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Diffstat (limited to 'gcc/ChangeLog.6')
| -rw-r--r-- | gcc/ChangeLog.6 | 8173 |
1 files changed, 8173 insertions, 0 deletions
diff --git a/gcc/ChangeLog.6 b/gcc/ChangeLog.6 new file mode 100644 index 00000000000..9bd9de01a5f --- /dev/null +++ b/gcc/ChangeLog.6 @@ -0,0 +1,8173 @@ + +Sat Oct 31 15:19:54 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * Version 2.3 released. + + * Makefile.in (install-libobjc): New target. + ($(srcdir)/gcc.dvi, $(srcdir)/cpp.dvi): New targets. + (extraclean): rm *diff, *lose, config/*lose. + (mostlyclean): rm config/core. + + * objc-actions.c (OBJC_SELECTORS_WITHOUT_LABELS): Define by default. + +Fri Oct 30 20:11:52 1992 James Van Artsdalen (james at bigtex.cactus.org) + + * i386.c (output_move_double): Undo 10/25 change. Handle case + where part of a dest reg is used in a src mem rtx, without using + stack. + +Fri Oct 30 18:52:57 1992 Michael Meissner (meissner@osf.org) + + * mips.h (MIPS_VERSION): Bump meissner version number to 28. + + * mips.md (addsi3, subsi3): Don't allow -32768 as the second + operand, the assembler complains if the instruction fills a delay + slot. + +Fri Oct 30 16:11:37 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * combine.c (simplify_shift_const): + For a subreg, require subreg_lowpart_p and not paradoxical. + + * Makefile.in (install-fixincludes): Ignore dirs that don't exist. + +Thu Oct 29 20:15:44 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * gvarargs.h, gstdarg.h [4.3 net 2]: If _VA_LIST_, is undefined + then va_list is already declared. + + * i386gas.h (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): + Override, if NO_UNDERSCORES. + +Thu Oct 29 17:30:52 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * flow.c (life_analysis): Mark FP live at end of function. + * reload1.c (reload): If FP was eliminated, remove it from + being live in any basic block. + + * varasm.c (output_constant_pool): Labels can be deleted by being + turned into NOTEs, not just have INSN_DELETED_P. + +Thu Oct 29 16:15:47 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * gstdarg.h: Use _ANSI_STDARG_H_, not _ANSI_STDARG_H. + + * gstddef.h [4.3 net 2]: If _SIZE_T_, etc. are undefined + then type is already declared. + + * m68k.c (print_operand_address) [MOTOROLA !SGS]: + Don't subtract 2 in the address displacement. + +Thu Oct 29 14:36:23 1992 Michael Meissner (meissner@osf.org) + + * libgcc2.c (__builtin_vec_new): #undef NULL before including + stdio.h to prevent redeclaration message. + (pyramid __enable_execute_stack): Ditto. + + * i386rose.h (YES_UNDERSCORES): Define. + (ASM_OUTPUT_LABELREF): Don't redefine. + + * mips.h (ASM_FINAL_SPEC): If cross compiling, don't invoke + mips-tfile by default. + + * decrose.h (ASM_FINAL_SPEC): If cross compiling, don't invoke + mips-tfile by default. + + * mips-tdump.c, mips-tfile.c: Handle the case where CROSS_COMPILE + is defined more gracefully. + +Thu Oct 29 12:10:16 1992 Tim Moore (moore at defmacro.cs.utah.edu) + + * combine.c (make_extraction): Fix paren error in if for INNER is reg. + +Thu Oct 29 13:49:03 1992 Jim Wilson (wilson@sphagnum.cygnus.com) + + * xm-mipsbsd.h: Really delete file. + +Thu Oct 29 02:48:28 1992 Tom Wood (wood@dg-rtp.dg.com) + + * dwarfout.c, arm.c, m88k.c: Include "assert.h" instead of <assert.h>. + +Thu Oct 29 00:43:00 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * gstddef.h [4.3 net 2]: Force inclusion of ansi.h. + Undef _SIZE_T_, _PTRDIFF_T_, _WCHAR_T_ at end. + + * Makefile.in (libgcc2.a, libgcc1.a): Use || to exit if cp fails. + (install-float-h-cross): Use fi, not done. + Write float.h in $(tmpdir), not in `.'. + (tmpdir): New variable. + + * i386gas.h (NO_UNDERSCORES): Test was backwards. + (SDB_DEBUGGING_OUTPUT): Defined. + +Wed Oct 28 16:33:34 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * gstdarg.h, gvarargs.h: + On Net 2 system, don't test, define or undef _VA_LIST_. + Use _ANSI_H_, __BSD_NET2__ and ____386BSD____ to test for this. + + * i386bsd.h (CPP_PREDEFINES): Add ____386BSD____. + + * c-decl.c (pushdecl): Allow redeclaring builtin as any sort of static. + + * Makefile.in (install-cross-tools): Fix typo. + (all.build): Dep on xgcc instead of $(GCC_PASSES). + +Wed Oct 28 15:25:42 1992 Tom Wood (wood@dg-rtp.dg.com) + + * m88k.c (print_operand): When AS_BUG_FLDCR is defined, use alternate + fldcr form. + * m88kdgux.h (AS_BUG_FLDCR): Define to accomodate 4.30 assembler bug. + + * m88kv3.h (CPP_PREDEFINES): Add -Dunix. + + * m88kdolph.h (SDB_ALLOW_FORWARD_REFERENCES): Don't override. + +Wed Oct 28 05:34:11 1992 Richard Kenner (kenner at vlsi1.ultra.nyu.edu) + + * reload1.c (gen_input_reload): In PLUS, if OP0 and OP1 are the + same, use RELOADREG when generating the addition. + + * reload.c (find_reloads_address): When copying memref after we've + made recursive calls on it, copy any replacements we made. + + * combine.c (can_combine_p): Don't substitute an expression + containing a register that will be clobbered in I3. + + * objc/core.c, objc/hash.c: Include tconfig.h, not config.h. + Include gstdarg.h. + * objc/object.m: Include tconfig.h, not config.h. + Include gstdarg.h before stdio.h. + * objc/objc.h: Don't include gstdarg.h here. + * objc/objc-proto.h (CLASS_LOCATION_SHIFT): Use HOST_BITS_PER_LONG, + not BITS_PER_WORD. + (setClassNumber, getClassNumber): `info' field is long, not int. + +Wed Oct 28 10:54:50 1992 Michael Meissner (meissner@osf.org) + + * libgcc2.c (L_caps_new): Properly close comment. + +Wed Oct 28 05:50:10 1992 Torbjorn Granlund (tege@hal.gnu.ai.mit.edu) + + * pa.md (mulsi): Input predicates back to srcsi_operands. + Don't handle constants specifically for TARGET_SNAKE, but call + force_reg to put them in registers. + (indexed addressing mode patterns): Remove the patterns with + unscaled index. Switch off patterns that never match. + + * longlong.h (file header): Add comment describing sdiv_qrnnd. + (__hppa sub_ddmmss): Swap input operands. + + * gcc.c (process_command): Check that we have enough arguments. + +Wed Oct 28 00:40:18 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * configure (i[34]86-*-sysv*): Take note of $stabs. + * i386gas.h (SDB_DEBUGGING_INFO): #undef deleted. + (DBX_DEBUGGING_INFO): Definition deleted. + * i386gstabs.h: New file. + + * Makefile.in (mostlyclean): Don't delete tmp-limits.h. + + * i386vgas.h: File deleted. + +Tue Oct 27 15:35:51 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * libgcc2.c: Include stdio.h. + [__GNU_LIBRARY__] (write): Defined. + + * Makefile.in (install-cross-tools): When handling $(tooldir)/include, + do all cd's starting from build directory. + + * i386gas.h (NO_UNDERSCORES): Don't define, if YES_UNDERSCORES. + * i386linux.h (YES_UNDERSCORES): Defined. + +Tue Oct 27 14:17:43 1992 Jim Wilson (wilson@sphagnum.cygnus.com) + + * configure (i[34]86-*-linux): Set broken_install. + * x-linux (INSTALL): Delete. + * x-iris (INSTALL): Delete. + +Tue Oct 27 13:39:22 1992 Tim Moore (moore@hal.gnu.ai.mit.edu) + + * pa.h (ASM_GLOBALIZE_LABEL): Give function symbols CODE type, + others DATA type. + +Mon Oct 26 16:40:43 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * c-typeck.c (build_c_cast): Don't warn about size change between + pointer and integer if the value is constant. + + * Makefile.in (libobjc.a): If ln fails, copy libobjc.a. + +Mon Oct 26 16:21:11 1992 Tim Moore (moore@defmacro.cs.utah.edu) + + * pa.h (EXPORT_PARMS, ASM_DECLARE_FUNCTION): Blow away usage of + EXPORT_PARMS. BUGGY_GAS isn't a problem any more. + (TEXT_SPACE_P, FUNCTION_NAME_P): New macros. + (ENCODE_SECTION_INFO): Use TEXT_SPACE_P. + (STRIP_NAME_ENCODING): Strip a '*' which might preceed a '@'. + (ASM_OUTPUT_EXTERNAL): Give only function labels a CODE type. + (ASM_OUTPUT_LABELREF): Use FUNCTION_NAME_P. + * pa.c (hppa_encode_label): Change function name encoding to + preserve leading '*' if there is one. + (function_label_operand): Use FUNCTION_NAME_P macro. + +Mon Oct 26 14:39:46 1992 Torbjorn Granlund (tege@hal.gnu.ai.mit.edu) + + From Tim Moore: + * function.c (locate_and_pad_parm): In ARGS_GROW_DOWNWARD case, + don't pad to argument alignment if where_pad is downward. + +Mon Oct 26 11:21:36 1992 Chris Smith (csmith@convex.com) + + * convex.h (SHIFT_COUNT_TRUNCATED): Undefine. + +Mon Oct 26 07:48:35 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * alpha.c (print_operand, new 'L'): New case. + * alpha.md (movhi/movqi patterns): For long constants, use 'i' + constraint instead of 'K'; use "%L1" in template. + + * configure (alpha): Set use_collect2. + +Mon Oct 26 04:19:24 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * xm-alpha.h: Declare calloc. + +Sun Oct 25 17:19:52 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * function.c (fixup_var_refs_insns): Don't call delete_insn if not -O. + Make a NOTE_INSN_DELETED instead. + +Sun Oct 25 11:57:04 1992 Chris Smith (csmith@convex.com) + + * convex.h (target_flags): prevent -mnoc2 from clearing + TARGET_INDIRECTS. + (TARGET_INDIRECTS): Always on. + +Sun Oct 25 16:56:18 1992 Richard Kenner (kenner at vlsi1.ultra.nyu.edu) + + * calls.c (expand_call): Don't call convert_to_mode if we obtained + VALUE in the proper mode; VALUE might be a CONST_INT. + +Sun Oct 25 03:18:03 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * expr.c (gen_push_operand): No longer static. + + * i386.c (output_move_double): Divert first word via the stack + if it's a register used in the input operand. + * i386.md (movdi): Delete the `&' from constraint. + +Sat Oct 24 21:41:00 1992 Chris Smith (csmith@convex.com) + + * convex.md (movstrictsi): Correct output constraint is + not =. + +Sat Oct 24 14:10:43 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * news.h (FUNCTION_EPILOGUE): Fix typos. + + * cccp.c (get_lintcmd): Length of `LINTLIBRARY' is 11. + +Sat Oct 24 13:22:09 1992 Torbjorn Granlund (tege@hal.gnu.ai.mit.edu) + + * arm.md (DImode patterns): Add `&' to target operand constraints. + + * Makefile.in (setting version variable): Prepend $(srcdir) to + version.c. + + From Wilson: + * longlong.h (sparclite): Use machine independent USItype instead + of explicit types. + +Sat Oct 24 10:35:18 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * rs6000.md (movdi): Tests were in wrong order. + + * rs6000.h (LEGITIMIZE_ADDRESS): Indexed addresses are not valid + for DImode and TImode; GO_IF_LEGITIMATE_ADDRESS knows this. + + * Makefile.in (mostlyclean): Add missing semicolon. + + * a29k.c (a29k_set_memflags, a29k_set_memflags_1): New functions. + * a29k.md (movqi, movhi, reload_{in,out}{qi,hi}): Use them. + + * alpha.c (get_aligned_mem): Copy memory flags to new MEM. + (alpha_set_memflags, alpha_set_memflags_1): New functions. + * alpha.md (movqi, movhi, reload_{in,out}{qi,hi}): Use new + functions. + + * alpha.h (ASM_FILE_START): Stop at blank in version string. + +Sat Oct 24 04:35:16 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * reload1.c (emit_reload_insns): If not -O, Don't try find_equiv_reg. + (choose_reload_regs): If not -O, don't inherit reloads. + +Fri Oct 23 18:07:10 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * news.h (FUNCTION_EPILOGUE): + If no frame ptr, increment stack ptr to free up the local space. + + * gcc.c (process_command): Discard after first space in spec_version. + + * print-tree.c (print_node): Always output `>' to match `<'. + + * Makefile.in (version): Use sed to extract. + Ignore excess after space. + (install-fixincludes): Fix typo in last change. + + * configure (i386-ibm-aix*): Use aix386ng.h if not --with-gas. + * aix386ng.h: New file. + +Fri Oct 23 15:14:49 1992 Brendan Kehoe (brendan@lisa.cygnus.com) + + * sdbout.c (sdbout_symbol): Return if a symbol's DECL_NAME is + empty, since we won't be able to make a symtab of it. + + * convex.h (P_tmpdir): Remove definition. + * xm-convex.h: Put it here. + +Fri Oct 23 10:27:34 1992 Michael Meissner (meissner@osf.org) + + * i386rose.h (ASM_OUTPUT_LABELREF): Define so that external + identifiers have leading underscores in front of them. + + * mips-tfile.c (parse_stabs_common): Allow stabs with line numbers + of 0. These come from g++ for compiler generated functions that + take arguments. + +Fri Oct 23 07:49:12 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * romp.c (output_fpops): Add SYMBOL_REF and LABEL_REF cases to + constants handled. + +Fri Oct 23 01:58:12 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * flow.c (find_basic_blocks): Check for LABEL_REF_NONLOCAL_P + in label_value_list. + * jump.c (mark_jump_label): Copy LABEL_REF_NONLOCAL_P from + LABEL_REF into REG_LABEL note. + + * toplev.c (push_float_handler): Declare arg old_handler. + + * t-next (OTHER_FIXINCLUDES_DIRS): Defined. + + * Makefile.in (OTHER_FIXINCLUDES_DIRS): New variable, normally empty. + (install-fixincludes): Run fixincludes on those dirs. + * fixincludes: Convert //-style comments to /*...*/ style. + + * loop.c (record_biv): Clear total_benefit field of new iv_class. + (get_condition): + Verify op 2 of source is label_ref before looking within. + +Thu Oct 22 21:17:53 1992 Tim Moore (moore at defmacro.cs.utah.edu) + + * varasm.c (STRIP_NAME_ENCODING): New macro to decode a symbol name + munged by ENCODE_SECTION_INFO. + (assemble_start_function, assemble_variable): Use STRIP_NAME_ENCODING. + * pa.h (STRIP_NAME_ENCODING): New definition. + +Thu Oct 22 17:53:37 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * Makefile.in (mostlyclean): Clean objc subdir only if it exists. + + * news.h (FUNCTION_PROLOGUE): Do allocate local stack space + when no frame pointer. + +Thu Oct 22 15:21:27 1992 Jim Wilson (wilson@wookumz.gnu.ai.mit.edu) + + * i960.h (FUNCTION_VALUE): Simplify, just return reg 0. + * i960.c (i960_function_value): Delete. + +Thu Oct 22 09:42:50 1992 Michael Meissner (meissner@osf.org) + + * mips-tfile.c (parse_stabs_common): Ignore stab line numbers + of 0, since the G++ front end generates them. Check whether + line numbers can fit within the index field, and if not report + an error. + + * mips.c (function_arg): Align passed structures to double word + boundary if structure has double word alignment. + + * mips.h (STACK_DYNAMIC_OFFSET): Do not define this macro in order + to work around a bug. + +Thu Oct 22 08:00:43 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * gstdarg.h, gvarargs.h: Treat _AIX and _M_UNIX like __svr4__. + + * i386gas.h (NO_UNDERSCORES): Defined. + + * next.h (INCLUDE_DEFAULTS): Put in GPLUSPLUS_INCLUDE_DIR, + GCC_INCLUDE_DIR, LOCAL_INCLUDE_DIR, STANDARD_INCLUDE_DIR. + Don't define at all if cross-compiling. + + * tree.c (copy_node): Copy the excess bytes--don't clear them. + +Thu Oct 22 06:40:55 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * a29k.h (TARGET_SWITCHES): Add missing complementary switches: + -mno-stack-check and -mstorem-bug. + + * a29k.md (long constant split): Use gen_lowpart instead of making + a SUBREG directly. + + * arm.h (STORE_FLAG_VALUE): Remove bogus definition. + +Thu Oct 22 03:04:28 1992 Tom Wood (wood@dg-rtp.dg.com) + + * m88k.c (prologue_marked): New variable. + (m88k_end_prologue): Output the epilogue mark here if the start of + the epilogue passed the end of the prologue. + (m88k_begin_epilogue): Don't output the epilogue mark if the end + of the prologue hasn't been processed yet. + +Thu Oct 22 03:20:40 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * function.c (put_var_into_stack): When we operate on a pseudo + that holds the address, use proper modes. + + * combine.c (make_extraction): Use is_mode, not inner_mode, + for BYTES_BIG_ENDIAN adjustment to offset for non-bitfield case. + Update is_mode when stripping subreg from around a mem. + + * m68k.h (GO_IF_INDEXABLE_BASE): Allow LABEL_REF only if jump table. + +Wed Oct 21 18:55:24 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * gstdarg.h: Check and define _ANSI_STDARG_H along with _STDARG_H. + +Wed Oct 21 11:41:39 1992 Tom Wood (wood at gen-rtx) + + * toplev.c (push_float_handler, pop_float_handler): New functions. + * fold-const.c (real_value_truncate): + Use them, in case another handler is already in effect. + +Wed Oct 21 22:08:31 1992 H.J. Lu (hlu@yardbird.eecs.wsu.edu) + + * Makefile (all.build): Add target $(GCC_PASSES) for xgcc. + * build-make (CC): Defined. + (CROSS_GCC_FLAGS): Deleted. + (HOST_CC): Delete -V option; CC supplies that. + +Wed Oct 21 12:34:39 1992 Torbjorn Granlund (tege@hal.gnu.ai.mit.edu) + + From Wilson: + * longlong.h (sparclite udiv_qrnnd): Remove comma before + __AND_CLOBBER_CC. + +Wed Oct 21 12:24:24 1992 Michael Meissner (meissner@osf.org) + + * decrose.h (WORD_SWITCH_TAKES_ARG): Add -pic-names. + (CC1_SPEC): If -pic-names, pass -mhalf-pic to cc1. + + * i386rose.h (WORD_SWITCH_TAKES_ARG): Add -pic-names. + (CC1_SPEC): If -pic-names, pass -mhalf-pic to cc1. + +Wed Oct 21 07:34:16 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * configure (alpha): Only accept OSF/1. + + * alpha.h (ASM_FILE_START): Change .verstamp ident for BL9. + * alpha.md (div/mod): Change calling sequence to agree with BL9. + + * expr.c (do_store_flag): Ensure we don't get confused when + emit_store_flag fails and an operand has a QUEUED. + +Wed Oct 21 02:53:58 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * cexp.y (integer_overflow): Do nothing unless pedantic. + +Tue Oct 20 17:02:15 1992 Jim Wilson (wilson@wookumz.gnu.ai.mit.edu) + + * README, sparc.h, flow.c, regs.h: Change global-alloc.c to global.c. + + * i960.md (call, call_value): Use 'd' not 'r' constraint for scratch. + + * gcc.c (WORD_SWITCH_TAKES_ARG): Handle -Ttext and -Tbss in + addition to -Tdata. + * i960.h (WORD_SWITCH_TAKES_ARG): Delete, now unnecessary. + * next.h (WORD_SWITCH_TAKES_ARG): Add -Tbss. + * sparc.h, sun2.h, sun3.h (WORD_SWITCH_TAKES_ARG): Add -Ttext and + -Tbss. + +Tue Oct 20 16:49:57 1992 Ron Guilmette (rfg at netcom.com) + + * dwarfout.c (dwarfout_file_scope_decl): Generate DIEs for + built-in non-fundamental types. + +Tue Oct 20 14:58:18 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * objc-actions.c (handle_impent, handle_class_ref): Use __ + to start the generated names, not period. + +Tue Oct 20 14:38:30 1992 Brendan Kehoe (brendan@mole.gnu.ai.mit.edu) + + * cp-method.c (fndecl_as_string): Undo change of Sep 14th for + emitting a space after the return type of a fn. + + Wed Oct 7 16:01:55 1992 Chip Salzenberg (chip@tct.com) + + * cp-lex.c (readescape): No warning if digits in \x are all 0's. + +Tue Oct 20 06:50:28 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expr.c (force_operand): Clarify comment to say what it can return. + * integrate.c (copy_rtx_and_substitute): Don't assume force_operand + on an address returns a REG; it might be a SUBREG. Use force_reg. + +Tue Oct 20 04:54:01 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * tree.c (make_node, copy_node): + Don't assume node length is multiple of int. + +Mon Oct 19 18:14:56 1992 Jim Wilson (wilson@sphagnum.cygnus.com) + + * genrecog.c (write_tree): For type SPLIT, check subroutine return + values for non-zero value not positive value. + +Mon Oct 19 16:11:04 1992 Michael Meissner (meissner@osf.org) + + * c-typeck.c (print_table, scan_table): Add support for XPG4's %S + and %C formats for printing/reading wide characters. %lc and %ls too. + +Mon Oct 19 17:58:18 1992 Torbjorn Granlund (tege@hal.gnu.ai.mit.edu) + + * arm.c (output_epilogue): Restore sp's value if no frame pointer. + + From Wilson: + * pa.h (WORD_SWITCH_TAKES_ARG): Delete sparc related cruft. + +Mon Oct 19 14:49:03 1992 Brendan Kehoe (brendan@rtl.cygnus.com) + + * cp-parse.y (primary): Don't try building a CALL_EXPR or + converting types if $$ is an error_mark. + +Mon Oct 19 14:01:02 1992 Tom Wood (wood@dg-rtp.dg.com) + + * m88k.h (SECONDARY_INPUT_RELOAD_CLASS): Require a temporary for a + pic address with a large constant term. + * m88k.md (reload_insi): New pattern. + (addsi3 pattern for large constants): Delete. Causes reload trouble. + * m88k.c (emit_move_sequence): Add scratch register. All callers + changed. + (legitimize_address): Add scratch register. All callers changed + to pass zero instead of gen_reg_rtx result. Allocate another temp + register for -fPIC case. Use scratch register for pic cases with + a large constant term. + + * m88k.h (FUNCTION_PROFILER_LENGTH, FUNCTION_BLOCK_PROFILER_LENGTH, + BLOCK_PROFILER_LENGTH, REG_PUSH_LENGTH, REG_POP_LENGTH): Added. + (ADJUST_INSN_LENGTH): Account for profiling code. + +Mon Oct 19 16:46:52 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * Makefile.in (libobjc.a): Don't mkdir objc if dir exists. + + * expr.c (store_field): If trying to sign-extend a constant, + use value_mode as the mode. + +Mon Oct 19 10:59:20 1992 Michael Meissner (meissner@osf.org) + + * xm-umips.h (index): Define to be strchr. + (rindex): Define to be strrchr. + + * mips-tdump.c (index, rindex): Undefine these, since the MIPS + include files have a field spelled index. + +Mon Oct 19 03:34:04 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * Makefile.in (mostlyclean): Delete libobjc.a. + (libobjc.a): Create the objc subdir. + +Sun Oct 18 17:52:05 1992 Arne H. Juul (arnej@lise.unit.no) + + * objc/Makefile: Add .SUFFIXES .m and .m.o rule to keep non-GNU + make happy. + + * Makefile.in (libobjc.a): Remove libobjc.a in current directory + before attempting to hardlink it or make will fail in later stages. + (sublibobcj.a): Don't use $(MAKEFLAGS) for objc subdir stuff. + +Sun Oct 18 06:00:27 1992 Richard Kenner (kenner at vlsi1.ultra.nyu.edu) + + * cse.c (canon_reg): Don't call validate_change if INSN is zero. + +Sun Oct 18 01:09:02 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * i860.h (PRINT_OPERAND): For `h', always use OPERAND_HIGH_ADJ_PART + even for integer constant addresses. + + * final.c (output_addr_const): Always use FILE, not asm_out_file. + + * cccp.c (collect_expansion): Don't add whitespace at end + if inside a string and not traditional. + (rescan): At end of string, if inside macro, always keep scanning. + + * expr.c (store_field): If signed bitfield and want value, sign extend. + +Sat Oct 17 21:11:09 1992 H.J. Lu (hlu@yardbird.eecs.wsu.edu) + + * Makefile.in (all.build): New rule for making gcc with a + cross-compiler. + (install.build): New target. + (line 271): Add `####build overrides'. + (gen*.o): Depend on hconfig.h, not config.h. + ($(HOST_PREFIX_1)rtl.o, $(HOST_PREFIX_1)print-rtl.o, + $(HOST_PREFIX_1)rtlanal.o, $(HOST_PREFIX_1)obstack.o, + $(HOST_PREFIX_1)malloc.o): Add final `h' to the regexp to replace. + + * configure: If $host == $taget, but $host != $build, merge + `build-make' and emit `build = $build'. + * build-make: New file for making gcc with a cross-compiler. + +Sat Oct 17 19:24:31 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * c-typeck.c (process_init_constructor): When initializing a union, + handle the case of an empty init list. + + * reload.c (find_reloads_address): Redo last change: copy the mem + in the same way it's usually done. + + * Makefile.in (gcc.xtar): Fix typo in last change. + (mostlyclean): Don't use $(MAKEFLAGS) for objc subdir stuff. + +Sat Oct 17 19:15:16 1992 John Wroclawski (jtw@pmws.lcs.mit.edu) + + * decstatn.h (SIZE_TYPE): Fix typo. + +Sat Oct 17 17:46:08 1992 Brendan Kehoe (brendan@mole.gnu.ai.mit.edu) + + * cp-method.c: Don't try to include string.h or strings.h. + * cp-decl.c: Ditto. + +Sat Oct 17 13:50:49 1992 Fred Fish (fnf@fishpond.cygnus.com) + + * fixinc.svr4 (string.h): + Remove #defines for other compiler's builtin functions. + +Sat Oct 17 00:39:30 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * protoize.c: Add #undef getopt after getopt.h. + + * gstdarg.h, gvarargs.h (va_list) [__SVR4_2__]: + Don't set or test _VA_LIST. + + * gstddef.h: Do nothing if _ANSI_STDDEF_H already defined. + +Fri Oct 16 11:39:06 1992 H.J. Lu (hlu@yardbird.eecs.wsu.edu) + + * emit-rtl.c (gen_lowpart_common): Fix typo in last change. + +Fri Oct 16 22:35:15 1992 Eric Youngdale (youngdale@v6550d.nrl.navy.mil) + + * make-cc1.com: Correct previous patch. + +Fri Oct 16 20:07:12 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * objc-actions.c (start_class): + For an INTERFACE_TYPE, push to permanent obstack. + (build_message_expr): Use TYPE_MAIN_VARIANT when comparing types. + + * Makefile.in (libobjc.a): Don't use $(MAKEFLAGS). + Add braces around shell variable references. + (collect2): Delete file before linking it. + * objc/Makefile (all): Don't use $(MAKEFLAGS). + (VPATH): Get rid of ../ since srcdir now absolute. + +Fri Oct 16 14:23:25 1992 Michael Meissner (meissner@osf.org) + + * decstatn.h (all defines): Protect all defines with an #ifndef, + to allow dec-osf1.h to selectively override macros. + +Fri Oct 16 10:44:47 1992 Tom Wood (wood@dg-rtp.dg.com) + + * Makefile.in (libobjc.a): Compute srcdir1 without changing + directories. Use srcdir1 to locate objc/Makefile. Put quotes + around all potential multi-word values. Recompute GCC_FOR_TARGET. + (sublibobjc.a): Use same text as libobjc.a. + (mostlyclean): Use $(MAKE) and srcdir1 for objc action. + * objc/Makefile (SUBDIR_INCLUDES): Don't use ../$(srcdir). + (all): Use $(MAKE). + +Fri Oct 16 04:16:36 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * function.c (find_fixup_replacement): Renamed from find_replacement. + + * varasm.c (output_addressed_constants): Handle NON_LVALUE_EXPR. + +Fri Oct 16 02:25:17 1992 Jeffrey A. Law (law@schirf.cs.utah.edu) + + * pa.md (call define_expands): If TARGET_LONG_CALLS, then force + the address of the function into a register. + * pa.h (TARGET_SWITCHES): New switch "-mlong-calls". + * pa.c (call_operand_address): Only allow registers if + TARGET_LONG_CALLS. + +Fri Oct 16 00:21:57 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * Makefile.in (libobjc.a): Get directories right, using shell vars + thisdir1, srcdir1. Put quotes around $(GCC_CFLAGS). Use $(MAKE). + +Thu Oct 15 17:07:18 1992 Mike Stump (mrs@hal.gnu.ai.mit.edu) + + * configure, config.sub, config/elxsi.{c,h,md}, config/xm-elxsi.h, + config/x-elxsi: Add support for new 64 bit CPU, called Elxsi. + +Thu Oct 15 16:55:22 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * alpha.c (alpha_builtin_saveregs): Fix bug in last change. + + * fold-const.c (distribute_bit_expr): Test for BIT_{AND,IOR}_EXPR. + + * cse.c (cse_insn): Add missing call to apply_change_group. + +Thu Oct 15 15:09:45 1992 Michael Meissner (meissner@osf.org) + + * t-mips (CCLIBFLAGS, LIBGCC2_CFLAGS): Delete, so that libgcc.a is + built with the -G 8 option, instead of -G 0, so that the linker + doesn't complain when linking in libg++.a. + * t-decstatn (CCLIBFLAGS, LIBGCC2_CFLAGS): Ditto. + +Thu Oct 15 14:30:25 1992 Jim Wilson (wilson@sphagnum.cygnus.com) + + * mips-tfile.c (parse_def): Allow spaces in arguments for C++. + Correct test for null when searching for end of name. + +Thu Oct 15 11:55:51 1992 Tim Moore (moore@defmacro.cs.utah.edu) + + * pa.c (compute_frame_size): Take an fregs_live parameter instead + of setting the static variable save_fregs. + (output_function_prologue): Initialize save_fregs to 0 and pass to + compute_frame_size. + * pa.h (INITIAL_FRAME_POINTER_OFFSET): Pass extra null parameter + to compute_frame_size. + +Thu Oct 15 08:40:07 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * alpha.h (TARGET_FPREGS): New flag. + (TARGET_SWITCHES): Remove temporary -mfp and add -msoft-float and + -mfp-regs. + (TARGET_DEFAULT): Set to -mfp-regs -mno-soft-float. + (CONDITIONAL_REGISTER_USAGE): Use TARGET_FPREGS. + (FUNCTION_VALUE, FUNCTION_ARG, LIBCALL_VALUE): Use integer registers + for FP items if -mno-fp-regs. + * alpha.c (alpha_builtin_saveregs): Store integer regs twice instead + of storing the FP regs if -mno-fp-regs. + + * fold-const.c (fold): Add missing test in case when we + distribute a NOP_EXPR into a COND_EXPR and try to pull it back + out again. + +Thu Oct 15 08:11:00 1992 Tom Wood (wood@dg-rtp.dg.com) + + * fold-const.c (simple_operand_p): Don't regard global or static + variables as simple. + (fold_truthop): Only require the RHS to be simple. + + * m88k.h (CPP_SPEC): Add -D__m88110__ when -m88110 is in effect, + similarly for -m88100. + * m88kdgux.h (CPP_SPEC): Ditto. + * m88kluna.h (CPP_PREDEFINES): Drop -Dmc88100. + (CPP_SPEC): Reproduce the predefine -Dmc88100 when -m88100 is in + effect. Otherwise, supply -D__mc881x0__ when -m881x0 is in effect. + +Thu Oct 15 02:09:49 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * expr.c (get_inner_reference): + If flag_volatile, treat every INDIRECT_REF as volatile. + + * collect2.c (main): If COLLECT_GCC is a relative name, use it anyway. + + * x-next: New file. + * configure (m68k-next-*): Use that. + + * Changes from NeXT: + + * libgcc2.c [L_ctors] (__CTOR_LIST__, __DTOR_LIST__): + Initialize these default definitions if __NeXT__. + + * gvarargs.h [__NeXT__]: Define _VA_LIST_ if _ANSI_STDARG_H_ was + defined; then define _ANSI_STDARG_H_. + + * gstddef.h (_ANSI_STDDEF_H): Define, along with _STDDEF_H. + + * next.h (INCLUDE_DEFAULTS): New macro. + + * cp-method.c (index, rindex): Delete declarations. + (build_overload_value): Cast result of index. + + * cccp.c (cplusplus_comments): New var. + (main): Set it according to options. + (rescan, handle_directive, skip_if_group, validate_else): + (skip_to_end_of_comment, macarg1, discard_comments): + Use cplusplus_comments to enable C++ comment syntax. + +Wed Oct 14 11:34:58 1992 Chip Salzenberg (chip@tct.com) + + * libgcc2.c (__gcc_bcmp): Don't depend on signedness of `char'. + +Wed Oct 14 18:52:28 1992 Jim Wilson (wilson@wookumz.gnu.ai.mit.edu) + + * sched.c (sched_note_set): Set subreg_p for anything except a + paradoxical subreg. + + * configure (sparc-*-solaris2): Use xm-spc-sol2.h not xm-spcv4.h. + + * reload.c (find_reloads): Don't let an operand have a numbered + constraint that makes it match itself. + +Wed Oct 14 10:38:31 1992 Tim Moore (moore@defmacro.cs.utah.edu) + + * pa.md (sCC patterns): Comparison operator should have SImode, + not CCmode. + (indexed addressing mode patterns): New patterns to use indexed + addressing if possible. + * pa.c (output_and): Do handle (const_int 0) as an operand; it + seems to occur in unoptimized compilation. + * pa.h (REGNO_OK_FOR_FP_P): Logic bug. + * va-pa.h : When __GNUC__ == 1, don't include the gcc 1 varargs + file (va-hp9k8.h). Instead, the definitions are explicitly defined + here. This avoids multiple typedefs of va_list. + * xm-pa.h (HAVE_VPRINTF) Define in HPUX 8.0. + + * pa.md (mulsi): Use the hardware multiply instruction, xmpyu, if + TARGET_SNAKE. + (umulsidi3): New pattern. + (reload_insi, reload_outsi, reload_indi, reload_outdi): New + patterns. These are needed because SImode and DImode pseudoregs + may be allocated (or reloaded) in floating point registers for + multiplication. That means that their addresses, which were + legitimate for SImode and DImode, aren't valid any more. + (movsi, movhi, movqi, movdf, movdi, movsf): Pass null scratch + operand to emit_move_sequence. + (fp SImode load and store patterns): Move before main movsi + pattern. + (fp DImode load and store patterns) New patterns. + (movhi, movqi patterns): Support moves to/from fp registers. + (movdf pattern): Ensure at least one operand is a register. + * pa.c (emit_move_sequence): Take reload scratch register + argument, deal with reloads of SImode and DImode mems into + floating point registers, handle function_label_operand moves. + (secondary_reload_class): A scratch register is needed if + reloading a function_label_operand address (probably doesn't + happen) or an SImode or DImode value into/out of a floating + point register. + * pa.h (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, + REG_CLASS_FROM_LETTER): Define a new register class + FP_OR_SNAKE_FP_REGS, used only be reload_{in,out}{si,di}. + (HARD_REGNO_MODE_OK): Allow all integer modes in Snake floating + point registers. QImode and HImode pseudoregs may end up there + when using xmpyu. + + * pa.md (pic symbolic address pattern): New pattern. + (movsi, movdi patterns): Remove some * constraints from fp registers. + (pic label address pattern): Fix typo. + (function_label_operand patterns): New patterns for loading a + label address in HPUX 8.0. + * pa.c (finalize_pic): No real initialization is necessary for pic. + (output_function_prologue): Save r19, the pic offset table + register. If profiling, save and restore the structure value + return register (r28) around the call to mcount. + (hppa_encode_label, function_label_operand): New functions. + Record if a label is a code label so it can be treated specially + in HPUX 8.0. + * pa.h (TARGET_SHARED_LIBS): New flag. Generate code that can be + linked with HPUX 8.0 shared libraries. + (TARGET_SWITCHES): New flags: -mshared-libs and -mno-shared-libs. + (PIC_OFFSET_TABLE_REGNUM): This is really r19. The preliminary + docs from HP were wrong. + (ASM_DECLARE_FUNCTION_NAME): Specify "ENTRY" param in .EXPORT + directive. + (ENCODE_SECTION_INFO): Encode function labels. + (ASM_OUTPUT_LABELREF): Deal with function labels. + (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Don't do anything for + now; their only use (saving stuff during profiling) interacts in a + wierd way with required assembler directives at the start of a + function. Instead, do the save and restore in the function + prologue. + (hppa_encode_label): Declare. + * pa-hpux.h, pa-ghpux.h (TARGET_DEFAULT): Link against shared + libraries. + (LINK_SPEC): Don't link against shared libraries if debugging or + profiling. + * pa1-hpux.h, pa1-ghpux,h (TARGET_DEFAULT): Link against shared + libraries. + +Wed Oct 14 10:17:49 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * Makefile.in (gcc.xtar): Copy the objc subdir. + (mostlyclean): Run the mostlyclean target in the objc subdir. + (objc-runtime, libobjc.a, sublibobjc.a): New targets. + (objc, objective-c): Dep on objc-runtime. + + * objc/*: New files. + +Wed Oct 14 07:17:19 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * alpha.md (smax, smin): Fix typo in output strings. + + * a29k.c (const_16_operand, const_24_operand): Fix typo in declaration + of MODE. + (gpc_reg_or_immediate_operand, and_operand, add_operand): Likwise. + +Wed Oct 14 00:12:16 1992 Jeffrey A. Law (law@schirf.cs.utah.edu) + + * pa.h (RTX_COST): Fix spacing typo. + +Tue Oct 13 21:51:05 1992 Jim Wilson (wilson@sphagnum.cygnus.com) + + * a29k.md (call, call_value): Don't use call_operand, since + checking for recursive calls at this point is not safe. + +Tue Oct 13 18:52:17 1992 Brendan Kehoe (brendan@rtl.cygnus.com) + + * cp-type2.c (my_friendly_abort): Tell them to write to bug-g++. + +Tue Oct 13 18:16:12 1992 Chris Smith (csmith@convex.com) + + * convex.h (P_tmpdir): define to use /tmp. + (RETURN_POPS_ARGS): correct definition to return size. + (ASM_IDENTIFY_GCC): output something between gcc2_compiled and + first function to keep gcc2_compiled out of assembler stabs. + + * convex.md (adddi3, ordi3, xordi3): check sign of CONST_INT + operands before using as immediates; these insns are word only. + (ashrdi3): don't use negative shift counts. + + * convex*.h (CPP_SPEC): define __NO_INLINE_STDLIB + + * xm-convex.h: remove temporary workaround from OS 8.0. + +Tue Oct 13 14:10:15 1992 Jim Wilson (wilson@sphagnum.cygnus.com) + + * cp-lex.c (check_newline): Verify that main_input_filename is + valid before using it. + +Tue Oct 13 19:08:54 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * a29k.c: Now includes reload.h. + (spec_reg_operand): Validate mode and know that some regs support + MODE_PARTIAL_INT and some MODE_INT. + (call_operand, reload_memory_operand, a29k_get_reloaded_address) + New functions. + (in_operand): Allow constants with MODE_PARTIAL_INT. + (out_operand): Allow special registers with any mode. + Any MEM a word or wider is valid. + (extend_operator): Deleted. + (secondary_reload_class): A pseudo is the same as memory; we need + BP_REGS for multi-word memory or for bytes and halfword if -mndw. + (print_operand): Delete %X; add %m. + (print_operand, case 'F'): Check for SYMBOL_REF. + * a29k.h (PROMOTE_MODE, ADJUST_COST): New macros. + (CALL_USED_REGISTERS): LR0 is call-used. + (HARD_REGNO_MODE_OK): Handle MODE_PARTIAL_INT and the special + registers that can only hold those modes. + (MODES_TIEABLE_P): Clean up and handle MODE_PARTIAL_INT modes. + (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Add new + classes LR0_REGS, FC_REGS, and CR_REGS. + (REGNO_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise. + (PREDICATE_CODES): Update for new and deleted predicates. + * a29k.md: Use GEN_INT when appropriate. + (define_attr type): New types for SQRT. + (call patterns): Use SCRATCH for LR0. + Use new predicate call_operand so that some integers can be + used as addresses; fix CALLI so it doesn't accept constant. + (EXBYTE, EXTHW, INBYTE, INHW): Use ZERO_EXTEND instead of AND + when combine will make it. + Use PSImode for BP value and don't reference BP explicitly. + Clean up define_expands for these operations. + (rotlsi3): Use PSImode pseudo for FC. + (sign_extend): Sign extension insns clobber BP. + ({load,store}_multiple): Use PSImode pseudo for CR. + (MTSR): Add pattern for TRUNCATE from SImode to PSImode. + (sqrtsf2, sqrtdf2, movpsi): New patterns. + (load/store bytes/halfword): Clean up to accept temporaries as + input and use PSImode when required. + (movhi, movqi): Allocate temporaries here. + (reload_inqi, reload_outqi, reload_inhi, reload_outhi): New + patterns. + (movdf, movdi, movti): Use SCRATCH for BP register. + (reload_{in,out}{df,di,ti}): New patterns. + +Tue Oct 13 16:52:33 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * fixinc.svr4 (sys/stream.h, sys/strsubr.h): Delete spurious `extern' + in various structure definitions. + + * rtlanal.c (single_set): Fix typo in REG_UNUSED check. + + * cse.c (simplify_binary_operation): Insure that folded >> extends + the sign even if the host bootstrap compiler doesn't. + + * final.c (output_asm_insn): Advance over the = when processing %=. + + * fixincludes (stdio.h): Fix va_list when preceeded by a *. + +Tue Oct 13 14:52:57 1992 Brendan Kehoe (brendan@mole.gnu.ai.mit.edu) + + * spc-sol2.h (STARTFILE_SPEC): Add crtbegin.o. + (LIB_SPEC): Add crtend.o for running ctors/dtors. + * t-sol2 (EXTRA_PARTS): Add crtbegin.o and crtend.o for C++. + (FIXINCLUDES): Deleted. + * configure (sparc-*-solaris2*): Set fixincludes here. + +Tue Oct 13 20:15:45 1992 Eric Youngdale (youngdale@v6550d.nrl.navy.mil) + + * make-cc1.com: Simplify extraction of YYEMPTY from cp-parse.c. + Generate c-parse.y, objc-parse.y from c-parse.in if required. + Pat Rankin did some of this. + +Tue Oct 13 14:06:45 1992 Jim Wilson (wilson@wookumz.gnu.ai.mit.edu) + + * sparc.md (in_branch_delay): Allow fpload and fpstore. + + * collect2.c (main): Only install a signal handler for signals + that already have handlers. + (fork_execute): Don't ignore signals before calling do_wait. + + * i960.md: Change 'f' constraint for dest to '*f' if it is not the + only alternative. Add '*f' dest constraints to all patterns where + it is valid but was previously missing. + + * i960.h (OVERRIDE_OPTIONS): Enable function inlining. + * i960.c (g14_save_reg): Delete variable. + (i960_output_call_insn): Add two new parameters arg_pointer and + scratch_reg. Save/set/restore g14 if necessary. + (i960_expand_call): Delete function. + * i960.md (call, call_value): No longer call i960_expand_call, + instead call call_internal/call_value_internal pattern. + (call_internal, call_value_internal): Rewrite patterns to pass new + args to i960_output_call_insn. + + * sparc.md (movstrsi+1): Add `+' to constraints for clobbered inputs. + + * i960.c (i960_output_call_insn): Emit bx instead of b, callx + instead of callj. + + * sparc.c (sparc_frw_output_function_prologue): Frame pointer base + must be same as for regular sparc code. + +Tue Oct 13 06:02:03 1992 Tom Wood (wood@dg-rtp.dg.com) + + * loop.c (loop_optimize): Verify that max_uid_for_loop is still + larger than the uid of any insn. Increase the number of exit + blocks from 4 to 32 per loop. + (find_and_verify_loops): Stop trying to relocate exit blocks when + allocating a new label would exceed max_uid_for_loop. + + * combine.c (subst): Don't change a conditional branch into a + conditional move. + + * m88k.md (ext shift patterns): No longer needed. + + * m88k.c (mostly_false_jump): Recognize a sequence properly. + +Mon Oct 12 22:31:37 1992 Jeffrey A. Law (law@schirf.cs.utah.edu) + + * pa.h (LEGITIMIZE_ADDRESS): Fix typo. + +Tue Oct 13 00:14:09 1992 H Lu (hlu@eecs.wsu.edu) + + * Makefile.in (install-common): Put - on cmd that handles protoize. + (gcc.o, cccp.o): Define TOOLDIR for the compilation. + (all HOST_PREFIX_1 targets): Fix typos. + + * x-linux (cpp.a, linux.a, cc1.a, cc1plus.a, gcc.a): Targets deleted. + (LD, ALIBS, STANDARD_STARTFILE_PREFIX, GPLUSPLUS_INCLUDE_DIR): + Vars deleted. + + * i386linux.h: Delete NO_JUMPTABLE conditional and contents. + (GPLUSPLUS_INCLUDE_DIR): Defined. + (STARTFILE_SPEC): Changed. + + * gen*.c: Include hconfig.h, not config.h. + +Mon Oct 12 16:25:22 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * configure.bat, vmsconfig.com: Make hconfig.h. + + * vax.h (PRINT_OPERAND): Detect `double' constants by DFmode, + since VOIDmode means an integer. + + * mips.h (DEBUG_REGISTER_NAMES): New macro definition. + * print-rtl.c (reg_names): + Make it static. Use DEBUG_REGISTER_NAMES if that's defined. + * regclass.c (reg_names): Reinstate the definition here. + + * fixinc.svr4: Delete excess fi in fixing stat.h. + +Mon Oct 12 08:10:37 1992 James Van Artsdalen (jrv@goldman.gnu.ai.mit.edu) + + * Makefile.in (install-fixincludes): Only delete an existing + syslimits.h if we install limits.h over it. + + * i386.h (PRINT_REG): Undo Oct 11 change. + (DEBUG_PRINT_REG): New macro, used from print-rtl.c. + + * conditions.h (CC_NOT_SIGNED): New macro. + * final.c (alter_cond): If CC_NOT_SIGNED, convert signed + conditions to unsigned. + + * i386.md (cmpstrM patterns): Compare strings of unsigned chars, + not strings of signed chars. + +Mon Oct 12 06:31:13 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * combine.c (try_combine): Save DEST of NI2PAT before calling + recog_for_combine, which might make it a PARALLEL. + + * emit-rtl.c (gen_lowpart_common): Allow MODE_PARTIAL_INT where + MODE_INT is allowed. + + * combine.c (try_combine): Properly call single_set when validating + the result of a define_split. + +Mon Oct 12 00:24:29 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * calls.c (calls_alloca): Don't look within DECL_INITIAL if it's 0. + + * varasm.c (simplify_subtraction): New function. + * rtl.h (simplify_subtraction): Declared. + * final.c (output_addr_const): Call it. + + * print-rtl.c (DEBUG_PRINT_REG): Renamed from PRINT_REG. + (print_rtx): Use DEBUG_PRINT_REG. + +Sun Oct 11 16:27:53 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu.edu) + + * genrecog.c (merge_trees): When splitting, remember to clear DUPNO + in addition to the other things we can test. + + * recog.c (general_operand, immediate_operand, const_double_operand): + Allow CONST_INT with MODE_PARTIAL_INT. + (nonmemory_operand): Likewise. + +Sun Oct 11 07:53:39 1992 James Van Artsdalen (james at bigtex.cactus.org) + + * xm-i38v4.h,xm-aix386.h (USE_C_ALLOCA): New macro. Define if not + using GNU C's builtin alloca. + + * i386.c (notice_update_cc): Only set CC_IN_80387 for float compares. + + * i386.h (PRINT_REG): Make register name arrays static within this + macro. + +Sun Oct 11 01:41:06 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * jump.c (jump_optimize): Don't optimize jumps to store-flag insns + when BLKmode values are being compared. + +Sat Oct 10 16:51:08 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * print-rtl.c (print_rtx): Print hard reg name as well as number. + (PRINT_REG): New macro with default definition. + (reg_name): Moved here. + * regclass.c (reg_name): Deleted. + +Sat Oct 10 02:27:14 1992 James Van Artsdalen (james at bigtex.cactus.org) + + * i386sco.h (TARGET_DEFAULT): New macro - don't make TARGET_IEEE_FP + default for SCO. + +Sat Oct 10 04:52:06 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * function.h (struct function): New fields const_rtx_hash_table, + const_rtx_sym_hash_table, first_pool, last_pool, pool_offset. + * function.c (pop_function_context, push_function_context): + Call {save,restore}_varasm_status. + * varasm.c: Include function.h. + (restore_varasm_status, save_varasm_status): New fns. + (init_const_rtx_hash_table): Allocate the hash tables in obstack. + (force_const_mem): Don't use CONST_DOUBLE_MEM for nested fns. + (clear_const_double_mem): Do nothing for nested fns. + * Makefile.in (varasm.o): Dep on function.h. + +Fri Oct 9 18:16:18 1992 Brendan Kehoe (brendan@mole.gnu.ai.mit.edu) + + * cp-decl.c (duplicate_decls): Only find out if olddecl is a + friend after we know it's not a TREE_LIST. + +Fri Oct 9 18:10:19 1992 Jim Wilson (wilson@geech.gnu.ai.mit.edu) + + * sparc.c (sparc_type_code): Return reasonable result for COMPLEX_TYPE. + +Fri Oct 9 14:33:26 1992 Tom Wood (wood@dg-rtp.dg.com) + + * reorg.c (start_of_epilogue_needs): New variable. + (mark_target_live_regs): Add in start_of_epilogue_needs when + NOTE_INSN_EPILOGUE_BEG is scanned. + (dbr_schedule): Compute start_of_epilogue_needs and update + end_of_function_needs to include sets by all instructions + following NOTE_INSN_EPILOGUE_BEG. + + * m88k.md (return): Always available once reload has completed. + (epilogue): Use a return insn rather than an indirect jump. + +Fri Oct 9 12:36:54 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * spc-sol2.h (DBX_DEBUGGING_INFO): Defined. + + * function.c (aggregate_value_p): Return 1 if regs we would use + are not all call-clobbered. + + * stmt.c (POPSTACK): Pop discarded elts off all the stacks as we go. + +Fri Oct 9 07:30:14 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * reorg.c (mark_target_live_regs): Fix bug in last change. + + * combine.c (subst, case SUBREG): Don't make a new REG for + stack, frame, or arg pointer. + * emit-rtl.c (gen_lowpart_common, gen_highpart, operand_subword): + Likewise. + + * local-alloc.c (optimize_reg_copy_1): Tighten up code to properly + handle the case when SRC or DEST is a multi-word hard register + and only some parts of the register are set or used. Also, avoid + updating register status for DEST if we can't do the optimization. + + * jump.c (jump_optimize): Only use a REG as a target. + + * alpha.c (alpha_builtin_saveregs): Don't use value of NREGS greater + than 6 when computing ARGSIZE. + + * va-alpha.h (va_arg): Put parens around all uses of __VA arg. + +Thu Oct 8 18:45:00 1992 Arne H. Juul (arnej@lise.unit.no) + + * Makefile.in (install-common-headers): added missing 'then' + +Thu Oct 8 15:52:22 1992 Michael Meissner (meissner@osf.org) + + * mips.h (SELECT_RTX_SECTION): Rename macro from obsolete name + SELECT_SECTION_MODE. + + * i386rose.h (whole file): Remove #ifdef before #undef of macros. + (LEGITIMATE_CONSTANT_P): Define, so that when half-pic is on, + half-pic addresses are not considered legitimate. + (SELECT_RTX_SECTION): If putting a half-pic pointer that is + loaded, put the pointer into the data section, rather than the + readonly_data_section. + (SELECT_SECTION): Define. + (ASM_OUTPUT_DOUBLE): If not cross compiling, emit double as two + longs, otherwise emit .double directive. + (ASM_OUTPUT_FLOAT): If not cross compiling, emit float as long, + otherwise emit .float directive. + (perform_fixdfsi): Copy arg to memory variable. + (SIZE_TYPE): Define to be long unsigned int. + (PTRDIFF_TYPE): Define to be int. + (WCHAR_TYPE)L: Define to be unsigned int. + + * i386.md (movsi): Remove obsolete half-pic code. + (call insns): For half-pic insns, force address into register. + +Thu Oct 8 14:22:05 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * Makefile.in (install-common-headers): Fix dir in chmods for assert.h. + + * va-i860.h (__savereg, va_arg): Put uses of __va in parens. + + * vax.h (PRINT_OPERAND): Define new code, D. + * vax.md (movdi): Use D code for operand 1. + +Thu Oct 8 13:23:25 1992 Jeffrey A. Law (law@mole.gnu.ai.mit.edu) + + * pa.md (fp_alu function unit, case fpcc): Fpcc instructions use + the fpalu unit. In the most common case their result will be used + in a ftest instruction. Minimum distance between the fcmp and + ftest instruction is 4. + +Thu Oct 8 06:41:15 1992 Tom Wood (wood@dg-rtp.dg.com) + + * function.c (assign_parms): Provide a safe value for + DECL_INCOMING_RTL in case of syntax errors. + + * dwarfout.c (dwarfout_init, dwarfout_finish): Don't output labels + or .debug_aranges entries for .data1 and .rodata1 as these + sections aren't currently used. + +Thu Oct 8 04:44:17 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * reorg.c (mark_target_live_regs): Look at USE insns made by + update_block when scanning forward past target. + (mark_target_live_regs, dbr_schedule): Use GET_RTX_CLASS. + + * cse.c (PATHLENGH): Change from 20 to 10 to speed up compilations. + +Thu Oct 8 03:07:33 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * fold-const.c (invert_truthvalue): Never alter ARG. + + * Makefile.in (TAGS): Exclude =*.[chy] from tags table. + + * c-lex.c (yylex): For floats, use REAL_VALUES_LESS to distinguish + underflow from overflow. Delete special case for 0.0. + +Wed Oct 7 16:25:19 1992 Tom Wood (wood@dg-rtp.dg.com) + + * dwarfout.c (dwarfout_{begin,end}_function): New functions. + (body_{begin,end}_attribute): New functions. + (dwarf_attr_name): Print AT_body_begin and AT_body_end. + (output_{local,global}_subroutine_die): Output the new attributes. + * dwarf.h (enum dwarf_attribute): Add At_body_begin and AT_body_end. + * final.c (final_scan_insn): Call dwarfout_begin_function. + (final_end_function): Call dwarfout_end_function. + + * m88k.h (FASTEST_ALIGNMENT): Define as 8 for -m88110 otherwise 4. + (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Base on FASTEST_ALIGNMENT. + * m88k.md (movstrsi): No predicate is needed for the source or + destination. + * m88k.c (best_from_align): Add a target processor dimension for + -m88000, -m88110, and -m88100. + (expand_block_move): Choose method and limits based on -m88xxx option. + (block_move_no_loop): Extend to allow DImode. + * m88k-move.sh: Add the modules moveDI96x and moveDI41x through + moveDI47x. + * t-m88k, t-m88kluna, t-m88ksvr4: New modules added to MOVE_ASM. + + * m88k.c (output_call): Use different syntax for GAS. + + * m88k.h (READONLY_DATA_SECTION): Don't override svr4.h + (ASM_OUTPUT_CASE_LABEL): For svr4, use .rodata. + +Wed Oct 7 15:47:19 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * configure (i486-ncr-sysv4): Use i386v4.h. + (i386-*-sysv4, i386-*-linux, i386-*-sysv): Handle 486 too. + (i486-*-sysv4, i486-*-linux): Deleted. + * i486v4.h, i486linux.h: Files deleted. + +Wed Oct 7 12:40:00 PDT 1992 Ron Guilmette (rfg at netcom.com) + + * populate (progname): Just the basename of $0 please. + (target_dir): Use abs_target_dir and rel_target_dir for clarity. + (source_dir): Use abs_source_dir and rel_source_dir for clarity. + (*): List input and output dirs on startup. + (*): Don't be so verbose; Don't echo names of output dirs/files as + they are created. + + * fixinc.svr4 (<sys/signal.h>): Fix types of SIG_DFL, SIG_ERR, + SIG_IGN, and SIG_HOLD. + (<sys/stat.h>): Turn definitions of stat, lstat, fstat, and mknod + into ANSI syntax and add __ to variables used. + + * c-parse.in (component_decl_list): Do pedwarn for missing semicolon + after last field decl. + +Wed Oct 7 09:49:34 1992 Michael Meissner (meissner@osf.org) + + * decstatn.h (LINK_SPEC): Don't define if it is already defined, + ie dec-osf1.h has included decstatn.h. + + * dec-osf1.h (MACHINE_TYPE): Redefine to say DEC OSF/1 instead of + ultrix. + +Wed Oct 7 03:50:11 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * configure (target_cpu_default): Var renamed from target_default. + Set it to 2, for a 486. Define TARGET_CPU_DEFAULT macro. + + * i386.h (TARGET_CPU_DEFAULT): Add default definition. + (TARGET_SWITCHES): Include that in the default. + + * toplev.c (main): Recover correctly from invalid -Wid-clash option. + + * cccp.c (finclude): Set fp->buf earlier, so it's freed on error. + + * Makefile.in (install-common-headers): Avoid ! operator, for assert.h. + +Tue Oct 6 20:21:21 1992 Jim Wilson (wilson@geech.gnu.ai.mit.edu) + + * unroll.c (copy_loop_body, JUMP_INSN case): Delete abort in the + code for setting the JUMP_LABEL field. + +Tue Oct 6 19:29:19 1992 Brendan Kehoe (brendan@mole.gnu.ai.mit.edu) + + * cp-call.c (build_overload_call_real): If `functions' is an + ADDR_EXPR (as with operator new and delete), give the name of its + argument as the error fn. + +Tue Oct 6 14:15:15 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * configure: Correct conditional in setting build_xm_file. + + * function.c (get_first_block_beg): New function. + + * cross-make (assertdir): Override usual definition. + * Makefile.in (install-common-headers): chmod assert.h in proper dir. + Use $(assertdir). + (assertdir): New variable. + (install-dir): Create dir $(includedir). + (includedir): Make this /usr/local/include. + +Tue Oct 6 12:05:35 1992 Jeffrey A. Law (law@mole.gnu.ai.mit.edu) + + * pa.md (memory function unit, load case): Loads take two cycles, + not one. + +Tue Oct 6 07:56:05 1992 Torbjorn Granlund (tege@hal.gnu.ai.mit.edu) + + * pa.md (adddi3): Fix typo. + +Tue Oct 6 04:03:40 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * m68k.c (floating_exact_log2, standard_68881_constant_p): + (standard_sun_fpa_constant_p): Use REAL_VALUE_FROM_CONST_DOUBLE. + (print_operand): Likewise. + +Mon Oct 5 18:39:29 1992 Brendan Kehoe (brendan@mole.gnu.ai.mit.edu) + + * tree.h (TREE_VIA_PROTECTED): Set protected_flag, not static_flag. + +Mon Oct 5 18:27:08 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * Makefile.in ($(srcdir)/INSTALL): Add -D INSTALLONLY. + +Mon Oct 5 14:46:08 1992 Brendan Kehoe (brendan@mole.gnu.ai.mit.edu) + + * cp-parse.y (unary_expr): Use the `new' rule when looking for + something like `new(foo) char[10]'. + + * cp-decl.c (grokparms): Don't call digest_init on default args. + +Mon Oct 5 02:21:06 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * reload1.c (allocate_reload_reg): Always check for asm + on failure instead of simply aborting. + + * optabs.c (init_optabs): Use cabs as the only libcall for abs. + +Mon Oct 5 03:10:14 1992 Mark Eichin (eichin at tweedledumber.cygnus.com) + + * c++ (numargs): $# was used after set was called; instead, save + $# in $numargs and use that value instead. + +Sun Oct 4 12:34:00 PDT 1992 Ron Guilmette (rfg at netcom.com) + + * dwarfout.c (hard-reg-set.h): Included to get decl of `reg_names'. + (PRINT_REG): Default definition added. + (dwarf_last_decl): Variable declaration added. + (output_reg_number): New function; handle -fverbose-asm reg printing. + (output_mem_loc_descriptor, output_loc_descriptor): Call it. + (output_decl): Set `dwarf_last_decl' each time this fn is called. + * i386.h (hi_reg_name, qi_reg_name, qi_high_reg_name): Declared. + (PRINT_REG): Definition moved from i386.c. + * i386.c (hi_reg_name, qi_reg_name, qi_high_reg_name): Not static. + (PRINT_REG): Definition moved to i386.h. + +Sun Oct 4 00:53:37 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * c-decl.c (shadow_tag_warned): Use pedwarn for useless keyword. + + * c-lex.c (readescape): No warning if digits in \x are all 0's. + +Sat Oct 3 14:37:39 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * optabs.c (expand_complex_abs): New function. + * expr.h (expand_complex_abs): Add declaration. + +Sat Oct 3 07:29:09 1992 Michael Meissner (meissner@osf.org) + + * configure (mips-dec-osf1): Use x-dec-osf1 instead of x-decstatn. + + * x-dec-osf1 (new file): Like x-decstatn, except that INSTALL is + installbsd -c. + +Sat Oct 3 05:04:43 1992 Tom Wood (wood@dg-rtp.dg.com) + + * toplev.c (rest_of_decl_compilation): Don't call + dwarfout_file_scope_decl as this causes duplicates. + +Sat Oct 3 01:35:23 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * explow.c (allocate_dynamic_stack_space) [MUST_ALIGN]: + Always add to size, always round up to STACK_BOUNDARY, + always round the address. + + * rtl.h (gen_realpart, gen_imagpart): Declared. + +Fri Oct 2 20:03:53 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * emit-rtl.c (gen_realpart, gen_imagpart): New functions. + * optabs.c (expand_unop, expand_binop): Use them. + * expr.c (expand_expr): Use them. + + * cccp.c (main): Handle -U before -D (and -A). + + * assert.h: Add magic comment at beginning. + * Makefile.in (includedir): New variable. + (USER_H): assert.h removed from value. + (install-common-headers): Install assert.h separately, in includedir, + but not if file exists and lacks the magic comment. + + * reload1.c (reload): Move test for failure to find any group + to after the loop over i. Also check that all the regnos fit + below FIRST_PSEUDO_REGISTER. + + * expr.c (expand_expr): + For ABS_EXPR, give expand_unop the operand's mode. + +Fri Oct 2 14:58:06 PDT 1992 Ron Guilmette (rfg at netcom.com) + + * i386v4.h (DBX_REGISTER_NUMBER): Don't abort here on pseudo-regs. + * dwarfout.c (output_mem_loc_descriptor, output_loc_descriptor): + Catch cases of bogus DECL_RTL values involving pseudo-regs (for all + target systems) and print an annoying message if we ever see such a + case. + +Thu Oct 1 17:23:08 1992 Michael Meissner (meissner@osf.org) + + * mips-tfile.c (various): Rename some of the index variables and + fields to indx, so that it doesn't conflict with the BSD + index function, which may be #define'd to strchr. However, the + MIPS symbol table has a field called index, so #undef index and + rindex, and write our own functions local_index and local_rindex. + + * mips-bsd.h (CPP_PREDEFINES): Add single underscore in front of + each of the defines, for RISC-OS 5.0 compatibility. + + * mips-sysv.h (CPP_PREDEFINES): Add single underscore in front of + each of the defines, for RISC-OS 5.0 compatibility. + + * mips-svr4.h (CPP_PREDEFINES): Add single underscore in front of + each of the defines, for RISC-OS 5.0 compatibility. + + * mips.h (CPP_PREDEFINES): Add single underscore in front of each + of the defines, for RISC-OS 5.0 compatibility. + + * mips.c (override_options): Only call setvbuf to make stderr line + buffered for -mstats on Ultrix, and OSF/1. + +Thu Oct 1 15:18:55 1992 Jim Wilson (wilson@wookumz.gnu.ai.mit.edu) + + * reload1.c (emit_reload_insns): Add a case to handle + SECONDARY_MEMORY_NEEDED in the SECONDARY_OUTPUT_RELOAD_CLASS code. + * sparc.h (SECONDARY_INPUT_RELOAD_CLASS): Also need a temp reg + when loading HImode and QImode values from memory to FP_REGS. + (SECONDARY_OUTPUT_RELOAD_CLASS): New macro. Define this to handle + HImode and QImode stores from FP_REGS to memory similar to above. + +Thu Oct 1 13:36:52 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * cccp.c (rescan): If traditional, recognize # only at bol. + + * expr.c (expand_expr): Just return the lowpart or highpart. + + * configure (i386-*-linux, i486-*-linux): New alternatives. + * i386linux.h, i486linux.h, xm-linux.h: New files. + + * optabs.c (expand_unop): Handle complex negate and abs val. + (init_optabs): Set up libcalls for complex abs. + (init_complex_libcalls): New function. + +Thu Oct 1 22:58:45 1992 Eric Youngdale (youngdale@v6550d.nrl.navy.mil) + + * make-cc1.com: Extract line containing "#define YYEMPTY" from + cp-parse.c, and append to cp-parse.h (a la Makefile.in). + + * cccp.c (main) [VMS]: Use .obj, not .o, in dependencies output. + +Thu Oct 1 17:15:49 1992 Chip Salzenberg (chip@tct.com) + + * c-common.c (declare_function_name): __FUNC__ variables + are compiler-created, so set DECL_SOURCE_LINE to zero. + * c-decl.c (pushdecl): Internally generated vars can be + detected with DECL_SOURCE_LINE of zero, not DECL_IGNORED_P. + +Thu Oct 1 13:07:21 1992 Jeffrey A. Law (law@schirf.cs.utah.edu) + + * pa.c (emit_move_sequence): When making a reference to the data + space before reload, emit an insn sequence which is much more + likely to create "addil" instructions rather than "ldil; add" + sequences. Doing so greatly reduces the chance of running into a + HPUX linker bug when compiling kernels. + + * pa.h (TARGET_KERNEL): New switch "-mkernel" which forces gcc to + avoid "ldil; add" sequences when %r29 and instead generate "addil" + sequences. This avoids a HPUX linker bug when compiling kernels. + * pa.md (add high part and dp register): Split into two patterns, + one for normal code, one for kernels. Kernel version only allows + "r1" as the destination register. + + * pa.h (LEGITIMIZE_ADDRESS, SYMBOL_REF case): Emit a sequence + which will cause "addil" instructions to be emitted instead of + "ldil; add" sequences. + +Thu Oct 1 01:09:05 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * c-parse.in, cond.awk: New files. + * Makefile.in (c-parse.y, objc-parse.y): Construct from c-parse.in. + (gcc.xtar): Depend on c-parse.y, objc-parse.y. + (realclean): Delete c-parse.y, objc-parse.y. + + * explow.c (allocate_dynamic_stack_space): If STACK_DYNAMIC_OFFSET + or STACK_POINTER_OFFSET, always round address up to BIGGEST_ALIGNMENT. + + * gstddef.h: If _ANSI_H_, undef _PTRDIFF_T_, _SIZE_T_, _WCHAR_T. + + * gvarargs.h: In the first part (instead of va-*.h), define + __gnuc_va_list, as in gstdarg.h. Always use __gunc_va_list + as basis for defining va_list. + Move interaction with BSD-NET2 down to where va_list itself is defined. + + * cccp.c (do_include): Delete unreachable goto after '"' case. + +Thu Oct 1 16:57:22 1992 Peter Schauer (pes@regent.e-technik.tu-muenchen.de) + + * dpx2g.h (NO_DOLLAR_IN_LABEL): Undef because gas understands dollars + in labels and gdb expects them if configured for gas. + (STARTFILE_SPEC): Include huge.o to be compatible with native cc. + (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): + (CTOR_LISTS_DEFINED_EXTERNALLY, DO_GLOBAL_DTORS_BODY): + (STARTFILE_SPEC): Conditionally redefine for a collectless version + of gcc if USE_COLLECT2 is not defined. + + * dpx2.ifile: New ld command file to support not using collect2. + +Wed Sep 30 17:08:32 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * libgcc2.c (__eprintf): Do nothing if inhibit_eprintf is defined. + + * pbd.h, spc-sol2.h, tower.h (NO_UNDERSCORES): Deleted. + + * Makefile.in (install-fixincludes): rm syslimits.h before installing. + Install it with cp. Add an else-part to the if that installs it. + + * c-decl.c (start_enum): Push obstacks, switch to permanent if global. + (finish_enum): Pop obstacks. + (store_parm_decls): When clearing ->names, clear out the values + from the identifiers, restore shadowed values, and clear ->shadowed. + + * c-decl.c (grokdeclarator): Don't warn of const or volatile function + in a system header file. + + * sdbout.c: Don't use system syms.h on hpux. + + * cccp.c (do_xifdef): Skip all kinds of whitespace, in bof test. + +Wed Sep 30 15:09:10 1992 Jim Wilson (wilson@wookumz.gnu.ai.mit.edu) + + * sparc.md (orcc peephole): Don't accept FP reg for operand 0. + +Wed Sep 30 00:47:48 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * gstdarg.h, gvarargs.h: Use <...> to include va-*.h. + + * c-decl.c (start_struct): Push the obstacks. + Switch to permanent if at top level. + (finish_struct): Pop them. + + * c-decl.c (store_parm_decls): If we have (erroneously) a prototype + and old-style parm decls, throw away the old-style parm decls. + + * configure: Default $build after $host. Canonicalize all three + config names before the main dispatch and save in $canon_host, etc. + Write these into config.status and on terminal at the end. + +Tue Sep 29 18:41:54 1992 Jim Wilson (wilson@wookumz.gnu.ai.mit.edu) + + * unroll.c (find_splittable_givs): recog_memoized failure return + is -1 not 0. + +Tue Sep 29 22:19:48 1992 Roland McGrath (roland@geech.gnu.ai.mit.edu) + + * config.sub (os handling): Recognize `linux' as a valid os. + +Tue Sep 29 16:05:47 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * limitx.h: Use <...> in #include. + + * Makefile.in (ENQUIRE_CFLAGS): Remove -DNO_SC. + +Tue Sep 29 10:14:27 1992 Richard Kenner (kenner@.vlsi1.ultra.nyu.edu) + + * optabs.c (expand_binop): Convert X - C to X + (-C). + +Mon Sep 28 22:44:17 1992 Jim Wilson (wilson@cygnus.com) + + * reload.c (find_reloads_address): If tem != ad, then create a new + mem to hold it and store it back into memrefloc. + +Mon Sep 28 10:44:55 1992 Chip Salzenberg (chip@tct.com) + + * regclass.c: Fix comment syntax after #endif. + +Mon Sep 28 17:15:22 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * gstdarg.h (va_arg, va_start): Explicitly cast to __gnuc_va_alist. + +Mon Sep 28 17:12:04 1992 Jim Wilson (wilson@wookumz.gnu.ai.mit.edu) + + * unroll.c (copy_loop_body, JUMP_INSN case): When invert jump + insn, must first construct new insn before trying to invert it, + so that validate_change will work properly. + + * unroll.c (find_splittable_givs): Pass mem_mode not mode to + memory_address_p. + + * unroll.c (copy_loop_body, JUMP_INSN case): When setting + JUMP_LABEL field, verify that what we think is a label actually + is. If it isn't then map the old JUMP_LABEL to find the new one. + + * sparc.md (orcc peephole): Don't allow FP regs to match pattern. + + * i960.md (indirect_jump): Use bx instead of b*, and accept any + address_operand instead of just a register operand. + + * i960.c (i960_round_tree): Correct conversion of bits to bytes to + round up to nearest byte. + (i960_round_align): Likewise. + +Mon Sep 28 15:54:18 1992 Michael Meissner (meissner@osf.org) + + * dec-osf1.h (LINK_SPEC): Fix typo. + +Mon Sep 28 08:15:02 1992 Richard Kenner (kenner at vlsi1.ultra.nyu.edu) + + * rs6000.md (subsi3): Remove last change. + (allocate_stack): Go back to calling subsi3. + +Mon Sep 28 02:41:32 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * optabs.c (expand_binop): Use get_insns, not gen_sequence. + + * c-typeck.c (build_unary_op): Address of nested fcn isn't constant. + + * libgcc2.c (__builtin_new): Avoid passing 0 to malloc. + + * m68k.md (indirect_jump): Use address_operand as predicate. + + * c-decl.c (finish_decl): Do the pop_obstacks sooner, when it's + time to start allocating in the ambient context's obstack. + Don't call permanent_allocation unless got back to permanent obstack. + +Sun Sep 27 13:06:19 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * function.c (assign_parms): If PROMOTE_FUNCTION_ARGS is defined, + see if the incoming register should be used in a wider mode. + (expand_function_start): Likewise for return value if + PROMOTE_FUNCTION_RETURN is defined. + * calls.c (struct arg_data): New field unsignedp. + (expand_call): Handle PROMOTE_FUNCTION_ARGS and + PROMOTE_FUNCTION_RETURN. + + * alpha.h (FUNCTION_VALUE): Promote mode for return value. + + * alpha.h (BYTE_LOADS_SIGN_EXTEND): Define. + + * rs6000.md (subsi3): Don't bother calling negate_rtx for constant; + we shouldn't be called with a constant. + (maskir patterns): Don't mention an operand before it is used; + use operand number 1 for operand with '0' constraint. + (allocate_stack): Use reg_or_short_operand for predicate of + allocation amount; use negate_rtx and always make a PLUS. + + * romp.h (EXTRA_CONSTRAINT, case 'Q'): Check for MEM instead of + calling memory_operand. + (SHIFT_COUNT_TRUNCATED): No longer define this. + +Sat Sep 26 18:14:15 1992 Michael Meissner (meissner@osf.org) + + * config.sub (os handling): Recognize riscos as an operating + system. + + * configure (dec-osf1): Use x-decstatn for xmake_file. + (mips computers): Handle RISC-OS 5 vs. RISC-OS 4 configuration + changes -- RISC-OS 5. passes -non_shared by default. + + * mips-5.h (new file): RISC-OS rev 5 config file. + * mips-5bsd.h (new file): RISC-OS rev 5, bsd 4.3 config file. + * mips-5g4.h (new file): RISC-OS rev 5, svr4 + stabs config file. + * mips-5gbsd.h (new file): RISC-OS rev 5, bsd 4.3 + stabs config file. + * mips-5gdb.h (new file): RISC-OS rev 5 + stabs config file. + * mips-5gsysv.h (new file): RISC-OS rev 5 svr3 + stabs config file. + * mips-5svr4.h (new file): RISC-OS rev 5 svr4 + stabs config file. + * mips-5sysv.h (new file): RISC-OS rev 5 svr3 config file. + + * dec-osf1.h (LINK_SPEC): Pass -non_shared to linker unless + -shared was passed. + (SIZE_TYPE): Define as long unsigned int. + (PTRDIFF_TYPE): Define as int. + (WCHAR_TYPE_SIZE): Define as SHORT_TYPE_SIZE. + + * decrose.h (MACHINE_TYPE): Shorten verbage. + + * i386rose.h (TARGET_VERSION): Print appropriate information. + + * xm-mips.h (HAVE_VFPRINTF, HAVE_PUTENV): Define on DEC OSF/1. + + * mips.c (siginfo): Print just current filename, and function + being compiled. + + * mips-tfile.c (Size_t): Use long unsigned on OSF/1. + (toplevel): Don't define rindex and index on OSF/1. + +Sat Sep 26 17:46:57 1992 Torbjorn Granlund (tege@jupiter.sics.se) + + * arm.md (comment before extendhisi2): Remove the lie. + (zero_extendhisi2): Rewrite to work if op0 == op1. Use + gen_lowpart in preparation code. + (extendqisi2, extendhisi2): Likewise. + (extendqihi2): Expand. + + * arm.md (restorehi): Rewrite for correctness, efficiency, and + clarity. Avoid generating insns involving truncate. Generate + needed pseudos in preparation statements. + (storehi): Likewise. + (storeinthi): Likewise. + (movhi): Call gen_storehi, gen_restorehi, gen_storeinthi according + their new definitions. Use force_reg to put address in register. + + * m68k.md (indirect_jump): Use %a0 for output, and p for constraint. + +Sat Sep 26 02:42:42 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * reload1.c (eliminate_regs_in_insn): Rerecognize if move insn + becomes a non-move. + + * Makefile.in (install-fixincludes): + Use - when making syslimits.h; fix if-statement syntax. + + * jump.c (jump_optimize): When handling dispatch table that always + goes to the same place, verify previous insn exists. + + * c-typeck.c (common_type): Renable code to merge qualifiers + given two pointers to compatible types. + +Sat Sep 26 12:02:38 PDT 1992 Ron Guilmette (rfg at netocm.com) + + * dwarfout.c (location_attribute): If DECL_RTL looks like (MEM pseudo), + treat that variable as optimized away. + +Fri Sep 25 19:48:46 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * c-decl.c (explicit_flag_signed_bitfields): New variable. + (c_decode_option): Set that for -f[un]signed-bitfields. + (grokdeclarator): If that's set, and -fsigned-bitfields, + disregard -traditional when handling bitfield signedness. + + * configure: Handle --build option. Make link hconfig.h. + * Makefile.in: In the targets such as $(HOST_PREFIX_1)rtl.o, + use sed to make them include hconfig.h instead of config.h. + (distclean): Add command to delete hconfig.h. + +Fri Sep 25 19:56:35 1992 Brendan Kehoe (brendan@mole.gnu.ai.mit.edu) + + * cp-search.c (compute_visibility): Don't mess with the context. + + * cp-decl.c (grokdeclarator): Return value from do_friend + properly; this shouldn't have gone in yet. + +Fri Sep 25 02:23:51 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * c-typeck.c (initializer_constant_valid_p): Really use endtype. + + * cccp.c (do_include): "Concatenate" multiple "strings" in #include. + + * vmsconfig.com: Renamed from configure.com. + + * next.h (CPP_PREDEFINES): Define __ARCHITECTURE__. + + * dbxout.c (dbxout_symbol): For anonymous enum, output type anyway. + +Fri Sep 25 01:33:36 1992 Jim Wilson (wilson@wookumz.gnu.ai.mit.edu) + + * function.h (struct function): Add epilogue_delay_list field. + * function.c (push_function_context): Save epilogue_delay_list. + (pop_function_context): Restore epilogue_delay_list. + + * sparc.md (nonlocal_goto): Force operands[0] to be a register. + + * va-sparc.h (va_arg): Add 3 more (void *) casts to avoid warnings + with -Wcast-align. + + * sparc.c (SF_MODES): Accept all single word or smaller integer + modes not just SImode. These are needed for fix/float conversions. + + * sched.c (sched_analyze_2, PRE_DEC case): Call sched_analyze_2 in + addition to sched_analyze_1. + + * va-i960.h (va_start): Must access anonymous arg as offset from + start of argument block. + + * i960.md (movdi, movti, movdf, movtf): Make store zero to memory + a separate case, only accept offsettable memory addresses, and call + adj_offsettable_operand to calculate subword addresses. + + * i960.c (i960_output_ldconst): Pass missing xoperands argument to + output_asm_insn call. + + * a29k.md (movti): Split CONST_INTs into 4 moves, and force all + other constants to memory. + +Thu Sep 24 21:51:46 1992 Brendan Kehoe (brendan@mole.gnu.ai.mit.edu) + + Complete Cygnus<-->FSF merge. + + Thu Sep 24 17:05:27 1992 Brendan Kehoe (brendan@rtl.cygnus.com) + + * cp-decl.c (pushdecl): Use a friendly abort rather than an assert. + (grokparms): Pass whether init is set or not for the initialized + parameter to grokdeclarator. + + Wed Sep 23 22:09:44 1992 Mike Stump (mrs@cygnus.com) + + * cp-class.c (finish_struct), cp-decl2.c (warn_nonvdtor), + cp-tree.c (layout_basetypes), cp-tree.h (warn_nonvdtor): Re-enable + warnings for non-virtual destructors in some situations. + + Wed Sep 23 15:42:33 1992 Mike Stump (mrs@cygnus.com) + + Wed Sep 23 16:31:27 1992 Michael Meissner (meissner@osf.org) + + * cp-decl.c (duplicate_decls): Cast bcopy arguments to char * to + avoid warning on OSF/1. + + Wed Sep 23 11:36:44 1992 Brendan Kehoe (brendan@rtl.cygnus.com) + + * cp-decl.c (start_method): Give the name of the class if a method's + being defined again, rather than say "aggregate scope". + * cp-decl2.c (grokfield, grokbitfield, groktypefield): Ditto. + + Tue Sep 1 22:55:59 1992 Paul Eggert (eggert@twinsun.com) + + * cp-cvt.c (convert_to_integer): Prefer unsigned + arithmetic if the output type is unsigned and is no more precise than + the computation type. This avoids unnecessary sign extension. + + Tue Sep 15 20:26:18 1992 John F Carr (jfc at Athena.MIT.EDU) + + * cp-pt.c (tsubst): Don't call layout_type near start of function + with T. const and volatile attributes don't affect the memory + structure of the type, and T may not yet be a valid argument for + layout_type (for example, if it is an uninstantiated template). + Individual switch cases will call layout_type if necessary. + + Mon Sep 21 15:59:22 1992 Brendan Kehoe (brendan@rtl.cygnus.com) + + * cp-decl.c (pushdecl): Check if DECL_SOURCE_LINE is non-zero, not + if DECL_IGNORED_P is set, when checking for shadowing. We no longer + need DECL_IGNORED_P on builtin types. + (record_builtin_type): Don't set DECL_IGNORED_P for a builtin type. + + * cp-decl.c (start_decl): When working with virtual functions, + always use the node's DECL_CLASS_CONTEXT. + * cp-method.c (hack_identifier): Ditto. + * cp-search.c (compute_visibility): Ditto. + + * cp-decl.c (grokdeclarator): Don't allow a member to be declared + extern. + + * cp-decl.c (grokdeclarator): Return a void_type_node if we're + looking at a friend (even after calling do_friend). + (pushdecl): Disable some code that's untested and + doesn't necessarily help DWARF right now. + (finish_function): Always emit debugging info for the + return type of a function. + (pushdecl): Don't change the DECL_CONTEXT of virtual + methods. + (finish_enum): Always output debugging info for enums. + (grokdeclarator): It's an error if we're doing an init of an extern + at the top level. If we are at the top level, just warn. + + * cp-typeck.c (comp_target_parms): Check if strict is non-zero, not + just > 0. + (build_function_call_real): Don't return an error-mark node when + they call "main" from within the fn, it's only a pedantic warning. + (pointer_int_sum): Reword warning when using a ptr-to-mem in arith. + + * cp-tree.c (layout_basetypes): Make record_align and const_size + unsigned. + + Mon Sep 21 14:53:43 1992 Brendan Kehoe (brendan@rtl.cygnus.com) + + * cp-tree.h (flag_no_ident): Add extern decl for cp-lex.c. + + * cp-decl.c (duplicate_decls): Save the DECL_UID and DECL_FRIEND_P + info from olddecl. Otherwise, they'd get clobbered when newdecl's + contents get copied into olddecl. + + * cp-lex.c (check_newline): Delete pedantic error about using #ident, + since cccp.c already gives a warning. In the case that + ASM_OUTPUT_IDENT is defined, only actually spit it out if flag_no_ident + is not set. + + Sat Sep 19 14:53:31 1992 Brendan Kehoe (brendan@rtl.cygnus.com) + + Sat Sep 19 11:37:11 1992 John F Carr (jfc at Athena.MIT.EDU) + + * cp-decl.c (finish_decl): Don't call + CLASSTYPE_DECLARED_EXCEPTION if TYPE is error_mark_node, to avoid + referencing a nonexistent field. + + Fri Sep 18 14:06:06 1992 Brendan Kehoe (brendan@rtl.cygnus.com) + + * cp-parse.y (component_decl): Remove sorry about not implementing + methods in anonymous unions---they're illegal, and we generate an + error elsewhere to that effect. + + * cp-decl.c (start_method): Make the error message about a + duplicated member a little more informative. + + Fri Sep 18 12:28:13 1992 Brendan Kehoe (brendan at rtl.cygnus.com) + + * cp-parse.y: Define YYDEBUG if SPEW_DEBUG is defined. + (debug_yytranslate): YYDEBUG will always be defined, no need to test. + + Fri Sep 18 10:46:19 1992 Brendan Kehoe (brendan@rtl.cygnus.com) + + * cp-parse.y (unary_expr): When parsing delete, first complain if + it's a non-pointer, then check if it's a pointer with the value zero. + Also be sure not to call build_delete if that's the case. + +Thu Sep 24 18:03:07 1992 Michael Meissner (meissner@osf.org) + + * mips.h (MIPS_VERSION): Set Meissner version # to 27. + (STRUCT_VALUE_REGNUM): Delete macro. + (STRUCT_VALUE): Define as 0, so that structure return addresses + are passed as the first argument. This fixes various codegen + problems with functions returning structures. + + * mips.c (init_cumulative_args): Don't advance arg pointer if + function returns a structure. + +Thu Sep 24 12:38:31 1992 Torbjorn Granlund (tege@wombat.gnu.ai.mit.edu) + + * pa.h (REGISTER_MOVE_COST): Fix typo. Use `||' instead of `|'. + (REG_CLASS_FROM_LETTER): Don't handle 'r' constraints here. + * pa.c (clobbered_register): Delete. + (srcsi_operand): Return 1 also for things matching + depi_cint_operand. + (secondary_reload_class): Replace. + * pa.md (ldo/ldil SImode and HImode recognizers): Use + "const_int_operand" for operand 1 and simplify final condition. + Remove `n' constraint. + (depi SImode and HImode recognizers): Remove `n' constraint. + (plus:SI ... high ... splitter): Don't overwrite input, go via + clobber operand instead. + (many patterns): Replace `in' constraint with just `i'. + (movstrsi): Don't do (clobber (match_scratch)), use explicit + pseudos instead, generated in preparation C code. Don't call + force_not_mem for operand 2. + (movstrsi recognizer): Add `&' to operand 3. + (andsi3): Fix typo. + (iorsi3): Fix typo. + (load-shift-16): New optimizer. + (load-shift optimizers): Set "type" attr. + +Thu Sep 24 15:17:38 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * toplev.c (lang_options): Add Objc options. + + * configure.bat: Use xgcc, not gcc. + +Thu Sep 24 06:30:47 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * c-lex.c (yylex, case '"'): Initialize arg pased to readescape. + + * genattrtab.c (length_used): New variable. + (walk_attr_value): Set it when we have (eq_attr "length" ...). + (write_const_num_delay_slots): Value is 1 unless LENGTH_USED is set. + + * reorg.c (mark_set_resources, case CC0): Set RES->CC if IN_SEST. + + * regclass.c (forbidden_inc_dec_class, in_inc_dec): New variables. + (regclass): Don't alloca the costs twice. + Initialize forbidden_inc_dec_class. + For regs that have inc-dec, ignore forbidden classes. + (record_address_regs): Update in_inc_dec. + +Thu Sep 24 02:36:00 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * syslimits.h: New file, includes system's limits.h. + * limitx.h: Include syslimits.h instead of system's limits.h. + * Makefile.in (USER_H): Add syslimits.h. + (install-fixincludes): If we fix system's limits.h, install that + as syslimits.h + + * c-lex.c (readescape): New arg ignore_ptr. + (yylex): Pass new arg, handle result that comes back. + +Wed Sep 23 19:26:42 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * reload.c (find_reloads_address): Properly check for constant address. + + * cse.c (simplify_unary_operation, case SIGN_EXTEND): Use + HOST_BITS_PER_WIDE_INT, not HOST_BITS_PER_INT. + + * fold-const.c (fold_convert): Add missing cast to HOST_WIDE_INT. + + * jump.c (jump_optimize): Tighten up test for when we can't + delete a set of CC0. + Don't insert insns between set and use of CC0. + + * final.c (shorten_branches): Correctly access insn needing delay slot. + + * combine.c (significant_bits, num_sign_bit_copies): Handle SUBREGs + made for promoted variables. + + * reorg.c (fill_simple_delay_slots): Don't make copy of insn that + references CC0. + + * romp.md (define_attr "type"): New type "ibranch". + (define_attr "length"): Set length for "ibranch" type. + (define_attr "in_delay_slot"): Add new type "ibranch"; + for "branch", only has delay slot if length is 4. + (define_attr "cc_type"): Add new type "ibranch". + (indirect branches): Now type "ibranch". + + * alpha.c (alpha_gp_dead_after): Return 0 if not optimizing. + +Wed Sep 23 00:11:35 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * gvarargs.h: Finish changing _ANSI_H to _ANSI_H_. + +Tue Sep 22 23:39:06 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * i386mach.h (perform_fixdfsi): Copy arg to memory variable. + +Tue Sep 22 14:54:38 1992 Richard Kenner (kenner at vlsi1.ultra.nyu.edu) + + * loop.c (basic_induction_var): Inside PLUS, when looking for promoted + var, make sure it's a REG. + +Tue Sep 22 12:21:11 1992 Michael Meissner (meissner@osf.org) + + * mips.h (MIPS_VERSION): Bump Meissner version # to 26. + (REG_PARM_STACK_SPACE): Use UNITS_PER_WORD instead of 4, and + substract FIRST_PARM_OFFSET. + (FIRST_PARM_CALLER_OFFSET): Delete unused macro. + + * mips.c (init_cumulative_args): Print types of fntype and the + return type if -mdebuge. + + * decrose.h (CPP_SPEC): Eliminate defining various builtin + functions with -D<name>=__builtin_<name>, if neither -fbuiltin nor + -fno-builtin were passed. + (CC1_SPEC): Eliminate passing -fno-builtin to the compiler if + neither -fbuiltin nor -fno-builtin were passed. Eliminate + %{save-temps: } since gcc no longer gives an unknown switch + message if it is used. + + * i386rose.h (CPP_SPEC): Eliminate defining various builtin + functions with -D<name>=__builtin_<name>, if neither -fbuiltin nor + -fno-builtin were passed. + (CC1_SPEC): Eliminate passing -fno-builtin to the compiler if + neither -fbuiltin nor -fno-builtin were passed. Eliminate + %{save-temps: } since gcc no longer gives an unknown switch + message if it is used. + (MASK_HALF_PIC): Move bit mask to 0x40000000, to allow for i386.h + to define more switches without overlapping our private switch. + (TARGET switches): Add -mdebugb to debug half-pic code. + (OPTIMIZATION_OPTIONS): Only set flag_gnu_linker FALSE always, and + flag_inline_functions if -O3. In particular never set + -fomit-frame-pointer which currently messes up debugging. + (GO_IF_LEGITIMATE_ADDRESS): Define i386-osfrose version that deals + with half-pic. + (OVERRIDE_OPTIONS): Define to initialize half-pic. + (ASM_FILE_END): Define to dump out half-pic variables if needed. + + * t-i386rose (EXTRA_OBJS): Define as halfpic.o. + (CONFIG2_H): Add $(srcdir)/halfpic.h. + (halfpic.o): Add dependencies. + +Tue Sep 22 03:12:01 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * reload1.c (choose_reload_regs): When setting reg_has_output_reload, + loop over multiple regs only for hard reg. Set reg_is_output_reload + in separate loop. + +Mon Sep 21 12:22:24 1992 Jeffrey A. Law (law@mole.gnu.ai.mit.edu) + + * reorg.c (mark_set_resources, case REG): A register is set iff + "in_dest" is nonzero. + +Mon Sep 21 14:16:10 1992 Torbjorn Granlund (tege@jupiter.sics.se) + + * combine.c (make_extraction): Make test whether to use AND or + {SIGN,ZERO}_EXTRACT depend on UNSIGNEDP. + +Mon Sep 21 08:26:55 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * reload1.c (reload): If we can't get a register that we know won't + interfere with groups, get one that might instead of giving up. + + * reload1.c (reload): Print the needs to the dump file. + +Mon Sep 21 02:45:19 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * function.c (put_var_into_stack): Check REG != 0 before dereference. + +Sun Sep 20 16:58:05 1992 Fred Fish (fnf at fishpond.cygnus.com) + + * x-svr4: New generic SVR4 host makefile fragment. + * x-i386v4: File deleted. + * x-ncr3000: Get alloca using ALLOCA, not libucb.a. + * configure (i386-*-sysv4*): Use x-svr4, not x-i386v4. + * configure (i486-*-sysv4*): Use x-svr4. + +Sun Sep 20 21:18:15 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * combine.c (subst): Set and compare extend_op with 0, not NULL. + + * cse.c (find_comparison_args): New args PMODE1, PMODE2. + (fold_rtx, record_jump_equiv): Use them to get modes of comparison. + (fold_rtx): Associate MINUS with nested PLUS. + + * seq386.h (LPREFIX): Overridden as `.L'. + (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Likewise. + +Sun Sep 20 05:53:20 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * combine.c (try_combine): Always call set_significant on new + patterns, so don't call just in split case. + + * combine.c (subst): Move sign extension inside arithmetic + when we have a constant computation inside another computation. + + * emit-rtl.c (emit_insn_after_with_line_notes): New function. + * jump.c (jump_optimize): Delete insns that set registers that + are not used elsewhere. + Fix some bugs in "if (...) x = a; else x = b;" code. + Remove uses of reorder_insns. + Add code to make scc insns for "if (...) x = exp;" if EXP is simple + enough. + Optimize "if (...) x = b;" if jumps very expensive; don't use a REG + as the older value of X since it doesn't help and can hurt. + Correctly place generated insns in above case. + + * reload.c (find_reloads, find_reloads_toplev): Treat + BYTE_LOADS_SIGN_EXTEND just like BYTE_LOADS_ZERO_EXTEND. + * combine.c (subst, simplify_and_const_int, significant_bits): + Likewise. + (num_sign_bit_copies, case MEM): New case for BYTE_LOADS_SIGN_EXTEND. + (num_sign_bit_copies, case SUBREG): Handle just like significant_bits. + +Sat Sep 19 15:55:31 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * combine.c (combine_instructions): Clear significant_valid + at end of combine pass for a function. + (find_split_point, case MEM): See if first operand of the PLUS + that makes up an address is complex. + (subst): Add missing arg to recursive calls when IF_THEN_ELSE + is an arg of an operator. + (subst, case IF_THEN_ELSE): Generalize code to propagate comparison + result into arms by using known_cond. + If an arm is the first operand of the comparison, make it the + true arm. + Remove unneeded comparison when arms are identical. + Try to convert IF_THEN_ELSE to ABS, (neg (abs X)), [US]MIN, [US]MAX. + Convert (if_then_else (ne A 0) (OP X C) X) to (OP X (mult A C)). + (subst, case SET): If we don't have conditional moves, + convert IF_THEN_ELSE into logical operations. + (subst, case AND): Always make conditional moves, even if we + don't support them on the machine. + (known_cond, extended_count): New functions. + (gen_binary): For commutative operations, put constant last. + + * combine.c (try_combine): The insns made by a DEFINE_SPLIT might + contain a PARALLEL and the call to recog_for_combine might add it. + + * combine.c (simplify_comparison, case ASHIFT): Fix typo. + + * combine.c (try_combine): When removing REG_UNUSED note, + update reg_n_deaths. + Likewise, when making new REG_DEAD notes for distribute_notes. + (remove_death, move_deaths): Update reg_n_deaths. + (distribute_notes): When placing second REG_DEAD or REG_UNUSED note or + ignoring such a note, update reg_n_deaths. + + * rtl.h (SUBREG_PROMOTED_{VAR,UNSIGNED}_P): New macros. + * tree.h (DECL_MODE, DECL_RTL): Update comments. + * expr.h (PROMOTE_MODE): Provide default definition. + * expr.c (convert_move, convert_to_mode): Strip off a SUBREG made + for variables with promoted modes. + (store_expr): Store into variables with promoted modes by + doing the appropriate extension operation. + (expand_expr, case VAR_DECL): Generate SUBREGs for promoted objects. + (expand_expr, case SAVE_EXPR): Likewise for SAVE_EXPRs. + (expand_increment): Handle increment of promoted objects. + * function.c (fixup_var_refs{,_insns}): Add new parms for promoted + mode and signedness; all callers changed. + Insert mode conversions when required. + (fixup_var_refs_1): Add new parms for mode and signedness; + handle SUBREGs for promoted values. + (assign_parms): Promote the mode of parameters when useful for + the target machine. + * function.h (struct var_refs_queue): Remove unused field ORIGINAL. + Add new fields PROMOTED_MODE and UNSIGNEDP. + * integrate.c (expand_inline_function): Convert actual to formal's + mode (in case formal was promoted). + * loop.c (basic_induction_var): Add new parameter P. + Check for bivs that are set over multiple insns and also + allow a SIGN_EXTEND to be used; remove check for MINUS since + we don't make MINUS with a constant 2nd operand any more. + * optabs.c (expand_binop, expand_unop): Don't make SUBREG for promoted + variables as operands. + * stmt.c (tail_recursion_args): Use mode of DECL_RTL, not + DECL_MODE. + (expand_decl): Promote modes of scalar variables when useful on + target. + * unroll.c (find_splittable_regs): If any BIV update isn't + simple, don't split it. + (final_giv_value): Look for biv updates by matching insns; don't + try to reparse the insn. + * rs6000.h (PROMOTE_MODE): New macro. + + * rtlanal.c (reg_set_last): Allow old value to be a SUBREG. + + * rs6000.c (print_operand, case 'h', 'H', 'w'): Minor cleanups. + * rs6000.h (BRANCH_COST): Increase from 2 to 3. + * rs6000.md (smax, smin, umax, umin): Add define_splits. + + * alpha.h (PROMOTE_MODE): New macro. + (REG_ALLOC_ORDER): Put $0 in front of $21-$16. + (CONST_OK_FOR_LETTER): Change meanings of N, O, and P. + (BRANCH_COST): Increase from 3 to 4. + (PREDICATE_CODES): Add new predicates reg_or_cint_operand and + sext_add_operand. + * alpha.md (addsi3): subl can be used to sign-extend addition of + small negative constants. + (negsi2): Add pattern for (sign_extend (neg ..)). + (and pattern): Fix typo in constraint. + (ashldi3): Use new definition of constant letters. + (smax, smin, umax, umin): Add define_splits. + (compares): Can compare constant with zero by adding negative of + constant. + (store insns): Can store 0 into memory in both integer and FP. + * alpha.c (sext_add_operand, reg_or_cint_operand): New function.s + (print_operand, case 'r', case 'R'): Clean up code; use CONST0_RTX. + + * rtl.c (note_insn_name): Fix typo: had NOT_INSN_DELETED_LABEL. + + * jump.c (delete_insn): Don't change labels to NOTEs if we would + not really have deleted them. + + * genconfig.c (walk_insn_part, case IF_THEN_ELSE): Refine when + HAVE_CMOVE_FLAG gets set. + +Sat Sep 19 14:52:05 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * reload.c (find_reloads): Always use >= with FIRST_PSEUDO_REGISTER. + + * i386mach.h (SIZE_TYPE): Defined. + +Sat Sep 19 04:57:06 1992 James Van Artsdalen (james at bigtex.cactus.org) + + * i386.md (sCOND patterns): Don't allow a MEM in the SET_DEST, + because these insns can't have input reloads, and a MEM might need + an input address reload. + + * fold-const.c (fold_convert): Avoid using conversion of unsigned + to floating; offset value by hand to fit in signed type. + +Sat Sep 19 00:50:32 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * integrate.c (subst_constants): Do substitute in address of MEM dest. + + * reload1.c (init_reload): Fix typo. + +Fri Sep 18 21:09:15 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * libgcc2.c: Declare _exit as volatile. + + * function.c (assign_parms): Set MEM_IN_STRUCT_P right in stack slots. + +Fri Sep 18 15:58:15 1992 James Van Artsdalen (james at bigtex.cactus.org) + + * fixincludes: Don't look for *.h symlinks if the host doesn't + have symlinks. + +Fri Sep 18 17:34:27 1992 Michael Meissner (meissner@osf.org) + + * mips.md (call_internal): If the memory address to call is really + a constant integer, load it up into $at and do the call from + there. + (call_value_internal): Ditto. + +Fri Sep 18 03:48:17 1992 Tom Wood (wood@dg-rtp.dg.com) + + * m88k.c (m88k_volatile_code): New variable. + (print_operand): Track volatile memory references and output a + serializing instruction before a load when necessary. + * m88k.h (TARGET_SWITCHES): Add -m{no,}serialize-volatile. + (OVERRIDE_OPTIONS): -m88110 and -m88000 imply -mserilize-volatile. + (ADJUST_INSN_LENGTH): Volatile memory operantions may be longer. + (CC_STATUS_INIT): Reset m88k_volatile_code to the unknown state. + * m88k.md (load store patterns): Prepend loads and stores with %V + and %v to track the type and address of the access. + + * m88k.c (m88k_version, m88k_version_0300): New variables. + * m88k.h (TARGET_OPTIONS): Generalize to -mversion-STRING. + (OVERRIDE_OPTIONS): Compute m88k_version_0300. + * m88k.md (call_movstrsi_loop): Renamed from call_block_move_loop. + Use call-value for the block move patterns. + + * m88kdgux.h (PERFERRED_DEBUGGING_TYPE): Compute based on + m88k_version. + (CPU_DEFAULT): Make it -m88000. + + * m88k.h: Don't use #elif + +Fri Sep 18 01:08:55 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * Makefile.in (install-common-headers): Don't copy byteorder.h. + +Thu Sep 17 20:06:22 1992 Brendan Kehoe (brendan@mole.gnu.ai.mit.edu) + + Complete 13th Cygnus<-->FSF merge. + + Thu Sep 17 13:15:15 1992 Brendan Kehoe (brendan@rtl.cygnus.com) + + Do some much-needed housecleaning of the C++ front-end. + * cp-call.c (ideal_candidate): Move `p2' down inside #if 0'd (only) + section that actually uses it. Delete unused variable `buf'. + (build_method_call): Delete unused variable `dtor_specd'. + * cp-class.c (finish_struct): Delete unused variable `basetype'. + * cp-cvt.c (convert_to_aggr): Add missing argument decl for `protect'. + (convert_pointer_to): Delete unused variable `form'. + * cp-decl.c: Include string.h/strings.h for strncpy() decl. + Add decls for init_* fns. Delete unused decl `push_overload_decl_1'. + Don't use `c_function_varargs', C++ doesn't need it. + (push_binding_level): Add missing argument decls for + `tag_transparent' and `keep'. + (lookup_tag): Add missing argument decl for `tags_transparent'. + (lookup_name): Add missing argument decl for `prefer_type'. + (start_decl): Delete unused variables `classname' and `tmpl'. + (grokvardecl): Add missing argument decl for `initialized'. + (grokdeclarator): Delete unused variable `t'. + * cp-decl2.c (get_temp_name): Delete unused variable `temp'. + (finish_table): Delete unused variable `publicp'. + (finish_builtin_type): Add missing argument decl for `len'. + (finish_file): Delete unused variables `asm_out_file' and + `init_function_name'. + * cp-except.c (ansi_exception_object_lookup): Add missing + argument decl for `type'. + (cplus_expand_throw): Delete unused variables `cname', `name', + and `raise_id'. + * cp-init.c: Delete unneeded forward decl of `init_init_processing'. + (build_new): Delete unused variable `alignment'. + (expand_vec_init): Add missing argument decl for `from_array'. + (build_vec_delete): Delete unused variable `rval'. + * cp-input.c (feed_input): Add missing argument decl for `len'. + * cp-lex.c: Delete unused variable `nextlastiddecl'. + (check_newline): Delete unused variable `tmp'. Place `asm_out_file' + inside a conditional for ASM_OUTPUT_IDENT. + (real_yylex): Delete unused variable `typename_scope_in_progress' + and unused labels `relex' and `reswitch'. + * cp-method.c: Include string.h/strings.h for strncpy() decl. + (new_text_len): Deleted. + (dump_type_prefix): Delete unused variables `print_struct' and `name'. + (dump_tyupe): Delete unused variable `print_struct'. + (type_as_string): Delete unused variable `spaces'. + (do_inline_function_hair): Delete unused variable `cname'. + (flush_repeats): Delete unused variable `rval'. + (build_t_desc_overload): Delete unused variable `i'. + (build_opfncall): Add missing argument decl for `flags'. + (hack_identifier): Add missing argument decl for `yychar'. + * cp-parse.y (template_instantiate_once): Delete unused + variables `id' and `members'. + * cp-search.c (lookup_field): Add missing argument decl for `want_type'. + (tree_needs_constructor_p): Add missing argument decl for `i'. + (dfs_debug_mark): Delete unused variable `pending_vtables'. + (dfs_get_vbase_types): Delete unused variable `basetype'. + * cp-spew.c (init_spew): Delete unused variables `pc' and + `chars_following_typename'. + (yylex): Delete unused variables `dk' and `tmp'. Move decl of `t2' down + to the block that actually uses it. + * cp-tree.c (build_cplus_staticfn_type): Delete unused variable `ptype'. + (propagate_binfo_offsets): Delete unused variables `t' and `basetype'. + (layout_basetypes): Delete unused variable `binfo'. + (array_type_nelts_total): Delete unused variable `index_type'. + * cp-tree.h: Add many decls. + * cp-typeck.c (comp_array_types): Add missing argument decl + for `strict'. + (build_compound_expr): Delete unused variable `tmp'. + (convert_for_initialization): Delete unused label `converted'. + + Wed Sep 16 12:51:10 1992 Brendan Kehoe (brendan@rtl.cygnus.com) + + * cp-decl.c (init_decl_processing): Enable code to add sin and cos + as built-in functions. + + * cp-decl.c (duplicate_decls): Enable code to preserve the DECL_UID + of olddecl. + + * cp-search.c (lookup_nested_fields): Make sure we're climbing along + a chain of nested types, and nothing else. + + Tue Sep 15 17:38:34 1992 Brendan Kehoe (brendan@rtl.cygnus.com) + + * cp-search.c (lookup_nested_fields): New function. + * cp-tree.h: Declare it. + * cp-decl.c (lookup_name): Call it if there's no class-local + definition. (It could be nested.) + * cp-lex.c (do_identifier): Call lookup_nested_field() if necessary. + + Tue Sep 15 12:37:16 1992 Brendan Kehoe (brendan@rtl.cygnus.com) + + Mon Aug 24 14:58:02 1992 Chip Salzenberg (chip at animal) + + * cp-typeck.c (build_conditional_expr): Determine constness + and volatility with TREE_... tests instead of TYPE_... tests. + + Mon Sep 14 18:00:35 1992 Chip Salzenberg (chip@tct.com) + + * cp-decl.c (grokdeclarator): Remove redundant (and broken) + test for multiple destructors in a class. + + Fri Jul 31 19:09:10 1992 Chip Salzenberg (chip@tct.com) + + * cp-cvt.c (convert_to_integer): Push truncation inside COND_EXPR. + + Mon Sep 14 17:52:45 1992 Chip Salzenberg (chip@tct.com) + + * cp-class.c (finish_struct): Always write all structure types, + even if they're defined in a "#pragma interface" header file. + Otherwise, XCOFF debugging info is messed up. + + Mon Sep 14 17:39:32 1992 Chip Salzenberg (chip@tct.com) + + * cp-class.c (finish_struct): ``Actually, I don't understand + this code. What is it supposed to do?'' --Niklas Hallqvist + + Mon Sep 14 17:27:23 1992 Chip Salzenberg (chip@tct.com) + + * cp-decl.c (finish_decl): Don't dump core if a decl is anonymous. + A decl is at the global binding level if DECL_CONTEXT is null. + (grokdeclarator): Don't globalize a type if its first mention + is in a parameter. It's okay to initialize a function in a + non-global scope. + + Tue Sep 15 12:15:26 1992 Brendan Kehoe (brendan@rtl.cygnus.com) + + * cp-typeck.c (c_expand_return): Emit a warning when they try to + return the address of a local variable. + + * cp-decl.c (finish_method): Make sure it's indeed nested before + checking for the qualified name. + + Mon Sep 14 18:59:25 1992 Mike Stump (mrs@cygnus.com) + + Wed Sep 2 11:04:24 1992 Chip Salzenberg (chip@tct.com) + + * cp-decl.c (init_decl_processing): Add sin and cos as built-in + functions. Fix type of __builtin_constant_p. + + * cp-lex.c (readescape): For \x, don't include leading 0's in count. + + * cp-typeck.c (build_unary_op): For ADDR_EXPR, just set + TREE_CONSTANT if staticp, but don't clear TREE_CONSTANT. + + Mon Sep 14 18:54:41 1992 Mike Stump (mrs@cygnus.com) + + * cp-parse.y (permanent_obstack): Move to top of file. + + Mon Sep 14 18:50:19 1992 Mike Stump (mrs@cygnus.com) + + Mon Sep 14 16:39:10 1992 Chip Salzenberg (chip@tct.com) + + [ Changes propagated from diffs to c-* in 920911 snapshot. ] + + * cp-decl.c (duplicate_decls): Set DECL_INLINE in newdecl so it + is copied into olddecl. Don't set DECL_EXTERNAL in olddecl. + Preserve DECL_UID and DECL_FRIEND_P of olddecl. + + * cp-typeck.c (build_binary_op_nodefault): Don't assume that a + target integer fits in a HOST_WIDE_INT when checking shift widths. + + Mon Sep 14 18:15:42 1992 Mike Stump (mrs@cygnus.com) + + Mon Aug 24 14:32:03 1992 Chip Salzenberg (chip@tct.com) + + * cp-parse.y (reserved_declspecs): Warn if storage class occurs here. + (declmods): Warn if storage class is not first. + + Mon Sep 14 16:59:53 1992 Brendan Kehoe (brendan@rtl.cygnus.com) + + * cp-method.c (fndecl_as_string): Don't output an extra space when + printing the return type of a function. + + Mon Sep 14 16:01:53 1992 Mike Stump (mrs@cygnus.com) + + Fri Jun 12 18:07:00 1992 Niklas Hallqvist (niklas@appli.se) + + * cp-parse.y (structsp, named_class_head_sans_basetype): Call + overload_template_name in the case of template specializations so + that something like: + + template<class T> struct C { C(); }; + struct C<int> { C(); }; + + works. + + Mon Sep 14 15:51:22 1992 Mike Stump (mrs@cygnus.com) + + Fri Apr 10 13:20:56 1992 Niklas Hallqvist (niklas@appli.se) + + * cp-spew.c (spew_debug): exported this flag for use in cp-decl.c + (template_type_seen_before_scope): new global containing contextual + information for the parser, making the compiler grok nested types in + template classes. + (shift_tokens): Guard bcopy calls against moves of zero size. + (yylex): Handle nested types in template classes. + + * cp-parse.y (scoped_typename): Handle nested types in template + classes. + (template_type): Likewise. + (base_class.1): Likewise. + (member_init): Likewise. + (scoped_baseclass): New rule for handling of nested types in + template classes. + + * cp-decl.c (xref_defn_tag): Conditionalized debug printout on + spew_debug (defined in cp-spew.c). + (binding_levels_sane): void function returned value. + + Mon Sep 14 15:41:28 1992 Mike Stump (mrs@cygnus.com) + + Mon Sep 14 17:26:18 1992 Chip Salzenberg (chip@tct.com) + + * cp-parse.y (unary_expr), cp-call.c (build_scoped_method_call): + NEVER use `maybe_adjust' feature in destructors. It's unsafe. + + Mon Sep 14 15:12:34 1992 Brendan Kehoe (brendan@rtl.cygnus.com) + + * cp-decl.c (finish_method): Complain when a qualifier is used as + part of a member declaration. + + Mon Sep 14 11:47:30 1992 Mike Stump (mrs@cygnus.com) + + * cp-decl2.c (groktypefield): Revert Wed Aug 19 14:47:08 1992 + change as it breaks template constructor declarations. Gez, this + code is horribly complex, and the comments are wrong. Note, + template constructor definitions are broken in the same way, as + declarations were with this patch in. + + Fri Sep 11 14:09:01 1992 Mike Stump (mrs@cygnus.com) + + Fri Sep 11 10:34:45 PDT 1992 Ron Guilmette (rfg at netcom.com) + + * cp-decl.c (duplicate_decls): For file-scope redefinitions, note + that the variable was previously *defined* at some specific (earlier) + point. + + Fri Sep 11 13:49:55 1992 Mike Stump (mrs@cygnus.com) + + Tue Sep 8 21:39:35 PDT 1992 Ron Guilmette (rfg at netcom.com) + + * cp-decl2.c (finish_file): Don't pass `1's as the `functionbody' + flag to `poplevel' when getting ready to finishing up the per- + compilation-unit constructors and destructors. + + Fri Sep 11 13:28:02 1992 Mike Stump (mrs@cygnus.com) + + * cp-decl.c (grokdeclarator): Upgrade local externs with + initializations to be errors, instead of warnings. + + Fri Sep 11 13:03:52 1992 Mike Stump (mrs@cygnus.com) + + Thu Sep 10 09:40:56 PDT 1992 Ron Guilmette (rfg at netcom.com) + + * cp-decl.c (grokdeclarator): Given an error if *either* a `static' + or an `extern' specifier is attached to a defining declaration of a + static data member. + + Wed Sep 9 19:46:43 1992 Mike Stump (mrs@cygnus.com) + + * c++: Makes sure echo -nostdinc does not eat the -nostdinc. + + Tue Sep 8 13:42:35 1992 Brendan Kehoe (brendan@rtl.cygnus.com) + + * cp-typeck.c (common_type, case FUNCTION_TYPE): An empty argument + list is represented as a void_type_node; make sure we check for + that, and not just an empty TYPE_ARG_TYPES list on either side. + + Tue Sep 8 02:31:05 1992 Mike Stump (mrs@cygnus.com) + + * cp-tree.c (layout_basetypes, make_binfo): Added support for + debugging information about virtual base class pointers. + + Mon Sep 7 15:34:58 1992 Brendan Kehoe (brendan@rtl.cygnus.com) + + * cp-decl2.c (temp_name_p): Deleted function, never used anywhere. + + Sun Sep 6 23:09:29 1992 John F Carr (jfc at Athena.MIT.EDU) + + * cp-typeck.c (convert_arguments): Ignore arguments which are + ERROR_MARK_NODE to avoid crashes trying to reference fields which + are not present. + + Mon Sep 7 12:34:09 1992 Brendan Kehoe (brendan@rtl.cygnus.com) + + * cp-decl.c (clear_anon_tags): Do assignment of B after we've seen + if we're to work on an anonymous aggregate. No need to make the + assignment for nearly every aggr we ever declare. + + Sun Sep 6 17:51:47 1992 Mike Stump (mrs@cygnus.com) + + Sun Sep 6 13:12:16 1992 John Carr (jfc@Athena.MIT.EDU) + + * cp-decl.c (pushdecl, finish_decl, store_return_init, + finish_function), cp-decl2.c (constructor_name, finish_file), + cp-except.c (cplus_expand_reraise), cp-init.c (emit_base_init, + expand_aggr_init_1), cp-typeck.c (build_modify_expr, + c_expand_asm_operands, c_expand_return): Include rtl.h and eliminate + unneeded casts. + + * cp-decl2.c (grokbitfield): Use NULL_TREE instead of NULL. + + * cp-decl2.c (finish_file): Don't try and not use stdio.h. + + * cp-except.c (cplus_expand_reraise): emit_move_insn takes 2 + arguments, not three. + + Sat Sep 5 12:04:06 1992 Brendan Kehoe (brendan@rtl.cygnus.com) + + * cp-decl.c (finish_function): Undo change of Mon Aug 17 16:28:48 + 1992; it resulted in lots of unnecessary and incorrect warnings. + + * cp-lex.c (do_identifier): For nested classes, check if a variable + being sought is actually in the scope of an enclosing class. If it + is, and the variable's non-static, bail. + + * cp-decl.c (grok_enum_decls): Tighten up some code that was pretty + twisty. + + * cp-class.c (start_struct): Delete; it was #if 0'd out anyway (C++ + doesn't need it), and is an old hold-over from c-decl.c. + + * cp-class.c (minus_one_node): Delete, it's not used. + (init_class_processing): Delete init of minus_one_node. + + * cp-spew.c (yylex): Check return of resolve_scope_to_name to + be NULL_TREE. + (frob_identifier): Likewise. + (hack_more_ids): Likewise. + + * cp-cvt.c (convert_to_real): Use REAL_VALUE_ATOF to make 0. + + Fri Sep 4 19:23:17 1992 Mike Stump (mrs@cygnus.com) + + * cp-decl.c (grok_ctor_properties): When looking for copy + constructors, ignore the first argument since it is the in$chrg + parameter for the object to copy from. + + Fri Sep 4 14:35:31 1992 Mike Stump (mrs@cygnus.com) + + * cp-cvt.c (build_up_reference): Prevent the compiler from dumping + core on semantic errors. + +Thu Sep 17 17:28:13 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * c-typeck.c (initializer_constant_valid_p): Warn about address + arithmetic destined for a type that's too narrow. + New argument ENDTYPE. + + * limitx.h: Don't include-next if _LIBC_LIMITS_H_ defined. + +Thu Sep 17 20:45:16 1992 Paul Eggert (eggert@twinsun.com) + + * cexp.y (parse_escape): Diagnose '\x' with no digits. + Diagnose integer overflow when parsing \x escapes. + +Thu Sep 17 11:52:53 1992 Michael Meissner (meissner@osf.org) + + * gcc.c (SIGNED_CHAR_SPEC): Use #if rather than ?: in default defn. + +Thu Sep 17 14:53:51 1992 Tim Moore (moore@defmacro.cs.utah.edu) + + * pa.h (FUNCTION_ARG_ADVANCE, FUNCTION_ARG): Fix double integer + argument alignment. + (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE, WCHAR_SIZE): Define. + * pa-hpux.h, pa-ghpux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE, + WCHAR_SIZE): Define for hpux. + * x-pa, t-pa : New files. + * configure (hppa cases): add definitions for xmake_file and + tmake_file. + +Wed Sep 16 22:22:15 1992 James Van Artsdalen (james at bigtex.cactus.org) + + * i386.c (print_operand): Don't abort if error: might have been a + user asm. + + * i386.md (addsi3,ashlsi3): Handle the case where the stack + pointer appears as an index reg. + +Wed Sep 16 21:22:23 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * cse.c (fold_rtx): For SUBREG, actually test subreg_lowpart_p in the + code to handle narrowing subregs. And exclude binary ops like DIV + where truncating the args is not valid. + + * libgcc2.c (__CTOR_LIST__, __DTOR_LIST__): Moved to separate member. + * Makefile.in (LIB2FUNCS): Added _ctors. + +Wed Sep 16 23:28:41 1992 Paul Eggert (eggert@twinsun.com) + + * cexp.y (parse_number): Warn about '9' in octal constants. + Commonize overflow detection for various radices. + +Wed Sep 16 19:33:37 1992 Torbjorn Granlund (tege@mole.gnu.ai.mit.edu) + + * pa.md (casesi): Use emit_jump_insn to emit casesi0 pattern. + (xorsi3): Remove `r' from output template. + (movstrsi recognizer): Add `+' to operand 0 & 1 constraints. + +Wed Sep 16 14:53:51 1992 Michael Meissner (meissner@osf.org) + + * mips.h (MIPS_VERSION): Set Meissner version # to 25. + + * mips.c (gen_int_relational): Eliminate all vestiages of + figuring out whether the comparison will always be true or false. + Let the optimizer figure it out. + (gen_conditional_branch): Ditto. + (function_epilogue): Print correct number of half-pic pointers + and references. + (prev_half_pic_refs): New static variable. + (prev_half_pic_ptrs): New static variable. + +Tue Sep 15 16:10:47 PDT 1992 Ron Guilmette (rfg at netcom.com) + + * toplev.c (rest_of_decl_compilation): Call `dwarfout_file_scope_decl' + immediately for actual *definitions* of file-scope variables (and + file-scope typedefs too). + +Tue Sep 15 20:56:31 1992 Jim Wilson (wilson@wookumz.gnu.ai.mit.edu) + + * fixincludes (EXINIT): Clear it to avoid problems with bad values. + * fixinc.svr4 (EXINIT): Likewise. + + * print-tree.c (print_node): Don't print blank line for null + fields in a TREE_VEC. + + * cccp.c (macroexpand): Don't output another error message if have + already output error message returned from macarg. + + * c-decl.c (grokparms): Copy parm list if it isn't permanent, + instead of copying it if temporary allocation has been turned off. + + * final.c (only_leaf_regs_used): Check for global_regs. + + * c-parse.y (typespec): Don't warn if pedantic when typeof used. + + * c-tree.h (lang_identifier): Add limbo_value field for out of + scope block level extern declarations. + (IDENTIFIER_LIMBO_VALUE): New define, to access that field. + * c-decl.c (print_lang_identifier): Print value of limbo field. + (pushdecl): Check an extern decl against both previous global and + previous limbo declarations. For global declarations, clear limbo + value field. For block level extern declarations, set limbo field + if zero. + (grokdeclarator): If this is a block level extern, then allocate + it on the permanent obstack, not the temporary obstack. + +Tue Sep 15 15:42:24 1992 Paul Eggert (eggert@twinsun.com) + + * tree.c (int_fits_type_p): Negative ints never fit unsigned + types, and unsigned ints with top-bit-set never fit signed types. + * c-lex.c (yylex): Integer constant is unsigned for purposes of + int_fits_type_p so that it compares huge constants properly. + +Tue Sep 15 14:44:51 1992 Michael Meissner (meissner@osf.org) + + * i386.md (string move, string compare): Always issue cld + instruction before doing a rep string move, so that we are + guaranteed that the bytes are moved/compared correctly. + +Tue Sep 15 00:09:06 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * gstdarg.h: (va_arg): Cast ptr to void *, then to TYPE *. + * va-i960.h, va-m88k.h, va-mips.h, va-pa.h, va-pyr.h, va-sparc.h: + Likewise. + + * rtl.c (ftell): Declaration deleted. + +Mon Sep 14 15:17:09 1992 Michael Meissner (meissner@osf.org) + + * configure (arg processing): Add --with-stabs switch. + (all mips configurations, except decrose): If --with-stabs, use + the configuration file that emits stabs as the debug debug + configuration, rather than the native MIPS ECOFF format. + +Mon Sep 14 13:28:29 1992 Torbjorn Granlund (tege@jupiter.sics.se) + + * configure (option case statement): Index with `$next_arg' instead + of `next_arg'. Clean up order and indentation for switches. + (several places): Remove space around assignment `='. + (usage printing): Don't use `-n' for echo (SysV lossage). + Print config.status with `tail +2'. + +Mon Sep 14 23:46:19 1992 Paul Eggert (eggert@twinsun.com) + + * c-lex.c (yylex): Warn about integers so large that they are unsigned. + + * cexp.y (parse_number): Diagnose integer constants that are too large. + Diagnose duplicate `l' and `u' suffixes. Diagnose ` 0x ' and ` 0a '. + Warn about integer constants that are so large that they are unsigned. + +Mon Sep 14 10:26:34 1992 Charles Hannum (mycroft@hal.gnu.ai.mit.edu) + + * reload1.c (init_reload): Fix typo in last change. + +Mon Sep 14 01:17:58 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * reload1.c (init_reload): For reg+reg+const, try various regs. + +Sun Sep 13 01:08:06 1992 Paul Eggert (eggert@twinsun.com) + + * cexp.y (exp): Detect signed integer overflow. + Replace `(unsigned)' with `(unsigned long)'. When + evaluating << and >>, compute the correct answer without shifting + by more than HOST_BITS_PER_LONG, or by a negative quantity. + (integer_overflow, left_shift, right_shift): New functions. + +Sun Sep 13 02:00:52 1992 Torbjorn Granlund (tege@jupiter.sics.se) + + * arm.md: Clean up indentation. + + * pa.c (output_load_address): Removed. Nothing uses it. + * pa.md (high:DI recognizer): Add return \"\". + * pa.md (sCC, bCC expanders): Remove constraints. + * pa.md (and-with-immediate optimizer): New pattern. + * pa.md (ior-with-immediate optimizer): New pattern. + * pa.c (consec_zeros_p, and_operand, ior_mask_p, ior_operand, + output_and, output_ior): New functions. + * pa.h (output_and, output_ior): Declare. + * pa.h (CONST_OK_FOR_LETTER_P): Add 'O' and 'P'. + * pa.c (compute_xdepi_operands_from_integer): New function. + Some code come from output_zdepi. + (output_zdepi): Removed. + (depi_cint_operand): New name for zdepi_operand. + * pa.md (adddi3): Extend to handle CONST_INT. + * pa.md (movstrsi): Change `!= 4' => `< 4' in test for alignment. + * pa.md (negsi2): Don't use @ for just one output template. + * pa.md (and-not patterns): Make them canonical. Put operands in + the right order. + * pa.md (casesi): Rewrite. Used to be buggy and slow. + * pa.md (several patterns): Make sure # of attribute alternatives + match # of constraint alternatives. + Return assembler output template instead of calling output_asm_insn. + Don't write to operands[n] for n >= max operand number in the + pattern, use xoperands instead. + +Sat Sep 12 15:06:57 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * regclass.c (record_reg_classes): + Ignore leading % when examining constraint. + Don't bypass usual cost computation when a pseudo "matches" + a non-pseudo in matching operands. + + * c-lex.c (yylex): If integer value overflows so highword is negative, + it needs unsigned long long. + +Fri Sep 11 21:09:53 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * sys-types.h (va_alist): Supply `int' as the type to define it as. + +Fri Sep 11 12:39:39 1992 Jeffrey A. Law (law@schirf.cs.utah.edu) + + * pa.md (non-[cf]branch define_delay): Use a single delay description + for the delay slots in "branch", "call", and "milli" insns. + (fbranch define_delay): fbranches have a single delay slot which + may be nullified when the branch is taken (regardless of direction + or distance to the target.) + (in_branch_delay attribute): Disallow fbranch insns explicitly. + (floating point branches): Use "fbranch" attribute for these insns. + Update output template to properly handle nullification. + +Fri Sep 11 10:34:45 PDT 1992 Ron Guilmette (rfg at netcom.com) + + * c-decl.c (duplicate_decls): For file-scope redefinitions, + error message distinguishes previous definitions from mere decls. + +Fri Sep 11 01:07:11 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * c-convert.c (convert_to_integer): Don't pass truncation thru lshift + if shift count >= width of narrower type. Instead, just use 0. + + * we32k.h (SIZE_TYPE): Defined. + +Fri Sep 11 00:03:45 1992 Paul Eggert (eggert@twinsun.com) + + * c-decl.c (finish_struct): Don't assume that a target integer + fits in a HOST_WIDE_INT when checking bit-field widths. + * c-typeck.c (build_binary_op): Likewise, when checking shift widths. + +Thu Sep 10 22:23:10 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * optabs.c (expand_binop): + Convert op1 of shift libcall to word_mode. + +Thu Sep 10 18:14:36 1992 Tim Moore (moore@defmacro.cs.utah.edu) + + * final.c (shorten_branches): Do shorten branches with delay slots + if the number of delay slots is constant. + * genattrtab.c (write_const_num_delay_slots): New function; + creates const_num_delay_slots (). + (main): Call it. + * genattr.c (main): Write declaration for const_num_delay_slots (). + +Thu Sep 10 17:33:42 1992 Michael Meissner (meissner@osf.org) + + * mips.md (all move patterns): Do not allow memory to memory or + non-zero constant to memory moves to be generated, which causes + reload to generate the load/store using spilled registers, and + does not allow for efficient CSE or scheduling to be done. + + * dec-gosf1.h, iris4g.h: New files. + +Thu Sep 10 12:46:17 1992 Torbjorn Granlund (tege@jupiter.sics.se) + + * pa.md (casesi): Add `&' to constraint for clobber operand. + + * optabs.c (expand_binop): Fix typo, `mode' => `methods'. + +Thu Sep 10 00:21:05 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * optabs.c (expand_binop): Delete #ifdef GPC; complex code now uncond. + + * optabs.c (init_fixtab): Fix typo for fix_truncdfqi2. + +Wed Sep 9 13:25:53 PDT 1992 Ron Guilmette (rfg at netcom.com) + + * c-common.c (declare_function_name): Allow for anonymous function. + +Wed Sep 9 15:56:09 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * Makefile.in (mostlyclean): Delete xlimits.h. + + * final.c (output_addr_const): + If 2nd arg of MINUS is negative integer, put it in parens. + +Wed Sep 9 10:10:30 1992 Michael Meissner (meissner@osf.org) + + * va-mips.h (va_arg): Handle structures larger than 8 bytes. + (all macros): Put __ in front of all macro arguments. + +Wed Sep 9 00:45:02 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * sol2-crt1.asm (.nope): Really store into environ. + + * libgcc2.c (__gcc_bcmp): New function, in cond on L__gcc_bcmp. + * Makefile.in (LIB2FUNCS): Add L__gcc_bcmp. + + * expr.c (expand_expr): Support IN_EXPR. + +Tue Sep 8 20:04:43 1992 Paul Eggert (eggert@twinsun.com) + + * c-convert.c (convert_to_integer): When optimizing LSHIFT_EXPR and + RSHIFT_EXPR, do compares at tree level. + + * tree.c (build_index_type, build_index_2_type): Don't pass + HOST_WIDE_INT to routine expecting an int. Don't pass negative + value even if hash code is INT_MIN. + +Tue Sep 8 17:35:51 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * dbxout.c (dbxout_type_fields): Handle nameless subrecords for Pascal. + (dbxout_type): Handle CHAR_TYPE, BOOLEAN_TYPE. FILE_TYPE, SET_TYPE. + + * news.h (ASM_OUTPUT_OPCODE): Deleted. + + * c-parse.y (stmt): In for stmt, put proper lineno before increment. + Don't call position_after_white_space. + +Tue Sep 8 06:31:17 1992 Michael Meissner (meissner@osf.org) + + * cp-typeck.c (constant_print_warning): Deleted. + +Tue Sep 8 05:26:19 1992 Mike Stump (mrs@hal) + + Tue Aug 18 23:56:16 1992 Ron Guilmette (rfg at netcom.com) + + * tree.h (BINFO_VPTR_FIELD): Added to support debugging + information about virtual base class pointers. + +Mon Sep 7 19:39:45 1992 Brendan Kehoe (brendan@cygnus.com) + + * c-typeck.c (constant_print_warning): Deleted. + * c-common.c: Moved here. + +Mon Sep 7 17:03:07 1992 Paul Eggert (eggert@twinsun.com) + + * fold-const.c (fold): Check abs for constant integer overflow. + +Mon Sep 7 01:31:42 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * c-common.c (check_case_value): Call constant_expression_warning. + + * cse.c (simplify_binary_operation): For DIV by 0, do nothing. + + * c-decl.c (duplicate_decls): Set DECL_INLINE in newdecl + so it is copied into olddecl. + +Sun Sep 6 08:53:46 1992 Fred Fish (fnf at fishpond) + + * m68k.md (fsglmul pattern): If FSGLMUL_USE_S, opcode has .s, not .x. + * amix.h (FSGLMUL_USE_S): Defined. + +Sun Sep 6 17:42:33 1992 Jeffrey A. Law (law@schirf.cs.utah.edu) + + * pa.md (indirect_jump): Annul the next instruction if the delay + slot could not be filled instead of emitting a nop. + + * pa.c (output_function_prologue): Undo Aug. 13 change. + If profiling, then this function makes calls. Reflect this in + CALLINFO. + (output_function_epilogue): If profiling, then be restore "rp" here. + + * pa.md (use_milli_regs attribute): Deleted, not necessary anymore. + All references deleted. + * pa.c (use_milli_regs): Deleted. + +Sun Sep 6 17:11:00 1992 Torbjorn Granlund (tege@jupiter.sics.se) + + * arm.h (MOVE_MAX): Define as 4. + + * ns32k.c (hard_regno_mode_ok): Don't abort if unknown mode, + return 0 instead. Declare argument MODE as `enum machine_mode'. + + * i860.h (HARD_REGNO_MODE_OK): Allow BLKmode. + +Sun Sep 6 16:57:12 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * expr.c (init_expr_once): Don't try HARD_REGNO_MODE_OK on VOIDmode + or BLKmode. + +Sun Sep 6 14:27:57 1992 Michael Meissner (meissner@osf.org) + + * cp-typeck.c (constant_expression_warning): New fn from c-typeck.c. + +Sun Sep 6 09:11:46 PDT 1992 Ron Guilmette (rfg at netcom.com) + + * c-decl.c (duplicate_decls): Don't set DECL_EXTERNAL in olddecl. + Preserve DECL_UID of olddecl. + +Sun Sep 6 03:37:21 1992 James Van Artsdalen (james at bigtex.cactus.org) + + * i386.md (cmpstrsi): Rewrite expander to handle operands correctly. + +Sat Sep 5 22:55:53 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * combine.c (try_combine): Make change missing from last modification + to splitting code. + +Sat Sep 5 19:21:03 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * stor-layout.c (layout_type): Caller must give size of FILE_TYPE. + +Sat Sep 5 16:34:50 1992 Torbjorn Granlund (tege@jupiter.sics.se) + + * arm.c (before functions): Remove xmalloc decl. + (arm_asm_output_label): Cast value from xmalloc. + + * arm.md (storehi): Use match_operand for operand 0. + Use gen_lowpart to change mode of operand 0. + (storeinthi): Use match_operand for operand 0. + Change output code to reassign operand 0. + (truncsihi2, truncsiqi2, trunchiqi2): Remove these patterns. + +Sat Sep 5 02:39:37 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * news.h (ASM_OUTPUT_OPCODE): Defined. + +Sat Sep 5 18:52:21 1992 Jukka Virtanen (jtv@kampi.hut.fi) + + * stor-layout.c (layout_type): Handle BOOLEAN_TYPE, CHAR_TYPE, + and FILE_TYPE for Pascal. + (fixup_signed_type): New function. + + * optabs.c (init_optabs): Use __gcc_bcmp, not real bcmp. + (expand_unop): Handle NEG for complex modes. + (expand_binop): Likewise. + (expand_complex_binop): New function. + + * expr.c (emit_move_insn): When moving word by word, + mark the whole thing as a libcall block. + (group_insns): New function. + (expand_expr): + Implement COMPLEX_EXPR, REALPART_EXPR, IMAGPART_EXPR, CONJ_EXPR. + + * print-tree.c (print_node): Handle BOOLEAN_TYPE and CHAR_TYPE. + * emit-rtl.c (gen_highpart): New function. + +Fri Sep 4 23:20:59 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * i860.md (mulsi3_big): Use low half of result. + Use offset 1 in subregs in actual fmlow insn. + (fmlow pattern): Split this into alternatives for big and little end. + + * regclass.c (record_reg_class): For matching operands, handle + case where the earlier one is not a pseudo like the case + where the later one is not a pseudo. + +Fri Sep 4 17:24:11 1992 Torbjorn Granlund (tege@jupiter.sics.se) + + * pa.c (output_move_double): Use %R to store at auto-incr/decr + addr. Split incr and decr cases for store. + +Fri Sep 4 03:49:05 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * gcc.c (main): No program should return the error_count! + Return 2 if failure due to signal, 1 if just errors. + (execute): Increment signal_count. + + * move-if-change: Undo previous change. + + * c-decl.c (grokparms): Copy arg type list to savable obstack if nec. + +Fri Sep 4 19:40:32 1992 Paul Eggert (eggert@twinsun.com) + + * c-typeck.c (constant_expression_warning): Now works; + it reports signed integer overflow in constant expressions, + + * fold-const.c (left_shift_overflows, same_sign, overflow_sum_sign): + New macros. + (add_double, div_and_round_double, lshift_double, mul_double, + neg_double, const_binop, fold): Check for signed integer overflow. + Propagate overflow flags from operands to result. + (const_binop, fold_convert): Use pedwarn for overflow warnings. + Say `constant expression', not `constant folding', for user's sake. + +Thu Sep 3 22:28:41 1992 Brendan Kehoe (brendan@mole.gnu.ai.mit.edu) + + Complete 12th Cygnus<-->FSF merge. + + Thu Sep 3 12:29:24 1992 Brendan Kehoe (brendan@cygnus.com) + + These changes are propagated from changes to c-*.c. + + Mon Aug 17 16:28:48 1992 Chip Salzenberg (chip@tct.com) + + * cp-decl.c (finish_function): Test only can_reach_end for the + warning about reaching the end of a non-void function. + (grokdeclarator): When promoting an argument, retain unsignedness + if traditional or if promoted type is not really getting wider. + + * cp-parse.y (datadef): For empty declaration, use pedwarn. + + Mon Aug 17 17:08:11 1992 Chip Salzenberg (chip@tct.com) + + * cp-cvt.c (convert): When converting to variant of same type, fold. + + Wed Aug 19 16:58:41 1992 Chip Salzenberg (chip@tct.com) + + * cp-typeck.c (default_conversion): Convert enumeral types to + appropriate _signed_ type unless -traditional. + + Tue Aug 4 13:11:36 1992 Chip Salzenberg (chip@tct.com) + + * cp-cvt.c (convert): If main variants match, + but the type is not identical, make a NOP_EXPR. + + * cp-decl.c (warn_redundant_decls): Declared. + (duplicate_decls): Optionally warn about redundant declations. + (pushdecl): Never reuse global fcn decl in place of local extern; + just copy some info from it. + (init_decl_processing): __builtin_saveregs returns void *. + (store_parm_decls, finish_function, start_method, finish_method): + Compare TYPE_MAIN_VARIANT against void_type_node. + + * cp-decl2.c (warn_redundant_decls): Defined. + (lang_decode_option): Decode -Wredundant-decls. + + * cp-typeck.c (build_conditional_expr): Don't use type1 as + temporary variable; set result_type directly. + + Tue Aug 4 12:04:17 1992 Chip Salzenberg (chip@tct.com) + + * cp-tree.h (C_PROMOTING_INTEGER_TYPE_P): Defined. + * cp-class.c (finish_struct): Use it. + * cp-decl.c (duplicate_decls, grokdeclarator): Ditto. + (grokparms, start_function): Ditto. + * cp-typeck.c (self_promoting_args_p, default_conversion): Ditto. + * cp-parse.y (primary): Set TREE_CONSTANT in the NOP_EXPR for an enum. + + Tue Aug 4 09:17:32 1992 Chip Salzenberg (chip@tct.com) + + * cp-decl.c (duplicate_decls, grokdeclarator, grokparms): + Use TYPE_MAIN_VARIANT when comparing against specific types. + (build_enumerator): Use STRIP_TYPE_NOPS. + (start_function): Force main() to return "int", not just any + integral type. + + * cp-typeck.c (self_promoting_args_p, default_conversion): + Use TYPE_MAIN_VARIANT when comparing against specific types. + (unsigned_type, signed_type): If type is not known, return it + unchanged instead of returning its TYPE_MAIN_VARIANT. + (build_binary_op_nodefault): Use TYPE_MAIN_VARIANT when + comparing against specific types. Also use STRIP_TYPE_NOPS. + Also copy error messages from equivalent code in c-typeck.c. + + * cp-parse.y (primary): Wrap a NOP_EXPR around an enum value. + + Wed Sep 2 18:06:47 1992 Mike Stump (mrs@cygnus.com) + + Wed Sep 2 17:33:59 1992 Chip Salzenberg (chip@tct.com) + + * cp-decl.c (grokdeclarator): Default friends to being PUBLIC. + + Tue Sep 1 12:33:01 PDT 1992 Ron Guilmette (rfg at netcom.com) + + * cp-init.c (do_friends): Always return `void_type_node'. + + * cp-decl.c (grokparms): Call digest_init on default arguments for + formal parameters. + + * cp-decl.c (xref_tag): The BINFO records describing individual + inheritances aren't shared in the lattice. + + Tue Sep 1 12:27:17 1992 Mike Stump (mrs@cygnus.com) + + * cp-call.c (convert_harshness, compute_conversion_costs): The + READONLY flag for a const object could be down in the type of the + reference. + + * cp-call.c (compute_conversion_costs): Don't ignore the cost of + converting the first argument, if it is not a method. Fixes Mon Aug + 31 22:32:34 change. + + Tue Sep 1 11:58:52 1992 Mike Stump (mrs@cygnus.com) + + * cp-tree.h (THIS_NAME): Use the name ``this'' instead of the more + cryptic name ``$t''. + + Mon Aug 31 22:32:34 1992 Mike Stump (mrs@rtl.cygnus.com) + + * cp-init.c (build_member_call): When forming method calls that use + a qualified name, convert the instance pointer to the type implied + by the qualification. Base::member_func(); converts this to be a + (Base *). + + * cp-call.c (compute_conversion_costs): Don't penalize conversion + of the instance pointer on method calls, as they could be pointers + to base classes. + + Mon Aug 31 18:34:33 1992 Brendan Kehoe (brendan@rtl.cygnus.com) + + * cp-decl.c (start_function): When a friend function is being + defined, put it in (lexical) scope of the class in which it appears. + + Mon Aug 31 09:57:27 1992 Brendan Kehoe (brendan@rtl.cygnus.com) + + * cp-typeck.c (build_modify_expr): For assignments to member + variables like "X::i", call resolve_offset_ref to get the lhs; all + the code and checking was in there, it just wasn't being used. + + * cp-class.c (finish_struct_methods): Give the name of the class + in question when reporting that all its member functions are + private. + + Sun Aug 30 08:34:03 1992 Mike Stump (mrs@rtl.cygnus.com) + + * cp-decl2.c (setup_vtbl_ptr): Disable the code, until problems can + be worked around. + + Sat Aug 29 10:34:10 1992 Mike Stump (mrs@rtl.cygnus.com) + + * cp-init.c (emit_base_init): Undo Sat Jan 18 12:06:58 change by + tiemann that incorrectly makes -pedantic initialization of virtual + base classes 1 or more levels deep impossible. + + Sat Aug 29 10:03:07 1992 Mike Stump (mrs@rtl.cygnus.com) + + * cp-class.c (finish_struct): Allow extern "C" functions to be + friends. + + Sat Aug 29 04:43:22 1992 Mike Stump (mrs@rtl.cygnus.com) + + * cp-parse.y (used_extern_spec), cp-decl.c (start_decl, + start_function): Make sure extern in extern "C" (fndef | datadef) + applies to only one decl. Fixes problem introduced on Thu Aug 20 + 16:11:58. + + Thu Aug 27 09:33:13 1992 Brendan Kehoe (brendan@cygnus.com) + + * cp-decl.c (grokdeclarator): Name operators properly when + complaining about trying to declare it as a method when not in a + class. + + * cp-decl.c (grok_reference_init): Forbid volatile->const refs, + and vice-versa. Also make the tests apply to all types, not just + aggregates. (Now fully compliant with ANSI C++ June 5 1996 WP + section 8.4.3.5.) + + * cp-decl.c (shadow_tag): Don't allow a function to be a member of + an anonymous union. + + * cp-class.c (finish_struct): For a type that's nested within a + class, use the class value itself when checking a typedef that uses + that new nested type. + + Wed Aug 26 20:24:07 1992 Brendan Kehoe (brendan@cygnus.com) + + * cp-decl.c (decls_match): When converting from a + pseudo-METHOD_TYPE for a static member fn, handle the static + function being both in the new and old declarations. + (revert_static_member_fn): New function. + + * cp-call.c (build_method_call): Put out proper line number for + error with the use of a private constructor. + + * cp-decl.c (grokdeclarator): If a storage class is erroneously + specified for an operator, print the operator's name out properly in + the error message (e.g., print `+' instead of `__pl'). + + * cp-decl.c (grokdeclarator): Allow neither constructors nor + destructors to be declared const or volatile. + + * cp-decl.c (grok_op_properties): New argument VIRTUALP. + Use it to disallow declaring new or delete as virtual. Also + use coerce_new_type() and coerce_delete_type() to + sanity-check overloading of new and delete. + (grokfndecl): Give grok_op_properties if the decl is virtual. + (start_method): Likewise. + + * cp-tree.c (lvalue_p, ADDR_EXPR case): Casts to references are + lvalues. + +Thu Sep 3 02:46:44 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * caller-save.c (setup_save_areas): Don't look at WORDS_BIG_ENDIAN. + + * fixincludes: If we find a link pointing to ., make a similar + link to ., not a link to an absolute name. + (stdio.h): Change stdio.h to use stdarg.h to get va_list. + + * cexp.y: Comment syntax fix. + +Thu Sep 3 01:48:16 1992 Torbjorn Granlund (tege@jupiter.sics.se) + + * we32k.md (casesi): Use match_dup for second mention of operand 4. + +Wed Sep 2 06:58:32 1992 Michael Meissner (meissner@osf.org) + + * gcc.c (default_compilers): Add missing comma between strings, so + that traditional compilers can compile gcc.c. + (main): Don't pass strcpy or strlen a NULL pointer if some of the + spec strings in default_compilers are NULL. + (validate_all_switches): Don't dereference a NULL pointer if some of + the spec strings in defalut_compilers are NULL. + + * gcc.c (main): Use new loop var J to avoid conflict with I. + +Wed Sep 2 19:09:02 1992 Jeffrey A. Law (law@schirf.cs.utah.edu) + + * caller-save.c (init_caller_save): If we were unable to + find a simple insn which meets all its constraints to save + and restore with a single insn in a mode, then set + regno_save_mode to VOIDmode to insure that this mode is never + used to caller-save the current register. + +Wed Sep 2 12:34:39 1992 Jim Wilson (wilson@wookumz.gnu.ai.mit.edu) + + * caller-save.c (insert_save_restore): Correct test for + determining whether multiple registers can be saved. + + * sparc.md (SImode ldd peepholes): Add `f' to constraints. + + * sparcv4.h (HANDLE_PRAGMA): Delete. + * sparc.c (handle_pragma_token): Delete. + + * config/spc-sol2.h: Change the location of the Sun bundled C + compiler in MD_STARTFILE_PREFIX (for backup defaults). + +Wed Sep 2 09:11:16 1992 Tom Wood (wood@dg-rtp.dg.com) + + * m88k.h (MOVE_MAX): Express in bytes not bits. + + * m88k.c (output_ascii): Output known escape characters and don't + terminate the constant if an octal escape is used. + +Wed Sep 2 06:38:37 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * combine.c (make_compound_operation, case ASHIFTRT): Add new + code to handle (ashiftrt (neg (ashift FOO C1) C2)) just like we + currently handle (ashiftrt (OP (ashiftrt FOO C1) C2) C2). + +Wed Sep 2 00:15:42 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * Makefile.in (install): Add semicolon to make an empty command. + + * reload.c (find_reloads): If have any earlyclobbers, don't let any + reloads overlap with them. Make everything RELOAD_OTHER. + + * move-if-change: Give status 1 if file is unchanged. + + * Makefile.in (SYSTEM_HEADER_DIR): New variable. + (xlimits.h): New target, broken out from install-limits-h. + Look in SYSTEM_HEADER_DIR for system's limits.h. + (start.encap): Dep on xlimits.h. + (install-limits-h): Install xlimits.h already made. + * cross-make (SYSTEM_HEADER_DIR): Overridden. + + * x-i386sco (X_CFLAGS): Deleted. + * x-i386sco4: New file, like old x-i386sco. + * configure (i386-*-sco3.2v4*): Use x-i386sco4. + + * t-sol2 (gmon.o): Find gmon-sol2.c in config. + + * c-typeck.c (process_init_constructor): Fix bugs in previous change. + +Tue Sep 1 23:51:19 1992 Brendan Kehoe (brendan@rtl.cygnus.com) + + * gcc.c (default_compilers, ".C" and ".ii"): Pass `+e*' into cc1plus. + (process_command): Allow +e[012] to be passed down into cc1plus. + * cp-decl.c (lang_decode_option): The options `+e0' thru `+e2' will + be coming in prefixed as `-+e'. + +Tue Sep 1 20:09:29 1992 Paul Eggert (eggert@twinsun.com) + + * print-tree.c (print_node): Avoid 1 << (HOST_BITS_PER_INT - 1), + which overflows. Use unsigned % to compute HASH. + +Tue Sep 1 17:23:28 1992 Tim Moore (moore@hal) + + * pa.h (CPP_SPEC, TARGET_SWITCHES): new flags: -mnosnake, + -mpa-risc-1-0, -mpa-risc-1-1. + (ASM_DECLARE_FUNCTION_NAME): Emit argument descriptors for all + general registers if current_function_varargs. + +Tue Sep 1 11:27:08 1992 Brendan Kehoe (brendan@rtl.cygnus.com) + + * sparc.c (handle_pragma_token): Only use if HANDLE_SYSV_PRAGMA + isn't defined. (We'll be getting the fn from c-pragma.c, then.) + +Sat Aug 29 13:44:21 PDT 1992 Ron Guilmette (rfg at netcom.com) + + * tree.h (current_block): Decl deleted. + (set_block): Declared. + * stmt.c (expand_fixup): Create a BLOCK node (via pushlevel/poplevel) + to represent an artificial scope containing all of the fixup code. + Also emit NOTE_INSN_BLOCK_BEG/NOTE_INSN_BLOCK_END for that block. + (fixup_gotos): Declaration of NEWBLOCK deleted. + Call `set_block' to use the BLOCK made in expand_fixup. + Deleted code to insert NEWBLOCK into block hierarchy. + * c-decl.c, cp-decl.c (current_block): Function deleted. + (set_block): New function. + (poplevel): If using a previously created block, + don't insert it into the parent level. + * emit-rtl.c (emit_insns_after): Update last_insn if nec. + +Tue Sep 1 10:53:58 1992 Torbjorn Granlund (tege@jupiter.sics.se) + + * pa.c (output_move_double): Use `ldo' for immediate adds (instead + of `addi' with bad syntax). + (output_load_address): Likewise. + +Tue Sep 1 02:41:13 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * tree.h (struct tree_type): Make `align' field an int. + + * c-tree.h (IDENTIFIER_LIMBO_VALUE): New macro. + (struct lang_identifier): New field limbo_value. + +Mon Aug 31 12:59:22 PDT 1992 Ron Guilmette (rfg at netcom.com) + + * tree.c (make_node): Fix typo in July 6 change: + assignment of DECL_IN_SYSTEM_HEADER was inserted in bad place. + +Mon Aug 31 21:28:08 1992 Jim Wilson (wilson@wookumz.gnu.ai.mit.edu) + + * sched.c (sched_analyze_2): Remove an explicit dependence between + an insn that uses CC0 and the immediately previous insn + (SCHED_GROUP_P represents the dependence). + (schedule_block): Only check sets_cc0_p on an insn. + +Mon Aug 31 15:32:13 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * gcc.c (struct compiler): spec field is now array of 4 elements. + (read_specs): Clear the entire new element of compilers. + (lookup_compiler): Copy all of spec array. Check element 0 for @. + (main): Concatenate all elements of compiler spec. + (validate_all_switches): Validate from all elements of compiler spec. + (default_compilers): Split CPP commands into separate strings. + +Mon Aug 31 10:06:16 1992 Jeffrey A. Law (law@schirf.cs.utah.edu) + + * caller-save.c (restore_referenced_regs): When restoring a + referenced hard register, use CEIL instead of a truncating divide + to determine the maximum number of registers to restore. + (insert_save_restore): Document maxrestore parameter. + (CEIL): Define. + +Mon Aug 31 04:02:21 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * fold-const.c (const_binop): Delete special case for mult by 3. + + * toplev.c (lang_options): Add terminating zero. + + * configure.bat: Remove version number from initial message. + +Sun Aug 30 17:22:11 1992 James Van Artsdalen (james at bigtex.cactus.org) + + * cccp.c (do_pragma): In prev. change, really use U_CHAR *, not char *. + + * aix386.h, i386gas.h, i386sun.h, i386v.h, i386v4.h, i386vgas.h, + seq386.h (TARGET_DEFAULT,VALUE_REGNO,FUNCTION_VALUE_REGNO): + Move from here, + * unx386.h (TARGET_DEFAULT,VALUE_REGNO,FUNCTION_VALUE_REGNO): + To here. + (TARGET_DEFAULT): Make TARGET_IEEE_FP default on. + (VALUE_REGNO): Test for MODE_FLOAT instead of specific modes. + (VALUE_REGNO,FUNCTION_VALUE_REGNO): MODE_FLOAT return reg depends on + TARGET_FLOAT_RETURNS_IN_80387. + + * i386.h (TARGET_FLOAT_RETURNS_IN_80387): New macro. + (TARGET_SWITCHES): Add "no-80387", "no-soft-float", + "fp-ret-in-387", and "no-fp-ret-in-387". + Change no* switches to no-*. + (CONDITIONAL_REGISTER_USAGE): Make 387 regs fixed if the 387 is not + used at all. + (REG_CLASS_FROM_LETTER): Constraint letters 'f', 't' and 'u' are + NO_REGS if the 387 is not used. + (TRAMPOLINE_TEMPLATE): Use GEN_INT to generate const_int rtx. + + * x-i386v4: New file. + (CLIB): Get alloca from libucb.a. + * configure (i386-*-sysv4*): Use x-i386v4. + +Sun Aug 30 15:32:54 1992 Dennis Glatting (dglattin at trirex.com) + + * objc-actions.c (create_builtin_decl): Set TREE_STATIC. + Don't set DECL_EXTERNAL or TREE_PUBLIC. + +Sun Aug 30 03:08:48 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * c-parse.y (initlist): Handle ranges of array elements. + * c-typeck.c (process_init_constructor): Handle ranges. + + * fixincludes: When link points to a dir $dirname outside $INPUT, + copy that dir into $LIB/root$dirname. Translate the link itself + into a link to that new dir. Make a file DONE in each treetop dir + so no treetop is scanned twice. Improve progress messages. + +Sat Aug 29 22:41:49 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * alpha.h (ASM_FILE_START): Object file version number now 8.0. + + * alpha.h (ADJUST_COST): New macro. + * alpha.c (alpha_adjust_cost): New function. + * alpha.md: Adjust function unit delays and more precisely + describe function units. + + * alpha.h (CONST_OK_FOR_LETTER_P): Add new letters `O' and `P'. + * alpha.c (print_operand, case 'P'): New case. + * alpha.md (ashldi3): Special-case shifts by 1, 2, and 3 bits to + use arithmetic instructions. + Add pattern for sign-extending shifts by 1, 2, and 3 bits. + + * alpha.h (INITIALIZE_TRAMPOLINE): Use Pmode when appropriate. + (FUNCTION_MODE): Use Pmode. + + * alpha.md (div/mod): Indicate that reg 27 is clobbered too. + + * alpha.md (cmov): Add define_split for if_then_else/plus case. + + * expr.c (emit_library_call): Pass correct number of args to + convert_to_mode. + + * expr.c (emit_block_move): Eliminate unnecessary test against + HOST_BITS_PER_WIDE_INT. + + * optabs.c (expand_{binop,unop}): Don't make invalid + paradoxical SUBREGs. + + * genattrtab.c (RTL_HASH, attr_rtx): Avoid warnings by casting + pointers to HOST_WIDE_INT instead of int. + + +Sat Aug 29 15:35:58 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * toplev.c (lang_options): New table. + (main): Recognize all language-dependent options of any language + and always treat them as language-specific and valid. + + * c-decl.c (c_decode_option): -fnotraditional really undoes + -ftraditional. Handle -fno-traditional also. + +Sat Aug 29 00:34:01 1992 James Van Artsdalen (james at bigtex.cactus.org) + + * reg-stack.c (record_reg_life): Mark an unused reg as such, even + if it appears in SET_SRC. + +Fri Aug 28 17:40:49 1992 John F Carr (jfc at Athena.MIT.EDU) + + * tree.c (chainon): Check for op2 being the last elt of the chain. + +Fri Aug 28 13:26:56 PDT 1992 Ron Guilmette (rfg at ncd.com) + + * cccp.c (do_pragma): Use rindex, not strrchr. + + * tree.h (BLOCK_END_NOTE): Macro definition added. + (struct tree_block): `end_note' field added. + * stmt.c (last_block_end_note): New variable. + (remember_end_note): New function. + (expand_end_bindings): Save NOTE_INSN_BLOCK_END in last_block_end_note. + * c-decl.c, cp-decl.c (poplevel): Call `remember_end_note' for each + newly created BLOCK node. + * integrate.c (adjust_copied_decl_tree): New function. + (save_for_inline_copying): When making copies of NOTE_INSN_BLOCK_END + notes, stash a "forwarding" pointer in the original to point to the + copy. Also, when all BLOCKs & insns for a function have been copied, + call `adjust_copied_decl_tree' to fixup the end_note pointers in the + copied BLOCKs. + +Fri Aug 28 13:25:59 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * cccp.c (do_pragma): In prev. change, use U_CHAR *, not char *. + +Fri Aug 28 09:11:56 1992 Tom Wood (wood@dg-rtp.dg.com) + + * m88k.h (ADJUST_COST): Add definition. + +Thu Aug 27 18:27:02 1992 James Van Artsdalen (james at bigtex.cactus.org) + + * c-decl.c (init_decl_processing): Add sin and cos as built-in + functions. + * expr.c (expand_builtin): Likewise. + + * expr.h (sin_optab,cos_optab): Declare optabs for sin and cos. + * optabs.c (sin_optab,cos_optab): Define them. + (init_optabs): Initialize them. + + * tree.h (BUILT_IN_SIN,BUILT_IN_COS): New builtin codes. + + * reg-stack.c (record_note_if_dead): Delete function. + (record_reg_life_pat): Rewrite to handle any sort of pattern. + (record_reg_life): Change interface to record_reg_life_pat. + + (stack_reg_life_analysis): Don't assume that MODE_FLOAT values are + always returned in a float reg. + + (subst_stack_regs_pat): Add support for sin and cos insns. + + * i386.c (all gen_rtx (CONST_INT) references): Use GEN_INT to + generate const_int rtx. + (legitimize_pic_address): Pass NULL_RTX instead of "0" as pointer. + + * i386.md (all patterns): Use GEN_INT instead of gen_rtx to get + const_ints. + Avoid double-negative "! NON_*" constructs for clarity. + Pass NULL_PTR as null parameter instead of 0. + + (sqrtM2): Patterns are only valid if IEEE FP or -ffast-math. + (sinM2,cosM2): New patterns. + (zero_extract test): New pattern. + (movstrsi): Rewrite expander to handle operands correctly. + +Thu Aug 27 16:58:09 1992 Michael Meissner (meissner@osf.org) + + * genattrtab.c (MAX_DIGITS): New macro to gauge how much space we + need to reserve when printing integers. + (expand_delays): Use sizeof and MAX_DIGITS to properly size the + strings when calling attr_printf. + (expand_units): Ditto. + (encode_units_mask): Ditto. + (make_numeric_value): Ditto. + (oballoc): New macro, to allocate from the hash_obstack. + (convert_const_symbol_ref): Call oballoc instead of xmalloc. + (get_attr_value): Ditto. + (fill_attr): Ditto. + (make_length_attrs): Ditto. + (gen_attr): Ditto. + (gen_insn): Ditto. + (gen_delay): Ditto. + (gen_unit): Ditto. + (find_attr): Ditto. + (main): Ditto. + +Thu Aug 27 14:47:16 1992 Mike Stump (mrs@mole.gnu.ai.mit.edu) + + * cp-decl.c (curent_block, struct binding_level, poplevel): Copy + Tue Aug 25 16:29:47 and Wed Aug 26 01:56:30 changes in c-decl.c by + rms. + +Thu Aug 27 01:32:11 1992 Paul Eggert (eggert@twinsun.com) + + * c-lex.c, cp-lex.c (readescape): DEL isn't printable. + * c-typeck.c (check_format): Likewise. + +Wed Aug 26 20:42:36 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * c-lex.c (readescape): For \x, don't include leading 0's in count. + + * c-decl.c (init_decl_processing): Fix type of __builtin_constant_p. + + * expr.c (emit_block_move): When trying movstrMM, cvt size to mode MM. + + * c-parse.y (stmt): For computed goto, convert arg to void *. + + * fold-const.c (fold): Do A op C1 ? A : C2 opt only for INTEGER_TYPEs. + +Wed Aug 26 20:19:56 1992 Mike Stump (mrs@wombat.gnu.ai.mit.edu) + + * cp-decl.c (insert_block, delete_block): New functions. + * cp-parse.y (primary, using compstmt): Call delete_block instead + of clearing TREE_USED. + + 11th Cygnus<-->FSF merge. + + Wed Aug 26 12:02:41 1992 Mike Stump (mrs@rtl.cygnus.com) + + * cp-decl.c (finish_function): Don't core dump when a conversion is + ambiguous. + + Tue Aug 25 16:32:42 1992 Mike Stump (mrs@rtl.cygnus.com) + + * cp-init.c (build_new), cp-typeck.c (build_c_cast): Handle ``new + type ( ... )'' better. Default constructors and better error + checking. + + Tue Aug 25 01:21:48 1992 Mike Stump (mrs@cygnus.com) + + * cp-decl2.c (finish_file): Mark " @%$#@!" as being internal. + + Mon Aug 24 16:40:15 1992 Brendan Kehoe (brendan@cygnus.com) + + * cp-lex.c (check_newline): For `#pragma implementation', use + strcmp to check if it was done at the top level, rather than relying + on the pointers being the same. + + Mon Aug 24 20:48:16 1992 Mike Stump (mrs@cygnus.com) + + Fri Aug 21 14:19:27 1992 Ron Guilmette (rfg at ncd.com) + + * cp-decl2.c (grokclassfn): Mark the artificial `this' parameter as + "artificial". + + Thu Aug 20 22:59:16 1992 Mike Stump (mrs@cygnus.com) + + * cp-spew.c (arbitrate_lookup): Make sure the type name in an + argument list followed by &, or &) is seen as a type name, even when + there is an enumeration constant with the exact same name. + + Thu Aug 20 21:58:30 1992 Mike Stump (mrs@cygnus.com) + + * cp-search.c (get_first_matching_virtual): Don't core dump when a + declaration of a static member is seen with the same name as a base + class virtual function. + + Thu Aug 20 21:20:31 1992 Mike Stump (mrs@cygnus.com) + + * cp-decl.c (finish_function): Don't core dump on parse errors. + + Thu Aug 20 20:52:43 1992 Mike Stump (mrs@cygnus.com) + + * cp-method.c (build_component_type_expr): Don't core dump on parse + errors. + + Thu Aug 20 18:31:58 1992 Mike Stump (mrs@cygnus.com) + + Mon Aug 17 17:08:11 1992 Chip Salzenberg (chip@tct.com) + + Copy some changes from the C front-end: + + * cp-type2.c (process_init_constructor): Warn about partly bracketed + initializers. + * cp-typeck.c (build_component_ref): Don't warn for compound and + conditional expressions when pedantic. These are valid in ANSI C. + + Thu Aug 20 16:11:58 1992 Mike Stump (mrs@cygnus.com) + + * cp-decl.c (start_decl), cp-parse.y (have_extern_spec): extern "C" + int i; is only a declaration, but a definition, make it so. + + Thu Aug 20 14:46:39 1992 Mike Stump (mrs@cygnus.com) + + Thu Aug 20 02:36:39 1992 Ron Guilmette (rfg at ncd.com) + + * cp-lex.c (cons_up_default_function): Use DECL_SOURCE_LINE = 0 for + compiler generated things, not DECL_IGNORED_P. + + Thu Aug 20 13:13:45 1992 Mike Stump (mrs@cygnus.com) + + Wed Aug 19 13:09:45 1992 Ron Guilmette (rfg at ncd.com) + + * cp-decl.c (grokdeclarator): Propagate some changes from the C + front-end to deal with variable sized arrays. + + Wed Aug 19 16:55:43 1992 Mike Stump (mrs@cygnus.com) + + * cp-cvt.c (convert_to_reference): Improve wording on error message. + * cp-method.c (type_as_string), cp-pt.c + (mangle_class_name_for_template), cp-xref.c (GNU_xref_decl): Delete + first argument to type_as_string as it is not needed anymore. + + Wed Aug 19 15:29:02 1992 Mike Stump (mrs@cygnus.com) + + Wed Aug 19 13:09:45 1992 Ron Guilmette (rfg at ncd.com) + + * cp-decl.c (kept_level_p): Update from C frontend. + + Wed Aug 19 14:47:08 1992 Mike Stump (mrs@cygnus.com) + + * cp-decl2.c (groktypefield): Old style conversion operators + are being desupported. Conversion operators much have an + `operator' in front of them. + + Wed Aug 19 01:57:04 1992 Mike Stump (mrs@cygnus.com) + + * cp-call.c (ideal_candidate): Fix bug introduced on Jan 21 + 7:24:21. Warn about ambiguous function calls with multiple + same cost conversions. + + Wed Aug 19 00:08:18 1992 Mike Stump (mrs@cygnus.com) + + * cp-decl.c (grok_enum_decls): Remove invalid error message. + + Mon Aug 17 18:59:18 1992 Mike Stump (mrs@cygnus.com) + + * cp-cvt.c (convert_to_reference, convert, + build_type_conversion_1, build_type_conversion), cp-init.c + (build_dynamic_new), cp-typeck.c (build_modify_expr_1, + convert_for_initialization): Always use constructor_name, and + never TYPE_IDENTIFIER (type) and similar things. + * cp-init.c (expand_aggr_init_1): Try TYPE_HAS_CONSTRUCTOR + before wasting time trying build_method_call. + * cp-xref.c: Don't include memory.h. + + Mon Aug 17 15:10:21 1992 Mike Stump (mrs@cygnus.com) + + * cp-init.c (expand_aggr_init_1): Check for ambiguous + conversion. One through constructor and the other through a + user defined conversion operator. + + Mon Aug 17 11:51:27 1992 Mike Stump (mrs@cygnus.com) + + * cp-call.c (convert_harshness): When an argument is T, a T& + should be choosen over a const T& when selecting overloaded + functions. + + Mon Aug 17 01:37:06 1992 Mike Stump (mrs@cygnus.com) + + * cp-call.c (build_method_call): The second argument to + operator delete is sometimes magically deleted. + * cp-decl.c (init_decl_processing, grokfndecl): Global + operator delete never has two arguments. + + Wed Aug 5 18:54:19 1992 Mike Stump (mrs@cygnus.com) + + * cp-class.c (finish_struct), cp-tree.c (layout_basetypes): + Make sure VFIELD_BASEs are aligned. This fixes a really + annoying problem that causes code that uses complex + inheritance hierarchies that have virtual bases to get a + segmentation fault. + + Wed Aug 5 12:35:07 1992 Mike Stump (mrs@cygnus.com) + + Wed Aug 5 08:10:34 1992 Tom Wood (wood@dg-rtp.dg.com) + + * cp-tree.c (__eprintf): `line' is unsigned. + * cp-lex.c: Include stdlib.h and locale.h if needed. + * cp-typeck.c (mark_addressable): Use DECL_EXTERNAL not + TREE_EXTERNAL. + + Wed Aug 5 03:20:07 1992 Mike Stump (mrs@cygnus.com) + + * cp-class.c (finish_struct_methods): Check to make sure + operator delete is not overloaded. + * cp-decl.c (grokfndecl): Check to make sure operator delete + is declared properly. + + Tue Aug 4 16:52:28 1992 Mike Stump (mrs@cygnus.com) + + Mon Aug 3 22:55:04 1992 Michael Meissner (meissner@osf.org) + + * cp-decl.c (grokdeclarator): Make sure const and volatile get + put on the type built when building reference types. + * cp-parse.y (attrib): tree_cons takes three arguments, not + two. + * cp-tree.h: Add hash_chainon, build_virtual_init, + build_vbase_delete, build_vbase_vtables_init. + * cp-typeck.c (build_modify_expr_1. build_modify_expr): + build_unary_op takes three arguments, not two. + + Tue Aug 4 16:07:57 1992 Mike Stump (mrs@cygnus.com) + + Sat Aug 1 16:52:20 1992 John Carr (jfc@Athena.MIT.EDU) + + * cp-decl.c (): Make sure the base type of an ARRAY_TYPE is + layedout before using it. + +Wed Aug 26 17:04:45 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * tree.h (current_block): Declared. + +Wed Aug 26 15:42:11 1992 Jeffrey A. Law (law@schirf.cs.utah.edu) + + Major rework to have caller-saves emit load/store double insns when + possible and to avoid useless resaving of registers restored for + source accesses only. + * caller-save.c (toplevel): All arrays are multi-dimensional to + hold information for multiple save/restore insns. New variable + hard_regs_need_restore. + (choose_hard_reg_mode): New argument `nregs' indicating how many + hard registers are desired. All callers changed. + (init_caller_save): Change initialization to handle multiple + register saves. A call-used register can not be live across + if we can not find a single register mode to save it in. + (multiple register saves are optional) + (init_save_areas): Change initialization of regno_save_mem to + handle multiple register saves. + (setup_save_areas): Allocate space for consecutive hard registers + in aligned consecutive memory locations. When allocating space + for consecutive hard registers, also initialize regno_save_mem + for each hard register stored as a single word. + (save_call_clobbered_regs): Initialize hard_regs_need_restore. + Set hard_regs_need_restore to hard_regs_saved after crossing + a call. Also recompute n_regs_saved. At the end of a basic block + we need only restore registers in hard_regs_need_restore. + (set_reg_live, clear_reg_live): Do the right thing for + hard_regs_need_restore and hard_regs_saved. + (restore_referenced_regs): Just return if X is a clobber. + Test hard_regs_need_restore to determine when to restore a hard + register from the save area. + (insert_save_restore): Now returns the number of extra registers + saved/restored. New argument `maxrestore' which constrains how + many hard registers should be restored. All callers changed. + Do stores of consecutive registers with double store insns if + possible. Else do them with single word insns. Likewise for + loads, except constrained by maxrestore. Set hard_regs_saved + and hard_regs_need_restore appropriately to minimize useless + saves into the save area. Test against hard_regs_need_restore + when trying to restore multiple regs and similarly test against + hard_regs_saved when storing multiple regs. + + +Wed Aug 26 14:24:28 1992 Michael Meissner (meissner@osf.org) + + * mips.h (LINK_SPEC): Pass -shared, -non_shared on to linker. + * mips-bsd.h (LINK_SPEC): Ditto. + * mips-n5.h (LINK_SPEC): Ditto. + * mips-svr4.h (LINK_SPEC): Ditto. + * mips-sysv.h (LINK_SPEC): Ditto. + * iris.h (LINK_SPEC): Ditto. + * dec-osf1.h (LINK_SPEC): Ditto. + + * dec-osf1.h (DECSTATION): Don't define, since decstatn.h which is + included defines it. + (OBJECT_FILE_COFF): Undefine, since the DEC OSF/1 ldfcn doesn't + look like the coff version. + + * decstatn.h (LINK_SPEC): Don't define if already defined. + +Wed Aug 26 13:56:08 1992 Tom Wood (wood@dg-rtp.dg.com) + + * reorg.c: Enhance to fill the last delay slot of a call with an + unconditional jump. + (fill_simple_delay_slots): Look for the case of a call/branch + first. If this applies, record the jump as `last_delay_insn'. + Later, don't look for additional delay insns if the last one has + alreay been filled. + (mark_target_live_regs): A sequence may end in an unconditional + branch. + + * m88k.md (define_function_unit): Correct and simplify memory unit + specification. + +Wed Aug 26 01:56:30 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * c-decl.c (poplevel): Store into BLOCK iff it is non-null. + +Tue Aug 25 23:24:45 1992 Jim Wilson (wilson@wookumz.gnu.ai.mit.edu) + + * sched.c: Add #ifdef INSN_SCHEDULING around variables only used + by schedule_insns. + (INSN_QUEUE_SIZE): Delete default definition. + + * optabs.c, expr.c: Partially undo Mar 7 change. Only call + emit_library_call with no_queue == 1 for const functions. + + * sparc.c (SF_MODES): Allow SImode in fp registers. + (output_floatsisf2, output_floatsidf2, output_floatsitf2): Delete. + * sparc.h: Delete declarations of the above 3 functions. + * sparc.md (float*, fix*): Rewrite to match hardware; take/put + integer input/output from/to fp register instead of memory or + general register. Delete 6 now obsolete combiner patterns. + +Tue Aug 25 16:40:15 1992 Brendan Kehoe (brendan@cygnus.com) + + * cccp.c (do_pragma): Warn if `#pragma implementation "foo.h"' is + invoked after "foo.h" has been included. + +Tue Aug 25 16:29:47 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * stmt.c (struct goto_fixup): New field context. + (fixup_cleanups): Function deleted. + (fixup_gotos): Put the fixup in a block, and put that block + into its proper place. Use sequences, not reorder_insns. + + * c-decl.c (current_block): New function. + (struct binding_level): New field this_block. + (poplevel): Use this_block if nonzero, rather than making new BLOCK. + + * sched.c (INSN_QUEUE_SIZE): Add default definition. + +Tue Aug 25 15:19:26 1992 Tom Wood (wood@dg-rtp.dg.com) + + * sched.c (schedule_block): Add a virtual cycle counter CLOCK. + Pass CLOCK to schedule_insn. + Compute the tail in the scheduling loop, not before it. + Enable the stall code that advances the insn queue. + Select the insn to schedule and block others with schedule_select. + (adjust_priority): Renamed from launch_link. + (schedule_insn): Renamed from launch_links. + + * genattrtab.c (struct attr_desc): Add unsigned_p field. + (struct function_unit_op): Add issue_delay, conflict_exp, and + issue_exp fields. Drop busyexp field. + (struct function_unit): Add needs_blockage_function, + needs_range_function, issue_delay, and max_blockage fields. Drop + costexp, and busy delay fields. + (enum operator): Add POS_MINUS_OP, EQ_OP, MIN_OP, RANGE_OP. + (operate_exp): Implement new ops. + (make_internal_attr): Set unsigned_p based on the value of SPECIAL. + (write_attr_get): Function is unsigned when unsigned_p is true. + (write_attr_valueq): Write hex value of large constants in a comment. + (simplify_by_exploding): Check for EXP having no EQ_ATTR expressions + and for all values as the default. + (find_and_mark_used_attributes): Add TERMS and NTERMS parameters. + (max_attr_value): Allow IF_THEN_ELSE. + (simplify_knowing, write_complex_function, extend_range): New + functions. + (gen_unit): Use local variables to name the fields. Change the + meaning of busy-delay to issue-delay. + (expand_units): Compute issue_exp. Write attributes for computing + `<name>_unit_blockage' and `<name>_unit_blockage_range' functions. + Compute max_blockage, and the needs_*_function values. + (write_function_unit_info): Write blockage function and conflict cost + functions using write_complex_function. Write new function_unit_desc + fields. + * genattr.c (extend_range, init_range): New functions. + (write_units): Add blockage_function, blockage_range_function, + max_blockage and max_issue_delay fields to struct function_unit_desc. + Drop max_busy_cost field. Write #defines for min/max blockage, + issue delay, multiplicity, and simultaneity and for BLOCKAGE_BITS + and INSN_QUEUE_SIZE. + (main): Compute the new values. + * sched.c (insn_queue): Use INSN_QUEUE_SIZE. + * rtl.def (define_function_unit): Update documentation. + + * sched.c (insn_units, insn_blockage, insn_tick, unit_last_insn, + unit_tick, unit_n_insns): New variables. + (schedule_insns): Allocate and initialize insn_tick, insn_units, and + insn_blockage. + (insn_unit, blockage_range, clear_units, prepare_unit, schedule_unit, + actual_hazard_this_instance, actual_hazard, potential_hazard, + schedule_select): New functions. + (schedule_block): Add dependencies to force insns to remain in order + at the end of a block rather than relying on having the scheduler + issue them in priority order. + + * sched.c (insn_cost): Add LINK and USED parameters. All callers + changed. Supply an ADJUST_COST interface. + (insn_cost): Make a dependence from a USE insn free. + (priority): Clear the link cost adjustment bits. + * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): New macros. + + * genattrtab.c (expand_units): Use the normalized values of the + unit's CONDEXP and BUSYEXP. + + * a29k.md (define_function_unit): Change meaning to ISSUE-DELAY. + * i960.md (define_function_unit): Change meaning to ISSUE-DELAY. + * m88k.md (type attribute, movdi movdf insns): Add loadd. + (unit attribute): Delete. + (function units): Correct simultaneity values. Break out + independent units. Add conflict matrix for the 88100 load double. + * mips.md (define_function_unit): Change meaning to ISSUE-DELAY. + * pa.md (define_function_unit): Change meaning to ISSUE-DELAY. + * sparc.md (define_function_unit): Change meaning to ISSUE-DELAY. + Merge FP_MUL, FP_DIV, and FP_SQRT into one function unit. + + * jump.c (delete_computation): Derived from delete_jump. + (delete_jump): Use delete_computation. + +Tue Aug 25 13:42:19 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * final.c (final_scan_insn): If 2 consec line notes have same line num, + can omit one. + +Tue Aug 25 13:38:19 1992 Michael Meissner (meissner@osf.org) + + * mips.h (MIPS_VERSION): Set Meissner version # to 24. + (ASM_FINAL_SPEC): Use %U to get the last file name created with + %u, rather than %u. + (ARG_POINTER_REGNUM): Use the hardwired register $0 as the + argument pointer, instead of the frame pointer, to allow the frame + pointer to be the same as the stack pointer after the initial + stack allocations. This is to allow GCC generated code to be + linked against MIPS shared libraries. The linker rearranges the + code, and needs to have a frame pointer, if used, to be the same + as the stack. The argument pointer is always eliminated in favor + of the stack pointer or frame pointer. + (FRAME_GROWS_DOWNWARD): Don't define this any more. + (STARTING_FRAME_OFFSET): Locals start after the stack area to pass + arguments to called functions. + (STACK_DYNAMIC_OFFSET): If function is a leaf function, but calls + __builtin_alloca, assume a default argument area, so the MIPS + linker doesn't think a second frame pointer is created. + (INITIAL_FRAME_POINTER_OFFSET): Don't define, since we use + elimination instead. + (ELIMINABLE_REGS): Define to eliminate both the stack pointer and + frame pointer, since they are now separate. + (CAN_ELIMINATE): Ditto. + (INITIAL_ELIMINATION_OFFSET): Ditto. + (ELIGIBLE_FOR_EPILOGUE_DELAY): Don't allow variables based off of + the argument pointer, in addition to frame and stack pointers. + (MUST_SAVE_REGISTER): Add in GP_REG_FIRST to 31, in case we ever + change the base of the gp registers. + (MIPS_STACK_ALIGN): Use ~7, instead of 0xfffffff8. + + * mips.c (number_functions_processed): Delete variable, nobody + uses it anymore. + (mips_debugger_offset): Add support for the frame pointer being + the same as the stack pointer, instead of being the same as the + argument pointer. Abort if the address is not based on any of the + stack, frame, or argument pointers. + (print_operand_address): Add checks for the arg pointer not being + eliminated. + (function_prologue): Ditto. + (mips_expand_prologue): Ditto. + (function_epilogue): Ditto. + (mips_expand_epilogue): Ditto. + (function_epilogue): Strip leading '*' if it exists from + current_function_name when printing statistics. Delete increment + of number_functions_processed. + (compute_frame_size): Don't base extra_size on the macro + STARTING_FRAME_OFFSET. If function is a leaf function, but calls + __builtin_alloca, allocate an arg area, so that the MIPS linker + will not complain about creating a second frame pointer. Move the + argument save area beneath local variables. + + * decrose.h (ASM_FINAL_SPEC): Use %U to get the last file name + created with %u, rather than %u. + + * gcc.c (do_spec_1): Add %U to return the last name generated with + %u. This is for use with mips-tfile, to find the generated object + file. + + +Mon Aug 24 18:09:34 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * c-typeck.c (build_unary_op): For ADDR_EXPR, just set TREE_CONSTANT + if staticp, but don't clear TREE_CONSTANT. + +Mon Aug 24 13:52:13 1992 Brendan Kehoe (brendan@cygnus.com) + + * gcc.c (process_command): Don't set verbose_flag if they make a + typo (e.g., `-v-E'); only when it's exactly "-v". + +Mon Aug 24 06:49:16 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * combine.c (subst): When moving operation inside IF_THEN_ELSE, + make a new rtx instead of using SUBST due to sharing. + + * combine.c (simplify_comparison): Correct test for sign extension + when trying to widen comparison. + +Sun Aug 23 18:58:33 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * fold-const.c (fold): Avoid the normal STRIP_NOPS on arg of NOP_EXPR. + +Sun Aug 23 15:32:03 PDT 1992 Ron Guilmette (rfg at netcom.com) + + * stmt.c (expand_end_bindings): Generation of NOTE_INSN_BLOCK_END + moved down so that it occurs after call to `expand_cleanups'. + +Sun Aug 23 16:24:32 1992 Michael Meissner (meissner@osf.org) + + * decrose.h (CPP_SPEC): Don't define strcmp as __builtin_strcmp in + the case neither -fbuiltin nor -fno-builtin were defined. + * i386rose.h (CPP_SPEC): Ditto. + +Sun Aug 23 02:03:41 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * libgcc2.c (__builtin_new): Cast the result of malloc. + + * toplev.c: Fix typo in prev change. + + * c-decl.c (insert_block, delete_block): New functions. + * c-parse.y (primary, using compstmt): Call delete_block + instead of clearing TREE_USED. + * expr.c (expand_expr): For BIND_EXPR, call insert_block on the block. + +Sat Aug 22 14:12:02 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * configure: Use absolute pathname in value of INSTALL. + +Sat Aug 22 06:42:39 1992 Tom Wood (wood@dg-rtp.dg.com) + + * emit-rtl.c (insn_emit_once): Provide a zero constant for CC modes. + +Fri Aug 21 18:33:30 1992 Jeffrey A. Law (law@schirf.cs.utah.edu) + + * reorg.c (fill_simple_delay_slots): Always try to fill empty + delay slots with insns from beyond the delay insn, even if + optimize_skip was attempted. + (fill_simple_delay_slots): When filling with insns from after the + delay insn, make sure to always account for the sets and + references in the delay insn. + +Fri Aug 21 16:47:06 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * sparc.c (print_operand): Use output_operand_error for unknown code. + + * c-typeck.c (build_conditional_expr): Use TREE_READONLY and + TREE_THIS_VOLATILE, not TYPE_... + +Fri Aug 21 14:02:20 1992 James Van Artsdalen (james at bigtex.cactus.org) + + * reload.c (find_dummy_reload): Restore original RTX instead of + passed IN rtx. + +Fri Aug 21 07:53:12 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * optabs.c (expand_binop): If, e.g., mulqi3 doesn't exist, try + mulqihi3. + + * rs6000.h (FUNCTION_ARG): Don't make an EXPR_LIST if making a libcall. + + * combine.c (subst): Move up test for too many restarts. + If we restart, clear OP0_MODE since we don't know it. + +Fri Aug 21 02:11:43 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * emit-rtl.c (emit_insns_after): New function. + +Fri Aug 21 01:53:04 1992 Jeffrey A. Law (law@schirf.cs.utah.edu) + + * pa.md (call_value+1): For non-dynamic calls, use the "call" + attribute, set length to 1, and fix output template to work + properly with delay slots. + + * pa.md (address and use_call_clobbered attributes): Deleted, + these attributes are useless. All references deleted. + (call define delay): Use "in_branch_delay" as the condition since + "call" delay slots and unconditional "branch" delay slots allow the + same type of insns. + (in_call_delay conditional): Deleted. + (branch define delay): Do not define an annul-if-true delay slot. + It is useless for an unconditional branch. + (all delay branch conditionals): Make sure "call", "dyncall", "multi", + and "milli" insns are explicitly disallowed in delay slots. + + * pa.c (output_mul_insn): Delete nop after branch in template, + conditionally emit a nop if the delay slot was not filled. (via %#) + + * pa.c (output_function_prologue): Handle profiling in a function + without a frame pointer. + +Thu Aug 20 16:16:40 1992 Tom Wood (wood@dg-rtp.dg.com) + + * va-m88k.h (__INT_VARARGS_H): Define this to avoid trouble on DG/UX. + +Thu Aug 20 11:07:26 1992 Michael Meissner (meissner@osf.org) + + * final.c: Move include of stdio.h before output.h. + +Thu Aug 20 01:08:55 1992 Pat Rankin (rankin at eql.caltech.edu) + + Support for bootstrapping cpp & cc1 with VAX C under VMS. + + * xm-vax-vms.h (USE_C_ALLOCA,NO_STAB_H): Define for VAXC. + (bcopy,bzero,bcmp,index,rindex): Define as ANSI/SYSV counterparts. + (QSORT_WORKAROUND, qsort): New macros, for avoiding buggy + qsort in VAXCRTL library. + (check_for_full_enumeration_handling,...): Use macros to shorten + several external names which are longer than 31 characters to + avoid warnings about truncation. + (unlink): Remove redundant definition. + * vax.c (not_qsort): New function. + * cccp.c (toplevel: create_definition): Move forward declaration + past the definition of struct macrodef. + (strncat): New function. + (bcopy, bzero, bcmp): Remove #if VMS code--always use inline C loops. + * genrecog.c, reload1.c: Compare enums (preds. codes, mem_mode) + explicitly to 0 in conditionals to work-around a VAXC bug that + disallows enum as arguments to && and || operators. + * getpwd.c (getpwd): Add alternative defn for VMS. + * toplev.c (environ): Make declaration conditional. + (main: -g debugging setup): Get rid of \ in #if condition. + * make-cccp.com,make-cc1.com (CC,CFLAGS,LIBS): Add commented command + variants for bootstrapping gcc-cpp and gcc-cc1 with VAXC. + * make-cccp.com (alloca): Build alloca.obj from alloca.c if LIBS needs it. + + Not yet installed: + + * machmode.h (FILE_TYPE): For VMS, make sure FILE_TYPE is not + defined as a macro, so that VAXC's <stdio.h> won't break tree.h. + * genemit.c (gen_exp): #if VAXC, output a newline in front of + gen_rtx calls, to prevent excessively long lines in insn-emit.c. + +Thu Aug 20 11:32:18 1992 Michael Tiemann (tiemann@mole.gnu.ai.mit.edu) + + * cp-tree.h: Fix incorrect comment about "$this" needing to + be lexicographically less than any other identifier. + +Thu Aug 20 05:37:00 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * a29k.md (load_multiple): Operand 2 should be a MATCH_OPERAND. + (store_multiple_{,no_}bug): Likewise. + + * reorg.c (mark_set_resources): Fix two bugs in last change. + + * expr.c (init_expr_once): Set direct_load and direct_store if SOME + hard register can be loaded or stored; not just if the first one + we pick can be. + +Thu Aug 20 01:40:43 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * combine.c, emit-rtl.c, final.c, gcc.c, genattrtab.c, mips-tfile.c: + Put include of stdio.h after GCC header files + (for i860-stardent-sysv4). + * tree.c: Likewise. + + * fixincludes (stdio.h): Rename va_list to __va_list__ to coexist + with gvarargs.h. + +Wed Aug 19 21:06:49 1992 Jim Wilson (wilson@cygnus.com) + + * cccp.c (finclude): Increment indepth before calling + trigraph_pcp, so that warning uses the correct file name. + +Wed Aug 19 07:07:41 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * combine.c (force_to_mode): Add missing test of and_optab. + + * genconfig.c (have_cmove_flag): New variable. + (walk_insn_part): Add new parm NON_PC_SET_SRC; all callers change. + Look for IF_THEN_ELSE in a SET_SRC that isn't setting PC and + set have_cmove_flag if so. + (main): Define HAVE_conditional_move if have_cmove_flag is non-zero. + * combine.c (subst, case AND): Only make IF_THEN_ELSE if conditional + moves exist. + + * cse.c (find_comparison_args): Look for comparison operations + if the second arg is 0 in any mode. + (record_jump_cond): Don't make classes equivalent for floating-point + equality comparison. + + * local-alloc.c (alloc_qty_for_scratch, block_alloc): Provide + alternate code in some cases when REGISTER_CONSTRAINTS is not + defined. + (requires_inout_p): Only used when REGISTER_CONSTRAINTS is defined. + + * reorg.c (mark_set_resources): Add new parm IN_DEST; add callers + changed. + Rework to scan an entire insn to look for auto-inc operations. + + * unroll.c (copy_loop_body): Add missing declaration of EXIT_LABEL + parameter. + + * function.c (instantiate_decl): New function. + (instantiate_decls{,_1}): Call it. + + * combine.c (simplify_comparison): Add a few more cases where we can + do the comparison in a wider mode. + + * combine.c (distribute_notes, REG_EQUAL): Don't put back a note + with a non-constant expression since it may no longer be valid. + +Tue Aug 18 23:07:33 1992 Mike Stump (mrs@cygnus.com) + + * expr.c (expand_expr): The first expansion of a TARGET_EXPR + is marked by DECL_RTL (slot) being filled in AND TREE_OPERAND + (exp, 1) being wiped-out with a NULL_TREE, not just the + DECL_RTL (slot) being filled in. + +Tue Aug 18 00:07:23 1992 Dennis P. Glatting (dglattin@trirex.com) + + * objc-actions.c + (build_selector_translation_table): NULL-terminate the + selector list. Mark _OBJC_SELECTOR_REFERENCES_decl as static, + not extern. + +Tue Aug 18 21:38:46 1992 Mike Stump (mrs@hal) + + * xcoffout.c (assign_type_number): Skip decls with no name. + + * expr.c (expand_expr): When expanding TARGET_EXPRs, make sure + that they are only expanded once, after the first expansion, + the rtl can be used without further expansions. + +Tue Aug 18 12:58:33 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * x-i386sco (X_CFLAGS): Defined. + + * stmt.c (expand_return): Call emit_queue in ignore-the-value case. + (expand_end_bindings): Check DECL_IN_SYSTEM_HEADER for unused warnings. + + * combine.c (simplify_comparison): + Rearrange conditional in SUBREG case. + +Tue Aug 18 06:49:43 1992 Tom Wood (wood@dg-rtp.dg.com) + + * cccp.c (HOST_WIDE_INT): Copy definition from machmode.h. + + * c-typeck.c (parser_build_binary_op): Replace the assignment of CLASS. + + * configure (Makefile edits): Make the edits independent. + * Makefile.in (sed marker): Use the order {target, host, cross-make}. + +Tue Aug 18 00:15:12 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * c-typeck.c (parser_build_binary_op): + For Z<Y<Z warning, test class of CODE; don't use TREE_CODE (result). + + * cccp.c (pcfinclude): Use HOST_WIDE_INT for rounding a pointer. + +Mon Aug 17 14:57:18 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * c-typeck.c (digest_init): Test TREE_TYPE (inside_init) is + nonzero before testing anything else about it. + + * i860.md (mulsi3): Use emit_insn on results of gen fcns. + Return with DONE. + +Mon Aug 17 11:50:23 1992 Mark Eichin (eichin@cygnus.com) + + * cccp.c (do_include): If search_start is NULL, complain that + we had nowhere to look. + +Mon Aug 17 14:53:46 1992 Jim Wilson (wilson@wookumz.gnu.ai.mit.edu) + + * function.c (assign_parms): When copy arg passed by invisible + reference to pseudo reg, don't use nominal_mode. + + * i960.c (i960_address_cost): Don't abort for invalid addresses. + +Mon Aug 17 14:29:33 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * c-typeck.c (digest_init): + Use TYPE_MAIN_VARIANT comparing type of inside_init. + +Mon Aug 17 10:32:08 1992 Michael Meissner (meissner@osf.org) + + * genattrtab.c (simplfy_with_current_value): Return 'exp' to + caller instead of random value. + (convert_set_attr_alternative): Delete unused variable newexp. + (simplify_cond): Delete unused variable spacer. + (make_alternative_compare): Delete unused variable alternative. + (optimize_attr): Delete unused variable nextie. + (main): Delete unused variable av. + (simplify_by_alternatives): #if 0, since the only caller is also + #ifdef'ed away. + (copy_rtx_unchanging): #if 0 variables that are only used inside + of other code under #if 0. + +Mon Aug 17 07:37:41 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * a29kunix.h (LINK_SPEC): Add %s for default.ld. + (LINK_LIBGCC_SPECIAL): No longer needed. + (ASM_FILE_STARY): Add shared data section. + (SHARED_SECTION_ASM_OP): New macro. + (OVERRIDE_OPTIONS): If -fshared-data, add -fno-common. + + * alpha.c (alpha_function_needs_gp): New variable. + (output_prolog): Set it. + Write label after LDGP if function has recursive call and needs GP. + (current_function_operand, divmod_operator, alpha_gp_dead_after): + New functions. + (print_operand, case 'E', 'F'): New cases. + (alpha_need_gp): Just test for type of LDSYM, not CALL_INSN. + * alpha.h (GO_IF_LEGITIMATE_ADDRESS): Allow a SYMBOL_REF for + the current function as a valid address. + * alpha.md (divXi3, udivXi3, modXi3, umodXi3): New patterns. + (cmov): Add pattern for addq/cmov for signed divide by power of 2. + (call): Omit GP restore if it is dead. + Add patterns for recursive calls. + (branch): Change type of everything but calls to IBR. + (unaligned_storehi): Fix numbering of operands. + * xm-alpha.h (malloc, realloc, sbrk): Declare as void * if __STDC__. + + * libgcc2.c (builtin_new): Remove declaration of malloc. + + * expmed.c (expand_mult): Bound second synth_mult cost by cost of + algorithm from first call. + + * expmed.c (expand_divmod): When doing logical operations, the size + of COMPUTE_MODE should be used, not MODE. + + * combine.c (struct undo, struct undo_int): Replace non-portable + usage with some unions. + (SUBST, SUBST_INT, undo_all, gen_rtx_combine): Make consistent + with new definitions. + + * fold-const.c (fold): Move conversion back outside of COND_EXPR + if moving it inside didn't help anything. + + * fold-const.c (div_and_round_double): Change some more ints + to HOST_WIDE_INTs. + + * jump.c (jump_optimize): Allow SUBREG in many places where REG + is allowed. + + * expr.c (expand_expr, case COMPONENT_REF): Don't actually do + extraction from memory if we want address. + + * expr.c (emit_block_move): Fix problems in last change. + +Mon Aug 17 03:37:10 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * collect2.c (is_ctor_dtor): Don't collect cfront init fcns. + + * Makefile.in (GCC_FOR_TARGET): Put -B./ here. + (GCC_CFLAGS): Not here. + +Sun Aug 16 10:38:10 1992 Torbjorn Granlund (tege@jupiter.sics.se) + + * ns32k.c (print_operand_address): Fix typo. + +Sat Aug 15 20:23:39 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * cccp.c (PTR_INT_TYPE): Don't define this. + (pcfinclude): Use int, not PTR_INT_TYPE. + +Sat Aug 15 11:10:07 1992 Michael Meissner (meissner@osf.org) + + * mips.h (ASM_FINAL_SPEC): For output of as when -c is not used, use + %u rather than %g so each object filename will be unique. + * decrose.h (ASM_FINAL_SPEC): Ditto. + + * x-decrose (CLIB, X_CFLAGS): Don't link in libbsd.a, instead use + -Dvfork=fork on the command line. + * x-encrose (CLIB, X_CFLAGS): Ditto. + * x-i386rose (CLIB, X_CFLAGS): Ditto. + +Sat Aug 15 06:36:15 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * cccp.c: Remove declaration of malloc and realloc. + + * combine.c (get_last_value): Don't go past a CODE_LABEL when + searching for a value. + + * expr.c (convert_move): Copy SUBREG to REG in one more case. + + * expr.c (do_jump*): Always do comparison in object's signedness + now that combine can remove extraneous sign extends. + +Sat Aug 15 00:52:08 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * fixincludes (ansi_compat.h): Replace this with an empty file. + + * gcc.c (process_command): In second loop over all switches, + don't increment I for switches that don't have separate arguments. + + * cccp.c: Don't ever include stddef.h. + (append_include_chain): Avoid using size_t. + (initialize_builtins): Output defn of __WCHAR_TYPE__ just once. + + * ns32k.md (movstrsi1): Renamed from movstrsi. + (movstrsi): New define_expand. + +Fri Aug 14 18:51:57 1992 Jim Wilson (wilson@wookumz.gnu.ai.mit.edu) + + * sched.c (attach_deaths_insn): Don't call attach_deaths for CLOBBERs. + +Fri Aug 14 18:47:22 1992 Tom Wood (wood@dg-rtp.dg.com) + + * genattr.c (write_units): Write #defines for the number of + function units, the min/max ready cost and min/max busy delay. + Add max_busy_cost field to struct function_unit_desc. + + * genattrtab.c (simplify_by_exploding, find_and_mark_used_attributes, + unmark_used_attributes, add_values_to_cover, increment_current_value, + test_for_current_value, simplify_with_current_value, + simplify_with_current_value_aux): New functions. + (struct function_unit): Add max_busy_cost, {min,max}_busy_delay. + (expand_units): Use simplify_by_exploding to simplify the + function_units_used attribute. Compute the ready cost attributes + as a COND in numeric order. + (gen_unit): Compute {min,max}_ready_cost and {min,max}_busy_delay. + (write_function_unit_info): Determine if there is only one busy + delay value by comparing the minimum and maximum busy delay. + Write the initializer for function_units in numeric order. + Write out the maximum busy delay field. + + * genattrtab.c (attr_desc): Add negative_ok field. + (find_attr, make_internal_attr): Initialize negative_ok. + (check_attr_value): Allow negative values for CONST_STRING for + numeric attributes with negative_ok. + (encode_units_mask): Change the encoding of the function_units_used + result. + + * gcc.c (do_spec_1): Add %u. + (default_compilers): For output of as when -c is not used, use %u + rather than %g so each object filename will be unique. + + * cexp.y, cccp.c, gcc.c (NULL_PTR): Use the same definition as + rtl.h and tree.h. + +Fri Aug 14 20:53:00 1992 Paul Eggert (eggert@twinsun.com) + + * c-decl.c (grokdeclarator): Remove duplicate diagnostic for + initialized parameters; start_decl already does this. + + * c-common.c (truthvalue_conversion): Optionally warn if an + unparenthesized assignment is used as a truth value. + * c-parse.y, objc-parse.y (expr_no_commas): + Mark assignments for warning. + +Fri Aug 14 14:45:39 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * vax.md (casesi1): Renamed from casesi. + (casesi): New trivial define_expand invokes casesi1. + (movstrhi, movstrhi1): Analogous change. + +Fri Aug 14 14:36:52 1992 Tom Wood (wood@dg-rtp.dg.com) + + * reload.c (find_reloads): Ignore `%' in the last operand after + warning. + +Fri Aug 14 07:41:34 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * genflags.c (num_operands): MATCH_PARALLEL also represents an operand. + + * jump.c (invert_exp, redirect_exp): No longer static. + Clean up order of declarations at start of file and remove + extraneous decls. + * unroll.c (copy_loop_body): Don't assume (pc) can be on either + leg of jump; use invert_exp and redirect_exp instead. + + * alpha.c, alpha.h, alpha.md, xm-alpha.h, x-alpha, va-alpha.h: + New files. + * config.sub: Add "alpha". + * configure: Likewise. + * Makefile.in (USER_H): Add va-alpha.h and sort names. + * gstdarg.h, gvarargs.h: Call va-alpha.h for Alpha. + + * rtl.def (MATCH_PAR_DUP): New RTL code. + * genconfig.c (walk_insn_part): Treat it just like MATCH_OP_DUP. + * genemit.c (max_operand_1): Likewise. + (gen_exp): Treat it like MATCH_PARALLEL here. + * genextract.c (walk_rtx): Treat it like MATCH_DUP. + * genoutput (scan_operands): Likewise. + * genpeep.c (match_rtx): Likewise. + * genrecog.c (add_to_sequence): Likewise. + * a29k.md, rs6000.md ({load,store}_multiple): Use MATCH_PAR_DUP. + + * cse.c (fold_rtx): Fix typo in two FLOAT_STORE_FLAG_VALUE tests. + + * flow.c (life_analysis, propagate_block, dump_flow_info): Add more + missing casts to REGSET_ELT_TYPE. + + * expr.c (movstr_optab): New variable. + (init_expr_once): Initialize it. + (emit_block_move): Rework code that generates movstrxx insns to + check predicates and use an optab. + + * cse.c (simplify_unary_operation): Remove "else". + +Fri Aug 14 07:41:05 1992 Torbjorn Granlund (tege@jupiter.sics.se) + + * c-decl.c, cse.c, fold-const.c, integrate.c, obstack.h, protoize.c, + reload1.c, stmt.c, tree.c, tree.h: Phicks speling erours. + +Fri Aug 14 03:21:17 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * c-convert.c (convert): When converting to variant of same type, fold. + + * varasm.c (assemble_variable): Change error message for unknown size. + + * c-parse.y (declmods): Don't warn for multiple storage classes + all at the beginning. This is either good practice or an error. + +Thu Aug 13 19:43:13 1992 Paul Eggert (eggert@twinsun.com) + + * c-decl.c (finish_decl): Avoid cascading messages for tentative + definitions with incomplete types. + + * c-typeck.c (process_init_constructor): Warn about partly + bracketed initializers. + +Thu Aug 13 17:18:49 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * cccp.c (handle_directive): Output macro name if dump_names. + + * m68k.h: Delete junk line inserted by mistake in last patch. + +Thu Aug 13 16:46:58 1992 Tom Wood (wood@dg-rtp.dg.com) + + * regclass.c (regclass): Don't scan the constraints if there aren't + any operands. Don't look for a commutative constraint in the last + operand. + + * function.c (contains): Return the number of insns. + (reposition_prologue_and_epilogue_notes): Count all the prologue and + epilogue insns. + +Thu Aug 13 15:20:24 1992 Jim Wilson (wilson@wookumz.gnu.ai.mit.edu) + + * m68k.h (TARGET_SWITCHES): Make -m68040 set 01007 not 01000. + + * sparc.h (CPP_SPEC): For -mv8, define __sparc_v8__ not __sparcv8__. + * longlong.h (__sparclite__): Define umul_ppmm, udiv_qrnnd, and + count_leading_zeros for this sparc architecture variant. + (__sparc_v8__): Changed from __sparc8__. + + * c-typeck.c (build_component_ref): Don't warn for compound and + conditional expressions when pedantic. These are valid in ANSI C. + +Thu Aug 13 11:37:57 1992 Jeffrey A. Law (law@mole.gnu.ai.mit.edu) + + * pa.c (output_function_prologue): Restore "rp" after the call to + mcount. + +Thu Aug 13 06:54:50 1992 Torbjorn Granlund (tege@jupiter.sics.se) + + * pa.md (movsf recognizer): Output `fcpy,sgl', not `fcpy'. + From Jeff Law: + * pa.md (zdepi in HImode): Move this pattern after the standard + movhi patterns. + +Wed Aug 12 11:45:15 1992 Michael Meissner (meissner@osf.org) + + * mips.h (ASM_FINAL_SPEC): For output of as when -c is not used, + use %g, rather than %b, because the file is going to be deleted + anyway (sync up with gcc.c Aug 4 changes). Patch from Jim Meyering. + + * decrose.h (ASM_FINAL_SPEC): Ditto. + +Wed Aug 12 03:23:30 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * fixincludes (finding all .h files): Look for links as well as + ordinary files. + + * m68k.h (TARGET_68040): Test for 01000 or 0400. + (TARGET_SWITCHES): Rename -m68040 to -m68020-40. + Rename -m68040-only to -m68040. + + * hp2bsd.h (TARGET_DEFAULT): Make value 0. + +Tue Aug 11 04:23:35 1992 Paul Eggert (eggert@twinsun.com) + + * fold-const.c (operand_equal_p): Make it clear that this function + tests for indistinguishable values, not for equality as computed by + `=='; the distinction is important for IEEE NaNs and -0.0. + +Tue Aug 11 13:10:47 1992 Fred Fish (fnf at fishpond) + + * config.sub (amigaunix/amix): Use sysv4 as os. + * configure (m68k-*-amix*): Change to m68k-cbm-sysv4* and + eliminate fixincludes and broken_install. + +Tue Aug 11 15:42:58 1992 Jim Wilson (wilson@wookumz.gnu.ai.mit.edu) + + * function.c (identify_blocks): Handle case where no block nodes + exist. Use xmalloc not alloca for block_vector. + (reorder_blocks): New argument top_block. Handle case where no + block nodes exist. Always clear BLOCK_SUBBLOCKS (block) when + adding it to the block tree. + (all_blocks): Handle case where vector is zero. Store current + block at offset 0 in vector, not n_blocks. Don't count current + block twice in n_blocks. + * function.h (identify_blocks): Declare. + (rtx, tree): Move undefs to the very end. + * loop.c (loop_optimize): Delete uses of loop_number_first_block, + loop_number_last_block, loop_number_block_level. Correct call of + find_loop_tree_blocks. Add call to unroll_block_trees. + * loop.h (loop_number_first_block, loop_number_last_block, + loop_number_block_level): Delete declarations. + * stmt.c: Likewise. + (find_loop_tree_blocks): Completely rewritten to use + identify_blocks. + (unroll_block_trees): Completely rewritten to use reorder blocks. + * unroll.c (unroll_loop): Delete call to unroll_block_trees. + + * unroll.c (copy_loop_body): Only copy VTOP note if it will end up + before a loop exit test. + +Tue Aug 11 09:21:47 1992 Michael Meissner (meissner@osf.org) + + * mips.h (MIPS_VERSION): Bump meissner version # to 23. + (CONST_CODES): Remove declaration for eliminate_constant_term + from inside of local {}'s. + (SELECT_SECTION_MODE): Remove declaration of variable + mips_section_threshold from inside of local {}'s. + (SELECT_SECTION): Ditto. + + * mips.c (toplevel): Remove declarations for all of the gen_xxx + functions used, since insn-flags.h contains them. + + * mip.md (fixuns_truncdfsi2): Remove extern declarations. + (fixuns_truncsfsi2): Ditto. + (movsi_unaligned, movsi_ulw, movsi_usw): Ditto. + (seq, sne, sgt, sle, sgtu, sleu): Ditto. + +Tue Aug 11 02:51:25 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * fixincludes (memory.h): Fix versions 1.2 and 1.3 as well as 1.4. + + * configure: Improve err msg for unknown config. + +Tue Aug 11 04:02:51 1992 Paul Eggert (eggert@twinsun.com) + + * fold-const.c (fold): Don't fold (A op B ? A : C) if A is IEEE + floating point, because A might be -0.0 or NaN. + + * c-typeck.c (parser_build_binary_op): Warn about expressions like + `1<=i<=N'. + +Mon Aug 10 22:11:50 1992 Michael Meissner (meissner@osf.org) + + * reload1.c (emit_reload_insns): Use gen_rtx to create a secondary + reload insn, not gen_reg_rtx. + +Mon Aug 10 06:23:23 1992 Torbjorn Granlund (tege@jupiter.sics.se) + + * pa.md (Recognizer for zdepi_operand in HImode): New pattern. + (Recognizer for zdepi_operand in SImode): Call output_zdepi for + output. + (shift patterns and recognizers): Handle 32 bit ints and truncate + them for output. + * pa.c (output_zdepi): New function (contents from pa.md). + * pa.h (output_zdepi): Declare. + +Sun Aug 9 17:10:24 1992 Pat Rankin (rankin@eql.caltech.edu) + + * configure.com: Rename vms to vax-vms; split long lines. + * make-l2.com: Assemble libgcc2 routines twice, preserving + lowercase function names the second time. + +Sun Aug 9 00:50:46 PDT 1992 Ron Guilmette (rfg at netcom.com) + + * final.c (final_scan_insn): Call dwarfout_begin_block and + dwarfout_end_block even for -g1. + +Sun Aug 9 18:10:33 1992 Michael Meissner (meissner@osf.org) + + * genflags.c (gen_insn): Treat 'call_pop' and 'call_value_pop' like + 'call' and 'call_insn'. + + * i386.h (LEGITIMIZE_ADDRESS): Emit_move_insn only takes two + arguments, not three. + +Sat Aug 8 10:26:02 1992 Michael Meissner (meissner@osf.org) + + * cp-tree.h (hash_chainon): Provide declaration. + (build_virtual_init): Ditto. + (build_vbase_delete): Ditto. + (build_vbase_vtables_init): Ditto. + + * genflags.c (insn_name_ptr): Define, so that we can link in + print-rtl.c for debugging. + (call_obstack, normal_obstack): New obstacks to remember call + insns, and normal insns, so that we can emit the prototypes later. + (max_id_len): New variable to record the maximum identifier + length. + (num_operands): New function to return the number MATCH_OPERAND's + and MATCH_OPERATOR's in an insn tree. + (gen_proto): New function to print out a prototype for an insn. + (gen_nonproto): New function to print out a declaration without a + prototype. + (gen_insn): Don't emit function declarations here, just save the + insn on either the call_obstack if it is call or call_value, or + normal_obstack otherwise. + (main): Initialize call_obstack, normal_obstack. After all insns + are processed, emit function declarations with and without + prototypes, depending on whether NO_MD_PROTOTYPES, and + CALL_MD_PROTOTYPES are defined. + + * rtl.h (PROTO): If not defined, define to either expand + prototypes or just expand to (), depending on whether or not, the + host compiler supports ANSI C. + (NULL_PTR): Define as void * if we have prototypes. + (all function declarations): Add prototypes for all functions + where it is feasible to do so, using the PROTO macro. + (force_reg): Add declaration. + (eliminate_constant_term): Ditto. + (output_constant_def): If tree.h has been included, add prototype. + (immed_real_const): Ditto. + (immed_real_const_1): Ditto. + (make_tree): Ditto. + + * tree.h (PROTO): If not defined, define to either expand + prototypes or just expand to (), depending on whether or not, the + host compiler supports ANSI C. + (NULL_PTR): Define as void * if we have prototypes. + (all function declarations): Add prototypes for all functions + where it is feasible to do so, using the PROTO macro. Do not + define prototypes for build_binary_op, or build_indirect_ref, + since GNU C and GNU G++ have different numbers of arguments. Do + not define prototypes for make_tree, since it takes a rtx as the + argument, and rtl.h is included after tree.h. + +Sat Aug 8 07:36:19 1992 Tom Wood (wood@dg-rtp.dg.com) + + * cp-lex.c: Include stdlib.h and locale.h if needed. + (errno): Declare only if it isn't a macro. + * cp-tree.c (__eprintf): `line' is unsigned. + * cp-typeck.c (mark_addressable): Use DECL_EXTERNAL not TREE_EXTERNAL. + +Fri Aug 7 00:16:28 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * gcc.c (read_specs): Cast args of xmalloc and read to unsigned. + + * final.c (final_scan_insn): Use ASM_OUTPUT_ADDR_DIFF_ELT + and ASM_OUTPUT_ADDR_VEC_ELT only if defined. + +Thu Aug 6 22:00:13 1992 Jim Wilson (wilson@wookumz.gnu.ai.mit.edu) + + * sched.c (true_dependence): An unchanging read is guaranteed + independent of a store only if the store is not unchanging. + (anti_dependence): Added comment about unchanging reads. + (sched_analyze_2): Don't ignore unchanging reads, they may be + dependent on unchanging writes. + + * sparc.md: Correct DEFINE_SPLITs added Jul 27. They would + overwrite the input register if it was the same as the result reg. + +Thu Aug 6 16:25:48 1992 Jeffrey A. Law (law@schirf.cs.utah.edu) + + * pa.h (ASM_FILE_START): If profiling IMPORT "_mcount" instead of + "__gcc_mcount". + + * These changes allow the PA to make use of the BSS subspace. They + require you to use the HPUX assembler or a fixed version of pa-gas + (available soon on jaguar.cs.utah.edu). + * pa.h (TARGET_SWITCHES): New switch "no-bss" which forces gcc not + to make use of the bss subspace. (For compatability with old buggy + versions of pa-gas.) + (ASM_FILE_START): Add $BSS$ subspace. + (BSS_SECTION_ASM_OP): New macro which tells the assembler to switch + to the bss subspace. + (EXTRA_SECTIONS): Define in_bss as an extra section. + (EXTRA_SECTION_FUNCTIONS): Define "bss_section" function to switch + into the bss subspace. + (ASM_OUTPUT_COMMON): If !TARGET_NO_BSS, then place commons into the + bss subspace. + (ASM_OUTPUT_LOCAL): Likewise. + +Thu Aug 6 13:04:16 1992 Tim Moore (moore@defmacro.cs.utah.edu) + + * gvarargs.h : Check hp800 symbol too for the hppa case. + * va-pa.h : Rewrite to be compatible with hpux. + * pa.c (hppa_builtin_saveregs): Rewrite. + (secondary_reload_class): Bug fix. + (arith32_operand): New function. + +Wed Aug 5 11:23:05 1992 Tom Wood (wood@dg-rtp.dg.com) + + * m88k.h (EXTRA_SECTIONS, svr3): Delete empty definitions for + CTORS_SECTION_FUNCTION and DTORS_SECTION_FUNCTION. Add in_ctors + and in_dtors. + +Tue Aug 4 23:54:15 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * gcc.c (default_compilers): For output of as when -c is not used, + use %g, rather than %b, because the file is going to be deleted + anyway. + +Tue Aug 4 20:30:12 1992 Michael Meissner (meissner@osf.org) + + * cp-decl.c (grokdeclarator): Call build_type_variant to set const + and volatile flags, since build_reference_type does not take those + arguments. + + * cp-parse.y (attribute processing): Correctly call tree_cons with + three arguments, passing NULL_TREE for the chain argument. + + * cp-tree.h (hash_chainon): Add declaration for this function. + (build_virtual_init): Ditto. + (build_vbase_delete): Ditto. + (build_vbase_vtables_init): Ditto. + + * cp-typeck.c (build_modify_expr_1): Pass 0 as third argument to + build_unary_op. + (build_modify_expr): Ditto. + +Tue Aug 4 18:10:46 1992 Mike Stump (mrs@wombat.gnu.ai.mit.edu) + + * cp-tree.h, tree.h: Moved definitions of TREE_VIA_* into tree.h for + consistency. + +Tue Aug 4 17:35:32 1992 Mike Stump (mrs@albert.gnu.ai.mit.edu) + + Complete 10th FSF <---> Cygnus merge. + + Tue Aug 4 12:58:59 1992 Mike Stump (mrs@cygnus.com) + + * cp-decl.c (pushtag): Don't set DECL_IGNORED_P for binding + layer markers, use only DECL_SOURCE_LINE == 0, as otherwise, + it messes up dbxout.c. + + Tue Aug 4 11:59:36 1992 Mike Stump (mrs@cygnus.com) + + Tue Aug 4 13:43:55 1992 Chip Salzenberg (chip@tct.com) + + * cp-method.c (hack_identifier): Remove redundant call of + assemble_external. + + Tue Aug 4 10:23:02 1992 Chip Salzenberg (chip@tct.com) + + * cp-decl.c (pushdecl): Any kind of DECL should be good enough + at global scope, not just a TEMPLATE_DECL. + + Sun Aug 2 21:12:55 1992 david d `zoo' zuhn (zoo at cirdan.cygnus.com) + + * cp-tree.c: change definition of __eprintf to match libgcc2.c and + assert.h + + Fri Jul 31 16:53:26 1992 Mike Stump (mrs@cygnus.com) + + * cp-tree (break_out_calls): Only make ony copy of a node on + 's' and 'e' nodes. Handle 'r' just like 's' and 'e' because + nodes of type 'r' can be of different sizes (the old code + would do the wrong thing for a COMPONENT_REF). + + Thu Jul 30 11:46:14 1992 Michael Tiemann (tiemann@rtl.cygnus.com) + + * cp-init.c (emit_base_init): Set transparent basetypes (those w/o + ctors) as marked if we need to walk up the tree to find a ctor. + + Wed Jul 29 03:25:51 1992 Michael Tiemann (tiemann@rtl.cygnus.com) + + * cp-decl.c (grokdeclarator): In SCOPE_REF case, sort out visibility + declarations from other declarations, since the compiler will + ultimately handle them differently. This is a part of the solution + to p525. + (finish_method): Tentative (and probably wrong) fix for carrying + along inline methods delcared within a class that really belong to + nested classes of the class. This may be more of the solution to + p525. + + * cp-init.c (build_offset_ref): Use IDENTIFIER_TYPE_VALUE of CNAME + when CURRENT_CLASS_DECL is 0. + + * cp-class.c (finish_struct): Don't give errors for TYPE_DECLs in a + struct that are really only meant for FIELD_DECLs. + + Tue Jul 28 23:36:58 1992 Mike Stump (mrs@cygnus.com) + + * cp-decl.c (grok_op_properties): Do not core dump on parse errors. + + Tue Jul 28 22:43:12 1992 Mark Eichin (eichin@cygnus.com) + + * cp-pt.c (end_template_instantiation) YYDEBUG is now defined in + cp-parse.h -- so don't assume that it's -2 (since under byacc it is + -1 anyway.) iomanip.C compiles again. + + Tue Jul 28 22:33:46 1992 Mike Stump (mrs@cygnus.com) + + * cp-typeck.c (build_c_cast): Allow cast to array type in + some situations to be more compatible with Cfront. + + Tue Jul 28 22:05:14 1992 Mark Eichin (eichin@cygnus.com) + + * cp-parse.y (print_parse_statistics): don't reference TOKEN_LENGTH + or REDUCE_LENGTH unless GATHER_STATISTICS is set. (YYDEBUG alone is + not a sufficient condition.) + + Tue Jul 28 19:18:30 1992 Mike Stump (mrs@cygnus.com) + + * cp-tree.c (break_out_calls): Don't do anything special to + SAVE_EXPRs, as they cannot contain calls that would need + breaking out. This fixes a problem introduced on Jul 15, by + Ron Guilmette. + + Mon Jul 27 16:55:52 1992 Mike Stump (mrs@cygnus.com) + + * c++: Fix errors introduced by rms. Bullet-proof handling + of arguments with funny things in them such as newlines, + spaces, tabs, single quotes, double quotes, etc... + + Mon Jul 27 15:03:23 1992 Ken Raeburn (raeburn@cygnus.com) + + * cp-init.c (build_vec_delete): Extract size of type even for + destructorless types, so value can be computed to pass to delete + operator. + + * Bludgeon interface/implementation code into leaving templates + alone, until we've figured out how to handle their interaction + properly: + * cp-parse.y (template_instantiate_once): Temporarily set interface + flags to `unknown' while processing member templates. + * cp-decl.c (grokfndecl): Even if class vtable is getting written + out, regardless of interface setting of class and write_virtuals + flag, don't force virtual destructor of template class to be public. + * cp-tree.h (struct pending_inline): New field `interface'. + * cp-lex.c (do_pending_inlines): Restore interface flags from stored + values, rather than calling extract_interface_info. + (process_next_inline): Likewise, if more pending inlines exist; else + do call extract_interface_info. + (reinit_parse_for_method): Save away interface flags. + (cons_up_default_function): Ditto. + * cp-pt.c (instantiate_template): Set saved interface flag to + `unknown'. + (end_template_instantiation): Set CLASSTYPE_INTERFACE_UNKNOWN. + + * cp-pt.c (instantiate_member_templates): Deleted some unused code. + + * cp-decl.c (grokfndecl): Make class methods public if + `implementation' pragma is set. + + * cp-pt.c (pending_templates): No longer exported. + (add_pending_template): Ditto. + * cp-parse.y (primary): Don't check it; always call + do_pending_templates. + + Fri Jul 24 14:22:39 1992 Mike Stump (mrs@cygnus.com) + + * cp-decl.c (init_decl_processing, finish_function), + cp-method.c (build_decl_overload, build_opfncall), cp-init.c + (build_x_delete, build_delete, build_vec_delete): Add support + for two argument delete to support ARM 12.5. In some cases, + the argument is smaller than it should be. + + Thu Jul 23 08:12:16 1992 Mike Stump (mrs@cygnus.com) + + * cp-lex.c: Update wide character handling from c-lex.c and make + the type of multicharacter constants be int per ANSI C++ WP. + + * cp-decl.c (init_decl_processing, grokdeclarator), cp-lex.h, + gplus.gperf, cp-lex.c (init_lex), cp-decl2.c (groktypefield), + cp-method.c (build_overload_name): Add support for wchar_t as a + distinct type to conform to x3j16 working paper. + * cp-hash.h: Regenerated. + + Wed Jul 22 17:41:08 1992 Mark Eichin (eichin@cygnus.com) + + * cp-parse.y (structsp): note_got_semicolon was called before + finish_struct (which always clears the got_semicolon bit.) However, + note_got_semicolon was only called if yychar==';', without checking + for YYEMPTY. + + Tue Jul 21 22:59:32 1992 Michael Tiemann (tiemann@rtl.cygnus.com) + + * cp-typeck.c (mark_addressable): If we have a recursive call to an + otherwise inline function, clear TREE_EXTERNAL so the whole function + is written to the asm file. + + Tue Jul 21 05:31:10 1992 Ken Raeburn (raeburn@cygnus.com) + + * cp-tree.h (start_type_method): Deleted unused declaration. + + * cp-pt.c (tsubst): Fix propagation of qualifiers in several cases. + + * cp-pt.c (tsubst, case FUNCTION_DECL): Look for matches that differ + only in return type. + + * cp-pt.c (tsubst, case FUNCTION_DECL): Rewrite name of + type-conversion operators, in case the target type involves a + template parameter. + + Mon Jul 20 03:35:44 1992 Michael Tiemann (tiemann@rtl.cygnus.com) + + * cp-class.c (add_virtual_function): Don't crash if + CURRENT_CLASS_TYPE is NULL_TREE. + * cp-decl2.c (grokfield): Ditto. + +Tue Aug 4 15:36:07 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * c-decl.c (finish_decl): Don't do expand_decl_init for FUNCTION_DECL. + + * c-typeck.c (build_conditional_expr): Merged const and volatile flags + of incoming types. + +Tue Aug 4 11:15:47 1992 Chip Salzenberg (chip@tct.com) + + * c-decl.c (finish_struct): If bit field is of an unsigned + type that promotes to int, promote it unsigned if traditional + or if it is the same size as int. + (start_function): Ditto for function return value. + * c-typeck.c (default_conversion): Ditto -- fix bug that + promotes short to unsigned if sizeof(short) == sizeof(int). + +Tue Aug 4 15:12:51 1992 Tom Wood (wood@dg-rtp.dg.com) + + * svr3.h (USING_SVR3_H): Define. + * svr4.h (USING_SVR4_H): Define. + * aoutos.h (USING_AOUTOS_H): Define. + * m88k.h (EXTRA_SECTIONS): Base on the above defines. + +Tue Aug 4 14:22:44 1992 Jim Wilson (wilson@sphagnum.cygnus.com) + + * dbxout.c: Include output.h. + +Tue Aug 4 00:21:06 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * Makefile.in (install-common): Install protoize and related files + if they were compiled. + (install-proto): Target deleted. + (dbxout.o): Depend on output.h. + +Mon Aug 3 02:04:03 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * c-decl.c (finish_function): Test only can_reach_end for the warning + about reaching the end of a non-void function. + (poplevel): If apparently nested inline function has + DECL_ABSTRACT_ORIGIN, don't output it; propagate TREE_ADDRESSABLE. + (pushdecl): When copying inline details into an extern decl, + copy DECL_RESULT, TREE_ASM_WRITTEN. Set DECL_ABSTRACT_ORIGIN. + + * c-parse.y (datadef): For empty declaration, use pedwarn. + * objc-parse.y (datadef, mydecl): Likewise. + + * Makefile.in (install-cross-tools): Install nm from tooldir. + + * varasm.c: Include real.h. + * sparcv4.h: Don't include real.h. + + * flow.c (mark_used_regs): Do recurse in setting of global hard reg. + Do set reg_next_use for global hard reg. + + * objc-parse.y (reserved_declspecs, declmods): Change as in c-parse.y. + +Mon Aug 3 03:24:17 1992 Paul Eggert (eggert@twinsun.com) + + * c-parse.y (reserved_declspecs): Warn if storage class occurs here. + (declmods): Warn if storage class is not first. + +Sun Aug 2 21:44:34 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * emit-rtl.c (gen_rtx, case REG): Don't use frame_pointer_rtx or + arg_pointer_rtx if reload is in progress. + + * jump.c (jump_optimize): When replacing jumps with logical + expressions, use preserve_subexpressions_p. + + * calls.c (expand_call): Use HOST_WIDE_INT instead of int when + comparing a pointer to an integer constant. + * flow.c (find_use_as_address): Likewise; also when returning int. + * integrate.c (expand_inline_function): Cast -1 to (HOST_WIDE_INT) + first. + + * cse.c (canon_hash): Use HOST_WIDE_INT instead of int when casting + pointers to integers. + * print-tree.c (print_node): Likewise. + * tree.c (TYPE_HASH): Likewise. + * varasm.c (const_hash, SYMHASH): Likewise. + + * toplev.c: (main): Don't cast pointers to int unnecessarily. + + * tree.c: Include function.h after tree.h. + + * rtl.h (NOTE_BLOCK_NUMBER): Change definition to simpler form. + (SET_NOTE_BLOCK_NUMBER): Deleted. + (xrealloc, oballoc, permalloc): Declare here as well as in tree.h. + * function.c (identify_blocks, reorder_blocks): Don't use + SET_NOTE_BLOCK_NUMBER. + + * varasm.c (struct addr_const): Use HOST_WIDE_INT for OFFSET. + + * combine.c (reg_sign_bit_copies): New variable. + (combine_instructions): Initialize it. + (set_significant): Set it. + (try_combine): Set subst_low_cuid immediately before calling `subst' + to the INSN_CUID of the lowest insn involved in the call. + Change XOR with out-of-range constant to (not (xor ...)). + Call both split_insns and find_split_point; pass extra parm to + find_split_point. + Record I2DEST's value if I2 now sets it; similarly for I1DEST. + (find_split_point): Add new arg INSN. + If AND'ing with a large single-bit constant and we only care about + equality with zero, replace with bit extraction. + Make two shifts for ZERO_EXTRACTs unless very narrow. + (subst): Move RESTART label earlier. + If we have a simple operation applied to IF_THEN_ELSE, move + the operation inside the two arms. + (subst, case SUBREG): Use force_to_mode. + (subst, case NOT): Change (not (xor X C)) to (xor X ~C). + (subst, case NEG): Remove optimization of (neg (abs X)); redundant. + Convert (neg (xor A 1)) to (plus A -1) if A is known to be 0 or 1. + (subst, case IF_THEN_ELSE): Simplify if an arm contains a register + being tested by substiting the known value. + Put constant integer in last arm is can reverse comparison. + (subst, case SET): Use gen_lowpart_for_combine. + (subst, case AND): Make IF_THEN_ELSE when appropriate. + (subst, case IOR): (ior A C) can sometimes be just C. + (subst, case XOR): Go back and restart when canonicalizing. + (subst, case ABS): Use num_sign_bit_copies. + (make_extraction): Call force_to_mode. + (make_compound_operation): Look at optabs rather that explicitly + checking for operations and assuming we have SImode. + Handle (ashiftrt (OP (ashift foo C1) C3) C2). + (force_to_mode): Only change mode of arithmetic if optab says we + have operation in that mode. + Remove unneeded ASHIFTRT; add handling for IF_THEN_ELSE. + (significant_bits, case NEG): Call num_sign_bit_copies. + (significant_bits, case ABS, case [US]{MIN,MAX}, IF_THEN_ELSE): New. + (num_sign_bit_copies): New function. + (simplify_shift_const): Remove ASHIFTRT if value is known -1 or 0. + Use num_sign_bit_copies to simplify (ashiftrt (ashift ...) ...) + and (ashiftrt (neg ...) ...). + Remove now redundant case when VAROP is a PLUS. + (simplify_comparison): If A is known to be -1 or 0, A != -1 is A == 0. + Simplify unsigned tests that really check the sign bit. + (simplify_comparison, case ASHIFTRT): Convert to LSHIFTRT if + equality comparison with zero. + (get_last_value): Check if the desired register is set in the + insn before the one whose INSN_CUID is subst_low_cuid. + + * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Add missing + call to TREE_CODE. + + * reload1.c (reload): Set reload_in_progress earlier. + + * fold-const.c (optimize_bit_field_compare): Correct bogus use of + types in expressions; always do computation in a type wide enough + for the result. + +Sun Aug 2 01:30:22 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * objc-parse.y (attrib): Copied from c-parse.y. + +Sat Aug 1 13:34:49 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * c-pragma.c (HANDLE_PRAGMA_WEAK): Define only if SET_ASM_OP defined. + + * vax-vms.h: Renamed from vms.h. + * xm-vax-vms.h: Renamed from xm-vms.h. + * configure (vax-*-vms): Change file names. + +Sat Aug 1 16:13:09 1992 Mark Eichin (eichin@cygnus.com) + + * config/spc-sol2.h (ASM_OUTPUT_DWARF_STRING): redefinition was + incorrect, and uneeded; while Solaris as doesn't support .string, it + does support .asciz, and sparcv4.h takes care of including that + definition. + +Fri Jul 31 08:19:41 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu + + * combine.c (try_combine): Correctly handle implicit deaths of + I2DEST and I1DEST. + + * cexp.y: Add declaration for xmalloc. + + * cccp.c: Add declarations for malloc and realloc. + Include stddef.h when __STDC__ is defined. + (PTR_INT_TYPE): New macro. + (pcfinclude): Use it. + + * c-decl.c (init_decl_processing): __builtin_return_address, + __builtin_frame_address, and __builtin_saveregs all return void *. + + * reload.c (find_reloads_address_1): Convert another push_reload + call into a call to find_reloads_address_part. + + * reload1.c (gen_input_reload): Correct order of insns emitted + when using secondary memory. + + * reload1.c (reload_as_needed): Add missing semicolon after macro. + + * combine.c (distribute_notes, case REG_DEAD): If a register used + exactly twice is referenced in both I2 and I3, show it is used 3 times. + + * final.c (output_operand): Abort if X is a pseudo. + + * cse.c (exp_equiv_p, case CONST_INT): Use INTVAL instead of XINT. + + * expr.c (convert_move): Put FROM into a register if it is a SUBREG. + (For extension case.) + +Fri Jul 31 08:19:05 1992 Tom Wood (wood@dg-rtp.dg.com) + + * function.c (reposition_prologue_and_epilogue_notes): Search for + the notes without using basic_block_end[0] or basic_block_head[N-1]. + +Fri Jul 31 08:18:18 1992 Michael Meissner (meissner@osf.org) + + * reorg.c (get_branch_condition): Return 0 if all tests fall through. + +Fri Jul 31 02:28:02 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * glimits.h: Renamed from limits.h. + * Makefile.in (LIMITS_H): Deleted. + (install-limits-h): Use glimits.h, not limits.h. + * libgcc2.c: Include glimits.h. + +Thu Jul 30 09:54:07 1992 Tom Wood (wood@dg-rtp.dg.com) + + * m88k.h (FUNCTION_BOUNDARY, ASM_OUTPUT_ALIGN_CODE): Pack code + more tightly for the m88110. + + * m88k.md (cpu attribute): List m88100 first for more efficient + code in insn-attrtab.c. + + * m88k.md (rotate/and split pattern): Fix typo. + +Thu Jul 30 00:02:45 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * i860mach.h: New file. + * configure (i860-*-mach*): New alternative. + + * svr3.h (BSS_SECTION_FUNCTION): New macro. + (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Enable these. + * tower-as.h (BSS_SECTION_FUNCTION): Deleted. + * dpx2.h (EXTRA_SECTION_FUNCTIONS): Deleted. + * att386.h (BSS_SECTION_FUNCTION): #undef before defining. + + * i860v3.h (USE_CONST_SECTION): #undef before defining. + +Wed Jul 29 20:04:55 1992 Jim Wilson (wilson@wookumz.gnu.ai.mit.edu) + + * sparc.md (cmpsi): Delete 'J' constraint. + +Wed Jul 29 00:38:45 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * c-lex.c (yylex): When traditional, convert 0x80000000 to -0x80000000. + + * gcc.c (link_command_spec): Accept -static but do nothing with it. + + * loop.c (move_movables): When testing whether a reg contains + the function address of a call_insn in a libcall block, + use reg_referenced_p, to ignore destinations. + + * stor-layout.c (layout_record): Take account of + maximum_field_alignment when using the field's alignment. + + * c-parse.y (attrib): Fix previous change--the missing arg + was the last arg. + + * fixincludes: Don't repeat the directory-link-chasing loop + more than twice. Combine $prevdirs with $dirs--they had same value. + Properly discard $d itself from the output of find. + Find the links to directories by finding each link + and testing it with test. Add $newdirs into $files. + +Tue Jul 28 12:46:31 1992 Michael Meissner (meissner@osf.org) + + * c-common.c (decl_attributes): Call layout_decl with two arguments. + + * c-parse.y (attribute processing): Correctly call tree_cons with + three arguments, passing NULL_TREE for the purpose argument. + + * emit-rtl.c (make_insn_raw): Eliminate unused argument pat_formals, + and modify all callers. + (make_jump_insn_raw): Ditto. + + * reorg.c (fill_slots_from_thread): Function follow_jumps only takes + one argument. + (relax_delay_slots): Ditto. + +Tue Jul 28 16:04:43 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * dpx2g.h (ASM_OUTPUT_IDENT): #undef it. + + * c-decl.c (duplicate_decls): Handle warn_redundant_decls here. + But don't warn if function definition follows a declaration. + (pushdecl): Don't handle it here. + (grokparms): Don't warn about non-prototype decl in system header. + + * c-convert.c (convert): If main variants match, + but the type is not identical, make a NOP_EXPR. + +Tue Jul 28 10:06:18 1992 Jim Wilson (wilson@sphagnum.cygnus.com) + + * mips.md: Correct use of `*' in constraints. Put it before each + letter to ignore, not each group to ignore. + +Tue Jul 28 01:23:35 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * dbxout.c (dbxout_parms): Do something for structures + passed by invisible reference, and living in memory. + + * gstddef.h (wchar_t): Alternate typedef for C++. + + * Makefile.in (extraclean): Delete config/ChangeLog. + + * m68k.md (probe): Use %a0 to output the address. + +Mon Jul 27 20:08:21 1992 Mike Stump (mrs@hal) + + * c++: Fix errors introduced by rms. Bullet-proof handling of + arguments with funny things in them such as newlines, spaces, tabs, + single quotes, double quotes, etc... + +Mon Jul 27 17:38:52 1992 Jim Wilson (wilson@wookumz.gnu.ai.mit.edu) + + * sparc.md: Add DEFINE_SPLITs to optimize logic operation with + certain immediate values. + + * sparc.md: Correct inconsistent operand constraints in peepholes. + + * sparc.h (ASM_LONG, ASM_SHORT, ASM_BYTE_OP): Definitions added. + (ASM_OUTPUT_DOUBLE): Use REAL_VALUE_TO_TARGET_DOUBLE to convert. + (ASM_OUTPUT_FLOAT): Use REAL_VALUE_TO_TARGET_SINGLE to convert. + (ASM_OUTPUT_INT): Use ASM_LONG pseudo-op. + (ASM_OUTPUT_SHORT): Use ASM_SHORT pseudo-op. + (ASM_OUTPUT_CHAR): Use ASM_BYTE_OP pseudo-op. + (ASM_OUTPUT_BYTE): Use ASM_BYTE_OP pseudo-op. + +Mon Jul 27 17:10:19 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * gstdarg.h (va_arg): Don't use +=; no need to set AP twice. + +Sun Jul 26 14:21:13 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * final.c (final_scan_insn): Align jump table only if + READONLY_DATA_SECTION. Otherwise, the table is in the text section. + + * collect2.c (dup2): Defined, if NO_DUP2. + + * plexus.h: New file. + * m68k.c (output_function_prologue): Make a probe instruction + if NEED_PROBE if nonzero. + * configure (m68k-plexus-sysv*): New alternative. + + * c-convert.c (convert): Succeed if TYPE is the main variant + of the given type. + * c-typeck.c (build_conditional_expr): Compare using TYPE_MAIN_VARIANT. + + * c-decl.c (duplicate_decls): Copy old RTL *before* make_var_volatile. + +Sat Jul 25 21:45:44 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * c-decl.c (pushdecl): Never reuse global fcn decl in place of + local extern; just copy some info from it. + +Sat Jul 25 06:14:58 1992 Tom Wood (wood@dg-rtp.dg.com) + + * expmed.c (expand_divmod): Eliminate the generation of branches + when possible. + +Sat Jul 25 04:34:09 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * fixincludes (X11/Xmu/Xmu.h): Fix this or X11/Xmu.h, + whichever exists. + +Sat Jul 25 00:41:12 1992 Paul Eggert (eggert@twinsun.com) + + * c-parse.y (datadecl): Diagnose empty declarations in old-style + function headers. + * c-decl.c (shadow_tag_warned): New function. + + * c-lex.c (yylex): Diagnose `1.0fl'. Issue just one + diagnostic for `1e1000000f'. + +Fri Jul 24 19:25:51 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * dbxout.c (dbxout_symbol): Distinguish implicit C++ typedefs + from explicit C typedefs for structs, using DECL_SOURCE_LINE. + + * c-decl.c (duplicate_decls): Use TYPE_MAIN_VARIANT even for compares + with void_type_node. + (grokdeclarator, get_parm_info, store_parm_decls): Likewise. + +Fri Jul 24 10:07:13 PDT 1992 Ron Guilmette (rfg at ncd.com) + + * dwarfout.c (is_tagged_type): New function added. + (member_attribute): Use it. + (type_ok_for_scope): Rewritten to eliminate serious bugs. + (output_type): Call `output_pending_types_for_scope' at the end of + struct/union types (which are themselves scopes in C++). + +Fri Jul 24 13:36:46 1992 Michael Meissner (meissner@osf.org) + + * dbxout.c (toplevel): Include defaults.h to get the definition of + ASM_STABD_OP. + + * Makefile.in (dbxout.o): Add defaults.h dependent. + + * i386rose.h (CC1_SPEC): Remove MIPS switches accidently left in. + +Thu Jul 23 09:49:43 PDT 1992 Ron Guilmette (rfg at ncd.com) + + * dwarfout.c (is_body_block): Rewritten for greater saftey. + (output_block): Fixed to deal correctly with non-inlined blocks. + +Thu Jul 23 15:37:23 1992 Jeffrey A Law (law at schirf.cs.utah.edu) + + * flow.c (propagate_block): Change "struct foo" to "struct sometimes". + +Thu Jul 23 15:10:51 1992 Tom Wood (wood@dg-rtp.dg.com) + + * m88k.h (ASM_OUTPUT_CASE_LABEL): Change to readonly section if the + table contains addresses. + (JUMP_TABLES_IN_TEXT_SECTION): True by default. + +Thu Jul 23 13:54:27 1992 Michael Meissner (meissner@osf.org) + + * mips.c (large_int): Use HOST_WIDE_INT type to hold INTVAL. + (gen_int_relational): Ditto. + (gen_conditonal_branch): Don't emit any insns if the result is + always false, and emit a normal jump if the result is always true. + + * mips.c (mips_move_1word): Count LABEL_REF's as a memory + reference. Rework half-pic load of symbols, to not expect movsi + to have converted the load address into a load, and for CONST's, + do the addition after the pointer is loaded. + + * mips.md (type attribute, movsi3): Eliminate 'pic' attribute, + just use 'load' instead. + (fix_truncdfsi2): Make this a define_insn, instead of a + define_exapnd and an insn, and use match_scratch to allocate the + two scratch registers. Adjust length costs, so that they match + the current code the assembler produces. + (fix_truncsfsi2): Ditto. + (movsi): Don't convert load of half-pic addresses and CONST's into + the real load. It causes more problems than it solves. Adjust + cost of half-pic addresses to be 2, not 4. + + * mips-tfile.c (parse_def): Allow spaces in names, since C++ + templates produce things like: #.def SMANIP<long unsigned int>; ... + (parse_stabs_common): Code from Lisa Repka, to handle symbol +/- + offset, and to look up things in the external string table, if the + name is not found in the local string table. + +Wed Jul 22 13:08:33 1992 Jeffrey A. Law (law@schirf.cs.utah.edu) + + * sparc.md (movdf+1): Use new 'T' and 'U' constraints to + determine when an ldd or std will have a length of 1, and + therefore is eligible for use in some delay slots. + (uncond_branch): New attribute used for unconditional branches. + All unconditional branch patterns changed. + (define_delays and delay slot attributes): Do not allow + uncond_branch instructions in delay slots. Do not allow fpload or + fpstore operations in a conditional branch delay slot. Allow + fpload and fpstore in call, unconditional branch, and annuled + conditional branch delay slots. + + * sparc.c (registers_ok_for_ldd_peep, addrs_ok_for_ldd_peep): + Functions renamed from registers_ok_for_ldd and + memory_ok_for_ldd respectively. All callers changed. + (register_ok_for_ldd): New function to determine if a register is + a pseudo or the first register in a hard register pair. + (mem_aligned_8): No longer static. Return 0 instead of aborting + when presented an rtx which is not a MEM. + (eligible_for_epilogue_delay): Use in_uncond_branch_delay since + this in an unconditional branch. + + * sparc.h (EXTRA_CONSTRAINT) Add new 'T' and 'U' constraints + which check for aligned accesses to memory and register pairs. + +Wed Jul 22 11:22:37 1992 Michael Meissner (meissner@osf.org) + + * mips.h (MIPS_VERSION): Bump meissner version number to 22. + (extern declarations): Add declarations for asm_file_name, + call_used_regs, langguage_string, save_argv, version_string, + mips_{begin,end,expand}_{pro,epi}logue, simple_epilogue_p, + {address,const_{double,int},general,{,non}immediate}_operand, + memory_address_p, {{,non}memory,register,scratch}_operand, + abort_with_insn, debug_rtx, fatal_io_error, get_frame_size, + offsettable_address_p, output_address, permalloc, + reg_mentioned_p, abort, atoi, getenv, mktemp, and + mips_expand_{epi,pro}logue. + (*_REGNUM): Add in GP_REG_FIRST in case registers are ever + renumbered. + (struct mips_frame_info): Add num_gp, num_fp fields. + (SECONDARY_MEMORY_NEEDED): Define, return 1 unless -mdebugh if + moving between FP <-> GP registers. + + * mips.c (extern declarations): Move most of the declarations to + mips.h, except for those of type 'rtx' or 'tree', since not all + files include rtl.h and tree.h. Add more declarations for gen_xxx + functions that are now used. + (reg_or_0_operand): Add default case for switch on enumeration, to + allow compiling with -Wall. + (simple_memory_operand): Ditto. + (mips_count_memory_refs): Ditto. + (mips_move_1word): Ditto. + (mips_move_2words): Ditto. + (mips_address_cost): Ditto. + (map_test_to_internal_test): Ditto. + (mips_move_1word): Align asm comments in loading negative ints. + (mips_move_1word): Use GEN_INT macro to generate CONST_INT's. + (mips_move_2words): Ditto. + (gen_int_relational): Ditto. + (block_move_load_store): Ditto. + (block_move_loop): Ditto. + (expand_block_move): Ditto. + (block_move_load_store): #if 0, not currently used. + (block_move_sequence): Ditto. + (compute_frame_size): Fill in num_gp and num_fp fields. + (simple_prologue_p): Rename from null_prologue. + (save_restore_insns): New function to emit appropriate save and + restore operations for prologue/epilogue -- only prologue used at + present. + (function_prologue): Move generation of instructions to + mips_expand_prologue. + (mips_expand_prologue): Generate appropriate insns for the + prologue of the function. + (mips_expand_epilogue): Generate appropriate insns for the + epilogue of the function -- not called at present. + + * mips.md (ashldi3_internal): Add `&' constraint to operand 0. + (ashrdi3_internal): Add `&' constraint to operand 0. + (return): Turn this into a define expand that wraps a return and a + USE reg:31 inside of a parallel. + (return_internal): Insn form of return instruction. + (prologue): New define expand to generate the necessary + instructions for the function prologue. + (mov{si,hi,qi}): Split the integer move INSNs into two groups, + those that support -mdebugh and allow ints to be in floating + point registers, and those that don't allow it. + +Tue Jul 21 21:27:43 1992 Mike Stump (mrs@albert.gnu.ai.mit.edu) + + * Complete 9th Cygnus <---> FSF merge. + + Tue Jul 21 03:17:05 1992 Mark Eichin (eichin@cygnus.com) + + * cp-lex.c (process_next_inline): when bailing out on a parse error, + throw away nextchar as well in case it got set. + + Tue Jul 21 05:31:10 1992 Ken Raeburn (raeburn@cygnus.com) + + * cp-pt.c (tsubst, case FUNCTION_DECL): If the context class has a + null method vector, don't look inside it for its size. + + Thu Jul 16 16:02:55 1992 Per Bothner (bothner@rtl.cygnus.com) + + * cp-typeck.c (convert_for_assignment): If assigning (void*) + to a normal pointer, emit a warning, not an error. There is + a lot of existing code (including libg++ and converted C + code) that expects to be able to assign from (void*). + + Tue Jul 14 06:59:38 1992 Michael Tiemann (tiemann@rtl.cygnus.com) + + * cp-decl.c (finish_function): Call destructors correctly when + baseclasses are replicated in the inheritance hierarchy. + + Mon Jul 13 05:16:10 1992 Michael Tiemann (tiemann@rtl.cygnus.com) + + * cp-typeck.c (build_modify_expr): If we split a COND_EXPR in order + to perform the assignment in each arm, convert the rhs of each + branch according to RESULT_TYPE. + + * cp-typeck.c (convert_for_assignment): Treat null_pointer_node + specially when converting to non-void pointers. + + * cp-class.c (modify_vtable_entries): In the loop that modifies + vtable entries for each non-virtual baseclass, correctly handle + cases where BASE is an ambiguous baseclass for BASE_CONTEXT. + + Sun Jul 12 01:32:31 1992 Mike Stump (mrs@cygnus.com) + + Wed May 27 01:33:24 1992 Ron Guilmette (rfg at ncd.com) + + * cp-type2.c (store_init_value), cp-typeck.c + (build_modify_expr, convert_arguments, + build_binary_op_nodefault, convert_for_assignment), cp-parse.y + (member_init, template_def, datadef, stmt): changed some + pedantics into !traditionals and reworded error messages. + + Sun Jul 12 01:11:53 1992 Mike Stump (mrs@cygnus.com) + + Jul 1992 Ron Guilmette (rfg at ncd.com) + + * cp-decl.c (finish_function): Set BLOCK_SUPERCONTEXT for the + outermost scopes of functions to point to the associated + FUNCTION_DECL nodes. + + Fri Jul 10 17:52:36 1992 Ken Raeburn (raeburn@cygnus.com) + + * cp-decl.c (struct binding_level): New field pseudo_global + indicates that this binding level should be treated like the global + binding level in some respects. + (declare_pseudo_global_level, pseudo_global_level_p): Set and test + routines. + (push_overloaded_decl): Don't forget overloads in pseudo-global + binding levels. + * cp-pt.c (tsubst, case FUNCTION_DECL): Search for an existing decl + before creating a new one. + (overload_template_name): Make new level pseudo-global. + (type_unification): Indicate failure for unknown_type_node. + (unify): Likewise. + + Wed Jul 8 01:59:03 1992 Mike Stump (mrs@cygnus.com) + + * cp-decl.c (lookup_name, grokvardecl, grokdeclarator), + cp-call.c (build_field_call), cp-seach.c (lookup_field), + cp-typeck.c (build_component_ref), cp-lex.c (do_identifier), + cp-init.c (expand_member_init, build_member_call, + build_offset_ref): lookup_field now has 4 arguments. + + Wed Jul 8 01:14:43 1992 Mike Stump (mrs@cygnus.com) + + * cp-parse.y (primary): Call to lookup_name needs 2 arguments. + + Tue Jul 7 21:14:05 1992 Mike Stump (mrs@cygnus.com) + + * cp-method.c (build_overload_name): Handle INTEGER_TYPEs + cleanly and uniformly. + + Tue Jul 7 09:19:52 1992 Michael Tiemann (tiemann@rtl.cygnus.com) + + * cp-call.c (build_method_call): If `convert_to_pointer' returns + error_mark_node, return that without doing any more work. + + Thu Jul 2 15:42:28 1992 Mike Stump (mrs@cygnus.com) + + Thu Jul 2 18:08:42 1992 Chip Salzenberg (chip at tct.com) + + * cp-typeck.c (convert_arguments): Don't assume that error + message will be short enough for fixed-length buffer. + + Wed Jul 1 19:52:59 1992 Mike Stump (mrs at cygnus.com) + + Wed Jun 3 12:57:57 1992 Brendan Kehoe (brendan@cs.widener.edu) + + * cp-decl2.c (grokbitfield): Only do width checking on properly + parsed bitfields. + + Wed Jul 1 18:58:17 1992 Mike Stump (mrs at cygnus.com) + + Wed May 27 01:33:24 1992 Ron Guilmette (rfg at ncd.com) + + * cp-lex.c (readescape), cp-parse.y (unary_expr, maybecomma_warn, + component_decl_list, stmt), cp-type2.c (digest_init), cp-typeck.c + (c_sizeof, build_function_call_real, convert_arguments, + build_binary_op_nodefault, pointer_int_sum, pointer_diff, + build_unary_op, c_expand_return): change some warnings to + pedwarns. Put in new pedwarns, change wording of messages so that + they are more readable. Don't issue some warnings when + traditional is given. + + Wed Jul 1 13:56:30 1992 Mike Stump (mrs at cygnus.com) + + Wed Apr 29 23:37:00 1992 Niklas Hallqvist (niklas at appli.se) + + * cp-decl.c (finish_decl): make sure destructors are called for + objects in a file. + + Wed Jul 1 11:12:05 1992 Mike Stump (mrs at cygnus.com) + + * cp-lex.c: extract YYEMPTY out of the parser generated .c + file and put in the parser .h so that cp-lex.c does not have + to define it. + + Mon Jun 29 12:58:59 1992 Mike Stump (mrs at cygnus.com) + + Mon Jun 29 15:20:48 1992 Chip Salzenberg (chip at tct.com) + + * cp-cvt.c (convert_to_integer): Don't add a NOP_EXPR in cases + where we can simply change the type of the entire tree. + + Mon Jun 29 10:56:56 1992 Mike Stump (mrs at cygnus.com) + + * c++: Makes sure -lg++ comes before -lm since libg++ uses + things from libm. + + Mon Jun 22 13:47:42 1992 Mike Stump (mrs at cygnus.com) + + Sun Jun 21 14:06:41 1992 Brendan Kehoe (brendan at cs.widener.edu) + + * cp-typeck.c (convert_for_initialization): Only try to convert a + rhs that was parsed properly. + + Mon Jun 22 13:31:40 1992 Jim Wilson (wilson at sphagnum.cygnus.com) + + * cp-parse.y (primary): Clear the TREE_USED flag of a block tree + put in a BIND_EXPR. + + Sun Jun 21 09:59:58 1992 Michael Tiemann (tiemann at rtl.cygnus.com) + + * cp-type2.c (build_scoped_ref): Use SCRATCH for head of typelist, + rather than calling alloca. + + Fri Jun 19 16:23:02 1992 Mike Stump (mrs at cygnus.com) + + * cp-pt.c (unify): Type unification of things that do not have a + valid IDENTIFIER_TEMPLATE fail instead of core dumping. + + Wed Jun 17 13:36:04 1992 Michael Tiemann (tiemann at rtl.cygnus.com) + + * cp-pt.c (tsubst): Don't try to substitute into error_mark_node. + + * cp-decl.c (grokparms): Convert initializers that have + TREE_READONLY_DECL_P set into their constant equivalents. + + Tue Jun 16 19:09:23 1992 Mike Stump (mrs at cygnus.com) + + Wed Jun 3 12:57:57 1992 Brendan Kehoe (brendan at cs.widener.edu) + + * cp-decl.c (grokdeclarator): Disallow virtual functions in unions. + + Tue Jun 16 18:11:45 1992 Mike Stump (mrs at cygnus.com) + + Wed Jun 3 12:57:57 1992 Brendan Kehoe (brendan at cs.widener.edu) + + * cp-class.c (finish_struct): Forbid local classes to have static + members. + + Mon Jun 15 21:44:08 1992 Mike Stump (mrs at cygnus.com) + + Tue Jun 2 09:26:34 1992 Brendan Kehoe (brendan at cs.widener.edu) + + * cp-init.c (build_new): Don't allow the use of new on a reference. + + Mon Jun 15 20:52:08 1992 Mike Stump (mrs at cygnus.com) + + Tue Jun 2 09:26:34 1992 Brendan Kehoe (brendan at cs.widener.edu) + + * cp-decl.c (grokparms): Don't allow a local variable to be used + in a default argument expression. + + Mon Jun 15 18:54:28 1992 Mike Stump (mrs at cygnus.com) + + * cp-decl.c (finish_decl): Add an error message for uninitialized + const objects like const int a;. + + Mon Jun 15 16:05:22 1992 Mike Stump (mrs at cygnus.com) + + Not sure if it is strictly necessary for the C++ front end, but... + + Sun May 31 15:31:46 1992 Brendan Kehoe (brendan at cs.widener.edu) + + * cp-typeck.c (self_promoting_args_p): Allow the arg type to be + null (copied from Oct 16, 1991 change by Wood). + + Fri Jun 12 16:42:05 1992 Mike Stump (mrs at cygnus.com) + + * cp-typeck.c (build_binary_op_nodefault): Conditionalize code that + deals with the comparison of non-distinct object types, thus avoiding + a core dump. + + Fri Jun 12 10:23:17 1992 Mike Stump (mrs at cygnus.com) + + Wed Jun 10 19:20:29 1992 Brendan Kehoe (brendan at cs.widener.edu) + + * cp-tree.c (break_out_calls): Begin at 1 less than the length of + the length of the tree code, not the length itself, for generic + expressions and those with side-effects. + + Thu Jun 11 17:43:55 1992 Mike Stump (mrs at cygnus.com) + + * cp-init.c (expand_default_init): New function to handle the + details of default copy constructors and other magic in one place. + + * cp-init.c (expand_aggr_init_1): Implement default constructors + more fully. + + Thu Jun 11 17:16:54 1992 Mike Stump (mrs at cygnus.com) + + * cp-call.c (build_method_call): Don't produce an error message if + we are looking up things speculatively. + + Thu Jun 11 10:58:47 1992 Mike Stump (mrs at cygnus.com) + + * cp-call.c (convert_harshness): Penalize const arguments passed + into non-const parameters. + + Thu Jun 11 10:02:52 1992 Mike Stump (mrs at cygnus.com) + + * cp-typeck.c (build_c_cast): Implement more reference casts so + that one can cast a base reference to a derived reference. + +Tue Jul 21 15:28:36 1992 Jim Wilson (wilson@wookumz.gnu.ai.mit.edu) + + * sparc.h (SECONDARY_MEMORY_NEEDED): Define to force reload to + handle any copy between GENERAL_REGS and FP_REGS. + + * sched.c (schedule_block): Give some insns high priorities, + instead of excluding them from scheduling, to ensure that they end + up at the end of the block after scheduling. + + * i960.c (i960_output_ldconst): Use REAL_VALUE_FROM_CONST_DOUBLE + instead of pointer indirection to extract double from CONST_DOUBLE. + +Tue Jul 21 14:05:34 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * svr4.h (HANDLE_SYSV_PRAGMA): Defined. + + * sol-crt*.asm: Renamed from sol-crt*.s, and put in config. + * t-sol2 (crt*.o): Changed accordingly. Also use $(AS). + + * gbl-ctors.h (ON_EXIT): Test HAVE_ATEXIT before sun. + +Mon Jul 20 18:56:02 1992 Fred Fish (fnf at fishpond) + + * svr4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): New macro--default definition. + (ASM_OUTPUT_CASE_LABEL): Use that. + * m68ksgs.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Do the swbeg here. + (ASM_OUTPUT_CASE_LABEL): Use that. + + * configure (m68k-*-amix*): Use fixinc.svr4 and install.sh. + + * x-amix (ENQUIRE_CFLAGS): Remove; obsolete. + + * amix.h (TRANSFER_FROM_TRAMPOLINE): Remove #undef. + +Mon Jul 20 17:45:46 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * dbxout.c (dbxout_source_line): New function. + * final.c (output_source_line): Use that. + + * configure (sparc-*-sunos5*): New alias. + (sparc-*-solaris2*): Use t-sol2. + + * i860.md (mulsi3_little, mulsi3_big): New define_expand patterns. + (mulsi3): Just use one of them. + + * Makefile.in (install-fixincludes): Pass second and third args. + +Mon Jul 20 16:07:12 1992 Pat Rankin (rankin@eql.caltech.edu) + + * vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): change _c$main_args to + uppercase instead of relying on gas to make the case translation + +Sun Jul 19 00:04:16 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): New macro. + * c-decl.c (duplicate_decls, grokdeclarator, finish_struct): + Use C_PROMOTING_INTEGER_TYPE_P to decide whether a type promotes. + (start_function): Likewise. + * c-typeck.c (default_conversion): Use C_PROMOTING_INTEGER_TYPE_P + to decide whether a type should promote. + (self_promoting_args_p, self_promoting_type_p): Likewise. + + * c-aux-info.c (gen_type): For array type, state the size. + + * final.c (output_addr_const): Handle ZERO_EXTEND and SIGN_EXTEND. + * expr.c (expand_expr, NOP_EXPR case): If EXPAND_INITIALIZER, + generate ZERO_EXTEND or SIGN_EXTEND; don't emit insns. + + * function.c (assign_parms): Use const0_rtx as DECL_RTL and as + DECL_INCOMING_RTL if tmode of parm is void. + + * jump.c (mark_jump_label): Don't make REG_LABEL for nonlocal label. + * loop.c (add_label_notes): Don't make REG_LABEL for nonlocal label. + (rtx_renumbered_equal_p): Use == to compare nonlocal labels. + + * rtl.h (LABEL_REF_NONLOCAL_P): New macro. + * expr.c (expand_expr): Set LABEL_REF_NONLOCAL_P for nonlocal labels. + * reload1.c (set_label_offsets): Ignore nonlocal labels. + + * c-parse.y (primary): Set TREE_CONSTANT in the NOP_EXPR for an enum. + + * Solaris changes from Cygnus: + + * fixinc.svr4: take a third argument indicating where files to be + copied in should come from (useful when not building in source + directory). + Set TERM to dumb so ex won't hang (by zoo). + * fixincludes: Take the same new argument. + + * gmon-sol2.c: New file. + * t-sol2: New file. + * sol2-crt1.s, sol2-crti.s, sol2-crtn.s: New files. + + * xm-spcv4.h (ONLY_INT_FIELDS): Define, if __GNUC__. + + * sparc.h (FUNCTION_PROFILER): Use ASM_OUTPUT_INTERNAL_LABELREF. + (FUNCTION_BLOCK_PROFILER): Mark with FIXME that it needs work. + (ASM_OUTPUT_INTERNAL_LABELREF): Define. + * spc-sol2.h: Entire file is new except for + defining MD_STARTFILE_PREFIX. + * dbxout.c (dbxout_block): obey DBX_BLOCKS_FUNCTION_RELATIVE + (dbxout_init): Use ASM_IDENTIFY_GCC_AFTER_SOURCE if defined. + + * sparc.h (CONSTANT_ALIGNMENT): Add parens for Sun compiler. + +Sun Jul 19 11:03:56 1992 Fred Fish (fnf at fishpond) + + * i386v4.h (real.h): Remove apparently unnecessary inclusion. + * i386v4.h (HANDLE_SYSV_PRAGMA): Replaces HANDLE_PRAGMA. + +Sat Jul 18 20:37:37 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * c-typeck.c (build_binary_op): Don't set shorten for signed division. + + * final.c (end_final): Align the table of addresses. + +Fri Jul 17 23:49:28 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * cexp.y: Include stdio.h. + +Fri Jul 17 06:17:34 1992 Tom Wood (wood@dg-rtp.dg.com) + + * cp-tree.h (DECL_THIS_EXTERN): Renamed from DECL_EXTERNAL. + * cp-pt.c, cp-decl.c: Rename DECL_EXTERNAL -> DECL_THIS_EXTERN and + then rename TREE_EXTERNAL -> DECL_EXTERNAL. + +Fri Jul 17 05:59:26 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * function.c (instantiate_decls{,_1}): Don't do instantiation + here if the address is mode-dependent. + + * libgcc2.c: Include tconfig.h instead of tm.h. + Include machmode.h. + (__do_global_dtors): Cast to widest integer type, then narrow, to + avoid warning if int is narrower than pointer. + * Makefile.in (libgcc2.a): Includes machmode.h. + + * cse.c (cse_insn): Allow paradoxical SUBREGs in the table. + + * reload.c (secondary_memlocs{,_elim}): New variables. + (get_secondary_mem, clear_secondary_mem): New function. + (push_reload): Convert SUBREG of hard reg to new hard reg. + Call get_secondary_mem when needed. + (find_reloads): Clear secondary_memloc_elim for each insn. + * reload1.c (reload): If SECONDARY_MEMORY_NEEDED, check for frame + size changed. + Call clear_secondary_mem. + (emit_reload_insns, gen_input_reload): Use memory when required to + do reload. + * reload.h (get_secondary_mem): Declare. + + * cccp.c (NULL_PTR): Define as void * if STDC. + + * rs6000.md (negdi2): Corrected name; used to be negdi3. + + * combine.c (subst, case SET): Put code to move SUBREG after + code that calls make_compound_operation. + (make_extraction): Don't check for INNER a REG except for in dest. + Fix typo checking for REG. + (make_compound_operation): Get the result in the same mode it + used to be. + + * reload.c (push_reload): If a SUBREG requires a secondary reload + but the inner expression doesn't, reload the inner expression + instead. + +Fri Jul 17 02:20:51 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * gcc.c (process_command): Handle `-Wl,' and `-Wa,'. + (do_spec_1): Handle %Y. + (default_compilers): Use %Y in assembler commands. + + * function.c (assign_parms): In last change, test mode in parm type. + +Thu Jul 16 15:03:25 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * loop.c (find_and_verify_loops): Ignore jumps to missing labels, + when using P. + + * c-typeck.c (build_binary_op): Improve shift warning messages. + + * x-dpx2 (AS): Use $(GAS). + (GAS): New variable. + + * mot3300.h (ASM_OUTPUT_CASE_END): Deleted. + + * function.c (assign_parms): If arg was passed by invisible + reference, copy it to a pseudo if appropriate. + + * dwarfout.c (pure_or_virtual_attribute): + Add #if 0 around use of DECL_ABSTRACT_VIRTUAL_P. + +Wed Jul 15 16:29:05 PDT 1992 Ron Guilmette (rfg at ncd.com) + + * dwarfout.c (BLOCK_INLINE_FUNCTION): Obsolete definition deleted. + (block_ultimate_origin): New function. + (output_block): + Local var `have_significant_locals' renamed to `must_output_die'. + (output_block): Rewritten to handle abstract & concrete instances of + blocks of inline functions. + (output_decls_for_scope): + Don't bump `next_block_number' for abstract blocks. + + * toplev.c (rest_of_compilation): Call `dwarfout_file_scope_decl' for + both types of "abstract" instances of inline functions. + + * tree.def (BLOCK): Use new tree code category letter 'b' for BLOCKs. + * tree.h (struct tree_block): New struct type definition added. + (BLOCK_VARS, BLOCK_TYPE_TAGS, BLOCK_SUBBLOCKS, BLOCK_HANDLER_BLOCK): + Changed to reference fields of the new `struct tree_block' type. + (BLOCK_ABSTRACT_ORIGIN, BLOCK_ABSTRACT): Definitions added. + (union tree_node): Added `struct tree_block' as a new variant. + * tree.c (typedef tree_node_kind): Added new kind, i.e. `b_kind'. + (tree_node_kind_names): Added string name for new kind `b_kind'. + (make_node, copy_node, stabilize_reference_1): + Handle case 'b' (for BLOCK nodes). + (make_node): Don't try to deal with BLOCKs when doing a type 'e' node. + * print-tree.c (print_node): + Handle type 'b'; delete code for BLOCK from 'e' case. + Handle fields BLOCK_ABSTRACT_ORIGIN and BLOCK_ABSTRACT. + * calls.c (calls_alloca): Don't return 0 automatically if the expr + given is headed by a type 'b' node. + * cp-tree.c (break_out_calls): Add case for decl nodes. + Added case to catch BLOCK nodes (and to abort). + * integrate.c (copy_decl_tree): Set BLOCK_ABSTRACT_ORIGIN in new + instance block if not already set. + (expand_inline_function): Set BLOCK_ABSTRACT_ORIGIN for outermost + scope to point to progenitor (abstract inline) FUNCTION_DECL node. + (integrate_decl_tree): Set BLOCK_ABSTRACT_ORIGIN for inlined instance + BLOCKs. + (set_block_origin_self, set_decl_origin_self, set_block_abstract_flags, + set_decl_abstract_flags): New functions. + (output_inline_function): Call `set_decl_origin_self' for each fndecl + which is about to have an out-of-line instance generated for it. + +Wed Jul 15 15:08:00 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * c-convert.c (convert_to_integer): Push truncation inside COND_EXPR. + + * optabs.c (emit_cmp_insn): Always do protect_from_queue on x, y, size. + (expand_float, expand_fix): Likewise. + * expmed.c (expand_shift, expand_set_flag): + Call protect_from_queue before convert_to_mode. + * expr.c (convert_move): Don't call protect_from_queue. + (emit_block_move): Protect SIZE. + + * explow.c (allocate_dynamic_stack_space) [SETJMP_VIA_SAVE_AREA]: + Always call round_push; we can't rely on alignment of size. + +Wed Jul 15 06:47:11 1992 Richard Kenner (kenner@vlsi1.ultra.nyu) + + * combine.c (try_combine): Verify that I2DEST is a register before + trying to change its mode. + +Tue Jul 14 15:13:28 1992 Jim Wilson (wilson@sphagnum.cygnus.com) + + * c-decl.c (finish_struct): Handle nested struct redefinitions. + * stor-layout.c (layout_record): Handle NULL dsize. + +Tue Jul 14 21:31:51 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * c-decl.c (duplicate_decls, pushdecl, grokdeclarator): + (store_parm_decls, combine_parm_decls, finish_function): + Use TYPE_MAIN_VARIANT when comparing against specific non-void types. + * c-typeck.c (self_promoting_args_p, self_promoting_type_p): + (signed_type, unsigned_type, default_conversion, check_format): + (build_binary_op, c_expand_start_case): Likewise. + +Mon Jul 13 14:57:34 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * c-decl.c (finish_function): Fix braino validating ret type of main. + + * expr.c (expand_builtin): Refer to errno at rtl level only. + * sparc.h (TARGET_EDOM, GEN_ERRNO_RTX): New macros. + +Mon Jul 13 06:35:53 1992 Paul Eggert (eggert@twinsun.com) + + * expr.c (expand_builtin): + For fsqrt, always use the special insn, then test for nan. + +Mon Jul 13 08:45:34 1992 Tom Wood (wood@dg-rtp.dg.com) + + * m88k.md: Constraint fixes from Torbjorn. + + * jump.c (jump_optimize): In `x = a; if (...) x = b;' allow both a + and b to be non-zero if jumps are very expensive. Also allow a + and b to be constants where all the set bits in a are also set in + b when jumps are merely expensive. + +Sun Jul 12 17:43:03 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * genpeep.c (match_rtx): Sometimes use %ld when printing an XWINT. + + * regclass.c (record_reg_classes): If OP is a REG, use it's mode + in case the mode in MATCH_OPERAND is VOIDmode. + +Sun Jul 12 13:03:54 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * fixincludes: Replace the code that finds all directories + so that it looks for subdirs of dir reached via symlinks. + + * cp-tree.h (IDENTIFIER_VIRTUAL_P): Macro moved here. + * tree.h (IDENTIFIER_VIRTUAL_P): Deleted from here. + + * rtl.h (NOTE_BLOCK_NUMBER, SET_NOTE_BLOCK_NUMBER): New macros. + (NOTE_DECL_NAME, NOTE_DECL_CODE, ...): #if 0'd. + * function.c (identify_blocks, reorder_blocks): New functions. + (all_blocks, blocks_nreverse): New functions. + + * isi.h: Deleted the #error; file should work now. + (LIB_SPEC): Use -lg only once. + (STRUCTURE_SIZE_BOUNDARY): Defined. + + * protoize.c (process_aux_info_file): Set must_create before jumping to + start_over. Don't clear must_create at start_over. Don't test + source file mod time for SYSCALLS. + + * machmode.h (GET_MODE_NUNITS): Avoid division by zero. + +Sat Jul 11 22:21:47 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * objc-parse.y (primary): Don't test TREE_EXTERNAL; + call assemble_external regardless. + + * tree.h (DECL_INLINE, DECL_NONLOCAL, DECL_REGISTER, DECL_EXTERNAL): + Renamed from TREE_INLINE, TREE_NONLOCAL, TREE_REGDECL, TREE_EXTERNAL. + All uses changed. + + * xm-hp320.h (USG): Define it. + +Sat Jul 11 21:43:56 1992 Michael Meissner (meissner@osf.org) + + * mips.h (MIPS_VERSION): Bump meissner version number to 21. + + * mips.md (andsi3, iorsi3, xorsi3): Make predicates match the + actual machine, since combine can now recreate the bitfields, and + doesn't do multiple logical operations when setting more than one + bitfield in a word. + + * objc-actions.c (xmalloc, free): Don't provide extern decls for + these, since tree.h and rtl.h both now provide them. + + * cp-lex.c (real_yylex): Declare a variable i, since a for loop + uses it as an index. Remove an extra '(' from a build_int_2 call. + +Sat Jul 11 13:13:03 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * varasm.c: Get rid of default definitions of ASM_OUTPUT_CONSTRUCTOR + and ASM_OUTPUT_DESTRUCTOR. + + * c-aux-info (affix_data_type): Don't be fooled by names starting + with `const' or `volatile'. + + * c-typeck.c (digest_init): Deal with nested {...} for scalar. + + * loop.c, reload1.c: Include stdio.h before config.h. + + * toplev.c (rest_of_compilation): Save and restore DECL_ARGUMENTS. + +Fri Jul 10 22:42:34 1992 Paul Eggert (eggert@twinsun.com) + + * tree.c (build_real_from_int_cst): Truncate when folding to float. + (real_value_from_int_cst): Do not treat the topmost bit + of an unsigned long long value as a sign bit. + + * cse.c (simplify_binary_operation): Don't optimize 0.0/x to 0.0 + if IEEE floating point is used, because x might be negative or NaN. + +Fri Jul 10 15:37:42 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * genpeep.c (match_rtx): Handle `w' elts of rtx. + + * Makefile.in (INTERNAL_CFLAGS): Add -DIN_GCC. + +Fri Jul 10 18:56:22 1992 Eric Youngdale (youngdale@v6550d.nrl.navy.mil) + + * cccp.c (finclude): Clean error msf if file_size_and_mode fails. + +Fri Jul 10 13:44:46 1992 Howard Chu (hyc@hanauma.jpl.nasa.gov) + + * fx2800.h (LINK_LIBGCC_SPECIAL): Defined. + (DBX_OUTPUT_STANDARD_TYPES): Check that DECL_NAME(decl) exists + before trying to get its IDENTIFIER_POINTER. + +Thu Jul 9 20:56:01 1992 Per Bothner (bothner@rtl.cygnus.com) + + * dbxout.c (dbxout_type_methods): Fix minimal_debug so + that it skips a redundant class name prefix, as intended. + It now expects the length digits that precede the class name. + +Thu Jul 9 18:23:12 1992 Torbjorn Granlund (tege@wombat.gnu.ai.mit.edu) + + * Makefile.in, libgcc2.c, longlong.h: Rename udiv_using_sdiv to + udiv_w_sdiv. + +Thu Jul 9 18:10:40 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * tree.h (STRIP_TYPE_NOPS): New macro. + * c-decl.c (build_enumerator): Use STRIP_TYPE_NOPS. + * c-typeck.c (default_conversion): Use STRIP_TYPE_NOPS. + (build_binary_op, build_function_call): Likewise. + * c-common.c (check_case_value): Use STRIP_TYPE_NOPS. + + * mot3300.h (ASM_OUTPUT_CASE_END): New macro. + * m68k.c (switch_table_difference_label_flag): New variable. + + * i860.md (QI and HI bte/btne patterns): Deleted. + +Thu Jul 9 06:09:20 1992 Richard Kenner (kenner at vlsi1.ultra.nyu.edu) + + * c-typeck.c (default_conversion): Don't use STRIP_NOPS. + + * print-rtl.c: Missing merge from 64-bit changes. + (print_rtx): Add new case 'w'. + +Wed Jul 8 14:35:39 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * fixincludes, fixinc.svr4: Error if no argument. + + * tree.c (integer_zerop, integer_onep, integer_all_onesp): + (integer_pow2p, real_zerop, real_onep, real_twop): Use STRIP_NOPS. + * expr.c (do_store_flag): Likewise. + * varasm.c (output_constructor): Likewise. + * c-decl.c (finish_struct, build_enumerator): Likewise. + * c-typeck.c (default_conversion, build_binary_op): Likewise. + (build_function_call): Likewise. + + * integrate.c (integrate_decl_tree): Get rid of arg functionbody; + it was always 0. + + * mot3300.h: Fix typo. + + * final.c (leaf_renumber_regs_insn): Handle new 'w' format. + +Wed Jul 8 15:18:33 PDT 1992 Ron Guilmette (rfg at ncd.com) + + * tree.h (DECL_ABSTRACT_ORIGIN, DECL_ABSTRACT): Definitions added. + (struct tree_decl): New fields `abstract_origin' & `abstract_flag'. + (struct tree_decl): Field `from_inline_flag' deleted. + (DECL_FROM_INLINE): Definition revised to check DECL_ABSTRACT_ORIGIN. + * integrate.c (copy_decl_list): New function added. + (save_for_inline_copying): Call `copy_decl_list' for formal parameters. + Set DECL_ABSTRACT_ORIGIN for fndecl to point to itself. + (copy_decl_tree): Use `copy_decl_list' rather than just `copy_list'. + (integrate_parm_decls, integrate_decl_tree): Set DECL_ABSTRACT_ORIGIN + to point to the progenitor. + * print-tree.c (print_node): Print the value of DECL_ABSTRACT_ORIGIN + rather than the value of DECL_FROM_INLINE. + + * dwarfout.c (output_inlined_enumeration_type_die): New function. + (output_inlined_structure_type_die, output_inlined_union_type_die): + New functions added. + (output_entry_point_die, output_formal_parameter_die, + output_global_subroutine_die, output_global_variable_die, + output_label_die, output_lexical_block_die, + output_inlined_subroutine_die, output_local_variable_die, + output_local_subroutine_die): + Fixed to handle inline abstract & concrete (i.e. inlined) instances. + (output_inlined_subroutine_die): Deleted. + (output_label_die): Don't permit the rtx associated with a named + user-declared label to be marked as INSN_DELETED_P. + (output_tagged_type_instantiation): New function added. + (output_decl): Call `output_tagged_type_instantiation'. + Don't generate a pubnames label for anything marked as DECL_ABSTRACT. + (output_die): Generate the proper kind fo DIE for each of the four + possible combination of {normal, inlined} {variable, parameter}. + (dwarfout_file_scope_decl): Don't generate pubnames entries if + strictly abstract. + + * dwarfout.c (ordering_attribute): Only def if USE_ORDERING_ATTRIBUTE + is defined. + (output_array_type_die): Only call ordering_attribute if it is defined. + (name_and_src_coords_attributes): Don't make it inline. + Do make it static linkage. + (const_value_attribute): Catch invalid kinds of rtx nodes + by aborting for the default case in switch. + + * dwarfout.c (output_ptr_to_mbr_type_die): Make it static linkage. + (output_formal_types): Make sure that `formal_type' is initialized. + (output_type): Add a default case for switch. + (output_decl): Don't suppress DIEs for the initial (artificial) + arguments for C++ static member functions. + + * dwarfout.c (ceiling, field_type, simple_type_align_in_bits, + simple_type_size_in_bits, field_byte_offset): New functions added. + (data_member_location_attribute): Use new routine `field_byte_offset' + to calculate the offset value for the AT_location attribute. + (byte_size_attribute): Use new routine `field_type' to get the + actual type for any FIELD_DECL. Also, use `simple_type_size_in_bits' + to avoid potential problems with ERROR_MARKs when computing the size + of a FIELD_DECL. + (bit_offset_attribute): Rewritten to use `field_byte_offset' when + determining the start of the "containing object". + + * integrate.c (expand_inline_function): Integrate parameters before + locals to get debugging information in the proper order. + (integrate_decl_tree): Don't do a redundant pushlevel/poplevel for + the outermost scope (i.e. when level==0)... just use the one created + by `expand_inline_function'. + + * calls.c (calls_alloca): For BLOCK, walk subblocks and vars by hand. + +Wed Jul 8 13:31:19 1992 Michael Meissner (meissner@osf.org) + + * cp-decl.c (print_binding_level): Fix typo, where 'lbl' was used + instead of 'lvl'. + + * objc-actions.c (build_shared_structure_initializer): Correct call + to build_int_2 which had only one argument, instead of two. + +Wed Jul 8 06:37:40 1992 Torbjorn Granlund (tege@sics.se) + + * gstdarg.h, gvarargs.h: Test `__hppa__' instead of `__hp9000s800__'. + + * romp.md (zero_extendhisi2): Remove unneeded constraint. + + * rs6000.md (zero_extendhisi2): Remove unneeded constraint. + (lu/stu): Use %0 instead of %1 in assembler insns. + (call_value): Add missing "=" in constraint. + +Wed Jul 8 06:30:20 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * rs6000.md (floatsidf): Correctly handle case when SImode operand + overlaps the first DFmode register. + + * fold-const.c (distribute_bit_expr, range_test, fold_truthop): + Use TRUTH_AND_EXPR instead of BIT_AND_EXPR so invert_truthvalue works. + + * c-decl.c (grokdeclarator): Strip all NOP_EXPRs from SIZE. + + * integrate.c: Do 64-bit changes (this file omitted the last time). + Replace use of NULL and 0 in functions args with NULL_RTX. + (copy_rtx_and_substitute, subst_constants): Handle "w" rtl + operand class. + + * rs6000.h (LINK_SPEC): Support -static. + + * tree.c (make_node, copy_node, make_tree_vec, tree_cons, build1): + Clear or copy tree nodes in a consistent manner, referencing + every byte of the node. + + * regclass.c: Initialize REG_CLASS_CONTENTS into an array of + ints, then copy into a HARD_REG_SET to avoid conditionalization + of REG_CLASS_CONTENTS on 64-bit machines. + + * c-common.c (check_case_value): Strip the NOP_EXPR added by + the grammar. + * stmt.c (pushcase, pushcase_range): Don't do it here. + + * c-lex.c (yylex): Ensure TOTAL_PARTS is wide enough to store a + constant as wide as we can store in an INTEGER_CST. + (LONG_LONG_TYPE_SIZE): Deleted; no longer needed. + +Tue Jul 7 15:50:38 1992 Chip Salzenberg (chip@tct.com) + + * x-i386sco (XCFLAGS): Omit flags specific to "rcc". + (CC, OLDCC): Put them here instead. + +Tue Jul 7 18:57:10 1992 Mike Stump (mrs@wombat.gnu.ai.mit.edu) + + The below entries should make DWARF debugging a little bit easier. + + * cp-decl.c (pushdecl): IDENTIFIER_GLOBAL_VALUE should not be _DECL + nodes but rather TYPE_DECLs. + + * cp-decl.c (pushtag): Mark binding layer markers as internal. + + * cp-class.c (finish_struct): Propagate internal mark on binding + layer markers. + + * cp-decl2.c (finish_file): Don't name things that should not be + named. + + * cp-method.c (decl_as_string): New back-end routine for + substitute_nice_name. + + * cp-decl2.c (substitute_nice_name): New function used to create + reasonable DECL_NAMEs from cyrptic ones. + + * cp-decl2.c (grokclassfn): Use substitute_nice_name. + +Tue Jul 7 14:04:01 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * expr.c (emit_move_insn): Don't try subwords for a single word. + + * gcc.c (find_a_file, putenv_from_prefix): + Handle value of 2 in require_machine_suffix. + (process_command): Supply 2 for standard_exec_prefix{,_1}. + + * gstdarg.h: Undefine _BSD_VA_LIST if we define va_list. + + * cccp.c (append_include_chain): Fix setting of first_bracket_include. + + * loop.c (init_loop): Use word_mode, not SImode. + + * x-dpx2: New file. + * x-dpx2200, x-dpx2300: Files deleted. + * configure (m68k-bull-sysv*): Fatal error unless --with-gas. + Always use x-dpx2. + + * libgcc2.c (XFtype): Turn off definition; not used. + (TFtype): Define only if needed. + +Tue Jul 7 11:57:44 1992 Torbjorn Granlund (tege@hal.gnu.ai.mit.edu) + + * tahoe.md (call_value): Add `=' to output operand constraint. + * arm.md (call_value): Likewise. + * gmicro.md (negsf2, negdf2, abssf2, absdf2): Likewise. + (peephole for moving returned value to fp reg): Likewise. + + * longlong.h (SI_TYPE_SIZE): Renamed from LONG_TYPE_SIZE. + + * longlong.h (machine independent code): #define udiv_qrnnd to call + __udiv_using_sdiv if we have sdiv_qrnnd but not udiv_qrnnd. + * libgcc2.c (__udiv_using_sdiv): New function. + * Makefile.in (LIB2FUNCS): Add __udiv_using_sdiv. + +Mon Jul 6 23:28:29 1992 Mike Stump (mrs@wombat.gnu.ai.mit.edu) + + * cp-dem.c, cp-lex.c, cp-method.c, cp-xref.c: Do not include + string.h or strings.h. + +Mon Jul 6 18:32:31 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * emit-rtl.c (operand_subword): Avoid conditionals in macro arg. + + * Changes to support execution on 64-bit machines. + * machmode.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT, HOST_PTR_PRINTF): + Provide default definitions. + (MAX_SHORT): New macro. + (GET_MODE_BITSIZE): Cast result and shift constant to HOST_WIDE_INT. + * rtl.h (union rtunion_def): Add field rtwint. + (XWINT): New accessor macro. + (INTVAL): Use XWINT, not XINT. + (exact_log2, floor_log2, plus_constant, plus_constant_for_output): + Now macros that cast arg to HOST_WIDE_INT. + (NULL, NULL_PTR): Provide default definitions. + (GEN_INT): New macro. + (get_integer_term): Now returns HOST_WIDE_INT. + * tree.h (NULL, NULL_PTR): Provide default definitions. + (INT_CST_LT, INT_CST_LT_UNSIGNED): Cast to HOST_WIDE_INT. + (struct tree_int_cst): Pieces of constant are HOST_WIDE_INT, not + long. + (exact_log2, floor_log2, build_int_2): Now macros, like rtl.h. + * real.h (REAL_VALUE_TYPE, union real_extract): Use HOST_WIDE_INT, + not long. + (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XWINT instead of XINT. + * rtl.def (CONST_INT): Operand type now "w". + (CONST_DOUBLE): Change operands from type "i" to "w". + * basic-block.h (REGSET_ELT_BITS): Always use HOST_BITS_PER_WIDE_INT. + (REGSET_ELT_TYPE): New macro; same as HOST_WIDE_INT. + * expr.h (ARGS_SIZE_RTX): Use NULL_RTX in expand_expr call. + (plus_constant): Remove duplicate declaration. + * hard-reg-set.h (HARD_REG_SET): Only scalar type we use + is HOST_WIDE_INT; array is array of HOST_WIDE_INT. + * loop.h (struct induction): Field CONST_ADJUST is now HOST_WIDE_INT. + (loop_n_iterations): Now unsigned HOST_WIDE_INT. + (loop_iterations): Returns HOST_WIDE_INT. + * c-parse.y, cexp.y, c-decl.c, c-lex.c, c-typeck.c, caller-save.c: + Change 0 or NULL when passed as a parameter that should be a pointer + to NULL_TREE, NULL_RTX, or NULL_PTR, as appropriate. + * calls.c, cccp.c, combine.c, cp-lex.c, cse.c, dbxout.c: Likewise. + * dwarfout.c, emit-rtl.c, explow.c, expmed.c, expr.c: Likewise. + * final.c, flow.c, fold-const.c, function.c, gcc.c: Likewise. + * genattrtab.c, genpeep.c, genrecog.c, global-alloc.c: Likewise. + * jump.c, local-alloc.c, optabs.c, recog.c, reg-stack.c: Likewise. + * regclass.c, reload.c, reload1.c, reorg.c, rtl.c: Likewise. + * rtlanal.c, sched.c, sdbout.c, stmt.c, stor-layout.c: Likewise. + * toplev.c, unroll.c, varasm.c, loop.c, xcoffout.c: Likewise. + * caller-save.c, combine.c, cp-class.c, cp-decl.c, cp-method.c: + Cast and declare objects used to refer to wide values as HOST_WIDE_INT. + Use HOST_BITS_PER_WIDE_INT instead of HOST_BITS_PER_INT. + * cp-pt.c, cp-type2.c, cp-typeck.c, cse.c, dbxout.c: Likewise. + * dwarfout.c, emit-rtl.c, explow.c, expmed.c, expr.c: Likewise. + * final.c, fold-const.c, genattrtab.c, recog.c, reg-stack.c: Likewise. + * regclass.c, reload.c, sched.c, stmt.c, stor-layout.c: Likewise. + * loop.c, toplev.c, unroll.c, varasm.c: Likewise. + * caller-save.c, combine.c, flow.c, global-alloc.c, reorg.c, sched.c: + When refering to regsets, use type REGSET_ELT_TYPE. + * calls.c, combine.c, emit-rtl.c, explow.c, expmed.c, expr.c, final.c: + Use GEN_INT macro when making CONST_INTs. + * function.c, jump.c, loop.c, optabs.c, recog.c, reload1.c: Likewise. + * unroll.c: Likewise. + * cp-decl.c, cp-ptree.c, print-tree.c: Use HOST_PTR_PRINTF when + printing pointer values. + * cccp.c, cexp.y, gcc.c (NULL, NULL_PTR): Provide default definition. + * c-common.c (NULL): Remove definition from here. + * c-decl.c (NULL): Likewise. + (finish_struct): Ensure high-order part of width is zero. + * cp-decl.c (finish_enum): Likewise. + * c-lex.c (yylex): Call build_int_2 in more portable way. + (yyprint): Print constant different ways, depending on host parameters. + * final.c (output_asm_insn, output_addr_cont): Likewise. + * genattrtab.c (write_test_expr): Likewise. + * print-tree.c (print_node_brief, print_node): Likewise. + * cp-decl.c (xref_tag): Remove explicit reference to modes. + * cp-method.c (build_overload_value): Likewise. + * cp-lex.c (real_yylex): Make accumulating bits for constant + more portable. + * cse.c (uid_cuid): Now pointer to int instead of to short. + (exp_equiv_p): Change ifs on GET_RTX_FORMAT to a switch. + Add format code of "w". + * emit-rtl.c (gen_rtx): Add format code of "w". + * jump.c (rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise. + * loop.c (rtx_equal_for_loop_p): Likewise. + * reload.c (operands_match_p): Likewise. + * rtl.c (copy_rtx, copy_most_rtx): Likewise. + * rtlanal.c (rtx_equal_p): Likewise. + * sched.c (rtx_equal_for_memref_p): Likewise. + * explow.c (plus_constant_wide): Formerly plus_constant; argument + is HOST_WIDE_INT. + (plus_constant_for_output_wide): Similarly. + * fold-const.c: Use MAX_SHORTS for dimension of array of shorts. + * genattrtab.c (NULL_ATTR): New macro. + (attr_rtx): Use XWINT, not XINT, for CONST_INT. + Add case "w". + (check_attr_test, write_test_expr, main): Use XWINT, not XINT, + for CONST_INT. + * genemit.c (gen_exp): Use "NULL_RTX" instead of "0" when + emitting null. + Use GEN_INT and proper width when emitting a CONST_INT. + Abort if trying to write a CONST_DOUBLE. + * genrecog.c (struct decision): Add new fields TEST_ELT_ZERO_WIDE + and ELT_ZERO_WIDE. + (add_to_sequence, not_both_true, merge_trees, write_tree_1): + Use new fields. + * global-alloc.c (INT_BITS, INT_TYPE): Use HOST_WIDE_INT for type + of conflict matrix. + * loop. (loop_n_iterations): Now HOST_WIDE_INT. + * recog.c: Remove redundant declarations of plus_constant_for_output + and copy_rtx. + * rtl.c: Declare atol if needed. + (rtx_format): Add code for "w". + (read_rtx): Read code "w" field with atol if required. + (init_rtl): Fields of CONST_DOUBLE are now type "w". + * rtlanal.c (get_integer_term): Returns HOST_WIDE_INT. + * cccp.c, toplev.c: Error function args are HOST_WIDE_INT (kludge). + * toplev.c (exact_log2_wide): Renamed from exact_log2 and now has + arg of type HOST_WIDE_INT. + (floor_log2_wide): Similarly. + * tree.c (permalloc): Type of SIZE arg is int, not long. + (build_int_2_wide): Renamed from build_int_2 and has args of + type HOST_WIDE_INT. + * unroll.c (loop_iterations): Now returns HOST_WIDE_INT. + * varasm.c (immed_double_const): Arguments are now HOST_WIDE_INT. + +Mon Jul 6 14:56:26 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * c-common.c (decl_attributes): Don't set DECL_PACKED on VAR_DECL. + + * Makefile.in (GCC_CFLAGS): + Use CROSS_GCC_CFLAGS instead of -B for tooldir. + * cross-make (CROSS_GCC_CFLAGS): Define as -B for tooldir. + + * c-decl.c (finish_function): If return type of `main' is not `int', + warn instead of doing DEFAULT_MAIN_RETURN. + + * collect2.c, dwarfout.c, halfpic.c: Don't incude string.h. + + * c-decl.c (duplicate_decls): Let char *foo () match void *foo () + only if one of them came from a system header file. + + * stmt.c (pushcase): Fix typo. + + * Makefile.in (ALLOCA_FINISH): Make default `true'. + + * cccp.c (main): Clear first_bracket_include for -I-. + Set first_system_include for first system header directory. + (is_system_include): Start search at first_system_include. + +Mon Jul 6 12:58:27 1992 Chip Salzenberg (chip@tct.com) + + * cccp.c (INCLUDE_LEN_FUDGE): Defined. + (append_include_chain): New function. Adds directory(ies) + to include chain and updates value of max_include_len. + (main, path_include): Use append_include_chain. + (do_include): Use INCLUDE_LEN_FUDGE. + + * tree.h (DECL_IN_SYSTEM_HEADER): Defined. + (struct tree_decl): Add in_system_header_flag. + * c-common.c (declare_function_name): For __FUNCTION__ + and __PRETTY_FUNCTION__, set DECL_IN_SYSTEM_HEADER instead + of TREE_USED to supress `unused' warnings. + * c-decl.c (duplicate_decls): Merge DECL_IN_SYSTEM_HEADER flag. + * print-tree.c (print_node): Display TREE_RAISES and + DECL_IN_SYSTEM_HEADER flags. + * toplev.c (compile_file): Do not warn if an unused DECL + has DECL_IN_SYSTEM_HEADER set. + (rest_of_compilation): Do not set TREE_USED on static + functions defined in system headers; this will be taken + care of with DECL_IN_SYSTEM_HEADER. + * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER on permanent + decls defined in system headers. + * objc-actions.c (build_module_descriptor,add_objc_decls): + Set DECL_IN_SYSTEM_HEADER instead of TREE_USED on compiler- + created decls. + +Mon Jul 6 10:17:30 1992 Michael Collison (collison at osf.org) + + * i386.h (SUBTARGET_SWITCHES): + Incoporate SUBTARGET_SWITCHES into TARGET_SWITCHES. + (HALF_PIC_P, HALF_PIC_NUMBER_PTRS, HALF_PIC_NUMBER_REFS, + HALF_PIC_ENCODE, HALF_PIC_DECLARE, HALF_PIC_INIT, + HALF_PIC_ADDRESS_P, HALF_PIC_PTR, HALF_PIC_FINISH): + Define these as stubs if not OSF/1 platform. + * i386.md (movsi): Recognize half-pic moves. + +Mon Jul 6 11:16:47 1992 Tim Moore (moore@defmacro.cs.utah.edu) + + * pa.h (ASM_DECLARE_FUNCTION_NAME): Fix typo + +Mon Jul 6 08:48:51 1992 Torbjorn Granlund (tege@hal.gnu.ai.mit.edu) + + * m68k.md (swapsi): Add `+' operand constraints. + (insert to memory recognizer): Add `+'. + (peephole for moving returned value to fp reg): Add `='. + +Sun Jul 5 16:34:24 1992 John F Carr (jfc at Achates.mit.edu) + + * vax.md (addsi3): Code generation improvements (whether to use movab). + + * vax.md (andsi3, andhi3, andqi3): If one of the source operands + is a constant, complement that operand instead of a register or + memory operand. + +Sun Jul 5 13:16:15 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * combine.c (try_combine): When splitting using a DEFINE_SPLIT, + update the number of sets of the destination if it is being set + twice. Also update reg_significant. + +Sun Jul 5 13:14:50 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * c++: Fix typo testing $quote for nullness. + + * cse.c (simplify_binary_operation): Don't put sum of two symbolic + addresses into a CONST. + + * m68kv4.h (ASM_OUTPUT_ALIGNED_COMMON): #undef this. + (ASM_OUTPUT_ALIGNED_LOCAL): #undef this. + (ASM_OUTPUT_ASCII): New overriding definition. + (ASM_OUTPUT_CASE_END): New overriding definition. + + * c-typeck.c (convert_arguments): No -Wconversion warning + if the function wants an enumeral type. + + * tek6000.h, tek6100.h, tek6200.h: New files. + * configure (ns32k-tek6100-bsd, ns32k-tek6200-bsd): New alternatives. + * config.sub: utek is synonym for bsd. + + * Makefile.in (alloca.o): Add -c. + + * Makefile.in (start.encap): Use LIBGCC1, not LIBGCC1_TARGET. + (GCC_CFLAGS): Find executables in $(tooldir)/bin, not $(tooldir). + (libgcc1.cross): New target. + (all.cross, cross-test): Depend on libgcc.a. + * cross-make (LIBGCC1): Use libgcc1.cross. + + * Makefile.in (USER_H): va-hp800.h changed to va-pa.h. + (install-common): Fix typo. + + * stmt.c (pushcase, pushcase_range): Use STRIP_NOPS on the values. + + * x-amix, x-i860v4, x-ncr3000, x-sparcv4: Undo last change. + * x-i386v4, x-m68kv4: Files deleted. + * configure (i386-*-sysv4, i486-*-sysv4, m68k-*-sysv4): + Corresponding changes. + + * c-decl.c (duplicate_decls): Don't warn about disagreement in `inline' + except when non-inline fn is made inline after a call or definition. + +Sun Jul 5 10:25:22 PDT 1992 Ron Guilmette (rfg at ncd.com) + + * c-decl.c (grokdeclarator): Make `long long long' an error, not a + warning. Make duplicate qualifiers do pedwarn, not warning. + + * c-decl.c (pushdecl): Always create a new (variant) ..._TYPE node + for each new TYPE_DECL node created. + + * libgcc2.c (UQItype, SItype, USItype, DItype, UDItype, SFtype, DFtype, + XFtype, TFtype): Typedefs added. + (SI_TYPE_SIZE): Renamed globally from LONG_TYPE_SIZE. + Define names for ANSI C types to `bogus_type' over the range of lines + where we must always use the new mode-related types. Undef them again + at the end of that range (so we can used the ANSI types again), and + then define the mode-related type names to `bogus_type' to insure + those are not used from then on. + + * libgcc2.c, longlong.h (DIstruct): Renamed globally from `longlong'. + (DIunion): Renamed globally from `long_long'. + Universally use the new mode-related type names for all functions + and macros which expect, yield, or otherwise rely on operands to be + of certain GCC-defined machine modes. + +Sun Jul 5 11:11:00 1992 Torbjorn Granlund (tege@wombat.gnu.ai.mit.edu) + + * pa.h: (TARGET_VERSION): Print " (hppa)". + * pa.md (zdepi recognizer): Add attribute. + (recognizers for SImode load and store with fpregs): Add `=' to + operand 0. + +Sat Jul 4 15:02:19 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * configure (mips-*-sysv4): Don't set use_collect2. + + * c-parse.y (primary): Wrap a NOP_EXPR around an enum value. + + * libgcc2.c (__builtin_saveregs for i860): Test __svr4__, not SVR4. + * va-i860.h: Test __svr4__. + + * c-decl.c (finish_function): Set BLOCK_SUPERCONTEXT of outer block. + + * x-m88kv3: File deleted. + + * x-sparcv4 (X_CFLAGS): Add -dn. + + * reorg.c: Move the #ifdef DELAY_SLOTS after the #includes. + +Sat Jul 4 14:16:33 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * combine.c (SUBST): Ensure we don't call something that can make + a new undo entry in the middle of our making one. + +Sat Jul 4 12:17:55 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * Makefile.in (cp-parse.c): Append YYEMPTY to cp-parse.h, not ...y. + + * cse.c (simplify_unary_operation): Add aborts in zero_extend + and sign_extend cases, explaining how they might need to be changed. + + * i960.h (WORD_SWITCH_TAKES_ARG): Fix typo. + + * x-amix, x-sparcv4, x-i860v4, x-i386v4, x-ncr3000: + Add -static to X_CFLAGS. + * x-m68kv4: New file. + * isc.h (HANDLE_SYSV_PRAGMA): Defined. + +Sat Jul 4 15:18:33 PDT 1992 Ron Guilmette (rfg at ncd.com) + + * xm-spc-sol2.h: New file. + + * tree.h (DECL_UID): Definition added. + (struct tree_decl): `uid' field added. + * tree.c (DECL_UID): Initialize this uniquely for each new ..._DECL. + + * rtl.h (NOTE_INSN_DELETED_LABEL): Definition added. + * rtl.c (note_insn_name): Add entry for NOTE_INSN_DELETED_LABEL. + * final.c (final_scan_insn): Call `dwarfout_label' for each + `NOTE_INSN_DELETED_LABEL'. + * jump.c (delete_insn): Don't really delete CODE_LABELs corresponding + to user-declared lables... Turn them into NOTE_INSN_DELETED_LABELs + instead. + + * dwarf.h (AT_abstract_origin): Renamed from AT_specification. + * dwarfout.c (dwarf_attr_name): Likewise. + (dwarf_tag_name, dwarf_attr_name, dwarf_stack_op_name, + dwarf_typemod_name, dwarf_fmt_byte_name): Use normal DWARF prefixes + for string names of unrecognized values. + (is_block_body): New function added. + (DECL_NAME_FMT): Definition added. + (equate_decl_number_to_die_number, abstract_origin_attribute, + pure_or_virtual_attribute): New functions added. + (src_coords_attribute): Only define this is DWARF_DECL_COORDINATES + is defined. + + * populate: New file. + + * function.c (instantiate_decls): Delete #if 1. + + * flags.h, toplev.c, dbxout.c (use_gnu_debug_info_extensions): + Renamed from `use_gdb_dbx_extensions'. + + * toplev.c (main): Added support for -gdwarf+ and for -gxcoff+. + +Sat Jul 4 08:39:47 1992 Tom Wood (wood@dg-rtp.dg.com) + + * m88k.c (m88k_end_prologue): Reset frame_laid_out here. + (m88k_expand_prologue): Not here. + + * m88k.h (IDENT_ASM_OPT, ALIGN_ASM_OPT, ASM_OUTPUT_CASE_LABEL): + Override svr4.h. + +Fri Jul 3 12:40:27 1992 Paul Eggert (eggert@twinsun.com) + + * fold-const.c (fold_convert): When converting a floating point + constant to integer, warn about out-of-range values after truncating + to integer, not before. + +Fri Jul 3 19:34:07 1992 Mike Stump (mrs@hal) + + * Makefile.in ($(srcdir)/cp-parse.c): extract YYEMPTY out of the + parser generated .c file and put in the parser .h so that cp-lex.c + does not have to define it. + + * cp-tree.c (__eprintf): Third argument line is now unsigned, + completes Ron's Jul 2 change. + +Fri Jul 3 15:03:30 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * configure: Set FIXINCLUDES in Makefile based on sysv4 or not. + * x-amix (ENQUIRE_CFLAGS, FIXINCLUDES): Deleted. + + * config.sub: Recognize i486 like i386. + + * defaults.h (ASM_FORMAT_PRIVATE_NAME, ASM_OUTPUT_ADDR_VEC_ELT): + (ASM_OUTPUT_ADDR_DIFF_ELT, ASM_STABD_OP): New default definitions. + * final.c: Include defaults.h. + (ASM_STABD_OP): Deleted. + * Makefile.in (final.o) Depend on defaults.h. + + * Makefile.in (toplev.o): Use MAYBE_TARGET_DEFAULT. + * configure: Set MAYBE_TARGET_DEFAULT for some targets. + Use 3, if target is i486... + Recognize i486 as well as i386 for most targets. + + * x-hp320g (LIBGCC1, AR, RANLIB, RANLIB_TEST, LIBCONVERT): Deleted. + * t-hp320g (LIBGCC1, AR, RANLIB, RANLIB_TEST, LIBCONVERT): Defined. + * t-svr4 (FIXINCLUDES): Deleted. + + * Makefile.in (ENQUIRE_CFLAGS): Add -DNO_LONG_DOUBLE_IO. + + * fold-const.c (BRANCH_COST): Add default definition. + + * cp-tree.h: Declare intQI_type_node, etc. + * cp-decl.c: Declare intQI_type_node, etc. + (init_decl_processing): Initialize those nodes. + +Thu Jul 2 15:18:33 PDT 1992 Ron Guilmette (rfg at ncd.com) + + * amix.h (ASM_OUTPUT_CASE_END, ASM_OUTPUT_ALIGNED_LOCAL): Output + tabs before SET_ASM_OP. + + * Makefile.in (dwarfout.o): Dependency on defaults.h added. + + * sparcv4.h: Include real.h. + (SET_ASM_OP): Undef it. + + * svr4.h (IDENT_ASM_OP): Added generic svr4 definition. + (ASM_FILE_END, ASM_OUTPUT_IDENT): Use IDENT_ASM_OP. + (ALIGN_ASM_OP): Added generic svr4 definition. + (ASM_OUTPUT_CASE_LABEL): Added generic svr4 definition. + + * i860.c (strict_single_insn_op_p, relop): Deleted. + * i860.h (ASM_OUTPUT_CASE_LABEL): Fixed definition to use + ASM_OUTPUT_ALIGN and ASM_OUTPUT_INTERNAL_LABEL. + * i860b.h, i860v3.h (TARGET_VERSION): Definitions added. + * i860v3.h (CPP_PREDEFINES): Predefine __svr3__ rather than SVR3. + + * c-decl.c (named_labels): Change linkage to static. + + * assert.h (__eprintf): Declare 3rd arg as unsigned. + + * cccp.c (do_include): Don't do fprintf's if inhibit_warnings. + Renamed system_header_p to angle_brackets. Use is_system_include. + (is_system_include): New function. + (redundant_include_p) : Renamed from lookup_include. + + * c-common.c (type_for_size): If no ANSI type matches, check for + matches with built-in mode-releated types. + (type_for_mode): Likewise. + * c-decl.c: Added declarations for mode-related internal type nodes. + (init_decl_processing): Initialize the new type nodes. + * c-tree.h: Added declarations for mode-related internal type nodes. + intQI_type_node, etc. + + * c-lex.c (yylex): For integers, rename shorts to parts. + Let the number of them be variable. Simplify overflow testing. + Don't use long long types unless ll was specified. + Don't warn twice. + +Thu Jul 2 20:30:20 1992 Roland McGrath (roland@churchy.gnu.ai.mit.edu) + + * gstdarg.h: #ifdef _STDARG_H, not __STDARG_H. + +Thu Jul 2 18:18:07 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * global.c: Renamed from global-alloc.c. + +Thu Jul 2 15:36:25 1992 Torbjorn Granlund (tege@wombat.gnu.ai.mit.edu) + + * pa.c (zdepi_operand): New function. + (emit_move_sequence): Use it. + * pa.md: New pattern to recognize cases where zdepi can be used to + load immediate constant. + (insv): Allow obvious immediate values. + (insv + 1): New recognizer for non-obvious immediate values. + +Thu Jul 2 15:13:15 1992 Michael Meissner (meissner@osf.org) + + * halfpic.c (half_pic_encode): Consider variables which are 'common' + variables to need pic fixup. Move the debug code, so that it prints + for all calls, and calls debug_tree also. + (half_pic_address): When doing eliminate_constant_term on a CONST, + do a XEXP (addr, 0) to get to the real address. + + * decrose.h (CPP_SPEC, CC1_SPEC): If neither -fbuiltin nor + -fno-builtin are passed, pass -fno-builtin, and renable the string + and memory builtins via macros. This is to support compiling the + OSF/1 kernel which has a prototyped exit function which takes three + arguments. With no -pic switches, default to using shared libs. + + * i386rose.h (CPP_SPEC, CC1_SPEC): If neither -fbuiltin nor + -fno-builtin are passed, pass -fno-builtin, and renable the string + and memory builtins via macros. This is to support compiling the + OSF/1 kernel which has a prototyped exit function which takes three + arguments. Turn off pic support until the 386 backend supports it. + + * x-i386rose (SHLIB): Use -pic-none instead of -L${BUILD}/usr/ccs/lib. + + * x-decrose (SHLIB): Use -pic-none instead of -L${BUILD}/usr/ccs/lib. + + * mips.md (movsi): Rewrite handling of half-pic code so that load + address of symbol + value is handled. + (branch_zero): Don't allow branch comparing constant to 0. + +Thu Jul 2 06:26:38 1992 Tom Wood (wood@dg-rtp.dg.com) + + * m88k.md (blockage insn): Renamed from profiler. + (epilogue insn): Don't provide this if a return insn will suffice. + (m88k_end_epilogue): If the last insn isn't a barrier, print a return. + * m88k.c (null_prologue): Renamed from null_epilogue. + + * m88k.c (condition_value): New function. + * m88k.md (compare word insns): New insns and define_split + patterns to take advantage of recent fold_truthop change. + + * m88k.h (ADDITIONAL_REGISTER_NAMES): Represent the condition code + register as (reg:CC 0). Give it the names "cc" and "psr". + * m88k.md (superoptimizer sequences): New define_split patterns. + (add/sub with carry): New insns. + (add/sub DImode, ffssi2): Clobber the condition code register. + +Wed Jul 1 13:37:37 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * gstddef.h Don't define macros associated with size_t unless we + actually want to declare size_t. Likewise for ptrdiff_t and wchar_t. + + * Makefile.in (install-common): Depend on xgcc, g++, c++, EXTRA_PARTS. + Don't delete specs from libsubdir unless it exists in build dir. + + * va-pa.h: Renamed from va-hp800.h. + * gstdarg.h, gvarargs.h: Use new name. + + * news3.h, news3gas.h: New files. + * configure (m68k-sony-newsos3*): New alternative. + + * romp.h (SIZE_TYPE): Defined. + + * configure: Support --exec-prefix. Simplify handling + detached arguments of options. + + * isc.h, and other related files: + waiting for entries from karl@cs.umb.edu. + +Wed Jul 1 12:04:53 1992 Ron Guilmette (rfg at ncd.com) + + * c-decl.c (grokdeclarator): Don't mark file-scope register variables + as TREE_PUBLIC. + +Wed Jul 1 12:04:53 1992 Karl Berry (karl@cs.umb.edu) + + * i386iscgas.h (SIZE_TYPE, PTRDIFF_TYPE): Define these, since we + need to override GCC's defaults. + + * configure (i386-*-isc): Use different files if we have gas. + * t-i386iscgas, i386iscgas.h, isc.h: New files + * i386isc.h: Include isc.h. Most of contents moved to isc.h. + * bsd386.h (ASM_OUTPUT_LABELREF) [NO_UNDERSCORES]: do not prepend an + underscore in this case. + * i386gas.h (CPP_SPEC): if -posix, do -D_POSIX_SOURCE. + +Wed Jul 1 09:13:44 1992 Tom Wood (wood@dg-rtp.dg.com) + + * fold-const.c (fold_truthop): Renamed from merge_component_references. + (simple_operand_p): New function. + (range_test): Change JCODE parameter to the unconditional operation. + (fold_truthop): When branches are expensive, try to evaluate the + RHS unconditionally. Compute local variables as late as possible. + + * m88k.h (HANDLE_SYSV_PRAGMA): Replaces HANDLE_PRAGMA. + * m88k.c (m88k_handle_pragma_token): Deleted. + +Tue Jun 30 15:32:51 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * c-decl.c (duplicate_decls): If newdecl for builtin function + has same return mode as the builtin, keep the builtin + but use newdecl's return type. + + * i386.md (lshrdi3_const_int): Fix typo in shr insn. + + * Makefile.in (GCC_CFLAGS): Add `-B$(tooldir)/'. + + * i386sun.h, rs6000-mach.h, sparc.h, sun2o4.h, sun3.h (LINK_SPEC): + Inhibit the default -e if -r or -nostdlib. + + * c-decl.c (lookup_label): Call label_rtx. + + * c-parse.y (primary): Rearrange and clean up. In C_DECL_ANTICIPATED + case, always call assemble_external and set TREE_USED. + +Mon Jun 29 22:27:49 1992 Mike Stump (mrs@wombat.gnu.ai.mit.edu) + + * cccp.c, cp-dem.c, dbxout.c, cp-lex.c, cp-xref.c, cp-method.c, + dwarfout.c, c-typeck.c, mips-tfile.c, protoize.c, collect2.c: Make + the compiler more consistent by using index and rindex everywhere + instead of sometimes using strchr and strrchr. + +Mon Jun 29 22:20:13 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * regclass.c (regclass): Restore some accidentally-deleted code. + +Mon Jun 29 12:48:05 1992 Nobuyuki Hikichi (hikichi@sra.co.jp) + + * collect2.c (MY_ISCOFF): New macro. + (scan_prog_file): Use that instead of ISCOFF. + + * mips.c (override_options) [MIPS_NEWS]: Call setlinebuf. + +Mon Jun 29 12:48:05 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * gcc.c (do_spec_1): For %I, pass -iprefix, not -imacros. + + * c-common.c (decl_attributes): For `packed' on VAR_DECL, + set DECL_PACKED and DECL_ALIGN. + + * configure: Update usage message. + (m68k-sony-newsos*, mips-sony-newsos*): New synonyms. + + * fold-const.c (merge_component_references): + Make sure the four fields correspond in the proper order. + + * c-lex.c (check_newline): Support HANDLE_SYSV_PRAGMA. + (handle_sysv_pragma): New function. + * c-pragma.c: New file. + * stor-layout.c (maximum_field_alignment): New variable. + (layout_decl): Use it. + * Makefile.in (C_OBJS, OBJC_OBJS): Add c-pragma.o + (c-pragma.o): New rule. + + * i386.c (handle_pragma_token): Function deleted. + * i386v4.h (HANDLE_PRAGMA): Deleted. + + * g++: Reestablish symlink to c++. + Delete the testing of $TRACE--this could confuse people. + Delete spurious assignment of $version. + + * tree.h (DECL_PACKED): Store this in regdecl_flag. + + * Makefile.in (LIB2FUNCS): Change _builtin_New to _caps_New. + * libgcc2.c: Change L_builtin_New to L_caps_New. + + * dbxout.c (dbxout_symbol): Pass 3 args to eliminate_regs. + Call alter_subreg for subregs. Delete subreg case later on. + Don't bother with reg_renumber--any pseudo reg is clearly + a variable that was not allocated. + * sdbout.c (sdbout_symbol): Call alter_subreg for subregs. + Don't bother with reg_renumber--any pseudo reg is clearly + a variable that was not allocated. + + * sequent.h (SIZE_TYPE): Defined. + (LINK_LIBGCC_SPECIAL): Fix typo. + +Mon Jun 29 12:04:57 1992 Tom Wood (wood@dg-rtp.dg.com) + + * toplev.c (rest_of_compilation): Thread the prologue and epilogue + code immediately after reloading is done. + * sched.c (schedule_insns): Reposition the prologue and epilogue + notes as needed. + * reorg.c (dbr_schedule): Ditto. + * rtl.h (NOTE_INSN_PROLOGUE_END, NOTE_INSN_EPILOGE_BEGIN): New notes. + * rtl.c (note_insn_name): Record them. + * function.c (record_insns, contains, thead_prologue_and_epilogue_insns, + reposition_prologue_and_epilogue_notes): New functions. + * final.c: Include insn-flags.h. + (profile_after_prologue): New function. + (final_start_function): Use profile_after_prologue here when we + don't HAVE_prologue. + (final_scan_insn): Use profile_after_prologue when we scan + NOTE_INSN_PROLOGUE_END. (This happens when we do HAVE_prologue.) + Perform machine specific actions when the prologue-end and + epilogue-begin notes are scanned. + (final_scan_insn, BARRIER): Align only when something follows. + * Makefile.in (final.o): Depends on insn-flags.h. + + * m88k.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE): Define. + (DELAY_SLOTS_FOR_EPILOGUE, ELIGIBLE_FOR_EPILOGUE_DELAY): Delete. + * m88k.md (prologue, epilogue, profiler, locate1, locate2): New + patterns for representing prologues and epilogues. + * m88k.c (delay_slots_for_epilogue, eligible_for_epilogue_delay, + ok_for_epilogue_p): Delete epilogue delay slot functions. + (m88k_begin_prologue m88k_end_prologue m88k_expand_prologue): New + functions replacing m88k_output_prologue. + (m88k_begin_epilogue m88k_end_epilogue m88k_expand_epilogue): Ditto. + (preserve_registers): Delete epilogue delay slot mechanism and + change to output insns. + (emit_add, emit_ldst): New functions. + +Sun Jun 28 23:06:04 1992 Brendan Kehoe (brendan@cs.widener.edu) + + * Makefile.in (bootstrap, bootstrap2, bootstrap3): In each + passage of CC, use xgcc, not gcc. + * dostage2, dostage3: Likewise. + +Sun Jun 28 09:48:18 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * c-decl.c (duplicate_decls): If have char *foo () and + void *foo (...), make just a pedwarn. Add locals oldtype, newtype. + * c-typeck.c (self_promoting_args_p): No longer static. + + * flow.c (regno_uninitialized): Return 0 for global reg var. + + * c-typeck.c (initializer_constant_valid_p): + Allow CONVERT_EXPR if its operand is allowable. + (build_c_cast): For cast to union, make a CONSTRUCTOR. + + * sparc.c (SPARC_STACK_ALIGN): Add default definition. + + * c++: Use `set "$@"' to modify arguments. + Use a case to decide how to set $gcc. + $quote is now empty for false and the option name for true. + Error at end if $quote is nonempty. + $speclang is now the -x option itself. + Move the -v case above the -* case. + + * limitx.h: Add #ifndef. + * limity.h: New file. + * Makefile.in (install-limits-h): Append limity.h to the end. + + * c-typeck.c (digest_init): Don't push spellings here (for union case). + (process_init_constructor): Fix errors for field not found. + (build_c_cast): Fold casts to union type. + + * xm-vms.h (XREF_FILE_NAME): Fix typo. + + * i386sun.h (SIZE_TYPE): Defined. + + * Makefile.in (alloca.o): Delete the rm command. + Use -Demacs explicitly in compilation command. + (ALLOCA_FLAGS, ALLOCA_FINISH): Empty by default. + * x-pa-hpux, x-rs6000, x-rs6k-mach, x-dpx2200, x-dpx2300: + (ALLOCA_FLAGS, ALLOCA_FINISH): Deleted. + * x-dpx2200, x-dpx2300 (AS): Deleted. + + * configure: Set broken_install for V.4. + (i386-*-aix, ns32k-*-genix, i386-*-isc, i386-*-sco): + (i386-*-sco3.2v4, m88k-dg-dgux): Set broken_install. + (m88k-*-sysv): Don't use x-m88kv3. + * x-m88kv3: File deleted. + * x-aix386, x-dpx2200, x-dpx2300, x-genix, x-i386isc, x-i386sco: + * x-i386v, x-i386v4, x-i860v3, x-i860v4, x-m88kdgux, x-m88kdolph: + * x-m88kv4, x-ncr3000, x-sparcv4, x-xenix (INSTALL): Deleted. + +Sun Jun 28 08:44:32 1992 Michael Meissner (meissner@osf.org) + + * regclass.c (record_address_regs): Make the function static to + agree with the forward declaration. + + * mips.h (LINK_LIBGCC_SPECIAL): Define. + +Sun Jun 28 06:14:56 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * expr.c (direct_load, direct_store): New variables. + (init_expr_once): New function. + (convert_move, convert_to_mode): Don't let gen_lowpart make a MEM in + a mode that can't be directly copied to or from memory. + (store_field): Don't directly store into memory in a mode that + can't be used in a single insn. + (expand_expr, case COMPONENT_REF): Likewise, for load. + * toplev.c (compile_file): Call init_expr_once. + + * cse.c (fold_rtx, case SUBREG): If we can find nested SUBREGs + with an inner register in the mode we want, get rid of all the + SUBREGs provided they are all within a word. + + * cp-call.c, cp-class.c, cp-decl.c, cp-edsel.c, cp-lex.c: Don't + declare xmalloc and free here. + * cp-methods.c, cp-pt.c, cp-search.c, flow.c, integrate.c: Likewise. + * loop.c, opjc-actions.c, reload1.c, reorg.c, rtl.c: Likewise. + * stmt.c, tree.c, varasm.c: Likewise. + * toplev.c (xmalloc, xrealloc): Declare return types correctly. + * rtl.h, tree.h: Declare xmalloc and free here. + + * expmed.c (emit_store_flag): Keep the last target around if we + should preserve subexpressions. + +Sat Jun 27 07:11:28 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * cse.c (cse_insn): See if we have a CONST_INT that is already in + a register in a wider mode. + + * regclass.c: Major rework of regclass pass to do a better job of + setting up register preferences and replace the "preferred or + nothing" method with a class that should be used if the preferred + class cannot be allocated. + (MEMORY_MOVE_COST): Default value is 4, not 2. + (move_cost, may_move_cost): New arrays. + (init_reg_sets): Initialize them. + (struct costs): Replaces struct savings. + (costs): Replaces savings. + (op_costs): New array. + (altclass): Replaces preferred_or_nothing. + (reg_alternate_class): New function; replaced reg_preferred_or_nothing. + (regclass): Major rework. Use new recording methods; make two + passes if -fexpensive-optimizations; and refine REGNO_POINTER_FLAG + and loop_depth setting. + (record_reg_class): New function; replaces reg_class_record. + (copy_cost): New function. + (record_address_regs): Major changes. New parameters and simplified + and more efficient algorithm for chosing base vs. index regs. + * rtl.h (reg_alternate_class): Declare it. + * Makefile.in (regclass.o): Now includes reload.h and real.h. + * flow.c (dump_flow_info): Call reg_alternate_class instead of + reg_preferred_or_nothing. + * reload.c (find_reloads): Likewise. + (n_occurrences): No longer static. + * local-alloc.c: Use register alternate class instead of + preferred_or_nothing uniformly; change qty_preferred_or_nothing + to qty_alternate_class. + * global-alloc.c (global_alloc, retry_global_alloc): Call + reg_alternate_class instead of reg_preferred_or_nothing. + (find_reg): Change ALL_REGS_P argument to ALT_REGS_P. + Use alternate register class instead of ALL_REGS if can't allocate + in preferred class. + + * cccp.c (install): Accept separate arguments for integer and + pointer hash values; don't assume the sizes are the same. + All callers changed. + + * rtl.c (copy_rtx, copy_most_rtx): Add new case for 'u'. + + * tree.c (make_node): Clear all of common area, in particular, flags. + + * c-tree.h, cp-tree.h: Add declaration of truthvalue_conversion. + +Sat Jun 27 06:21:18 1992 Tom Wood (wood@dg-rtp.dg.com) + + * m88k.md (type attributes): Delete unused mbit and mfp types. + (ffsi2 insn): Define. + (negdf2 and absdf2 insns): Improve. + + * fold-const.c (range_test): Fix the misordered test. Fail if VAR + isn't an integer. + +Sat Jun 27 00:54:44 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * gcc.c (link_command_spec): No %D if LINK_LIBGCC_SPECIAL. + * sequent.h (LINK_LIBGCC_SPECIAL): Defined. + + * vax.h (PRINT_OPERAND): For SFmode, use 0f, not 0d or 0g. + + * ns32k.h (NS32K_DISPLACEMENT_P): Correct the range limits. + * ns32k.c (print_operand_address): REG_OK_FOR_INDEX_P wants an rtx. + +Fri Jun 26 08:55:03 1992 Tom Wood (wood@dg-rtp.dg.com) + + * fold-const.c (range_test): New function. + (merge_component_references): Look for range tests as well. + + * va-m88k.h: Same changes as other va-*.h files below. Make this + work when <stdio.h> and others are included on DG/UX. + +Fri Jun 26 08:17:33 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * expr.c (safe_from_p): Handle 0 in TREE_VALUE of a TREE_LIST. + (store_constructor: Ignore empty links in element chain. + +Fri Jun 26 07:06:19 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * c-convert.c (convert_to_integer): Don't add a NOP_EXPR in cases + where we can simply change the type of the entire tree. + + * cse.c (find_best_addr): Look for equivalents of a REG that is + the first operand of an address that is a binary operator whose + second operand is a CONST_INT. + + * stmt.c (expand_end_bindings): Don't save argument pointer if it + will be eliminated in favor of the frame pointer. + + * combine.c (try_combine): When using define_split to split an + insn, first try to put the pseudo-register into the mode of + the destination since it is the most likely to be the correct mode. + + * combine.c (make_compound_operation): Treat PLUS and MINUS + the same when passing down the code to the next level; for + consistency, an ASHIFT inside either gets turned into a MULT. + + * fold-const.c (optimize_bit_field_compare): Delete dead + assignment which can sometimes reference an undefined variable. + + * genoutput.c (gen_split): Initialize n_alternatives. + + * romp.md (movdf): Fix typo in operand_subword call in define_split. + +Fri Jun 26 04:38:37 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * Make stdarg mechanism work with libc. + * va-hp800.h, va-i860.h, va-i960.h, va-mips.h, va-pyr.h, va-sparc.h): + Don't define or declare va_list; declare __gnuc_va_list. + But only declare it once. + Define other things only if _STDARG_H or _VARARGS_H. + Declare va_end as well as defining it. + * gstdarg.h: Likewise. + If __need___va_list was defined, then undef it + and don't define _STDARG_H. + For all machines, declare va_list from __gnuc_va_list + but only if _STDARG_H is defined. + + * gvarargs.h: Test _ANSI_H_, not _ANSI_H. + +Thu Jun 25 23:24:02 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * ns32k.c (print_operand): + Change NO_IMMEDIATE_PREFIX_IF_SYMBOLIC conditional to #ifdef. + + * genoutput.c (gen_split): Set d->n_alternatives. + + * Makefile.in (test-protoize-simple): Expect just 400 lines. + (install-common-headers): When comparing srcdir with ., use pwd. + +Tue Jun 16 22:11:12 1992 Jim Wilson (wilson@sphagnum.cygnus.com) + + * Makefile.in (enquire.o): Don't delete/copy enquire.c, just use + the copy in the source directory. + +Tue Jun 25 23:52:27 1992 Howard Chu (hyc@hanauma.jpl.nasa.gov) + + * libgcc2.c (__builtin_saveregs): Use SVR4 code on Alliant FX2800, + but with BSD function-naming convention. + + * va-i860.h: Use SVR4 definitions of __va_saved_regs and va_list + on Alliant FX2800. + + * fx2800.h (I860_REG_PREFIX, ASM_COMMENT_START): Deleted. + (DBX_NO_EXTRA_TAGS, BSS_ASM_OP): Deleted. + (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT): Deleted. + (ASM_FILE_START): Just call output_file_directive. + +Thu Jun 25 06:49:15 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * c-typeck.c (process_init_constructor): Strip NON_LVALUE_EXPR + from specified array index. + + * configure (i386-*-bsd*, i386-*-mach*): Don't set tmake_file. + They used to use t-libc-ok. + + * input.h (struct file_stack): Revert prev. change. + +Thu Jun 25 06:33:52 1992 Tom Wood (wood@dg-rtp.dg.com) + + * stmt.c (expand_end_case): Add CASE_VALUES_THRESHOLD. + * m88k.h (CASE_VALUES_THRESHOLD): Define. + +Thu Jun 25 06:13:39 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * explow.c (plus_constant, case PLUS): Remove obsolete code; + use recursive call in case remaining operand is one we handle. + +Wed Jun 24 19:15:14 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * combine.c (subst, case PLUS): If adding two things with no bits + in common, convert to IOR. + + * expr.c (do_jump, case BIT_AND_EXPR, COMPONENT_REF): Don't narrow + comparison unless byte accesses are not slow and we have a + comparison in the new mode. + +Wed Jun 24 14:29:09 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * c-parse.y (primary): If built-in decl has not had + an official declaration, print warning. + * c-decl.c (builtin_function): Set C_DECL_ANTICIPATED for + user-visible names. + * c-tree.h (C_DECL_ANTICIPATED): New macro. + + * fixincludes: Make some symlinks in the `multimedia' subdir. + + * i386.c: Change #error to just error. + + * protoize.c: Normalize error message syntax. + (process_aux_info_file): Don't delete .X file if it existed before. + (explicity compare modtime with .c file. + +Wed Jun 24 14:10:35 1992 Jim Wilson (wilson@wookumz.gnu.ai.mit.edu) + + * sparc.c (sparc_frw_compute_frame_size): New function, for flat + register window model support. + (sparc_frw_save_restore): Likewise. + (sparc_frw_output_function_prologue): Likewise. + (sparc_frw_output_function_epilogue): Likewise. + (sparc_frw_epilogue_delay_slots): Likewise. + (sparc_frw_eligible_for_epilogue_delay): Likewise. + +Tue Jun 23 22:36:12 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * cccp.c (rescan): Recognize # only when reading directly from a file. + + * input.h (struct file_stack): Add member `fd'. + + * regclass.c (regno_first_uid, regno_last_uid): Make elements ints. + (reg_scan): Allocate and clear them as ints. + * regs.h: Fix the declarations. + + * Create driver executable with name xgcc; rename to gcc in installing. + (xgcc): Target renamed. + (GCC_FOR_TARGET, GCC_PASSES, start.encap, specs, gcc-cross): + (install-common, install-collect2): Rename in deps, commands or value. + (install-collect2): Always get driver from xgcc whether cross or not. + +Tue Jun 23 00:00:35 1992 Brendan Kehoe (brendan@cs.widener.edu) + + * toplev.c (strip_off_ending): Also strip off .C and .cxx. + +Tue Jun 23 18:58:43 1992 Jim Wilson (wilson@wookumz.gnu.ai.mit.edu) + + * genrecog.c (add_to_sequence): Don't ignore mode of first operand + of a MATCH_OPERAND or MATCH_DUP_OP rtl. + * sparc.md (scc): Use noov_compare_op instead of normal_compare_op. + + * function.c (expand_function_start): When not optimizing, don't + put static chain pointer in a pseudo register. + + * sparc.c (print_operand): For '*', only annul branch if + optimizing, to avoid dbx bug. Add '(' to handle unoptimized case. + * sparc.h (PRINT_OPERAND_PUNCT_VALID_P): Add '('. + * sparc.md (jump): Add '%(' to pattern. + + * c-decl.c (store_parm_decls): Change type of void parameter to + error_mark_node. + + * configure (m68k-*-sysv4*): Use xm-m68kv.h not xm-m68kv4.h. + + * configure: Add -prefix option. + + * vax.c (split_quadword_operands): Declare paramater n. + + * i960.h (WORD_SWITCH_TAKES_ARG): Add -aux-info. + + * xcoffout.c (xcoffout_declare_function): Cast alloca result to char *. + + * c-convert.c (convert_to_integer): Don't pass truncation past + shift that is larger than the size being truncated to. + +Tue Jun 23 06:15:47 1992 Richard Kenner (kenner at vlsi1.ultra.nyu.edu) + + * optabs.c (expand_binop, expand_unop): Try widening before trying + to make a library call. + + * stmt.c (expand_return): Add missing emit_queue call in tail + recursion case. + + * cse.c (simplify_unary_operation): Add SIGN_EXTEND and + ZERO_EXTEND to the operations we handle for wide results. + + * expr.c (emit_block_move): Convert size operand to mode that will + be passed to emit_library_call. + +Tue Jun 23 00:41:03 1992 Paul Eggert (eggert@shadow) + + * objc-parse.y (stmt): Fix mispelling for "label" in message. + + * cccp.c: (deps_file, pipe_closed): Deleted. + (main): Do not open deps_file until needed. + Check error status of dep_stream and stdout more carefully. + +Tue Jun 23 00:21:05 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * Makefile.in (protoize.1, unprotoize.1): Rules deleted. + (install-man, proto, realclean): Don't operate on them. + * proto-man: File deleted. + + * protoize.c (main): Support -v as alias for -V. + +Mon Jun 22 21:50:01 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * Makefile.in (compare, compare3): Discard error output from second + tail. If it fails, don't compare that file. + + * Makefile.in (stamp-proto): Move the touch command last. + + * cccp.c (finclude): Use xmalloc, not alloca, for file contents. + + * stmt.c (check_for_full_enumeration_handling): For a case range, + consider all values in the range as handled. Also, check both ends + for being in the enumeration. + + * ns32k.h (NS32K_DISPLACEMENT_P): Wide displacement range applies to + all models. + +Mon Jun 22 20:29:47 1992 Ron Guilmette (rfg at ncd.com) + + * expr.h (*_libfunc): Added missing extern declarations of libfuncs + to handle operations on/for TFmode and XFmode operands. + * expr.c (convert_move): Added missing code to handle moves (with + conversion) from/to TFmode and XFmode operands. + * optabs.c (*_libfuncs): Added missing definitions of libfuncs + to handle operations on/for TFmode and XFmode operands. + (emit_float_lib_cmp): Added missing code to handle XFmode and TFmode + comparisons. + (init_fixtab): Added missing code to handle fixing (and trunc'ing) + of XFmode and TFmode operands to various sizes of ints. + (init_floattab): Likewise, but for "float" operations from ints to + either XFmode or TFmode. + (expand_float): Likewise. + (expand_fix): Likewise. + (init_libfuncs, init_integral_libfuncs, init_floating_libfuncs): New + functions added to initialize whole hunks of various optabs with + appropriate `libfunc' field values. + (init_optabs): Use `init_integral_libfuncs' or `init_floating_libfuncs' + wherever a group of consecutive optab entries need to all have their + `libfunc' fields initialized. + (init_optabs): added missing code to handle all operations on/of + XFmode and TFmode operands. + +Mon Jun 22 06:40:32 1992 Richard Kenner (kenner at vlsi1.ultra.nyu.edu) + + * rs6000.h (MEMORY_MOVE_COST): Increase to 6, from 4. + (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Add new reg + classes SPEC_OR_GEN_REGS and NON_FLOAT_REGS. + + * rs6000.h (EXTRA_CONSTRAINT): Don't use indirect_operand; instead + check explicitly. + + * rs6000.md (divmod): Use "2" constraint instead of using "q" + twice. + (tablejump): Constraint of "r" should be "l". + + * emit-rtl.c (init_emit): Show that all pointers into the frame are + pointer registers. + +Mon Jun 22 04:20:26 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * va-sparc.h (va_arg): Rename local identifiers to start with __. + +Sun Jun 21 14:51:42 1992 Richard Stallman (rms@mole.gnu.ai.mit.edu) + + * fold-const.c (real_value_truncate): New function. + All calls to REAL_VALUE_TRUNCATE changed to use this function. + + * reload1.c (reload): Record which insn attains each maximum need. + If can't find a spill, call spill_failure and return 1. + (spill_failure): New subroutine. + * global-alloc.c (global_alloc): Return 1 if reload returned 1. + * toplev.c (rest_of_compilation): If they return nonzero, give up + compiling this function. + + * c-decl.c (duplicate_decls): Never warn if redeclaring + a predeclared function. Use the new declaration's types + but keep any predeclared volatile flag. + If redeclaring builtin function, use new declaration's type. + If an old decl becomes volatile, fix the DECL_RTL. + * varasm.c (make_var_volatile): New function. + + * configure (mips-sony-bsd): Use xm-mips.h. + * xm-mipsbsdn.h: File deleted. + + * protoize.c (process_aux_info_file): Simplify logic for calling + gen_aux_info_file. Get rid of the label `retry'. + + * m68ksgs.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): + Override for sgs syntax. + +Sun Jun 21 14:06:41 1992 Brendan Kehoe (brendan@cs.widener.edu) + + * va-sparc.h (va_arg): Use a character array of size TYPE for + `d' in the union, and return its dereference as TYPE. + +Sun Jun 21 14:04:36 1992 Wilson Tien (wtien at urbana.mcd.mot.com) + + * m68k.c (print_operand_address) [MOTOROLA]: Use .w and .l, not :w, :l. + +Sat Jun 20 06:32:11 1992 Richard Kenner (kenner at vlsi1.ultra.nyu.edu) + + * stor-layout.c (get_best_mode): If SLOW_BYTE_ACCESS is true, return + widest mode (but no wider than UNITS_PER_WORD) that meets all + the conditions. + + * combine.c (make_extraction): Always ensure we have a SUBREG when + we make a STRICT_LOW_PART. + + * varasm.c (const_hash, compare_constant_1, record_constant_1): + Handle case when TREE_VALUE of a constructor is zero. + (output_constant): Use CONSTRUCTOR_ELTS. + + * cse.c (cse_insn): Memory is not invalidated by a constant + subroutine call. + (delete_dead_from_cse): Correctly check for being within a + libcall block. + + * cse.c (canon_reg): Call validate_change with IN_GROUP equal to 1. + (cse_insn): Call apply_change_group after canon_reg. + When canonicalizing, call validate_change with IN_GROUP equal to + one and also call when canon_reg would. + + * combine.c (subst, shift cases): Use force_to_mode in + SHIFT_COUNT_TRUNCATED case. + + * rs6000.md: Add new pattern to split move of large constant. + + * cse.c (delete_dead_from_cse): Really delete insn instead of + turning it into a NOTE. + + * romp.md (shift patterns): Use QImode for count operand. + +Sat Jun 20 06:31:21 1992 Tom Wood (wood@dg-rtp.dg.com) + + * a29k.md (storehinhww): Use inhw not inbyte. + +Thu Jun 18 16:01:56 1992 Richard Kenner (kenner@vlsi1.ultra.nyu.edu) + + * protoize.c (WIFEXITED, WEXITSTATUS): Delete unused macros. + + * combine.c (subst): If comparison operator has floating-point + result, adjust the value returned by simplify_relational_operation + accordingly. + * integrate.c (subst_constants): Likewise. + * loop.c (get_condition): Likewise. + * cse.c (fold_rtx): Likewise. + When returning TRUE or FALSE, handle comparisons returning + floating-point. + (find_comparison_args): Handle comparisons returning FP values; + only look at STORE_FLAG_VALUE for comparisons returning integers. + + * combine.c (try_combine, subst): Pass both comparison arguments + to SELECT_CC_MODE. + * i386.h, i960.h, i960.c, mips.h, pa.h, pa.c, rs6000.h: + Add second argument to SELECT_CC_MODE. + * sparc.h, sparc.c: Likewise. + + * cse.c (insert_regs): Make a quantity for the register in a + SUBREG if it doesn't have one. + (fold_rtx, case SUBREG): Always try to find a constant equivalent + for a SUBREG; try for CONST_DOUBLE as well. + (cse_insn): Call insert_regs on DEST if it is a SUBREG. + +Thu Jun 18 15:01:29 1992 Mike Stump (mrs@albert.gnu.ai.mit.edu) + + * c++: Allow for better quoting and -v handling. + +Thu Jun 18 14:49:20 1992 Tom Wood (wood@dg-rtp.dg.com) + + For RMS: + * varasm.c: Declare text_section and readonly_data_section. + + * dpx2.h (CPP_SPEC): Define __HAVE_68881__ unless -msoft-float. + DPX/2 machines all have a 68882. + + * x-i386sco (RCCFLAGS): Use -DNULL=0 to avoid suurious warnings + from rcc. + + * seq386.h (SIZE_TYPE): The Sequent running Dynix uses int for size_t. + +Thu Jun 18 14:36:41 1992 Mike Stump (mrs@albert.gnu.ai.mit.edu) + + Merge in Cygnus sources... + + Fri Jun 5 15:00:55 1992 Mike Stump (mrs at cygnus.com) + + * cp-typeck.c (build_c_cast): When casting, propagate const'ness + from cast type. When casting to a reference to T, really just + cast to T. + + * cp-cvt.c (build_up_reference): Make a copy of a node before + changing it. Only propagate the const bit if we are not + subverting it. + + Fri Jun 5 14:36:19 1992 Mike Stump (mrs at cygnus.com) + + * cp-cvt.c (build_up_reference): When casting away const on + references, do not report an error. + + Fri Jun 5 13:26:11 1992 Mike Stump (mrs at cygnus.com) + + * cp-init.c (build_new): Handle new placement with arrays. + + Thu Jun 4 08:26:44 1992 Mike Stump (mrs at cygnus.com) + + * cp-search.c (compute_visibility): DERIVED_FROM_P had its + arguments reversed, switched them to be in the right order. + Fixes visibility on protected members. + + Wed Jun 3 14:45:40 1992 Mike Stump (mrs at cygnus.com) + + * cp-parse.y (unary_expr): Make it illegal to use delete on + a pointer to a const object. With help from Brendan Kehoe. + + Wed Jun 3 13:25:26 1992 Ken Raeburn (Raeburn@Cygnus.COM) + + * cp-parse.y (template_instantiate_once): Set + CLASSTYPE_GOT_SEMICOLON to eliminate messages about missing + semicolons. + + * cp-decl.c (start_function): Don't emit error message for missing + semicolon after class decl; that syntax (declaring both class and + function returning that type) should be legal. Do emit a warning if + it's not an anonymous name. + + Mon Jun 1 18:08:09 1992 Mike Stump (mrs at cygnus.com) + + Sat May 30 15:38:54 1992 Brendan Kehoe (brendan@cs.widener.edu) + + * cp-decl.c (grokdeclarator): Don't allow main to be static. + + Mon Jun 1 17:52:24 1992 Mike Stump (mrs at cygnus.com) + + Sat May 30 15:38:54 1992 Brendan Kehoe (brendan@cs.widener.edu) + + * cp-decl.c (poplevel): Use DECL_INITIAL to detect undef label + instead of DECL_SOURCE_LINE. + + Mon Jun 1 17:22:54 1992 Mike Stump (mrs at cygnus.com) + + * cp-parse.y (unary_expr): Don't allow old placement syntax(with {}) + nor dynamic with new (with ()) new placement syntax. Completes May 27 + fix. + + Mon Jun 1 13:57:28 1992 Mike Stump (mrs at cygnus.com) + + * cp-type2.c (digest_init): Trailing '\0' is never ignored in + initializations using strings in ANSI draft C++ unlike ANSI C. + + Mon Jun 1 07:18:13 1992 Michael Tiemann (tiemann at rtl.cygnus.com) + + * cp-decl.c (pushdecl): Re-fix May 12 change regarding DECL_CONTEXT. + * cp-call.c (build_method_call): Go back to using DECL_CONTEXT + instead of DECL_CLASS_CONTEXT. DECL_CONTEXT says when a function + was first declared virtual in a class, which is needed information + in case the virtual function comes from a virtual baseclass (because + the derived class won't have a vtable entry for that function (if it + has a vtable at all!)). + + Wed May 27 17:05:50 1992 Mike Stump (mrs at cygnus.com) + + * cp-parse.y (unary_expr): Handle new placement syntax, desupport + the old placement syntax with a pedwarn. + + Tue May 26 17:30:28 1992 Mike Stump (mrs at cygnus.com) + + Thu May 21 17:13:38 1992 Michael Tiemann (tiemann at cygnus.com) + + * cp-decl.c (grok_enum_decls): Allow reference to nested enums from + other classes for NICHL. + + Tue May 26 15:31:30 1992 Mike Stump (mrs at cygnus.com) + + * cp-*.[chy]: Always include "assert.h" and not <assert.h> to + be consistent. + + Tue May 26 10:07:02 1992 Mike Stump (mrs at cygnus.com) + + * cp-parse.y (return_init): Fix simple typo that caused '=' + initialized named return values to fail. + + Mon May 25 11:42:18 1992 Mike Stump (mrs at cygnus.com) + + * cp-parse.y (component_decl): Handle anonymous unions as before, + except check to make sure it is really an anonymous union. + + Sat May 23 23:37:38 1992 Mike Stump (mrs at cygnus.com) + + * cp-tree.c (layout_basetypes): Don't core dump on erroneous input. + + Sat May 23 22:04:31 1992 Mike Stump (mrs at cygnus.com) + + * cp-typeck.c (c_expand_start_case): build_type_conversion can + return a NULL_TREE, so don't try and find a code or type of it. + + Wed May 20 09:09:08 1992 Michael Tiemann (tiemann@rtl.cygnus.com) + + * cp-call.c (build_method_call): Use DECL_CLASS_CONTEXT, not + DECL_CONTEXT to find the class in which FUNCTION was declared (for + non-virtual calls). + + Tue May 19 02:08:39 1992 Mike Stump (mrs at cygnus.com) + + * cp-parse.y (component_decl): Remove some bogus code that + prevents empty nested union definitions from compiling. + + Tue May 19 01:08:23 1992 Mike Stump (mrs at cygnus.com) + + * cp-decl.c (grokfndecl): Propagate volatile from type of + function out to the decl for the function. + + Mon May 18 17:19:39 1992 Mike Stump (mrs at rtl.cygnus.com) + + * cp-search.c (get_binfo): Since unions cannot participate in + inheritance relationships, return 0 instead of aborting. + + Fri May 15 13:37:40 1992 Mike Stump (mrs at cygnus.com) + + * cp-parse.y (template_type_name): Handle + template<class T> class task { friend task<T>* preempt(task<T>*); }; + syntax. + + * cp-pt.c (lookup_template_class): Ditto. + + Thu May 14 22:54:17 1992 Mike Stump (mrs at cygnus.com) + + * cp-tree.c (layout_basetypes): Don't warn about non-virtual + destructors unless the user asks with -Wall. + + Thu May 14 22:38:54 1992 Mike Stump (mrs at cygnus.com) + + * cp-type2.c (build_functional_cast): exp may be an error_mark_node, + don't crash when it is. + + Thu May 14 18:56:26 1992 Mike Stump (mrs at cygnus.com) + + * cp-decl.c (hack_incomplete_structures): Test for underflow + before decreamenting n_incomplete in current_binding_level, since + it is unsigned. + + Tue May 12 15:52:49 1992 Mike Stump (mrs at cygnus.com) + + Mon May 11 14:10:50 1992 Ron Guilmette (rfg at ncd.com) + + * cp-decl.c (poplevel): Reconciled with recent changes made to the + `poplevel' routine in c-decl.c. The changes here cause LABEL_DECL + nodes to be attached (as the BLOCK_VARS chain) to the BLOCK node + which represent the outermost scope of the function. + + Mon May 11 12:35:44 1992 Ron Guilmette (rfg at ncd.com) + + * cp-class.c (finish_struct): Check DECL_CONTEXT to see if it is + any sort of a type (e.g. struct *or* union) rather than just + checking it to see if it's a RECORD_TYPE. + * cp-decl.c (pushdecl): Set DECL_CONTEXT of pushed ..._DECL node, + just as is done in c-decl.c. + (pushdecl): Delete useless variable `cntxt'. + (finish_decl): Set TREE_USED rather than DECL_FROM_INLINE in order + to prevent "unused" warnings. + (finish_function): Check DECL_CONTEXT to see if it is a type. + (finish_function): Fixed indentation problem. + * cp-gc.c (build_m_desc): Check DECL_CONTEXT to see if it is a type. + * cp-init.c (build_virtual_init): Fix indentation. + * cp-lex.c (store_pending_inline): Check DECL_CONTEXT to see if it + is a type. + * cp-pt.c (tsubst, do_pending_expansions): Check DECL_CONTEXT to see + if it is a type. + * cp-typeck.c (mark_addressable): Check DECL_CONTEXT to see if it is + any sort of a type (e.g. struct *or* union) rather than just + checking it to see if it's a RECORD_TYPE. + + Tue May 12 08:52:06 1992 Michael Tiemann (tiemann@rtl.cygnus.com) + + * cp-typeck.c (build_component_ref): Call `break_out_cleanups'. + Also clean up indentiation. + + Mon May 11 23:14:04 1992 Mike Stump (mrs at cygnus.com) + + * cp-decl.c (pushtag): Handle structure tags in the same way as the + C front-end. This completes a change that rms put in on 3/12/92 and + I put in the Cygnus tree on 3/13/92 and Mark Eichin took back out on + 3/18/92. + + Sun May 3 00:29:59 1992 Mike Stump (mrs at cygnus.com) + + * cp-lex.c (copy_lang_decl, store_pending_inline): Cast + arguments to bcopy to be char *. + + Fri May 1 12:22:31 1992 Michael Tiemann (tiemann@cygnus.com) + + * cp-init.c (expand_aggr_init, expand_vec_init): When comparing + array types, use `comptypes' instead of ==, since two array types + may be structurally identical but not == if one was defaulted from + an initializer. + + Wed Apr 29 01:25:25 1992 Mike Stump (mrs at cygnus.com) + + * cp-init.c (do_friend): Check that PREVIOUS_DECL is non-NULL. + +Thu Jun 18 14:15:07 1992 Torbjorn Granlund (tege@hal.gnu.ai.mit.edu) + + * pa.md (insv): Use `+' for operand 0 constraint. + +Thu Jun 18 13:39:22 1992 Michael Meissner (meissner@osf.org) + + * mips.h (MIPS_VERSION): Bump Meissner version # to 20. + (final_prescan_insn): Add declaration. + (FINAL_PRESCAN_INSN): Just call final_prescan_insn. + (CONST_OK_FOR_LETTER_P): Rewrite some tests, so that they will + work on host systems with 64 bit integers. + + * mips.c (large_int): Rework, so that we don't get funny boundary + conditions on systems with 64 bit integers. + (mips_move_1word): Just use li to load constants that can be done + with lui, instead of issuing the lui, since the GAS bug that + generated two instructions has been fixed. + (final_prescan_insn): Move the checking for filling the delay + slots here from the FINAL_PRESCAN_INSN macro. + + * mips.md (andsi3, iorsi3, xorsi3): Make the constraints match + the real machine (the predicate still is more general in order + to optimize bitfields at the expense of not CSE'ing large + constants used in logical ops, and making reload load it into + a scratch register). Don't use $1 as a temporary register any + more. + + * varasm.c (decode_reg_name): If `memory' return -4. + + * stmt.c (expand_asm_operands): If `memory' is used as a clobbered + register, emit a (clobber (const_int 0)) to force the compiler not + to cache memory values in registers across the assembly + instruction(s). + + * mips-tfile.c (read_line): Semicolons within strings are not + counted as statement separators. + + * collect2.c (scan_prog_file, OSF/rose case): Cast pointer arguments + to bcopy to generic * to avoid warnings. + +Thu Jun 18 12:04:53 1992 David J. MacKenzie (djm@wookumz.gnu.ai.mit.edu) + + * c++: If given -v with no file args, don't pass the libraries to + gcc. + +Thu Jun 18 10:34:22 1992 Tom Wood (wood@dg-rtp.dg.com) + + * expr.c (expand_builtin, BUILT_IN_FSQRT): Emit queue of increment + instructions before starting a sequence that may get thrown away. + +See ChangeLog.5 for earlier changes. |