diff options
Diffstat (limited to 'gcc/config/alpha/alpha.h')
| -rw-r--r-- | gcc/config/alpha/alpha.h | 46 |
1 files changed, 11 insertions, 35 deletions
diff --git a/gcc/config/alpha/alpha.h b/gcc/config/alpha/alpha.h index 00e5c915f8a..d7bb2d16887 100644 --- a/gcc/config/alpha/alpha.h +++ b/gcc/config/alpha/alpha.h @@ -676,12 +676,17 @@ enum reg_class { NO_REGS, GENERAL_REGS, FLOAT_REGS, ALL_REGS, For the Alpha, `Q' means that this is a memory operand but not a reference to an unaligned location. + `R' is a SYMBOL_REF that has SYMBOL_REF_FLAG set or is the current - function. */ + function. + + 'S' is a 6-bit constant (valid for a shift insn). */ #define EXTRA_CONSTRAINT(OP, C) \ - ((C) == 'Q' ? GET_CODE (OP) == MEM && GET_CODE (XEXP (OP, 0)) != AND \ - : (C) == 'R' ? current_file_function_operand (OP, Pmode) \ + ((C) == 'Q' ? GET_CODE (OP) == MEM && GET_CODE (XEXP (OP, 0)) != AND \ + : (C) == 'R' ? current_file_function_operand (OP, Pmode) \ + : (C) == 'S' ? (GET_CODE (OP) == CONST_INT \ + && (unsigned HOST_WIDE_INT) INTVAL (OP) < 64) \ : 0) /* Given an rtx X being reloaded into a reg required to be @@ -1202,38 +1207,8 @@ extern void output_end_prologue (); to initialize the "hint" field in the JMP insn. Note that the hint field is PC (new) + 4 * bits 13:0. */ -#define INITIALIZE_TRAMPOLINE(TRAMP, FNADDR, CXT) \ -{ \ - rtx _temp, _temp1, _addr; \ - \ - _addr = memory_address (Pmode, plus_constant ((TRAMP), 16)); \ - emit_move_insn (gen_rtx (MEM, Pmode, _addr), (FNADDR)); \ - _addr = memory_address (Pmode, plus_constant ((TRAMP), 24)); \ - emit_move_insn (gen_rtx (MEM, Pmode, _addr), (CXT)); \ - \ - _temp = force_operand (plus_constant ((TRAMP), 12), NULL_RTX); \ - _temp = expand_binop (DImode, sub_optab, (FNADDR), _temp, _temp, 1, \ - OPTAB_WIDEN); \ - _temp = expand_shift (RSHIFT_EXPR, Pmode, _temp, \ - build_int_2 (2, 0), NULL_RTX, 1); \ - _temp = expand_and (gen_lowpart (SImode, _temp), \ - GEN_INT (0x3fff), 0); \ - \ - _addr = memory_address (SImode, plus_constant ((TRAMP), 8)); \ - _temp1 = force_reg (SImode, gen_rtx (MEM, SImode, _addr)); \ - _temp1 = expand_and (_temp1, GEN_INT (0xffffc000), NULL_RTX); \ - _temp1 = expand_binop (SImode, ior_optab, _temp1, _temp, _temp1, 1, \ - OPTAB_WIDEN); \ - \ - emit_move_insn (gen_rtx (MEM, SImode, _addr), _temp1); \ - \ - emit_library_call (gen_rtx (SYMBOL_REF, Pmode, \ - "__enable_execute_stack"), \ - 0, VOIDmode, 1,_addr, Pmode); \ - \ - emit_insn (gen_rtx (UNSPEC_VOLATILE, VOIDmode, \ - gen_rtvec (1, const0_rtx), 0)); \ -} +#define INITIALIZE_TRAMPOLINE(TRAMP, FNADDR, CXT) \ + alpha_initialize_trampoline (TRAMP, FNADDR, CXT) /* Attempt to turn on access permissions for the stack. */ @@ -2127,6 +2102,7 @@ do { \ } \ } while (0) + /* Define results of standard character escape sequences. */ #define TARGET_BELL 007 #define TARGET_BS 010 |