diff options
author | fxcoudert <> | 2005-10-12 19:21:31 +0000 |
---|---|---|
committer | fxcoudert <> | 2005-10-12 19:21:31 +0000 |
commit | 83d2a87e0ae48ad093a321d8821dfd1aa2664e78 (patch) | |
tree | af4f5409e807606750191918d192516dcd170012 /libgfortran/runtime/fpu.c | |
parent | ed2464defe0cc977a7c57178e1377a5f809d3544 (diff) |
* gfortran.h: Add bitmasks for different FPE traps. Add fpe
member to options_t.
* invoke.texi: Document the new -ffpe-trap option.
* lang.opt: Add -ffpe-trap option.
* options.c (gfc_init_options): Initialize the FPE option.
(gfc_handle_fpe_trap_option): New function to parse the argument
of the -ffpe-trap option.
(gfc_handle_option): Add case for -ffpe-trap.
* trans-decl.c: Declare a tree for the set_fpe library function.
(gfc_build_builtin_function_decls): Build this tree.
(gfc_generate_function_code): Generate a call to set_fpe at
the beginning of the main program.
* trans.h: New tree for the set_fpe library function.
* Makefile.am: Add fpu.c to the build process, and
target-dependent code as fpu-target.h.
* Makefile.in: Regenerate.
* configure.ac: Add call to configure.host to set
FPU_HOST_HEADER.
* configure: Regenerate.
* config.h.in: Regenerate.
* aclocal.m4: Regenerate.
* configure.host: New script to determine which host-dependent
code should go in.
* libgfortran.h: Add fpe option, remove previous fpu_ options.
Add bitmasks for different FPE traps. Add prototype for set_fpu.
* runtime/environ.c: Remove environment variables to control
fpu behaviour.
* runtime/fpu.c (set_fpe): New function for the front-end.
* runtime/main.c (init): Set FPU state.
* config: New directory to store host-dependent code.
* config/fpu-387.h: New file with code handling the i387 FPU.
* config/fpu-glibc.h: New file with code for glibc systems.
* config/fpu-generic.h: Fallback for the most generic host. Issue
warnings.
Diffstat (limited to 'libgfortran/runtime/fpu.c')
-rw-r--r-- | libgfortran/runtime/fpu.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/libgfortran/runtime/fpu.c b/libgfortran/runtime/fpu.c new file mode 100644 index 00000000000..f81a3b05a42 --- /dev/null +++ b/libgfortran/runtime/fpu.c @@ -0,0 +1,16 @@ +#include "libgfortran.h" + +/* We include the platform-dependent code. */ +#include "fpu-target.h" + +/* Function called by the front-end to tell us + when a FPE should be raised. */ +extern void set_fpe (int); +export_proto(set_fpe); + +void +set_fpe (int exceptions) +{ + options.fpe = exceptions; + set_fpu (); +} |