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| author | Richard Guenther <rguenther@suse.de> | 2012-03-05 13:08:55 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2012-03-05 13:08:55 +0000 |
| commit | b55f62ccae9766c687dea6afc60f701a4490b0f1 (patch) | |
| tree | 42d3abf28617c05fdaa5e752dbc6b7ef735744cf /gcc/optabs.h | |
| parent | 8dad8b259071a3b49d8ad0f08b7b0dba30b974c0 (diff) | |
| download | gcc-b55f62ccae9766c687dea6afc60f701a4490b0f1.zip gcc-b55f62ccae9766c687dea6afc60f701a4490b0f1.tar.gz gcc-b55f62ccae9766c687dea6afc60f701a4490b0f1.tar.bz2 | |
re PR middle-end/52353 (-ftrapv -fnon-call-exceptions does not work)
2012-03-05 Richard Guenther <rguenther@suse.de>
PR middle-end/52353
* optabs.h (trapv_unoptab_p): New function.
(trapv_binoptab_p): Likewise.
* optabs.c (expand_binop): Use emit_libcall_block_1 with
a proper equiv_may_trap argument.
(expand_unop): Likewise.
(emit_libcall_block_1): Take extra argument whether the
instruction may trap. Renamed from ...
(emit_libcall_block): ... this. New wrapper.
From-SVN: r184932
Diffstat (limited to 'gcc/optabs.h')
| -rw-r--r-- | gcc/optabs.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/optabs.h b/gcc/optabs.h index 6ad6dae..70a7395 100644 --- a/gcc/optabs.h +++ b/gcc/optabs.h @@ -1103,6 +1103,25 @@ set_direct_optab_handler (direct_optab op, enum machine_mode mode, op->handlers[(int) mode].insn_code = (int) code - (int) CODE_FOR_nothing; } +/* Return true if UNOPTAB is for a trapping-on-overflow operation. */ + +static inline bool +trapv_unoptab_p (optab unoptab) +{ + return (unoptab == negv_optab + || unoptab == absv_optab); +} + +/* Return true if BINOPTAB is for a trapping-on-overflow operation. */ + +static inline bool +trapv_binoptab_p (optab binoptab) +{ + return (binoptab == addv_optab + || binoptab == subv_optab + || binoptab == smulv_optab); +} + extern rtx optab_libfunc (optab optab, enum machine_mode mode); extern rtx convert_optab_libfunc (convert_optab optab, enum machine_mode mode1, enum machine_mode mode2); |