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| author | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2011-11-08 13:44:11 +0000 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2011-11-08 13:44:11 +0000 |
| commit | fabe6a9a7a3154b2d03c7584847a48299ca1f042 (patch) | |
| tree | 49c12e8bcc3089aaeedda91d8c4f1c446b8c301b /gcc | |
| parent | a456676fbc49400e55342117b19db664b94a7906 (diff) | |
| download | gcc-fabe6a9a7a3154b2d03c7584847a48299ca1f042.zip gcc-fabe6a9a7a3154b2d03c7584847a48299ca1f042.tar.gz gcc-fabe6a9a7a3154b2d03c7584847a48299ca1f042.tar.bz2 | |
re PR rtl-optimization/47698 (CMOV accessing volatile memory with read side effect)
PR rtl-optimization/47698
* ifcvt.c (noce_operand_ok): Move around comment.
From-SVN: r181161
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/ifcvt.c | 4 |
2 files changed, 8 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6c92689..e5050e1 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2011-11-08 Eric Botcazou <ebotcazou@adacore.com> + + PR rtl-optimization/47698 + * ifcvt.c (noce_operand_ok): Move around comment. + 2011-11-08 Richard Guenther <rguenther@suse.de> PR lto/50999 @@ -479,7 +484,7 @@ 2011-11-07 Sergey Ostanevich <sergos.gnu@gmail.com> PR rtl-optimization/47698 - * ifconv.c (noce_operand_ok): prevent CMOV generation for volatile mem. + * ifcvt.c (noce_operand_ok): Return false for mems with side effects. 2011-11-07 Tristan Gingold <gingold@adacore.com> diff --git a/gcc/ifcvt.c b/gcc/ifcvt.c index 3b05c2a..e8fa0bd 100644 --- a/gcc/ifcvt.c +++ b/gcc/ifcvt.c @@ -2327,11 +2327,11 @@ noce_get_condition (rtx jump, rtx *earliest, bool then_else_reversed) static int noce_operand_ok (const_rtx op) { - /* We special-case memories, so handle any of them with - no address side effects. */ if (side_effects_p (op)) return FALSE; + /* We special-case memories, so handle any of them with + no address side effects. */ if (MEM_P (op)) return ! side_effects_p (XEXP (op, 0)); |