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| author | Richard Biener <rguenth@gcc.gnu.org> | 2007-09-04 15:29:15 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2007-09-04 15:29:15 +0000 |
| commit | 16ae1645b19b0610567841aa48e3440b3806199e (patch) | |
| tree | 420dfd35f0a0d8ca5819364904ed46588d548c80 /gcc | |
| parent | 817a54f1cd26996609437a3e7e18942e32b97e65 (diff) | |
| download | gcc-16ae1645b19b0610567841aa48e3440b3806199e.zip gcc-16ae1645b19b0610567841aa48e3440b3806199e.tar.gz gcc-16ae1645b19b0610567841aa48e3440b3806199e.tar.bz2 | |
tree-ssa-operands.c (add_virtual_operand): Only mark stores as has_volatile_ops if alias information is not available.
2007-09-04 Richard Guenther <rguenther@suse.de>
* tree-ssa-operands.c (add_virtual_operand): Only mark
stores as has_volatile_ops if alias information is not available.
From-SVN: r128089
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 9 | ||||
| -rw-r--r-- | gcc/tree-ssa-operands.c | 3 |
2 files changed, 9 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8cd8080..3ade7f8 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,8 +1,13 @@ -2007-08-29 Andrew Haley <aph@redhat.com> +2007-09-04 Richard Guenther <rguenther@suse.de> + + * tree-ssa-operands.c (add_virtual_operand): Only mark + stores as has_volatile_ops if alias information is not available. + +2007-09-04 Andrew Haley <aph@redhat.com> * config/arm/libgcc-bpabi.ver: Add _Unwind_Backtrace as GCC_4.3.0. -2007-08-08 Andrew Haley <aph@redhat.com> +2007-09-04 Andrew Haley <aph@redhat.com> * config/arm/libunwind.S (UNWIND_WRAPPER _Unwind_Backtrace): New. * config/arm/unwind-arm.h (__gnu_Unwind_Backtrace): New. diff --git a/gcc/tree-ssa-operands.c b/gcc/tree-ssa-operands.c index 4996e09..b01dd99 100644 --- a/gcc/tree-ssa-operands.c +++ b/gcc/tree-ssa-operands.c @@ -1494,7 +1494,8 @@ add_virtual_operand (tree var, stmt_ann_t s_ann, int flags, if (aliases == NULL) { - if (!gimple_aliases_computed_p (cfun)) + if (!gimple_aliases_computed_p (cfun) + && (flags & opf_def)) s_ann->has_volatile_ops = true; /* The variable is not aliased or it is an alias tag. */ |