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| author | Richard Guenther <rguenther@suse.de> | 2007-09-09 16:23:26 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2007-09-09 16:23:26 +0000 |
| commit | e9f91f6220e75cceed0abfe663bdf8d9ff51682b (patch) | |
| tree | 9c2cccbb5e5a8ff05a9f73fd6d8a93b593ee8140 | |
| parent | 20dc9cf4eb6e140a7daa705dbac455daef891cab (diff) | |
| download | gcc-e9f91f6220e75cceed0abfe663bdf8d9ff51682b.zip gcc-e9f91f6220e75cceed0abfe663bdf8d9ff51682b.tar.gz gcc-e9f91f6220e75cceed0abfe663bdf8d9ff51682b.tar.bz2 | |
tree-ssa-operands.c (add_virtual_operand): Only mark stores as has_volatile_ops if alias information is not available.
2007-09-09 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.
* gcc.c-torture/compile/20070906-1.c: New testcase.
From-SVN: r128300
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/compile/20070906-1.c | 8 | ||||
| -rw-r--r-- | gcc/tree-ssa-operands.c | 3 |
4 files changed, 19 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 0aa727d..ff54c46 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2007-09-09 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. + 2007-09-09 Revital Eres <eres@il.ibm.com> * doc/contrib.texi: Add myself. diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 3772b7b..02fc4ac 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2007-09-09 Richard Guenther <rguenther@suse.de> + + * gcc.c-torture/compile/20070906-1.c: New testcase. + 2007-09-09 Ira Rosen <irar@il.ibm.com> * gcc.dg/vect/costmodel/ppc/costmodel-vect-outer-fir.c: Add diff --git a/gcc/testsuite/gcc.c-torture/compile/20070906-1.c b/gcc/testsuite/gcc.c-torture/compile/20070906-1.c new file mode 100644 index 0000000..bec983f --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/20070906-1.c @@ -0,0 +1,8 @@ +struct Bar { + int i[8]; +}; +struct Bar foo(struct Bar **p) +{ + return foo((struct Bar**)*p); +} + diff --git a/gcc/tree-ssa-operands.c b/gcc/tree-ssa-operands.c index a3e34ec..3562e71 100644 --- a/gcc/tree-ssa-operands.c +++ b/gcc/tree-ssa-operands.c @@ -1511,7 +1511,8 @@ 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. */ |