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(parent: 657e45c) | patch
2009-06-20 Richard Guenther <rguenther@suse.de>
authorrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Sat, 20 Jun 2009 12:03:16 +0000 (12:03 +0000)
committerrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Sat, 20 Jun 2009 12:03:16 +0000 (12:03 +0000)
commit09d9c77451be2af28d5bcb5327cdb606d939a54b
tree184a74dea43f320ee54cbce63562ba24f77061d9tree
parent657e45c6d68596fdc8988a7e73e0bf136f8b8e24commit | diff
2009-06-20  Richard Guenther  <rguenther@suse.de>

* tree-ssa-structalias.c (find_func_aliases): For memset use
a constraint from NULL if we memset to zero.
* tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Add builtins
we explicitly handle that do not read from memory.
(call_may_clobber_ref_p_1): Properly handle builtins that may
set errno.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@148747 138bc75d-0d04-0410-961f-82ee72b054a4
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gcc/tree-ssa-alias.c diff | blob | blame | history
gcc/tree-ssa-structalias.c diff | blob | blame | history
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