[Bug tree-optimization/44913] [4.6 Regression] -ftree-vectorize causes FAIL: gcc.dg/pr44838.c execution test
rguenth at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Thu Oct 14 15:52:00 GMT 2010
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44913
--- Comment #4 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-10-14 15:51:22 UTC ---
Author: rguenth
Date: Thu Oct 14 15:51:15 2010
New Revision: 165473
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=165473
Log:
2010-10-14 Richard Guenther <rguenther@suse.de>
PR tree-optimization/44913
* tree-data-ref.c (disjoint_objects_p): Remove.
(dr_may_alias_p): Simplify. Only hand the base object to
the alias-oracle.
* tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Handle
some more trees, bail out instead of asserting.
(ptr_derefs_may_alias_p): Likewise. Export.
(refs_may_alias_p_1): Handle STRING_CSTs.
* tree-ssa-alias.h (ptr_derefs_may_alias_p): Declare.
* gcc.dg/torture/pr44913.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr44913.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-data-ref.c
trunk/gcc/tree-ssa-alias.c
trunk/gcc/tree-ssa-alias.h
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