review.tizen.org Git - platform/upstream/gcc.git/commit

author	Richard Biener <rguenther@suse.de>
	Tue, 15 Apr 2014 16:04:11 +0000 (16:04 +0000)
committer	Richard Biener <rguenth@gcc.gnu.org>
	Tue, 15 Apr 2014 16:04:11 +0000 (16:04 +0000)
commit	8d3c076f3ddc11df418af3ac54d28a4a2d19ef3b
tree	ac84e759ec57e0db2ae1879fdf728930ca885649	tree \| snapshot
parent	4803acceb2e0e70449ad1b251466a4625f702299	commit \| diff

re PR rtl-optimization/56965 (nonoverlapping_component_refs_p is bogus and slow)

2014-04-15 Richard Biener <rguenther@suse.de>

PR rtl-optimization/56965
* alias.c (ncr_compar, nonoverlapping_component_refs_p): Move ...
* tree-ssa-alias.c (ncr_compar, nonoverlapping_component_refs_p):
... here.
* alias.c (true_dependence_1): Do not call
nonoverlapping_component_refs_p.
* tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Call
nonoverlapping_component_refs_p.
(indirect_refs_may_alias_p): Likewise.

* gcc.dg/torture/pr56965-1.c: New testcase.
* gcc.dg/torture/pr56965-2.c: Likewise.

From-SVN: r209423

gcc/ChangeLog		diff \| blob \| history
gcc/alias.c		diff \| blob \| history
gcc/testsuite/ChangeLog		diff \| blob \| history
gcc/testsuite/gcc.dg/torture/pr56965-1.c	[new file with mode: 0644]	blob
gcc/testsuite/gcc.dg/torture/pr56965-2.c	[new file with mode: 0644]	blob
gcc/tree-ssa-alias.c		diff \| blob \| history