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

2010-10-22 Richard Guenther <rguenther@suse.de>

PR tree-optimization/45720
* tree-vect-data-refs.c (vect_update_misalignment_for_peel):
Handle negative step.
(vect_enhance_data_refs_alignment): Likewise.
* tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Likewise.
(vect_create_cond_for_align_checks): Likewise.
(vect_create_cond_for_alias_checks): Likewise.

* gcc.dg/torture/pr45720.c: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@165832 138bc75d-0d04-0410-961f-82ee72b054a4

author	rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
	Fri, 22 Oct 2010 14:44:48 +0000 (14:44 +0000)
committer	rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
	Fri, 22 Oct 2010 14:44:48 +0000 (14:44 +0000)
commit	f1b8c740f15dfbe9e28dbacc7dc349f27f89f312
tree	4383d330bb2bda293ba6501d646c129330f5b813	tree \| snapshot
parent	a3240f1130eff9dd5c2b2674ef955464d3444d4a	commit \| diff

gcc/ChangeLog		diff \| blob \| history
gcc/testsuite/ChangeLog		diff \| blob \| history
gcc/testsuite/gcc.dg/torture/pr45720.c	[new file with mode: 0644]	blob
gcc/tree-vect-data-refs.c		diff \| blob \| history
gcc/tree-vect-loop-manip.c		diff \| blob \| history