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[Bug tree-optimization/71518] [6/7 Regression] wrong code at -O3 on x86_64-linux-gnu in 64-bit mode (not in 32-bit mode)
- From: "ienkovich at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 06 Jul 2016 14:37:58 +0000
- Subject: [Bug tree-optimization/71518] [6/7 Regression] wrong code at -O3 on x86_64-linux-gnu in 64-bit mode (not in 32-bit mode)
- Auto-submitted: auto-generated
- References: <bug-71518-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71518
--- Comment #3 from Ilya Enkovich <ienkovich at gcc dot gnu.org> ---
Author: ienkovich
Date: Wed Jul 6 14:37:26 2016
New Revision: 238055
URL: https://gcc.gnu.org/viewcvs?rev=238055&root=gcc&view=rev
Log:
gcc/
2016-07-06 Yuri Rumyantsev <ysrumyan@gmail.com>
PR tree-optimization/71518
* tree-vect-data-refs.c (vect_compute_data_ref_alignment): Adjust
misalign also for outer loops with negative step.
gcc/testsuite/
2016-07-06 Yuri Rumyantsev <ysrumyan@gmail.com>
PR tree-optimization/71518
* gcc.dg/pr71518.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/pr71518.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vect-data-refs.c