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[Bug tree-optimization/69820] [6 Regression] Test miscompiled with -O3 option
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 16 Feb 2016 15:17:20 +0000
- Subject: [Bug tree-optimization/69820] [6 Regression] Test miscompiled with -O3 option
- Auto-submitted: auto-generated
- References: <bug-69820-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69820
--- Comment #10 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Tue Feb 16 15:16:48 2016
New Revision: 233457
URL: https://gcc.gnu.org/viewcvs?rev=233457&root=gcc&view=rev
Log:
PR tree-optimization/69820
* tree-vect-patterns.c (type_conversion_p): Return false if
*orig_type is unsigned single precision or boolean.
(vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
Formatting fix.
* gcc.dg/vect/pr69820.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/vect/pr69820.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vect-patterns.c