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[Bug tree-optimization/85692] Two source permute not used for vector initialization
- 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: Fri, 11 May 2018 07:39:21 +0000
- Subject: [Bug tree-optimization/85692] Two source permute not used for vector initialization
- Auto-submitted: auto-generated
- References: <bug-85692-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85692
--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Fri May 11 07:38:49 2018
New Revision: 260155
URL: https://gcc.gnu.org/viewcvs?rev=260155&root=gcc&view=rev
Log:
PR tree-optimization/85692
* tree-ssa-forwprop.c (simplify_vector_constructor): Try two
source permute as well.
* gcc.target/i386/pr85692.c: New test.
Added:
trunk/gcc/testsuite/gcc.target/i386/pr85692.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-forwprop.c