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[Bug middle-end/26379] [4.0 Regression] ICE on vector shift RTL simplification
- From: "sayle at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 16 Mar 2006 21:33:43 -0000
- Subject: [Bug middle-end/26379] [4.0 Regression] ICE on vector shift RTL simplification
- References: <bug-26379-87@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #6 from sayle at gcc dot gnu dot org 2006-03-16 21:33 -------
Subject: Bug 26379
Author: sayle
Date: Thu Mar 16 21:33:38 2006
New Revision: 112152
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=112152
Log:
PR middle-end/26379
Backport from mainline.
2006-02-21 Jakub Jelinek <jakub@redhat.com>
* combine.c (simplify_shift_const_1): Disable nested shifts
optimization for vector shifts.
* gcc.target/i386/mmx-7.c: New test.
Added:
branches/gcc-4_0-branch/gcc/testsuite/gcc.target/i386/mmx-7.c
Modified:
branches/gcc-4_0-branch/gcc/ChangeLog
branches/gcc-4_0-branch/gcc/combine.c
branches/gcc-4_0-branch/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26379