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[Bug middle-end/71626] [4.9 regression] ICE at -O1 and above on x86_64-linux-gnu (in output_constant_pool_2, at varasm.c:3837)
- 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: Thu, 07 Jul 2016 21:53:44 +0000
- Subject: [Bug middle-end/71626] [4.9 regression] ICE at -O1 and above on x86_64-linux-gnu (in output_constant_pool_2, at varasm.c:3837)
- Auto-submitted: auto-generated
- References: <bug-71626-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71626
--- Comment #9 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Thu Jul 7 21:53:12 2016
New Revision: 238145
URL: https://gcc.gnu.org/viewcvs?rev=238145&root=gcc&view=rev
Log:
Backported from mainline
2016-06-28 Jakub Jelinek <jakub@redhat.com>
PR middle-end/71626
* config/i386/i386.c (ix86_expand_vector_move): For SUBREG of
a constant, force its SUBREG_REG into memory or register instead
of whole op1.
* gcc.c-torture/execute/pr71626-1.c: New test.
* gcc.c-torture/execute/pr71626-2.c: New test.
Added:
branches/gcc-4_9-branch/gcc/testsuite/gcc.c-torture/execute/pr71626-1.c
branches/gcc-4_9-branch/gcc/testsuite/gcc.c-torture/execute/pr71626-2.c
Modified:
branches/gcc-4_9-branch/gcc/ChangeLog
branches/gcc-4_9-branch/gcc/config/i386/i386.c
branches/gcc-4_9-branch/gcc/testsuite/ChangeLog