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[Bug target/38931] Seg fault when getting instruction latency on a *movsi_1 with an MMX target register
- From: "uros at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 25 Jan 2009 12:26:29 -0000
- Subject: [Bug target/38931] Seg fault when getting instruction latency on a *movsi_1 with an MMX target register
- References: <bug-38931-17188@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #7 from uros at gcc dot gnu dot org 2009-01-25 12:26 -------
Subject: Bug 38931
Author: uros
Date: Sun Jan 25 12:26:15 2009
New Revision: 143663
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=143663
Log:
Backport from mainline:
2009-01-22 Uros Bizjak <ubizjak@gmail.com>
PR target/38931
* config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
(*movdi_1_rex64): Use type "mmx" for alternative 5.
2009-01-21 Uros Bizjak <ubizjak@gmail.com>
PR rtl-optimization/38879
* alias.c (base_alias_check): Unaligned access via AND address can
alias all surrounding object types except those with sizes equal
or wider than the size of unaligned access.
testsuite/ChangeLog:
Backport from mainline:
2009-01-22 Uros Bizjak <ubizjak@gmail.com>
PR target/38931
* gcc.target/i386/pr38931.c: New test.
Added:
branches/gcc-4_3-branch/gcc/testsuite/gcc.target/i386/pr38931.c
Modified:
branches/gcc-4_3-branch/gcc/ChangeLog
branches/gcc-4_3-branch/gcc/alias.c
branches/gcc-4_3-branch/gcc/config/i386/i386.md
branches/gcc-4_3-branch/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38931