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[Bug optimization/8178] [3.4 regression] __builtin_ffs broken with -march=k6
- From: "cvs-commit at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 19 Oct 2003 17:53:21 -0000
- Subject: [Bug optimization/8178] [3.4 regression] __builtin_ffs broken with -march=k6
- References: <20021009170600.8178.christianbiere@gmx.de>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=8178
------- Additional Comments From cvs-commit at gcc dot gnu dot org 2003-10-19 17:53 -------
Subject: Bug 8178
CVSROOT: /cvs/gcc
Module name: gcc
Changes by: ebotcazou@gcc.gnu.org 2003-10-19 17:53:12
Modified files:
gcc : ChangeLog
gcc/config/i386: i386.md
Log message:
PR optimization/8178
* config/i386/i386.md (*movsi_zero): Delete.
(*ffs_no_cmove): Use ix86_expand_clear to zero the third operand.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.1477&r2=2.1478
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/i386/i386.md.diff?cvsroot=gcc&r1=1.485&r2=1.486