[Bug optimization/8178] [3.4 regression] __builtin_ffs broken with -march=k6

[cvs-commit 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  2003-10-18 07:25 -------
Subject: Bug 8178

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	ebotcazou@gcc.gnu.org	2003-10-18 07:25:02

Modified files:
	gcc            : ChangeLog 
	gcc/config/i386: i386.md 

Log message:
	PR optimization/8178
	* config/i386/i386.md (*movsi_zero): New insn to set
	a register to zero on TARGET_USE_MOV0 targets.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.1459&r2=2.1460
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/i386/i386.md.diff?cvsroot=gcc&r1=1.484&r2=1.485