[Bug optimization/12941] [tree-ssa] builtin-bitops-1.c miscompilation

[cvs-commit at gcc dot gnu dot org]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2004-01-23 20:27 -------
Subject: Bug 12941

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	tree-ssa-20020619-branch
Changes by:	rth@gcc.gnu.org	2004-01-23 20:27:39

Modified files:
	gcc            : ChangeLog.tree-ssa combine.c 

Log message:
	PR opt/12941
	* combine.c (SHIFT_COUNT_TRUNCATED): Provide default value.
	(simplify_comparison): Don't simplify (eq (zero_extract c 1 r) 0)
	if SHIFT_COUNT_TRUNCATED is set.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.tree-ssa.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.1.2.1125&r2=1.1.2.1126
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/combine.c.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.299.2.32&r2=1.299.2.33



-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12941