[Bug middle-end/18008] [4.0 Regression] Duplicate mask on bitfield insertion

Wed Jan 26 20:30:00 GMT 2005

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2005-01-26 20:29 -------
Subject: Bug 18008

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	rth@gcc.gnu.org	2005-01-26 20:29:27

Modified files:
	gcc            : ChangeLog combine.c 

Log message:
	PR middle-end/18008
	* combine.c (make_field_assignment): Simplify store to zero_extract
	from a source with an overlapping mask.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.7288&r2=2.7289
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/combine.c.diff?cvsroot=gcc&r1=1.471&r2=1.472


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18008