[Bug middle-end/18030] OR is inefficient in 2-bit bitfield

Wed Mar 2 16:05:00 GMT 2005

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2005-03-02 16:05 -------
Subject: Bug 18030

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	kazu@gcc.gnu.org	2005-03-02 16:05:00

Modified files:
	gcc            : ChangeLog expr.c 

Log message:
	PR middle-end/18029 and PR middle-end/18030
	* expr.c (optimize_bitfield_assignment_op): Add a special case
	to handle BIT_IOR_EXPR and BIT_XOR_EXPR.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.7632&r2=2.7633
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/expr.c.diff?cvsroot=gcc&r1=1.778&r2=1.779


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18030