[Bug optimization/7871] [3.3/3.4/3.5 regression] ICE on legal code, global register variables problems

Sat Feb 28 02:43:00 GMT 2004

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2004-02-28 02:43 -------
Subject: Bug 7871

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	ian@gcc.gnu.org	2004-02-28 02:43:42

Modified files:
	gcc            : ChangeLog flow.c 

Log message:
	PR optimization/7871
	* flow.c (mark_set_1): Don't add LOG_LINKS for global registers
	from or to call insns.
	(propagate_one_insn): Interpret calls as setting global registers,
	not merely clobbering them.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.2953&r2=2.2954
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/flow.c.diff?cvsroot=gcc&r1=1.581&r2=1.582


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=7871