[Bug target/21716] [3.4/4.0/4.1 Regression] ICE in reg-stack.c's swap_rtx_condition

[cvs-commit at gcc dot gnu dot org]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2005-05-26 08:55 -------
Subject: Bug 21716

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	gcc-4_0-branch
Changes by:	jakub@gcc.gnu.org	2005-05-26 08:55:07

Modified files:
	gcc            : ChangeLog reg-stack.c 

Log message:
	PR target/21716
	* reg-stack.c (swap_rtx_condition): Don't crash if %ax user was not
	found in the basic block and last insn in the basic block is not
	INSN_P.  Remove explicit unspec numbers that are no longer valid
	from comments.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=2.7592.2.263&r2=2.7592.2.264
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/reg-stack.c.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=1.171&r2=1.171.10.1



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21716