[Bug optimization/11700] [3.3/3.4 regression] [M68K] ICE in subreg_hard_regno

[cvs-commit at gcc dot gnu dot org]

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11700



------- Additional Comments From cvs-commit at gcc dot gnu dot org  2003-09-04 01:53 -------
Subject: Bug 11700

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	sayle@gcc.gnu.org	2003-09-04 01:53:01

Modified files:
	gcc            : ChangeLog simplify-rtx.c 
	gcc/testsuite  : ChangeLog 
Added files:
	gcc/testsuite/gcc.c-torture/compile: 20030903-1.c 

Log message:
	PR optimization/11700.
	* simplify-rtx.c (simplify_subreg): Check that the subreg offset
	of a hard register is representable before trying to simplify it
	using subreg_hard_regno.
	
	* gcc.c-torture/compile/20030903-1.c: New test case.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.957&r2=2.958
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/simplify-rtx.c.diff?cvsroot=gcc&r1=1.156&r2=1.157
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.3020&r2=1.3021
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.c-torture/compile/20030903-1.c.diff?cvsroot=gcc&r1=NONE&r2=1.1