[Bug rtl-optimization/18928] [4.0 regression] ice on valid code with -O2 -fPIC

[cvs-commit at gcc dot gnu dot org]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2004-12-13 23:50 -------
Subject: Bug 18928

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	sayle@gcc.gnu.org	2004-12-13 23:49:29

Modified files:
	gcc            : ChangeLog simplify-rtx.c 
	gcc/testsuite  : ChangeLog 
Added files:
	gcc/testsuite/gcc.dg: pr18928-1.c 

Log message:
	PR rtl-optimization/18928
	* simplify_rtx.c (plus_minus_operand_p): New function to encode
	the test for suitable operands for calls to simplify_plus_minus.
	Only allow (CONST (PLUS x y)) if both x and y are CONSTANT_P.
	(simplify_binary_operation): Use plus_minus_operand_p.
	
	* gcc.dg/pr18928-1.c: New test case.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.6816&r2=2.6817
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/simplify-rtx.c.diff?cvsroot=gcc&r1=1.214&r2=1.215
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.4744&r2=1.4745
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/pr18928-1.c.diff?cvsroot=gcc&r1=NONE&r2=1.1



-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18928