[Bug rtl-optimization/23098] [4.1 Regression] store of 0.0 to float

["cvs-commit at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2005-09-06 19:45 -------
Subject: Bug 23098

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	gcc-4_0-branch
Changes by:	jakub@gcc.gnu.org	2005-09-06 19:44:45

Modified files:
	gcc            : ChangeLog cse.c rtl.h simplify-rtx.c 
	gcc/config/i386: i386.md 
	gcc/testsuite  : ChangeLog 
Added files:
	gcc/testsuite/gcc.target/i386: pr23098.c 

Log message:
	PR rtl-optimization/23098
	* cse.c (fold_rtx): Call delegitimize_address target hook.
	* simplify-rtx.c (constant_pool_reference_p): New function.
	* rtl.h (constant_pool_reference_p): New prototype.
	* config/i386/i386.md (pushf split, mov[sdx]f split): Use
	constant_pool_reference_p in condition and
	avoid_constant_pool_reference in preparation statements.
	
	* gcc.target/i386/pr23098.c: New test.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=2.7592.2.413&r2=2.7592.2.414
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cse.c.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=1.345.2.2&r2=1.345.2.3
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/rtl.h.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=1.536&r2=1.536.4.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/simplify-rtx.c.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=1.230.2.7&r2=1.230.2.8
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/i386/i386.md.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=1.618.4.5&r2=1.618.4.6
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=1.5084.2.383&r2=1.5084.2.384
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.target/i386/pr23098.c.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=NONE&r2=1.2.2.1



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23098