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

[cvs-commit at gcc dot gnu dot org]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2005-09-11 23:22 -------
Subject: Bug 23098

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	dje@gcc.gnu.org	2005-09-11 23:22:11

Modified files:
	gcc            : ChangeLog 
	gcc/config/rs6000: predicates.md rs6000.md rs6000.c altivec.md 

Log message:
	PR rtl-optimization/23098
	* config/rs6000/predicates.md (easy_fp_constant): SFmode constant
	0.0f is easy.
	* config/rs6000/rs6000.md (movdf splitter): Use
	const_double_operand predicate for TARGET_POWERPC64.
	* config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
	SYMBOL_REF method to ABI_V4.
	
	* config/rs6000/altivec.md (build_vector_mask_for_load): Use
	replace_equiv_address.
	* config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
	rs6000_sr_alias_set and MEM_NOTRAP.
	(rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.9933&r2=2.9934
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/rs6000/predicates.md.diff?cvsroot=gcc&r1=1.25&r2=1.26
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/rs6000/rs6000.md.diff?cvsroot=gcc&r1=1.406&r2=1.407
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/rs6000/rs6000.c.diff?cvsroot=gcc&r1=1.866&r2=1.867
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/rs6000/altivec.md.diff?cvsroot=gcc&r1=1.44&r2=1.45



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