egcs/gcc ChangeLog config/i386/i386.c config/i ...

[hubicka@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	egcs
Branch: 	gcc-3_4-basic-improvements-branch
Changes by:	hubicka@gcc.gnu.org	2002-10-07 16:27:43

Modified files:
	gcc            : ChangeLog 
	gcc/config/i386: i386.c i386.h i386.md 

Log message:
	* i386.c (x86_sse_partial_reg_dependency, x86_sse_partial_regs,
	x86_sse_typeless_stores, x86_sse_load0_by_pxor): New global
	variables.
	(safe_vector_operand): Update sse_clrv4sf call.
	(ix86_expand_buildin): Likewise
	* i386.h (x86_sse_partial_reg_dependency, x86_sse_partial_regs,
	x86_sse_typeless_stores, x86_sse_load0_by_pxor): Declare.
	(TARGET_SSE_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REGS,
	TARGET_SSE_TYPELESS_STORES, TARGET_SSE_TYPELESS_LOAD0): New
	macros.
	* i386.md (movsf*, movdf*, movti, movv4sf, movv2df, movv16qi, movv8hi,
	movv4si):  Obey the new flags.
	(floatsi2sf, floatdi2sf, truncatedf2sf): Emit extra load of 0 to avoid
	reformating penalty.
	(anddf, cmov patterns): Avoid reformating by first converting.
	(sse_cvtsd2ss): Fix predicate.
	(sse2_clrti): Fix mode,
	(sse_clrv4sf): Avoid unspec.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_4-basic-improvements-branch&r1=1.15234.2.43&r2=1.15234.2.44
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/config/i386/i386.c.diff?cvsroot=gcc&only_with_tag=gcc-3_4-basic-improvements-branch&r1=1.447.2.6&r2=1.447.2.7
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/config/i386/i386.h.diff?cvsroot=gcc&only_with_tag=gcc-3_4-basic-improvements-branch&r1=1.280.4.7&r2=1.280.4.8
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/config/i386/i386.md.diff?cvsroot=gcc&only_with_tag=gcc-3_4-basic-improvements-branch&r1=1.380.4.5&r2=1.380.4.6