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

[hubicka@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	egcs
Changes by:	hubicka@gcc.gnu.org	2001-03-12 06:18:58

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

Log message:
	* i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
	(MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
	(HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
	(STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
	(PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
	(LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
	(SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
	(PUSH_ROUNDING): x86_64 rounds to 64bits.
	(CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
	(REGPARM_MAX): Set to 6 for x86_64.
	(SSE_REGPARM_MAX): Set to 16 for x86_64.
	* i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
	registers.
	
	* (patterns that does use upper halves): Update constraints
	'q' to 'Q' and 'r' to 'R'.
	(cmpqi_ext_1): Disable for 64bit.
	(cmpqi_ext_3_insn): Likewise.
	(movqi_extzv_1): Likewsie.
	(addqi_ext_1): Liekwsie
	(testqi_ext_1): Liekwsie
	(andqi_ext_1): Liekwsie
	(xorqi_ext_1): Liekwsie
	(cmpqi_ext_1_rex64): New.
	(cmpqi_ext_3_insn_rex64): Likewise.
	(movqi_extzv_1_rex64): Likewsie.
	(addqi_ext_1_rex64): Liekwsie
	(testqi_ext_1_rex64): Liekwsie
	(andqi_ext_1_rex64): Liekwsie
	(xorqi_ext_1_rex64): Liekwsie

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/ChangeLog.diff?cvsroot=gcc&r1=1.9508&r2=1.9509
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/config/i386/i386.c.diff?cvsroot=gcc&r1=1.232&r2=1.233
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/config/i386/i386.h.diff?cvsroot=gcc&r1=1.165&r2=1.166
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/config/i386/i386.md.diff?cvsroot=gcc&r1=1.231&r2=1.232