egcs/gcc ChangeLog combine.c emit-rtl.c gcse.c ...

[hubicka@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	egcs
Changes by:	hubicka@gcc.gnu.org	2001-06-04 11:04:37

Modified files:
	gcc            : ChangeLog combine.c emit-rtl.c gcse.c 
	                 integrate.c rtlanal.c sibcall.c simplify-rtx.c 
	gcc/config/i386: i386.c 

Log message:
	* rtlanal.c (operand_preference): Fix preference for objects.
	
	* gcse.c (handle_avail_expr): Be prepared to handle single_set
	parallels.
	
	* combine.c (if_then_else_cond): Use simplify_subreg instead
	of operand_subword.
	* integreate.c (sub_constants): Likewise.
	
	* emit-rtl.c (constant_subword): Deprecate; remove most of code
	and use simplify_gen_subreg.
	
	Mon Jun  4 19:55:23 CEST 2001  Lars Brinkhoff  <lars@nocrew.org>
	
	* sibcall.c (skip_copy_to_return_value): recognize the situation
	when the called function's return value is copied into an
	intermediate pseudo, and then into the calling functions return
	value register.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/ChangeLog.diff?cvsroot=gcc&r1=1.10229&r2=1.10230
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/combine.c.diff?cvsroot=gcc&r1=1.207&r2=1.208
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/emit-rtl.c.diff?cvsroot=gcc&r1=1.178&r2=1.179
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/gcse.c.diff?cvsroot=gcc&r1=1.131&r2=1.132
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/integrate.c.diff?cvsroot=gcc&r1=1.145&r2=1.146
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/rtlanal.c.diff?cvsroot=gcc&r1=1.97&r2=1.98
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/sibcall.c.diff?cvsroot=gcc&r1=1.15&r2=1.16
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/simplify-rtx.c.diff?cvsroot=gcc&r1=1.56&r2=1.57
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/config/i386/i386.c.diff?cvsroot=gcc&r1=1.263&r2=1.264