gcc/gcc combine.c simplify-rtx.c ChangeLog

[bonzini@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	bonzini@gcc.gnu.org	2004-05-27 08:29:18

Modified files:
	gcc            : combine.c simplify-rtx.c ChangeLog 

Log message:
	2004-05-25  Paolo Bonzini  <bonzini@gnu.org>
	
	* combine.c (gen_binary): Remove.
	(known_cond, simplify_shift_const
	find_split_point, combine_simplify_rtx,
	simplify_if_then_else, simplify_set,
	simplify_logical, expand_field_assignment,
	extract_left_shift, force_to_mode,
	if_then_else_cond, apply_distributive_law,
	simplify_and_const_int, simplify_shift_const,
	gen_lowpart_for_combine, simplify_comparison,
	reversed_comparison): Replace with
	simplify_gen_binary, simplify_gen_relational or
	distribute_and_simplify_rtx.
	(distribute_and_simplify_rtx): New function.
	* simplify-rtx.c (simplify_binary_operation):
	Use nonzero_bits to simplify ANDs where we are
	turning off bits already known to be off in OP0.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/combine.c.diff?cvsroot=gcc&r1=1.429&r2=1.430
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/simplify-rtx.c.diff?cvsroot=gcc&r1=1.191&r2=1.192
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.3761&r2=2.3762