gcc/gcc ChangeLog.tree-ssa tree.h fold-const.c ...

[law@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	tree-ssa-20020619-branch
Changes by:	law@gcc.gnu.org	2003-02-19 21:17:24

Modified files:
	gcc            : ChangeLog.tree-ssa tree.h fold-const.c 
	                 tree-ssa-ccp.c 

Log message:
	* fold-const.c (fold_negate_const): New function.  Broken out of
	the generic fold code.
	(fold_abs_const, fold_relational_const): Likewise.
	(fold_relational_hi_lo): Likewise.
	(nondestructive_fold_unary, nondestructive_fold_binary): Likewise.
	(fold): Use fold_negate_const, fold_abs_const, fold_relational_const,
	and fold_relational_hi_lo.
	* tree.h (nondestructive_fold_unary): Declare.
	(nondestructive_fold_binary): Declare.
	* tree-ssa-ccp.c (ccp_fold): New function.
	(add_control_edge): Fix trivial formatting bug.
	(evaluate_stmt): Rework to use ccp_fold instead of copying
	statements.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.tree-ssa.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.1.2.238&r2=1.1.2.239
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree.h.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.342.2.46&r2=1.342.2.47
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/fold-const.c.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.213.2.20&r2=1.213.2.21
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-ccp.c.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.1.2.53&r2=1.1.2.54