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

[sayle@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	sayle@gcc.gnu.org	2004-06-10 13:29:36

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

Log message:
	* fold-const.c (fold_abs_const): Make extern.
	* tree.h (fold_abs_const): Prototype here.
	* builtins.c (fold_builtin_fabs): New function to transform
	fabs, fabsf and fabsl builtins into ABS_EXPR tree nodes.
	(fold_builtin_abs): New function to transform abs, labs, llabs
	and imaxabs builtins into ABS_EXPR tree nodes.
	(expand_builtin): Fall back to a function call for abs, labs,
	llabs and imaxabs builtins that survive constant folding.
	(fold_builtin_1): Call fold_builtin_fabs for FABS, FABSF and
	FABSL, and fold_builtin_abs for ABS, LABS, LLABS and IMAXABS.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.3908&r2=2.3909
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/fold-const.c.diff?cvsroot=gcc&r1=1.391&r2=1.392
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree.h.diff?cvsroot=gcc&r1=1.509&r2=1.510
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/builtins.c.diff?cvsroot=gcc&r1=1.333&r2=1.334