gcc/gcc ChangeLog.apple-ppc tree-ssa-forwprop. ...

[dpatel@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	apple-ppc-branch
Changes by:	dpatel@gcc.gnu.org	2004-12-12 18:26:13

Modified files:
	gcc            : ChangeLog.apple-ppc tree-ssa-forwprop.c 
	gcc/config/rs6000: rs6000.c 
	gcc/testsuite  : ChangeLog.apple-ppc 
	gcc/testsuite/gcc.dg/vect: vect-ifcvt-2.c vect-ifcvt-3.c 
	                           vect-ifcvt-4.c vect-ifcvt-5.c 
	                           vect-ifcvt-6.c vect-ifcvt-7.c 
Added files:
	gcc/testsuite/gcc.dg/vect: vect-ifcvt-8.c 

Log message:
	Radar 3572046
	
	* tree-ssa-forwprop.c (cast_conversion_assignment_p): New.
	(replace_use_in_cond_expr): New.
	(all_uses_are_replacable): New.
	(eliminate_unnecessary_casts): New.
	(tree_ssa_forward_propagate_single_use_var): Eliminate unnecessary
	casts.
	
	* config/rs6000/rs6000.c (rs6000_emit_vector_select): Adjust
	vector select insn parameters.
	
	* gcc.dg/vect/vect-ifcvt-2.c: Update.
	* gcc.dg/vect/vect-ifcvt-3.c: Update.
	* gcc.dg/vect/vect-ifcvt-4.c: Update.
	* gcc.dg/vect/vect-ifcvt-5.c: Update.
	* gcc.dg/vect/vect-ifcvt-6.c: Update.
	* gcc.dg/vect/vect-ifcvt-7.c: Update.
	* gcc.dg/vect/vect-ifcvt-8.c: New.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.apple-ppc.diff?cvsroot=gcc&only_with_tag=apple-ppc-branch&r1=1.1.2.231&r2=1.1.2.232
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-forwprop.c.diff?cvsroot=gcc&only_with_tag=apple-ppc-branch&r1=1.1.2.6.2.4&r2=1.1.2.6.2.5
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/rs6000/rs6000.c.diff?cvsroot=gcc&only_with_tag=apple-ppc-branch&r1=1.332.2.46.2.81&r2=1.332.2.46.2.82
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.apple-ppc.diff?cvsroot=gcc&only_with_tag=apple-ppc-branch&r1=1.1.2.59&r2=1.1.2.60
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/vect/vect-ifcvt-8.c.diff?cvsroot=gcc&only_with_tag=apple-ppc-branch&r1=NONE&r2=1.1.2.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/vect/vect-ifcvt-2.c.diff?cvsroot=gcc&only_with_tag=apple-ppc-branch&r1=1.1.4.1&r2=1.1.4.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/vect/vect-ifcvt-3.c.diff?cvsroot=gcc&only_with_tag=apple-ppc-branch&r1=1.1.4.1&r2=1.1.4.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/vect/vect-ifcvt-4.c.diff?cvsroot=gcc&only_with_tag=apple-ppc-branch&r1=1.1.4.1&r2=1.1.4.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/vect/vect-ifcvt-5.c.diff?cvsroot=gcc&only_with_tag=apple-ppc-branch&r1=1.1.4.1&r2=1.1.4.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/vect/vect-ifcvt-6.c.diff?cvsroot=gcc&only_with_tag=apple-ppc-branch&r1=1.1.4.1&r2=1.1.4.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/vect/vect-ifcvt-7.c.diff?cvsroot=gcc&only_with_tag=apple-ppc-branch&r1=1.1.4.1&r2=1.1.4.2