gcc/gcc ChangeLog tree-ssa-phiopt.c testsuite/ ...

[rakdver@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	rakdver@gcc.gnu.org	2005-03-14 16:26:12

Modified files:
	gcc            : ChangeLog tree-ssa-phiopt.c 
	gcc/testsuite  : ChangeLog 
Added files:
	gcc/testsuite/gcc.dg/tree-ssa: phi-opt-5.c 

Log message:
	* tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
	New functions.
	(tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
	Remove unused removed_phis variable.
	(conditional_replacement): Use build1/build2.
	(abs_replacement): Use last_and_only_stmt and build1/build2.
	
	* gcc.dg/tree-ssa/phi-opt-5.c: New test.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.7844&r2=2.7845
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-phiopt.c.diff?cvsroot=gcc&r1=2.28&r2=2.29
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.5163&r2=1.5164
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/tree-ssa/phi-opt-5.c.diff?cvsroot=gcc&r1=NONE&r2=1.1