[Bug tree-optimization/14490] [tree-ssa] Simplify "a - 10 > 150" into "a > 160"

[cvs-commit at gcc dot gnu dot org]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2005-07-02 16:25 -------
Subject: Bug 14490

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	pinskia@gcc.gnu.org	2005-07-02 16:24:31

Modified files:
	gcc            : ChangeLog fold-const.c 
Added files:
	gcc/testsuite/gcc.dg: 20050702-1.c 
	gcc/testsuite/gcc.dg/tree-ssa: pr14490-1.c pr14490-2.c 
	                               pr14490-3.c pr14490-4.c 

Log message:
	2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
	
	PR middle-end/14490
	* fold-const.c (fold_binary): Handle the return value of
	fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
	Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.9317&r2=2.9318
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/fold-const.c.diff?cvsroot=gcc&r1=1.599&r2=1.600
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/20050702-1.c.diff?cvsroot=gcc&r1=NONE&r2=1.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/tree-ssa/pr14490-1.c.diff?cvsroot=gcc&r1=NONE&r2=1.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/tree-ssa/pr14490-2.c.diff?cvsroot=gcc&r1=NONE&r2=1.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/tree-ssa/pr14490-3.c.diff?cvsroot=gcc&r1=NONE&r2=1.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/tree-ssa/pr14490-4.c.diff?cvsroot=gcc&r1=NONE&r2=1.1



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14490