r116080 - in /branches/gcc-4_1-branch/gcc: Chan...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Fri Aug 11 07:52:01 2006
New Revision: 116080

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=116080
Log:
2006-08-11  Richard Guenther  <rguenther@suse.de>

	PR middle-end/28651
	* simplify-rtx.c (simplify_const_relational_operation):
	Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
	codes.

	* gcc.c-torture/execute/pr28651.c: New testcase.

Added:
    branches/gcc-4_1-branch/gcc/testsuite/gcc.c-torture/execute/pr28651.c
      - copied unchanged from r116079, trunk/gcc/testsuite/gcc.c-torture/execute/pr28651.c
Modified:
    branches/gcc-4_1-branch/gcc/ChangeLog
    branches/gcc-4_1-branch/gcc/simplify-rtx.c
    branches/gcc-4_1-branch/gcc/testsuite/ChangeLog