r141645 - in /branches/gcc-4_3-branch/gcc: Chan...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Thu Nov  6 15:05:44 2008
New Revision: 141645

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=141645
Log:
2008-11-06  Richard Guenther  <rguenther@suse.de>
 
 	Backport from mainline:
 	2008-09-13  H.J. Lu  <hongjiu.lu@intel.com>
 
 	PR rtl-optimization/37489
 	* cse.c (fold_rtx): Don't return const_true_rtx for float
 	compare if FLOAT_STORE_FLAG_VALUE is undefined.

 	* g++.dg/opt/cse3.C: New testcase.
	* gcc.dg/torture/pr37969.c: New testcase.

Added:
    branches/gcc-4_3-branch/gcc/testsuite/g++.dg/opt/cse3.C
    branches/gcc-4_3-branch/gcc/testsuite/gcc.dg/torture/pr37969.c
Modified:
    branches/gcc-4_3-branch/gcc/ChangeLog
    branches/gcc-4_3-branch/gcc/cse.c
    branches/gcc-4_3-branch/gcc/testsuite/ChangeLog