r155832 - in /branches/gcc-4_4-branch/gcc: Chan...

[jakub@gcc.gnu.org]

Author: jakub
Date: Tue Jan 12 09:47:07 2010
New Revision: 155832

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=155832
Log:
	PR debug/42662
	* simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
	sharing when canonicalizing ({lt,ge}u (plus a b) b).

	* gcc.dg/pr42662.c: New test.

Added:
    branches/gcc-4_4-branch/gcc/testsuite/gcc.dg/pr42662.c
Modified:
    branches/gcc-4_4-branch/gcc/ChangeLog
    branches/gcc-4_4-branch/gcc/simplify-rtx.c
    branches/gcc-4_4-branch/gcc/testsuite/ChangeLog