r169441 - in /trunk/gcc: ChangeLog testsuite/Ch...

[jakub@gcc.gnu.org]

Author: jakub
Date: Mon Jan 31 16:52:22 2011
New Revision: 169441

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=169441
Log:
	PR tree-optimization/47538
	* tree-ssa-ccp.c (bit_value_binop_1): For uns computation use
	type instead of r1type, except for comparisons.  For right
	shifts and comparisons punt if there are mismatches in
	sizetype vs. non-sizetype types.

	* gcc.c-torture/execute/pr47538.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/execute/pr47538.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-ccp.c