r190412 - in /trunk/gcc: ChangeLog gimple-ssa-s...

[wschmidt@gcc.gnu.org]

Author: wschmidt
Date: Wed Aug 15 13:27:29 2012
New Revision: 190412

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=190412
Log:
gcc:

2012-08-15  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR tree-optimization/54245
	* gimple-ssa-strength-reduction.c (legal_cast_p_1): New function.
	(legal_cast_p): Split out logic to legal_cast_p_1.
	(analyze_increments): Avoid introducing multiplies in smaller types.


gcc/testsuite:

2012-08-15  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR tree-optimization/54245
	* gcc.dg/tree-ssa/pr54245.c: New test.


Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr54245.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimple-ssa-strength-reduction.c
    trunk/gcc/testsuite/ChangeLog