r176585 - in /branches/ibm/gcc-4_6-branch/gcc: ...

[wschmidt@gcc.gnu.org]

Author: wschmidt
Date: Thu Jul 21 20:27:17 2011
New Revision: 176585

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=176585
Log:
2011-07-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR tree-optimization/49749
	* tree-ssa-reassoc.c (PHI_LOOP_BIAS): New constant.
	(phi_loop_bias): New function.
	(get_rank): Bias rank upward for loop-carried dependencies; fix
	errors in operand scan conditions.
	

Modified:
    branches/ibm/gcc-4_6-branch/gcc/ChangeLog.ibm
    branches/ibm/gcc-4_6-branch/gcc/tree-ssa-reassoc.c