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r176585 - in /branches/ibm/gcc-4_6-branch/gcc: ...
- From: wschmidt at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Thu, 21 Jul 2011 20:27:18 -0000
- Subject: r176585 - in /branches/ibm/gcc-4_6-branch/gcc: ...
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