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r188517 - in /trunk/gcc: ChangeLog tree-vrp.c
- From: rguenth at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Wed, 13 Jun 2012 15:12:03 -0000
- Subject: r188517 - in /trunk/gcc: ChangeLog tree-vrp.c
Author: rguenth
Date: Wed Jun 13 15:12:02 2012
New Revision: 188517
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=188517
Log:
2012-06-13 Richard Guenther <rguenther@suse.de>
* tree-vrp.c (vrp_meet): Properly meet equivalent ranges.
Handle meeting two VR_RANGE to an VR_ANTI_RANGE. Implement
all possible meetings of VR_RANGE with VR_ANTI_RANGE and
VR_ANTI_RANGE with VR_ANTI_RANGE.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/tree-vrp.c