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r130527 - in /trunk/gcc: ChangeLog testsuite/Ch...
- From: rakdver at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Fri, 30 Nov 2007 00:32:04 -0000
- Subject: r130527 - in /trunk/gcc: ChangeLog testsuite/Ch...
Author: rakdver
Date: Fri Nov 30 00:32:04 2007
New Revision: 130527
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=130527
Log:
PR tree-optimization/34244
* tree-vrp.c (adjust_range_with_scev): Clear scev cache.
(record_numbers_of_iterations): New function.
(execute_vrp): Cache the numbers of iterations of loops.
* tree-scalar-evolution.c (scev_reset_except_niters):
New function.
(scev_reset): Use scev_reset_except_niters.
* tree-scalar-evolution.h (scev_reset_except_niters): Declare.
* gcc.dg/tree-ssa/pr34244.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/tree-ssa/pr34244.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-scalar-evolution.c
trunk/gcc/tree-scalar-evolution.h
trunk/gcc/tree-vrp.c