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[Bug middle-end/40281] [4.4 Regression] -fprefetch-loop-arrays: ICE: in initialize_matrix_A, at tree-data-ref.c:1887
- From: "spop at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 13 Jan 2010 07:59:04 -0000
- Subject: [Bug middle-end/40281] [4.4 Regression] -fprefetch-loop-arrays: ICE: in initialize_matrix_A, at tree-data-ref.c:1887
- References: <bug-40281-6642@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #13 from spop at gcc dot gnu dot org 2010-01-13 07:59 -------
Subject: Bug 40281
Author: spop
Date: Wed Jan 13 07:58:50 2010
New Revision: 155851
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=155851
Log:
2010-01-13 Sebastian Pop <sebastian.pop@amd.com>
PR middle-end/40281
* tree-scalar-evolution.c (instantiate_scev_1): Base and stride
evolutions should not variate in inner loops.
* gcc.dg/graphite/pr40281.c: New.
Added:
branches/gcc-4_4-branch/gcc/testsuite/gcc.dg/graphite/pr40281.c
Modified:
branches/gcc-4_4-branch/gcc/ChangeLog
branches/gcc-4_4-branch/gcc/testsuite/ChangeLog
branches/gcc-4_4-branch/gcc/tree-scalar-evolution.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40281