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[Bug tree-optimization/79803] [5/6 Regression] ICE in tree_ssa_prefetch_arrays, at tree-ssa-loop-prefetch.c:1982
- From: "marxin at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 22 Mar 2017 12:29:22 +0000
- Subject: [Bug tree-optimization/79803] [5/6 Regression] ICE in tree_ssa_prefetch_arrays, at tree-ssa-loop-prefetch.c:1982
- Auto-submitted: auto-generated
- References: <bug-79803-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79803
--- Comment #7 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Wed Mar 22 12:28:50 2017
New Revision: 246369
URL: https://gcc.gnu.org/viewcvs?rev=246369&root=gcc&view=rev
Log:
Backport r245869
2017-03-22 Martin Liska <mliska@suse.cz>
Backport from mainline
2017-03-03 Martin Liska <mliska@suse.cz>
PR tree-optimization/79803
* tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Remove
assert.
(pass_loop_prefetch::execute): Disabled optimization if an
assumption about L1 cache size is not met.
2017-03-22 Martin Liska <mliska@suse.cz>
Backport from mainline
2017-03-03 Martin Liska <mliska@suse.cz>
PR tree-optimization/79803
* gcc.dg/tree-ssa/pr79803.c: New test.
Added:
branches/gcc-5-branch/gcc/testsuite/gcc.dg/tree-ssa/pr79803.c
Modified:
branches/gcc-5-branch/gcc/ChangeLog
branches/gcc-5-branch/gcc/testsuite/ChangeLog
branches/gcc-5-branch/gcc/tree-ssa-loop-prefetch.c