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[Bug tree-optimization/71261] [7 Regression] Trunk GCC hangs on knl and broadwell targets
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 25 May 2016 11:49:34 +0000
- Subject: [Bug tree-optimization/71261] [7 Regression] Trunk GCC hangs on knl and broadwell targets
- Auto-submitted: auto-generated
- References: <bug-71261-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71261
--- Comment #12 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Wed May 25 11:49:03 2016
New Revision: 236701
URL: https://gcc.gnu.org/viewcvs?rev=236701&root=gcc&view=rev
Log:
2016-05-25 Richard Biener <rguenther@suse.de>
PR tree-optimization/71261
* tree-if-conv.c (ifcvt_split_def_stmt): Walk uses on the
interesting stmt instead of immediate uses when looking
for the use operand to replace.
* c-c++-common/torture/pr71261.c: New testcase.
Added:
trunk/gcc/testsuite/c-c++-common/torture/pr71261.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-if-conv.c