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[Bug tree-optimization/58921] [4.9 Regression] ICE with segfault on valid code at -O3 on x86_64-linux-gnu
- 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: Tue, 14 Jan 2014 09:05:22 +0000
- Subject: [Bug tree-optimization/58921] [4.9 Regression] ICE with segfault on valid code at -O3 on x86_64-linux-gnu
- Auto-submitted: auto-generated
- References: <bug-58921-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58921
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Jan 14 09:04:50 2014
New Revision: 206599
URL: http://gcc.gnu.org/viewcvs?rev=206599&root=gcc&view=rev
Log:
2014-01-14 Richard Biener <rguenther@suse.de>
PR tree-optimization/58921
PR tree-optimization/59006
* tree-vect-loop-manip.c (vect_loop_versioning): Remove code
hoisting invariant stmts.
* tree-vect-stmts.c (vectorizable_load): Insert the splat of
invariant loads on the preheader edge if possible.
* gcc.dg/torture/pr58921.c: New testcase.
* gcc.dg/torture/pr59006.c: Likewise.
* gcc.dg/vect/pr58508.c: XFAIL no longer handled cases.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr58921.c
trunk/gcc/testsuite/gcc.dg/torture/pr59006.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/gcc.dg/vect/pr58508.c
trunk/gcc/tree-vect-loop-manip.c
trunk/gcc/tree-vect-stmts.c