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[Bug tree-optimization/59299] We do not sink loads
- 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: Fri, 06 Jun 2014 15:32:19 +0000
- Subject: [Bug tree-optimization/59299] We do not sink loads
- Auto-submitted: auto-generated
- References: <bug-59299-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59299
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Fri Jun 6 15:31:47 2014
New Revision: 211317
URL: http://gcc.gnu.org/viewcvs?rev=211317&root=gcc&view=rev
Log:
2014-06-06 Richard Biener <rguenther@suse.de>
PR tree-optimization/59299
* tree-ssa-sink.c (all_immediate_uses_same_place): Work on
a def operand.
(nearest_common_dominator_of_uses): Likewise.
(statement_sink_location): Adjust. Support sinking loads.
* gcc.dg/tree-ssa/ssa-sink-10.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-sink-10.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-sink.c