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[Bug tree-optimization/59100] requesting optimization of safe rotate function
- From: "glisse at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 08 May 2014 13:17:33 +0000
- Subject: [Bug tree-optimization/59100] requesting optimization of safe rotate function
- Auto-submitted: auto-generated
- References: <bug-59100-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59100
--- Comment #5 from Marc Glisse <glisse at gcc dot gnu.org> ---
Author: glisse
Date: Thu May 8 13:17:01 2014
New Revision: 210212
URL: http://gcc.gnu.org/viewcvs?rev=210212&root=gcc&view=rev
Log:
2014-05-08 Marc Glisse <marc.glisse@inria.fr>
PR tree-optimization/59100
gcc/
* tree-ssa-phiopt.c: Include tree-inline.h.
(neutral_element_p, absorbing_element_p): New functions.
(value_replacement): Handle conditional binary operations with a
neutral or absorbing element.
gcc/testsuite/
* gcc.dg/tree-ssa/phi-opt-12.c: New file.
* gcc.dg/tree-ssa/phi-opt-13.c: Likewise.
Added:
trunk/gcc/testsuite/gcc.dg/tree-ssa/phi-opt-12.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/phi-opt-13.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-phiopt.c