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r190561 - in /trunk/gcc: ChangeLog fold-const.c...
- From: glisse at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Tue, 21 Aug 2012 13:27:02 -0000
- Subject: r190561 - in /trunk/gcc: ChangeLog fold-const.c...
Author: glisse
Date: Tue Aug 21 13:27:00 2012
New Revision: 190561
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=190561
Log:
2012-08-21 Marc Glisse <marc.glisse@inria.fr>
gcc/
* fold-const.c (fold_ternary_loc): Detect identity permutations.
Canonicalize permutations more.
* tree-ssa-forwprop.c (is_combined_permutation_identity): New function.
(simplify_permutation): Likewise.
(ssa_forward_propagate_and_combine): Call it.
gcc/testsuite/
* gcc.dg/tree-ssa/forwprop-19.c: New testcase.
* gcc.dg/fold-perm.c: Likewise.
Added:
trunk/gcc/testsuite/gcc.dg/fold-perm.c (with props)
trunk/gcc/testsuite/gcc.dg/tree-ssa/forwprop-19.c (with props)
Modified:
trunk/gcc/ChangeLog
trunk/gcc/fold-const.c
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-forwprop.c
Propchange: trunk/gcc/testsuite/gcc.dg/fold-perm.c
('svn:eol-style' added)
Propchange: trunk/gcc/testsuite/gcc.dg/fold-perm.c
('svn:keywords' added)
Propchange: trunk/gcc/testsuite/gcc.dg/tree-ssa/forwprop-19.c
('svn:eol-style' added)
Propchange: trunk/gcc/testsuite/gcc.dg/tree-ssa/forwprop-19.c
('svn:keywords' added)