This is the mail archive of the
gcc-cvs@gcc.gnu.org
mailing list for the GCC project.
r113527 - in /trunk/gcc: ChangeLog testsuite/Ch...
- From: rguenth at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Thu, 04 May 2006 13:56:54 -0000
- Subject: r113527 - in /trunk/gcc: ChangeLog testsuite/Ch...
Author: rguenth
Date: Thu May 4 13:56:52 2006
New Revision: 113527
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=113527
Log:
2006-05-04 Richard Guenther <rguenther@suse.de>
PR tree-optimization/14287
PR tree-optimization/14844
PR tree-optimization/19792
PR tree-optimization/21608
PR tree-optimization/27090
* tree-ssa-pre.c (try_combine_conversion): New function.
(compute_avail): After constructing the value-handle
expression, use try_combine_conversion to combine NOP_EXPRs
with previous value-handle expressions and use the result if it
is available.
* gcc.dg/tree-ssa/ssa-fre-1.c: New testcase.
* gcc.dg/tree-ssa/ssa-fre-2.c: Likewise.
* gcc.dg/tree-ssa/ssa-fre-3.c: Likewise.
* gcc.dg/tree-ssa/ssa-fre-4.c: Likewise.
* gcc.dg/tree-ssa/ssa-fre-5.c: Likewise.
Added:
trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-1.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-2.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-3.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-4.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-5.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-pre.c