[Bug tree-optimization/48149] Piecewise complex pass-through not optimized
rguenth at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Tue Sep 6 14:36:00 GMT 2011
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48149
--- Comment #3 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-09-06 14:36:06 UTC ---
Author: rguenth
Date: Tue Sep 6 14:36:00 2011
New Revision: 178597
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=178597
Log:
2011-09-06 Richard Guenther <rguenther@suse.de>
PR tree-optimization/48149
* tree-ssa-sccvn.c (vn_get_expr_for): Simplify. Fix tuplification bug.
(vn_valueize): Move earlier.
(valueize_expr): Use vn_valueize.
(simplify_binary_expression): Simplify, also combine COMPLEX_EXPR
operands.
(simplify_unary_expression): Simplify.
* gcc.dg/tree-ssa/ssa-fre-32.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-32.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-sccvn.c
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