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r143980 - in /trunk/gcc: ChangeLog tree-ssa-pre...
- From: bonzini at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Fri, 06 Feb 2009 07:33:06 -0000
- Subject: r143980 - in /trunk/gcc: ChangeLog tree-ssa-pre...
Author: bonzini
Date: Fri Feb 6 07:33:05 2009
New Revision: 143980
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=143980
Log:
2009-02-06 Paolo Bonzini <bonzini@gnu.org>
PR tree-optimization/35659
* tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
vn_phi_eq): Shortcut if hashcode does not match.
(vn_reference_op_compute_hash): Do not call iterative_hash_expr for
NULL operands.
* tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
and avoid iterative_hash_expr.
(FOR_EACH_VALUE_ID_IN_SET): New.
(value_id_compare): Remove.
(sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
sort expressions by value id.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/tree-ssa-pre.c
trunk/gcc/tree-ssa-sccvn.c