r208483 - in /branches/match-and-simplify/gcc: ...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Tue Mar 11 14:38:06 2014
New Revision: 208483

URL: http://gcc.gnu.org/viewcvs?rev=208483&root=gcc&view=rev
Log:
2014-03-11  Richard Biener  <rguenther@suse.de>

	* tree-ssa-sccvn.h (struct vn_ssa_aux): Remove has_constants
	member.
	* tree-ssa-sccvn.c (vn_get_expr_for): Simplify for legacy PRE use.
	(visit_copy): Do not set or use has_constants or expr.
	(visit_reference_op_call): Likewise.
	(visit_phi): Likewise.
	(visit_use): Likewise.
	(visit_reference_op_load): Simplify result using
	gimple_match_and_simplify.
	(expr_has_constants, stmt_has_constants, valueize_expr,
	simplify_binary_expression, simplify_unary_expression): Remove.
	(try_to_simplify): Do not use gimple_fold_stmt_to_constant_1.

Modified:
    branches/match-and-simplify/gcc/ChangeLog.mas
    branches/match-and-simplify/gcc/tree-ssa-sccvn.c
    branches/match-and-simplify/gcc/tree-ssa-sccvn.h