2008-08-29 Richard Guenther <rguenther@suse.de>

	* common.opt (ftree-store-ccp): Mark as preserved for
	backward compatibility.
	* doc/invoke.texi (-ftree-store-ccp): Remove documentation.
	* tree-pass.h (pass_store_ccp): Remove.
	* tree-ssa-propagate.h (struct prop_value_d): Remove mem_ref field.
	(first_vdef): Remove declaration.
	(get_value_loaded_by): Likewise.
	* tree-ssa-ccp.c (do_store_ccp): Remove.
	(get_default_value): Simplify as do_store_ccp is always false
	now.  Do not initialize mem_ref.
	(set_value_varying): Likewise.
	(canonicalize_float_value): Likewise.
	(set_lattice_value): Likewise.
	(likely_value): Likewise.
	(surely_varying_stmt_p): Likewise.
	(ccp_initialize): Likewise.
	(ccp_lattice_meet): Likewise.
	(ccp_visit_phi_node): Likewise.
	(ccp_fold): Likewise.
	(evaluate_stmt): Likewise.
	(visit_assignment): Likewise.
	(ccp_visit_stmt): Likewise.
	(execute_ssa_ccp): Fold into ...
	(do_ssa_ccp): ... this.
	(do_ssa_store_ccp): Remove.
	(gate_store_ccp): Likewise.
	(pass_store_ccp): Likewise.
	* tree-ssa-copy.c (copy_prop_visit_phi_node): Do not
	initialize mem_ref.
	* tree-ssa-propagate.c (first_vdef): Remove.
	(get_value_loaded_by): Likewise.
	(replace_vuses_in): Likewise.
	(substitute_and_fold): Do not call replace_vuses_in.
	* opts.c (decode_options): Do not set flag_tree_store_ccp.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@139764 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 0 insertions, 12 deletions

diff --git a/gcc/tree-ssa-propagate.h b/gcc/tree-ssa-propagate.h
index e472baca7c7..3922f7d7cc5 100644
--- a/gcc/tree-ssa-propagate.h
+++ b/gcc/tree-ssa-propagate.h
@@ -69,16 +69,6 @@ struct prop_value_d {
 
     /* Propagated value.  */
     tree value;
-
-    /* If this value is held in an SSA name for a non-register
-       variable, this field holds the actual memory reference
-       associated with this value.  This field is taken from 
-       the LHS of the assignment that generated the associated SSA
-       name.  However, in the case of PHI nodes, this field is copied
-       from the PHI arguments (assuming that all the arguments have
-       the same memory reference).  See replace_vuses_in for a more
-       detailed description.  */
-    tree mem_ref;
 };
 
 typedef struct prop_value_d prop_value_t;
@@ -128,10 +118,8 @@ bool valid_gimple_rhs_p (tree);
 bool valid_gimple_call_p (tree);
 void move_ssa_defining_stmt_for_defs (gimple, gimple);
 bool update_call_from_tree (gimple_stmt_iterator *, tree);
-tree first_vdef (gimple);
 bool stmt_makes_single_load (gimple);
 bool stmt_makes_single_store (gimple);
-prop_value_t *get_value_loaded_by (gimple, prop_value_t *);
 bool substitute_and_fold (prop_value_t *, bool);
 
 #endif /* _TREE_SSA_PROPAGATE_H  */