alias.c (component_uses_parent_alias_set): Constify.

	* alias.c (component_uses_parent_alias_set): Constify.
	* alias.h (component_uses_parent_alias_set): Likewise.
	* cfgrtl.c (print_rtl_with_bb): Likewise.
	* double-int.c (tree_to_double_int, double_int_fits_to_tree_p,
	mpz_get_double_int): Likewise.
	* double-int.h (double_int_fits_to_tree_p, tree_to_double_int,
	mpz_get_double_int): Likewise.
	* expr.c (is_aligning_offset, undefined_operand_subword_p,
	mostly_zeros_p, all_zeros_p, safe_from_p, is_aligning_offset):
	Likewise.
	* expr.h (safe_from_p): Likewise.
	* gimple-low.c (try_catch_may_fallthru, block_may_fallthru):
	Likewise.
	* gimplify.c (should_carry_locus_p, zero_sized_field_decl,
	zero_sized_type, goa_lhs_expr_p): Likewise.
	* omp-low.c (is_variable_sized, use_pointer_for_field): Likewise.
	* rtl.h (print_rtl_with_bb): Likewise.
	* sched-vis.c (print_exp, print_value, print_pattern): Likewise.
	* tree-cfg.c (const_first_stmt, const_last_stmt): New.
	* tree-flow-inline.h (bb_stmt_list): Constify.
	(cbsi_start, cbsi_last, cbsi_end_p, cbsi_next, cbsi_prev,
	cbsi_stmt): New.
	* tree-flow.h (const_block_stmt_iterator, cbsi_start, cbsi_last,
	const_first_stmt, const_last_stmt): New.
	(block_may_fallthru, empty_block_p): Constify.
	* tree-iterator.c (EXPR_FIRST_BODY, EXPR_LAST_BODY,
	EXPR_ONLY_BODY): New.
	(expr_first, expr_last, expr_only): Use macro for body.
	(const_expr_first, const_expr_last, const_expr_only): New.
	* tree-iterator.h (const_tree_stmt_iterator, ctsi_start,
	ctsi_last, ctsi_end_p, ctsi_one_before_end_p, ctsi_next,
	ctsi_prev, ctsi_stmt): New.
	* tree-scalar-evolution.c (get_loop_exit_condition): Constify.
	* tree-scalar-evolution.h (get_loop_exit_condition): Likewise.
	* tree-ssa-loop-niter.c (loop_only_exit_p,
	derive_constant_upper_bound): Likewise.
	* tree-ssa-phiopt.c (empty_block_p): Likewise.
	* tree-ssa-threadupdate.c (redirection_block_p): Likewise.
	* tree-vectorizer.c (slpeel_can_duplicate_loop_p): Likewise.
	* tree-vectorizer.h (slpeel_can_duplicate_loop_p): Likewise.
	* tree-vrp.c (vrp_bitmap_equal_p): Likewise.
	* tree.c (get_type_static_bounds): Likewise.
	* tree.h (const_expr_first, const_expr_last, const_expr_only): New.
	(get_type_static_bounds): Constify.

From-SVN: r127483

1 files changed, 4 insertions, 4 deletions

diff --git a/gcc/gimplify.c b/gcc/gimplify.c
index 15c9b91..cea7991 100644
--- a/gcc/gimplify.c
+++ b/gcc/gimplify.c
@@ -761,7 +761,7 @@ gimple_add_tmp_var (tree tmp)
 /* Determines whether to assign a locus to the statement STMT.  */
 
 static bool
-should_carry_locus_p (tree stmt)
+should_carry_locus_p (const_tree stmt)
 {
   /* Don't emit a line note for a label.  We particularly don't want to
      emit one for the break label, since it doesn't actually correspond
@@ -2891,7 +2891,7 @@ gimplify_init_ctor_eval_range (tree object, tree lower, tree upper,
 /* Return true if FDECL is accessing a field that is zero sized.  */
    
 static bool
-zero_sized_field_decl (tree fdecl)
+zero_sized_field_decl (const_tree fdecl)
 {
   if (TREE_CODE (fdecl) == FIELD_DECL && DECL_SIZE (fdecl) 
       && integer_zerop (DECL_SIZE (fdecl)))
@@ -2902,7 +2902,7 @@ zero_sized_field_decl (tree fdecl)
 /* Return true if TYPE is zero sized.  */
    
 static bool
-zero_sized_type (tree type)
+zero_sized_type (const_tree type)
 {
   if (AGGREGATE_TYPE_P (type) && TYPE_SIZE (type)
       && integer_zerop (TYPE_SIZE (type)))
@@ -5181,7 +5181,7 @@ gimplify_omp_workshare (tree *expr_p, tree *pre_p)
    EXPR is this stabilized form.  */
 
 static bool
-goa_lhs_expr_p (tree expr, tree addr)
+goa_lhs_expr_p (const_tree expr, const_tree addr)
 {
   /* Also include casts to other type variants.  The C front end is fond
      of adding these for e.g. volatile variables.  This is like