fold-const.c (fold_convert): Make function extern/public.

	* fold-const.c (fold_convert): Make function extern/public.
	* tree.h (fold_convert): Prototype here.
	* builtins.c (expand_builtin_strstr, expand_builtin_strchr,
	expand_builtin_strrchr, expand_builtin_strpbrk,
	expand_builtin_mempcpy, expand_builtin_bcopy,
	expand_builtin_bzero, expand_builtin_memcmp,
	expand_builtin_strcmp, expand_builtin_strncmp,
	stabilize_va_list, expand_builtin_sprintf,
	fold_trunc_transparent_mathfn, fold_builtin_logarithm,
	fold_builtin_exponent, fold_builtin_mempcpy,
	fold_builtin_strcpy, fold_builtin_strcmp, fold_builtin_strncmp,
	fold_builtin_signbit, fold_builtin_isdigit, fold_builtin): Prefer
	fold_convert to "convert" or "fold (build1 (NOP_EXPR, ...))".

From-SVN: r80878

gcc/ChangeLog

+2004-04-19  Roger Sayle  <roger@eyesopen.com>
+
+	* fold-const.c (fold_convert): Make function extern/public.
+	* tree.h (fold_convert): Prototype here.
+	* builtins.c (expand_builtin_strstr, expand_builtin_strchr,
+	expand_builtin_strrchr, expand_builtin_strpbrk,
+	expand_builtin_mempcpy, expand_builtin_bcopy,
+	expand_builtin_bzero, expand_builtin_memcmp,
+	expand_builtin_strcmp, expand_builtin_strncmp,
+	stabilize_va_list, expand_builtin_sprintf,
+	fold_trunc_transparent_mathfn, fold_builtin_logarithm,
+	fold_builtin_exponent, fold_builtin_mempcpy,
+	fold_builtin_strcpy, fold_builtin_strcmp, fold_builtin_strncmp,
+	fold_builtin_signbit, fold_builtin_isdigit, fold_builtin): Prefer
+	fold_convert to "convert" or "fold (build1 (NOP_EXPR, ...))".
+
 2004-04-19  Aldy Hernandez  <aldyh@redhat.com>
 
         * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): New constant.

gcc/fold-const.c

@@ -70,7 +70,6 @@ static tree const_binop (enum tree_code, tree, tree, int);
 static hashval_t size_htab_hash (const void *);
 static int size_htab_eq (const void *, const void *);
 static tree fold_convert_const (enum tree_code, tree, tree);
-static tree fold_convert (tree, tree);
 static enum tree_code invert_tree_comparison (enum tree_code);
 static enum tree_code swap_tree_comparison (enum tree_code);
 static int comparison_to_compcode (enum tree_code);
@@ -1875,7 +1874,7 @@ fold_convert_const (enum tree_code code, tree type, tree arg1)
 /* Convert expression ARG to type TYPE.  Used by the middle-end for
    simple conversions in preference to calling the front-end's convert.  */
 
-static tree
+tree
 fold_convert (tree type, tree arg)
 {
   tree orig = TREE_TYPE (arg);

gcc/tree.h

@@ -2940,6 +2940,7 @@ extern void using_eh_for_cleanups (void);
 
 extern tree fold (tree);
 extern tree fold_initializer (tree);
+extern tree fold_convert (tree, tree);
 extern tree fold_single_bit_test (enum tree_code, tree, tree, tree);
 
 extern int force_fit_type (tree, int);