value-prof.c (tree_stringops_transform): New.

	* value-prof.c (tree_stringops_transform): New.
	(tree_value_profile_transformations): Require count to be non-zero;
	call stringop transform; reset stmt BSI after BB changed.
	(tree_divmod_fixed_value, tree_mod_pow2): Don't emit unnecesary label.
	(interesting_stringop_to_profile_p, tree_stringop_fixed_value): New.
	(tree_stringops_values_to_profile): New.
	(tree_values_to_profile): Call tree_stringops_values_to_profile.
	* tree.h (build_string_literal): Tidy prototype.
	(validate_arglist, builtin_memset_read_str, get_pointer_alignment):
	Declare.
	* builtins.c (validate_arglist, builtin_memset_read_str,
	get_pointer_alignment): Export.

From-SVN: r119735

gcc/ChangeLog

+2006-12-11  Jan Hubicka  <jh@suse.cz>
+
+	* value-prof.c (tree_stringops_transform): New.
+	(tree_value_profile_transformations): Require count to be non-zero;
+	call stringop transform; reset stmt BSI after BB changed.
+	(tree_divmod_fixed_value, tree_mod_pow2): Don't emit unnecesary label.
+	(interesting_stringop_to_profile_p, tree_stringop_fixed_value): New.
+	(tree_stringops_values_to_profile): New.
+	(tree_values_to_profile): Call tree_stringops_values_to_profile.
+	* tree.h (build_string_literal): Tidy prototype.
+	(validate_arglist, builtin_memset_read_str, get_pointer_alignment):
+	Declare.
+	* builtins.c (validate_arglist, builtin_memset_read_str,
+	get_pointer_alignment): Export.
+
 2006-12-11  Uros Bizjak  <ubizjak@gmail.com>
 
 	PR target/30120

gcc/builtins.c

@@ -72,7 +72,6 @@ tree built_in_decls[(int) END_BUILTINS];
    required to implement the function call in all cases).  */
 tree implicit_built_in_decls[(int) END_BUILTINS];
 
-static int get_pointer_alignment (tree, unsigned int);
 static const char *c_getstr (tree);
 static rtx c_readstr (const char *, enum machine_mode);
 static int target_char_cast (tree, char *);
@@ -118,7 +117,6 @@ static rtx expand_builtin_strcpy (tree, tree, rtx, enum machine_mode);
 static rtx expand_builtin_stpcpy (tree, rtx, enum machine_mode);
 static rtx builtin_strncpy_read_str (void *, HOST_WIDE_INT, enum machine_mode);
 static rtx expand_builtin_strncpy (tree, rtx, enum machine_mode);
-static rtx builtin_memset_read_str (void *, HOST_WIDE_INT, enum machine_mode);
 static rtx builtin_memset_gen_str (void *, HOST_WIDE_INT, enum machine_mode);
 static rtx expand_builtin_memset (tree, rtx, enum machine_mode, tree);
 static rtx expand_builtin_bzero (tree);
@@ -141,7 +139,6 @@ static tree fold_builtin_classify_type (tree);
 static tree fold_builtin_strlen (tree);
 static tree fold_builtin_inf (tree, int);
 static tree fold_builtin_nan (tree, tree, int);
-static int validate_arglist (tree, ...);
 static bool integer_valued_real_p (tree);
 static tree fold_trunc_transparent_mathfn (tree, tree);
 static bool readonly_data_expr (tree);
@@ -235,7 +232,7 @@ static bool called_as_built_in (tree node)
    Otherwise, look at the expression to see if we can do better, i.e., if the
    expression is actually pointing at an object whose alignment is tighter.  */
 
-static int
+int
 get_pointer_alignment (tree exp, unsigned int max_align)
 {
   unsigned int align, inner;
@@ -3486,7 +3483,7 @@ expand_builtin_strncpy (tree exp, rtx target, enum machine_mode mode)
    bytes from constant string DATA + OFFSET and return it as target
    constant.  */
 
-static rtx
+rtx
 builtin_memset_read_str (void *data, HOST_WIDE_INT offset ATTRIBUTE_UNUSED,
 			 enum machine_mode mode)
 {
@@ -9503,7 +9500,7 @@ build_function_call_expr (tree fn, tree arglist)
    of tree_codes.  If the last specifier is a 0, that represents an
    ellipses, otherwise the last specifier must be a VOID_TYPE.  */
 
-static int
+int
 validate_arglist (tree arglist, ...)
 {
   enum tree_code code;

gcc/testsuite/ChangeLog

+2006-12-11  Jan Hubicka  <jh@suse.cz>
+
+	* gcc.dg/tree-prof/stringop-1.c: New test.
+	* gcc.dg/tree-prof/stringop-2.c: New test.
+
 2006-12-11  Uros Bizjak  <ubizjak@gmail.com>
 
 	PR target/30120

gcc/testsuite/gcc.dg/tree-prof/stringop-1.c

+/* { dg-options "-O2 -fdump-tree-optimized -fdump-tree-tree_profile" } */
+int a[1000];
+int b[1000];
+int size=1;
+int max=10000;
+main()
+{
+  int i;
+  for (i=0;i<max; i++)
+    {
+      __builtin_memcpy (a, b, size * sizeof (a[0]));
+      asm("");
+    }
+   return 0;
+}
+/* { dg-final-use { scan-tree-dump "Single value 4 stringop" "tree_profile"} } */
+/* Really this ought to simplify into assignment, but we are not there yet.  */
+/* { dg-final-use { scan-tree-dump "memcpy.*4\\)" "optimized"} } */
+/* { dg-final-use { cleanup-tree-dump "optimized" } } */
+/* { dg-final-use { cleanup-tree-dump "tree_profile" } } */

gcc/testsuite/gcc.dg/tree-prof/stringop-2.c

+/* { dg-options "-O2 -fdump-tree-optimized -fdump-tree-tree_profile" } */
+int a[1000];
+int b[1000];
+int size=1;
+int max=10000;
+main()
+{
+  int i;
+  for (i=0;i<max; i++)
+    {
+      __builtin_memset (a, 10, size * sizeof (a[0]));
+      asm("");
+    }
+   return 0;
+}
+/* { dg-final-use { scan-tree-dump "Single value 4 stringop" "tree_profile"} } */
+/* Really this ought to simplify into assignment, but we are not there yet.  */
+/* { dg-final-use { scan-tree-dump "memset.*4\\)" "optimized"} } */
+/* { dg-final-use { cleanup-tree-dump "optimized" } } */
+/* { dg-final-use { cleanup-tree-dump "tree_profile" } } */

gcc/tree.h

@@ -4362,7 +4362,10 @@ extern tree strip_float_extensions (tree);
 extern tree c_strlen (tree, int);
 extern tree std_gimplify_va_arg_expr (tree, tree, tree *, tree *);
 extern tree build_va_arg_indirect_ref (tree);
-tree build_string_literal (int, const char *);
+extern tree build_string_literal (int, const char *);
+extern int validate_arglist (tree, ...);
+extern rtx builtin_memset_read_str (void *, HOST_WIDE_INT, enum machine_mode);
+extern int get_pointer_alignment (tree, unsigned int);
 
 /* In convert.c */
 extern tree strip_float_extensions (tree);