rtl.h (tls_referenced_p): Take a const_rtx rather than an rtx.

gcc/
	* rtl.h (tls_referenced_p): Take a const_rtx rather than an rtx.
	* rtlanal.c (tls_referenced_p_1): Delete.
	(tls_referenced_p): Take a const_rtx rather than an rtx.
	Use FOR_EACH_SUBRTX rather than for_each_rtx.

From-SVN: r214658

gcc/ChangeLog

 2014-08-28  Richard Sandiford  <rdsandiford@googlemail.com>
 
+	* rtl.h (tls_referenced_p): Take a const_rtx rather than an rtx.
+	* rtlanal.c (tls_referenced_p_1): Delete.
+	(tls_referenced_p): Take a const_rtx rather than an rtx.
+	Use FOR_EACH_SUBRTX rather than for_each_rtx.
+
+2014-08-28  Richard Sandiford  <rdsandiford@googlemail.com>
+
 	* rtl.h (for_each_inc_dec_fn): Remove special case for -1.
 	(for_each_inc_dec): Take an rtx rather than an rtx *.
 	* cselib.c (cselib_record_autoinc_cb): Update accordingly.

gcc/rtl.h

@@ -2797,7 +2797,7 @@ extern void replace_label_in_insn (rtx_insn *, rtx, rtx, bool);
 extern bool rtx_referenced_p (const_rtx, const_rtx);
 extern bool tablejump_p (const_rtx, rtx *, rtx_jump_table_data **);
 extern int computed_jump_p (const_rtx);
-extern bool tls_referenced_p (rtx);
+extern bool tls_referenced_p (const_rtx);
 
 typedef int (*rtx_function) (rtx *, void *);
 extern int for_each_rtx (rtx *, rtx_function, void *);

gcc/rtlanal.c

@@ -6075,21 +6075,17 @@ get_index_code (const struct address_info *info)
   return SCRATCH;
 }
 
-/* Return 1 if *X is a thread-local symbol.  */
-
-static int
-tls_referenced_p_1 (rtx *x, void *)
-{
-  return GET_CODE (*x) == SYMBOL_REF && SYMBOL_REF_TLS_MODEL (*x) != 0;
-}
-
 /* Return true if X contains a thread-local symbol.  */
 
 bool
-tls_referenced_p (rtx x)
+tls_referenced_p (const_rtx x)
 {
   if (!targetm.have_tls)
     return false;
 
-  return for_each_rtx (&x, &tls_referenced_p_1, 0);
+  subrtx_iterator::array_type array;
+  FOR_EACH_SUBRTX (iter, array, x, NONCONST)
+    if (GET_CODE (*iter) == SYMBOL_REF && SYMBOL_REF_TLS_MODEL (*iter) != 0)
+      return true;
+  return false;
 }