Imported Upstream version 4.8.1

[platform/upstream/gcc48.git] / gcc / config / mmix / predicates.md

diff --git a/gcc/config/mmix/predicates.md b/gcc/config/mmix/predicates.md
index b5773b8..4b3447e 100644 (file)
--- a/gcc/config/mmix/predicates.md
+++ b/gcc/config/mmix/predicates.md
@@ -1,5 +1,5 @@
 ;; Operand and operator predicates for the GCC MMIX port.
-;; Copyright (C) 2005, 2007 Free Software Foundation, Inc.
+;; Copyright (C) 2005-2013 Free Software Foundation, Inc.
 
 ;; This file is part of GCC.
 ;;
@@ -118,7 +118,7 @@
        return 1;
       /* Fall through.  */
     default:
-      return address_operand (op, mode);
+      return mmix_address_operand (op, mode);
     }
 })
 
@@ -152,4 +152,23 @@
   (ior
    (match_operand 0 "register_operand")
    (and (match_code "const_int")
-       (match_test "CONST_OK_FOR_LETTER_P (INTVAL (op), 'I')"))))
+       (match_test "satisfies_constraint_I (op)"))))
+
+;; True if this is a memory address, possibly strictly.
+;; See also comment above the "*call_real" pattern.
+
+(define_predicate "mmix_address_operand"
+  (if_then_else (match_test "reload_in_progress || reload_completed")
+    (match_test "strict_memory_address_p (Pmode, op)")
+    (match_test "memory_address_p (Pmode, op)")))
+
+(define_predicate "frame_pointer_operand"
+  (ior
+   (and
+    (match_code "reg")
+    (match_test "op == hard_frame_pointer_rtx || op == frame_pointer_rtx"))
+   (and
+    (match_code "plus")
+    (match_code "reg" "0")
+    (match_code "const_int" "1")
+    (match_test "XEXP (op, 0) == stack_pointer_rtx"))))