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diff gcc/config/ia64/constraints.md @ 67:f6334be47118

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update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
author nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
date Tue, 22 Mar 2011 17:18:12 +0900
parents a06113de4d67
children 04ced10e8804
line wrap: on
line diff
--- a/gcc/config/ia64/constraints.md	Tue May 25 18:58:51 2010 +0900
+++ b/gcc/config/ia64/constraints.md	Tue Mar 22 17:18:12 2011 +0900
@@ -1,5 +1,5 @@
 ;; Constraint definitions for IA-64
-;; Copyright (C) 2006, 2007, 2008 Free Software Foundation, Inc.
+;; Copyright (C) 2006, 2007, 2008, 2010 Free Software Foundation, Inc.
 ;;
 ;; This file is part of GCC.
 ;;
@@ -95,6 +95,13 @@
   (and (match_code "const_double")
        (match_test "op == CONST0_RTX (mode) || op == CONST1_RTX (mode)")))
 
+(define_constraint "Z"
+  "1.0 or (0.0 and !flag_signed_zeros)"
+  (and (match_code "const_double")
+       (ior (match_test "op == CONST1_RTX (mode)")
+	    (and (match_test "op == CONST0_RTX (mode)")
+		 (match_test "!flag_signed_zeros")))))
+
 (define_constraint "H"
   "0.0"
   (and (match_code "const_double")