dfp.m4: Add support for cygwin x64 target.

        * dfp.m4: Add support for cygwin x64 target.
        * picflag.m4: Likewise.

From-SVN: r197170

config/ChangeLog

+2013-03-27  Kai Tietz  <ktietz@redhat.com>
+
+        * dfp.m4: Add support for cygwin x64 target.
+        * picflag.m4: Likewise.
+
 2013-02-25  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* bootstrap-asan.mk (POSTSTAGE1_LDFLAGS): Add

config/dfp.m4

@@ -23,7 +23,7 @@ Valid choices are 'yes', 'bid', 'dpd', and 'no'.]) ;;
     powerpc*-*-linux* | i?86*-*-linux* | x86_64*-*-linux* | s390*-*-linux* | \
     i?86*-*-gnu* | \
     i?86*-*-mingw* | x86_64*-*-mingw* | \
-    i?86*-*-cygwin*)
+    i?86*-*-cygwin* | x86_64*-*-cygwin*)
       enable_decimal_float=yes
       ;;
     *)

config/picflag.m4

@@ -17,7 +17,9 @@ case "${$2}" in
     hppa*64*-*-hpux*)
 	# PIC is the default for 64-bit PA HP-UX.
 	;;
-    i[[34567]]86-*-cygwin* | i[[34567]]86-*-mingw* | x86_64-*-mingw*)
+    i[[34567]]86-*-cygwin* | x86_64-*-cygwin*)
+	;;
+    i[[34567]]86-*-mingw* | x86_64-*-mingw*)
 	;;
     i[[34567]]86-*-interix[[3-9]]*)
 	# Interix 3.x gcc -fpic/-fPIC options generate broken code.