Disable the Maverick's cmpdi instruction which cannot perform the simultaneous
signed/unsigned comparison expected by GCC.

Index: gcc-4.2.4/gcc/config/arm/arm.md
===================================================================
--- gcc-4.2.4.orig/gcc/config/arm/arm.md	2007-09-01 16:28:30.000000000 +0100
+++ gcc-4.2.4/gcc/config/arm/arm.md	2009-08-09 15:45:18.000000000 +0100
@@ -6981,10 +6981,12 @@
 )
 
 ;; Cirrus DI compare instruction
+;; This is disabled and left go through ARM core registers, because currently
+;; Crunch coprocessor does only signed comparison.
 (define_expand "cmpdi"
   [(match_operand:DI 0 "cirrus_fp_register" "")
    (match_operand:DI 1 "cirrus_fp_register" "")]
-  "TARGET_ARM && TARGET_HARD_FLOAT && TARGET_MAVERICK"
+  "TARGET_ARM && TARGET_HARD_FLOAT && TARGET_MAVERICK & 0"
   "{
      arm_compare_op0 = operands[0];
      arm_compare_op1 = operands[1];
@@ -6995,7 +6997,7 @@
   [(set (reg:CC CC_REGNUM)
 	(compare:CC (match_operand:DI 0 "cirrus_fp_register" "v")
 		    (match_operand:DI 1 "cirrus_fp_register" "v")))]
-  "TARGET_ARM && TARGET_HARD_FLOAT && TARGET_MAVERICK"
+  "TARGET_ARM && TARGET_HARD_FLOAT && TARGET_MAVERICK & 0"
   "cfcmp64%?\\tr15, %V0, %V1"
   [(set_attr "type"   "mav_farith")
    (set_attr "cirrus" "compare")]