Prefer float registers for movdf.

From-SVN: r8192

gcc/config/i386/i386.md

@@ -1084,7 +1084,7 @@
     }
 }")
 
-(define_insn "movsf_push386"
+(define_insn "movsf_push_nomove"
   [(set (match_operand:SF 0 "push_operand" "=<,<")
 	(match_operand:SF 1 "general_operand" "gF,f"))]
   "!TARGET_MOVE"
@@ -1323,8 +1323,8 @@
 
 ;; For the purposes of regclass, prefer FLOAT_REGS.
 (define_insn "movdf_normal"
-  [(set (match_operand:DF 0 "general_operand" "=*rfm,*rf,f,!*rm")
-	(match_operand:DF 1 "general_operand" "*rf,*rfm,fG,fF"))]
+  [(set (match_operand:DF 0 "general_operand" "=f,fm,!*rf,!*rm")
+	(match_operand:DF 1 "general_operand" "fmG,f,*rfm,*rfF"))]
   "(!TARGET_MOVE || GET_CODE (operands[0]) != MEM) || (GET_CODE (operands[1]) != MEM)"
   "*
 {