(cmpxf*): Allow for (compare (reg:XF) (mem:XF)).

From-SVN: r11383

gcc/config/i386/i386.md

@@ -382,9 +382,9 @@
 (define_insn ""
   [(set (cc0)
 	(match_operator 2 "VOIDmode_compare_op"
-			[(match_operand:XF 0 "register_operand" "f")
-			 (match_operand:XF 1 "register_operand" "f")]))
-   (clobber (match_scratch:HI 3 "=a"))]
+			[(match_operand:XF 0 "nonimmediate_operand" "f,fm")
+			 (match_operand:XF 1 "nonimmediate_operand" "fm,f")]))
+   (clobber (match_scratch:HI 3 "=a,a"))]
   "TARGET_80387
    && (GET_CODE (operands[0]) != MEM || GET_CODE (operands[1]) != MEM)"
   "* return output_float_compare (insn, operands);")
@@ -5605,10 +5605,12 @@ to memory, but better safe than sorry.  */
 
 (define_expand "casesi"
   [(set (match_dup 5)
-	(minus:SI (match_operand:SI 0 "general_operand" "")
+	(match_operand:SI 0 "general_operand" ""))
+   (set (match_dup 6)
+	(minus:SI (match_dup 5)
 		  (match_operand:SI 1 "general_operand" "")))
    (set (cc0)
-	(compare:CC (match_dup 5)
+	(compare:CC (match_dup 6)
 		    (match_operand:SI 2 "general_operand" "")))
    (set (pc)
 	(if_then_else (gtu (cc0)
@@ -5618,14 +5620,15 @@ to memory, but better safe than sorry.  */
    (parallel
     [(set (pc)
 	  (minus:SI (reg:SI 3)
-		    (mem:SI (plus:SI (mult:SI (match_dup 5)
+		    (mem:SI (plus:SI (mult:SI (match_dup 6)
 					      (const_int 4))
 				     (label_ref (match_operand 3 "" ""))))))
-     (clobber (match_scratch:SI 6 ""))])]
+     (clobber (match_scratch:SI 7 ""))])]
   "flag_pic"
   "
 {
   operands[5] = gen_reg_rtx (SImode);
+  operands[6] = gen_reg_rtx (SImode);
   current_function_uses_pic_offset_table = 1;
 }")