(plus of gtu patterns): Add case to handle immediates.

From-SVN: r3285

gcc/config/rs6000/rs6000.md

@@ -4442,38 +4442,47 @@
   [(set_attr "type" "compare")])
 
 (define_insn ""
-  [(set (match_operand:SI 0 "gpc_reg_operand" "=r,r")
-	(plus:SI (gtu:SI (match_operand:SI 1 "gpc_reg_operand" "r,r")
-			 (match_operand:SI 2 "reg_or_short_operand" "rI,rI"))
-		 (match_operand:SI 3 "reg_or_short_operand" "r,I")))
-   (clobber (match_scratch:SI 4 "=&r,&r"))]
+  [(set (match_operand:SI 0 "gpc_reg_operand" "=r,r,r")
+	(plus:SI (gtu:SI (match_operand:SI 1 "gpc_reg_operand" "r,r,r")
+			 (match_operand:SI 2 "reg_or_short_operand" "I,r,rI"))
+		 (match_operand:SI 3 "reg_or_short_operand" "r,r,I")))
+   (clobber (match_scratch:SI 4 "=&r,&r,&r"))]
   ""
-  "sf%I2 %4,%1,%2\;sfe %4,%4,%4\;sf%I3 %0,%4,%3")
+  "@
+   ai %4,%1,%k2\;aze %0,%3
+   sf%I2 %4,%1,%2\;sfe %4,%4,%4\;sf%I3 %0,%4,%3
+   sf%I2 %4,%1,%2\;sfe %4,%4,%4\;sf%I3 %0,%4,%3")
 
 (define_insn ""
-  [(set (match_operand:CC 0 "cc_reg_operand" "=x,x")
+  [(set (match_operand:CC 0 "cc_reg_operand" "=x,x,x")
 	(compare:CC
-	 (plus:SI (gtu:SI (match_operand:SI 1 "gpc_reg_operand" "r,r")
-			  (match_operand:SI 2 "reg_or_short_operand" "rI,rI"))
-		  (match_operand:SI 3 "reg_or_short_operand" "r,I"))
+	 (plus:SI (gtu:SI (match_operand:SI 1 "gpc_reg_operand" "r,r,r")
+			  (match_operand:SI 2 "reg_or_short_operand" "I,r,rI"))
+		  (match_operand:SI 3 "reg_or_short_operand" "r,r,I"))
 	 (const_int 0)))
-   (clobber (match_scratch:SI 4 "=&r,&r"))]
+   (clobber (match_scratch:SI 4 "=&r,&r,&r"))]
   ""
-  "sf%I2 %4,%1,%2\;sfe %4,%4,%4\;sf%I3. %4,%4,%3"
+  "@
+   ai %4,%1,%k2\;aze. %0,%3
+   sf%I2 %4,%1,%2\;sfe %4,%4,%4\;sf%I3. %0,%4,%3
+   sf%I2 %4,%1,%2\;sfe %4,%4,%4\;sf%I3. %0,%4,%3"
   [(set_attr "type" "compare")])
 
 (define_insn ""
-  [(set (match_operand:CC 5 "cc_reg_operand" "=x,x")
+  [(set (match_operand:CC 5 "cc_reg_operand" "=x,x,x")
 	(compare:CC
-	 (plus:SI (gtu:SI (match_operand:SI 1 "gpc_reg_operand" "r,r")
-			  (match_operand:SI 2 "reg_or_short_operand" "rI,rI"))
-		  (match_operand:SI 3 "reg_or_short_operand" "r,I"))
+	 (plus:SI (gtu:SI (match_operand:SI 1 "gpc_reg_operand" "r,r,r")
+			  (match_operand:SI 2 "reg_or_short_operand" "I,r,rI"))
+		  (match_operand:SI 3 "reg_or_short_operand" "r,r,I"))
 	 (const_int 0)))
-   (set (match_operand:SI 0 "gpc_reg_operand" "=r,r")
+   (set (match_operand:SI 0 "gpc_reg_operand" "=r,r,r")
 	(plus:SI (gtu:SI (match_dup 1) (match_dup 2)) (match_dup 3)))
-   (clobber (match_scratch:SI 4 "=&r,&r"))]
+   (clobber (match_scratch:SI 4 "=&r,&r,&r"))]
   ""
-  "sf%I2 %4,%1,%2\;sfe %4,%4,%4\;sf%I3. %0,%4,%3"
+  "@
+   ai %4,%1,%k2\;aze. %0,%3
+   sf%I2 %4,%1,%2\;sfe %4,%4,%4\;sf%I3. %0,%4,%3
+   sf%I2 %4,%1,%2\;sfe %4,%4,%4\;sf%I3. %0,%4,%3"
   [(set_attr "type" "compare")])
 
 (define_insn ""