re PR target/22068 (Multiply-immediate opportunity)

        PR target/22068
        * config/rs6000/rs6000.md (muldi3): Add mulli alternative.

From-SVN: r104255

gcc/ChangeLog

+2005-09-14  David Edelsohn  <edelsohn@gnu.org>
+
+	PR target/22068
+	* config/rs6000/rs6000.md (muldi3): Add mulli alternative.
+
 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
 
 	* config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name

gcc/config/rs6000/rs6000.md

@@ -5825,12 +5825,19 @@
   "")
 
 (define_insn "muldi3"
-  [(set (match_operand:DI 0 "gpc_reg_operand" "=r")
-	(mult:DI (match_operand:DI 1 "gpc_reg_operand" "%r")
-		 (match_operand:DI 2 "gpc_reg_operand" "r")))]
+  [(set (match_operand:DI 0 "gpc_reg_operand" "=r,r")
+        (mult:DI (match_operand:DI 1 "gpc_reg_operand" "%r,r")
+                 (match_operand:DI 2 "reg_or_short_operand" "r,I")))]
   "TARGET_POWERPC64"
-  "mulld %0,%1,%2"
-   [(set_attr "type" "lmul")])
+  "@
+   mulld %0,%1,%2
+   mulli %0,%1,%2"
+   [(set (attr "type")
+      (cond [(match_operand:SI 2 "s8bit_cint_operand" "")
+		(const_string "imul3")
+	     (match_operand:SI 2 "short_cint_operand" "")
+		(const_string "imul2")]
+	(const_string "lmul")))])
 
 (define_insn "*muldi3_internal1"
   [(set (match_operand:CC 0 "cc_reg_operand" "=x,?y")