(mulsi3): Make alternatives be "mq" and "no_mq" instead of "power" and "powerpc".

(mulsi3): Make alternatives be "mq" and "no_mq" instead of "power" and
"powerpc".  Only allow one pattern (either with or without the clobber
of MQ) to match.

From-SVN: r5966

gcc/config/rs6000/rs6000.md

@@ -640,13 +640,13 @@
   "
 {
   if (TARGET_POWER)
-    emit_insn (gen_mulsi3_power (operands[0], operands[1], operands[2]));
+    emit_insn (gen_mulsi3_mq (operands[0], operands[1], operands[2]));
   else
-    emit_insn (gen_mulsi3_powerpc (operands[0], operands[1], operands[2]));
+    emit_insn (gen_mulsi3_no_mq (operands[0], operands[1], operands[2]));
   DONE;
 }")
 
-(define_insn "mulsi3_power"
+(define_insn "mulsi3_mq"
   [(set (match_operand:SI 0 "gpc_reg_operand" "=r,r")
 	(mult:SI (match_operand:SI 1 "gpc_reg_operand" "%r,r")
 		 (match_operand:SI 2 "reg_or_short_operand" "r,I")))
@@ -657,11 +657,11 @@
    {muli|mulli} %0,%1,%2"
    [(set_attr "type" "imul")])
 
-(define_insn "mulsi3_powerpc"
+(define_insn "mulsi3_no_mq"
   [(set (match_operand:SI 0 "gpc_reg_operand" "=r,r")
 	(mult:SI (match_operand:SI 1 "gpc_reg_operand" "%r,r")
 		 (match_operand:SI 2 "reg_or_short_operand" "r,I")))]
-  "TARGET_POWERPC"
+  "! TARGET_POWER"
   "@
    mullw %0,%1,%2
    mulli %0,%1,%2"