602 uses 603 description

From-SVN: r11480

gcc/config/rs6000/rs6000.c

@@ -249,7 +249,7 @@ rs6000_override_options (default_cpu)
 	 {"601", PROCESSOR_PPC601,
 	    MASK_POWER | MASK_POWERPC | MASK_NEW_MNEMONICS | MASK_MULTIPLE | MASK_STRING,
 	    MASK_POWER2 | POWERPC_OPT_MASKS | MASK_POWERPC64},
-	 {"602", PROCESSOR_PPC602,
+	 {"602", PROCESSOR_PPC603,
 	    MASK_POWERPC | MASK_PPC_GFXOPT | MASK_NEW_MNEMONICS,
 	    POWER_MASKS | MASK_PPC_GPOPT | MASK_POWERPC64},
 	 {"603", PROCESSOR_PPC603,
@@ -3954,8 +3954,6 @@ int get_issue_rate()
     return 4;
   case CPU_PPC601:
     return 3;       /* ? */
-  case CPU_PPC602:
-    return 1; 
   case CPU_PPC603:
     return 2; 
   case CPU_PPC604:

gcc/config/rs6000/rs6000.h

@@ -383,7 +383,6 @@ enum processor_type
   PROCESSOR_MPCCORE,
   PROCESSOR_PPC403,
   PROCESSOR_PPC601,
-  PROCESSOR_PPC602,
   PROCESSOR_PPC603,
   PROCESSOR_PPC604,
   PROCESSOR_PPC620};
@@ -1981,8 +1980,12 @@ typedef struct rs6000_args
     case PROCESSOR_MPCCORE:				\
       return COSTS_N_INSNS (2);				\
     case PROCESSOR_PPC601:				\
-    case PROCESSOR_PPC603:				\
       return COSTS_N_INSNS (5);				\
+    case PROCESSOR_PPC603:				\
+      return (GET_CODE (XEXP (X, 1)) != CONST_INT	\
+	      ? COSTS_N_INSNS (5)			\
+	      : INTVAL (XEXP (X, 1)) >= -256 && INTVAL (XEXP (X, 1)) <= 255 \
+	      ? COSTS_N_INSNS (2) : COSTS_N_INSNS (3));	\
     case PROCESSOR_PPC403:				\
     case PROCESSOR_PPC604:				\
     case PROCESSOR_PPC620:				\