--- gcc-4.6.0/gcc/params.def-orig	2011-06-16 11:39:42.412634260 -0500
+++ gcc-4.6.0/gcc/params.def	2011-06-16 11:41:29.457630886 -0500
@@ -39,6 +39,11 @@
 
    Be sure to add an entry to invoke.texi summarizing the parameter.  */
 
+DEFPARAM (PARAM_CASE_VALUES_THRESHOLD,
+	  "case-values-threshold",
+	  "Minimum number of case statements for each a jump table will be used",
+	  4, 4, 1000)
+
 /* The threshold ratio between current and hottest structure counts.
    We say that if the ratio of the current structure count,
    calculated by profiling, to the hottest structure count
--- gcc-4.6.0/gcc/config/rs6000/rs6000.c-orig	2011-06-16 12:24:03.440630751 -0500
+++ gcc-4.6.0/gcc/config/rs6000/rs6000.c	2011-06-16 12:24:51.450630163 -0500
@@ -1282,6 +1282,7 @@
 					    struct cl_target_option *);
 static bool rs6000_can_inline_p (tree, tree);
 static void rs6000_set_current_function (tree);
+static unsigned int rs6000_case_values_threshold (void);
 
 
 /* Default register names.  */
--- gcc-4.6.0/gcc/config/rs6000/rs6000.c-orig	2011-06-16 11:18:27.131631000 -0500
+++ gcc-4.6.0/gcc/config/rs6000/rs6000.c	2011-06-16 11:38:15.225631714 -0500
@@ -1704,6 +1704,9 @@
 #undef TARGET_SET_CURRENT_FUNCTION
 #define TARGET_SET_CURRENT_FUNCTION rs6000_set_current_function
 
+#undef TARGET_CASE_VALUES_THRESHOLD
+#define TARGET_CASE_VALUES_THRESHOLD rs6000_case_values_threshold
+
 struct gcc_target targetm = TARGET_INITIALIZER;
 
 
@@ -28179,6 +28182,12 @@
 }
 
 
+static unsigned int
+rs6000_case_values_threshold (void)
+{
+  return PARAM_VALUE (PARAM_CASE_VALUES_THRESHOLD);
+}
+
 /* Save the current options */
 
 static void
--- gcc-4.6.0/gcc/config/rs6000/rs6000.c-orig	2011-06-17 12:19:00.463631000 -0500
+++ gcc-4.6.0/gcc/config/rs6000/rs6000.c	2011-06-17 12:06:28.904630840 -0500
@@ -2906,6 +2906,13 @@
   if (rs6000_block_move_inline_limit < (TARGET_POWERPC64 ? 64 : 32))
     rs6000_block_move_inline_limit = (TARGET_POWERPC64 ? 64 : 32);
 
+  if ((rs6000_cpu == PROCESSOR_PPC8540
+       || rs6000_cpu == PROCESSOR_PPCE500MC
+       || rs6000_cpu == PROCESSOR_PPCE5500
+       || rs6000_cpu == PROCESSOR_PPCE6500)
+      && global_options_set.x_param_values[(int) PARAM_CASE_VALUES_THRESHOLD] != true)
+    global_options.x_param_values[(int) PARAM_CASE_VALUES_THRESHOLD] = 8;
+    
   if (global_init_p)
     {
       /* If the appropriate debug option is enabled, replace the target hooks