--- a/gcc/params.def	Tue May 25 18:58:51 2010 +0900
+++ b/gcc/params.def	Tue Mar 22 17:18:12 2011 +0900
@@ -1,5 +1,6 @@
 /* params.def - Run-time parameters.
-   Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
+   Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
+   2011
    Free Software Foundation, Inc.
    Written by Mark Mitchell <mark@codesourcery.com>.
 
@@ -78,11 +79,11 @@
    that is applied to functions marked inlined (or defined in the
    class declaration in C++) given by the "max-inline-insns-single"
    parameter.
-   The default value is 90.  */
+   The default value is 40.  */
 DEFPARAM (PARAM_MAX_INLINE_INSNS_AUTO,
 	  "max-inline-insns-auto",
 	  "The maximum number of instructions when automatically inlining",
-	  50, 0, 0)
+	  40, 0, 0)
 
 DEFPARAM (PARAM_MAX_INLINE_INSNS_RECURSIVE,
 	  "max-inline-insns-recursive",
@@ -117,6 +118,18 @@
 	  "The maximum number of nested indirect inlining performed by early inliner",
 	  10, 0, 0)
 
+/* Limit on probability of entry BB.  */
+DEFPARAM (PARAM_COMDAT_SHARING_PROBABILITY,
+	  "comdat-sharing-probability",
+	  "Probability that COMDAT function will be shared with different compilatoin unit",
+	  20, 0, 0)
+
+/* Limit on probability of entry BB.  */
+DEFPARAM (PARAM_PARTIAL_INLINING_ENTRY_PROBABILITY,
+	  "partial-inlining-entry-probability",
+	  "Maximum probability of the entry BB of split region (in percent relative to entry BB of the function) to make partial inlining happen",
+	  70, 0, 0)
+
 /* Limit the number of expansions created by the variable expansion
    optimization to avoid register pressure.  */
 DEFPARAM (PARAM_MAX_VARIABLE_EXPANSIONS,
@@ -185,7 +198,7 @@
 DEFPARAM(PARAM_EARLY_INLINING_INSNS,
 	 "early-inlining-insns",
 	 "Maximal estimated growth of function body caused by early inlining of single call",
-	 8, 0, 0)
+	 10, 0, 0)
 DEFPARAM(PARAM_LARGE_STACK_FRAME,
 	 "large-stack-frame",
 	 "The size of stack frame to be considered large",
@@ -202,6 +215,13 @@
 	 "The maximum amount of memory to be allocated by GCSE",
 	 50 * 1024 * 1024, 0, 0)
 
+/* The GCSE optimization of an expression will avoided if the ratio of
+   insertions to deletions is greater than this value.  */
+DEFPARAM(PARAM_MAX_GCSE_INSERTION_RATIO,
+	 "max-gcse-insertion-ratio",
+	 "The maximum ratio of insertions to deletions of expressions in GCSE",
+	 20, 0, 0)
+
 /* This is the threshold ratio when to perform partial redundancy
    elimination after reload. We perform partial redundancy elimination
    when the following holds:
@@ -219,6 +239,29 @@
 	"gcse-after-reload-critical-fraction",
 	"The threshold ratio of critical edges execution count that permit performing redundancy elimination after reload",
         10, 0, 0)
+
+/* GCSE will use GCSE_COST_DISTANCE_RATION as a scaling factor
+   to calculate maximum distance for which an expression is allowed to move
+   from its rtx_cost.  */
+DEFPARAM(PARAM_GCSE_COST_DISTANCE_RATIO,
+	 "gcse-cost-distance-ratio",
+	 "Scaling factor in calculation of maximum distance an expression can be moved by GCSE optimizations",
+	 10, 0, 0)
+/* GCSE won't restrict distance for which an expression with rtx_cost greater
+   than COSTS_N_INSN(GCSE_UNRESTRICTED_COST) is allowed to move.  */
+DEFPARAM(PARAM_GCSE_UNRESTRICTED_COST,
+	 "gcse-unrestricted-cost",
+	 "Cost at which GCSE optimizations will not constraint the distance an expression can travel",
+	 3, 0, 0)
+
+/* How deep from a given basic block the dominator tree should be searched
+   for expressions to hoist to the block.  The value of 0 will avoid limiting
+   the search.  */
+DEFPARAM(PARAM_MAX_HOIST_DEPTH,
+	 "max-hoist-depth",
+	 "Maximum depth of search in the dominator tree for expressions to hoist",
+	 30, 0, 0)
+
 /* This parameter limits the number of insns in a loop that will be unrolled,
    and by how much the loop is unrolled.
 
@@ -438,7 +481,12 @@
 DEFPARAM(PARAM_SCEV_MAX_EXPR_SIZE,
  	 "scev-max-expr-size",
 	 "Bound on size of expressions used in the scalar evolutions analyzer",
-	 20, 0, 0)
+	 100, 0, 0)
+
+DEFPARAM(PARAM_SCEV_MAX_EXPR_COMPLEXITY,
+	 "scev-max-expr-complexity",
+	 "Bound on the complexity of the expressions in the scalar evolutions analyzer",
+	 10, 0, 0)
 
 DEFPARAM(PARAM_OMEGA_MAX_VARS,
  	 "omega-max-vars",
@@ -803,6 +851,32 @@
 	  "a pointer to an aggregate with",
 	  2, 0, 0)
 
+DEFPARAM (PARAM_DEVIRT_TYPE_LIST_SIZE,
+	  "devirt-type-list-size",
+	  "Maximum size of a type list associated with each parameter for "
+	  "devirtualization",
+	  8, 0, 0)
+
+/* WHOPR partitioning configuration.  */
+
+DEFPARAM (PARAM_LTO_PARTITIONS,
+	  "lto-partitions",
+	  "Number of paritions program should be split to",
+	  32, 0, 0)
+
+DEFPARAM (MIN_PARTITION_SIZE,
+	  "lto-min-partition",
+	  "Size of minimal paritition for WHOPR (in estimated instructions)",
+	  1000, 0, 0)
+
+/* Diagnostic parameters.  */
+
+DEFPARAM (CXX_MAX_NAMESPACES_FOR_DIAGNOSTIC_HELP,
+	  "cxx-max-namespaces-for-diagnostic-help",
+	  "Maximum number of namespaces to search for alternatives when "
+	  "name lookup fails",
+	  1000, 0, 0)
+
 /*
 Local variables:
 mode:c