Daily bump.

[pf3gnuchains/gcc-fork.git] / gcc / params.def

diff --git a/gcc/params.def b/gcc/params.def
index a7ae091..6c0b1a9 100644 (file)
--- a/gcc/params.def
+++ b/gcc/params.def
@@ -1,6 +1,6 @@
 /* params.def - Run-time parameters.
    Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
-   2011
+   2011, 2012
    Free Software Foundation, Inc.
    Written by Mark Mitchell <mark@codesourcery.com>.
 
@@ -638,11 +638,12 @@ DEFPARAM(PARAM_MAX_LAST_VALUE_RTL,
 
 /* INTEGER_CST nodes are shared for values [{-1,0} .. N) for
    {signed,unsigned} integral types.  This determines N.
-   Experimentation shows 256 to be a good value.  */
+   Experimentation shows 251 to be a good value that generates the
+   least amount of garbage for allocating the TREE_VEC storage.  */
 DEFPARAM (PARAM_INTEGER_SHARE_LIMIT,
          "integer-share-limit",
          "The upper bound for sharing integer constants",
-         256, 2, 2)
+         251, 2, 2)
 
 /* Incremental SSA updates for virtual operands may be very slow if
    there is a large number of mappings to process.  In those cases, it
@@ -820,6 +821,12 @@ DEFPARAM (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION,
          "maximum number of basic blocks per function to be analyzed by Graphite",
          100, 0, 0)
 
+/* Avoid data dependence analysis on very large loops.  */
+DEFPARAM (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS,
+         "loop-max-datarefs-for-datadeps",
+         "Maximum number of datarefs in loop for building loop data dependencies",
+         1000, 0, 0)
+
 /* Avoid doing loop invariant motion on very large loops.  */
 
 DEFPARAM (PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP,
@@ -872,6 +879,13 @@ DEFPARAM (PARAM_IPA_SRA_PTR_GROWTH_FACTOR,
          "a pointer to an aggregate with",
          2, 0, 0)
 
+DEFPARAM (PARAM_TM_MAX_AGGREGATE_SIZE,
+         "tm-max-aggregate-size",
+         "Size in bytes after which thread-local aggregates should be "
+         "instrumented with the logging functions instead of save/restore "
+         "pairs",
+         9, 0, 0)
+
 DEFPARAM (PARAM_IPA_CP_VALUE_LIST_SIZE,
          "ipa-cp-value-list-size",
          "Maximum size of a list of values associated with each parameter for "