2011-09-02 Robert Dewar <dewar@adacore.com>

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

diff --git a/gcc/params.def b/gcc/params.def
index fa89a52..e8372ed 100644 (file)
--- a/gcc/params.def
+++ b/gcc/params.def
@@ -825,7 +825,7 @@ DEFPARAM (PARAM_MIN_INSN_TO_PREFETCH_RATIO,
          "min-insn-to-prefetch-ratio",
          "Min. ratio of insns to prefetches to enable prefetching for "
           "a loop with an unknown trip count",
-         10, 0, 0)
+         9, 0, 0)
 
 DEFPARAM (PARAM_PREFETCH_MIN_INSN_TO_MEM_RATIO,
          "prefetch-min-insn-to-mem-ratio",
@@ -839,6 +839,14 @@ DEFPARAM (PARAM_MAX_VARTRACK_SIZE,
          "Max. size of var tracking hash tables",
          50000000, 0, 0)
 
+/* Set maximum recursion depth for var tracking expression expansion
+   and resolution.  */
+
+DEFPARAM (PARAM_MAX_VARTRACK_EXPR_DEPTH,
+         "max-vartrack-expr-depth",
+         "Max. recursion depth for expanding var tracking expressions",
+         12, 0, 0)
+
 /* Set minimum insn uid for non-debug insns.  */
 
 DEFPARAM (PARAM_MIN_NONDEBUG_INSN_UID,
@@ -852,12 +860,18 @@ DEFPARAM (PARAM_IPA_SRA_PTR_GROWTH_FACTOR,
          "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",
+DEFPARAM (PARAM_IPA_CP_VALUE_LIST_SIZE,
+         "ipa-cp-value-list-size",
+         "Maximum size of a list of values associated with each parameter for "
+         "interprocedural constant propagation",
          8, 0, 0)
 
+DEFPARAM (PARAM_IPA_CP_EVAL_THRESHOLD,
+         "ipa-cp-eval-threshold",
+         "Threshold ipa-cp opportunity evaluation that is still considered "
+         "beneficial to clone.",
+         500, 0, 0)
+
 /* WHOPR partitioning configuration.  */
 
 DEFPARAM (PARAM_LTO_PARTITIONS,
@@ -884,6 +898,22 @@ DEFPARAM (PARAM_MAX_STORES_TO_SINK,
           "Maximum number of conditional store pairs that can be sunk",
           2, 0, 0)
 
+/* Override CASE_VALUES_THRESHOLD of when to switch from doing switch
+   statements via if statements to using a table jump operation.  If the value
+   is 0, the default CASE_VALUES_THRESHOLD will be used.  */
+DEFPARAM (PARAM_CASE_VALUES_THRESHOLD,
+          "case-values-threshold",
+          "The smallest number of different values for which it is best to "
+         "use a jump-table instead of a tree of conditional branches, "
+         "if 0, use the default for the machine",
+          0, 0, 0)
+
+/* Data race flags for C++0x memory model compliance.  */
+DEFPARAM (PARAM_ALLOW_STORE_DATA_RACES,
+         "allow-store-data-races",
+         "Allow new data races on stores to be introduced",
+         1, 0, 1)
+
 
 /*
 Local variables: