2009-09-23 Yuri Gribov <tetra2005@googlemail.com>

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

diff --git a/gcc/params.def b/gcc/params.def
index 9b5db87..0513985 100644 (file)
--- a/gcc/params.def
+++ b/gcc/params.def
@@ -38,36 +38,6 @@ along with GCC; see the file COPYING3.  If not see
 
    Be sure to add an entry to invoke.texi summarizing the parameter.  */
 
-/* The maximum structure size at which the scalar replacement of
-   aggregates (SRA) pass will perform block copies.  The default
-   value, 0, implies that GCC will select the most appropriate size
-   itself.  */
-DEFPARAM (PARAM_SRA_MAX_STRUCTURE_SIZE,
-         "sra-max-structure-size",
-         "The maximum structure size (in bytes) for which GCC will "
-         "use by-element copies",
-         0, 0, 0)
-
-/* The maximum number of structure fields which the SRA pass will
-   instantiate to avoid block copies.  The default value, 0, implies
-   that GCC will select the appropriate value itself.  */
-DEFPARAM (PARAM_SRA_MAX_STRUCTURE_COUNT,
-         "sra-max-structure-count",
-         "The maximum number of structure fields for which GCC will "
-         "use by-element copies",
-         0, 0, 0)
-
-/* The ratio between instantiated fields and the complete structure
-   size.  We say that if the ratio of the number of bytes in
-   instantiated fields to the number of bytes in the complete
-   structure exceeds this parameter, or if the number of instantiated
-   fields to the total number of fields exceeds this parameter, then
-   block copies are not used.  The default is 75%.  */
-DEFPARAM (PARAM_SRA_FIELD_STRUCTURE_RATIO,
-         "sra-field-structure-ratio",
-         "The threshold ratio between instantiated fields and the total structure size",
-         75, 0, 100)
-
 /* 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 
@@ -100,7 +70,7 @@ DEFPARAM (PARAM_PREDICTABLE_BRANCH_OUTCOME,
 DEFPARAM (PARAM_MAX_INLINE_INSNS_SINGLE,
          "max-inline-insns-single",
          "The maximum number of instructions in a single function eligible for inlining",
-         450, 0, 0)
+         400, 0, 0)
 
 /* The single function inlining limit for functions that are
    inlined by virtue of -finline-functions (-O3).
@@ -112,7 +82,7 @@ DEFPARAM (PARAM_MAX_INLINE_INSNS_SINGLE,
 DEFPARAM (PARAM_MAX_INLINE_INSNS_AUTO,
          "max-inline-insns-auto",
          "The maximum number of instructions when automatically inlining",
-         90, 0, 0)
+         50, 0, 0)
 
 DEFPARAM (PARAM_MAX_INLINE_INSNS_RECURSIVE,
          "max-inline-insns-recursive",
@@ -212,10 +182,10 @@ DEFPARAM(PARAM_IPCP_UNIT_GROWTH,
         "ipcp-unit-growth",
         "how much can given compilation unit grow because of the interprocedural constant propagation (in percent)",
         10, 0, 0)
-DEFPARAM(PARAM_INLINE_CALL_COST,
-        "inline-call-cost",
-        "expense of call operation relative to ordinary arithmetic operations",
-        12, 0, 0)
+DEFPARAM(PARAM_EARLY_INLINING_INSNS,
+        "early-inlining-insns",
+        "maximal estimated growth of function body caused by early inlining of single call",
+        8, 0, 0)
 DEFPARAM(PARAM_LARGE_STACK_FRAME,
         "large-stack-frame",
         "The size of stack frame to be considered large",
@@ -765,6 +735,36 @@ DEFPARAM (PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP,
          "max basic blocks number in loop for loop invariant motion",
          10000, 0, 0)
 
+/* Avoid SLP vectorization of large basic blocks.  */
+DEFPARAM (PARAM_SLP_MAX_INSNS_IN_BB,
+          "slp-max-insns-in-bb",
+          "Maximum number of instructions in basic block to be considered for SLP vectorization",
+          1000, 0, 0)
+
+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)
+
+DEFPARAM (PARAM_PREFETCH_MIN_INSN_TO_MEM_RATIO,
+         "prefetch-min-insn-to-mem-ratio",
+         "min. ratio of insns to mem ops to enable prefetching in a loop",
+         3, 0, 0)
+
+/* Set minimum insn uid for non-debug insns.  */
+
+DEFPARAM (PARAM_MIN_NONDEBUG_INSN_UID,
+         "min-nondebug-insn-uid",
+         "The minimum UID to be used for a nondebug insn",
+         0, 1, 0)
+
+DEFPARAM (PARAM_IPA_SRA_PTR_GROWTH_FACTOR,
+         "ipa-sra-ptr-growth-factor",
+         "maximum allowed growth of size of new parameters ipa-sra replaces "
+         "a pointer to an aggregate with",
+         2, 0, 0)
+
 /*
 Local variables:
 mode:c