/* params.def - Run-time parameters.
- Copyright (C) 2001-2014 Free Software Foundation, Inc.
+ Copyright (C) 2001-2015 Free Software Foundation, Inc.
Written by Mark Mitchell <mark@codesourcery.com>.
This file is part of GCC.
DEFPARAM(PARAM_INLINE_UNIT_GROWTH,
"inline-unit-growth",
"How much can given compilation unit grow because of the inlining (in percent)",
- 30, 0, 0)
+ 20, 0, 0)
DEFPARAM(PARAM_IPCP_UNIT_GROWTH,
"ipcp-unit-growth",
"How much can given compilation unit grow because of the interprocedural constant propagation (in percent)",
DEFPARAM(PARAM_EARLY_INLINING_INSNS,
"early-inlining-insns",
"Maximal estimated growth of function body caused by early inlining of single call",
- 11, 0, 0)
+ 14, 0, 0)
DEFPARAM(PARAM_LARGE_STACK_FRAME,
"large-stack-frame",
"The size of stack frame to be considered large",
"Maximum depth of search in the dominator tree for expressions to hoist",
30, 0, 0)
+
+/* When synthesizing expnonentiation by a real constant operations using square
+ roots, this controls how deep sqrt chains we are willing to generate. */
+DEFPARAM(PARAM_MAX_POW_SQRT_DEPTH,
+ "max-pow-sqrt-depth",
+ "Maximum depth of sqrt chains to use when synthesizing exponentiation by a real constant",
+ 5, 1, 32)
+
/* This parameter limits the number of insns in a loop that will be unrolled,
and by how much the loop is unrolled.
DEFPARAM(PARAM_MAX_COMPLETELY_PEELED_INSNS,
"max-completely-peeled-insns",
"The maximum number of insns of a completely peeled loop",
- 100, 0, 0)
+ 200, 0, 0)
/* The maximum number of peelings of a single loop that is peeled completely. */
DEFPARAM(PARAM_MAX_COMPLETELY_PEEL_TIMES,
"max-completely-peel-times",
"Minimal distance between possibly conflicting store and load",
1, 0, 0)
+DEFPARAM (PARAM_SCHED_AUTOPREF_QUEUE_DEPTH,
+ "sched-autopref-queue-depth",
+ "Hardware autoprefetcher scheduler model control flag. Number of lookahead cycles the model looks into; at '0' only enable instruction sorting heuristic. Disabled by default.",
+ -1, 0, 0)
+
DEFPARAM(PARAM_MAX_LAST_VALUE_RTL,
"max-last-value-rtl",
"The maximum number of RTL nodes that can be recorded as combiner's last value",
10000, 0, 0)
+DEFPARAM(PARAM_MAX_COMBINE_INSNS,
+ "max-combine-insns",
+ "The maximum number of insns combine tries to combine",
+ 4, 2, 4)
+
/* INTEGER_CST nodes are shared for values [{-1,0} .. N) for
{signed,unsigned} integral types. This determines N.
Experimentation shows 251 to be a good value that generates the
"The number of registers in each class kept unused by loop invariant motion",
2, 0, 0)
+DEFPARAM (PARAM_LRA_MAX_CONSIDERED_RELOAD_PSEUDOS,
+ "lra-max-considered-reload-pseudos",
+ "The max number of reload pseudos which are considered during spilling a non-reload pseudo",
+ 500, 0, 0)
+
+DEFPARAM (PARAM_LRA_INHERITANCE_EBB_PROBABILITY_CUTOFF,
+ "lra-inheritance-ebb-probability-cutoff",
+ "Minimal fall-through edge probability in percentage used to add BB to inheritance EBB in LRA",
+ 40, 0, 100)
+
/* Switch initialization conversion will refuse to create arrays that are
bigger than this parameter times the number of switch branches. */
"size of tiles for loop blocking",
51, 0, 0)
+/* Size of unrolling factor for unroll-and-jam. */
+
+DEFPARAM (PARAM_LOOP_UNROLL_JAM_SIZE,
+ "loop-unroll-jam-size",
+ "size of unrolling factor for unroll-and-jam",
+ 4, 0, 0)
+
+/* Size of the band formed by the strip mined dimension and the most inner one for unroll-and-jam. */
+
+DEFPARAM (PARAM_LOOP_UNROLL_JAM_DEPTH,
+ "loop-unroll-jam-depth",
+ "depth of unrolled loop for unroll-and-jam",
+ 2, 0, 0)
+
+
/* Maximal number of parameters that we allow in a SCoP. */
DEFPARAM (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS,
"Max basic blocks number in loop for loop invariant motion",
10000, 0, 0)
+/* When the parameter is 1, use the internal function id
+ to look up for profile data. Otherwise, use a more stable
+ external id based on assembler name and source location. */
+DEFPARAM (PARAM_PROFILE_FUNC_INTERNAL_ID,
+ "profile-func-internal-id",
+ "use internal function id in profile lookup",
+ 0, 0, 1)
+
+/* When the parameter is 1, track the most frequent N target
+ addresses in indirect-call profile. This disables
+ indirect_call_profiler_v2 which tracks single target. */
+DEFPARAM (PARAM_INDIR_CALL_TOPN_PROFILE,
+ "indir-call-topn-profile",
+ "track topn target addresses in indirect-call profile",
+ 0, 0, 1)
+
/* Avoid SLP vectorization of large basic blocks. */
DEFPARAM (PARAM_SLP_MAX_INSNS_IN_BB,
"slp-max-insns-in-bb",
"pairs",
9, 0, 0)
+DEFPARAM (PARAM_SRA_MAX_SCALARIZATION_SIZE_SPEED,
+ "sra-max-scalarization-size-Ospeed",
+ "Maximum size, in storage units, of an aggregate which should be "
+ "considered for scalarization when compiling for speed",
+ 0, 0, 0)
+
+DEFPARAM (PARAM_SRA_MAX_SCALARIZATION_SIZE_SIZE,
+ "sra-max-scalarization-size-Osize",
+ "Maximum size, in storage units, of an aggregate which should be "
+ "considered for scalarization when compiling for size",
+ 0, 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 "
"beneficial to clone.",
500, 0, 0)
+DEFPARAM (PARAM_IPA_CP_RECURSION_PENALTY,
+ "ipa-cp-recursion-penalty",
+ "Percentage penalty the recursive functions will receive when they "
+ "are evaluated for cloning.",
+ 40, 0, 100)
+
+DEFPARAM (PARAM_IPA_CP_SINGLE_CALL_PENALTY,
+ "ipa-cp-single-call-penalty",
+ "Percentage penalty functions containg a single call to another "
+ "function will receive when they are evaluated for cloning.",
+ 15, 0, 100)
+
DEFPARAM (PARAM_IPA_MAX_AGG_ITEMS,
"ipa-max-agg-items",
"Maximum number of aggregate content items for a parameter in "
"index known.",
48, 0, 0)
+DEFPARAM (PARAM_IPA_MAX_AA_STEPS,
+ "ipa-max-aa-steps",
+ "Maximum number of statements that will be visited by IPA formal "
+ "parameter analysis based on alias analysis in any given function",
+ 25000, 0, 0)
+
/* WHOPR partitioning configuration. */
DEFPARAM (PARAM_LTO_PARTITIONS,
0, 0, 0)
/* Data race flags for C++0x memory model compliance. */
-DEFPARAM (PARAM_ALLOW_LOAD_DATA_RACES,
- "allow-load-data-races",
- "Allow new data races on loads to be introduced",
- 1, 0, 1)
-
DEFPARAM (PARAM_ALLOW_STORE_DATA_RACES,
"allow-store-data-races",
"Allow new data races on stores to be introduced",
- 1, 0, 1)
-
-DEFPARAM (PARAM_ALLOW_PACKED_LOAD_DATA_RACES,
- "allow-packed-load-data-races",
- "Allow new data races on packed data loads to be introduced",
- 1, 0, 1)
-
-DEFPARAM (PARAM_ALLOW_PACKED_STORE_DATA_RACES,
- "allow-packed-store-data-races",
- "Allow new data races on packed data stores to be introduced",
- 1, 0, 1)
+ 0, 0, 1)
/* Reassociation width to be used by tree reassoc optimization. */
DEFPARAM (PARAM_TREE_REASSOC_WIDTH,
"max-tracked-strlens",
"Maximum number of strings for which strlen optimization pass will "
"track string lengths",
- 1000, 0, 0)
+ 10000, 0, 0)
/* Keep this in sync with the sched_pressure_algorithm enum. */
DEFPARAM (PARAM_SCHED_PRESSURE_ALGORITHM,
"strength reduction",
50, 1, 999999)
+DEFPARAM (PARAM_ASAN_STACK,
+ "asan-stack",
+ "Enable asan stack protection",
+ 1, 0, 1)
+
+DEFPARAM (PARAM_ASAN_GLOBALS,
+ "asan-globals",
+ "Enable asan globals protection",
+ 1, 0, 1)
+
+DEFPARAM (PARAM_ASAN_INSTRUMENT_WRITES,
+ "asan-instrument-writes",
+ "Enable asan store operations protection",
+ 1, 0, 1)
+
+DEFPARAM (PARAM_ASAN_INSTRUMENT_READS,
+ "asan-instrument-reads",
+ "Enable asan load operations protection",
+ 1, 0, 1)
+
+DEFPARAM (PARAM_ASAN_MEMINTRIN,
+ "asan-memintrin",
+ "Enable asan builtin functions protection",
+ 1, 0, 1)
+
+DEFPARAM (PARAM_ASAN_USE_AFTER_RETURN,
+ "asan-use-after-return",
+ "Enable asan detection of use-after-return bugs",
+ 1, 0, 1)
+
+DEFPARAM (PARAM_ASAN_INSTRUMENTATION_WITH_CALL_THRESHOLD,
+ "asan-instrumentation-with-call-threshold",
+ "Use callbacks instead of inline code if number of accesses "
+ "in function becomes greater or equal to this number",
+ 7000, 0, INT_MAX)
+
+DEFPARAM (PARAM_UNINIT_CONTROL_DEP_ATTEMPTS,
+ "uninit-control-dep-attempts",
+ "Maximum number of nested calls to search for control dependencies "
+ "during uninitialized variable analysis",
+ 1000, 1, 0)
+
+DEFPARAM (PARAM_CHKP_MAX_CTOR_SIZE,
+ "chkp-max-ctor-size",
+ "Maximum number of statements to be included into a single static "
+ "constructor generated by Pointer Bounds Checker",
+ 5000, 100, 0)
+
+DEFPARAM (PARAM_MAX_FSM_THREAD_PATH_INSNS,
+ "max-fsm-thread-path-insns",
+ "Maximum number of instructions to copy when duplicating blocks on a finite state automaton jump thread path",
+ 100, 1, 999999)
+
+DEFPARAM (PARAM_MAX_FSM_THREAD_LENGTH,
+ "max-fsm-thread-length",
+ "Maximum number of basic blocks on a finite state automaton jump thread path",
+ 10, 1, 999999)
+
+DEFPARAM (PARAM_MAX_FSM_THREAD_PATHS,
+ "max-fsm-thread-paths",
+ "Maximum number of new jump thread paths to create for a finite state automaton",
+ 50, 1, 999999)
/*
+
Local variables:
mode:c
End: