"The maximum number of instructions when automatically inlining",
120)
+DEFPARAM (PARAM_MAX_INLINE_INSNS_RECURSIVE,
+ "max-inline-insns-recursive",
+ "The maximum number of instructions inline function can grow to via recursive inlining",
+ 500)
+
+DEFPARAM (PARAM_MAX_INLINE_INSNS_RECURSIVE_AUTO,
+ "max-inline-insns-recursive-auto",
+ "The maximum number of instructions non-inline function can grow to via recursive inlining",
+ 500)
+
+DEFPARAM (PARAM_MAX_INLINE_RECURSIVE_DEPTH,
+ "max-inline-recursive-depth",
+ "The maximum depth of recursive inlining for inline functions",
+ 8)
+
+DEFPARAM (PARAM_MAX_INLINE_RECURSIVE_DEPTH_AUTO,
+ "max-inline-recursive-depth-auto",
+ "The maximum depth of recursive inlining for non-inline functions",
+ 8)
+
/* For languages that (still) use the RTL inliner, we can specify
limits for the RTL inliner separately.
The parameter here defines the maximum number of RTL instructions
"max-gcse-passes",
"The maximum number of passes to make when doing GCSE",
1)
-
+/* This is the threshold ratio when to perform partial redundancy
+ elimination after reload. We perform partial redundancy elimination
+ when the following holds:
+ (Redundant load execution count)
+ ------------------------------- >= GCSE_AFTER_RELOAD_PARTIAL_FRACTION
+ (Added loads execution count) */
+DEFPARAM(PARAM_GCSE_AFTER_RELOAD_PARTIAL_FRACTION,
+ "gcse-after-reload-partial-fraction",
+ "The threshold ratio for performing partial redundancy elimination \
+ after reload.",
+ 3)
+/* This is the threshold ratio of the critical edges execution count compared to
+ the redundant loads execution count that permits performing the load
+ redundancy elimination in gcse after reload. */
+DEFPARAM(PARAM_GCSE_AFTER_RELOAD_CRITICAL_FRACTION,
+ "gcse-after-reload-critical-fraction",
+ "The threshold ratio of critical edges execution count that permit \
+ performing redundancy elimination after reload.",
+ 10)
/* This parameter limits the number of insns in a loop that will be unrolled,
- and by how much the loop is unrolled. */
+ and by how much the loop is unrolled.
+
+ This limit should be at most half of the peeling limits: loop unroller
+ decides to not unroll loops that iterate fewer than 2*number of allowed
+ unrollings and thus we would have loops that are neither peeled or unrolled
+ otherwise. */
DEFPARAM(PARAM_MAX_UNROLLED_INSNS,
"max-unrolled-insns",
"The maximum number of instructions to consider to unroll in a loop",
DEFPARAM(PARAM_MAX_PEELED_INSNS,
"max-peeled-insns",
"The maximum number of insns of a peeled loop",
- 120)
+ 400)
/* The maximum number of peelings of a single loop. */
DEFPARAM(PARAM_MAX_PEEL_TIMES,
"max-peel-times",
DEFPARAM(PARAM_MAX_COMPLETELY_PEELED_INSNS,
"max-completely-peeled-insns",
"The maximum number of insns of a completely peeled loop",
- 120)
+ 400)
/* The maximum number of peelings of a single loop that is peeled completely. */
DEFPARAM(PARAM_MAX_COMPLETELY_PEEL_TIMES,
"max-completely-peel-times",
DEFPARAM(PARAM_MAX_ONCE_PEELED_INSNS,
"max-once-peeled-insns",
"The maximum number of insns of a peeled loop that rolls only once",
- 200)
+ 400)
/* The maximum number of insns of an unswitched loop. */
DEFPARAM(PARAM_MAX_UNSWITCH_INSNS,
"The maximum number of unswitchings in a single loop",
3)
+/* The maximum number of iterations of a loop the brute force algorithm
+ for analysis of # of iterations of the loop tries to evaluate. */
+DEFPARAM(PARAM_MAX_ITERATIONS_TO_TRACK,
+ "max-iterations-to-track",
+ "Bound on the number of iterations the brute force # of iterations \
+ analysis algorithm evaluates",
+ 1000)
+
+DEFPARAM(PARAM_MAX_SMS_LOOP_NUMBER,
+ "max-sms-loop-number",
+ "Maximum number of loops to perform swing modulo scheduling on \
+ (mainly for debugging)",
+ -1)
+
+/* This parameter is used to tune SMS MAX II calculations. */
+DEFPARAM(PARAM_SMS_MAX_II_FACTOR,
+ "sms-max-ii-factor",
+ "A factor for tuning the upper bound that swing modulo scheduler uses \
+ for scheduling a loop",
+ 100)
+DEFPARAM(PARAM_SMS_DFA_HISTORY,
+ "sms-dfa-history",
+ "The number of cycles the swing modulo scheduler considers when \
+ checking conflicts using DFA",
+ 0)
+DEFPARAM(PARAM_SMS_LOOP_AVERAGE_COUNT_THRESHOLD,
+ "sms-loop-average-count-threshold",
+ "A threshold on the average loop count considered by the swing modulo \
+ scheduler",
+ 0)
+
DEFPARAM(HOT_BB_COUNT_FRACTION,
"hot-bb-count-fraction",
"Select fraction of the maximal count of repetitions of basic block in \
"The maximum number of incoming edges to consider for crossjumping",
100)
+/* The minimum number of matching instructions to consider for crossjumping. */
+DEFPARAM(PARAM_MIN_CROSSJUMP_INSNS,
+ "min-crossjump-insns",
+ "The minimum number of matching instructions to consider for crossjumping",
+ 5)
+
/* The maximum length of path considered in cse. */
DEFPARAM(PARAM_MAX_CSE_PATH_LENGTH,
"max-cse-path-length",
"The maximum length of path considered in cse",
10)
+/* The cost of expression in loop invariant motion that is considered
+ expensive. */
+DEFPARAM(PARAM_LIM_EXPENSIVE,
+ "lim-expensive",
+ "The minimum cost of an expensive expression in the loop invariant motion",
+ 20)
+
+/* The product of the next two is used to decide whether or not to
+ use .GLOBAL_VAR. See tree-dfa.c. */
+DEFPARAM(PARAM_GLOBAL_VAR_THRESHOLD,
+ "global-var-threshold",
+ "Given N calls and V call-clobbered vars in a function. Use .GLOBAL_VAR if NxV is larger than this limit",
+ 500000)
+
DEFPARAM(PARAM_MAX_CSELIB_MEMORY_LOCATIONS,
"max-cselib-memory-locations",
"The maximum memory locations recorded by cselib",
"The maximum number of instructions to search backward when looking for equivalent reload",
100)
+DEFPARAM(PARAM_MAX_ALIASED_VOPS,
+ "max-aliased-vops",
+ "The maximum number of virtual operands allowed to represent aliases before triggering alias grouping.",
+ 500)
+
+DEFPARAM(PARAM_MAX_SCHED_REGION_BLOCKS,
+ "max-sched-region-blocks",
+ "The maximum number of blocks in a region to be considered for interblock scheduling",
+ 10)
+
+DEFPARAM(PARAM_MAX_SCHED_REGION_INSNS,
+ "max-sched-region-insns",
+ "The maximum number of insns in a region to be considered for interblock scheduling",
+ 100)
+
/*
Local variables:
mode:c