From 7e1792c953ec544e4bc0182b50026b41720fce2e Mon Sep 17 00:00:00 2001 From: Martin Liska Date: Tue, 12 Nov 2019 11:08:04 +0100 Subject: [PATCH] Include new generated gcc/params.opt file. 2019-11-12 Martin Liska * Makefile.in: Include params.opt. * flag-types.h (enum parloops_schedule_type): Add parloops_schedule_type used in params.opt. * params.opt: New file. From-SVN: r278084 --- gcc/ChangeLog | 7 + gcc/Makefile.in | 2 +- gcc/flag-types.h | 11 + gcc/params.opt | 971 +++++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 990 insertions(+), 1 deletion(-) create mode 100644 gcc/params.opt diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a1a3c8b5c5c..d4de69a271f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2019-11-12 Martin Liska + + * Makefile.in: Include params.opt. + * flag-types.h (enum parloops_schedule_type): Add + parloops_schedule_type used in params.opt. + * params.opt: New file. + 2019-11-12 Martin Liska * common.opt: Remove --param and --param= options. diff --git a/gcc/Makefile.in b/gcc/Makefile.in index ac21401af39..ff9a2841d52 100644 --- a/gcc/Makefile.in +++ b/gcc/Makefile.in @@ -567,7 +567,7 @@ xm_include_list=@xm_include_list@ xm_defines=@xm_defines@ lang_checks= lang_checks_parallelized= -lang_opt_files=@lang_opt_files@ $(srcdir)/c-family/c.opt $(srcdir)/common.opt +lang_opt_files=@lang_opt_files@ $(srcdir)/c-family/c.opt $(srcdir)/common.opt $(srcdir)/params.opt lang_specs_files=@lang_specs_files@ lang_tree_files=@lang_tree_files@ target_cpu_default=@target_cpu_default@ diff --git a/gcc/flag-types.h b/gcc/flag-types.h index b23d3a271f1..0c23aadefed 100644 --- a/gcc/flag-types.h +++ b/gcc/flag-types.h @@ -370,4 +370,15 @@ enum cf_protection_level CF_FULL = CF_BRANCH | CF_RETURN, CF_SET = 1 << 2 }; + +/* Parloops schedule type. */ +enum parloops_schedule_type +{ + PARLOOPS_SCHEDULE_STATIC = 0, + PARLOOPS_SCHEDULE_DYNAMIC, + PARLOOPS_SCHEDULE_GUIDED, + PARLOOPS_SCHEDULE_AUTO, + PARLOOPS_SCHEDULE_RUNTIME +}; + #endif /* ! GCC_FLAG_TYPES_H */ diff --git a/gcc/params.opt b/gcc/params.opt new file mode 100644 index 00000000000..be0a3a15598 --- /dev/null +++ b/gcc/params.opt @@ -0,0 +1,971 @@ +; Parameter options of the compiler. + +; Copyright (C) 2019 Free Software Foundation, Inc. +; +; This file is part of GCC. +; +; GCC is free software; you can redistribute it and/or modify it under +; the terms of the GNU General Public License as published by the Free +; Software Foundation; either version 3, or (at your option) any later +; version. +; +; GCC is distributed in the hope that it will be useful, but WITHOUT ANY +; WARRANTY; without even the implied warranty of MERCHANTABILITY or +; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +; for more details. +; +; You should have received a copy of the GNU General Public License +; along with GCC; see the file COPYING3. If not see +; . + +; See the GCC internals manual (options.texi) for a description of this file's format. + +; Please try to keep this file in ASCII collating order. + +-param=align-loop-iterations= +Common Joined UInteger Var(param_align_loop_iterations) Init(4) Param +Loops iterating at least selected number of iterations will get loop alignment. + +-param=align-threshold= +Common Joined UInteger Var(param_align_threshold) Init(100) IntegerRange(1, 65536) Param +Select fraction of the maximal frequency of executions of basic block in function given basic block get alignment. + +-param=asan-globals= +Common Joined UInteger Var(param_asan_globals) Init(1) IntegerRange(0, 1) Param +Enable asan globals protection. + +-param=asan-instrument-allocas= +Common Joined UInteger Var(param_asan_protect_allocas) Init(1) IntegerRange(0, 1) Param +Enable asan allocas/VLAs protection. + +-param=asan-instrument-reads= +Common Joined UInteger Var(param_asan_instrument_reads) Init(1) IntegerRange(0, 1) Param +Enable asan load operations protection. + +-param=asan-instrument-writes= +Common Joined UInteger Var(param_asan_instrument_writes) Init(1) IntegerRange(0, 1) Param +Enable asan store operations protection. + +-param=asan-instrumentation-with-call-threshold= +Common Joined UInteger Var(param_asan_instrumentation_with_call_threshold) Init(7000) Param +Use callbacks instead of inline code if number of accesses in function becomes greater or equal to this number. + +-param=asan-memintrin= +Common Joined UInteger Var(param_asan_memintrin) Init(1) IntegerRange(0, 1) Param +Enable asan builtin functions protection. + +-param=asan-stack= +Common Joined UInteger Var(param_asan_stack) Init(1) IntegerRange(0, 1) Param +Enable asan stack protection. + +-param=asan-use-after-return= +Common Joined UInteger Var(param_asan_use_after_return) Init(1) IntegerRange(0, 1) Param +Enable asan detection of use-after-return bugs. + +-param=avg-loop-niter= +Common Joined UInteger Var(param_avg_loop_niter) Init(10) IntegerRange(1, 65536) Param +Average number of iterations of a loop. + +-param=avoid-fma-max-bits= +Common Joined UInteger Var(param_avoid_fma_max_bits) IntegerRange(0, 512) Param +Maximum number of bits for which we avoid creating FMAs. + +-param=builtin-expect-probability= +Common Joined UInteger Var(param_builtin_expect_probability) Init(90) IntegerRange(0, 100) Param +Set the estimated probability in percentage for builtin expect. The default value is 90% probability. + +-param=builtin-string-cmp-inline-length= +Common Joined UInteger Var(param_builtin_string_cmp_inline_length) Init(3) IntegerRange(0, 100) Param +The maximum length of a constant string for a builtin string cmp call eligible for inlining. The default value is 3. + +-param=case-values-threshold= +Common Joined UInteger Var(param_case_values_threshold) Param +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. + +-param=comdat-sharing-probability= +Common Joined UInteger Var(param_comdat_sharing_probability) Init(20) Param +Probability that COMDAT function will be shared with different compilation unit. + +-param=cxx-max-namespaces-for-diagnostic-help= +Common Joined UInteger Var(param_cxx_max_namespaces_for_diagnostic_help) Init(1000) Param +Maximum number of namespaces to search for alternatives when name lookup fails. + +-param=dse-max-alias-queries-per-store= +Common Joined UInteger Var(param_dse_max_alias_queries_per_store) Init(256) Param +Maximum number of queries into the alias oracle per store. + +-param=dse-max-object-size= +Common Joined UInteger Var(param_dse_max_object_size) Init(256) Param +Maximum size (in bytes) of objects tracked bytewise by dead store elimination. + +-param=early-inlining-insns= +Common Joined UInteger Var(param_early_inlining_insns) Init(14) Param +Maximal estimated growth of function body caused by early inlining of single call with -O3 and -Ofast. + +-param=early-inlining-insns-O2= +Common Joined UInteger Var(param_early_inlining_insns_o2) Init(6) Param +Maximal estimated growth of function body caused by early inlining of single call with -O1 and -O2. + +-param=fsm-maximum-phi-arguments= +Common Joined UInteger Var(param_fsm_maximum_phi_arguments) Init(100) IntegerRange(1, 999999) Param +Maximum number of arguments a PHI may have before the FSM threader will not try to thread through its block. + +-param=fsm-scale-path-blocks= +Common Joined UInteger Var(param_fsm_scale_path_blocks) Init(3) IntegerRange(1, 10) Param +Scale factor to apply to the number of blocks in a threading path when comparing to the number of (scaled) statements. + +-param=fsm-scale-path-stmts= +Common Joined UInteger Var(param_fsm_scale_path_stmts) Init(2) IntegerRange(1, 10) Param +Scale factor to apply to the number of statements in a threading path when comparing to the number of (scaled) blocks. + +-param=gcse-after-reload-critical-fraction= +Common Joined UInteger Var(param_gcse_after_reload_critical_fraction) Init(10) Param +The threshold ratio of critical edges execution count that permit performing redundancy elimination after reload. + +-param=gcse-after-reload-partial-fraction= +Common Joined UInteger Var(param_gcse_after_reload_partial_fraction) Init(3) Param +The threshold ratio for performing partial redundancy elimination after reload. + +-param=gcse-cost-distance-ratio= +Common Joined UInteger Var(param_gcse_cost_distance_ratio) Init(10) Param +Scaling factor in calculation of maximum distance an expression can be moved by GCSE optimizations. + +-param=gcse-unrestricted-cost= +Common Joined UInteger Var(param_gcse_unrestricted_cost) Init(3) Param +Cost at which GCSE optimizations will not constraint the distance an expression can travel. + +-param=ggc-min-expand= +Common Joined UInteger Var(param_ggc_min_expand) Init(30) Param +Minimum heap expansion to trigger garbage collection, as a percentage of the total size of the heap. + +-param=ggc-min-heapsize= +Common Joined UInteger Var(param_ggc_min_heapsize) Init(4096) Param +Minimum heap size before we start collecting garbage, in kilobytes. + +-param=gimple-fe-computed-hot-bb-threshold= +Common Joined UInteger Var(param_gimple_fe_computed_hot_bb_threshold) Param +The number of executions of a basic block which is considered hot. The parameter is used only in GIMPLE FE. + +-param=graphite-allow-codegen-errors= +Common Joined UInteger Var(param_graphite_allow_codegen_errors) IntegerRange(0, 1) Param +Whether codegen errors should be ICEs when -fchecking. + +-param=graphite-max-arrays-per-scop= +Common Joined UInteger Var(param_graphite_max_arrays_per_scop) Init(100) Param +Maximum number of arrays per SCoP. + +-param=graphite-max-nb-scop-params= +Common Joined UInteger Var(param_graphite_max_nb_scop_params) Init(10) Param +Maximum number of parameters in a SCoP. + +-param=hash-table-verification-limit= +Common Joined UInteger Var(param_hash_table_verification_limit) Init(10) Param +The number of elements for which hash table verification is done for each searched element. + +-param=hot-bb-count-fraction= +Common Joined UInteger Var(param_hot_bb_count_fraction) Init(10000) Param +The denominator n of fraction 1/n of the maximal execution count of a basic block in the entire program that a basic block needs to at least have in order to be considered hot (used in non-LTO mode). + +-param=hot-bb-count-ws-permille= +Common Joined UInteger Var(param_hot_bb_count_ws_permille) Init(990) IntegerRange(0, 1000) Param +The number of most executed permilles of the profiled execution of the entire program to which the execution count of a basic block must be part of in order to be considered hot (used in LTO mode). + +-param=hot-bb-frequency-fraction= +Common Joined UInteger Var(param_hot_bb_frequency_fraction) Init(1000) Param +The denominator n of fraction 1/n of the execution frequency of the entry block of a function that a basic block of this function needs to at least have in order to be considered hot. + +-param=hsa-gen-debug-stores= +Common Joined UInteger Var(param_hsa_gen_debug_stores) IntegerRange(0, 1) Param +Level of hsa debug stores verbosity. + +-param=inline-heuristics-hint-percent= +Common Joined UInteger Var(param_inline_heuristics_hint_percent) Init(600) IntegerRange(100, 1000000) Param +The scale (in percents) applied to inline-insns-single and auto limits when heuristics hints that inlining is very profitable with -O3 and -Ofast. + +-param=inline-heuristics-hint-percent-O2= +Common Joined UInteger Var(param_inline_heuristics_hint_percent_o2) Init(200) IntegerRange(100, 1000000) Param +The scale (in percents) applied to inline-insns-single and auto limits when heuristics hints that inlining is very profitable. + +-param=inline-min-speedup= +Common Joined UInteger Var(param_inline_min_speedup) Init(15) IntegerRange(0, 100) Param +The minimal estimated speedup allowing inliner to ignore inline-insns-single and inline-insns-auto with -O3 and -Ofast. + +-param=inline-min-speedup-O2= +Common Joined UInteger Var(param_inline_min_speedup_o2) Init(30) IntegerRange(0, 100) Param +The minimal estimated speedup allowing inliner to ignore inline-insns-single and inline-insns-auto. + +-param=inline-unit-growth= +Common Joined UInteger Var(param_inline_unit_growth) Init(40) Param +How much can given compilation unit grow because of the inlining (in percent). + +-param=integer-share-limit= +Common Joined UInteger Var(param_integer_share_limit) Init(251) IntegerRange(2, 65536) Param +The upper bound for sharing integer constants. + +-param=ipa-cp-eval-threshold= +Common Joined UInteger Var(param_ipa_cp_eval_threshold) Init(500) Param +Threshold ipa-cp opportunity evaluation that is still considered beneficial to clone. + +-param=ipa-cp-loop-hint-bonus= +Common Joined UInteger Var(param_ipa_cp_loop_hint_bonus) Init(64) Param +Compile-time bonus IPA-CP assigns to candidates which make loop bounds or strides known. + +-param=ipa-cp-recursion-penalty= +Common Joined UInteger Var(param_ipa_cp_recursion_penalty) Init(40) IntegerRange(0, 100) Param +Percentage penalty the recursive functions will receive when they are evaluated for cloning. + +-param=ipa-cp-single-call-penalty= +Common Joined UInteger Var(param_ipa_cp_single_call_penalty) Init(15) IntegerRange(0, 100) Param +Percentage penalty functions containing a single call to another function will receive when they are evaluated for cloning. + +-param=ipa-cp-value-list-size= +Common Joined UInteger Var(param_ipa_cp_value_list_size) Init(8) Param +Maximum size of a list of values associated with each parameter for interprocedural constant propagation. + +-param=ipa-max-aa-steps= +Common Joined UInteger Var(param_ipa_max_aa_steps) Init(25000) Param +Maximum number of statements that will be visited by IPA formal parameter analysis based on alias analysis in any given function. + +-param=ipa-max-agg-items= +Common Joined UInteger Var(param_ipa_max_agg_items) Init(16) Param +Maximum number of aggregate content items for a parameter in jump functions and lattices. + +-param=ipa-max-param-expr-ops= +Common Joined UInteger Var(param_ipa_max_param_expr_ops) Init(10) Param +Maximum number of operations in a parameter expression that can be handled by IPA analysis. + +-param=ipa-max-switch-predicate-bounds= +Common Joined UInteger Var(param_ipa_max_switch_predicate_bounds) Init(5) Param +Maximal number of boundary endpoints of case ranges of switch statement used during IPA functoin summary generation. + +-param=ipa-sra-max-replacements= +Common Joined UInteger Var(param_ipa_sra_max_replacements) Init(8) IntegerRange(0, 16) Param +Maximum pieces that IPA-SRA tracks per formal parameter, as a consequence, also the maximum number of replacements of a formal parameter. + +-param=ipa-sra-ptr-growth-factor= +Common Joined UInteger Var(param_ipa_sra_ptr_growth_factor) Init(2) Param +Maximum allowed growth of number and total size of new parameters that ipa-sra replaces a pointer to an aggregate with. + +-param=ipcp-unit-growth= +Common Joined UInteger Var(param_ipcp_unit_growth) Init(10) Param +How much can given compilation unit grow because of the interprocedural constant propagation (in percent). + +-param=ira-loop-reserved-regs= +Common Joined UInteger Var(param_ira_loop_reserved_regs) Init(2) Param +The number of registers in each class kept unused by loop invariant motion. + +-param=ira-max-conflict-table-size= +Common Joined UInteger Var(param_ira_max_conflict_table_size) Init(1000) Param +Max size of conflict table in MB. + +-param=ira-max-loops-num= +Common Joined UInteger Var(param_ira_max_loops_num) Init(100) Param +Max loops number for regional RA. + +-param=iv-always-prune-cand-set-bound= +Common Joined UInteger Var(param_iv_always_prune_cand_set_bound) Init(10) Param +If number of candidates in the set is smaller, we always try to remove unused ivs during its optimization. + +-param=iv-consider-all-candidates-bound= +Common Joined UInteger Var(param_iv_consider_all_candidates_bound) Init(40) Param +Bound on number of candidates below that all candidates are considered in iv optimizations. + +-param=iv-max-considered-uses= +Common Joined UInteger Var(param_iv_max_considered_uses) Init(250) Param +Bound on number of iv uses in loop optimized in iv optimizations. + +-param=jump-table-max-growth-ratio-for-size= +Common Joined UInteger Var(param_jump_table_max_growth_ratio_for_size) Init(300) Param +The maximum code size growth ratio when expanding into a jump table (in percent). The parameter is used when optimizing for size. + +-param=jump-table-max-growth-ratio-for-speed= +Common Joined UInteger Var(param_jump_table_max_growth_ratio_for_speed) Init(800) Param +The maximum code size growth ratio when expanding into a jump table (in percent). The parameter is used when optimizing for speed. + +-param=l1-cache-line-size= +Common Joined UInteger Var(param_l1_cache_line_size) Init(32) Param +The size of L1 cache line. + +-param=l1-cache-size= +Common Joined UInteger Var(param_l1_cache_size) Init(64) Param +The size of L1 cache. + +-param=l2-cache-size= +Common Joined UInteger Var(param_l2_cache_size) Init(512) Param +The size of L2 cache. + +-param=large-function-growth= +Common Joined UInteger Var(param_large_function_growth) Init(100) Param +Maximal growth due to inlining of large function (in percent). + +-param=large-function-insns= +Common Joined UInteger Var(param_large_function_insns) Init(2700) Param +The size of function body to be considered large. + +-param=large-stack-frame= +Common Joined UInteger Var(param_large_stack_frame) Init(256) Param +The size of stack frame to be considered large. + +-param=large-stack-frame-growth= +Common Joined UInteger Var(param_stack_frame_growth) Init(1000) Param +Maximal stack frame growth due to inlining (in percent). + +-param=large-unit-insns= +Common Joined UInteger Var(param_large_unit_insns) Init(10000) Param +The size of translation unit to be considered large. + +-param=lim-expensive= +Common Joined UInteger Var(param_lim_expensive) Init(20) Param +The minimum cost of an expensive expression in the loop invariant motion. + +-param=logical-op-non-short-circuit= +Common Joined UInteger Var(param_logical_op_non_short_circuit) Init(-1) IntegerRange(-1, 1) Param +True if a non-short-circuit operation is optimal. + +-param=loop-block-tile-size= +Common Joined UInteger Var(param_loop_block_tile_size) Init(51) Param +Size of tiles for loop blocking. + +-param=loop-interchange-max-num-stmts= +Common Joined UInteger Var(param_loop_interchange_max_num_stmts) Init(64) Param +The maximum number of stmts in loop nest for loop interchange. + +-param=loop-interchange-stride-ratio= +Common Joined UInteger Var(param_loop_interchange_stride_ratio) Init(2) Param +The minimum stride ratio for loop interchange to be profitable. + +-param=loop-invariant-max-bbs-in-loop= +Common Joined UInteger Var(param_loop_invariant_max_bbs_in_loop) Init(10000) Param +Max basic blocks number in loop for loop invariant motion. + +-param=loop-max-datarefs-for-datadeps= +Common Joined UInteger Var(param_loop_max_datarefs_for_datadeps) Init(1000) Param +Maximum number of datarefs in loop for building loop data dependencies. + +-param=loop-versioning-max-inner-insns= +Common Joined UInteger Var(param_loop_versioning_max_inner_insns) Init(200) Param +The maximum number of instructions in an inner loop that is being considered for versioning. + +-param=loop-versioning-max-outer-insns= +Common Joined UInteger Var(param_loop_versioning_max_outer_insns) Init(100) Param +The maximum number of instructions in an outer loop that is being considered for versioning, on top of the instructions in inner loops. + +-param=lra-inheritance-ebb-probability-cutoff= +Common Joined UInteger Var(param_lra_inheritance_ebb_probability_cutoff) Init(40) IntegerRange(0, 100) Param +Minimal fall-through edge probability in percentage used to add BB to inheritance EBB in LRA. + +-param=lra-max-considered-reload-pseudos= +Common Joined UInteger Var(param_lra_max_considered_reload_pseudos) Init(500) Param +The max number of reload pseudos which are considered during spilling a non-reload pseudo. + +-param=lto-max-partition= +Common Joined UInteger Var(param_max_partition_size) Init(1000000) Param +Maximal size of a partition for LTO (in estimated instructions). + +-param=lto-max-streaming-parallelism= +Common Joined UInteger Var(param_max_lto_streaming_parallelism) Init(32) IntegerRange(1, 65536) Param +maximal number of LTO partitions streamed in parallel. + +-param=lto-min-partition= +Common Joined UInteger Var(param_min_partition_size) Init(10000) Param +Minimal size of a partition for LTO (in estimated instructions). + +-param=lto-partitions= +Common Joined UInteger Var(param_lto_partitions) Init(128) IntegerRange(1, 65536) Param +Number of partitions the program should be split to. + +-param=max-average-unrolled-insns= +Common Joined UInteger Var(param_max_average_unrolled_insns) Init(80) Param +The maximum number of instructions to consider to unroll in a loop on average. + +-param=max-combine-insns= +Common Joined UInteger Var(param_max_combine_insns) Init(4) IntegerRange(2, 4) Param +The maximum number of insns combine tries to combine. + +-param=max-completely-peel-loop-nest-depth= +Common Joined UInteger Var(param_max_unroll_iterations) Init(8) Param +The maximum depth of a loop nest we completely peel. + +-param=max-completely-peel-times= +Common Joined UInteger Var(param_max_completely_peel_times) Init(16) Param +The maximum number of peelings of a single loop that is peeled completely. + +-param=max-completely-peeled-insns= +Common Joined UInteger Var(param_max_completely_peeled_insns) Init(200) Param +The maximum number of insns of a completely peeled loop. + +-param=max-crossjump-edges= +Common Joined UInteger Var(param_max_crossjump_edges) Init(100) Param +The maximum number of incoming edges to consider for crossjumping. + +-param=max-cse-insns= +Common Joined UInteger Var(param_max_cse_insns) Init(1000) Param +The maximum instructions CSE process before flushing. + +-param=max-cse-path-length= +Common Joined UInteger Var(param_max_cse_path_length) Init(10) IntegerRange(1, 65536) Param +The maximum length of path considered in cse. + +-param=max-cselib-memory-locations= +Common Joined UInteger Var(param_max_cselib_memory_locations) Init(500) Param +The maximum memory locations recorded by cselib. + +-param=max-debug-marker-count= +Common Joined UInteger Var(param_max_debug_marker_count) Init(100000) Param +Max. count of debug markers to expand or inline. + +-param=max-delay-slot-insn-search= +Common Joined UInteger Var(param_max_delay_slot_insn_search) Init(100) Param +The maximum number of instructions to consider to fill a delay slot. + +-param=max-delay-slot-live-search= +Common Joined UInteger Var(param_max_delay_slot_live_search) Init(333) Param +The maximum number of instructions to consider to find accurate live register information. + +-param=max-dse-active-local-stores= +Common Joined UInteger Var(param_max_dse_active_local_stores) Init(5000) Param +Maximum number of active local stores in RTL dead store elimination. + +-param=max-early-inliner-iterations= +Common Joined UInteger Var(param_early_inliner_max_iterations) Init(1) Param +The maximum number of nested indirect inlining performed by early inliner. + +-param=max-fields-for-field-sensitive= +Common Joined UInteger Var(param_max_fields_for_field_sensitive) Param +Maximum number of fields in a structure before pointer analysis treats the structure as a single variable. + +-param=max-fsm-thread-length= +Common Joined UInteger Var(param_max_fsm_thread_length) Init(10) IntegerRange(1, 999999) Param +Maximum number of basic blocks on a finite state automaton jump thread path. + +-param=max-fsm-thread-path-insns= +Common Joined UInteger Var(param_max_fsm_thread_path_insns) Init(100) IntegerRange(1, 999999) Param +Maximum number of instructions to copy when duplicating blocks on a finite state automaton jump thread path. + +-param=max-fsm-thread-paths= +Common Joined UInteger Var(param_max_fsm_thread_paths) Init(50) IntegerRange(1, 999999) Param +Maximum number of new jump thread paths to create for a finite state automaton. + +-param=max-gcse-insertion-ratio= +Common Joined UInteger Var(param_max_gcse_insertion_ratio) Init(20) Param +The maximum ratio of insertions to deletions of expressions in GCSE. + +-param=max-gcse-memory= +Common Joined UInteger Var(param_max_gcse_memory) Init(134217728) Param +The maximum amount of memory to be allocated by GCSE. + +-param=max-goto-duplication-insns= +Common Joined UInteger Var(param_max_goto_duplication_insns) Init(8) Param +The maximum number of insns to duplicate when unfactoring computed gotos. + +-param=max-grow-copy-bb-insns= +Common Joined UInteger Var(param_max_grow_copy_bb_insns) Init(8) Param +The maximum expansion factor when copying basic blocks. + +-param=max-hoist-depth= +Common Joined UInteger Var(param_max_hoist_depth) Init(30) Param +Maximum depth of search in the dominator tree for expressions to hoist. + +-param=max-inline-insns-auto= +Common Joined UInteger Var(param_max_inline_insns_auto) Init(30) Param +The maximum number of instructions when automatically inlining with -O3 and -Ofast. + +-param=max-inline-insns-auto-O2= +Common Joined UInteger Var(param_max_inline_insns_auto_o2) Init(15) Param +The maximum number of instructions when automatically inlining. + +-param=max-inline-insns-recursive= +Common Joined UInteger Var(param_max_inline_insns_recursive) Init(450) Param +The maximum number of instructions inline function can grow to via recursive inlining. + +-param=max-inline-insns-recursive-auto= +Common Joined UInteger Var(param_max_inline_insns_recursive_auto) Init(450) Param +The maximum number of instructions non-inline function can grow to via recursive inlining. + +-param=max-inline-insns-single= +Common Joined UInteger Var(param_max_inline_insns_single) Init(200) Param +The maximum number of instructions in a single function eligible for inlining with -O3 and -Ofast. + +-param=max-inline-insns-single-O2= +Common Joined UInteger Var(param_max_inline_insns_single_o2) Init(30) Param +The maximum number of instructions in a single function eligible for inlining. + +-param=max-inline-insns-size= +Common Joined UInteger Var(param_max_inline_insns_size) Param +The maximum number of instructions when inlining for size. + +-param=max-inline-insns-small= +Common Joined UInteger Var(param_max_inline_insns_small) Param +The maximum number of instructions when automatically inlining small functions. + +-param=max-inline-recursive-depth= +Common Joined UInteger Var(param_max_inline_recursive_depth) Init(8) Param +The maximum depth of recursive inlining for inline functions. + +-param=max-inline-recursive-depth-auto= +Common Joined UInteger Var(param_max_inline_recursive_depth_auto) Init(8) Param +The maximum depth of recursive inlining for non-inline functions. + +-param=max-isl-operations= +Common Joined UInteger Var(param_max_isl_operations) Init(350000) Param +Maximum number of isl operations, 0 means unlimited. + +-param=max-iterations-computation-cost= +Common Joined UInteger Var(param_max_iterations_computation_cost) Init(10) Param +Bound on the cost of an expression to compute the number of iterations. + +-param=max-iterations-to-track= +Common Joined UInteger Var(param_max_iterations_to_track) Init(1000) Param +Bound on the number of iterations the brute force # of iterations analysis algorithm evaluates. + +-param=max-jump-thread-duplication-stmts= +Common Joined UInteger Var(param_max_jump_thread_duplication_stmts) Init(15) Param +Maximum number of statements allowed in a block that needs to be duplicated when threading jumps. + +-param=max-last-value-rtl= +Common Joined UInteger Var(param_max_last_value_rtl) Init(10000) Param +The maximum number of RTL nodes that can be recorded as combiner's last value. + +-param=max-loop-header-insns= +Common Joined UInteger Var(param_max_loop_header_insns) Init(20) Param +The maximum number of insns in loop header duplicated by the copy loop headers pass. + +-param=max-modulo-backtrack-attempts= +Common Joined UInteger Var(param_max_modulo_backtrack_attempts) Init(40) Param +The maximum number of backtrack attempts the scheduler should make when modulo scheduling a loop. + +-param=max-partial-antic-length= +Common Joined UInteger Var(param_max_partial_antic_length) Init(100) Param +Maximum length of partial antic set when performing tree pre optimization. + +-param=max-peel-branches= +Common Joined UInteger Var(param_max_peel_branches) Init(32) Param +The maximum number of branches on the path through the peeled sequence. + +-param=max-peel-times= +Common Joined UInteger Var(param_max_peel_times) Init(16) Param +The maximum number of peelings of a single loop. + +-param=max-peeled-insns= +Common Joined UInteger Var(param_max_peeled_insns) Init(100) Param +The maximum number of insns of a peeled loop. + +-param=max-pending-list-length= +Common Joined UInteger Var(param_max_pending_list_length) Init(32) Param +The maximum length of scheduling's pending operations list. + +-param=max-pipeline-region-blocks= +Common Joined UInteger Var(param_max_pipeline_region_blocks) Init(15) Param +The maximum number of blocks in a region to be considered for interblock scheduling. + +-param=max-pipeline-region-insns= +Common Joined UInteger Var(param_max_pipeline_region_insns) Init(200) Param +The maximum number of insns in a region to be considered for interblock scheduling. + +-param=max-pow-sqrt-depth= +Common Joined UInteger Var(param_max_pow_sqrt_depth) Init(5) IntegerRange(1, 32) Param +Maximum depth of sqrt chains to use when synthesizing exponentiation by a real constant. + +-param=max-predicted-iterations= +Common Joined UInteger Var(param_max_predicted_iterations) Init(100) Param +The maximum number of loop iterations we predict statically. + +-param=max-reload-search-insns= +Common Joined UInteger Var(param_max_reload_search_insns) Init(100) Param +The maximum number of instructions to search backward when looking for equivalent reload. + +-param=max-rtl-if-conversion-insns= +Common Joined UInteger Var(param_max_rtl_if_conversion_insns) Init(10) IntegerRange(0, 99) Param +Maximum number of insns in a basic block to consider for RTL if-conversion. + +-param=max-rtl-if-conversion-predictable-cost= +Common Joined UInteger Var(param_max_rtl_if_conversion_predictable_cost) Init(20) IntegerRange(0, 200) Param +Maximum permissible cost for the sequence that would be generated by the RTL if-conversion pass for a branch that is considered predictable. + +-param=max-rtl-if-conversion-unpredictable-cost= +Common Joined UInteger Var(param_max_rtl_if_conversion_unpredictable_cost) Init(40) IntegerRange(0, 200) Param +Maximum permissible cost for the sequence that would be generated by the RTL if-conversion pass for a branch that is considered unpredictable. + +-param=max-sched-extend-regions-iters= +Common Joined UInteger Var(param_max_sched_extend_regions_iters) Param +The maximum number of iterations through CFG to extend regions. + +-param=max-sched-insn-conflict-delay= +Common Joined UInteger Var(param_max_sched_insn_conflict_delay) Init(3) IntegerRange(1, 10) Param +The maximum conflict delay for an insn to be considered for speculative motion. + +-param=max-sched-ready-insns= +Common Joined UInteger Var(param_max_sched_ready_insns) Init(100) IntegerRange(1, 65536) Param +The maximum number of instructions ready to be issued to be considered by the scheduler during the first scheduling pass. + +-param=max-sched-region-blocks= +Common Joined UInteger Var(param_max_sched_region_blocks) Init(10) Param +The maximum number of blocks in a region to be considered for interblock scheduling. + +-param=max-sched-region-insns= +Common Joined UInteger Var(param_max_sched_region_insns) Init(100) Param +The maximum number of insns in a region to be considered for interblock scheduling. + +-param=max-slsr-cand-scan= +Common Joined UInteger Var(param_max_slsr_candidate_scan) Init(50) IntegerRange(1, 999999) Param +Maximum length of candidate scans for straight-line strength reduction. + +-param=max-speculative-devirt-maydefs= +Common Joined UInteger Var(param_max_speculative_devirt_maydefs) Init(50) Param +Maximum number of may-defs visited when devirtualizing speculatively. + +-param=max-ssa-name-query-depth= +Common Joined UInteger Var(param_max_ssa_name_query_depth) Init(3) IntegerRange(1, 10) Param +Maximum recursion depth allowed when querying a property of an SSA name. + +-param=max-stores-to-merge= +Common Joined UInteger Var(param_max_stores_to_merge) Init(64) IntegerRange(2, 65536) Param +Maximum number of constant stores to merge in the store merging pass. + +-param=max-stores-to-sink= +Common Joined UInteger Var(param_max_stores_to_sink) Init(2) Param +Maximum number of conditional store pairs that can be sunk. + +-param=max-tail-merge-comparisons= +Common Joined UInteger Var(param_max_tail_merge_comparisons) Init(10) Param +Maximum amount of similar bbs to compare a bb with. + +-param=max-tail-merge-iterations= +Common Joined UInteger Var(param_max_tail_merge_iterations) Init(2) Param +Maximum amount of iterations of the pass over a function. + +-param=max-tracked-strlens= +Common Joined UInteger Var(param_max_tracked_strlens) Init(10000) Param +Maximum number of strings for which strlen optimization pass will track string lengths. + +-param=max-tree-if-conversion-phi-args= +Common Joined UInteger Var(param_max_tree_if_conversion_phi_args) Init(4) IntegerRange(2, 65536) Param +Maximum number of arguments in a PHI supported by TREE if-conversion unless the loop is marked with simd pragma. + +-param=max-unroll-times= +Common Joined UInteger Var(param_max_unroll_times) Init(8) Param +The maximum number of unrollings of a single loop. + +-param=max-unrolled-insns= +Common Joined UInteger Var(param_max_unrolled_insns) Init(200) Param +The maximum number of instructions to consider to unroll in a loop. + +-param=max-unswitch-insns= +Common Joined UInteger Var(param_max_unswitch_insns) Init(50) Param +The maximum number of insns of an unswitched loop. + +-param=max-unswitch-level= +Common Joined UInteger Var(param_max_unswitch_level) Init(3) Param +The maximum number of unswitchings in a single loop. + +-param=max-variable-expansions-in-unroller= +Common Joined UInteger Var(param_max_variable_expansions) Init(1) Param +If -fvariable-expansion-in-unroller is used, the maximum number of times that an individual variable will be expanded during loop unrolling. + +-param=max-vartrack-expr-depth= +Common Joined UInteger Var(param_max_vartrack_expr_depth) Init(12) Param +Max. recursion depth for expanding var tracking expressions. + +-param=max-vartrack-reverse-op-size= +Common Joined UInteger Var(param_max_vartrack_reverse_op_size) Init(50) Param +Max. size of loc list for which reverse ops should be added. + +-param=max-vartrack-size= +Common Joined UInteger Var(param_max_vartrack_size) Init(50000000) Param +Max. size of var tracking hash tables. + +-param=max-vrp-switch-assertions= +Common Joined UInteger Var(param_max_vrp_switch_assertions) Init(10) Param +Maximum number of assertions to add along the default edge of a switch statement during VRP. + +-param=min-crossjump-insns= +Common Joined UInteger Var(param_min_crossjump_insns) Init(5) IntegerRange(1, 65536) Param +The minimum number of matching instructions to consider for crossjumping. + +-param=min-inline-recursive-probability= +Common Joined UInteger Var(param_min_inline_recursive_probability) Init(10) Param +Inline recursively only when the probability of call being executed exceeds the parameter. + +-param=min-insn-to-prefetch-ratio= +Common Joined UInteger Var(param_min_insn_to_prefetch_ratio) Init(9) Param +Min. ratio of insns to prefetches to enable prefetching for a loop with an unknown trip count. + +-param=min-loop-cond-split-prob= +Common Joined UInteger Var(param_min_loop_cond_split_prob) Init(30) IntegerRange(0, 100) Param +The minimum threshold for probability of semi-invariant condition statement to trigger loop split. + +-param=min-nondebug-insn-uid= +Common Joined UInteger Var(param_min_nondebug_insn_uid) Param +The minimum UID to be used for a nondebug insn. + +-param=min-size-for-stack-sharing= +Common Joined UInteger Var(param_min_size_for_stack_sharing) Init(32) Param +The minimum size of variables taking part in stack slot sharing when not optimizing. + +-param=min-spec-prob= +Common Joined UInteger Var(param_min_spec_prob) Init(40) Param +The minimum probability of reaching a source block for interblock speculative scheduling. + +-param=min-vect-loop-bound= +Common Joined UInteger Var(param_min_vect_loop_bound) Param +If -ftree-vectorize is used, the minimal loop bound of a loop to be considered for vectorization. + +-param=parloops-chunk-size= +Common Joined UInteger Var(param_parloops_chunk_size) Param +Chunk size of omp schedule for loops parallelized by parloops. + +-param=parloops-min-per-thread= +Common Joined UInteger Var(param_parloops_min_per_thread) Init(100) IntegerRange(2, 65536) Param +Minimum number of iterations per thread of an innermost parallelized loop. + +-param=parloops-schedule= +Common Joined Var(param_parloops_schedule) Enum(parloops_schedule_type) Param +--param=parloops-schedule=[static|dynamic|guided|auto|runtime] Schedule type of omp schedule for loops parallelized by parloops. + +Enum +Name(parloops_schedule_type) Type(int) + +EnumValue +Enum(parloops_schedule_type) String(static) Value(PARLOOPS_SCHEDULE_STATIC) + +EnumValue +Enum(parloops_schedule_type) String(dynamic) Value(PARLOOPS_SCHEDULE_DYNAMIC) + +EnumValue +Enum(parloops_schedule_type) String(guided) Value(PARLOOPS_SCHEDULE_GUIDED) + +EnumValue +Enum(parloops_schedule_type) String(auto) Value(PARLOOPS_SCHEDULE_AUTO) + +EnumValue +Enum(parloops_schedule_type) String(runtime) Value(PARLOOPS_SCHEDULE_RUNTIME) + +-param=partial-inlining-entry-probability= +Common Joined UInteger Var(param_partial_inlining_entry_probability) Init(70) IntegerRange(0, 100) Param +Maximum probability of the entry BB of split region (in percent relative to entry BB of the function) to make partial inlining happen. + +-param=predictable-branch-outcome= +Common Joined UInteger Var(param_predictable_branch_outcome) Init(2) IntegerRange(0, 50) Param +Maximal estimated outcome of branch considered predictable. + +-param=prefetch-dynamic-strides= +Common Joined UInteger Var(param_prefetch_dynamic_strides) Init(1) IntegerRange(0, 1) Param +Whether software prefetch hints should be issued for non-constant strides. + +-param=prefetch-latency= +Common Joined UInteger Var(param_prefetch_latency) Init(200) Param +The number of insns executed before prefetch is completed. + +-param=prefetch-min-insn-to-mem-ratio= +Common Joined UInteger Var(param_prefetch_min_insn_to_mem_ratio) Init(3) Param +Min. ratio of insns to mem ops to enable prefetching in a loop. + +-param=prefetch-minimum-stride= +Common Joined UInteger Var(param_prefetch_minimum_stride) Init(-1) Param +The minimum constant stride beyond which we should use prefetch hints for. + +-param=profile-func-internal-id= +Common Joined UInteger Var(param_profile_func_internal_id) IntegerRange(0, 1) Param +Use internal function id in profile lookup. + +-param=rpo-vn-max-loop-depth= +Common Joined UInteger Var(param_rpo_vn_max_loop_depth) Init(7) IntegerRange(2, 65536) Param +Maximum depth of a loop nest to fully value-number optimistically. + +-param=sccvn-max-alias-queries-per-access= +Common Joined UInteger Var(param_sccvn_max_alias_queries_per_access) Init(1000) Param +Maximum number of disambiguations to perform per memory access. + +-param=scev-max-expr-complexity= +Common Joined UInteger Var(param_scev_max_expr_complexity) Init(10) Param +Bound on the complexity of the expressions in the scalar evolutions analyzer. + +-param=scev-max-expr-size= +Common Joined UInteger Var(param_scev_max_expr_size) Init(100) Param +Bound on size of expressions used in the scalar evolutions analyzer. + +-param=sched-autopref-queue-depth= +Common Joined UInteger Var(param_sched_autopref_queue_depth) Init(-1) Param +Hardware autoprefetcher scheduler model control flag. Number of lookahead cycles the model looks into, at '0' only enable instruction sorting heuristic. Disabled by default. + +-param=sched-mem-true-dep-cost= +Common Joined UInteger Var(param_sched_mem_true_dep_cost) Init(1) Param +Minimal distance between possibly conflicting store and load. + +-param=sched-pressure-algorithm= +Common Joined UInteger Var(param_sched_pressure_algorithm) Init(1) IntegerRange(1, 2) Param +Which -fsched-pressure algorithm to apply. + +-param=sched-spec-prob-cutoff= +Common Joined UInteger Var(param_sched_spec_prob_cutoff) Init(40) IntegerRange(0, 100) Param +The minimal probability of speculation success (in percents), so that speculative insn will be scheduled. + +-param=sched-state-edge-prob-cutoff= +Common Joined UInteger Var(param_sched_state_edge_prob_cutoff) Init(10) IntegerRange(0, 100) Param +The minimum probability an edge must have for the scheduler to save its state across it. + +-param=selsched-insns-to-rename= +Common Joined UInteger Var(param_selsched_insns_to_rename) Init(2) Param +Maximum number of instructions in the ready list that are considered eligible for renaming. + +-param=selsched-max-lookahead= +Common Joined UInteger Var(param_selsched_max_lookahead) Init(50) Param +The maximum size of the lookahead window of selective scheduling. + +-param=selsched-max-sched-times= +Common Joined UInteger Var(param_selsched_max_sched_times) Init(2) IntegerRange(1, 65536) Param +Maximum number of times that an insn could be scheduled. + +-param=simultaneous-prefetches= +Common Joined UInteger Var(param_simultaneous_prefetches) Init(3) Param +The number of prefetches that can run at the same time. + +-param=sink-frequency-threshold= +Common Joined UInteger Var(param_sink_frequency_threshold) Init(75) IntegerRange(0, 100) Param +Target block's relative execution frequency (as a percentage) required to sink a statement. + +-param=slp-max-insns-in-bb= +Common Joined UInteger Var(param_slp_max_insns_in_bb) Init(1000) Param +Maximum number of instructions in basic block to be considered for SLP vectorization. + +-param=sms-dfa-history= +Common Joined UInteger Var(param_sms_dfa_history) Param +The number of cycles the swing modulo scheduler considers when checking conflicts using DFA. + +-param=sms-loop-average-count-threshold= +Common Joined UInteger Var(param_sms_loop_average_count_threshold) Param +A threshold on the average loop count considered by the swing modulo scheduler. + +-param=sms-max-ii-factor= +Common Joined UInteger Var(param_sms_max_ii_factor) Init(100) Param +A factor for tuning the upper bound that swing modulo scheduler uses for scheduling a loop. + +-param=sms-min-sc= +Common Joined UInteger Var(param_sms_min_sc) Init(2) IntegerRange(1, 65536) Param +The minimum value of stage count that swing modulo scheduler will generate. + +-param=sra-max-scalarization-size-Osize= +Common Joined UInteger Var(param_sra_max_scalarization_size_size) Param +Maximum size, in storage units, of an aggregate which should be considered for scalarization when compiling for size. + +-param=sra-max-scalarization-size-Ospeed= +Common Joined UInteger Var(param_sra_max_scalarization_size_speed) Param +Maximum size, in storage units, of an aggregate which should be considered for scalarization when compiling for speed. + +-param=ssa-name-def-chain-limit= +Common Joined UInteger Var(param_ssa_name_def_chain_limit) Init(512) Param +The maximum number of SSA_NAME assignments to follow in determining a value. + +-param=ssp-buffer-size= +Common Joined UInteger Var(param_ssp_buffer_size) Init(8) IntegerRange(1, 65536) Param +The lower bound for a buffer to be considered for stack smashing protection. + +-param=stack-clash-protection-guard-size= +Common Joined UInteger Var(param_stack_clash_protection_guard_size) Init(12) IntegerRange(12, 30) Param +Size of the stack guard expressed as a power of two in bytes. + +-param=stack-clash-protection-probe-interval= +Common Joined UInteger Var(param_stack_clash_protection_probe_interval) Init(12) IntegerRange(10, 16) Param +Interval in which to probe the stack expressed as a power of two in bytes. + +-param=store-merging-allow-unaligned= +Common Joined UInteger Var(param_store_merging_allow_unaligned) Init(1) IntegerRange(0, 1) Param +Allow the store merging pass to introduce unaligned stores if it is legal to do so. + +-param=store-merging-max-size= +Common Joined UInteger Var(param_store_merging_max_size) Init(65536) IntegerRange(1, 65536) Param +Maximum size of a single store merging region in bytes. + +-param=switch-conversion-max-branch-ratio= +Common Joined UInteger Var(param_switch_conversion_branch_ratio) Init(8) IntegerRange(1, 65536) Param +The maximum ratio between array size and switch branches for a switch conversion to take place. + +-param=tm-max-aggregate-size= +Common Joined UInteger Var(param_tm_max_aggregate_size) Init(9) Param +Size in bytes after which thread-local aggregates should be instrumented with the logging functions instead of save/restore pairs. + +-param=tracer-dynamic-coverage= +Common Joined UInteger Var(param_tracer_dynamic_coverage) Init(75) IntegerRange(0, 100) Param +The percentage of function, weighted by execution frequency, that must be covered by trace formation. Used when profile feedback is not available. + +-param=tracer-dynamic-coverage-feedback= +Common Joined UInteger Var(param_tracer_dynamic_coverage_feedback) Init(95) IntegerRange(0, 100) Param +The percentage of function, weighted by execution frequency, that must be covered by trace formation. Used when profile feedback is available. + +-param=tracer-max-code-growth= +Common Joined UInteger Var(param_tracer_max_code_growth) Init(100) Param +Maximal code growth caused by tail duplication (in percent). + +-param=tracer-min-branch-probability= +Common Joined UInteger Var(param_tracer_min_branch_probability) Init(50) IntegerRange(0, 100) Param +Stop forward growth if the probability of best edge is less than this threshold (in percent). Used when profile feedback is not available. + +-param=tracer-min-branch-probability-feedback= +Common Joined UInteger Var(param_tracer_min_branch_probability_feedback) Init(80) IntegerRange(0, 100) Param +Stop forward growth if the probability of best edge is less than this threshold (in percent). Used when profile feedback is available. + +-param=tracer-min-branch-ratio= +Common Joined UInteger Var(param_tracer_min_branch_ratio) Init(10) IntegerRange(0, 100) Param +Stop reverse growth if the reverse probability of best edge is less than this threshold (in percent). + +-param=tree-reassoc-width= +Common Joined UInteger Var(param_tree_reassoc_width) Param +Set the maximum number of instructions executed in parallel in reassociated tree. If 0, use the target dependent heuristic. + +-param=uninit-control-dep-attempts= +Common Joined UInteger Var(param_uninit_control_dep_attempts) Init(1000) IntegerRange(1, 65536) Param +Maximum number of nested calls to search for control dependencies during uninitialized variable analysis. + +-param=uninlined-function-insns= +Common Joined UInteger Var(param_uninlined_function_insns) Init(2) IntegerRange(0, 1000000) Param +Instruction accounted for function prologue, epilogue and other overhead. + +-param=uninlined-function-time= +Common Joined UInteger Var(param_uninlined_function_time) IntegerRange(0, 1000000) Param +Time accounted for function prologue, epilogue and other overhead. + +-param=uninlined-thunk-insns= +Common Joined UInteger Var(param_uninlined_function_thunk_insns) Init(2) IntegerRange(0, 1000000) Param +Instruction accounted for function thunk overhead. + +-param=uninlined-thunk-time= +Common Joined UInteger Var(param_uninlined_function_thunk_time) Init(2) IntegerRange(0, 1000000) Param +Time accounted for function thunk overhead. + +-param=unlikely-bb-count-fraction= +Common Joined UInteger Var(param_unlikely_bb_count_fraction) Init(20) Param +The denominator n of fraction 1/n of the number of profiled runs of the entire program below which the execution count of a basic block must be in order for the basic block to be considered unlikely. + +-param=unroll-jam-max-unroll= +Common Joined UInteger Var(param_unroll_jam_max_unroll) Init(4) Param +Maximum unroll factor for the unroll-and-jam transformation. + +-param=unroll-jam-min-percent= +Common Joined UInteger Var(param_unroll_jam_min_percent) Init(1) IntegerRange(0, 100) Param +Minimum percentage of memrefs that must go away for unroll-and-jam to be considered profitable. + +-param=use-after-scope-direct-emission-threshold= +Common Joined UInteger Var(param_use_after_scope_direct_emission_threshold) Init(256) Param +Use direct poisoning/unpoisoning instructions for variables smaller or equal to this number. + +-param=use-canonical-types= +Common Joined UInteger Var(param_use_canonical_types) Init(1) IntegerRange(0, 1) Param +Whether to use canonical types. + +-param=vect-epilogues-nomask= +Common Joined UInteger Var(param_vect_epilogues_nomask) Init(1) IntegerRange(0, 1) Param +Enable loop epilogue vectorization using smaller vector size. + +-param=vect-max-peeling-for-alignment= +Common Joined UInteger Var(param_vect_max_peeling_for_alignment) Init(-1) IntegerRange(-1, 64) Param +Maximum number of loop peels to enhance alignment of data references in a loop. + +-param=vect-max-version-for-alias-checks= +Common Joined UInteger Var(param_vect_max_version_for_alias_checks) Init(10) Param +Bound on number of runtime checks inserted by the vectorizer's loop versioning for alias check. + +-param=vect-max-version-for-alignment-checks= +Common Joined UInteger Var(param_vect_max_version_for_alignment_checks) Init(6) Param +Bound on number of runtime checks inserted by the vectorizer's loop versioning for alignment check. + +; This comment is to ensure we retain the blank line above. -- 2.30.2