Lines Matching refs:Perform
3804 Perform early inlining -felide-constructors -feliminate-dwarf2-dups -femit-class-debug-always -femit-class-file Output a class file -femit-class-files Alias for -femit-class-file -femit-function-names -femit-struct-debug-baseonly -femit-struct-debug-detailed= -femit-struct-debug-reduced -fenable- -fenable-assertions -fenable-assertions= -fencoding= -fenforce-eh-specs -fenum-int-equiv -fexceptions Enable exception handling -fexcess-precision= -fexec-charset= -fexpensive-optimizations -fext-numeric-literals -fextdirs= -fextended-identifiers -fextern-tls-init -fexternal-blas -fexternal-templates -ff2c Use f2c calling convention -ffast-math -ffat-lto-objects -ffilelist-file -ffinite-math-only -ffixed- -ffixed-form -ffixed-line-length- -ffixed-line-length-none -ffloat-store -ffor-scope -fforce-addr -fforce-classes-archive-check -fforward-propagate -ffp-contract= -ffpe-summary= -ffpe-trap= -ffree-form -ffree-line-length- -ffree-line-length-none -ffreestanding -ffriend-injection -ffrontend-optimize Enable front end optimization -ffunction-attribute-list= -ffunction-cse -ffunction-sections -fgcse -fgcse-after-reload -fgcse-las -fgcse-lm -fgcse-sm -fgnu-keywords -fgnu-runtime -fgnu-tm -fgnu-unique -fgnu89-inline -fgo-check-divide-overflow -fgo-check-divide-zero -fgo-dump- -fgo-optimize- -fgo-pkgpath= -fgo-prefix= -fgo-relative-import-path= -fgraphite -fgraphite-identity -fguess-branch-probability -fguiding-decls -fhandle-exceptions -fhash-synchronization -fhelp -fhelp= -fhoist-adjacent-loads -fhonor-std -fhosted -fhuge-objects -fident Process #ident directives -fif-conversion -fif-conversion2 -fimplement-inlines -fimplicit-inline-templates -fimplicit-none -fimplicit-templates -findirect-classes -findirect-dispatch -findirect-inlining Perform indirect inlining -finhibit-size-directive -finit-character= -finit-integer= -finit-local-zero -finit-logical= -finit-real= -finline -finline-atomics -finline-functions -finline-limit- -finline-limit= -finline-small-functions -finput-charset= -finstrument-functions -finteger-4-integer-8 -fintrinsic-modules-path -fintrinsic-modules-path= -fipa-cp -fipa-cp-clone -fipa-matrix-reorg -fipa-profile -fipa-pta -fipa-pure-const -fipa-reference -fipa-sra -fipa-struct-reorg -fira-algorithm= -fira-hoist-pressure -fira-loop-pressure -fira-region= -fira-share-save-slots -fira-share-spill-slots -fira-verbose= -fivopts -fjni -fjump-tables -fkeep-inline-dllexport -fkeep-inline-functions -fkeep-static-consts -flabels-ok -flax-vector-conversions -fleading-underscore -flifetime-dse -flive-range-shrinkage -floop-block -floop-flatten -floop-interchange -floop-nest-optimize -floop-optimize -floop-parallelize-all Mark all loops as parallel -floop-strip-mine -flto -flto-compression-level= -flto-partition=1to1 -flto-partition=balanced -flto-partition=max -flto-partition=none -flto-report -flto-report-wpa -flto= -fltrans -fltrans-output-list= -fmain= -fmath-errno -fmax-array-constructor= -fmax-errors= -fmax-identifier-length= -fmax-stack-var-size= -fmax-subrecord-length= -fmem-report -fmem-report-wpa -fmerge-all-constants -fmerge-constants -fmerge-debug-strings -fmessage-length= -fmodule-private -fmodulo-sched -fmodulo-sched-allow-regmoves -fmove-loop-invariants -fms-extensions -fmudflap -fmudflapir -fmudflapth -fname-mangling-version- -fnew-abi -fnext-runtime -fnil-receivers -fno-vect-cost-model -fnon-call-exceptions -fnonansi-builtins -fnonnull-objects -fnothrow-opt -fobjc-abi-version= -fobjc-call-cxx-cdtors -fobjc-direct-dispatch -fobjc-exceptions -fobjc-gc -fobjc-nilcheck -fobjc-sjlj-exceptions -fobjc-std=objc1 -fomit-frame-pointer -fopenmp -fopenmp-simd -foperator-names -fopt-info -fopt-info- -foptimize-register-move -foptimize-sibling-calls -foptimize-strlen -foptional-diags -foutput-class-dir= -fpack-derived -fpack-struct -fpack-struct= -fpartial-inlining Perform partial inlining -fpcc-struct-return -fpch-deps -fpch-preprocess -fpeel-codesize-limit -fpeel-loops Perform loop peeling -fpeephole -fpeephole2 -fpermissive -fpic -fpie -fplan9-extensions -fplt -fplugin-arg- -fplugin= Specify a plugin to load -fpost-ipa-mem-report -fpre-ipa-mem-report -fpredictive-commoning -fprefetch-loop-arrays -fpreprocessed -fpretty-templates -fprofile -fprofile-arcs -fprofile-correction -fprofile-dir= -fprofile-dump -fprofile-generate -fprofile-generate-atomic= -fprofile-generate-buildinfo= -fprofile-generate-sampling -fprofile-generate= -fprofile-reorder-functions -fprofile-report -fprofile-strip= -fprofile-use -fprofile-use= -fprofile-values -fprotect-parens -frandom-seed -frandom-seed= -frange-check -freal-4-real-10 -freal-4-real-16 -freal-4-real-8 -freal-8-real-10 -freal-8-real-16 -freal-8-real-4 -frealloc-lhs -freciprocal-math -frecord-gcc-switches -frecord-marker=4 -frecord-marker=8 -frecursive -freduced-reflection -free -freg-struct-return -fregmove -frename-registers -freorder-blocks -freorder-functions -freorder-functions= -frepack-arrays -freplace-objc-classes -frepo -frequire-return-statement -frerun-cse-after-loop -frerun-loop-opt -fresolution= The resolution file -fripa -fripa-allow-debug -fripa-disallow-asm-modules -fripa-disallow-opt-mismatch -fripa-inc-path-sub= -frounding-math -frtti -fsanitize-coverage=trace-pc -fsanitize= Select what to sanitize -fsaw-java-file -fsched-dep-count-heuristic -fsched-group-heuristic -fsched-interblock -fsched-last-insn-heuristic -fsched-pressure -fsched-rank-heuristic -fsched-spec -fsched-spec-insn-heuristic -fsched-spec-load -fsched-spec-load-dangerous -fsched-stalled-insns -fsched-stalled-insns-dep -fsched-stalled-insns-dep= -fsched-stalled-insns= -fsched-verbose= -fsched2-use-superblocks -fsched2-use-traces -fschedule-insns -fschedule-insns2 -fsecond-underscore -fsection-anchors -fsee -fsel-sched-pipelining -fselective-scheduling -fselective-scheduling2 -fshort-double -fshort-enums -fshort-wchar -fshow-column -fshrink-wrap -fshrink-wrap-frame-pointer -fsign-zero -fsignaling-nans -fsigned-bitfields -fsigned-char Make "char" signed by default -fsigned-zeros -fsimd-cost-model= -fsingle-precision-constant -fsized-delete -fsource-filename= -fsource= -fsplit-ivs-in-unroller -fsplit-stack -fsplit-wide-types -fsquangle -fstack-arrays -fstack-check -fstack-check= -fstack-limit -fstack-limit-register= -fstack-limit-symbol= -fstack-protector -fstack-protector-all -fstack-protector-strong -fstack-reuse= -fstack-usage -fstats -fstore-check -fstrength-reduce -fstrict-aliasing -fstrict-enum-precision -fstrict-enums -fstrict-overflow -fstrict-prototype -fstrict-volatile-bitfields -fsync-libcalls -fsyntax-only -ftabstop= -ftarget-help -ftarget= Set the target VM version -ftemplate-backtrace-limit= -ftemplate-depth- -ftemplate-depth= -ftest-coverage -fthis-is-variable -fthread-jumps -fthreadsafe-statics -ftime-report -ftls-model= -ftoplevel-reorder -ftracer -ftrack-macro-expansion -ftrack-macro-expansion= -ftrapping-math -ftrapv -ftree-bit-ccp -ftree-builtin-call-dce -ftree-ccp -ftree-ch -ftree-coalesce-inlined-vars -ftree-coalesce-vars -ftree-copy-prop -ftree-copyrename -ftree-cselim -ftree-dce -ftree-dominator-opts -ftree-dse Enable dead store elimination -ftree-forwprop -ftree-fre -ftree-loop-distribution -ftree-loop-if-convert -ftree-loop-if-convert-stores -ftree-loop-im -ftree-loop-ivcanon -ftree-loop-linear -ftree-loop-optimize -ftree-loop-vectorize -ftree-lrs -ftree-parallelize-loops= -ftree-partial-pre -ftree-phiprop -ftree-pre -ftree-pta -ftree-reassoc -ftree-salias -ftree-scev-cprop -ftree-sink -ftree-slp-vectorize -ftree-slsr -ftree-sra -ftree-store-ccp -ftree-store-copy-prop -ftree-switch-conversion -ftree-tail-merge Enable tail merging on trees -ftree-ter -ftree-vect-loop-version -ftree-vectorize Enable vectorization on trees -ftree-vectorizer-verbose= -ftree-vrp -ftwo-level-all-subprogs -ftwo-level-line-tables -funderscoring -funit-at-a-time -funroll-all-loops -funroll-codesize-limit -funroll-loops -funsafe-loop-optimizations -funsafe-math-optimizations -funsigned-bitfields -funsigned-char -funswitch-loops Perform loop unswitching -funwind-tables -fuse-atomic-builtins -fuse-boehm-gc -fuse-cxa-atexit -fuse-cxa-get-exception-ptr -fuse-divide-subroutine -fuse-ld=bfd -fuse-ld=gold -fuse-ld=mcld -fuse-linker-plugin -fvar-tracking Perform
3918 perform per memory access Max loops number for regional RA Max size of conflict table in MB The number of registers in each class kept unused by loop invariant motion lra-max-considered-reload-pseudos The max number of reload pseudos which are considered during spilling a non-reload pseudo switch-conversion-max-branch-ratio The maximum ratio between array size and switch branches for a switch conversion to take place size of tiles for loop blocking maximum number of parameters in a SCoP maximum number of basic blocks per function to be analyzed by Graphite loop-max-datarefs-for-datadeps Maximum number of datarefs in loop for building loop data dependencies loop-invariant-max-bbs-in-loop Max basic blocks number in loop for loop invariant motion icall-promote-target-percent-threshold percentage threshold for direct call promotion of a callee target icall-promote-target_count-threshold call count threshold for direct call promotion of a callee target force inline indirect call target when promoted use internal function id in profile lookup use hotness based heuristics to match inliner don't import aux files if memory consumption exceeds this value The cutoff value of cumulative profile count. The value is between0-99. 100 is reserved as a special value indicating default cutoffwhich is set at runtime. When the parameter is used and if its valueis not 100, it overrides the dafault as well as the value set by the enviornment variable In LIPO profile gen compilation, do not generate direct call profiling to functions marked with __attribute__((section(...))Those functions can not be inlined so there is no point trackingthem. random seed value used in random group testing In LIPO random group testing, this parameter is used to set max group size. The default value is 0 which is treated specially and specifies no random grouping. The scale factor to propagate callee module group's weight to the caller. Algorithm 0 uses the eager propagation algorithm.Algorithm 1 uses the inclusion_based priority algorithm.The default algorithm is 1. Default is 0 which not merge.If the value is 1, merge the edges. 0: force strict inclusion; 1: weak inclusion.Default is 0. Algorithm 0 performs no fixup.Algorithm 1 fixes up only indirect call profile targets.Algorithm 2 fixes up only missing counters.Algorithm 3 (1|2) fixes up both.The default algorithm is 3. Default is 1. If the value is 0, dumping is disabled. Default is 0. If the value is 1, text dump is used. If the value is 2, .dot dump is enabled. profile-generate-sampling-period sampling rate with -fprofile-generate-sampling sampling rate for lipo direct call and indirect call profile Enable time profiling when value profiling callback a user-define function when for arc counter increments. Stop incrementing arc counts once they become 1. Looking for gcda file in current dir. Maximum number of instructions in basic block to be considered for SLP vectorization Min. ratio of insns to prefetches to enable prefetching for a loop with an unknown trip count prefetch-min-insn-to-mem-ratio Min. ratio of insns to mem ops to enable prefetching in a loop Max. size of var tracking hash tables Max. recursion depth for expanding var tracking expressions Max. size of loc list for which reverse ops should be added The minimum UID to be used for a nondebug insn Maximum allowed growth of size of new parameters ipa-sra replaces a pointer to an aggregate with Size in bytes after which thread-local aggregates should be instrumented with the logging functions instead of save/restore pairs Maximum size of a list of values associated with each parameter for interprocedural constant propagation Threshold ipa-cp opportunity evaluation that is still considered beneficial to clone. Maximum number of aggregate content items for a parameter in jump functions and lattices Compile-time bonus IPA-CP assigns to candidates which make loop bounds or strides known. Compile-time bonus IPA-CP assigns to candidates which make an array index known. Number of partitions the program should be split to Minimal size of a partition for LTO (in estimated instructions) the minimum number of iterations of negative cycle cancellation in MCF cxx-max-namespaces-for-diagnostic-help Maximum number of namespaces to search for alternatives when name lookup fails gnu-cgraph-section-edge-threshold minimum call graph edge count for inclusion in .gnu.callgraph.text section Maximum number of conditional store pairs that can be sunk 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 Allow new data races on loads to be introduced Allow new data races on stores to be introduced Allow new data races on packed data loads to be introduced Allow new data races on packed data stores to be introduced Set the maximum number of instructions executed in parallel in reassociated tree. If 0, use the target dependent heuristic. Maximum amount of similar bbs to compare a bb with Maximum amount of iterations of the pass over a function Maximum number of strings for which strlen optimization pass will track string lengths Which -fsched-pressure algorithm to apply Maximum length of candidate scans for straight-line strength reduction Enable asan globals protection Enable asan store operations protection Enable asan load operations protection Enable asan builtin functions protection Enable asan detection of use-after-return bugs asan-instrumentation-with-call-threshold Use callbacks instead of inline code if number of accesses in function becomes greater or equal to this number Maximum number of nested calls to search for control dependencies during uninitialized variable analysis Maximum number of instructions to copy when duplicating blocks on a finite state automaton jump thread path Maximum number of basic blocks on a finite state automaton jump thread path Maximum number of new jump thread paths to create for a finite state automaton Adjust the estimation of fp setting insn cost with this fraction inframepointer shrinkwrapping Adjust the estimation of fpset promotion cost with this fraction inframepointer shrinkwrapping /buildbot/src/android/gcc/toolchain/build/../gcc/gcc-4.9/gcc/opts.c The following options are specific to just the language The following options are supported by the language The following options are target specific The following options control compiler warning messages The following options control optimizations The following options are language-independent The --param option recognizes the following as parameters The following options are language-related The following options take separate arguments The following options take joined arguments unrecognized include_flags 0x%x passed to print_specific_help No options with the desired characteristics were found None found. Use --help=%s to show *all* the options supported by the %s front-end
3919 eprecated conversion from string literals to 'char *'. In C, similar warning, except that the conversion is of course not deprecated by the ISO C standard. -Wzero-as-null-pointer-constant Warn when a literal '0' is used as null pointer A synonym for -std=c89 (for C) or -std=c++98 (for C++) -aux-info <file> Emit declaration information into <file> -d<letters> Enable dumps from specific passes of the compiler -dumpbase <file> Set the file basename to be used for dumps -dumpdir <dir> Set the directory name to be used for dumps --CLASSPATH Deprecated; use --classpath instead Generate position-independent code if possible (large mode) Generate position-independent code for executables if possible (large mode) Enforce class member access control semantics -fada-spec-parent=unit Dump Ada specs as child units of given parent -faggressive-function-elimination Eliminate multiple function invokations also for impure functions -faggressive-loop-optimizations Aggressively optimize loops using language constraints Enable alignment of COMMON blocks Align labels which are only reached by jumping All intrinsics procedures are available regardless of selected standard -fallow-parameterless-variadic-functions Allow variadic functions without named parameter Permit the use of the assert keyword Allow optimization for floating-point arithmetic which may change the result of the operation due to rounding. Generate unwind tables that are exact at each instruction boundary Generate auto-inc/dec instructions Use sample profile information for call graph node weights. The default profile file is fbdata.afdo in 'pwd'. Whether to assume the sample profile is accurate. -fauto-profile-record-coverage-in-elf Whether to record annotation coverage info in elf. Use sample profile information for call graph node weights. The profile file is specified in the argument. Do not treat local variables and COMMON blocks as if they were named in SAVE statements Specify that backslash in string introduces an escape character Produce a backtrace when a runtime error is encountered -fblas-matmul-limit=<n> Size of the smallest matrix for which matmul will use BLAS --bootclasspath=<path> Replace system path Generated should be loaded by bootstrap loader Generate code to check bounds before indexing arrays Replace add, compare, branch with branch on count register Use profiling information for branch probabilities Perform branch target load optimization before prologue / epilogue threading -fbranch-target-load-optimize2 Perform branch target load optimization after prologue / epilogue threading Restrict target load migration not to re-use registers in any basic block -fcall-saved-<register> Mark <register> as being preserved across functions -fcall-used-<register> Mark <register> as being corrupted by function calls Save registers around function calls Where shorter, use canonicalized paths to systems headers. Produce a warning at runtime if a array temporary has been created for a procedure argument Compare branch prediction result and autofdo profile information, store the result in a section in the generated elf file. -fcheck-branch-annotation-threshold= The number of executions a basic block needs to reach before GCC dumps its branch prediction information with -fcheck-branch-annotation. Compare the results of several data dependence analyzers. Check the return value of new in C++ Generate checks for references to NULL -fcheck=[...] Specify which runtime checks are to be performed --classpath=<path> Set class path -fcoarray=[...] Specify which coarray parallelization should be used Looks for opportunities to reduce stack adjustments and stack references. Do not put uninitialized globals in the common section Run only the second compilation of -fcompare-debug -fcompare-debug[=<opts>] Compile with and without e.g. -gtoggle, and compare the final-insns dump Perform comparison elimination after register allocation has finished Allow the arguments of the '?' operator to have different types Does nothing. Preserved for backward compatibility. Do not perform optimizations increasing noticeably stack usage -fconst-string-class=<name> Use class <name> for constant strings no class name specified with %qs -fconstexpr-depth=<number> Specify maximum constexpr recursion depth Use big-endian format for unformatted files Use little-endian format for unformatted files Use native format for unformatted files Swap endianness for unformatted files Perform a register copy-propagation optimization pass Use the Cray Pointer extension PerformPerform speculative devirtualization -fdiagnostics-color=[never|always|auto] Colorize diagnostics Show the source line with a caret indicating the column -fdiagnostics-show-location=[once|every-line] How often to emit source location at the beginning of line-wrapped diagnostics Amend appropriate diagnostic messages with the command line option that controls them -fdisable-[tree|rtl|ipa]-<pass>=range1+range2 disables an optimization pass Allow dollar signs in entity names Permit '$' as an identifier character Use the RTL dead store elimination pass -fdump-<type> Dump various compiler internals to a file Write all declarations as Ada code transitively Write all declarations as Ada code for the given file only -fdump-final-insns=filename Dump to filename the insns at the end of translation Display the code tree after front end optimization Display the code tree after parsing -fdump-go-spec=filename Write all declarations to file as Go code Suppress output of addresses in debugging dumps Display the code tree after parsing; deprecated option Suppress output of instruction numbers, line number notes and addresses in debugging dumps Suppress output of previous and next insn numbers in debugging dumps Enable CFI tables via GAS assembler directives. Perform DWARF2 duplicate elimination -feliminate-unused-debug-symbols Perform unused type elimination in debug info -feliminate-unused-debug-types Do not suppress C++ class debug information. Print to stderr the mapping from module name and function id to assembler function name when -ftest-coverage, -fprofile-generate or -fprofile-use are active, for use in correlating function ids in gcda files with the function name. -femit-struct-debug-baseonly Aggressive reduced debug info for structs -femit-struct-debug-detailed=<spec-list> Detailed reduced debug info for structs -femit-struct-debug-reduced Conservative reduced debug info for structs -fenable-[tree|rtl|ipa]-<pass>=range1+range2 enables an optimization pass --encoding=<encoding> Choose input encoding (defaults from your locale) Generate code to check exception specifications -fexcess-precision=[fast|standard] Specify handling of excess floating-point precision -fexec-charset=<cset> Convert all strings and character constants to character set <cset> Perform a number of minor, expensive optimizations Interpret imaginary, fixed-point, or other gnu number suffix as the corresponding number literal rather than a user-defined number literal. --extdirs=<path> Set the extension directory path Permit universal character names (\u and \U) in identifiers Support dynamic initialization of thread-local variables in a different translation unit Specify that an external BLAS library should be used for matmul calls on large-size arrays Output lto objects containing both the intermediate language and binary output. Input file is a file with a list of filenames to compile Assume no NaNs or infinities are generated -ffixed-<register> Mark <register> as being unavailable to the compiler Assume that the source file is fixed form -ffixed-line-length-<n> Use n as character line width in fixed mode Allow arbitrary character line width in fixed mode Don't allocate floats and doubles in extended-precision registers Scope of for-init-statement variables is local to the loop Always check for non gcj generated classes archives Perform a forward propagation pass on RTL -ffp-contract=[off|on|fast] Perform floating-point expression contraction. -ffpe-summary=[...] Print summary of floating point exceptions -ffpe-trap=[...] Stop on following floating point exceptions Assume that the source file is free form -ffree-line-length-<n> Use n as character line width in free mode Allow arbitrary character line width in free mode Do not assume that standard C libraries and "main" exist Inject friend functions into enclosing namespace -ffunction-attribute-list=attribute:name,... Add attribute to named functions Allow function addresses to be held in registers Place each function into its own section Perform global common subexpression elimination Perform global common subexpression elimination after register allocation has finished Perform redundant load after store elimination in global common subexpression elimination Perform enhanced load motion during global common subexpression elimination Perform store motion after global common subexpression elimination Recognize GNU-defined keywords Generate code for GNU runtime environment Enable support for GNU transactional memory Use STB_GNU_UNIQUE if supported by the assembler Use traditional GNU semantics for inline functions Add explicit checks for division overflow in INT_MIN / -1 Add explicit checks for division by zero -fgo-dump-<type> Dump Go frontend internal information -fgo-optimize-<type> Turn on optimization passes in the frontend -fgo-pkgpath=<string> Set Go package path -fgo-prefix=<string> Set package-specific prefix for exported Go names -fgo-relative-import-path=<path> Treat a relative import as relative to path Enable in and out of Graphite representation Enable Graphite Identity transformation Enable guessing of branch probabilities -fhandle-exceptions has been renamed -fexceptions (and is now on by default) Assume the runtime uses a hash table to map an object to its synchronization structure Enable hoisting adjacent loads to encourage generating conditional move instructions Assume normal C execution environment Perform conversion of conditional jumps to branchless equivalents Perform conversion of conditional jumps to conditional execution Export functions even if they can be inlined Emit implicit instantiations of inline templates Specify that no implicit typing is allowed, unless overridden by explicit IMPLICIT statements Emit implicit instantiations of templates Generate instances of Class at runtime Use offset tables for virtual method calls Do not generate .size directives -finit-character=<n> Initialize local character variables to ASCII value n -finit-integer=<n> Initialize local integer variables to n Initialize local variables to zero (from g77) -finit-logical=<true|false> Initialize local logical variables -finit-real=<zero|nan|inf|-inf> Initialize local real variables Enable inlining of function declared "inline", disabling disables all inlining Inline __atomic operations when a lock free instruction sequence is available. Integrate functions not declared "inline" into their callers when profitable -finline-functions-called-once Integrate functions only required by their single caller -finline-limit=<number> Limit the size of inlined functions to <number> Integrate functions into their callers when code size is known not to grow -finput-charset=<cset> Specify the default character set for source files Instrument function entry and exit with profiling calls -finstrument-functions-exclude-file-list= -finstrument-functions-exclude-file-list=filename,... Do not instrument functions listed in files -finstrument-functions-exclude-function-list= -finstrument-functions-exclude-function-list=name,... Do not instrument listed functions Interpret any INTEGER(4) as an INTEGER(8) Specify where to find the compiled intrinsic modules Perform interprocedural constant propagation Perform cloning to make Interprocedural constant propagation stronger Perform interprocedural profile propagation Perform interprocedural points-to analysis Discover pure and const functions Discover readonly and non addressable static variables Perform interprocedural reduction of aggregates -fira-algorithm=[CB|priority] Set the used IRA algorithm Use IRA based register pressure calculation in RTL hoist optimizations. Use IRA based register pressure calculation in RTL loop optimizations. -fira-region=[one|all|mixed] Set regions for IRA Share slots for saving different hard registers. Share stack slots for spilled pseudo-registers. -fira-verbose=<number> Control IRA's level of diagnostic messages. -fisolate-erroneous-paths-attribute Detect paths which trigger erroneous or undefined behaviour due a NULL value being used in a way which is forbidden by a returns_nonnull or nonnull attribute. Isolate those paths from the main control flow and turn the statement with erroneous or undefined behaviour into a trap. -fisolate-erroneous-paths-dereference Detect paths which trigger erroneous or undefined behaviour due to dereferencing a NULL pointer. Isolate those paths from the main control flow and turn the statement with erroneous or undefined behaviour into a trap. Optimize induction variables on trees Assume native functions are implemented using JNI Use jump tables for sufficiently large switch statements Don't emit dllexported inline functions unless needed Generate code for functions even if they are fully inlined Emit static const variables even if they are not used Allow implicit conversions between vectors with differing numbers of subparts and/or differing element types. Give external symbols a leading underscore Tell DSE that the storage for a C++ object is dead when the constructor starts and when the destructor finishes. Relief of register pressure through live range shrinkage Enable Loop Blocking transformation Enable Loop Interchange transformation Enable the ISL based loop nest optimizer Enable Loop Strip Mining transformation Enable link-time optimization. -flto-compression-level=<number> Use zlib compression level <number> for IL Partition symbols and vars at linktime based on object files they originate from Partition functions and vars at linktime into approximately same sized buckets Put every symbol into separate partition Disable partioning and streaming Report various link-time optimization statistics Report various link-time optimization statistics for WPA only Link-time optimization with number of parallel jobs or jobserver. Run the link-time optimizer in local transformation (LTRANS) mode. Specify a file to which a list of files output by LTRANS is written. Set errno after built-in math functions -fmax-array-constructor=<n> Maximum number of objects in an array constructor -fmax-errors=<number> Maximum number of errors to report -fmax-identifier-length=<n> Maximum identifier length -fmax-stack-var-size=<n> Size in bytes of the largest array that will be put on the stack -fmax-subrecord-length=<n> Maximum length for subrecords Report on permanent memory allocation Report on permanent memory allocation in WPA only Attempt to merge identical constants and constant variables Attempt to merge identical constants across compilation units Attempt to merge identical debug strings across compilation units -fmessage-length=<number> Limit diagnostics to <number> characters per line. 0 suppresses line-wrapping Set default accessibility of module entities to PRIVATE. Perform SMS based modulo scheduling before the first scheduling pass PerformPerform a register renaming optimization pass Reorder basic blocks to improve code placement -freorder-blocks-and-partition Reorder basic blocks and partition into hot and cold sections Reorder functions to improve code placement -freorder-functions=[callgraph] Select the scheme for function reordering. This invokes a linker plugin. Generate .gnu.callgraph.text sections listing callees and edge counts. Copy array sections into a contiguous block on procedure entry Used in Fix-and-Continue mode to indicate that object files may be swapped in at runtime Enable automatic template instantiation Functions which return values must end with return statements Add a common subexpression elimination pass after loop optimizations -freschedule-modulo-scheduled-loops Enable/Disable the traditional scheduling in loops that already passed modulo scheduling Perform Dynamic Inter-Procedural Analysis. Allow -g enablement for -fripa -fprofile-generate compiles. Don't import an auxiliary module if it contains asm statements Don't import an auxiliary module if the command line options mismatch with the primary module Substitute substring in include paths with a new string to allow reuse profile data -fripa-no-promote-always-inline-func Don't promote always inline static functions assuming they will be inlined and no copy is needed. Disable optimizations that assume default FP rounding behavior Generate run time type descriptor information Enable coverage-guided fuzzing code instrumentation. Inserts call to __sanitizer_cov_trace_pc into every basic block. -fsched-critical-path-heuristic Enable the critical path heuristic in the scheduler Enable the dependent count heuristic in the scheduler Enable the group heuristic in the scheduler Enable scheduling across basic blocks Enable the last instruction heuristic in the scheduler Enable register pressure sensitive insn scheduling Enable the rank heuristic in the scheduler Allow speculative motion of non-loads Enable the speculative instruction heuristic in the scheduler Allow speculative motion of some loads Allow speculative motion of more loads Allow premature scheduling of queued insns Set dependence distance checking in premature scheduling of queued insns -fsched-stalled-insns-dep=<number> Set dependence distance checking in premature scheduling of queued insns -fsched-stalled-insns=<number> Set number of queued insns that can be prematurely scheduled -fsched-verbose=<number> Set the verbosity level of the scheduler If scheduling post reload, do superblock scheduling Reschedule instructions before register allocation Reschedule instructions after register allocation Append a second underscore if the name already contains an underscore Access data in the same section from shared anchor points Perform software pipelining of inner loops during selective scheduling -fsel-sched-pipelining-outer-loops Perform software pipelining of outer loops during selective scheduling -fsel-sched-reschedule-pipelined Reschedule pipelined regions without pipelining Schedule instructions using selective scheduling algorithm Run selective scheduling after reload Use the same size for double as for float Use the narrowest integer type possible for enumeration types Force the underlying type for "wchar_t" to be "unsigned short" Show column numbers in diagnostics, when available. Default on Emit function prologues only before parts of the function that need it, rather than at the top of the function. Framepointer shrinkwrapping optimization. Apply negative sign to zero values Disable optimizations observable by IEEE signaling NaNs When "signed" or "unsigned" is not given make the bitfield signed Disable floating point optimizations that ignore the IEEE signedness of zero Specifies the vectorization cost model for code marked with a simd directive Convert floating point constants to single precision constants Support delete operator with objetc's size as the second parameter. Set the source language version Split lifetimes of induction variables when loops are unrolled Generate discontiguous stack frames Split wide types into independent registers Put all local arrays on stack. Insert stack checking code into the program. Same as -fstack-check=specific -fstack-check=[no|generic|specific] Insert stack checking code into the program -fstack-limit-register=<register> Trap if the stack goes past <register> -fstack-limit-symbol=<name> Trap if the stack goes past symbol <name> Use propolice as a stack protection method Use a stack protection method for every function Use a smart stack protection method for certain functions -fstack-reuse=[all|named_vars|none] Set stack reuse level for local variables. Output stack usage information on a per-function basis Display statistics accumulated during compilation Enable assignability checks for stores into object arrays Assume strict aliasing rules apply Perform transformations based on enum precision Assume that values of enumeration type are always within the minimum range of that type Treat signed overflow as undefined Force bitfield accesses to match their type width Implement __atomic operations via libcalls to legacy __sync functions Check for syntax errors, then stop -ftabstop=<number> Distance between tab stops for column reporting Set the maximum number of template instantiation notes for a single warning or error -ftemplate-depth=<number> Specify maximum template instantiation depth Create data files needed by "gcov" Perform jump threading optimizations -fno-threadsafe-statics Do not generate thread-safe code for initializing local statics Report the time taken by each compiler pass -ftls-model=[global-dynamic|local-dynamic|initial-exec|local-exec] Set the default thread-local storage code generation model Reorder top level functions, variables, and asms Perform superblock formation via tail duplication -ftrack-macro-expansion=<0|1|2> Track locations of tokens coming from macro expansion and display them in error messages Assume floating-point operations can trap Trap for signed overflow in addition, subtraction and multiplication Enable SSA-BIT-CCP optimization on trees Enable conditional dead code elimination for builtin calls Enable SSA-CCP optimization on trees Enable loop header copying on trees Enable coalescing of copy-related user variables that are inlined Enable coalescing of all copy-related user variables Enable copy propagation on trees Replace SSA temporaries with better names in copies Transform condition stores into unconditional ones Enable SSA dead code elimination optimization on trees Enable dominator optimizations Enable forward propagation on trees Enable Full Redundancy Elimination (FRE) on trees -ftree-loop-distribute-patterns Enable loop distribution for patterns transformed into a library call Enable loop distribution on trees Convert conditional jumps in innermost loops to branchless equivalents Also if-convert conditional jumps containing memory writes Enable loop invariant motion on trees Create canonical induction variables in loops Enable loop interchange transforms. Same as -floop-interchange Enable loop optimizations on tree level Enable loop vectorization on trees Perform live range splitting during the SSA->normal pass Enable automatic parallelization of loops In SSA-PRE optimization on trees, enable partial-partial redundancy elimination Enable hoisting loads from conditional pointers. Enable SSA-PRE optimization on trees Perform function-local points-to analysis on trees. Enable reassociation on tree level Enable copy propagation of scalar-evolution information. Enable SSA code sinking on trees Enable basic block vectorization (SLP) on trees Perform straight-line strength reduction Perform scalar replacement of aggregates Perform conversions of switch initializations. Replace temporary expressions in the SSA->normal pass Perform Value Range Propagation on trees When generating two-level line tables in DWARF (experimental), add linkage names for all functions (not just inlined functions). Use two-level line tables in DWARF (experimental). Append underscores to externally visible names Compile whole compilation unit at a time Perform loop unrolling for all loops Limit non-const non-FP loop unrolling under profile estimates of large code footprint Perform loop unrolling when iteration count is known Allow loop optimizations to assume that the loops behave in normal way Allow math optimizations that may violate IEEE or ISO standards When "signed" or "unsigned" is not given make the bitfield unsigned Make "char" unsigned by default Just generate unwind tables for exception handling Generate code for built-in atomic operations Generate code for the Boehm GC Use __cxa_atexit to register destructors Use __cxa_get_exception_ptr in exception handling Call a library routine to do integer divisions Use the bfd linker instead of the default linker Use the gold linker instead of the default linker Use the mcld linker instead of the default linker Perform variable tracking by annotating assignments -fvar-tracking-assignments-toggle Toggle -fvar-tracking-assignments Perform variable tracking and also tag variables that are uninitialized -fvariable-expansion-in-unroller Apply variable expansion when loops are unrolled Enables the dynamic vectorizer cost model. Preserved for backward compatibility. Specifies the cost model for vectorization Add extra commentary to assembler output Marks all inlined functions and methods as having hidden visibility Changes visibility to match Microsoft Visual Studio by default -fvisibility=[default|internal|hidden|protected] Set the default symbol visibility Use expression value profiles in optimizations Validate vtable pointers before using them. Output vtable verification counters. Output vtable verification pointer sets information. Emit common-like symbols as weak symbols Construct webs and split unrelated uses of single variable Perform
