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diff --git a/gcc-4.2.1-5666.3/gcc/common.opt b/gcc-4.2.1-5666.3/gcc/common.opt deleted file mode 100644 index b0ff770e5..000000000 --- a/gcc-4.2.1-5666.3/gcc/common.opt +++ /dev/null @@ -1,1342 +0,0 @@ -; Options for the language- and target-independent parts of the compiler. - -; Copyright (C) 2003, 2004, 2005, 2006 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 2, 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 COPYING. If not, write to the Free -; Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA -; 02110-1301, USA. - -; See the GCC internals manual for a description of this file's format. - -; Please try to keep this file in ASCII collating order. - --help -Common -Display this information - --param -Common Separate ---param <param>=<value> Set parameter <param> to value. See below for a complete list of parameters - --target-help -Common - --version -Common - -G -Common Joined Separate UInteger --G<number> Put global and static data smaller than <number> bytes into a special section (on some targets) - -O -Common JoinedOrMissing --O<number> Set optimization level to <number> - -Os -Common -Optimize for space rather than speed - -W -Common RejectNegative -This switch is deprecated; use -Wextra instead - -Waggregate-return -Common Var(warn_aggregate_return) -Warn about returning structures, unions or arrays - -Wattributes -Common Var(warn_attributes) Init(1) -Warn about inappropriate attribute usage - -Wcast-align -Common Var(warn_cast_align) -Warn about pointer casts which increase alignment - -Wdeprecated-declarations -Common Var(warn_deprecated_decl) Init(1) -Warn about uses of __attribute__((deprecated)) declarations - -Wdisabled-optimization -Common Var(warn_disabled_optimization) -Warn when an optimization pass is disabled - -Werror -Common Var(warnings_are_errors) -Treat all warnings as errors - -Werror= -Common Joined -Treat specified warning as error - -Wextra -Common -Print extra (possibly unwanted) warnings - -Wfatal-errors -Common Var(flag_fatal_errors) -Exit on the first error occurred - -Winline -Common Var(warn_inline) -Warn when an inlined function cannot be inlined - -Wlarger-than- -Common RejectNegative Joined UInteger --Wlarger-than-<number> Warn if an object is larger than <number> bytes - -Wunsafe-loop-optimizations -Common Var(warn_unsafe_loop_optimizations) -Warn if the loop cannot be optimized due to nontrivial assumptions. - -Wmissing-noreturn -Common Var(warn_missing_noreturn) -Warn about functions which might be candidates for __attribute__((noreturn)) - -Woverflow -Common Var(warn_overflow) Init(1) -Warn about overflow in arithmetic expressions - -Wpacked -Common Var(warn_packed) -Warn when the packed attribute has no effect on struct layout - -Wpadded -Common Var(warn_padded) -Warn when padding is required to align structure members - -Wshadow -Common Var(warn_shadow) -Warn when one local variable shadows another - -Wstack-protector -Common Var(warn_stack_protect) -Warn when not issuing stack smashing protection for some reason - -Wstrict-aliasing -Common -Warn about code which might break strict aliasing rules - -Wstrict-aliasing= -Common Joined UInteger -Warn about code which might break strict aliasing rules - -Wstrict-overflow -Common -Warn about optimizations that assume that signed overflow is undefined - -Wstrict-overflow= -Common Joined UInteger -Warn about optimizations that assume that signed overflow is undefined - -Wswitch -Common Var(warn_switch) -Warn about enumerated switches, with no default, missing a case - -Wswitch-default -Common Var(warn_switch_default) -Warn about enumerated switches missing a \"default:\" statement - -Wswitch-enum -Common Var(warn_switch_enum) -Warn about all enumerated switches missing a specific case - -Wsystem-headers -Common Var(warn_system_headers) -Do not suppress warnings from system headers - -Wuninitialized -Common Var(warn_uninitialized) -Warn about uninitialized automatic variables - -Wunreachable-code -Common Var(warn_notreached) -Warn about code that will never be executed - -Wunused -Common -Enable all -Wunused- warnings - -Wunused-function -Common Var(warn_unused_function) -Warn when a function is unused - -Wunused-label -Common Var(warn_unused_label) -Warn when a label is unused - -Wunused-parameter -Common Var(warn_unused_parameter) -Warn when a function parameter is unused - -Wunused-value -Common Var(warn_unused_value) -Warn when an expression value is unused - -Wunused-variable -Common Var(warn_unused_variable) -Warn when a variable is unused - -Wvolatile-register-var -Common Var(warn_register_var) -Warn when a register variable is declared volatile - -aux-info -Common Separate --aux-info <file> Emit declaration information into <file> - -aux-info= -Common Joined - -auxbase -Common Separate - -auxbase-strip -Common Separate - -d -Common Joined --d<letters> Enable dumps from specific passes of the compiler - -dumpbase -Common Separate --dumpbase <file> Set the file basename to be used for dumps - -; The version of the C++ ABI in use. The following values are allowed: -; -; 0: The version of the ABI believed most conformant with the C++ ABI -; specification. This ABI may change as bugs are discovered and fixed. -; Therefore, 0 will not necessarily indicate the same ABI in different -; versions of G++. -; -; 1: The version of the ABI first used in G++ 3.2. -; -; Additional positive integers will be assigned as new versions of -; the ABI become the default version of the ABI. -fabi-version= -Common Joined UInteger Var(flag_abi_version) Init(2) - -; APPLE LOCAL begin ObjC new abi -fobjc-abi-version= -Common Joined UInteger Var(flag_objc_abi) Init(-1) - -fobjc-nilcheck -Common Report Var(flag_objc_nilcheck,1) -; APPLE LOCAL end ObjC new abi - -; APPLE LOCAL begin C* warnings to easy porting to new abi -Wobjc2 -Common Report Var(flag_objc2_check) -; APPLE LOCAL end C* warnings to easy porting to new abi - -falign-functions -Common Report Var(align_functions,0) -Align the start of functions - -; APPLE LOCAL begin 4096997 -falign-functions= -Common RejectNegative Joined UInteger Var(align_functions) VarExists - -; APPLE LOCAL end 4096997 -; APPLE LOCAL begin optimization pragmas 3124235/3420242 -falign-jumps -Common Report Var(align_jumps,0) VarUint PerFunc -Align labels which are only reached by jumping - -falign-jumps= -Common RejectNegative Joined UInteger Var(align_jumps) VarExists VarUint PerFunc - -; APPLE LOCAL begin 4760857 make align-jumps-max-skip PerFunc -; APPLE LOCAL begin falign-jumps-max-skip - -falign-jumps-max-skip -Common Report Var(align_jumps_max_skip,0) VarUint PerFunc - -falign-jumps-max-skip= -Common RejectNegative Joined UInteger Var(align_jumps_max_skip) PerFunc VarUint VarExists - -; APPLE LOCAL end falign-jumps-max-skip -; APPLE LOCAL end 4760857 make align-jumps-max-skip PerFunc - -falign-labels -Common Report Var(align_labels,0) VarUint PerFunc -Align all labels - -falign-labels= -Common RejectNegative Joined UInteger Var(align_labels) VarExists PerFunc VarUint - -falign-loops -Common Report Var(align_loops) VarUint PerFunc -Align the start of loops - -falign-loops= -Common RejectNegative Joined UInteger Var(align_loops) VarExists PerFunc VarUint - -; APPLE LOCAL end optimization pragmas 3124235/3420242 -; APPLE LOCAL begin 4760857 make align-loops-max-skip PerFunc -; APPLE LOCAL begin falign-loops-max-skip - -falign-loops-max-skip -Common Report Var(align_loops_max_skip,0) VarUint PerFunc - -falign-loops-max-skip= -Common RejectNegative Joined UInteger Var(align_loops_max_skip) VarExists PerFunc VarUint - -; APPLE LOCAL end falign-loops-max-skip -; APPLE LOCAL end 4760857 make align-loops-max-skip PerFunc - -; APPLE LOCAL begin predictive compilation -fpredictive-compilation -Common -Predictive Compilation - -fpredictive-compilation= -Common RejectNegative Joined UInteger -; APPLE LOCAL end predictive compilation - -; This flag is only tested if alias checking is enabled. -; 0 if pointer arguments may alias each other. True in C. -; 1 if pointer arguments may not alias each other but may alias -; global variables. -; 2 if pointer arguments may not alias each other and may not -; alias global variables. -; 3 if pointer arguments may not alias anything. True in Fortran. -; Set by the front end. -fargument-alias -Common Report Var(flag_argument_noalias,0) -Specify that arguments may alias each other and globals - -fargument-noalias -Common Report Var(flag_argument_noalias,1) VarExists -Assume arguments may alias globals but not each other - -fargument-noalias-global -Common Report Var(flag_argument_noalias,2) VarExists -Assume arguments alias neither each other nor globals - -fargument-noalias-anything -Common Report Var(flag_argument_noalias,3) VarExists -Assume arguments alias no other storage - -fasynchronous-unwind-tables -Common Report Var(flag_asynchronous_unwind_tables) -Generate unwind tables that are exact at each instruction boundary - -; -fcheck-bounds causes gcc to generate array bounds checks. -; For C, C++ and ObjC: defaults off. -; For Java: defaults to on. -; For Fortran: defaults to off. -fbounds-check -Common Report Var(flag_bounds_check) -Generate code to check bounds before indexing arrays - -; APPLE LOCAL begin optimization pragmas 3124235/3420242 -fbranch-count-reg -Common Report Var(flag_branch_on_count_reg) Init(1) PerFunc -Replace add, compare, branch with branch on count register -; APPLE LOCAL end optimization pragmas 3124235/3420242 - -fbranch-probabilities -Common Report Var(flag_branch_probabilities) -Use profiling information for branch probabilities - -; APPLE LOCAL begin optimization pragmas 3124235/3420242 -fbranch-target-load-optimize -Common Report Var(flag_branch_target_load_optimize) PerFunc -Perform branch target load optimization before prologue / epilogue threading - -fbranch-target-load-optimize2 -Common Report Var(flag_branch_target_load_optimize2) PerFunc -Perform branch target load optimization after prologue / epilogue threading - -fbtr-bb-exclusive -Common Report Var(flag_btr_bb_exclusive) PerFunc -Restrict target load migration not to re-use registers in any basic block -; APPLE LOCAL end optimization pragmas 3124235/3420242 - -fcall-saved- -Common Joined RejectNegative --fcall-saved-<register> Mark <register> as being preserved across functions - -fcall-used- -Common Joined RejectNegative --fcall-used-<register> Mark <register> as being corrupted by function calls - -; Nonzero for -fcaller-saves: allocate values in regs that need to -; be saved across function calls, if that produces overall better code. -; Optional now, so people can test it. -; APPLE LOCAL begin optimization pragmas 3124235/3420242 -fcaller-saves -Common Report Var(flag_caller_saves) PerFunc -Save registers around function calls -; APPLE LOCAL end optimization pragmas 3124235/3420242 - -fcommon -Common Report Var(flag_no_common,0) -Do not put uninitialized globals in the common section - -; APPLE LOCAL begin optimization pragmas 3124235/3420242 -fcprop-registers -Common Report Var(flag_cprop_registers) PerFunc -Perform a register copy-propagation optimization pass -; APPLE LOCAL end optimization pragmas 3124235/3420242 - -; APPLE LOCAL begin new profiling flag -fcreate-profile -Common -Enable common options for generating profile info for profile feedback directed optimizations -; APPLE LOCAL end new profiling flag - -; APPLE LOCAL begin optimization pragmas 3124235/3420242 -fcrossjumping -Common Report Var(flag_crossjumping) PerFunc -Perform cross-jumping optimization - -fcse-follow-jumps -Common Report Var(flag_cse_follow_jumps) PerFunc -When running CSE, follow jumps to their targets - -fcse-skip-blocks -Common Report Var(flag_cse_skip_blocks) PerFunc -When running CSE, follow conditional jumps - -fcx-limited-range -Common Report Var(flag_cx_limited_range) PerFunc -Omit range reduction step when performing complex division -; APPLE LOCAL end optimization pragmas 3124235/3420242 - -fdata-sections -Common Report Var(flag_data_sections) -Place data items into their own section - -; Nonzero for -fdefer-pop: don't pop args after each function call -; instead save them up to pop many calls' args with one insns. -; APPLE LOCAL begin optimization pragmas 3124235/3420242 -fdefer-pop -Common Report Var(flag_defer_pop) PerFunc -Defer popping functions args from stack until later - -fdelayed-branch -Common Report Var(flag_delayed_branch) PerFunc -Attempt to fill delay slots of branch instructions - -fdelete-null-pointer-checks -Common Report Var(flag_delete_null_pointer_checks) PerFunc -Delete useless null pointer checks -; APPLE LOCAL end optimization pragmas 3124235/3420242 - -fdiagnostics-show-location= -Common Joined RejectNegative --fdiagnostics-show-location=[once|every-line] How often to emit source location at the beginning of line-wrapped diagnostics - -fdiagnostics-show-option -Common -Amend appropriate diagnostic messages with the command line option that controls them - -fdump- -Common Joined RejectNegative --fdump-<type> Dump various compiler internals to a file - -fdump-noaddr -Common Report Var(flag_dump_noaddr) -Suppress output of addresses in debugging dumps - -fdump-unnumbered -Common Report Var(flag_dump_unnumbered) VarExists -Suppress output of instruction numbers, line number notes and addresses in debugging dumps - -; APPLE LOCAL begin 4167759 -flimit-debug-info -Common Report Var(flag_limit_debug_info) -Limit debug info for certain type -; APPLE LOCAL end 4167759 - -fearly-inlining -Common Report Var(flag_early_inlining) Init(1) -Perform early inlining - -feliminate-dwarf2-dups -Common Report Var(flag_eliminate_dwarf2_dups) -Perform DWARF2 duplicate elimination - -feliminate-unused-debug-symbols -Common Report Var(flag_debug_only_used_symbols) -Perform unused type elimination in debug info - -feliminate-unused-debug-types -Common Report Var(flag_eliminate_unused_debug_types) Init(1) -Perform unused type elimination in debug info - -femit-class-debug-always -Common Report Var(flag_emit_class_debug_always) Init(1) -Do not suppress C++ class debug information. - -fexceptions -Common Report Var(flag_exceptions) -Enable exception handling - -; APPLE LOCAL begin optimization pragmas 3124235/3420242 -fexpensive-optimizations -Common Report Var(flag_expensive_optimizations) PerFunc -Perform a number of minor, expensive optimizations -; APPLE LOCAL end optimization pragmas 3124235/3420242 - -ffast-math -Common - -; APPLE LOCAL begin optimization pragmas 3124235/3420242 -ffinite-math-only -Common Report Var(flag_finite_math_only) PerFunc -Assume no NaNs or infinities are generated -; APPLE LOCAL end optimization pragmas 3124235/3420242 - -ffixed- -Common Joined RejectNegative --ffixed-<register> Mark <register> as being unavailable to the compiler - -; APPLE LOCAL begin optimization pragmas 3124235/3420242 -ffloat-store -Common Report Var(flag_float_store) PerFunc -Don't allocate floats and doubles in extended-precision registers - -; Nonzero for -fforce-addr: load memory address into a register before -; reference to memory. This makes better cse but slower compilation. -fforce-addr -Common Report Var(flag_force_addr) PerFunc -Copy memory address constants into registers before use - -; Nonzero for -fforce-mem: load memory value into a register -; before arithmetic on it. This makes better cse but slower compilation. -fforce-mem -Common Report Var(flag_force_mem) PerFunc -Copy memory operands into registers before use - -; Nonzero means don't put addresses of constant functions in registers. -; Used for compiling the Unix kernel, where strange substitutions are -; done on the assembly output. -ffunction-cse -Common Report Var(flag_no_function_cse,0) PerFunc -Allow function addresses to be held in registers -; APPLE LOCAL end optimization pragmas 3124235/3420242 - -ffunction-sections -Common Report Var(flag_function_sections) -Place each function into its own section - -;; APPLE LOCAL begin 5695218 -fglobal-alloc-prefer-bytes -Common Report Var(flag_global_alloc_prefer_bytes) Init(1) PerFunc -Prefer to allocate byte and short candidates before word candidates (x86_32 only) - -;; APPLE LOCAL end 5695218 - -;; APPLE LOCAL begin ARM conditionally disable local RA -flocal-alloc -Common Report Var(flag_local_alloc) Init(1) PerFunc -Run the local register allocator -;; APPLE LOCAL end ARM conditionally disable local RA - -; APPLE LOCAL begin optimization pragmas 3124235/3420242 -fgcse -Common Report Var(flag_gcse) PerFunc -Perform global common subexpression elimination - -fgcse-lm -Common Report Var(flag_gcse_lm) Init(1) PerFunc -Perform enhanced load motion during global common subexpression elimination - -fgcse-sm -Common Report Var(flag_gcse_sm) Init(0) PerFunc -Perform store motion after global common subexpression elimination - -fgcse-las -Common Report Var(flag_gcse_las) Init(0) PerFunc -Perform redundant load after store elimination in global common subexpression -elimination - -fgcse-after-reload -Common Report Var(flag_gcse_after_reload) PerFunc -Perform global common subexpression elimination after register allocation -has finished - -fguess-branch-probability -Common Report Var(flag_guess_branch_prob) PerFunc -Enable guessing of branch probabilities -; APPLE LOCAL end optimization pragmas 3124235/3420242 - -; Nonzero means ignore `#ident' directives. 0 means handle them. -; Generate position-independent code for executables if possible -; On SVR4 targets, it also controls whether or not to emit a -; string identifying the compiler. -fident -Common Report Var(flag_no_ident,0) -Process #ident directives - -; APPLE LOCAL begin optimization pragmas 3124235/3420242 -fif-conversion -Common Report Var(flag_if_conversion) PerFunc -Perform conversion of conditional jumps to branchless equivalents - -fif-conversion2 -Common Report Var(flag_if_conversion2) PerFunc -Perform conversion of conditional jumps to conditional execution -; APPLE LOCAL end optimization pragmas 3124235/3420242 - -; -finhibit-size-directive inhibits output of .size for ELF. -; This is used only for compiling crtstuff.c, -; and it may be extended to other effects -; needed for crtstuff.c on other systems. -finhibit-size-directive -Common Report Var(flag_inhibit_size_directive) -Do not generate .size directives - -; Nonzero means that functions declared `inline' will be treated -; as `static'. Prevents generation of zillions of copies of unused -; static inline functions; instead, `inlines' are written out -; only when actually used. Used in conjunction with -g. Also -; does the right thing with #pragma interface. -finline -Common Report Var(flag_no_inline,0) Init(2) -Pay attention to the \"inline\" keyword - -finline-functions -Common Report Var(flag_inline_functions) -Integrate simple functions into their callers - -finline-functions-called-once -Common Report Var(flag_inline_functions_called_once) Init(1) -Integrate functions called once into their callers - -finline-limit- -Common RejectNegative Joined UInteger - -finline-limit= -Common RejectNegative Joined UInteger --finline-limit=<number> Limit the size of inlined functions to <number> - -finstrument-functions -Common Report Var(flag_instrument_function_entry_exit) -Instrument function entry and exit with profiling calls - -fipa-cp -Common Report Var(flag_ipa_cp) -Perform Interprocedural constant propagation - -fipa-pure-const -Common Report Var(flag_ipa_pure_const) Init(0) -Discover pure and const functions - -fipa-pta -Common Report Var(flag_ipa_pta) Init(0) -Perform interprocedural points-to analysis - -fipa-reference -Common Report Var(flag_ipa_reference) Init(0) -Discover readonly and non addressable static variables - -fipa-type-escape -Common Report Var(flag_ipa_type_escape) Init(0) -Type based escape and alias analysis - -; APPLE LOCAL begin optimization pragmas 3124235/3420242 -fivopts -Common Report Var(flag_ivopts) Init(1) PerFunc -Optimize induction variables on trees -; APPLE LOCAL end optimization pragmas 3124235/3420242 - -fjump-tables -Common Var(flag_jump_tables) Init(1) -Use jump tables for sufficiently large switch statements - -fkeep-inline-functions -Common Report Var(flag_keep_inline_functions) -Generate code for functions even if they are fully inlined - -fkeep-static-consts -Common Report Var(flag_keep_static_consts) Init(1) -Emit static const variables even if they are not used - -fleading-underscore -Common Report Var(flag_leading_underscore) Init(-1) -Give external symbols a leading underscore - -floop-optimize -Common -Does nothing. Preserved for backward compatibility. - -; APPLE LOCAL begin optimization pragmas 3124235/3420242 -fmath-errno -Common Report Var(flag_errno_math) Init(1) PerFunc -Set errno after built-in math functions -; APPLE LOCAL end optimization pragmas 3124235/3420242 - -fmem-report -Common Report Var(mem_report) -Report on permanent memory allocation - -; This will attempt to merge constant section constants, if 1 only -; string constants and constants from constant pool, if 2 also constant -; variables. -fmerge-all-constants -Common Report Var(flag_merge_constants,2) Init(1) -Attempt to merge identical constants and constant variables - -fmerge-constants -Common Report Var(flag_merge_constants,1) VarExists -Attempt to merge identical constants across compilation units - -fmessage-length= -Common RejectNegative Joined UInteger --fmessage-length=<number> Limit diagnostics to <number> characters per line. 0 suppresses line-wrapping - -; APPLE LOCAL begin optimization pragmas 3124235/3420242 -fmodulo-sched -Common Report Var(flag_modulo_sched) PerFunc -Perform SMS based modulo scheduling before the first scheduling pass - -fmove-loop-invariants -Common Report Var(flag_move_loop_invariants) Init(1) PerFunc VarUint -Move loop invariant computations out of loops -; APPLE LOCAL end optimization pragmas 3124235/3420242 - -fmudflap -Common RejectNegative Report Var(flag_mudflap) -Add mudflap bounds-checking instrumentation for single-threaded program - -fmudflapth -Common RejectNegative Report VarExists Var(flag_mudflap,2) -Add mudflap bounds-checking instrumentation for multi-threaded program - -fmudflapir -Common RejectNegative Report Var(flag_mudflap_ignore_reads) -Ignore read operations when inserting mudflap instrumentation - -; APPLE LOCAL begin optimization pragmas 3124235/3420242 -freschedule-modulo-scheduled-loops -Common Report Var(flag_resched_modulo_sched) PerFunc -Enable/Disable the traditional scheduling in loops that already passed modulo scheduling -; APPLE LOCAL end optimization pragmas 3124235/3420242 - -fnon-call-exceptions -Common Report Var(flag_non_call_exceptions) -Support synchronous non-call exceptions - -; APPLE LOCAL begin -fobey-inline -fobey-inline -Common Report Var(flag_obey_inline) VarExists -Obey 'inline' keyword and always inline, regardless of size -; APPLE LOCAL end -fobey-inline - -; APPLE LOCAL begin optimization pragmas 3124235/3420242 -fomit-frame-pointer -Common Report Var(flag_omit_frame_pointer) PerFunc VarUint -When possible do not generate stack frames - -foptimize-register-move -Common Report Var(flag_regmove) PerFunc -Do the full register move optimization pass - -foptimize-sibling-calls -Common Report Var(flag_optimize_sibling_calls) PerFunc -Optimize sibling and tail recursive calls -; APPLE LOCAL end optimization pragmas 3124235/3420242 - -; APPLE LOCAL begin opt diary -fopt-diary -Common Report Var(flag_opt_diary) -Enable optimization diary -; APPLE LOCAL end opt diary -fpack-struct -Common Report Var(flag_pack_struct) -Pack structure members together without holes - -fpack-struct= -Common RejectNegative Joined UInteger --fpack-struct=<number> Set initial maximum structure member alignment - -fpcc-struct-return -Common Report Var(flag_pcc_struct_return,1) VarExists -Return small aggregates in memory, not registers - -; APPLE LOCAL begin optimization pragmas 3124235/3420242 -fpeel-loops -Common Report Var(flag_peel_loops) PerFunc -Perform loop peeling - -fpeephole -Common Report Var(flag_no_peephole,0) PerFunc -Enable machine specific peephole optimizations - -fpeephole2 -Common Report Var(flag_peephole2) PerFunc -Enable an RTL peephole pass before sched2 -; APPLE LOCAL end optimization pragmas 3124235/3420242 - -fPIC -Common Report Var(flag_pic,2) -Generate position-independent code if possible (large mode) - -fPIE -Common Report Var(flag_pie,2) -Generate position-independent code for executables if possible (large mode) - -fpic -Common Report Var(flag_pic,1) VarExists -Generate position-independent code if possible (small mode) - -fpie -Common Report Var(flag_pie,1) VarExists -Generate position-independent code for executables if possible (small mode) - -; APPLE LOCAL begin optimization pragmas 3124235/3420242 -fprefetch-loop-arrays -Common Report Var(flag_prefetch_loop_arrays) PerFunc -Generate prefetch instructions, if available, for arrays in loops -; APPLE LOCAL end optimization pragmas 3124235/3420242 - -fprofile -Common Report Var(profile_flag) -Enable basic program profiling code - -fprofile-arcs -Common Report Var(profile_arc_flag) -Insert arc-based program profiling code - -fprofile-generate -Common -Enable common options for generating profile info for profile feedback directed optimizations - -fprofile-use -Common -Enable common options for performing profile feedback directed optimizations - -fprofile-values -Common Report Var(flag_profile_values) -Insert code to profile values of expressions - -frandom-seed -Common - -frandom-seed= -Common Joined RejectNegative --frandom-seed=<string> Make compile reproducible using <string> - -freg-struct-return -Common Report Var(flag_pcc_struct_return,0) VarExists -Return small aggregates in registers - -; APPLE LOCAL begin optimization pragmas 3124235/3420242 -fregmove -Common Report Var(flag_regmove) PerFunc VarExists -Enables a register move optimization - -frename-registers -Common Report Var(flag_rename_registers) Init(2) PerFunc VarUint -Perform a register renaming optimization pass - -freorder-blocks -Common Report Var(flag_reorder_blocks) PerFunc -Reorder basic blocks to improve code placement - -freorder-blocks-and-partition -Common Report Var(flag_reorder_blocks_and_partition) PerFunc -Reorder basic blocks and partition into hot and cold sections -; APPLE LOCAL end optimization pragmas 3124235/3420242 - -freorder-functions -Common Report Var(flag_reorder_functions) -Reorder functions to improve code placement - -; APPLE LOCAL begin optimization pragmas 3124235/3420242 -frerun-cse-after-loop -Common Report Var(flag_rerun_cse_after_loop) Init(2) PerFunc VarUint -Add a common subexpression elimination pass after loop optimizations - -frerun-loop-opt -Common -Does nothing. Preserved for backward compatibility. - -frounding-math -Common Report Var(flag_rounding_math) PerFunc -Disable optimizations that assume default FP rounding behavior - -fsched-interblock -Common Report Var(flag_schedule_interblock) Init(1) PerFunc -Enable scheduling across basic blocks - -fsched-spec -Common Report Var(flag_schedule_speculative) Init(1) PerFunc -Allow speculative motion of non-loads - -fsched-spec-load -Common Report Var(flag_schedule_speculative_load) PerFunc -Allow speculative motion of some loads - -fsched-spec-load-dangerous -Common Report Var(flag_schedule_speculative_load_dangerous) PerFunc -Allow speculative motion of more loads - -fsched-verbose= -Common RejectNegative Joined Var(sched_verbose_param) UInteger PerFunc VarUint --fsched-verbose=<number> Set the verbosity level of the scheduler - -fsched2-use-superblocks -Common Report Var(flag_sched2_use_superblocks) PerFunc -If scheduling post reload, do superblock scheduling - -fsched2-use-traces -Common Report Var(flag_sched2_use_traces) PerFunc -If scheduling post reload, do trace scheduling - -fschedule-insns -Common Report Var(flag_schedule_insns) PerFunc -Reschedule instructions before register allocation - -fschedule-insns2 -Common Report Var(flag_schedule_insns_after_reload) PerFunc -Reschedule instructions after register allocation -; APPLE LOCAL end optimization pragmas 3124235/3420242 - -; sched_stalled_insns means that insns can be moved prematurely from the queue -; of stalled insns into the ready list. -fsched-stalled-insns -Common Report Var(flag_sched_stalled_insns) -Allow premature scheduling of queued insns - -fsched-stalled-insns= -Common RejectNegative Joined UInteger --fsched-stalled-insns=<number> Set number of queued insns that can be prematurely scheduled - -; sched_stalled_insns_dep controls how many recently scheduled cycles will -; be examined for a dependency on a stalled insn that is candidate for -; premature removal from the queue of stalled insns into the ready list (has -; an effect only if the flag 'sched_stalled_insns' is set). -; APPLE LOCAL begin optimization pragmas 3124235/3420242 -fsched-stalled-insns-dep -Common Report Var(flag_sched_stalled_insns_dep,1) Init(1) PerFunc VarUint -Set dependence distance checking in premature scheduling of queued insns - -fsched-stalled-insns-dep= -Common RejectNegative Joined UInteger Var(flag_sched_stalled_insns_dep) VarExists VarUint PerFunc --fsched-stalled-insns-dep=<number> Set dependence distance checking in premature scheduling of queued insns -; APPLE LOCAL end optimization pragmas 3124235/3420242 - -fsection-anchors -Common Report Var(flag_section_anchors) -Access data in the same section from shared anchor points - -frtl-abstract-sequences -Common Report Var(flag_rtl_seqabstr) -Perform sequence abstraction optimization on RTL - -fsee -Common Report Var(flag_see) Init(0) -Eliminate redundant sign extensions using LCM. - -fshow-column -Common C ObjC C++ ObjC++ Report Var(flag_show_column) Init(1) -Show column numbers in diagnostics, when available. Default on - -; APPLE LOCAL begin optimization pragmas 3124235/3420242 -fsignaling-nans -Common Report Var(flag_signaling_nans) PerFunc -Disable optimizations observable by IEEE signaling NaNs -; APPLE LOCAL end optimization pragmas 3124235/3420242 - -fsingle-precision-constant -Common Report Var(flag_single_precision_constant) -Convert floating point constants to single precision constants - -; APPLE LOCAL begin optimization pragmas 3124235/3420242 -fsplit-ivs-in-unroller -Common Report Var(flag_split_ivs_in_unroller) Init(1) PerFunc -Split lifetimes of induction variables when loops are unrolled - -fvariable-expansion-in-unroller -Common Report Var(flag_variable_expansion_in_unroller) PerFunc -Apply variable expansion when loops are unrolled -; APPLE LOCAL end optimization pragmas 3124235/3420242 - -; Emit code to probe the stack, to help detect stack overflow; also -; may cause large objects to be allocated dynamically. -fstack-check -Common Report Var(flag_stack_check) -Insert stack checking code into the program - -fstack-limit -Common - -fstack-limit-register= -Common RejectNegative Joined --fstack-limit-register=<register> Trap if the stack goes past <register> - -fstack-limit-symbol= -Common RejectNegative Joined --fstack-limit-symbol=<name> Trap if the stack goes past symbol <name> - -; APPLE LOCAL begin stack-protector default 5095227 -fstack-protector -Common Report Var(flag_stack_protect, 1) Init(-1) -Use propolice as a stack protection method -; APPLE LOCAL end stack-protector default 5095227 - -fstack-protector-all -Common Report RejectNegative Var(flag_stack_protect, 2) VarExists -Use a stack protection method for every function - -fstrength-reduce -Common -Does nothing. Preserved for backward compatibility. - -; Nonzero if we should do (language-dependent) alias analysis. -; Typically, this analysis will assume that expressions of certain -; types do not alias expressions of certain other types. Only used -; if alias analysis (in general) is enabled. -fstrict-aliasing -Common Report Var(flag_strict_aliasing) -Assume strict aliasing rules apply - -fstrict-overflow -Common Report Var(flag_strict_overflow) -Treat signed overflow as undefined - -fsyntax-only -Common Report Var(flag_syntax_only) -Check for syntax errors, then stop - -ftest-coverage -Common Report Var(flag_test_coverage) -Create data files needed by \"gcov\" - -; APPLE LOCAL begin optimization pragmas 3124235/3420242 -fthread-jumps -Common Report Var(flag_thread_jumps) PerFunc -Perform jump threading optimizations -; APPLE LOCAL end optimization pragmas 3124235/3420242 - -ftime-report -Common Report Var(time_report) -Report the time taken by each compiler pass - -ftls-model= -Common Joined RejectNegative --ftls-model=[global-dynamic|local-dynamic|initial-exec|local-exec] Set the default thread-local storage code generation model - -ftoplevel-reorder -Common Report Var(flag_toplevel_reorder) Init(1) -Reorder top level functions, variables, and asms - -; APPLE LOCAL begin optimization pragmas 3124235/3420242 -ftracer -Common Report Var(flag_tracer) PerFunc -Perform superblock formation via tail duplication - -; Zero means that floating-point math operations cannot generate a -; (user-visible) trap. This is the case, for example, in nonstop -; IEEE 754 arithmetic. -ftrapping-math -Common Report Var(flag_trapping_math) Init(1) PerFunc -Assume floating-point operations can trap - -ftrapv -Common Report Var(flag_trapv) PerFunc -Trap for signed overflow in addition, subtraction and multiplication -; APPLE LOCAL end optimization pragmas 3124235/3420242 - -; APPLE LOCAL begin optimization pragmas 3124235/3420242 -ftree-ccp -Common Report Var(flag_tree_ccp) PerFunc -Enable SSA-CCP optimization on trees - -ftree-store-ccp -Common Report Var(flag_tree_store_ccp) -Enable SSA-CCP optimization for stores and loads - -ftree-ch -Common Report Var(flag_tree_ch) PerFunc -Enable loop header copying on trees - -ftree-combine-temps -Common Report Var(flag_tree_combine_temps) PerFunc -Coalesce memory temporaries in the SSA->normal pass - -ftree-copyrename -Common Report Var(flag_tree_copyrename) PerFunc -Replace SSA temporaries with better names in copies - -ftree-copy-prop -Common Report Var(flag_tree_copy_prop) -Enable copy propagation on trees - -ftree-store-copy-prop -Common Report Var(flag_tree_store_copy_prop) -Enable copy propagation for stores and loads - -ftree-dce -Common Report Var(flag_tree_dce) PerFunc -Enable SSA dead code elimination optimization on trees - -ftree-dominator-opts -Common Report Var(flag_tree_dom) PerFunc -Enable dominator optimizations - -ftree-dse -Common Report Var(flag_tree_dse) PerFunc -Enable dead store elimination - -ftree-fre -Common Report Var(flag_tree_fre) PerFunc -Enable Full Redundancy Elimination (FRE) on trees - -ftree-loop-im -Common Report Var(flag_tree_loop_im) Init(1) PerFunc -Enable loop invariant motion on trees - -ftree-loop-linear -Common Report Var(flag_tree_loop_linear) PerFunc -Enable linear loop transforms on trees - -ftree-loop-ivcanon -Common Report Var(flag_tree_loop_ivcanon) Init(1) PerFunc -Create canonical induction variables in loops - -; APPLE LOCAL begin loops-to-memset -ftree-loop-memset -Common Report Var(flag_tree_loop_memset) Init(0) PerFunc -Transform appropriate loops to memset calls -; APPLE LOCAL end loops-to-memset - -ftree-loop-optimize -Common Report Var(flag_tree_loop_optimize) Init(1) PerFunc -Enable loop optimizations on tree level - -ftree-pre -Common Report Var(flag_tree_pre) PerFunc -Enable SSA-PRE optimization on trees - -ftree-salias -Common Report Var(flag_tree_salias) -Perform structural alias analysis - -ftree-sink -Common Report Var(flag_tree_sink) -Enable SSA code sinking on trees - -ftree-sra -Common Report Var(flag_tree_sra) PerFunc -Perform scalar replacement of aggregates - -ftree-ter -Common Report Var(flag_tree_ter) PerFunc -Replace temporary expressions in the SSA->normal pass - -ftree-lrs -Common Report Var(flag_tree_live_range_split) PerFunc -Perform live range splitting during the SSA->normal pass -; APPLE LOCAL end optimization pragmas 3124235/3420242 - -ftree-vrp -Common Report Var(flag_tree_vrp) Init(0) -Perform Value Range Propagation on trees - -funit-at-a-time -Common Report Var(flag_unit_at_a_time) -Compile whole compilation unit at a time - -; APPLE LOCAL begin optimization pragmas 3124235/3420242 -funroll-loops -Common Report Var(flag_unroll_loops) PerFunc -Perform loop unrolling when iteration count is known - -funroll-all-loops -Common Report Var(flag_unroll_all_loops) PerFunc -Perform loop unrolling for all loops - -; Nonzero means that loop optimizer may assume that the induction variables -; that control loops do not overflow and that the loops with nontrivial -; exit condition are not infinite -funsafe-loop-optimizations -Common Report Var(flag_unsafe_loop_optimizations) -Allow loop optimizations to assume that the loops behave in normal way - -; Nonzero means that unsafe floating-point math optimizations are allowed -; for the sake of speed. IEEE compliance is not guaranteed, and operations -; are allowed to assume that their arguments and results are "normal" -; (e.g., nonnegative for SQRT). -funsafe-math-optimizations -Common Report Var(flag_unsafe_math_optimizations) PerFunc -Allow math optimizations that may violate IEEE or ISO standards - -funswitch-loops -Common Report Var(flag_unswitch_loops) PerFunc -Perform loop unswitching -; APPLE LOCAL end optimization pragmas 3124235/3420242 - -funwind-tables -Common Report Var(flag_unwind_tables) -Just generate unwind tables for exception handling - -; APPLE LOCAL begin new profiling flag -fuse-profile -Common -Enable common options for performing profile feedback directed optimizations -; APPLE LOCAL end new profiling flag - -fvar-tracking -Common Report Var(flag_var_tracking) VarExists -Perform variable tracking - -; APPLE LOCAL begin optimization pragmas 3124235/3420242 -ftree-vectorize -Common Report Var(flag_tree_vectorize) PerFunc -Enable loop vectorization on trees -; APPLE LOCAL end optimization pragmas 3124235/3420242 - -ftree-vect-loop-version -Common Report Var(flag_tree_vect_loop_version) Init(1) -Enable loop versioning when doing loop vectorization on trees - -ftree-vectorizer-verbose= -Common RejectNegative Joined --ftree-vectorizer-verbose=<number> Set the verbosity level of the vectorizer - -; -fverbose-asm causes extra commentary information to be produced in -; the generated assembly code (to make it more readable). This option -; is generally only of use to those who actually need to read the -; generated assembly code (perhaps while debugging the compiler itself). -; -fno-verbose-asm, the default, causes the extra information -; to not be added and is useful when comparing two assembler files. -fverbose-asm -Common Report Var(flag_verbose_asm) -Add extra commentary to assembler output - -fvisibility= -Common Joined RejectNegative --fvisibility=[default|internal|hidden|protected] Set the default symbol visibility - - -fvpt -Common Report Var(flag_value_profile_transformations) -Use expression value profiles in optimizations - -; APPLE LOCAL begin optimization pragmas 3124235/3420242 -fweb -Common Report Var(flag_web) Init(2) PerFunc VarUint -Construct webs and split unrelated uses of single variable - -fwhole-program -Common Report Var(flag_whole_program) Init(0) -Perform whole program optimizations - -fwrapv -Common Report Var(flag_wrapv) PerFunc -Assume signed arithmetic overflow wraps around -; APPLE LOCAL end optimization pragmas 3124235/3420242 - -; APPLE LOCAL begin fwritable strings -fwritable-strings -Common Report Var(flag_writable_strings) VarExists -Store strings in writable data section -; APPLE LOCAL end fwritable strings - -; APPLE LOCAL begin mainline in darwin.opt -; APPLE LOCAL begin iframework for 4.3 add C++ 4094959 -fapple-kext -Target Report C++ Var(flag_apple_kext) -Generate code for darwin loadable kernel extentions -; APPLE LOCAL end iframework for 4.3 add C++ 4094959 - -mkernel -Target Report Var(flag_mkernel) -Generate code for the kernel or loadable kernel extentions -; APPLE LOCAL end mainline in darwin.opt - -; APPLE LOCAL begin iframework for 4.3 darwin.opt 4094959 -iframework -Target RejectNegative C ObjC C++ ObjC++ Joined Separate --iframework <dir> Add <dir> to the end of the system framework include path -; APPLE LOCAL end iframework for 4.3 darwin.opt 4094959 - -fzero-initialized-in-bss -Common Report Var(flag_zero_initialized_in_bss) Init(1) -Put zero initialized data in the bss section - -g -Common JoinedOrMissing -Generate debug information in default format - -gcoff -Common JoinedOrMissing Negative(gdwarf-2) -Generate debug information in COFF format - -gdwarf-2 -Common JoinedOrMissing Negative(gstabs) -Generate debug information in DWARF v2 format - -ggdb -Common JoinedOrMissing -Generate debug information in default extended format - -gstabs -Common JoinedOrMissing Negative(gstabs+) -Generate debug information in STABS format - -gstabs+ -Common JoinedOrMissing Negative(gvms) -Generate debug information in extended STABS format - -gvms -Common JoinedOrMissing Negative(gxcoff) -Generate debug information in VMS format - -gxcoff -Common JoinedOrMissing Negative(gxcoff+) -Generate debug information in XCOFF format - -gxcoff+ -Common JoinedOrMissing Negative(gcoff) -Generate debug information in extended XCOFF format - -o -Common Joined Separate --o <file> Place output into <file> - -; APPLE LOCAL begin optimization pragmas 3124235/3420242 -p -Common Var(profile_flag) VarExists -Enable function profiling -; APPLE LOCAL end optimization pragmas 3124235/3420242 - -pedantic -Common Var(pedantic) -Issue warnings needed for strict compliance to the standard - -pedantic-errors -Common -Like -pedantic but issue them as errors - -quiet -Common Var(quiet_flag) -Do not display functions compiled or elapsed time - -version -Common Var(version_flag) -Display the compiler's version - -w -Common Var(inhibit_warnings) -Suppress warnings - -; This comment is to ensure we retain the blank line above. |