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diff --git a/share/doc/gcc/Option-Summary.html b/share/doc/gcc/Option-Summary.html new file mode 100644 index 0000000..71a53e7 --- /dev/null +++ b/share/doc/gcc/Option-Summary.html @@ -0,0 +1,1552 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> +<html> +<!-- This file documents the use of the GNU compilers. + +Copyright (C) 1988-2023 Free Software Foundation, Inc. + +Permission is granted to copy, distribute and/or modify this document +under the terms of the GNU Free Documentation License, Version 1.3 or +any later version published by the Free Software Foundation; with the +Invariant Sections being "Funding Free Software", the Front-Cover +Texts being (a) (see below), and with the Back-Cover Texts being (b) +(see below). A copy of the license is included in the section entitled +"GNU Free Documentation License". + +(a) The FSF's Front-Cover Text is: + +A GNU Manual + +(b) The FSF's Back-Cover Text is: + +You have freedom to copy and modify this GNU Manual, like GNU + software. Copies published by the Free Software Foundation raise + funds for GNU development. --> +<!-- Created by GNU Texinfo 5.1, http://www.gnu.org/software/texinfo/ --> +<head> +<title>Using the GNU Compiler Collection (GCC): Option Summary</title> + +<meta name="description" content="Using the GNU Compiler Collection (GCC): Option Summary"> +<meta name="keywords" content="Using the GNU Compiler Collection (GCC): Option Summary"> +<meta name="resource-type" content="document"> +<meta name="distribution" content="global"> +<meta name="Generator" content="makeinfo"> +<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> +<link href="index.html#Top" rel="start" title="Top"> +<link href="Indices.html#Indices" rel="index" title="Indices"> +<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> +<link href="Invoking-GCC.html#Invoking-GCC" rel="up" title="Invoking GCC"> +<link href="Overall-Options.html#Overall-Options" rel="next" title="Overall Options"> +<link href="Invoking-GCC.html#Invoking-GCC" rel="previous" title="Invoking GCC"> +<style type="text/css"> +<!-- +a.summary-letter {text-decoration: none} +blockquote.smallquotation {font-size: smaller} +div.display {margin-left: 3.2em} +div.example {margin-left: 3.2em} +div.indentedblock {margin-left: 3.2em} +div.lisp {margin-left: 3.2em} +div.smalldisplay {margin-left: 3.2em} +div.smallexample {margin-left: 3.2em} +div.smallindentedblock {margin-left: 3.2em; font-size: smaller} +div.smalllisp {margin-left: 3.2em} +kbd {font-style:oblique} +pre.display {font-family: inherit} +pre.format {font-family: inherit} +pre.menu-comment {font-family: serif} +pre.menu-preformatted {font-family: serif} +pre.smalldisplay {font-family: inherit; font-size: smaller} +pre.smallexample {font-size: smaller} +pre.smallformat {font-family: inherit; font-size: smaller} +pre.smalllisp {font-size: smaller} +span.nocodebreak {white-space:nowrap} +span.nolinebreak {white-space:nowrap} +span.roman {font-family:serif; font-weight:normal} +span.sansserif {font-family:sans-serif; font-weight:normal} +ul.no-bullet {list-style: none} +--> +</style> + + +</head> + +<body lang="en_US" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000"> +<a name="Option-Summary"></a> +<div class="header"> +<p> +Next: <a href="Overall-Options.html#Overall-Options" accesskey="n" rel="next">Overall Options</a>, Up: <a href="Invoking-GCC.html#Invoking-GCC" accesskey="u" rel="up">Invoking GCC</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Indices.html#Indices" title="Index" rel="index">Index</a>]</p> +</div> +<hr> +<a name="Option-Summary-1"></a> +<h3 class="section">3.1 Option Summary</h3> + +<p>Here is a summary of all the options, grouped by type. Explanations are +in the following sections. +</p> +<dl compact="compact"> +<dt><em>Overall Options</em></dt> +<dd><p>See <a href="Overall-Options.html#Overall-Options">Options Controlling the Kind of Output</a>. +</p><div class="smallexample"> +<pre class="smallexample">-c -S -E -o <var>file</var> +-dumpbase <var>dumpbase</var> -dumpbase-ext <var>auxdropsuf</var> +-dumpdir <var>dumppfx</var> -x <var>language</var> +-v -### --help<span class="roman">[</span>=<var>class</var><span class="roman">[</span>,…<span class="roman">]]</span> --target-help --version +-pass-exit-codes -pipe -specs=<var>file</var> -wrapper +@<var>file</var> -ffile-prefix-map=<var>old</var>=<var>new</var> -fcanon-prefix-map +-fplugin=<var>file</var> -fplugin-arg-<var>name</var>=<var>arg</var> +-fdump-ada-spec<span class="roman">[</span>-slim<span class="roman">]</span> -fada-spec-parent=<var>unit</var> -fdump-go-spec=<var>file</var> +</pre></div> + +</dd> +<dt><em>C Language Options</em></dt> +<dd><p>See <a href="C-Dialect-Options.html#C-Dialect-Options">Options Controlling C Dialect</a>. +</p><div class="smallexample"> +<pre class="smallexample">-ansi -std=<var>standard</var> -aux-info <var>filename</var> +-fno-asm +-fno-builtin -fno-builtin-<var>function</var> -fcond-mismatch +-ffreestanding -fgimple -fgnu-tm -fgnu89-inline -fhosted +-flax-vector-conversions -fms-extensions +-foffload=<var>arg</var> -foffload-options=<var>arg</var> +-fopenacc -fopenacc-dim=<var>geom</var> +-fopenmp -fopenmp-simd -fopenmp-target-simd-clone<span class="roman">[</span>=<var>device-type</var><span class="roman">]</span> +-fpermitted-flt-eval-methods=<var>standard</var> +-fplan9-extensions -fsigned-bitfields -funsigned-bitfields +-fsigned-char -funsigned-char -fstrict-flex-arrays[=<var>n</var>] +-fsso-struct=<var>endianness</var> +</pre></div> + +</dd> +<dt><em>C++ Language Options</em></dt> +<dd><p>See <a href="C_002b_002b-Dialect-Options.html#C_002b_002b-Dialect-Options">Options Controlling C++ Dialect</a>. +</p><div class="smallexample"> +<pre class="smallexample">-fabi-version=<var>n</var> -fno-access-control +-faligned-new=<var>n</var> -fargs-in-order=<var>n</var> -fchar8_t -fcheck-new +-fconstexpr-depth=<var>n</var> -fconstexpr-cache-depth=<var>n</var> +-fconstexpr-loop-limit=<var>n</var> -fconstexpr-ops-limit=<var>n</var> +-fno-elide-constructors +-fno-enforce-eh-specs +-fno-gnu-keywords +-fno-implicit-templates +-fno-implicit-inline-templates +-fno-implement-inlines +-fmodule-header<span class="roman">[</span>=<var>kind</var><span class="roman">]</span> -fmodule-only -fmodules-ts +-fmodule-implicit-inline +-fno-module-lazy +-fmodule-mapper=<var>specification</var> +-fmodule-version-ignore +-fms-extensions +-fnew-inheriting-ctors +-fnew-ttp-matching +-fno-nonansi-builtins -fnothrow-opt -fno-operator-names +-fno-optional-diags -fpermissive +-fno-pretty-templates +-fno-rtti -fsized-deallocation +-ftemplate-backtrace-limit=<var>n</var> +-ftemplate-depth=<var>n</var> +-fno-threadsafe-statics -fuse-cxa-atexit +-fno-weak -nostdinc++ +-fvisibility-inlines-hidden +-fvisibility-ms-compat +-fext-numeric-literals +-flang-info-include-translate<span class="roman">[</span>=<var>header</var><span class="roman">]</span> +-flang-info-include-translate-not +-flang-info-module-cmi<span class="roman">[</span>=<var>module</var><span class="roman">]</span> +-stdlib=<var>libstdc++,libc++</var> +-Wabi-tag -Wcatch-value -Wcatch-value=<var>n</var> +-Wno-class-conversion -Wclass-memaccess +-Wcomma-subscript -Wconditionally-supported +-Wno-conversion-null -Wctad-maybe-unsupported +-Wctor-dtor-privacy -Wdangling-reference +-Wno-delete-incomplete +-Wdelete-non-virtual-dtor -Wno-deprecated-array-compare +-Wdeprecated-copy -Wdeprecated-copy-dtor +-Wno-deprecated-enum-enum-conversion -Wno-deprecated-enum-float-conversion +-Weffc++ -Wno-exceptions -Wextra-semi -Wno-inaccessible-base +-Wno-inherited-variadic-ctor -Wno-init-list-lifetime +-Winvalid-constexpr -Winvalid-imported-macros +-Wno-invalid-offsetof -Wno-literal-suffix +-Wmismatched-new-delete -Wmismatched-tags +-Wmultiple-inheritance -Wnamespaces -Wnarrowing +-Wnoexcept -Wnoexcept-type -Wnon-virtual-dtor +-Wpessimizing-move -Wno-placement-new -Wplacement-new=<var>n</var> +-Wrange-loop-construct -Wredundant-move -Wredundant-tags +-Wreorder -Wregister +-Wstrict-null-sentinel -Wno-subobject-linkage -Wtemplates +-Wno-non-template-friend -Wold-style-cast +-Woverloaded-virtual -Wno-pmf-conversions -Wself-move -Wsign-promo +-Wsized-deallocation -Wsuggest-final-methods +-Wsuggest-final-types -Wsuggest-override +-Wno-terminate -Wuseless-cast -Wno-vexing-parse +-Wvirtual-inheritance +-Wno-virtual-move-assign -Wvolatile -Wzero-as-null-pointer-constant +</pre></div> + +</dd> +<dt><em>Objective-C and Objective-C++ Language Options</em></dt> +<dd><p>See <a href="Objective_002dC-and-Objective_002dC_002b_002b-Dialect-Options.html#Objective_002dC-and-Objective_002dC_002b_002b-Dialect-Options">Options Controlling +Objective-C and Objective-C++ Dialects</a>. +</p><div class="smallexample"> +<pre class="smallexample">-fconstant-string-class=<var>class-name</var> +-fgnu-runtime -fnext-runtime +-fno-nil-receivers +-fobjc-abi-version=<var>n</var> +-fobjc-call-cxx-cdtors +-fobjc-direct-dispatch +-fobjc-exceptions +-fobjc-gc +-fobjc-nilcheck +-fobjc-std=objc1 +-fno-local-ivars +-fivar-visibility=<span class="roman">[</span>public<span class="roman">|</span>protected<span class="roman">|</span>private<span class="roman">|</span>package<span class="roman">]</span> +-freplace-objc-classes +-fzero-link +-gen-decls +-Wassign-intercept -Wno-property-assign-default +-Wno-protocol -Wobjc-root-class -Wselector +-Wstrict-selector-match +-Wundeclared-selector +</pre></div> + +</dd> +<dt><em>Diagnostic Message Formatting Options</em></dt> +<dd><p>See <a href="Diagnostic-Message-Formatting-Options.html#Diagnostic-Message-Formatting-Options">Options to Control Diagnostic Messages Formatting</a>. +</p><div class="smallexample"> +<pre class="smallexample">-fmessage-length=<var>n</var> +-fdiagnostics-plain-output +-fdiagnostics-show-location=<span class="roman">[</span>once<span class="roman">|</span>every-line<span class="roman">]</span> +-fdiagnostics-color=<span class="roman">[</span>auto<span class="roman">|</span>never<span class="roman">|</span>always<span class="roman">]</span> +-fdiagnostics-urls=<span class="roman">[</span>auto<span class="roman">|</span>never<span class="roman">|</span>always<span class="roman">]</span> +-fdiagnostics-format=<span class="roman">[</span>text<span class="roman">|</span>sarif-stderr<span class="roman">|</span>sarif-file<span class="roman">|</span>json<span class="roman">|</span>json-stderr<span class="roman">|</span>json-file<span class="roman">]</span> +-fno-diagnostics-show-option -fno-diagnostics-show-caret +-fno-diagnostics-show-labels -fno-diagnostics-show-line-numbers +-fno-diagnostics-show-cwe +-fno-diagnostics-show-rule +-fdiagnostics-minimum-margin-width=<var>width</var> +-fdiagnostics-parseable-fixits -fdiagnostics-generate-patch +-fdiagnostics-show-template-tree -fno-elide-type +-fdiagnostics-path-format=<span class="roman">[</span>none<span class="roman">|</span>separate-events<span class="roman">|</span>inline-events<span class="roman">]</span> +-fdiagnostics-show-path-depths +-fno-show-column +-fdiagnostics-column-unit=<span class="roman">[</span>display<span class="roman">|</span>byte<span class="roman">]</span> +-fdiagnostics-column-origin=<var>origin</var> +-fdiagnostics-escape-format=<span class="roman">[</span>unicode<span class="roman">|</span>bytes<span class="roman">]</span> +</pre></div> + +</dd> +<dt><em>Warning Options</em></dt> +<dd><p>See <a href="Warning-Options.html#Warning-Options">Options to Request or Suppress Warnings</a>. +</p><div class="smallexample"> +<pre class="smallexample">-fsyntax-only -fmax-errors=<var>n</var> -Wpedantic +-pedantic-errors +-w -Wextra -Wall -Wabi=<var>n</var> +-Waddress -Wno-address-of-packed-member -Waggregate-return +-Walloc-size-larger-than=<var>byte-size</var> -Walloc-zero +-Walloca -Walloca-larger-than=<var>byte-size</var> +-Wno-aggressive-loop-optimizations +-Warith-conversion +-Warray-bounds -Warray-bounds=<var>n</var> -Warray-compare +-Wno-attributes -Wattribute-alias=<var>n</var> -Wno-attribute-alias +-Wno-attribute-warning +-Wbidi-chars=<span class="roman">[</span>none<span class="roman">|</span>unpaired<span class="roman">|</span>any<span class="roman">|</span>ucn<span class="roman">]</span> +-Wbool-compare -Wbool-operation +-Wno-builtin-declaration-mismatch +-Wno-builtin-macro-redefined -Wc90-c99-compat -Wc99-c11-compat +-Wc11-c2x-compat +-Wc++-compat -Wc++11-compat -Wc++14-compat -Wc++17-compat +-Wc++20-compat +-Wno-c++11-extensions -Wno-c++14-extensions -Wno-c++17-extensions +-Wno-c++20-extensions -Wno-c++23-extensions +-Wcast-align -Wcast-align=strict -Wcast-function-type -Wcast-qual +-Wchar-subscripts +-Wclobbered -Wcomment +-Wno-complain-wrong-lang +-Wconversion -Wno-coverage-mismatch -Wno-cpp +-Wdangling-else -Wdangling-pointer -Wdangling-pointer=<var>n</var> +-Wdate-time +-Wno-deprecated -Wno-deprecated-declarations -Wno-designated-init +-Wdisabled-optimization +-Wno-discarded-array-qualifiers -Wno-discarded-qualifiers +-Wno-div-by-zero -Wdouble-promotion +-Wduplicated-branches -Wduplicated-cond +-Wempty-body -Wno-endif-labels -Wenum-compare -Wenum-conversion +-Wenum-int-mismatch +-Werror -Werror=* -Wexpansion-to-defined -Wfatal-errors +-Wfloat-conversion -Wfloat-equal -Wformat -Wformat=2 +-Wno-format-contains-nul -Wno-format-extra-args +-Wformat-nonliteral -Wformat-overflow=<var>n</var> +-Wformat-security -Wformat-signedness -Wformat-truncation=<var>n</var> +-Wformat-y2k -Wframe-address +-Wframe-larger-than=<var>byte-size</var> -Wno-free-nonheap-object +-Wno-if-not-aligned -Wno-ignored-attributes +-Wignored-qualifiers -Wno-incompatible-pointer-types +-Wimplicit -Wimplicit-fallthrough -Wimplicit-fallthrough=<var>n</var> +-Wno-implicit-function-declaration -Wno-implicit-int +-Winfinite-recursion +-Winit-self -Winline -Wno-int-conversion -Wint-in-bool-context +-Wno-int-to-pointer-cast -Wno-invalid-memory-model +-Winvalid-pch -Winvalid-utf8 -Wno-unicode -Wjump-misses-init +-Wlarger-than=<var>byte-size</var> -Wlogical-not-parentheses -Wlogical-op +-Wlong-long -Wno-lto-type-mismatch -Wmain -Wmaybe-uninitialized +-Wmemset-elt-size -Wmemset-transposed-args +-Wmisleading-indentation -Wmissing-attributes -Wmissing-braces +-Wmissing-field-initializers -Wmissing-format-attribute +-Wmissing-include-dirs -Wmissing-noreturn -Wno-missing-profile +-Wno-multichar -Wmultistatement-macros -Wnonnull -Wnonnull-compare +-Wnormalized=<span class="roman">[</span>none<span class="roman">|</span>id<span class="roman">|</span>nfc<span class="roman">|</span>nfkc<span class="roman">]</span> +-Wnull-dereference -Wno-odr +-Wopenacc-parallelism +-Wopenmp-simd +-Wno-overflow -Woverlength-strings -Wno-override-init-side-effects +-Wpacked -Wno-packed-bitfield-compat -Wpacked-not-aligned -Wpadded +-Wparentheses -Wno-pedantic-ms-format +-Wpointer-arith -Wno-pointer-compare -Wno-pointer-to-int-cast +-Wno-pragmas -Wno-prio-ctor-dtor -Wredundant-decls +-Wrestrict -Wno-return-local-addr -Wreturn-type +-Wno-scalar-storage-order -Wsequence-point +-Wshadow -Wshadow=global -Wshadow=local -Wshadow=compatible-local +-Wno-shadow-ivar +-Wno-shift-count-negative -Wno-shift-count-overflow -Wshift-negative-value +-Wno-shift-overflow -Wshift-overflow=<var>n</var> +-Wsign-compare -Wsign-conversion +-Wno-sizeof-array-argument +-Wsizeof-array-div +-Wsizeof-pointer-div -Wsizeof-pointer-memaccess +-Wstack-protector -Wstack-usage=<var>byte-size</var> -Wstrict-aliasing +-Wstrict-aliasing=n -Wstrict-overflow -Wstrict-overflow=<var>n</var> +-Wstring-compare +-Wno-stringop-overflow -Wno-stringop-overread +-Wno-stringop-truncation -Wstrict-flex-arrays +-Wsuggest-attribute=<span class="roman">[</span>pure<span class="roman">|</span>const<span class="roman">|</span>noreturn<span class="roman">|</span>format<span class="roman">|</span>malloc<span class="roman">]</span> +-Wswitch -Wno-switch-bool -Wswitch-default -Wswitch-enum +-Wno-switch-outside-range -Wno-switch-unreachable -Wsync-nand +-Wsystem-headers -Wtautological-compare -Wtrampolines -Wtrigraphs +-Wtrivial-auto-var-init -Wtsan -Wtype-limits -Wundef +-Wuninitialized -Wunknown-pragmas +-Wunsuffixed-float-constants -Wunused +-Wunused-but-set-parameter -Wunused-but-set-variable +-Wunused-const-variable -Wunused-const-variable=<var>n</var> +-Wunused-function -Wunused-label -Wunused-local-typedefs +-Wunused-macros +-Wunused-parameter -Wno-unused-result +-Wunused-value -Wunused-variable +-Wno-varargs -Wvariadic-macros +-Wvector-operation-performance +-Wvla -Wvla-larger-than=<var>byte-size</var> -Wno-vla-larger-than +-Wvolatile-register-var -Wwrite-strings +-Wxor-used-as-pow +-Wzero-length-bounds +</pre></div> + +</dd> +<dt><em>Static Analyzer Options</em></dt> +<dd><div class="smallexample"> +<pre class="smallexample">-fanalyzer +-fanalyzer-call-summaries +-fanalyzer-checker=<var>name</var> +-fno-analyzer-feasibility +-fanalyzer-fine-grained +-fno-analyzer-state-merge +-fno-analyzer-state-purge +-fno-analyzer-suppress-followups +-fanalyzer-transitivity +-fno-analyzer-undo-inlining +-fanalyzer-verbose-edges +-fanalyzer-verbose-state-changes +-fanalyzer-verbosity=<var>level</var> +-fdump-analyzer +-fdump-analyzer-callgraph +-fdump-analyzer-exploded-graph +-fdump-analyzer-exploded-nodes +-fdump-analyzer-exploded-nodes-2 +-fdump-analyzer-exploded-nodes-3 +-fdump-analyzer-exploded-paths +-fdump-analyzer-feasibility +-fdump-analyzer-json +-fdump-analyzer-state-purge +-fdump-analyzer-stderr +-fdump-analyzer-supergraph +-fdump-analyzer-untracked +-Wno-analyzer-double-fclose +-Wno-analyzer-double-free +-Wno-analyzer-exposure-through-output-file +-Wno-analyzer-exposure-through-uninit-copy +-Wno-analyzer-fd-access-mode-mismatch +-Wno-analyzer-fd-double-close +-Wno-analyzer-fd-leak +-Wno-analyzer-fd-phase-mismatch +-Wno-analyzer-fd-type-mismatch +-Wno-analyzer-fd-use-after-close +-Wno-analyzer-fd-use-without-check +-Wno-analyzer-file-leak +-Wno-analyzer-free-of-non-heap +-Wno-analyzer-imprecise-fp-arithmetic +-Wno-analyzer-infinite-recursion +-Wno-analyzer-jump-through-null +-Wno-analyzer-malloc-leak +-Wno-analyzer-mismatching-deallocation +-Wno-analyzer-null-argument +-Wno-analyzer-null-dereference +-Wno-analyzer-out-of-bounds +-Wno-analyzer-possible-null-argument +-Wno-analyzer-possible-null-dereference +-Wno-analyzer-putenv-of-auto-var +-Wno-analyzer-shift-count-negative +-Wno-analyzer-shift-count-overflow +-Wno-analyzer-stale-setjmp-buffer +-Wno-analyzer-tainted-allocation-size +-Wno-analyzer-tainted-assertion +-Wno-analyzer-tainted-array-index +-Wno-analyzer-tainted-divisor +-Wno-analyzer-tainted-offset +-Wno-analyzer-tainted-size +-Wanalyzer-too-complex +-Wno-analyzer-unsafe-call-within-signal-handler +-Wno-analyzer-use-after-free +-Wno-analyzer-use-of-pointer-in-stale-stack-frame +-Wno-analyzer-use-of-uninitialized-value +-Wno-analyzer-va-arg-type-mismatch +-Wno-analyzer-va-list-exhausted +-Wno-analyzer-va-list-leak +-Wno-analyzer-va-list-use-after-va-end +-Wno-analyzer-write-to-const +-Wno-analyzer-write-to-string-literal + +</pre></div> + +</dd> +<dt><em>C and Objective-C-only Warning Options</em></dt> +<dd><div class="smallexample"> +<pre class="smallexample">-Wbad-function-cast -Wmissing-declarations +-Wmissing-parameter-type -Wmissing-prototypes -Wnested-externs +-Wold-style-declaration -Wold-style-definition +-Wstrict-prototypes -Wtraditional -Wtraditional-conversion +-Wdeclaration-after-statement -Wpointer-sign +</pre></div> + +</dd> +<dt><em>Debugging Options</em></dt> +<dd><p>See <a href="Debugging-Options.html#Debugging-Options">Options for Debugging Your Program</a>. +</p><div class="smallexample"> +<pre class="smallexample">-g -g<var>level</var> -gdwarf -gdwarf-<var>version</var> +-gbtf -gctf -gctf<var>level</var> +-ggdb -grecord-gcc-switches -gno-record-gcc-switches +-gstrict-dwarf -gno-strict-dwarf +-gas-loc-support -gno-as-loc-support +-gas-locview-support -gno-as-locview-support +-gcolumn-info -gno-column-info -gdwarf32 -gdwarf64 +-gstatement-frontiers -gno-statement-frontiers +-gvariable-location-views -gno-variable-location-views +-ginternal-reset-location-views -gno-internal-reset-location-views +-ginline-points -gno-inline-points +-gvms -gz<span class="roman">[</span>=<var>type</var><span class="roman">]</span> +-gsplit-dwarf -gdescribe-dies -gno-describe-dies +-fdebug-prefix-map=<var>old</var>=<var>new</var> -fdebug-types-section +-fno-eliminate-unused-debug-types +-femit-struct-debug-baseonly -femit-struct-debug-reduced +-femit-struct-debug-detailed<span class="roman">[</span>=<var>spec-list</var><span class="roman">]</span> +-fno-eliminate-unused-debug-symbols -femit-class-debug-always +-fno-merge-debug-strings -fno-dwarf2-cfi-asm +-fvar-tracking -fvar-tracking-assignments +</pre></div> + +</dd> +<dt><em>Optimization Options</em></dt> +<dd><p>See <a href="Optimize-Options.html#Optimize-Options">Options that Control Optimization</a>. +</p><div class="smallexample"> +<pre class="smallexample">-faggressive-loop-optimizations +-falign-functions[=<var>n</var>[:<var>m</var>:[<var>n2</var>[:<var>m2</var>]]]] +-falign-jumps[=<var>n</var>[:<var>m</var>:[<var>n2</var>[:<var>m2</var>]]]] +-falign-labels[=<var>n</var>[:<var>m</var>:[<var>n2</var>[:<var>m2</var>]]]] +-falign-loops[=<var>n</var>[:<var>m</var>:[<var>n2</var>[:<var>m2</var>]]]] +-fno-allocation-dce -fallow-store-data-races +-fassociative-math -fauto-profile -fauto-profile[=<var>path</var>] +-fauto-inc-dec -fbranch-probabilities +-fcaller-saves +-fcombine-stack-adjustments -fconserve-stack +-fcompare-elim -fcprop-registers -fcrossjumping +-fcse-follow-jumps -fcse-skip-blocks -fcx-fortran-rules +-fcx-limited-range +-fdata-sections -fdce -fdelayed-branch +-fdelete-null-pointer-checks -fdevirtualize -fdevirtualize-speculatively +-fdevirtualize-at-ltrans -fdse +-fearly-inlining -fipa-sra -fexpensive-optimizations -ffat-lto-objects +-ffast-math -ffinite-math-only -ffloat-store -fexcess-precision=<var>style</var> +-ffinite-loops +-fforward-propagate -ffp-contract=<var>style</var> -ffunction-sections +-fgcse -fgcse-after-reload -fgcse-las -fgcse-lm -fgraphite-identity +-fgcse-sm -fhoist-adjacent-loads -fif-conversion +-fif-conversion2 -findirect-inlining +-finline-functions -finline-functions-called-once -finline-limit=<var>n</var> +-finline-small-functions -fipa-modref -fipa-cp -fipa-cp-clone +-fipa-bit-cp -fipa-vrp -fipa-pta -fipa-profile -fipa-pure-const +-fipa-reference -fipa-reference-addressable +-fipa-stack-alignment -fipa-icf -fira-algorithm=<var>algorithm</var> +-flive-patching=<var>level</var> +-fira-region=<var>region</var> -fira-hoist-pressure +-fira-loop-pressure -fno-ira-share-save-slots +-fno-ira-share-spill-slots +-fisolate-erroneous-paths-dereference -fisolate-erroneous-paths-attribute +-fivopts -fkeep-inline-functions -fkeep-static-functions +-fkeep-static-consts -flimit-function-alignment -flive-range-shrinkage +-floop-block -floop-interchange -floop-strip-mine +-floop-unroll-and-jam -floop-nest-optimize +-floop-parallelize-all -flra-remat -flto -flto-compression-level +-flto-partition=<var>alg</var> -fmerge-all-constants +-fmerge-constants -fmodulo-sched -fmodulo-sched-allow-regmoves +-fmove-loop-invariants -fmove-loop-stores -fno-branch-count-reg +-fno-defer-pop -fno-fp-int-builtin-inexact -fno-function-cse +-fno-guess-branch-probability -fno-inline -fno-math-errno -fno-peephole +-fno-peephole2 -fno-printf-return-value -fno-sched-interblock +-fno-sched-spec -fno-signed-zeros +-fno-toplevel-reorder -fno-trapping-math -fno-zero-initialized-in-bss +-fomit-frame-pointer -foptimize-sibling-calls +-fpartial-inlining -fpeel-loops -fpredictive-commoning +-fprefetch-loop-arrays +-fprofile-correction +-fprofile-use -fprofile-use=<var>path</var> -fprofile-partial-training +-fprofile-values -fprofile-reorder-functions +-freciprocal-math -free -frename-registers -freorder-blocks +-freorder-blocks-algorithm=<var>algorithm</var> +-freorder-blocks-and-partition -freorder-functions +-frerun-cse-after-loop -freschedule-modulo-scheduled-loops +-frounding-math -fsave-optimization-record +-fsched2-use-superblocks -fsched-pressure +-fsched-spec-load -fsched-spec-load-dangerous +-fsched-stalled-insns-dep[=<var>n</var>] -fsched-stalled-insns[=<var>n</var>] +-fsched-group-heuristic -fsched-critical-path-heuristic +-fsched-spec-insn-heuristic -fsched-rank-heuristic +-fsched-last-insn-heuristic -fsched-dep-count-heuristic +-fschedule-fusion +-fschedule-insns -fschedule-insns2 -fsection-anchors +-fselective-scheduling -fselective-scheduling2 +-fsel-sched-pipelining -fsel-sched-pipelining-outer-loops +-fsemantic-interposition -fshrink-wrap -fshrink-wrap-separate +-fsignaling-nans +-fsingle-precision-constant -fsplit-ivs-in-unroller -fsplit-loops +-fsplit-paths +-fsplit-wide-types -fsplit-wide-types-early -fssa-backprop -fssa-phiopt +-fstdarg-opt -fstore-merging -fstrict-aliasing -fipa-strict-aliasing +-fthread-jumps -ftracer -ftree-bit-ccp +-ftree-builtin-call-dce -ftree-ccp -ftree-ch +-ftree-coalesce-vars -ftree-copy-prop -ftree-dce -ftree-dominator-opts +-ftree-dse -ftree-forwprop -ftree-fre -fcode-hoisting +-ftree-loop-if-convert -ftree-loop-im +-ftree-phiprop -ftree-loop-distribution -ftree-loop-distribute-patterns +-ftree-loop-ivcanon -ftree-loop-linear -ftree-loop-optimize +-ftree-loop-vectorize +-ftree-parallelize-loops=<var>n</var> -ftree-pre -ftree-partial-pre -ftree-pta +-ftree-reassoc -ftree-scev-cprop -ftree-sink -ftree-slsr -ftree-sra +-ftree-switch-conversion -ftree-tail-merge +-ftree-ter -ftree-vectorize -ftree-vrp -ftrivial-auto-var-init +-funconstrained-commons -funit-at-a-time -funroll-all-loops +-funroll-loops -funsafe-math-optimizations -funswitch-loops +-fipa-ra -fvariable-expansion-in-unroller -fvect-cost-model -fvpt +-fweb -fwhole-program -fwpa -fuse-linker-plugin -fzero-call-used-regs +--param <var>name</var>=<var>value</var> +-O -O0 -O1 -O2 -O3 -Os -Ofast -Og -Oz +</pre></div> + +</dd> +<dt><em>Program Instrumentation Options</em></dt> +<dd><p>See <a href="Instrumentation-Options.html#Instrumentation-Options">Program Instrumentation Options</a>. +</p><div class="smallexample"> +<pre class="smallexample">-p -pg -fprofile-arcs --coverage -ftest-coverage +-fprofile-abs-path +-fprofile-dir=<var>path</var> -fprofile-generate -fprofile-generate=<var>path</var> +-fprofile-info-section -fprofile-info-section=<var>name</var> +-fprofile-note=<var>path</var> -fprofile-prefix-path=<var>path</var> +-fprofile-update=<var>method</var> -fprofile-filter-files=<var>regex</var> +-fprofile-exclude-files=<var>regex</var> +-fprofile-reproducible=<span class="roman">[</span>multithreaded<span class="roman">|</span>parallel-runs<span class="roman">|</span>serial<span class="roman">]</span> +-fsanitize=<var>style</var> -fsanitize-recover -fsanitize-recover=<var>style</var> +-fsanitize-trap -fsanitize-trap=<var>style</var> +-fasan-shadow-offset=<var>number</var> -fsanitize-sections=<var>s1</var>,<var>s2</var>,... +-fsanitize-undefined-trap-on-error -fbounds-check +-fcf-protection=<span class="roman">[</span>full<span class="roman">|</span>branch<span class="roman">|</span>return<span class="roman">|</span>none<span class="roman">|</span>check<span class="roman">]</span> +-fharden-compares -fharden-conditional-branches +-fstack-protector -fstack-protector-all -fstack-protector-strong +-fstack-protector-explicit -fstack-check +-fstack-limit-register=<var>reg</var> -fstack-limit-symbol=<var>sym</var> +-fno-stack-limit -fsplit-stack +-fvtable-verify=<span class="roman">[</span>std<span class="roman">|</span>preinit<span class="roman">|</span>none<span class="roman">]</span> +-fvtv-counts -fvtv-debug +-finstrument-functions -finstrument-functions-once +-finstrument-functions-exclude-function-list=<var>sym</var>,<var>sym</var>,… +-finstrument-functions-exclude-file-list=<var>file</var>,<var>file</var>,… +-fprofile-prefix-map=<var>old</var>=<var>new</var> +</pre></div> + +</dd> +<dt><em>Preprocessor Options</em></dt> +<dd><p>See <a href="Preprocessor-Options.html#Preprocessor-Options">Options Controlling the Preprocessor</a>. +</p><div class="smallexample"> +<pre class="smallexample">-A<var>question</var>=<var>answer</var> +-A-<var>question</var><span class="roman">[</span>=<var>answer</var><span class="roman">]</span> +-C -CC -D<var>macro</var><span class="roman">[</span>=<var>defn</var><span class="roman">]</span> +-dD -dI -dM -dN -dU +-fdebug-cpp -fdirectives-only -fdollars-in-identifiers +-fexec-charset=<var>charset</var> -fextended-identifiers +-finput-charset=<var>charset</var> -flarge-source-files +-fmacro-prefix-map=<var>old</var>=<var>new</var> -fmax-include-depth=<var>depth</var> +-fno-canonical-system-headers -fpch-deps -fpch-preprocess +-fpreprocessed -ftabstop=<var>width</var> -ftrack-macro-expansion +-fwide-exec-charset=<var>charset</var> -fworking-directory +-H -imacros <var>file</var> -include <var>file</var> +-M -MD -MF -MG -MM -MMD -MP -MQ -MT -Mno-modules +-no-integrated-cpp -P -pthread -remap +-traditional -traditional-cpp -trigraphs +-U<var>macro</var> -undef +-Wp,<var>option</var> -Xpreprocessor <var>option</var> +</pre></div> + +</dd> +<dt><em>Assembler Options</em></dt> +<dd><p>See <a href="Assembler-Options.html#Assembler-Options">Passing Options to the Assembler</a>. +</p><div class="smallexample"> +<pre class="smallexample">-Wa,<var>option</var> -Xassembler <var>option</var> +</pre></div> + +</dd> +<dt><em>Linker Options</em></dt> +<dd><p>See <a href="Link-Options.html#Link-Options">Options for Linking</a>. +</p><div class="smallexample"> +<pre class="smallexample"><var>object-file-name</var> -fuse-ld=<var>linker</var> -l<var>library</var> +-nostartfiles -nodefaultlibs -nolibc -nostdlib -nostdlib++ +-e <var>entry</var> --entry=<var>entry</var> +-pie -pthread -r -rdynamic +-s -static -static-pie -static-libgcc -static-libstdc++ +-static-libasan -static-libtsan -static-liblsan -static-libubsan +-shared -shared-libgcc -symbolic +-T <var>script</var> -Wl,<var>option</var> -Xlinker <var>option</var> +-u <var>symbol</var> -z <var>keyword</var> +</pre></div> + +</dd> +<dt><em>Directory Options</em></dt> +<dd><p>See <a href="Directory-Options.html#Directory-Options">Options for Directory Search</a>. +</p><div class="smallexample"> +<pre class="smallexample">-B<var>prefix</var> -I<var>dir</var> -I- +-idirafter <var>dir</var> +-imacros <var>file</var> -imultilib <var>dir</var> +-iplugindir=<var>dir</var> -iprefix <var>file</var> +-iquote <var>dir</var> -isysroot <var>dir</var> -isystem <var>dir</var> +-iwithprefix <var>dir</var> -iwithprefixbefore <var>dir</var> +-L<var>dir</var> -no-canonical-prefixes --no-sysroot-suffix +-nostdinc -nostdinc++ --sysroot=<var>dir</var> +</pre></div> + +</dd> +<dt><em>Code Generation Options</em></dt> +<dd><p>See <a href="Code-Gen-Options.html#Code-Gen-Options">Options for Code Generation Conventions</a>. +</p><div class="smallexample"> +<pre class="smallexample">-fcall-saved-<var>reg</var> -fcall-used-<var>reg</var> +-ffixed-<var>reg</var> -fexceptions +-fnon-call-exceptions -fdelete-dead-exceptions -funwind-tables +-fasynchronous-unwind-tables +-fno-gnu-unique +-finhibit-size-directive -fcommon -fno-ident +-fpcc-struct-return -fpic -fPIC -fpie -fPIE -fno-plt +-fno-jump-tables -fno-bit-tests +-frecord-gcc-switches +-freg-struct-return -fshort-enums -fshort-wchar +-fverbose-asm -fpack-struct[=<var>n</var>] +-fleading-underscore -ftls-model=<var>model</var> +-fstack-reuse=<var>reuse_level</var> +-ftrampolines -ftrapv -fwrapv +-fvisibility=<span class="roman">[</span>default<span class="roman">|</span>internal<span class="roman">|</span>hidden<span class="roman">|</span>protected<span class="roman">]</span> +-fstrict-volatile-bitfields -fsync-libcalls +</pre></div> + +</dd> +<dt><em>Developer Options</em></dt> +<dd><p>See <a href="Developer-Options.html#Developer-Options">GCC Developer Options</a>. +</p><div class="smallexample"> +<pre class="smallexample">-d<var>letters</var> -dumpspecs -dumpmachine -dumpversion +-dumpfullversion -fcallgraph-info<span class="roman">[</span>=su,da<span class="roman">]</span> +-fchecking -fchecking=<var>n</var> +-fdbg-cnt-list -fdbg-cnt=<var>counter-value-list</var> +-fdisable-ipa-<var>pass_name</var> +-fdisable-rtl-<var>pass_name</var> +-fdisable-rtl-<var>pass-name</var>=<var>range-list</var> +-fdisable-tree-<var>pass_name</var> +-fdisable-tree-<var>pass-name</var>=<var>range-list</var> +-fdump-debug -fdump-earlydebug +-fdump-noaddr -fdump-unnumbered -fdump-unnumbered-links +-fdump-final-insns<span class="roman">[</span>=<var>file</var><span class="roman">]</span> +-fdump-ipa-all -fdump-ipa-cgraph -fdump-ipa-inline +-fdump-lang-all +-fdump-lang-<var>switch</var> +-fdump-lang-<var>switch</var>-<var>options</var> +-fdump-lang-<var>switch</var>-<var>options</var>=<var>filename</var> +-fdump-passes +-fdump-rtl-<var>pass</var> -fdump-rtl-<var>pass</var>=<var>filename</var> +-fdump-statistics +-fdump-tree-all +-fdump-tree-<var>switch</var> +-fdump-tree-<var>switch</var>-<var>options</var> +-fdump-tree-<var>switch</var>-<var>options</var>=<var>filename</var> +-fcompare-debug<span class="roman">[</span>=<var>opts</var><span class="roman">]</span> -fcompare-debug-second +-fenable-<var>kind</var>-<var>pass</var> +-fenable-<var>kind</var>-<var>pass</var>=<var>range-list</var> +-fira-verbose=<var>n</var> +-flto-report -flto-report-wpa -fmem-report-wpa +-fmem-report -fpre-ipa-mem-report -fpost-ipa-mem-report +-fopt-info -fopt-info-<var>options</var><span class="roman">[</span>=<var>file</var><span class="roman">]</span> +-fmultiflags -fprofile-report +-frandom-seed=<var>string</var> -fsched-verbose=<var>n</var> +-fsel-sched-verbose -fsel-sched-dump-cfg -fsel-sched-pipelining-verbose +-fstats -fstack-usage -ftime-report -ftime-report-details +-fvar-tracking-assignments-toggle -gtoggle +-print-file-name=<var>library</var> -print-libgcc-file-name +-print-multi-directory -print-multi-lib -print-multi-os-directory +-print-prog-name=<var>program</var> -print-search-dirs -Q +-print-sysroot -print-sysroot-headers-suffix +-save-temps -save-temps=cwd -save-temps=obj -time<span class="roman">[</span>=<var>file</var><span class="roman">]</span> +</pre></div> + +</dd> +<dt><em>Machine-Dependent Options</em></dt> +<dd><p>See <a href="Submodel-Options.html#Submodel-Options">Machine-Dependent Options</a>. +</p> +<p><em>AArch64 Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-mabi=<var>name</var> -mbig-endian -mlittle-endian +-mgeneral-regs-only +-mcmodel=tiny -mcmodel=small -mcmodel=large +-mstrict-align -mno-strict-align +-momit-leaf-frame-pointer +-mtls-dialect=desc -mtls-dialect=traditional +-mtls-size=<var>size</var> +-mfix-cortex-a53-835769 -mfix-cortex-a53-843419 +-mlow-precision-recip-sqrt -mlow-precision-sqrt -mlow-precision-div +-mpc-relative-literal-loads +-msign-return-address=<var>scope</var> +-mbranch-protection=<var>none</var>|<var>standard</var>|<var>pac-ret</var>[+<var>leaf</var> ++<var>b-key</var>]|<var>bti</var> +-mharden-sls=<var>opts</var> +-march=<var>name</var> -mcpu=<var>name</var> -mtune=<var>name</var> +-moverride=<var>string</var> -mverbose-cost-dump +-mstack-protector-guard=<var>guard</var> -mstack-protector-guard-reg=<var>sysreg</var> +-mstack-protector-guard-offset=<var>offset</var> -mtrack-speculation +-moutline-atomics +</pre></div> + +<p><em>Adapteva Epiphany Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-mhalf-reg-file -mprefer-short-insn-regs +-mbranch-cost=<var>num</var> -mcmove -mnops=<var>num</var> -msoft-cmpsf +-msplit-lohi -mpost-inc -mpost-modify -mstack-offset=<var>num</var> +-mround-nearest -mlong-calls -mshort-calls -msmall16 +-mfp-mode=<var>mode</var> -mvect-double -max-vect-align=<var>num</var> +-msplit-vecmove-early -m1reg-<var>reg</var> +</pre></div> + +<p><em>AMD GCN Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-march=<var>gpu</var> -mtune=<var>gpu</var> -mstack-size=<var>bytes</var> +</pre></div> + +<p><em>ARC Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-mbarrel-shifter -mjli-always +-mcpu=<var>cpu</var> -mA6 -mARC600 -mA7 -mARC700 +-mdpfp -mdpfp-compact -mdpfp-fast -mno-dpfp-lrsr +-mea -mno-mpy -mmul32x16 -mmul64 -matomic +-mnorm -mspfp -mspfp-compact -mspfp-fast -msimd -msoft-float -mswap +-mcrc -mdsp-packa -mdvbf -mlock -mmac-d16 -mmac-24 -mrtsc -mswape +-mtelephony -mxy -misize -mannotate-align -marclinux -marclinux_prof +-mlong-calls -mmedium-calls -msdata -mirq-ctrl-saved +-mrgf-banked-regs -mlpc-width=<var>width</var> -G <var>num</var> +-mvolatile-cache -mtp-regno=<var>regno</var> +-malign-call -mauto-modify-reg -mbbit-peephole -mno-brcc +-mcase-vector-pcrel -mcompact-casesi -mno-cond-exec -mearly-cbranchsi +-mexpand-adddi -mindexed-loads -mlra -mlra-priority-none +-mlra-priority-compact -mlra-priority-noncompact -mmillicode +-mmixed-code -mq-class -mRcq -mRcw -msize-level=<var>level</var> +-mtune=<var>cpu</var> -mmultcost=<var>num</var> -mcode-density-frame +-munalign-prob-threshold=<var>probability</var> -mmpy-option=<var>multo</var> +-mdiv-rem -mcode-density -mll64 -mfpu=<var>fpu</var> -mrf16 -mbranch-index +</pre></div> + +<p><em>ARM Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-mapcs-frame -mno-apcs-frame +-mabi=<var>name</var> +-mapcs-stack-check -mno-apcs-stack-check +-mapcs-reentrant -mno-apcs-reentrant +-mgeneral-regs-only +-msched-prolog -mno-sched-prolog +-mlittle-endian -mbig-endian +-mbe8 -mbe32 +-mfloat-abi=<var>name</var> +-mfp16-format=<var>name</var> +-mthumb-interwork -mno-thumb-interwork +-mcpu=<var>name</var> -march=<var>name</var> -mfpu=<var>name</var> +-mtune=<var>name</var> -mprint-tune-info +-mstructure-size-boundary=<var>n</var> +-mabort-on-noreturn +-mlong-calls -mno-long-calls +-msingle-pic-base -mno-single-pic-base +-mpic-register=<var>reg</var> +-mnop-fun-dllimport +-mpoke-function-name +-mthumb -marm -mflip-thumb +-mtpcs-frame -mtpcs-leaf-frame +-mcaller-super-interworking -mcallee-super-interworking +-mtp=<var>name</var> -mtls-dialect=<var>dialect</var> +-mword-relocations +-mfix-cortex-m3-ldrd +-mfix-cortex-a57-aes-1742098 +-mfix-cortex-a72-aes-1655431 +-munaligned-access +-mneon-for-64bits +-mslow-flash-data +-masm-syntax-unified +-mrestrict-it +-mverbose-cost-dump +-mpure-code +-mcmse +-mfix-cmse-cve-2021-35465 +-mstack-protector-guard=<var>guard</var> -mstack-protector-guard-offset=<var>offset</var> +-mfdpic +-mbranch-protection=<var>none</var>|<var>standard</var>|<var>pac-ret</var>[+<var>leaf</var>] +[+<var>bti</var>]|<var>bti</var>[+<var>pac-ret</var>[+<var>leaf</var>]] +</pre></div> + +<p><em>AVR Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-mmcu=<var>mcu</var> -mabsdata -maccumulate-args +-mbranch-cost=<var>cost</var> +-mcall-prologues -mgas-isr-prologues -mint8 +-mdouble=<var>bits</var> -mlong-double=<var>bits</var> +-mn_flash=<var>size</var> -mno-interrupts +-mmain-is-OS_task -mrelax -mrmw -mstrict-X -mtiny-stack +-mfract-convert-truncate +-mshort-calls -nodevicelib -nodevicespecs +-Waddr-space-convert -Wmisspelled-isr +</pre></div> + +<p><em>Blackfin Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-mcpu=<var>cpu</var><span class="roman">[</span>-<var>sirevision</var><span class="roman">]</span> +-msim -momit-leaf-frame-pointer -mno-omit-leaf-frame-pointer +-mspecld-anomaly -mno-specld-anomaly -mcsync-anomaly -mno-csync-anomaly +-mlow-64k -mno-low64k -mstack-check-l1 -mid-shared-library +-mno-id-shared-library -mshared-library-id=<var>n</var> +-mleaf-id-shared-library -mno-leaf-id-shared-library +-msep-data -mno-sep-data -mlong-calls -mno-long-calls +-mfast-fp -minline-plt -mmulticore -mcorea -mcoreb -msdram +-micplb +</pre></div> + +<p><em>C6X Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-mbig-endian -mlittle-endian -march=<var>cpu</var> +-msim -msdata=<var>sdata-type</var> +</pre></div> + +<p><em>CRIS Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-mcpu=<var>cpu</var> -march=<var>cpu</var> +-mtune=<var>cpu</var> -mmax-stack-frame=<var>n</var> +-metrax4 -metrax100 -mpdebug -mcc-init -mno-side-effects +-mstack-align -mdata-align -mconst-align +-m32-bit -m16-bit -m8-bit -mno-prologue-epilogue +-melf -maout -sim -sim2 +-mmul-bug-workaround -mno-mul-bug-workaround +</pre></div> + +<p><em>C-SKY Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-march=<var>arch</var> -mcpu=<var>cpu</var> +-mbig-endian -EB -mlittle-endian -EL +-mhard-float -msoft-float -mfpu=<var>fpu</var> -mdouble-float -mfdivdu +-mfloat-abi=<var>name</var> +-melrw -mistack -mmp -mcp -mcache -msecurity -mtrust +-mdsp -medsp -mvdsp +-mdiv -msmart -mhigh-registers -manchor +-mpushpop -mmultiple-stld -mconstpool -mstack-size -mccrt +-mbranch-cost=<var>n</var> -mcse-cc -msched-prolog -msim +</pre></div> + +<p><em>Darwin Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-all_load -allowable_client -arch -arch_errors_fatal +-arch_only -bind_at_load -bundle -bundle_loader +-client_name -compatibility_version -current_version +-dead_strip +-dependency-file -dylib_file -dylinker_install_name +-dynamic -dynamiclib -exported_symbols_list +-filelist -flat_namespace -force_cpusubtype_ALL +-force_flat_namespace -headerpad_max_install_names +-iframework +-image_base -init -install_name -keep_private_externs +-multi_module -multiply_defined -multiply_defined_unused +-noall_load -no_dead_strip_inits_and_terms +-nofixprebinding -nomultidefs -noprebind -noseglinkedit +-pagezero_size -prebind -prebind_all_twolevel_modules +-private_bundle -read_only_relocs -sectalign +-sectobjectsymbols -whyload -seg1addr +-sectcreate -sectobjectsymbols -sectorder +-segaddr -segs_read_only_addr -segs_read_write_addr +-seg_addr_table -seg_addr_table_filename -seglinkedit +-segprot -segs_read_only_addr -segs_read_write_addr +-single_module -static -sub_library -sub_umbrella +-twolevel_namespace -umbrella -undefined +-unexported_symbols_list -weak_reference_mismatches +-whatsloaded -F -gused -gfull -mmacosx-version-min=<var>version</var> +-mkernel -mone-byte-bool +</pre></div> + +<p><em>DEC Alpha Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-mno-fp-regs -msoft-float +-mieee -mieee-with-inexact -mieee-conformant +-mfp-trap-mode=<var>mode</var> -mfp-rounding-mode=<var>mode</var> +-mtrap-precision=<var>mode</var> -mbuild-constants +-mcpu=<var>cpu-type</var> -mtune=<var>cpu-type</var> +-mbwx -mmax -mfix -mcix +-mfloat-vax -mfloat-ieee +-mexplicit-relocs -msmall-data -mlarge-data +-msmall-text -mlarge-text +-mmemory-latency=<var>time</var> +</pre></div> + +<p><em>eBPF Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-mbig-endian -mlittle-endian -mkernel=<var>version</var> +-mframe-limit=<var>bytes</var> -mxbpf -mco-re -mno-co-re +-mjmpext -mjmp32 -malu32 -mcpu=<var>version</var> +</pre></div> + +<p><em>FR30 Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-msmall-model -mno-lsim +</pre></div> + +<p><em>FT32 Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-msim -mlra -mnodiv -mft32b -mcompress -mnopm +</pre></div> + +<p><em>FRV Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-mgpr-32 -mgpr-64 -mfpr-32 -mfpr-64 +-mhard-float -msoft-float +-malloc-cc -mfixed-cc -mdword -mno-dword +-mdouble -mno-double +-mmedia -mno-media -mmuladd -mno-muladd +-mfdpic -minline-plt -mgprel-ro -multilib-library-pic +-mlinked-fp -mlong-calls -malign-labels +-mlibrary-pic -macc-4 -macc-8 +-mpack -mno-pack -mno-eflags -mcond-move -mno-cond-move +-moptimize-membar -mno-optimize-membar +-mscc -mno-scc -mcond-exec -mno-cond-exec +-mvliw-branch -mno-vliw-branch +-mmulti-cond-exec -mno-multi-cond-exec -mnested-cond-exec +-mno-nested-cond-exec -mtomcat-stats +-mTLS -mtls +-mcpu=<var>cpu</var> +</pre></div> + +<p><em>GNU/Linux Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-mglibc -muclibc -mmusl -mbionic -mandroid +-tno-android-cc -tno-android-ld +</pre></div> + +<p><em>H8/300 Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-mrelax -mh -ms -mn -mexr -mno-exr -mint32 -malign-300 +</pre></div> + +<p><em>HPPA Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-march=<var>architecture-type</var> +-matomic-libcalls -mbig-switch +-mcaller-copies -mdisable-fpregs -mdisable-indexing +-mordered -mfast-indirect-calls -mgas -mgnu-ld -mhp-ld +-mfixed-range=<var>register-range</var> +-mcoherent-ldcw -mjump-in-delay -mlinker-opt -mlong-calls +-mlong-load-store -mno-atomic-libcalls -mno-disable-fpregs +-mno-disable-indexing -mno-fast-indirect-calls -mno-gas +-mno-jump-in-delay -mno-long-load-store +-mno-portable-runtime -mno-soft-float +-mno-space-regs -msoft-float -mpa-risc-1-0 +-mpa-risc-1-1 -mpa-risc-2-0 -mportable-runtime +-mschedule=<var>cpu-type</var> -mspace-regs -msoft-mult -msio -mwsio +-munix=<var>unix-std</var> -nolibdld -static -threads +</pre></div> + +<p><em>IA-64 Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-mbig-endian -mlittle-endian -mgnu-as -mgnu-ld -mno-pic +-mvolatile-asm-stop -mregister-names -msdata -mno-sdata +-mconstant-gp -mauto-pic -mfused-madd +-minline-float-divide-min-latency +-minline-float-divide-max-throughput +-mno-inline-float-divide +-minline-int-divide-min-latency +-minline-int-divide-max-throughput +-mno-inline-int-divide +-minline-sqrt-min-latency -minline-sqrt-max-throughput +-mno-inline-sqrt +-mdwarf2-asm -mearly-stop-bits +-mfixed-range=<var>register-range</var> -mtls-size=<var>tls-size</var> +-mtune=<var>cpu-type</var> -milp32 -mlp64 +-msched-br-data-spec -msched-ar-data-spec -msched-control-spec +-msched-br-in-data-spec -msched-ar-in-data-spec -msched-in-control-spec +-msched-spec-ldc -msched-spec-control-ldc +-msched-prefer-non-data-spec-insns -msched-prefer-non-control-spec-insns +-msched-stop-bits-after-every-cycle -msched-count-spec-in-critical-path +-msel-sched-dont-check-control-spec -msched-fp-mem-deps-zero-cost +-msched-max-memory-insns-hard-limit -msched-max-memory-insns=<var>max-insns</var> +</pre></div> + +<p><em>LM32 Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-mbarrel-shift-enabled -mdivide-enabled -mmultiply-enabled +-msign-extend-enabled -muser-enabled +</pre></div> + +<p><em>LoongArch Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-march=<var>cpu-type</var> -mtune=<var>cpu-type</var> -mabi=<var>base-abi-type</var> +-mfpu=<var>fpu-type</var> -msoft-float -msingle-float -mdouble-float +-mbranch-cost=<var>n</var> -mcheck-zero-division -mno-check-zero-division +-mcond-move-int -mno-cond-move-int +-mcond-move-float -mno-cond-move-float +-memcpy -mno-memcpy -mstrict-align -mno-strict-align +-mmax-inline-memcpy-size=<var>n</var> +-mexplicit-relocs -mno-explicit-relocs +-mdirect-extern-access -mno-direct-extern-access +-mcmodel=<var>code-model</var> +</pre></div> + +<p><em>M32R/D Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-m32r2 -m32rx -m32r +-mdebug +-malign-loops -mno-align-loops +-missue-rate=<var>number</var> +-mbranch-cost=<var>number</var> +-mmodel=<var>code-size-model-type</var> +-msdata=<var>sdata-type</var> +-mno-flush-func -mflush-func=<var>name</var> +-mno-flush-trap -mflush-trap=<var>number</var> +-G <var>num</var> +</pre></div> + +<p><em>M32C Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-mcpu=<var>cpu</var> -msim -memregs=<var>number</var> +</pre></div> + +<p><em>M680x0 Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-march=<var>arch</var> -mcpu=<var>cpu</var> -mtune=<var>tune</var> +-m68000 -m68020 -m68020-40 -m68020-60 -m68030 -m68040 +-m68060 -mcpu32 -m5200 -m5206e -m528x -m5307 -m5407 +-mcfv4e -mbitfield -mno-bitfield -mc68000 -mc68020 +-mnobitfield -mrtd -mno-rtd -mdiv -mno-div -mshort +-mno-short -mhard-float -m68881 -msoft-float -mpcrel +-malign-int -mstrict-align -msep-data -mno-sep-data +-mshared-library-id=n -mid-shared-library -mno-id-shared-library +-mxgot -mno-xgot -mlong-jump-table-offsets +</pre></div> + +<p><em>MCore Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-mhardlit -mno-hardlit -mdiv -mno-div -mrelax-immediates +-mno-relax-immediates -mwide-bitfields -mno-wide-bitfields +-m4byte-functions -mno-4byte-functions -mcallgraph-data +-mno-callgraph-data -mslow-bytes -mno-slow-bytes -mno-lsim +-mlittle-endian -mbig-endian -m210 -m340 -mstack-increment +</pre></div> + +<p><em>MicroBlaze Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-msoft-float -mhard-float -msmall-divides -mcpu=<var>cpu</var> +-mmemcpy -mxl-soft-mul -mxl-soft-div -mxl-barrel-shift +-mxl-pattern-compare -mxl-stack-check -mxl-gp-opt -mno-clearbss +-mxl-multiply-high -mxl-float-convert -mxl-float-sqrt +-mbig-endian -mlittle-endian -mxl-reorder -mxl-mode-<var>app-model</var> +-mpic-data-is-text-relative +</pre></div> + +<p><em>MIPS Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-EL -EB -march=<var>arch</var> -mtune=<var>arch</var> +-mips1 -mips2 -mips3 -mips4 -mips32 -mips32r2 -mips32r3 -mips32r5 +-mips32r6 -mips64 -mips64r2 -mips64r3 -mips64r5 -mips64r6 +-mips16 -mno-mips16 -mflip-mips16 +-minterlink-compressed -mno-interlink-compressed +-minterlink-mips16 -mno-interlink-mips16 +-mabi=<var>abi</var> -mabicalls -mno-abicalls +-mshared -mno-shared -mplt -mno-plt -mxgot -mno-xgot +-mgp32 -mgp64 -mfp32 -mfpxx -mfp64 -mhard-float -msoft-float +-mno-float -msingle-float -mdouble-float +-modd-spreg -mno-odd-spreg +-mabs=<var>mode</var> -mnan=<var>encoding</var> +-mdsp -mno-dsp -mdspr2 -mno-dspr2 +-mmcu -mmno-mcu +-meva -mno-eva +-mvirt -mno-virt +-mxpa -mno-xpa +-mcrc -mno-crc +-mginv -mno-ginv +-mmicromips -mno-micromips +-mmsa -mno-msa +-mloongson-mmi -mno-loongson-mmi +-mloongson-ext -mno-loongson-ext +-mloongson-ext2 -mno-loongson-ext2 +-mfpu=<var>fpu-type</var> +-msmartmips -mno-smartmips +-mpaired-single -mno-paired-single -mdmx -mno-mdmx +-mips3d -mno-mips3d -mmt -mno-mt -mllsc -mno-llsc +-mlong64 -mlong32 -msym32 -mno-sym32 +-G<var>num</var> -mlocal-sdata -mno-local-sdata +-mextern-sdata -mno-extern-sdata -mgpopt -mno-gopt +-membedded-data -mno-embedded-data +-muninit-const-in-rodata -mno-uninit-const-in-rodata +-mcode-readable=<var>setting</var> +-msplit-addresses -mno-split-addresses +-mexplicit-relocs -mno-explicit-relocs +-mcheck-zero-division -mno-check-zero-division +-mdivide-traps -mdivide-breaks +-mload-store-pairs -mno-load-store-pairs +-munaligned-access -mno-unaligned-access +-mmemcpy -mno-memcpy -mlong-calls -mno-long-calls +-mmad -mno-mad -mimadd -mno-imadd -mfused-madd -mno-fused-madd -nocpp +-mfix-24k -mno-fix-24k +-mfix-r4000 -mno-fix-r4000 -mfix-r4400 -mno-fix-r4400 +-mfix-r5900 -mno-fix-r5900 +-mfix-r10000 -mno-fix-r10000 -mfix-rm7000 -mno-fix-rm7000 +-mfix-vr4120 -mno-fix-vr4120 +-mfix-vr4130 -mno-fix-vr4130 -mfix-sb1 -mno-fix-sb1 +-mflush-func=<var>func</var> -mno-flush-func +-mbranch-cost=<var>num</var> -mbranch-likely -mno-branch-likely +-mcompact-branches=<var>policy</var> +-mfp-exceptions -mno-fp-exceptions +-mvr4130-align -mno-vr4130-align -msynci -mno-synci +-mlxc1-sxc1 -mno-lxc1-sxc1 -mmadd4 -mno-madd4 +-mrelax-pic-calls -mno-relax-pic-calls -mmcount-ra-address +-mframe-header-opt -mno-frame-header-opt +</pre></div> + +<p><em>MMIX Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-mlibfuncs -mno-libfuncs -mepsilon -mno-epsilon -mabi=gnu +-mabi=mmixware -mzero-extend -mknuthdiv -mtoplevel-symbols +-melf -mbranch-predict -mno-branch-predict -mbase-addresses +-mno-base-addresses -msingle-exit -mno-single-exit +</pre></div> + +<p><em>MN10300 Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-mmult-bug -mno-mult-bug +-mno-am33 -mam33 -mam33-2 -mam34 +-mtune=<var>cpu-type</var> +-mreturn-pointer-on-d0 +-mno-crt0 -mrelax -mliw -msetlb +</pre></div> + +<p><em>Moxie Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-meb -mel -mmul.x -mno-crt0 +</pre></div> + +<p><em>MSP430 Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-msim -masm-hex -mmcu= -mcpu= -mlarge -msmall -mrelax +-mwarn-mcu +-mcode-region= -mdata-region= +-msilicon-errata= -msilicon-errata-warn= +-mhwmult= -minrt -mtiny-printf -mmax-inline-shift= +</pre></div> + +<p><em>NDS32 Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-mbig-endian -mlittle-endian +-mreduced-regs -mfull-regs +-mcmov -mno-cmov +-mext-perf -mno-ext-perf +-mext-perf2 -mno-ext-perf2 +-mext-string -mno-ext-string +-mv3push -mno-v3push +-m16bit -mno-16bit +-misr-vector-size=<var>num</var> +-mcache-block-size=<var>num</var> +-march=<var>arch</var> +-mcmodel=<var>code-model</var> +-mctor-dtor -mrelax +</pre></div> + +<p><em>Nios II Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-G <var>num</var> -mgpopt=<var>option</var> -mgpopt -mno-gpopt +-mgprel-sec=<var>regexp</var> -mr0rel-sec=<var>regexp</var> +-mel -meb +-mno-bypass-cache -mbypass-cache +-mno-cache-volatile -mcache-volatile +-mno-fast-sw-div -mfast-sw-div +-mhw-mul -mno-hw-mul -mhw-mulx -mno-hw-mulx -mno-hw-div -mhw-div +-mcustom-<var>insn</var>=<var>N</var> -mno-custom-<var>insn</var> +-mcustom-fpu-cfg=<var>name</var> +-mhal -msmallc -msys-crt0=<var>name</var> -msys-lib=<var>name</var> +-march=<var>arch</var> -mbmx -mno-bmx -mcdx -mno-cdx +</pre></div> + +<p><em>Nvidia PTX Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-m64 -mmainkernel -moptimize +</pre></div> + +<p><em>OpenRISC Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-mboard=<var>name</var> -mnewlib -mhard-mul -mhard-div +-msoft-mul -msoft-div +-msoft-float -mhard-float -mdouble-float -munordered-float +-mcmov -mror -mrori -msext -msfimm -mshftimm +-mcmodel=<var>code-model</var> +</pre></div> + +<p><em>PDP-11 Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-mfpu -msoft-float -mac0 -mno-ac0 -m40 -m45 -m10 +-mint32 -mno-int16 -mint16 -mno-int32 +-msplit -munix-asm -mdec-asm -mgnu-asm -mlra +</pre></div> + +<p><em>PowerPC Options</em> +See RS/6000 and PowerPC Options. +</p> +<p><em>PRU Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-mmcu=<var>mcu</var> -minrt -mno-relax -mloop +-mabi=<var>variant</var> +</pre></div> + +<p><em>RISC-V Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-mbranch-cost=<var>N-instruction</var> +-mplt -mno-plt +-mabi=<var>ABI-string</var> +-mfdiv -mno-fdiv +-mdiv -mno-div +-misa-spec=<var>ISA-spec-string</var> +-march=<var>ISA-string</var> +-mtune=<var>processor-string</var> +-mpreferred-stack-boundary=<var>num</var> +-msmall-data-limit=<var>N-bytes</var> +-msave-restore -mno-save-restore +-mshorten-memrefs -mno-shorten-memrefs +-mstrict-align -mno-strict-align +-mcmodel=medlow -mcmodel=medany +-mexplicit-relocs -mno-explicit-relocs +-mrelax -mno-relax +-mriscv-attribute -mno-riscv-attribute +-malign-data=<var>type</var> +-mbig-endian -mlittle-endian +-mstack-protector-guard=<var>guard</var> -mstack-protector-guard-reg=<var>reg</var> +-mstack-protector-guard-offset=<var>offset</var> +-mcsr-check -mno-csr-check +-minline-atomics -mno-inline-atomics +</pre></div> + +<p><em>RL78 Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-msim -mmul=none -mmul=g13 -mmul=g14 -mallregs +-mcpu=g10 -mcpu=g13 -mcpu=g14 -mg10 -mg13 -mg14 +-m64bit-doubles -m32bit-doubles -msave-mduc-in-interrupts +</pre></div> + +<p><em>RS/6000 and PowerPC Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-mcpu=<var>cpu-type</var> +-mtune=<var>cpu-type</var> +-mcmodel=<var>code-model</var> +-mpowerpc64 +-maltivec -mno-altivec +-mpowerpc-gpopt -mno-powerpc-gpopt +-mpowerpc-gfxopt -mno-powerpc-gfxopt +-mmfcrf -mno-mfcrf -mpopcntb -mno-popcntb -mpopcntd -mno-popcntd +-mfprnd -mno-fprnd +-mcmpb -mno-cmpb -mhard-dfp -mno-hard-dfp +-mfull-toc -mminimal-toc -mno-fp-in-toc -mno-sum-in-toc +-m64 -m32 -mxl-compat -mno-xl-compat -mpe +-malign-power -malign-natural +-msoft-float -mhard-float -mmultiple -mno-multiple +-mupdate -mno-update +-mavoid-indexed-addresses -mno-avoid-indexed-addresses +-mfused-madd -mno-fused-madd -mbit-align -mno-bit-align +-mstrict-align -mno-strict-align -mrelocatable +-mno-relocatable -mrelocatable-lib -mno-relocatable-lib +-mtoc -mno-toc -mlittle -mlittle-endian -mbig -mbig-endian +-mdynamic-no-pic -mswdiv -msingle-pic-base +-mprioritize-restricted-insns=<var>priority</var> +-msched-costly-dep=<var>dependence_type</var> +-minsert-sched-nops=<var>scheme</var> +-mcall-aixdesc -mcall-eabi -mcall-freebsd +-mcall-linux -mcall-netbsd -mcall-openbsd +-mcall-sysv -mcall-sysv-eabi -mcall-sysv-noeabi +-mtraceback=<var>traceback_type</var> +-maix-struct-return -msvr4-struct-return +-mabi=<var>abi-type</var> -msecure-plt -mbss-plt +-mlongcall -mno-longcall -mpltseq -mno-pltseq +-mblock-move-inline-limit=<var>num</var> +-mblock-compare-inline-limit=<var>num</var> +-mblock-compare-inline-loop-limit=<var>num</var> +-mno-block-ops-unaligned-vsx +-mstring-compare-inline-limit=<var>num</var> +-misel -mno-isel +-mvrsave -mno-vrsave +-mmulhw -mno-mulhw +-mdlmzb -mno-dlmzb +-mprototype -mno-prototype +-msim -mmvme -mads -myellowknife -memb -msdata +-msdata=<var>opt</var> -mreadonly-in-sdata -mvxworks -G <var>num</var> +-mrecip -mrecip=<var>opt</var> -mno-recip -mrecip-precision +-mno-recip-precision +-mveclibabi=<var>type</var> -mfriz -mno-friz +-mpointers-to-nested-functions -mno-pointers-to-nested-functions +-msave-toc-indirect -mno-save-toc-indirect +-mpower8-fusion -mno-mpower8-fusion -mpower8-vector -mno-power8-vector +-mcrypto -mno-crypto -mhtm -mno-htm +-mquad-memory -mno-quad-memory +-mquad-memory-atomic -mno-quad-memory-atomic +-mcompat-align-parm -mno-compat-align-parm +-mfloat128 -mno-float128 -mfloat128-hardware -mno-float128-hardware +-mgnu-attribute -mno-gnu-attribute +-mstack-protector-guard=<var>guard</var> -mstack-protector-guard-reg=<var>reg</var> +-mstack-protector-guard-offset=<var>offset</var> -mprefixed -mno-prefixed +-mpcrel -mno-pcrel -mmma -mno-mmma -mrop-protect -mno-rop-protect +-mprivileged -mno-privileged +</pre></div> + +<p><em>RX Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-m64bit-doubles -m32bit-doubles -fpu -nofpu +-mcpu= +-mbig-endian-data -mlittle-endian-data +-msmall-data +-msim -mno-sim +-mas100-syntax -mno-as100-syntax +-mrelax +-mmax-constant-size= +-mint-register= +-mpid +-mallow-string-insns -mno-allow-string-insns +-mjsr +-mno-warn-multiple-fast-interrupts +-msave-acc-in-interrupts +</pre></div> + +<p><em>S/390 and zSeries Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-mtune=<var>cpu-type</var> -march=<var>cpu-type</var> +-mhard-float -msoft-float -mhard-dfp -mno-hard-dfp +-mlong-double-64 -mlong-double-128 +-mbackchain -mno-backchain -mpacked-stack -mno-packed-stack +-msmall-exec -mno-small-exec -mmvcle -mno-mvcle +-m64 -m31 -mdebug -mno-debug -mesa -mzarch +-mhtm -mvx -mzvector +-mtpf-trace -mno-tpf-trace -mtpf-trace-skip -mno-tpf-trace-skip +-mfused-madd -mno-fused-madd +-mwarn-framesize -mwarn-dynamicstack -mstack-size -mstack-guard +-mhotpatch=<var>halfwords</var>,<var>halfwords</var> +</pre></div> + +<p><em>SH Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-m1 -m2 -m2e +-m2a-nofpu -m2a-single-only -m2a-single -m2a +-m3 -m3e +-m4-nofpu -m4-single-only -m4-single -m4 +-m4a-nofpu -m4a-single-only -m4a-single -m4a -m4al +-mb -ml -mdalign -mrelax +-mbigtable -mfmovd -mrenesas -mno-renesas -mnomacsave +-mieee -mno-ieee -mbitops -misize -minline-ic_invalidate -mpadstruct +-mprefergot -musermode -multcost=<var>number</var> -mdiv=<var>strategy</var> +-mdivsi3_libfunc=<var>name</var> -mfixed-range=<var>register-range</var> +-maccumulate-outgoing-args +-matomic-model=<var>atomic-model</var> +-mbranch-cost=<var>num</var> -mzdcbranch -mno-zdcbranch +-mcbranch-force-delay-slot +-mfused-madd -mno-fused-madd -mfsca -mno-fsca -mfsrra -mno-fsrra +-mpretend-cmove -mtas +</pre></div> + +<p><em>Solaris 2 Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-mclear-hwcap -mno-clear-hwcap -mimpure-text -mno-impure-text +-pthreads +</pre></div> + +<p><em>SPARC Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-mcpu=<var>cpu-type</var> +-mtune=<var>cpu-type</var> +-mcmodel=<var>code-model</var> +-mmemory-model=<var>mem-model</var> +-m32 -m64 -mapp-regs -mno-app-regs +-mfaster-structs -mno-faster-structs -mflat -mno-flat +-mfpu -mno-fpu -mhard-float -msoft-float +-mhard-quad-float -msoft-quad-float +-mstack-bias -mno-stack-bias +-mstd-struct-return -mno-std-struct-return +-munaligned-doubles -mno-unaligned-doubles +-muser-mode -mno-user-mode +-mv8plus -mno-v8plus -mvis -mno-vis +-mvis2 -mno-vis2 -mvis3 -mno-vis3 +-mvis4 -mno-vis4 -mvis4b -mno-vis4b +-mcbcond -mno-cbcond -mfmaf -mno-fmaf -mfsmuld -mno-fsmuld +-mpopc -mno-popc -msubxc -mno-subxc +-mfix-at697f -mfix-ut699 -mfix-ut700 -mfix-gr712rc +-mlra -mno-lra +</pre></div> + +<p><em>System V Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-Qy -Qn -YP,<var>paths</var> -Ym,<var>dir</var> +</pre></div> + +<p><em>V850 Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-mlong-calls -mno-long-calls -mep -mno-ep +-mprolog-function -mno-prolog-function -mspace +-mtda=<var>n</var> -msda=<var>n</var> -mzda=<var>n</var> +-mapp-regs -mno-app-regs +-mdisable-callt -mno-disable-callt +-mv850e2v3 -mv850e2 -mv850e1 -mv850es +-mv850e -mv850 -mv850e3v5 +-mloop +-mrelax +-mlong-jumps +-msoft-float +-mhard-float +-mgcc-abi +-mrh850-abi +-mbig-switch +</pre></div> + +<p><em>VAX Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-mg -mgnu -munix -mlra +</pre></div> + +<p><em>Visium Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-mdebug -msim -mfpu -mno-fpu -mhard-float -msoft-float +-mcpu=<var>cpu-type</var> -mtune=<var>cpu-type</var> -msv-mode -muser-mode +</pre></div> + +<p><em>VMS Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-mvms-return-codes -mdebug-main=<var>prefix</var> -mmalloc64 +-mpointer-size=<var>size</var> +</pre></div> + +<p><em>VxWorks Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-mrtp -non-static -Bstatic -Bdynamic +-Xbind-lazy -Xbind-now +</pre></div> + +<p><em>x86 Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-mtune=<var>cpu-type</var> -march=<var>cpu-type</var> +-mtune-ctrl=<var>feature-list</var> -mdump-tune-features -mno-default +-mfpmath=<var>unit</var> +-masm=<var>dialect</var> -mno-fancy-math-387 +-mno-fp-ret-in-387 -m80387 -mhard-float -msoft-float +-mno-wide-multiply -mrtd -malign-double +-mpreferred-stack-boundary=<var>num</var> +-mincoming-stack-boundary=<var>num</var> +-mcld -mcx16 -msahf -mmovbe -mcrc32 -mmwait +-mrecip -mrecip=<var>opt</var> +-mvzeroupper -mprefer-avx128 -mprefer-vector-width=<var>opt</var> +-mmove-max=<var>bits</var> -mstore-max=<var>bits</var> +-mmmx -msse -msse2 -msse3 -mssse3 -msse4.1 -msse4.2 -msse4 -mavx +-mavx2 -mavx512f -mavx512pf -mavx512er -mavx512cd -mavx512vl +-mavx512bw -mavx512dq -mavx512ifma -mavx512vbmi -msha -maes +-mpclmul -mfsgsbase -mrdrnd -mf16c -mfma -mpconfig -mwbnoinvd +-mptwrite -mprefetchwt1 -mclflushopt -mclwb -mxsavec -mxsaves +-msse4a -m3dnow -m3dnowa -mpopcnt -mabm -mbmi -mtbm -mfma4 -mxop +-madx -mlzcnt -mbmi2 -mfxsr -mxsave -mxsaveopt -mrtm -mhle -mlwp +-mmwaitx -mclzero -mpku -mthreads -mgfni -mvaes -mwaitpkg +-mshstk -mmanual-endbr -mcet-switch -mforce-indirect-call +-mavx512vbmi2 -mavx512bf16 -menqcmd +-mvpclmulqdq -mavx512bitalg -mmovdiri -mmovdir64b -mavx512vpopcntdq +-mavx5124fmaps -mavx512vnni -mavx5124vnniw -mprfchw -mrdpid +-mrdseed -msgx -mavx512vp2intersect -mserialize -mtsxldtrk +-mamx-tile -mamx-int8 -mamx-bf16 -muintr -mhreset -mavxvnni +-mavx512fp16 -mavxifma -mavxvnniint8 -mavxneconvert -mcmpccxadd -mamx-fp16 +-mprefetchi -mraoint -mamx-complex +-mcldemote -mms-bitfields -mno-align-stringops -minline-all-stringops +-minline-stringops-dynamically -mstringop-strategy=<var>alg</var> +-mkl -mwidekl +-mmemcpy-strategy=<var>strategy</var> -mmemset-strategy=<var>strategy</var> +-mpush-args -maccumulate-outgoing-args -m128bit-long-double +-m96bit-long-double -mlong-double-64 -mlong-double-80 -mlong-double-128 +-mregparm=<var>num</var> -msseregparm +-mveclibabi=<var>type</var> -mvect8-ret-in-mem +-mpc32 -mpc64 -mpc80 -mdaz-ftz -mstackrealign +-momit-leaf-frame-pointer -mno-red-zone -mno-tls-direct-seg-refs +-mcmodel=<var>code-model</var> -mabi=<var>name</var> -maddress-mode=<var>mode</var> +-m32 -m64 -mx32 -m16 -miamcu -mlarge-data-threshold=<var>num</var> +-msse2avx -mfentry -mrecord-mcount -mnop-mcount -m8bit-idiv +-minstrument-return=<var>type</var> -mfentry-name=<var>name</var> -mfentry-section=<var>name</var> +-mavx256-split-unaligned-load -mavx256-split-unaligned-store +-malign-data=<var>type</var> -mstack-protector-guard=<var>guard</var> +-mstack-protector-guard-reg=<var>reg</var> +-mstack-protector-guard-offset=<var>offset</var> +-mstack-protector-guard-symbol=<var>symbol</var> +-mgeneral-regs-only -mcall-ms2sysv-xlogues -mrelax-cmpxchg-loop +-mindirect-branch=<var>choice</var> -mfunction-return=<var>choice</var> +-mindirect-branch-register -mharden-sls=<var>choice</var> +-mindirect-branch-cs-prefix -mneeded -mno-direct-extern-access +-munroll-only-small-loops -mlam=<var>choice</var> +</pre></div> + +<p><em>x86 Windows Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-mconsole -mcygwin -mno-cygwin -mdll +-mnop-fun-dllimport -mthread +-municode -mwin32 -mwindows -fno-set-stack-executable +</pre></div> + +<p><em>Xstormy16 Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-msim +</pre></div> + +<p><em>Xtensa Options</em> +</p><div class="smallexample"> +<pre class="smallexample">-mconst16 -mno-const16 +-mfused-madd -mno-fused-madd +-mforce-no-pic +-mserialize-volatile -mno-serialize-volatile +-mtext-section-literals -mno-text-section-literals +-mauto-litpools -mno-auto-litpools +-mtarget-align -mno-target-align +-mlongcalls -mno-longcalls +-mabi=<var>abi-type</var> +-mextra-l32r-costs=<var>cycles</var> +</pre></div> + +<p><em>zSeries Options</em> +See S/390 and zSeries Options. +</p></dd> +</dl> + + +<hr> +<div class="header"> +<p> +Next: <a href="Overall-Options.html#Overall-Options" accesskey="n" rel="next">Overall Options</a>, Up: <a href="Invoking-GCC.html#Invoking-GCC" accesskey="u" rel="up">Invoking GCC</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Indices.html#Indices" title="Index" rel="index">Index</a>]</p> +</div> + + + +</body> +</html> |