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<title>Using the GNU Compiler Collection (GCC)</title>
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Node:<a name="Keyword%20Index">Keyword Index</a>,
Previous:<a rel="previous" accesskey="p" href="Option-Index.html#Option%20Index">Option Index</a>,
Up:<a rel="up" accesskey="u" href="index.html#Top">Top</a>
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<h2 class="unnumbered">Keyword Index</h2>
<ul class="index-cp" compact>
<li><code>!</code> in constraint: <a href="Multi-Alternative.html#Multi-Alternative">Multi-Alternative</a>
<li><code>#</code> in constraint: <a href="Modifiers.html#Modifiers">Modifiers</a>
<li>#pragma: <a href="Pragmas.html#Pragmas">Pragmas</a>
<li><code>#pragma implementation</code>: <a href="C---Interface.html#C++%20Interface">C++ Interface</a>
<li><code>#pragma implementation</code>, implied: <a href="C---Interface.html#C++%20Interface">C++ Interface</a>
<li><code>#pragma interface</code>: <a href="C---Interface.html#C++%20Interface">C++ Interface</a>
<li><code>#pragma</code>, reason for not using: <a href="Function-Attributes.html#Function%20Attributes">Function Attributes</a>
<li>$: <a href="Dollar-Signs.html#Dollar%20Signs">Dollar Signs</a>
<li><code>%</code> in constraint: <a href="Modifiers.html#Modifiers">Modifiers</a>
<li>%include: <a href="Spec-Files.html#Spec%20Files">Spec Files</a>
<li>%include_noerr: <a href="Spec-Files.html#Spec%20Files">Spec Files</a>
<li>%rename: <a href="Spec-Files.html#Spec%20Files">Spec Files</a>
<li><code>&</code> in constraint: <a href="Modifiers.html#Modifiers">Modifiers</a>
<li>': <a href="Incompatibilities.html#Incompatibilities">Incompatibilities</a>
<li><code>*</code> in constraint: <a href="Modifiers.html#Modifiers">Modifiers</a>
<li><code>+</code> in constraint: <a href="Modifiers.html#Modifiers">Modifiers</a>
<li><code>-lgcc</code>, use with <code>-nodefaultlibs</code>: <a href="Link-Options.html#Link%20Options">Link Options</a>
<li><code>-lgcc</code>, use with <code>-nostdlib</code>: <a href="Link-Options.html#Link%20Options">Link Options</a>
<li><code>-nodefaultlibs</code> and unresolved references: <a href="Link-Options.html#Link%20Options">Link Options</a>
<li><code>-nostdlib</code> and unresolved references: <a href="Link-Options.html#Link%20Options">Link Options</a>
<li>.sdata/.sdata2 references (PowerPC): <a href="RS-6000-and-PowerPC-Options.html#RS%2f6000%20and%20PowerPC%20Options">RS/6000 and PowerPC Options</a>
<li>//: <a href="C---Comments.html#C++%20Comments">C++ Comments</a>
<li><code>0</code> in constraint: <a href="Simple-Constraints.html#Simple%20Constraints">Simple Constraints</a>
<li><code><</code> in constraint: <a href="Simple-Constraints.html#Simple%20Constraints">Simple Constraints</a>
<li><code><?</code>: <a href="Min-and-Max.html#Min%20and%20Max">Min and Max</a>
<li><code>=</code> in constraint: <a href="Modifiers.html#Modifiers">Modifiers</a>
<li><code>></code> in constraint: <a href="Simple-Constraints.html#Simple%20Constraints">Simple Constraints</a>
<li><code>>?</code>: <a href="Min-and-Max.html#Min%20and%20Max">Min and Max</a>
<li><code>?</code> in constraint: <a href="Multi-Alternative.html#Multi-Alternative">Multi-Alternative</a>
<li><code>?:</code> extensions: <a href="Lvalues.html#Lvalues">Lvalues</a>, <a href="Conditionals.html#Conditionals">Conditionals</a>
<li>?: side effect: <a href="Conditionals.html#Conditionals">Conditionals</a>
<li><code>_</code> in variables in macros: <a href="Typeof.html#Typeof">Typeof</a>
<li><code>__builtin_apply</code>: <a href="Constructing-Calls.html#Constructing%20Calls">Constructing Calls</a>
<li><code>__builtin_apply_args</code>: <a href="Constructing-Calls.html#Constructing%20Calls">Constructing Calls</a>
<li><code>__builtin_choose_expr</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a>
<li><code>__builtin_constant_p</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a>
<li><code>__builtin_expect</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a>
<li><code>__builtin_frame_address</code>: <a href="Return-Address.html#Return%20Address">Return Address</a>
<li><code>__builtin_huge_val</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a>
<li><code>__builtin_huge_valf</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a>
<li><code>__builtin_huge_vall</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a>
<li><code>__builtin_inf</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a>
<li><code>__builtin_inff</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a>
<li><code>__builtin_infl</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a>
<li><code>__builtin_isgreater</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a>
<li><code>__builtin_isgreaterequal</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a>
<li><code>__builtin_isless</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a>
<li><code>__builtin_islessequal</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a>
<li><code>__builtin_islessgreater</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a>
<li><code>__builtin_isunordered</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a>
<li><code>__builtin_nan</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a>
<li><code>__builtin_nanf</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a>
<li><code>__builtin_nanl</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a>
<li><code>__builtin_nans</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a>
<li><code>__builtin_nansf</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a>
<li><code>__builtin_nansl</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a>
<li><code>__builtin_prefetch</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a>
<li><code>__builtin_return</code>: <a href="Constructing-Calls.html#Constructing%20Calls">Constructing Calls</a>
<li><code>__builtin_return_address</code>: <a href="Return-Address.html#Return%20Address">Return Address</a>
<li><code>__builtin_types_compatible_p</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a>
<li><code>__complex__</code> keyword: <a href="Complex.html#Complex">Complex</a>
<li><code>__extension__</code>: <a href="Alternate-Keywords.html#Alternate%20Keywords">Alternate Keywords</a>
<li><code>__func__</code> identifier: <a href="Function-Names.html#Function%20Names">Function Names</a>
<li><code>__FUNCTION__</code> identifier: <a href="Function-Names.html#Function%20Names">Function Names</a>
<li><code>__imag__</code> keyword: <a href="Complex.html#Complex">Complex</a>
<li><code>__PRETTY_FUNCTION__</code> identifier: <a href="Function-Names.html#Function%20Names">Function Names</a>
<li><code>__real__</code> keyword: <a href="Complex.html#Complex">Complex</a>
<li><code>__STDC_HOSTED__</code>: <a href="Standards.html#Standards">Standards</a>
<li>__thread: <a href="Thread-Local.html#Thread-Local">Thread-Local</a>
<li><code>_Complex</code> keyword: <a href="Complex.html#Complex">Complex</a>
<li><code>_exit</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a>
<li><code>_Exit</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a>
<li>ABI: <a href="Compatibility.html#Compatibility">Compatibility</a>
<li><code>abort</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a>
<li><code>abs</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a>
<li>accessing volatiles: <a href="Volatiles.html#Volatiles">Volatiles</a>
<li>Ada: <a href="G---and-GCC.html#G++%20and%20GCC">G++ and GCC</a>
<li>address constraints: <a href="Simple-Constraints.html#Simple%20Constraints">Simple Constraints</a>
<li>address of a label: <a href="Labels-as-Values.html#Labels%20as%20Values">Labels as Values</a>
<li><code>address_operand</code>: <a href="Simple-Constraints.html#Simple%20Constraints">Simple Constraints</a>
<li><code>alias</code> attribute: <a href="Function-Attributes.html#Function%20Attributes">Function Attributes</a>
<li>aliasing of parameters: <a href="Code-Gen-Options.html#Code%20Gen%20Options">Code Gen Options</a>
<li><code>aligned</code> attribute: <a href="Type-Attributes.html#Type%20Attributes">Type Attributes</a>, <a href="Variable-Attributes.html#Variable%20Attributes">Variable Attributes</a>
<li>alignment: <a href="Alignment.html#Alignment">Alignment</a>
<li><code>alloca</code>: <a href="Other-Builtins.html#Other%20Builtins">Other Builtins</a>
<li><code>alloca</code> vs variable-length arrays: <a href="Variable-Length.html#Variable%20Length">Variable Length</a>
<li>alternate keywords: <a href="Alternate-Keywords.html#Alternate%20Keywords">Alternate Keywords</a>
<li><code>always_inline</code> function attribute: <a href="Function-Attributes.html#Function%20Attributes">Function Attributes</a>
<li>AMD x86-64 Options: <a href="i386-and-x86-64-Options.html#i386%20and%20x86-64%20Options">i386 and x86-64 Options</a>
<li>AMD1: <a href="Standards.html#Standards">Standards</a>
<li>ANSI C: <a href="Standards.html#Standards">Standards</a>
<li>ANSI C standard: <a href="Standards.html#Standards">Standards</a>
<li>ANSI C89: <a href="Standards.html#Standards">Standards</a>
<li>ANSI support: <a href="C-Dialect-Options.html#C%20Dialect%20Options">C Dialect Options</a>
<li>ANSI X3.159-1989: <a href="Standards.html#Standards">Standards</a>
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