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<title>Using the GNU Compiler Collection (GCC)</title>
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<h3 class="section">Built-in Functions Specific to Particular Target Machines</h3>
<p>On some target machines, GCC supports many built-in functions specific
to those machines. Generally these generate calls to specific machine
instructions, but allow the compiler to schedule those calls.
<ul class="menu">
<li><a accesskey="1" href="Alpha-Built-in-Functions.html#Alpha%20Built-in%20Functions">Alpha Built-in Functions</a>:
<li><a accesskey="2" href="X86-Built-in-Functions.html#X86%20Built-in%20Functions">X86 Built-in Functions</a>:
<li><a accesskey="3" href="PowerPC-AltiVec-Built-in-Functions.html#PowerPC%20AltiVec%20Built-in%20Functions">PowerPC AltiVec Built-in Functions</a>:
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