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<a name="TILE_002dGx-Built_002din-Functions-1"></a>
<h4 class="subsection">6.60.32 TILE-Gx Built-in Functions</h4>

<p>GCC provides intrinsics to access every instruction of the TILE-Gx
processor.  The intrinsics are of the form:
</p>
<div class="smallexample">
<pre class="smallexample">

unsigned long long __insn_<var>op</var> (...)

</pre></div>

<p>Where <var>op</var> is the name of the instruction.  Refer to the ISA manual
for the complete list of instructions.
</p>
<p>GCC also provides intrinsics to directly access the network registers.
The intrinsics are:
</p>
<div class="smallexample">
<pre class="smallexample">

unsigned long long __tile_idn0_receive (void)
unsigned long long __tile_idn1_receive (void)
unsigned long long __tile_udn0_receive (void)
unsigned long long __tile_udn1_receive (void)
unsigned long long __tile_udn2_receive (void)
unsigned long long __tile_udn3_receive (void)
void __tile_idn_send (unsigned long long)
void __tile_udn_send (unsigned long long)

</pre></div>

<p>The intrinsic <code>void __tile_network_barrier (void)</code> is used to
guarantee that no network operations before it are reordered with
those after it.
</p>


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