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| <title>Using the GNU Compiler Collection (GCC): TILE-Gx Built-in Functions</title> |
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| <h4 class="subsection">6.57.30 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. |
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