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| author | Craig Jennings <c@cjennings.net> | 2024-04-07 13:41:34 -0500 |
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| committer | Craig Jennings <c@cjennings.net> | 2024-04-07 13:41:34 -0500 |
| commit | 754bbf7a25a8dda49b5d08ef0d0443bbf5af0e36 (patch) | |
| tree | f1190704f78f04a2b0b4c977d20fe96a828377f1 /devdocs/gcc~13/pru-pragmas.html | |
new repository
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| -rw-r--r-- | devdocs/gcc~13/pru-pragmas.html | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/devdocs/gcc~13/pru-pragmas.html b/devdocs/gcc~13/pru-pragmas.html new file mode 100644 index 00000000..adf7b2a3 --- /dev/null +++ b/devdocs/gcc~13/pru-pragmas.html @@ -0,0 +1,12 @@ +<div class="subsection-level-extent" id="PRU-Pragmas"> <div class="nav-panel"> <p> Next: <a href="rs_002f6000-and-powerpc-pragmas" accesskey="n" rel="next">RS/6000 and PowerPC Pragmas</a>, Previous: <a href="m32c-pragmas" accesskey="p" rel="prev">M32C Pragmas</a>, Up: <a href="pragmas" accesskey="u" rel="up">Pragmas Accepted by GCC</a> [<a href="index#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="indices" title="Index" rel="index">Index</a>]</p> </div> <h1 class="subsection" id="PRU-Pragmas-1"><span>6.62.4 PRU Pragmas<a class="copiable-link" href="#PRU-Pragmas-1"> ¶</a></span></h1> <dl class="table"> <dt> +<span><code class="code">ctable_entry <var class="var">index</var> <var class="var">constant_address</var></code><a class="copiable-link" href="#index-pragma_002c-ctable_005fentry"> ¶</a></span> +</dt> <dd> +<p>Specifies that the PRU CTABLE entry given by <var class="var">index</var> has the value <var class="var">constant_address</var>. This enables GCC to emit LBCO/SBCO instructions when the load/store address is known and can be addressed with some CTABLE entry. For example: </p> <div class="example smallexample"> <pre class="example-preformatted" data-language="cpp">/* will compile to "sbco Rx, 2, 0x10, 4" */ +#pragma ctable_entry 2 0x4802a000 +*(unsigned int *)0x4802a010 = val;</pre> +</div> </dd> </dl> </div><div class="_attribution"> + <p class="_attribution-p"> + © Free Software Foundation<br>Licensed under the GNU Free Documentation License, Version 1.3.<br> + <a href="https://gcc.gnu.org/onlinedocs/gcc-13.1.0/gcc/PRU-Pragmas.html" class="_attribution-link">https://gcc.gnu.org/onlinedocs/gcc-13.1.0/gcc/PRU-Pragmas.html</a> + </p> +</div> |