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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/raw-read_002fwrite-functions.html | |
new repository
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| -rw-r--r-- | devdocs/gcc~13/raw-read_002fwrite-functions.html | 6 |
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diff --git a/devdocs/gcc~13/raw-read_002fwrite-functions.html b/devdocs/gcc~13/raw-read_002fwrite-functions.html new file mode 100644 index 00000000..0b32ab21 --- /dev/null +++ b/devdocs/gcc~13/raw-read_002fwrite-functions.html @@ -0,0 +1,6 @@ +<div class="subsubsection-level-extent" id="Raw-read_002fwrite-Functions"> <div class="nav-panel"> <p> Next: <a href="other-built-in-functions" accesskey="n" rel="next">Other Built-in Functions</a>, Previous: <a href="directly-mapped-media-functions" accesskey="p" rel="prev">Directly-Mapped Media Functions</a>, Up: <a href="fr-v-built-in-functions" accesskey="u" rel="up">FR-V Built-in Functions</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="subsubsection" id="Raw-Read_002fWrite-Functions"><span>6.60.13.4 Raw Read/Write Functions<a class="copiable-link" href="#Raw-Read_002fWrite-Functions"> ¶</a></span></h1> <p>This sections describes built-in functions related to read and write instructions to access memory. These functions generate <code class="code">membar</code> instructions to flush the I/O load and stores where appropriate, as described in Fujitsu’s manual described above. </p> <dl class="table"> <dt><code class="code">unsigned char __builtin_read8 (void *<var class="var">data</var>)</code></dt> <dt><code class="code">unsigned short __builtin_read16 (void *<var class="var">data</var>)</code></dt> <dt><code class="code">unsigned long __builtin_read32 (void *<var class="var">data</var>)</code></dt> <dt><code class="code">unsigned long long __builtin_read64 (void *<var class="var">data</var>)</code></dt> <dt><code class="code">void __builtin_write8 (void *<var class="var">data</var>, unsigned char <var class="var">datum</var>)</code></dt> <dt><code class="code">void __builtin_write16 (void *<var class="var">data</var>, unsigned short <var class="var">datum</var>)</code></dt> <dt><code class="code">void __builtin_write32 (void *<var class="var">data</var>, unsigned long <var class="var">datum</var>)</code></dt> <dt><code class="code">void __builtin_write64 (void *<var class="var">data</var>, unsigned long long <var class="var">datum</var>)</code></dt> </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/Raw-read_002fwrite-Functions.html" class="_attribution-link">https://gcc.gnu.org/onlinedocs/gcc-13.1.0/gcc/Raw-read_002fwrite-Functions.html</a> + </p> +</div> |