diff options
| author | Craig Jennings <c@cjennings.net> | 2024-04-07 13:41:34 -0500 |
|---|---|---|
| committer | Craig Jennings <c@cjennings.net> | 2024-04-07 13:41:34 -0500 |
| commit | 754bbf7a25a8dda49b5d08ef0d0443bbf5af0e36 (patch) | |
| tree | f1190704f78f04a2b0b4c977d20fe96a828377f1 /devdocs/gcc~13/other-mips-built-in-functions.html | |
new repository
Diffstat (limited to 'devdocs/gcc~13/other-mips-built-in-functions.html')
| -rw-r--r-- | devdocs/gcc~13/other-mips-built-in-functions.html | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/devdocs/gcc~13/other-mips-built-in-functions.html b/devdocs/gcc~13/other-mips-built-in-functions.html new file mode 100644 index 00000000..e02604d8 --- /dev/null +++ b/devdocs/gcc~13/other-mips-built-in-functions.html @@ -0,0 +1,9 @@ +<div class="subsection-level-extent" id="Other-MIPS-Built-in-Functions"> <div class="nav-panel"> <p> Next: <a href="msp430-built-in-functions" accesskey="n" rel="next">MSP430 Built-in Functions</a>, Previous: <a href="mips-simd-architecture-_0028msa_0029-support" accesskey="p" rel="prev">MIPS SIMD Architecture (MSA) Support</a>, Up: <a href="target-builtins" accesskey="u" rel="up">Built-in Functions Specific to Particular Target Machines</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="Other-MIPS-Built-in-Functions-1"><span>6.60.19 Other MIPS Built-in Functions<a class="copiable-link" href="#Other-MIPS-Built-in-Functions-1"> ¶</a></span></h1> <p>GCC provides other MIPS-specific built-in functions: </p> <dl class="table"> <dt><code class="code">void __builtin_mips_cache (int <var class="var">op</var>, const volatile void *<var class="var">addr</var>)</code></dt> <dd> +<p>Insert a ‘<samp class="samp">cache</samp>’ instruction with operands <var class="var">op</var> and <var class="var">addr</var>. GCC defines the preprocessor macro <code class="code">___GCC_HAVE_BUILTIN_MIPS_CACHE</code> when this function is available. </p> </dd> <dt><code class="code">unsigned int __builtin_mips_get_fcsr (void)</code></dt> <dt><code class="code">void __builtin_mips_set_fcsr (unsigned int <var class="var">value</var>)</code></dt> <dd> +<p>Get and set the contents of the floating-point control and status register (FPU control register 31). These functions are only available in hard-float code but can be called in both MIPS16 and non-MIPS16 contexts. </p> <p><code class="code">__builtin_mips_set_fcsr</code> can be used to change any bit of the register except the condition codes, which GCC assumes are preserved. </p> +</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/Other-MIPS-Built-in-Functions.html" class="_attribution-link">https://gcc.gnu.org/onlinedocs/gcc-13.1.0/gcc/Other-MIPS-Built-in-Functions.html</a> + </p> +</div> |