diff options
| author | Craig Jennings <c@cjennings.net> | 2025-08-14 22:58:58 -0500 |
|---|---|---|
| committer | Craig Jennings <c@cjennings.net> | 2025-08-14 22:58:58 -0500 |
| commit | 82ba818ff456bcd6d56a06226e3f27e98fbb55c3 (patch) | |
| tree | 158cfc17b2f644a10f063cb546752cfaae12c97f /devdocs/gcc~13/mips-simd-architecture-_0028msa_0029-support.html | |
| parent | 9278ddd4ea1a8b1a4c1edaa8894516e3f48d245b (diff) | |
| download | dotemacs-82ba818ff456bcd6d56a06226e3f27e98fbb55c3.tar.gz dotemacs-82ba818ff456bcd6d56a06226e3f27e98fbb55c3.zip | |
removing all downloaded devdocs files
Diffstat (limited to 'devdocs/gcc~13/mips-simd-architecture-_0028msa_0029-support.html')
| -rw-r--r-- | devdocs/gcc~13/mips-simd-architecture-_0028msa_0029-support.html | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/devdocs/gcc~13/mips-simd-architecture-_0028msa_0029-support.html b/devdocs/gcc~13/mips-simd-architecture-_0028msa_0029-support.html deleted file mode 100644 index 19fbede6e..000000000 --- a/devdocs/gcc~13/mips-simd-architecture-_0028msa_0029-support.html +++ /dev/null @@ -1,74 +0,0 @@ -<div class="subsection-level-extent" id="MIPS-SIMD-Architecture-_0028MSA_0029-Support"> <div class="nav-panel"> <p> Next: <a href="other-mips-built-in-functions" accesskey="n" rel="next">Other MIPS Built-in Functions</a>, Previous: <a href="mips-loongson-built-in-functions" accesskey="p" rel="prev">MIPS Loongson Built-in Functions</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="MIPS-SIMD-Architecture-_0028MSA_0029-Support-1"><span>6.60.18 MIPS SIMD Architecture (MSA) Support<a class="copiable-link" href="#MIPS-SIMD-Architecture-_0028MSA_0029-Support-1"> ¶</a></span></h1> <p>GCC provides intrinsics to access the SIMD instructions provided by the MSA MIPS SIMD Architecture. The interface is made available by including <code class="code"><msa.h></code> and using <samp class="option">-mmsa -mhard-float -mfp64 -mnan=2008</samp>. For each <code class="code">__builtin_msa_*</code>, there is a shortened name of the intrinsic, <code class="code">__msa_*</code>. </p> <p>MSA implements 128-bit wide vector registers, operating on 8-, 16-, 32- and 64-bit integer, 16- and 32-bit fixed-point, or 32- and 64-bit floating point data elements. The following vectors typedefs are included in <code class="code">msa.h</code>: </p> -<ul class="itemize mark-bullet"> <li> -<code class="code">v16i8</code>, a vector of sixteen signed 8-bit integers; </li> -<li> -<code class="code">v16u8</code>, a vector of sixteen unsigned 8-bit integers; </li> -<li> -<code class="code">v8i16</code>, a vector of eight signed 16-bit integers; </li> -<li> -<code class="code">v8u16</code>, a vector of eight unsigned 16-bit integers; </li> -<li> -<code class="code">v4i32</code>, a vector of four signed 32-bit integers; </li> -<li> -<code class="code">v4u32</code>, a vector of four unsigned 32-bit integers; </li> -<li> -<code class="code">v2i64</code>, a vector of two signed 64-bit integers; </li> -<li> -<code class="code">v2u64</code>, a vector of two unsigned 64-bit integers; </li> -<li> -<code class="code">v4f32</code>, a vector of four 32-bit floats; </li> -<li> -<code class="code">v2f64</code>, a vector of two 64-bit doubles. </li> -</ul> <p>Instructions and corresponding built-ins may have additional restrictions and/or input/output values manipulated: </p> -<ul class="itemize mark-bullet"> <li> -<code class="code">imm0_1</code>, an integer literal in range 0 to 1; </li> -<li> -<code class="code">imm0_3</code>, an integer literal in range 0 to 3; </li> -<li> -<code class="code">imm0_7</code>, an integer literal in range 0 to 7; </li> -<li> -<code class="code">imm0_15</code>, an integer literal in range 0 to 15; </li> -<li> -<code class="code">imm0_31</code>, an integer literal in range 0 to 31; </li> -<li> -<code class="code">imm0_63</code>, an integer literal in range 0 to 63; </li> -<li> -<code class="code">imm0_255</code>, an integer literal in range 0 to 255; </li> -<li> -<code class="code">imm_n16_15</code>, an integer literal in range -16 to 15; </li> -<li> -<code class="code">imm_n512_511</code>, an integer literal in range -512 to 511; </li> -<li> -<code class="code">imm_n1024_1022</code>, an integer literal in range -512 to 511 left shifted by 1 bit, i.e., -1024, -1022, …, 1020, 1022; </li> -<li> -<code class="code">imm_n2048_2044</code>, an integer literal in range -512 to 511 left shifted by 2 bits, i.e., -2048, -2044, …, 2040, 2044; </li> -<li> -<code class="code">imm_n4096_4088</code>, an integer literal in range -512 to 511 left shifted by 3 bits, i.e., -4096, -4088, …, 4080, 4088; </li> -<li> -<code class="code">imm1_4</code>, an integer literal in range 1 to 4; </li> -<li> -<code class="code">i32, i64, u32, u64, f32, f64</code>, defined as follows: </li> -</ul> <div class="example smallexample"> <pre class="example-preformatted" data-language="cpp">{ -typedef int i32; -#if __LONG_MAX__ == __LONG_LONG_MAX__ -typedef long i64; -#else -typedef long long i64; -#endif - -typedef unsigned int u32; -#if __LONG_MAX__ == __LONG_LONG_MAX__ -typedef unsigned long u64; -#else -typedef unsigned long long u64; -#endif - -typedef double f64; -typedef float f32; -}</pre> -</div> <ul class="mini-toc"> <li><a href="mips-simd-architecture-built-in-functions" accesskey="1">MIPS SIMD Architecture Built-in Functions</a></li> </ul> </div> <div class="nav-panel"> <p> Next: <a href="other-mips-built-in-functions">Other MIPS Built-in Functions</a>, Previous: <a href="mips-loongson-built-in-functions">MIPS Loongson Built-in Functions</a>, Up: <a href="target-builtins">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><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/MIPS-SIMD-Architecture-_0028MSA_0029-Support.html" class="_attribution-link">https://gcc.gnu.org/onlinedocs/gcc-13.1.0/gcc/MIPS-SIMD-Architecture-_0028MSA_0029-Support.html</a> - </p> -</div> |
