<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source to the Rust file `src/libcore/../stdsimd/crates/core_arch/src/powerpc/vsx.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>vsx.rs.html -- source</title><link rel="stylesheet" type="text/css" href="../../../../../../../../normalize1.35.0.css"><link rel="stylesheet" type="text/css" href="../../../../../../../../rustdoc1.35.0.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../../../../../../dark1.35.0.css"><link rel="stylesheet" type="text/css" href="../../../../../../../../light1.35.0.css" id="themeStyle"><script src="../../../../../../../../storage1.35.0.js"></script><noscript><link rel="stylesheet" href="../../../../../../../../noscript1.35.0.css"></noscript><link rel="shortcut icon" href="../../../../../../../../favicon1.35.0.ico"><style type="text/css">#crate-search{background-image:url("../../../../../../../../down-arrow1.35.0.svg");}</style></head><body class="rustdoc source"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</div><a href='../../../../../../../../core/index.html'><img src='../../../../../../../../rust-logo1.35.0.png' alt='logo' width='100'></a></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../../../../../../../../brush1.35.0.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../../../../../../../../theme1.35.0.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><a id="settings-menu" href="../../../../../../../../settings.html"><img src="../../../../../../../../wheel1.35.0.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><pre class="line-numbers"><span id="1"> 1</span>
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</pre><div class="example-wrap"><pre class="rust ">
<span class="doccomment">//! PowerPC Vector Scalar eXtensions (VSX) intrinsics.</span>
<span class="doccomment">//!</span>
<span class="doccomment">//! The references are: [POWER ISA v2.07B (for POWER8 & POWER8 with NVIDIA</span>
<span class="doccomment">//! NVlink)] and [POWER ISA v3.0B (for POWER9)].</span>
<span class="doccomment">//!</span>
<span class="doccomment">//! [POWER ISA v2.07B (for POWER8 & POWER8 with NVIDIA NVlink)]: https://ibm.box.com/s/jd5w15gz301s5b5dt375mshpq9c3lh4u</span>
<span class="doccomment">//! [POWER ISA v3.0B (for POWER9)]: https://ibm.box.com/s/1hzcwkwf8rbju5h9iyf44wm94amnlcrv</span>
<span class="attribute">#![<span class="ident">allow</span>(<span class="ident">non_camel_case_types</span>)]</span>
<span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">core_arch</span>::<span class="ident">simd_llvm</span>::<span class="kw-2">*</span>;
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">test</span>)]</span>
<span class="kw">use</span> <span class="ident">stdsimd_test</span>::<span class="ident">assert_instr</span>;
<span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">mem</span>;
<span class="macro">types</span><span class="macro">!</span> {
<span class="comment">// pub struct vector_Float16 = f16x8;</span>
<span class="doccomment">/// PowerPC-specific 128-bit wide vector of two packed `i64`</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">vector_signed_long</span>(<span class="ident">i64</span>, <span class="ident">i64</span>);
<span class="doccomment">/// PowerPC-specific 128-bit wide vector of two packed `u64`</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">vector_unsigned_long</span>(<span class="ident">u64</span>, <span class="ident">u64</span>);
<span class="doccomment">/// PowerPC-specific 128-bit wide vector mask of two elements</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">vector_bool_long</span>(<span class="ident">i64</span>, <span class="ident">i64</span>);
<span class="doccomment">/// PowerPC-specific 128-bit wide vector of two packed `f64`</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">vector_double</span>(<span class="ident">f64</span>, <span class="ident">f64</span>);
<span class="comment">// pub struct vector_signed_long_long = vector_signed_long;</span>
<span class="comment">// pub struct vector_unsigned_long_long = vector_unsigned_long;</span>
<span class="comment">// pub struct vector_bool_long_long = vector_bool_long;</span>
<span class="comment">// pub struct vector_signed___int128 = i128x1;</span>
<span class="comment">// pub struct vector_unsigned___int128 = i128x1;</span>
}
<span class="kw">mod</span> <span class="ident">sealed</span> {
<span class="kw">use</span> <span class="kw">super</span>::<span class="kw-2">*</span>;
<span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">core_arch</span>::<span class="ident">simd</span>::<span class="kw-2">*</span>;
<span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">VectorPermDI</span> {
<span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">vec_xxpermdi</span>(<span class="self">self</span>, <span class="ident">b</span>: <span class="self">Self</span>, <span class="ident">dm</span>: <span class="ident">u8</span>) <span class="op">-></span> <span class="self">Self</span>;
}
<span class="comment">// xxpermdi has an big-endian bias and extended mnemonics</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="attribute">#[<span class="ident">target_feature</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"vsx"</span>)]</span>
<span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">all</span>(<span class="ident">test</span>, <span class="ident">target_endian</span> <span class="op">=</span> <span class="string">"little"</span>), <span class="ident">assert_instr</span>(<span class="ident">xxmrgld</span>, <span class="ident">dm</span> <span class="op">=</span> <span class="number">0x0</span>))]</span>
<span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">all</span>(<span class="ident">test</span>, <span class="ident">target_endian</span> <span class="op">=</span> <span class="string">"big"</span>), <span class="ident">assert_instr</span>(<span class="ident">xxspltd</span>, <span class="ident">dm</span> <span class="op">=</span> <span class="number">0x0</span>))]</span>
<span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">xxpermdi</span>(<span class="ident">a</span>: <span class="ident">i64x2</span>, <span class="ident">b</span>: <span class="ident">i64x2</span>, <span class="ident">dm</span>: <span class="ident">u8</span>) <span class="op">-></span> <span class="ident">i64x2</span> {
<span class="kw">match</span> <span class="ident">dm</span> <span class="op">&</span> <span class="number">0b11</span> {
<span class="number">0</span> <span class="op">=></span> <span class="ident">simd_shuffle2</span>(<span class="ident">a</span>, <span class="ident">b</span>, [<span class="number">0b00</span>, <span class="number">0b10</span>]),
<span class="number">1</span> <span class="op">=></span> <span class="ident">simd_shuffle2</span>(<span class="ident">a</span>, <span class="ident">b</span>, [<span class="number">0b01</span>, <span class="number">0b10</span>]),
<span class="number">2</span> <span class="op">=></span> <span class="ident">simd_shuffle2</span>(<span class="ident">a</span>, <span class="ident">b</span>, [<span class="number">0b00</span>, <span class="number">0b11</span>]),
<span class="kw">_</span> <span class="op">=></span> <span class="ident">simd_shuffle2</span>(<span class="ident">a</span>, <span class="ident">b</span>, [<span class="number">0b01</span>, <span class="number">0b11</span>]),
}
}
<span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">vec_xxpermdi</span> {
{<span class="macro-nonterminal">$</span><span class="kw">impl</span>: <span class="macro-nonterminal">ident</span>} <span class="op">=></span> {
<span class="kw">impl</span> <span class="ident">VectorPermDI</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="kw">impl</span> {
<span class="attribute">#[<span class="macro-nonterminal">inline</span>]</span>
<span class="attribute">#[<span class="ident">target_feature</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"vsx"</span>)]</span>
<span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">vec_xxpermdi</span>(<span class="self">self</span>, <span class="ident">b</span>: <span class="self">Self</span>, <span class="ident">dm</span>: <span class="ident">u8</span>) <span class="op">-></span> <span class="self">Self</span> {
<span class="ident">mem</span>::<span class="ident">transmute</span>(<span class="ident">xxpermdi</span>(<span class="ident">mem</span>::<span class="ident">transmute</span>(<span class="self">self</span>), <span class="ident">mem</span>::<span class="ident">transmute</span>(<span class="ident">b</span>), <span class="ident">dm</span>))
}
}
}
}
<span class="macro">vec_xxpermdi</span><span class="macro">!</span> { <span class="ident">vector_unsigned_long</span> }
<span class="macro">vec_xxpermdi</span><span class="macro">!</span> { <span class="ident">vector_signed_long</span> }
<span class="macro">vec_xxpermdi</span><span class="macro">!</span> { <span class="ident">vector_bool_long</span> }
<span class="macro">vec_xxpermdi</span><span class="macro">!</span> { <span class="ident">vector_double</span> }
}
<span class="doccomment">/// Vector permute.</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="attribute">#[<span class="ident">target_feature</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"vsx"</span>)]</span>
<span class="attribute">#[<span class="ident">rustc_args_required_const</span>(<span class="number">2</span>)]</span>
<span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">vec_xxpermdi</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>(<span class="ident">a</span>: <span class="ident">T</span>, <span class="ident">b</span>: <span class="ident">T</span>, <span class="ident">dm</span>: <span class="ident">u8</span>) <span class="op">-></span> <span class="ident">T</span>
<span class="kw">where</span>
<span class="ident">T</span>: <span class="ident">sealed</span>::<span class="ident">VectorPermDI</span>,
{
<span class="ident">a</span>.<span class="ident">vec_xxpermdi</span>(<span class="ident">b</span>, <span class="ident">dm</span>)
}
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">test</span>)]</span>
<span class="kw">mod</span> <span class="ident">tests</span> {
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"powerpc"</span>)]</span>
<span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">core_arch</span>::<span class="ident">arch</span>::<span class="ident">powerpc</span>::<span class="kw-2">*</span>;
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"powerpc64"</span>)]</span>
<span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">core_arch</span>::<span class="ident">arch</span>::<span class="ident">powerpc64</span>::<span class="kw-2">*</span>;
<span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">core_arch</span>::<span class="ident">simd</span>::<span class="kw-2">*</span>;
<span class="kw">use</span> <span class="ident">stdsimd_test</span>::<span class="ident">simd_test</span>;
<span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">test_vec_xxpermdi</span> {
{<span class="macro-nonterminal">$</span><span class="macro-nonterminal">name</span>:<span class="ident">ident</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">shorttype</span>:<span class="ident">ident</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">longtype</span>:<span class="ident">ident</span>, [$(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">a</span>:<span class="ident">expr</span>),<span class="op">+</span>], [$(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">b</span>:<span class="ident">expr</span>),<span class="op">+</span>], [$(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">c</span>:<span class="ident">expr</span>),<span class="op">+</span>], [$(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">d</span>:<span class="ident">expr</span>),<span class="op">+</span>]} <span class="op">=></span> {
<span class="attribute">#[<span class="ident">simd_test</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"vsx"</span>)]</span>
<span class="kw">unsafe</span> <span class="kw">fn</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">name</span>() {
<span class="kw">let</span> <span class="ident">a</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">longtype</span> <span class="op">=</span> ::<span class="ident">mem</span>::<span class="ident">transmute</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">shorttype</span>::<span class="ident">new</span>($(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">a</span>),<span class="op">+</span>, $(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">b</span>),<span class="op">+</span>));
<span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> ::<span class="ident">mem</span>::<span class="ident">transmute</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">shorttype</span>::<span class="ident">new</span>($(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">c</span>),<span class="op">+</span>, $(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">d</span>),<span class="op">+</span>));
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">shorttype</span>::<span class="ident">new</span>($(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">a</span>),<span class="op">+</span>, $(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">c</span>),<span class="op">+</span>), ::<span class="ident">mem</span>::<span class="ident">transmute</span>(<span class="ident">vec_xxpermdi</span>(<span class="ident">a</span>, <span class="ident">b</span>, <span class="number">0</span>)));
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">shorttype</span>::<span class="ident">new</span>($(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">b</span>),<span class="op">+</span>, $(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">c</span>),<span class="op">+</span>), ::<span class="ident">mem</span>::<span class="ident">transmute</span>(<span class="ident">vec_xxpermdi</span>(<span class="ident">a</span>, <span class="ident">b</span>, <span class="number">1</span>)));
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">shorttype</span>::<span class="ident">new</span>($(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">a</span>),<span class="op">+</span>, $(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">d</span>),<span class="op">+</span>), ::<span class="ident">mem</span>::<span class="ident">transmute</span>(<span class="ident">vec_xxpermdi</span>(<span class="ident">a</span>, <span class="ident">b</span>, <span class="number">2</span>)));
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">shorttype</span>::<span class="ident">new</span>($(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">b</span>),<span class="op">+</span>, $(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">d</span>),<span class="op">+</span>), ::<span class="ident">mem</span>::<span class="ident">transmute</span>(<span class="ident">vec_xxpermdi</span>(<span class="ident">a</span>, <span class="ident">b</span>, <span class="number">3</span>)));
}
}
}
<span class="macro">test_vec_xxpermdi</span><span class="macro">!</span> {<span class="ident">test_vec_xxpermdi_u64x2</span>, <span class="ident">u64x2</span>, <span class="ident">vector_unsigned_long</span>, [<span class="number">0</span>], [<span class="number">1</span>], [<span class="number">2</span>], [<span class="number">3</span>]}
<span class="macro">test_vec_xxpermdi</span><span class="macro">!</span> {<span class="ident">test_vec_xxpermdi_i64x2</span>, <span class="ident">i64x2</span>, <span class="ident">vector_signed_long</span>, [<span class="number">0</span>], [<span class="op">-</span><span class="number">1</span>], [<span class="number">2</span>], [<span class="op">-</span><span class="number">3</span>]}
<span class="macro">test_vec_xxpermdi</span><span class="macro">!</span> {<span class="ident">test_vec_xxpermdi_m64x2</span>, <span class="ident">m64x2</span>, <span class="ident">vector_bool_long</span>, [<span class="bool-val">false</span>], [<span class="bool-val">true</span>], [<span class="bool-val">false</span>], [<span class="bool-val">true</span>]}
<span class="macro">test_vec_xxpermdi</span><span class="macro">!</span> {<span class="ident">test_vec_xxpermdi_f64x2</span>, <span class="ident">f64x2</span>, <span class="ident">vector_double</span>, [<span class="number">0.0</span>], [<span class="number">1.0</span>], [<span class="number">2.0</span>], [<span class="number">3.0</span>]}
}
</pre></div>
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distrib
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Mageia
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7
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armv7hl
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media
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core-release
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by-pkgid
>
0c2243f8a1696816431e7210e991fa52
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files
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14002
