Sophie: rust-doc-1.35.0-1.mga7 armv7hl

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</pre><div class="example-wrap"><pre class="rust ">
<span class="doccomment">//! ARMv7 intrinsics.</span>
<span class="doccomment">//!</span>
<span class="doccomment">//! The reference is [ARMv7-M Architecture Reference Manual (Issue</span>
<span class="doccomment">//! E.b)][armv7m].</span>
<span class="doccomment">//!</span>
<span class="doccomment">//! [armv7m]:</span>
<span class="doccomment">//! http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.ddi0403e.</span>
<span class="doccomment">//! b/index.html</span>

<span class="kw">pub</span> <span class="kw">use</span> <span class="kw">super</span>::<span class="ident">v6</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="doccomment">/// Count Leading Zeros.</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">&quot;arm&quot;</span>, <span class="ident">target_feature</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">&quot;v7&quot;</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_arch</span> <span class="op">=</span> <span class="string">&quot;aarch64&quot;</span>), <span class="ident">assert_instr</span>(<span class="ident">clz</span>))]</span>
<span class="comment">// FIXME: https://github.com/rust-lang-nursery/stdsimd/issues/382</span>
<span class="comment">// #[cfg_attr(all(test, target_arch = &quot;arm&quot;), assert_instr(clz))]</span>
<span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_clz_u8</span>(<span class="ident">x</span>: <span class="ident">u8</span>) <span class="op">-&gt;</span> <span class="ident">u8</span> {
    <span class="ident">x</span>.<span class="ident">leading_zeros</span>() <span class="kw">as</span> <span class="ident">u8</span>
}

<span class="doccomment">/// Count Leading Zeros.</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">&quot;arm&quot;</span>, <span class="ident">target_feature</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">&quot;v7&quot;</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_arch</span> <span class="op">=</span> <span class="string">&quot;aarch64&quot;</span>), <span class="ident">assert_instr</span>(<span class="ident">clz</span>))]</span>
<span class="comment">// FIXME: https://github.com/rust-lang-nursery/stdsimd/issues/382</span>
<span class="comment">// #[cfg_attr(all(test, target_arch = &quot;arm&quot;), assert_instr(clz))]</span>
<span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_clz_u16</span>(<span class="ident">x</span>: <span class="ident">u16</span>) <span class="op">-&gt;</span> <span class="ident">u16</span> {
    <span class="ident">x</span>.<span class="ident">leading_zeros</span>() <span class="kw">as</span> <span class="ident">u16</span>
}

<span class="doccomment">/// Count Leading Zeros.</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">&quot;arm&quot;</span>, <span class="ident">target_feature</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">&quot;v7&quot;</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_arch</span> <span class="op">=</span> <span class="string">&quot;aarch64&quot;</span>), <span class="ident">assert_instr</span>(<span class="ident">clz</span>))]</span>
<span class="comment">// FIXME: https://github.com/rust-lang-nursery/stdsimd/issues/382</span>
<span class="comment">// #[cfg_attr(all(test, target_arch = &quot;arm&quot;), assert_instr(clz))]</span>
<span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_clz_u32</span>(<span class="ident">x</span>: <span class="ident">u32</span>) <span class="op">-&gt;</span> <span class="ident">u32</span> {
    <span class="ident">x</span>.<span class="ident">leading_zeros</span>() <span class="kw">as</span> <span class="ident">u32</span>
}

<span class="doccomment">/// Reverse the bit order.</span>
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">&quot;arm&quot;</span>, <span class="ident">target_feature</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">&quot;v7&quot;</span>))]</span>
<span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">test</span>, <span class="ident">assert_instr</span>(<span class="ident">rbit</span>))]</span>
<span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_rbit_u32</span>(<span class="ident">x</span>: <span class="ident">u32</span>) <span class="op">-&gt;</span> <span class="ident">u32</span> {
    <span class="kw">crate</span>::<span class="ident">intrinsics</span>::<span class="ident">bitreverse</span>(<span class="ident">x</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="kw">use</span> <span class="kw">crate</span>::<span class="ident">core_arch</span>::<span class="ident">arm</span>::<span class="ident">v7</span>;

    <span class="attribute">#[<span class="ident">test</span>]</span>
    <span class="kw">fn</span> <span class="ident">_clz_u8</span>() {
        <span class="kw">unsafe</span> {
            <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">v7</span>::<span class="ident">_clz_u8</span>(<span class="number">0b0000_1010u8</span>), <span class="number">4u8</span>);
        }
    }

    <span class="attribute">#[<span class="ident">test</span>]</span>
    <span class="kw">fn</span> <span class="ident">_clz_u16</span>() {
        <span class="kw">unsafe</span> {
            <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">v7</span>::<span class="ident">_clz_u16</span>(<span class="number">0b0000_1010u16</span>), <span class="number">12u16</span>);
        }
    }

    <span class="attribute">#[<span class="ident">test</span>]</span>
    <span class="kw">fn</span> <span class="ident">_clz_u32</span>() {
        <span class="kw">unsafe</span> {
            <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">v7</span>::<span class="ident">_clz_u32</span>(<span class="number">0b0000_1010u32</span>), <span class="number">28u32</span>);
        }
    }

    <span class="attribute">#[<span class="ident">test</span>]</span>
    <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">dont_compile_me</span>)]</span> <span class="comment">// FIXME need to add `v7` upstream in rustc</span>
    <span class="kw">fn</span> <span class="ident">_rbit_u32</span>() {
        <span class="kw">unsafe</span> {
            <span class="macro">assert_eq</span><span class="macro">!</span>(
                <span class="ident">v7</span>::<span class="ident">_rbit_u32</span>(<span class="number">0b0000_1010u32</span>),
                <span class="number">0b0101_0000_0000_0000_0000_0000_0000_0000u32</span>
            );
        }
    }
}
</pre></div>
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