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</pre><pre class="rust ">
<span class="doccomment">//! LLVM6 currently generates sub-optimal code for the `all` mask reductions.</span>
<span class="doccomment">//!</span>
<span class="doccomment">//! See https://github.com/rust-lang-nursery/stdsimd/issues/362#issuecomment-372774371</span>
<span class="doccomment">//! and the associated LLVM bug:</span>
<span class="doccomment">//! https://bugs.llvm.org/show_bug.cgi?id=36702</span>
<span class="attribute">#![<span class="ident">allow</span>(<span class="ident">unused</span>)]</span>
<span class="kw">use</span> <span class="ident">coresimd</span>::<span class="ident">simd</span>::<span class="kw-2">*</span>;
<span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">All</span>: ::<span class="ident">marker</span>::<span class="ident">Sized</span> {
<span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">all</span>(<span class="self">self</span>) <span class="op">-></span> <span class="ident">bool</span>;
}
<span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">Any</span>: ::<span class="ident">marker</span>::<span class="ident">Sized</span> {
<span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">any</span>(<span class="self">self</span>) <span class="op">-></span> <span class="ident">bool</span>;
}
<span class="comment">// By default we use the simd_reduce_{all,any} intrinsics, which produces</span>
<span class="comment">// sub-optimal code, except on aarch64 where that intrinsic is broken</span>
<span class="comment">// due to https://bugs.llvm.org/show_bug.cgi?id=36796 so we just use</span>
<span class="comment">// full-blown bitwise and/or reduction there.</span>
<span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">default_impl</span> {
(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span>:<span class="ident">ident</span>) <span class="op">=></span> {
<span class="kw">impl</span> <span class="ident">All</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span> {
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">all</span>(<span class="self">self</span>) <span class="op">-></span> <span class="ident">bool</span> {
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">not</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"aarch64"</span>))]</span> {
<span class="kw">use</span> <span class="ident">coresimd</span>::<span class="ident">simd_llvm</span>::<span class="ident">simd_reduce_all</span>;
<span class="ident">simd_reduce_all</span>(<span class="self">self</span>)
}
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"aarch64"</span>)]</span> {
<span class="comment">// FIXME: Broken on AArch64</span>
<span class="comment">// https://bugs.llvm.org/show_bug.cgi?id=36796</span>
<span class="self">self</span>.<span class="ident">and</span>()
}
}
}
<span class="kw">impl</span> <span class="ident">Any</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span> {
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">any</span>(<span class="self">self</span>) <span class="op">-></span> <span class="ident">bool</span> {
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">not</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"aarch64"</span>))]</span> {
<span class="kw">use</span> <span class="ident">coresimd</span>::<span class="ident">simd_llvm</span>::<span class="ident">simd_reduce_any</span>;
<span class="ident">simd_reduce_any</span>(<span class="self">self</span>)
}
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"aarch64"</span>)]</span> {
<span class="comment">// FIXME: Broken on AArch64</span>
<span class="comment">// https://bugs.llvm.org/show_bug.cgi?id=36796</span>
<span class="self">self</span>.<span class="ident">or</span>()
}
}
}
};
}
<span class="comment">// On x86 both SSE2 and AVX2 provide movemask instructions that can be used</span>
<span class="comment">// here. The AVX2 instructions aren't necessarily better than the AVX</span>
<span class="comment">// instructions below, so they aren't implemented here.</span>
<span class="comment">//</span>
<span class="comment">// FIXME: for mask generated from f32x4 LLVM6 emits pmovmskb but should emit</span>
<span class="comment">// movmskps. Since the masks don't track whether they were produced by integer</span>
<span class="comment">// or floating point vectors, we can't currently work around this yet. The</span>
<span class="comment">// performance impact for this shouldn't be large, but this is filled as:</span>
<span class="comment">// https://bugs.llvm.org/show_bug.cgi?id=37087</span>
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">all</span>(<span class="ident">any</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86"</span>, <span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86_64"</span>), <span class="ident">target_feature</span> <span class="op">=</span> <span class="string">"sse2"</span>))]</span>
<span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">x86_128_sse2_movemask_impl</span> {
(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span>:<span class="ident">ident</span>) <span class="op">=></span> {
<span class="kw">impl</span> <span class="ident">All</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span> {
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="attribute">#[<span class="ident">target_feature</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse2"</span>)]</span>
<span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">all</span>(<span class="self">self</span>) <span class="op">-></span> <span class="ident">bool</span> {
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86"</span>)]</span>
<span class="kw">use</span> ::<span class="ident">coresimd</span>::<span class="ident">arch</span>::<span class="ident">x86</span>::<span class="ident">_mm_movemask_epi8</span>;
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86_64"</span>)]</span>
<span class="kw">use</span> ::<span class="ident">coresimd</span>::<span class="ident">arch</span>::<span class="ident">x86_64</span>::<span class="ident">_mm_movemask_epi8</span>;
<span class="comment">// _mm_movemask_epi8(a) creates a 16bit mask containing the most</span>
<span class="comment">// significant bit of each byte of `a`. If all bits are set,</span>
<span class="comment">// then all 16 lanes of the mask are true.</span>
<span class="ident">_mm_movemask_epi8</span>(::<span class="ident">mem</span>::<span class="ident">transmute</span>(<span class="self">self</span>)) <span class="op">==</span> <span class="ident">u16</span>::<span class="ident">max_value</span>() <span class="kw">as</span> <span class="ident">i32</span>
}
}
<span class="kw">impl</span> <span class="ident">Any</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</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">"sse2"</span>)]</span>
<span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">any</span>(<span class="self">self</span>) <span class="op">-></span> <span class="ident">bool</span> {
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86"</span>)]</span>
<span class="kw">use</span> ::<span class="ident">coresimd</span>::<span class="ident">arch</span>::<span class="ident">x86</span>::<span class="ident">_mm_movemask_epi8</span>;
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86_64"</span>)]</span>
<span class="kw">use</span> ::<span class="ident">coresimd</span>::<span class="ident">arch</span>::<span class="ident">x86_64</span>::<span class="ident">_mm_movemask_epi8</span>;
<span class="ident">_mm_movemask_epi8</span>(::<span class="ident">mem</span>::<span class="ident">transmute</span>(<span class="self">self</span>)) <span class="op">!=</span> <span class="number">0</span>
}
}
}
}
<span class="comment">// On x86 with AVX we use _mm256_testc_si256 and _mm256_testz_si256.</span>
<span class="comment">//</span>
<span class="comment">// FIXME: for masks generated from floating point vectors one should use</span>
<span class="comment">// x86_mm256_testc_ps, x86_mm256_testz_ps, x86_mm256_testc_pd,</span>
<span class="comment">// x86_mm256_testz_pd.Since the masks don't track whether they were produced by</span>
<span class="comment">// integer or floating point vectors, we can't currently work around this yet.</span>
<span class="comment">//</span>
<span class="comment">// TODO: investigate perf impact and fill LLVM bugs as necessary.</span>
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">all</span>(<span class="ident">any</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86"</span>, <span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86_64"</span>), <span class="ident">target_feature</span> <span class="op">=</span> <span class="string">"avx"</span>))]</span>
<span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">x86_256_avx_test_impl</span> {
(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span>:<span class="ident">ident</span>) <span class="op">=></span> {
<span class="kw">impl</span> <span class="ident">All</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</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">"avx"</span>)]</span>
<span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">all</span>(<span class="self">self</span>) <span class="op">-></span> <span class="ident">bool</span> {
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86"</span>)]</span>
<span class="kw">use</span> ::<span class="ident">coresimd</span>::<span class="ident">arch</span>::<span class="ident">x86</span>::<span class="ident">_mm256_testc_si256</span>;
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86_64"</span>)]</span>
<span class="kw">use</span> ::<span class="ident">coresimd</span>::<span class="ident">arch</span>::<span class="ident">x86_64</span>::<span class="ident">_mm256_testc_si256</span>;
<span class="ident">_mm256_testc_si256</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="macro-nonterminal">$</span><span class="macro-nonterminal">id</span>::<span class="ident">splat</span>(<span class="bool-val">true</span>))) <span class="op">!=</span> <span class="number">0</span>
}
}
<span class="kw">impl</span> <span class="ident">Any</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</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">"avx"</span>)]</span>
<span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">any</span>(<span class="self">self</span>) <span class="op">-></span> <span class="ident">bool</span> {
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86"</span>)]</span>
<span class="kw">use</span> ::<span class="ident">coresimd</span>::<span class="ident">arch</span>::<span class="ident">x86</span>::<span class="ident">_mm256_testz_si256</span>;
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86_64"</span>)]</span>
<span class="kw">use</span> ::<span class="ident">coresimd</span>::<span class="ident">arch</span>::<span class="ident">x86_64</span>::<span class="ident">_mm256_testz_si256</span>;
<span class="ident">_mm256_testz_si256</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="self">self</span>)) <span class="op">==</span> <span class="number">0</span>
}
}
}
}
<span class="comment">// On x86 with SSE2 all/any for 256-bit wide vectors is implemented by executing</span>
<span class="comment">// the algorithm for 128-bit on the higher and lower elements of the vector</span>
<span class="comment">// independently.</span>
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">all</span>(<span class="ident">any</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86"</span>, <span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86_64"</span>), <span class="ident">target_feature</span> <span class="op">=</span> <span class="string">"sse2"</span>))]</span>
<span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">x86_256_sse2_impl</span> {
(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span>:<span class="ident">ident</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">v128</span>:<span class="ident">ident</span>) <span class="op">=></span> {
<span class="kw">impl</span> <span class="ident">All</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span> {
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="attribute">#[<span class="ident">target_feature</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse2"</span>)]</span>
<span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">all</span>(<span class="self">self</span>) <span class="op">-></span> <span class="ident">bool</span> {
<span class="kw">unsafe</span> {
<span class="ident">union</span> <span class="ident">U</span> {
<span class="ident">halves</span>: (<span class="macro-nonterminal">$</span><span class="macro-nonterminal">v128</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">v128</span>),
<span class="ident">vec</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span>
}
<span class="kw">let</span> <span class="ident">halves</span> <span class="op">=</span> <span class="ident">U</span> {<span class="ident">vec</span>: <span class="self">self</span>}.<span class="ident">halves</span>;
<span class="ident">halves</span>.<span class="number">0</span>.<span class="ident">all</span>() <span class="op">&&</span> <span class="ident">halves</span>.<span class="number">1</span>.<span class="ident">all</span>()
}
}
}
<span class="kw">impl</span> <span class="ident">Any</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span> {
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="attribute">#[<span class="ident">target_feature</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse2"</span>)]</span>
<span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">any</span>(<span class="self">self</span>) <span class="op">-></span> <span class="ident">bool</span> {
<span class="kw">unsafe</span> {
<span class="ident">union</span> <span class="ident">U</span> {
<span class="ident">halves</span>: (<span class="macro-nonterminal">$</span><span class="macro-nonterminal">v128</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">v128</span>),
<span class="ident">vec</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span>
}
<span class="kw">let</span> <span class="ident">halves</span> <span class="op">=</span> <span class="ident">U</span> {<span class="ident">vec</span>: <span class="self">self</span>}.<span class="ident">halves</span>;
<span class="ident">halves</span>.<span class="number">0</span>.<span class="ident">any</span>() <span class="op">||</span> <span class="ident">halves</span>.<span class="number">1</span>.<span class="ident">any</span>()
}
}
}
}
}
<span class="comment">// Implementation for 64-bit wide masks on x86.</span>
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">any</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86"</span>, <span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86_64"</span>))]</span>
<span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">x86_64_mmx_movemask_impl</span> {
(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span>:<span class="ident">ident</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">vec128</span>:<span class="ident">ident</span>) <span class="op">=></span> {
<span class="kw">impl</span> <span class="ident">All</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span> {
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="attribute">#[<span class="ident">target_feature</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"mmx"</span>)]</span>
<span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">all</span>(<span class="self">self</span>) <span class="op">-></span> <span class="ident">bool</span> {
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86"</span>)]</span>
<span class="kw">use</span> ::<span class="ident">coresimd</span>::<span class="ident">arch</span>::<span class="ident">x86</span>::<span class="ident">_mm_movemask_pi8</span>;
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86_64"</span>)]</span>
<span class="kw">use</span> ::<span class="ident">coresimd</span>::<span class="ident">arch</span>::<span class="ident">x86_64</span>::<span class="ident">_mm_movemask_pi8</span>;
<span class="comment">// _mm_movemask_pi8(a) creates an 8bit mask containing the most</span>
<span class="comment">// significant bit of each byte of `a`. If all bits are set,</span>
<span class="comment">// then all 8 lanes of the mask are true.</span>
<span class="ident">_mm_movemask_pi8</span>(::<span class="ident">mem</span>::<span class="ident">transmute</span>(<span class="self">self</span>)) <span class="op">==</span> <span class="ident">u8</span>::<span class="ident">max_value</span>() <span class="kw">as</span> <span class="ident">i32</span>
}
}
<span class="kw">impl</span> <span class="ident">Any</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</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">"mmx"</span>)]</span>
<span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">any</span>(<span class="self">self</span>) <span class="op">-></span> <span class="ident">bool</span> {
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86"</span>)]</span>
<span class="kw">use</span> ::<span class="ident">coresimd</span>::<span class="ident">arch</span>::<span class="ident">x86</span>::<span class="ident">_mm_movemask_pi8</span>;
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86_64"</span>)]</span>
<span class="kw">use</span> ::<span class="ident">coresimd</span>::<span class="ident">arch</span>::<span class="ident">x86_64</span>::<span class="ident">_mm_movemask_pi8</span>;
<span class="ident">_mm_movemask_pi8</span>(::<span class="ident">mem</span>::<span class="ident">transmute</span>(<span class="self">self</span>)) <span class="op">!=</span> <span class="number">0</span>
}
}
}
}
<span class="comment">// Implementation for 128-bit wide masks on x86</span>
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">any</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86"</span>, <span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86_64"</span>))]</span>
<span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">x86_128_impl</span> {
(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span>:<span class="ident">ident</span>) <span class="op">=></span> {
<span class="macro">cfg_if</span><span class="macro">!</span> {
<span class="kw">if</span> <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_feature</span> <span class="op">=</span> <span class="string">"sse2"</span>)]</span> {
<span class="macro">x86_128_sse2_movemask_impl</span><span class="macro">!</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span>);
} <span class="kw">else</span> {
<span class="macro">default_impl</span><span class="macro">!</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span>);
}
}
}
}
<span class="comment">// Implementation for 256-bit wide masks on x86</span>
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">any</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86"</span>, <span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86_64"</span>))]</span>
<span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">x86_256_impl</span> {
(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span>:<span class="ident">ident</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">half_id</span>:<span class="ident">ident</span>) <span class="op">=></span> {
<span class="macro">cfg_if</span><span class="macro">!</span> {
<span class="kw">if</span> <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_feature</span> <span class="op">=</span> <span class="string">"avx"</span>)]</span> {
<span class="macro">x86_256_avx_test_impl</span><span class="macro">!</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span>);
} <span class="kw">else</span> <span class="kw">if</span> <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_feature</span> <span class="op">=</span> <span class="string">"sse2"</span>)]</span> {
<span class="macro">x86_256_sse2_impl</span><span class="macro">!</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">half_id</span>);
} <span class="kw">else</span> {
<span class="macro">default_impl</span><span class="macro">!</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span>);
}
}
}
}
<span class="comment">// Implementation for ARM + v7 + NEON using vpmin and vpmax (folding</span>
<span class="comment">// minimum/maximum of adjacent pairs) for 64-bit wide two-element vectors.</span>
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">all</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"arm"</span>, <span class="ident">target_feature</span> <span class="op">=</span> <span class="string">"v7"</span>, <span class="ident">target_feature</span> <span class="op">=</span> <span class="string">"neon"</span>))]</span>
<span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">arm_64_x2_v7_neon_impl</span> {
(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span>:<span class="ident">ident</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">vpmin</span>:<span class="ident">ident</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">vpmax</span>:<span class="ident">ident</span>) <span class="op">=></span> {
<span class="kw">impl</span> <span class="ident">All</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span> {
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="attribute">#[<span class="ident">target_feature</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"v7,neon"</span>)]</span>
<span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">all</span>(<span class="self">self</span>) <span class="op">-></span> <span class="ident">bool</span> {
<span class="kw">use</span> ::<span class="ident">coresimd</span>::<span class="ident">arch</span>::<span class="ident">arm</span>::<span class="macro-nonterminal">$</span><span class="macro-nonterminal">vpmin</span>;
<span class="kw">use</span> ::<span class="ident">mem</span>::<span class="ident">transmute</span>;
<span class="comment">// pmin((a, b), (-,-)) => (b, -).0 => b</span>
<span class="kw">let</span> <span class="ident">tmp</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span> <span class="op">=</span> <span class="ident">transmute</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">vpmin</span>(<span class="ident">transmute</span>(<span class="self">self</span>), ::<span class="ident">mem</span>::<span class="ident">uninitialized</span>()));
<span class="ident">tmp</span>.<span class="ident">extract</span>(<span class="number">0</span>)
}
}
<span class="kw">impl</span> <span class="ident">Any</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span> {
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="attribute">#[<span class="ident">target_feature</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"v7,neon"</span>)]</span>
<span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">any</span>(<span class="self">self</span>) <span class="op">-></span> <span class="ident">bool</span> {
<span class="kw">use</span> ::<span class="ident">coresimd</span>::<span class="ident">arch</span>::<span class="ident">arm</span>::<span class="macro-nonterminal">$</span><span class="macro-nonterminal">vpmax</span>;
<span class="kw">use</span> ::<span class="ident">mem</span>::<span class="ident">transmute</span>;
<span class="comment">// pmax((a, b), (-,-)) => (b, -).0 => b</span>
<span class="kw">let</span> <span class="ident">tmp</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span> <span class="op">=</span> <span class="ident">transmute</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">vpmax</span>(<span class="ident">transmute</span>(<span class="self">self</span>), ::<span class="ident">mem</span>::<span class="ident">uninitialized</span>()));
<span class="ident">tmp</span>.<span class="ident">extract</span>(<span class="number">0</span>)
}
}
}
}
<span class="comment">// Implementation for ARM + v7 + NEON using vpmin and vpmax (folding</span>
<span class="comment">// minimum/maximum of adjacent pairs) for 64-bit wide four-element vectors.</span>
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">all</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"arm"</span>, <span class="ident">target_feature</span> <span class="op">=</span> <span class="string">"v7"</span>, <span class="ident">target_feature</span> <span class="op">=</span> <span class="string">"neon"</span>))]</span>
<span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">arm_64_x4_v7_neon_impl</span> {
(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span>:<span class="ident">ident</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">vpmin</span>:<span class="ident">ident</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">vpmax</span>:<span class="ident">ident</span>) <span class="op">=></span> {
<span class="kw">impl</span> <span class="ident">All</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</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">"v7,neon"</span>)]</span>
<span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">all</span>(<span class="self">self</span>) <span class="op">-></span> <span class="ident">bool</span> {
<span class="kw">use</span> ::<span class="ident">coresimd</span>::<span class="ident">arch</span>::<span class="ident">arm</span>::<span class="macro-nonterminal">$</span><span class="macro-nonterminal">vpmin</span>;
<span class="kw">use</span> ::<span class="ident">mem</span>::<span class="ident">transmute</span>;
<span class="comment">// tmp = pmin((a, b, c, d), (-,-,-,-)) => (a, c, -, -)</span>
<span class="kw">let</span> <span class="ident">tmp</span> <span class="op">=</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">vpmin</span>(<span class="ident">transmute</span>(<span class="self">self</span>), ::<span class="ident">mem</span>::<span class="ident">uninitialized</span>());
<span class="comment">// tmp = pmin((a, b, -, -), (-,-,-,-)) => (c, -, -, -).0 => c</span>
<span class="kw">let</span> <span class="ident">tmp</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span> <span class="op">=</span> <span class="ident">transmute</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">vpmin</span>(<span class="ident">tmp</span>, ::<span class="ident">mem</span>::<span class="ident">uninitialized</span>()));
<span class="ident">tmp</span>.<span class="ident">extract</span>(<span class="number">0</span>)
}
}
<span class="kw">impl</span> <span class="ident">Any</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span> {
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="attribute">#[<span class="ident">target_feature</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"v7,neon"</span>)]</span>
<span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">any</span>(<span class="self">self</span>) <span class="op">-></span> <span class="ident">bool</span> {
<span class="kw">use</span> ::<span class="ident">coresimd</span>::<span class="ident">arch</span>::<span class="ident">arm</span>::<span class="macro-nonterminal">$</span><span class="macro-nonterminal">vpmax</span>;
<span class="kw">use</span> ::<span class="ident">mem</span>::<span class="ident">transmute</span>;
<span class="comment">// tmp = pmax((a, b, c, d), (-,-,-,-)) => (a, c, -, -)</span>
<span class="kw">let</span> <span class="ident">tmp</span> <span class="op">=</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">vpmax</span>(<span class="ident">transmute</span>(<span class="self">self</span>), ::<span class="ident">mem</span>::<span class="ident">uninitialized</span>());
<span class="comment">// tmp = pmax((a, b, -, -), (-,-,-,-)) => (c, -, -, -).0 => c</span>
<span class="kw">let</span> <span class="ident">tmp</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span> <span class="op">=</span> <span class="ident">transmute</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">vpmax</span>(<span class="ident">tmp</span>, ::<span class="ident">mem</span>::<span class="ident">uninitialized</span>()));
<span class="ident">tmp</span>.<span class="ident">extract</span>(<span class="number">0</span>)
}
}
}
}
<span class="comment">// Implementation for ARM + v7 + NEON using vpmin and vpmax (folding</span>
<span class="comment">// minimum/maximum of adjacent pairs) for 64-bit wide eight-element vectors.</span>
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">all</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"arm"</span>, <span class="ident">target_feature</span> <span class="op">=</span> <span class="string">"v7"</span>, <span class="ident">target_feature</span> <span class="op">=</span> <span class="string">"neon"</span>))]</span>
<span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">arm_64_x8_v7_neon_impl</span> {
(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span>:<span class="ident">ident</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">vpmin</span>:<span class="ident">ident</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">vpmax</span>:<span class="ident">ident</span>) <span class="op">=></span> {
<span class="kw">impl</span> <span class="ident">All</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span> {
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="attribute">#[<span class="ident">target_feature</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"v7,neon"</span>)]</span>
<span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">all</span>(<span class="self">self</span>) <span class="op">-></span> <span class="ident">bool</span> {
<span class="kw">use</span> ::<span class="ident">coresimd</span>::<span class="ident">arch</span>::<span class="ident">arm</span>::<span class="macro-nonterminal">$</span><span class="macro-nonterminal">vpmin</span>;
<span class="kw">use</span> ::<span class="ident">mem</span>::<span class="ident">transmute</span>;
<span class="comment">// tmp = pmin(</span>
<span class="comment">// (a, b, c, d, e, f, g, h),</span>
<span class="comment">// (-, -, -, -, -, -, -, -)</span>
<span class="comment">// ) => (a, c, e, g, -, -, -, -)</span>
<span class="kw">let</span> <span class="ident">tmp</span> <span class="op">=</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">vpmin</span>(<span class="ident">transmute</span>(<span class="self">self</span>), ::<span class="ident">mem</span>::<span class="ident">uninitialized</span>());
<span class="comment">// tmp = pmin(</span>
<span class="comment">// (a, c, e, g, -, -, -, -),</span>
<span class="comment">// (-, -, -, -, -, -, -, -)</span>
<span class="comment">// ) => (c, g, -, -, -, -, -, -)</span>
<span class="kw">let</span> <span class="ident">tmp</span> <span class="op">=</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">vpmin</span>(<span class="ident">tmp</span>, ::<span class="ident">mem</span>::<span class="ident">uninitialized</span>());
<span class="comment">// tmp = pmin(</span>
<span class="comment">// (c, g, -, -, -, -, -, -),</span>
<span class="comment">// (-, -, -, -, -, -, -, -)</span>
<span class="comment">// ) => (g, -, -, -, -, -, -, -).0 => g</span>
<span class="kw">let</span> <span class="ident">tmp</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span> <span class="op">=</span> <span class="ident">transmute</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">vpmin</span>(<span class="ident">tmp</span>, ::<span class="ident">mem</span>::<span class="ident">uninitialized</span>()));
<span class="ident">tmp</span>.<span class="ident">extract</span>(<span class="number">0</span>)
}
}
<span class="kw">impl</span> <span class="ident">Any</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span> {
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="attribute">#[<span class="ident">target_feature</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"v7,neon"</span>)]</span>
<span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">any</span>(<span class="self">self</span>) <span class="op">-></span> <span class="ident">bool</span> {
<span class="kw">use</span> ::<span class="ident">coresimd</span>::<span class="ident">arch</span>::<span class="ident">arm</span>::<span class="macro-nonterminal">$</span><span class="macro-nonterminal">vpmax</span>;
<span class="kw">use</span> ::<span class="ident">mem</span>::<span class="ident">transmute</span>;
<span class="comment">// tmp = pmax(</span>
<span class="comment">// (a, b, c, d, e, f, g, h),</span>
<span class="comment">// (-, -, -, -, -, -, -, -)</span>
<span class="comment">// ) => (a, c, e, g, -, -, -, -)</span>
<span class="kw">let</span> <span class="ident">tmp</span> <span class="op">=</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">vpmax</span>(<span class="ident">transmute</span>(<span class="self">self</span>), ::<span class="ident">mem</span>::<span class="ident">uninitialized</span>());
<span class="comment">// tmp = pmax(</span>
<span class="comment">// (a, c, e, g, -, -, -, -),</span>
<span class="comment">// (-, -, -, -, -, -, -, -)</span>
<span class="comment">// ) => (c, g, -, -, -, -, -, -)</span>
<span class="kw">let</span> <span class="ident">tmp</span> <span class="op">=</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">vpmax</span>(<span class="ident">tmp</span>, ::<span class="ident">mem</span>::<span class="ident">uninitialized</span>());
<span class="comment">// tmp = pmax(</span>
<span class="comment">// (c, g, -, -, -, -, -, -),</span>
<span class="comment">// (-, -, -, -, -, -, -, -)</span>
<span class="comment">// ) => (g, -, -, -, -, -, -, -).0 => g</span>
<span class="kw">let</span> <span class="ident">tmp</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span> <span class="op">=</span> <span class="ident">transmute</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">vpmax</span>(<span class="ident">tmp</span>, ::<span class="ident">mem</span>::<span class="ident">uninitialized</span>()));
<span class="ident">tmp</span>.<span class="ident">extract</span>(<span class="number">0</span>)
}
}
}
}
<span class="comment">// Implementation for ARM + v7 + NEON using vpmin and vpmax (folding</span>
<span class="comment">// minimum/maximum of adjacent pairs) for 64-bit or 128-bit wide vectors with</span>
<span class="comment">// more than two elements.</span>
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">all</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"arm"</span>, <span class="ident">target_feature</span> <span class="op">=</span> <span class="string">"v7"</span>, <span class="ident">target_feature</span> <span class="op">=</span> <span class="string">"neon"</span>))]</span>
<span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">arm_128_v7_neon_impl</span> {
(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span>:<span class="ident">ident</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">half</span>:<span class="ident">ident</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">vpmin</span>:<span class="ident">ident</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">vpmax</span>:<span class="ident">ident</span>) <span class="op">=></span> {
<span class="kw">impl</span> <span class="ident">All</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span> {
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="attribute">#[<span class="ident">target_feature</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"v7,neon"</span>)]</span>
<span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">all</span>(<span class="self">self</span>) <span class="op">-></span> <span class="ident">bool</span> {
<span class="kw">use</span> ::<span class="ident">coresimd</span>::<span class="ident">arch</span>::<span class="ident">arm</span>::<span class="macro-nonterminal">$</span><span class="macro-nonterminal">vpmin</span>;
<span class="kw">use</span> ::<span class="ident">mem</span>::<span class="ident">transmute</span>;
<span class="ident">union</span> <span class="ident">U</span> {
<span class="ident">halves</span>: (<span class="macro-nonterminal">$</span><span class="macro-nonterminal">half</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">half</span>),
<span class="ident">vec</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span>
}
<span class="kw">let</span> <span class="ident">halves</span> <span class="op">=</span> <span class="ident">U</span> { <span class="ident">vec</span>: <span class="self">self</span> }.<span class="ident">halves</span>;
<span class="kw">let</span> <span class="ident">h</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">half</span> <span class="op">=</span> <span class="ident">transmute</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">vpmin</span>(<span class="ident">transmute</span>(<span class="ident">halves</span>.<span class="number">0</span>), <span class="ident">transmute</span>(<span class="ident">halves</span>.<span class="number">1</span>)));
<span class="ident">h</span>.<span class="ident">all</span>()
}
}
<span class="kw">impl</span> <span class="ident">Any</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</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">"v7,neon"</span>)]</span>
<span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">any</span>(<span class="self">self</span>) <span class="op">-></span> <span class="ident">bool</span> {
<span class="kw">use</span> ::<span class="ident">coresimd</span>::<span class="ident">arch</span>::<span class="ident">arm</span>::<span class="macro-nonterminal">$</span><span class="macro-nonterminal">vpmax</span>;
<span class="kw">use</span> ::<span class="ident">mem</span>::<span class="ident">transmute</span>;
<span class="ident">union</span> <span class="ident">U</span> {
<span class="ident">halves</span>: (<span class="macro-nonterminal">$</span><span class="macro-nonterminal">half</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">half</span>),
<span class="ident">vec</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span>
}
<span class="kw">let</span> <span class="ident">halves</span> <span class="op">=</span> <span class="ident">U</span> { <span class="ident">vec</span>: <span class="self">self</span> }.<span class="ident">halves</span>;
<span class="kw">let</span> <span class="ident">h</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">half</span> <span class="op">=</span> <span class="ident">transmute</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">vpmax</span>(<span class="ident">transmute</span>(<span class="ident">halves</span>.<span class="number">0</span>), <span class="ident">transmute</span>(<span class="ident">halves</span>.<span class="number">1</span>)));
<span class="ident">h</span>.<span class="ident">any</span>()
}
}
}
}
<span class="comment">// Implementation for AArch64 + NEON using vmin and vmax (horizontal vector</span>
<span class="comment">// min/max) for 128-bit wide vectors.</span>
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">all</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"aarch64"</span>, <span class="ident">target_feature</span> <span class="op">=</span> <span class="string">"neon"</span>))]</span>
<span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">aarch64_128_neon_impl</span> {
(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span>:<span class="ident">ident</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">vmin</span>:<span class="ident">ident</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">vmax</span>:<span class="ident">ident</span>) <span class="op">=></span> {
<span class="kw">impl</span> <span class="ident">All</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</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">"neon"</span>)]</span>
<span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">all</span>(<span class="self">self</span>) <span class="op">-></span> <span class="ident">bool</span> {
<span class="kw">use</span> ::<span class="ident">coresimd</span>::<span class="ident">arch</span>::<span class="ident">aarch64</span>::<span class="macro-nonterminal">$</span><span class="macro-nonterminal">vmin</span>;
<span class="macro-nonterminal">$</span><span class="macro-nonterminal">vmin</span>(::<span class="ident">mem</span>::<span class="ident">transmute</span>(<span class="self">self</span>)) <span class="op">!=</span> <span class="number">0</span>
}
}
<span class="kw">impl</span> <span class="ident">Any</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span> {
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="attribute">#[<span class="ident">target_feature</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"neon"</span>)]</span>
<span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">any</span>(<span class="self">self</span>) <span class="op">-></span> <span class="ident">bool</span> {
<span class="kw">use</span> ::<span class="ident">coresimd</span>::<span class="ident">arch</span>::<span class="ident">aarch64</span>::<span class="macro-nonterminal">$</span><span class="macro-nonterminal">vmax</span>;
<span class="macro-nonterminal">$</span><span class="macro-nonterminal">vmax</span>(::<span class="ident">mem</span>::<span class="ident">transmute</span>(<span class="self">self</span>)) <span class="op">!=</span> <span class="number">0</span>
}
}
}
}
<span class="comment">// Implementation for AArch64 + NEON using vmin and vmax (horizontal vector</span>
<span class="comment">// min/max) for 64-bit wide vectors.</span>
<span class="comment">//</span>
<span class="comment">// This impl duplicates the 64-bit vector into a 128-bit one and calls</span>
<span class="comment">// all/any on that.</span>
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">all</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"aarch64"</span>, <span class="ident">target_feature</span> <span class="op">=</span> <span class="string">"neon"</span>))]</span>
<span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">aarch64_64_neon_impl</span> {
(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span>:<span class="ident">ident</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">vec128</span>:<span class="ident">ident</span>) <span class="op">=></span> {
<span class="kw">impl</span> <span class="ident">All</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</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">"neon"</span>)]</span>
<span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">all</span>(<span class="self">self</span>) <span class="op">-></span> <span class="ident">bool</span> {
<span class="ident">union</span> <span class="ident">U</span> {
<span class="ident">halves</span>: (<span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span>),
<span class="ident">vec</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">vec128</span>
}
<span class="ident">U</span> { <span class="ident">halves</span>: (<span class="self">self</span>, <span class="self">self</span>) }.<span class="ident">vec</span>.<span class="ident">all</span>()
}
}
<span class="kw">impl</span> <span class="ident">Any</span> <span class="kw">for</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</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">"neon"</span>)]</span>
<span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">any</span>(<span class="self">self</span>) <span class="op">-></span> <span class="ident">bool</span> {
<span class="ident">union</span> <span class="ident">U</span> {
<span class="ident">halves</span>: (<span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span>),
<span class="ident">vec</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">vec128</span>
}
<span class="ident">U</span> { <span class="ident">halves</span>: (<span class="self">self</span>, <span class="self">self</span>) }.<span class="ident">vec</span>.<span class="ident">any</span>()
}
}
}
}
<span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">impl_mask_all_any</span> {
<span class="comment">// 64-bit wide masks</span>
(<span class="ident">m8x8</span>) <span class="op">=></span> {
<span class="macro">cfg_if</span><span class="macro">!</span> {
<span class="kw">if</span> <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86_64"</span>)]</span> {
<span class="macro">x86_64_mmx_movemask_impl</span><span class="macro">!</span>(<span class="ident">m8x8</span>, <span class="ident">m8x16</span>);
} <span class="kw">else</span> <span class="kw">if</span> <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">all</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"arm"</span>, <span class="ident">target_feature</span> <span class="op">=</span> <span class="string">"v7"</span>, <span class="ident">target_feature</span> <span class="op">=</span> <span class="string">"neon"</span>))]</span> {
<span class="macro">arm_64_x8_v7_neon_impl</span><span class="macro">!</span>(<span class="ident">m8x8</span>, <span class="ident">vpmin_u8</span>, <span class="ident">vpmax_u8</span>);
} <span class="kw">else</span> <span class="kw">if</span> <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">all</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"aarch64"</span>, <span class="ident">target_feature</span> <span class="op">=</span> <span class="string">"neon"</span>))]</span> {
<span class="macro">aarch64_64_neon_impl</span><span class="macro">!</span>(<span class="ident">m8x8</span>, <span class="ident">m8x16</span>);
} <span class="kw">else</span> {
<span class="macro">default_impl</span><span class="macro">!</span>(<span class="ident">m8x8</span>);
}
}
};
(<span class="ident">m16x4</span>) <span class="op">=></span> {
<span class="macro">cfg_if</span><span class="macro">!</span> {
<span class="kw">if</span> <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86_64"</span>)]</span> {
<span class="macro">x86_64_mmx_movemask_impl</span><span class="macro">!</span>(<span class="ident">m16x4</span>, <span class="ident">m16x8</span>);
} <span class="kw">else</span> <span class="kw">if</span> <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">all</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"arm"</span>, <span class="ident">target_feature</span> <span class="op">=</span> <span class="string">"v7"</span>, <span class="ident">target_feature</span> <span class="op">=</span> <span class="string">"neon"</span>))]</span> {
<span class="macro">arm_64_x4_v7_neon_impl</span><span class="macro">!</span>(<span class="ident">m16x4</span>, <span class="ident">vpmin_u16</span>, <span class="ident">vpmax_u16</span>);
} <span class="kw">else</span> <span class="kw">if</span> <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">all</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"aarch64"</span>, <span class="ident">target_feature</span> <span class="op">=</span> <span class="string">"neon"</span>))]</span> {
<span class="macro">aarch64_64_neon_impl</span><span class="macro">!</span>(<span class="ident">m16x4</span>, <span class="ident">m16x8</span>);
} <span class="kw">else</span> {
<span class="macro">default_impl</span><span class="macro">!</span>(<span class="ident">m16x4</span>);
}
}
};
(<span class="ident">m32x2</span>) <span class="op">=></span> {
<span class="macro">cfg_if</span><span class="macro">!</span> {
<span class="kw">if</span> <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">all</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86_64"</span>, <span class="ident">not</span>(<span class="ident">target_os</span> <span class="op">=</span> <span class="string">"macos"</span>)))]</span> {
<span class="comment">// FIXME: this fails on travis-ci osx build bots.</span>
<span class="macro">x86_64_mmx_movemask_impl</span><span class="macro">!</span>(<span class="ident">m32x2</span>, <span class="ident">m32x4</span>);
} <span class="kw">else</span> <span class="kw">if</span> <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">all</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"arm"</span>, <span class="ident">target_feature</span> <span class="op">=</span> <span class="string">"v7"</span>, <span class="ident">target_feature</span> <span class="op">=</span> <span class="string">"neon"</span>))]</span> {
<span class="macro">arm_64_x2_v7_neon_impl</span><span class="macro">!</span>(<span class="ident">m32x2</span>, <span class="ident">vpmin_u32</span>, <span class="ident">vpmax_u32</span>);
} <span class="kw">else</span> <span class="kw">if</span> <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">all</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"aarch64"</span>, <span class="ident">target_feature</span> <span class="op">=</span> <span class="string">"neon"</span>))]</span> {
<span class="macro">aarch64_64_neon_impl</span><span class="macro">!</span>(<span class="ident">m32x2</span>, <span class="ident">m32x4</span>);
} <span class="kw">else</span> {
<span class="macro">default_impl</span><span class="macro">!</span>(<span class="ident">m32x2</span>);
}
}
};
<span class="comment">// 128-bit wide masks</span>
(<span class="ident">m8x16</span>) <span class="op">=></span> {
<span class="macro">cfg_if</span><span class="macro">!</span> {
<span class="kw">if</span> <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">any</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86"</span>, <span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86_64"</span>))]</span> {
<span class="macro">x86_128_impl</span><span class="macro">!</span>(<span class="ident">m8x16</span>);
} <span class="kw">else</span> <span class="kw">if</span> <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">all</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"arm"</span>, <span class="ident">target_feature</span> <span class="op">=</span> <span class="string">"v7"</span>, <span class="ident">target_feature</span> <span class="op">=</span> <span class="string">"neon"</span>))]</span> {
<span class="macro">arm_128_v7_neon_impl</span><span class="macro">!</span>(<span class="ident">m8x16</span>, <span class="ident">m8x8</span>, <span class="ident">vpmin_u8</span>, <span class="ident">vpmax_u8</span>);
} <span class="kw">else</span> <span class="kw">if</span> <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">all</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"aarch64"</span>, <span class="ident">target_feature</span> <span class="op">=</span> <span class="string">"neon"</span>))]</span> {
<span class="macro">aarch64_128_neon_impl</span><span class="macro">!</span>(<span class="ident">m8x16</span>, <span class="ident">vminvq_u8</span>, <span class="ident">vmaxvq_u8</span>);
} <span class="kw">else</span> {
<span class="macro">default_impl</span><span class="macro">!</span>(<span class="ident">m8x16</span>);
}
}
};
(<span class="ident">m16x8</span>) <span class="op">=></span> {
<span class="macro">cfg_if</span><span class="macro">!</span> {
<span class="kw">if</span> <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">any</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86"</span>, <span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86_64"</span>))]</span> {
<span class="macro">x86_128_impl</span><span class="macro">!</span>(<span class="ident">m16x8</span>);
} <span class="kw">else</span> <span class="kw">if</span> <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">all</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"arm"</span>, <span class="ident">target_feature</span> <span class="op">=</span> <span class="string">"v7"</span>, <span class="ident">target_feature</span> <span class="op">=</span> <span class="string">"neon"</span>))]</span> {
<span class="macro">arm_128_v7_neon_impl</span><span class="macro">!</span>(<span class="ident">m16x8</span>, <span class="ident">m16x4</span>, <span class="ident">vpmin_u16</span>, <span class="ident">vpmax_u16</span>);
} <span class="kw">else</span> <span class="kw">if</span> <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">all</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"aarch64"</span>, <span class="ident">target_feature</span> <span class="op">=</span> <span class="string">"neon"</span>))]</span> {
<span class="macro">aarch64_128_neon_impl</span><span class="macro">!</span>(<span class="ident">m16x8</span>, <span class="ident">vminvq_u16</span>, <span class="ident">vmaxvq_u16</span>);
} <span class="kw">else</span> {
<span class="macro">default_impl</span><span class="macro">!</span>(<span class="ident">m16x8</span>);
}
}
};
(<span class="ident">m32x4</span>) <span class="op">=></span> {
<span class="macro">cfg_if</span><span class="macro">!</span> {
<span class="kw">if</span> <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">any</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86"</span>, <span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86_64"</span>))]</span> {
<span class="macro">x86_128_impl</span><span class="macro">!</span>(<span class="ident">m32x4</span>);
} <span class="kw">else</span> <span class="kw">if</span> <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">all</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"arm"</span>, <span class="ident">target_feature</span> <span class="op">=</span> <span class="string">"v7"</span>, <span class="ident">target_feature</span> <span class="op">=</span> <span class="string">"neon"</span>))]</span> {
<span class="macro">arm_128_v7_neon_impl</span><span class="macro">!</span>(<span class="ident">m32x4</span>, <span class="ident">m32x2</span>, <span class="ident">vpmin_u32</span>, <span class="ident">vpmax_u32</span>);
} <span class="kw">else</span> <span class="kw">if</span> <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">all</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"aarch64"</span>, <span class="ident">target_feature</span> <span class="op">=</span> <span class="string">"neon"</span>))]</span> {
<span class="macro">aarch64_128_neon_impl</span><span class="macro">!</span>(<span class="ident">m32x4</span>, <span class="ident">vminvq_u32</span>, <span class="ident">vmaxvq_u32</span>);
} <span class="kw">else</span> {
<span class="macro">default_impl</span><span class="macro">!</span>(<span class="ident">m32x4</span>);
}
}
};
(<span class="ident">m64x2</span>) <span class="op">=></span> {
<span class="macro">cfg_if</span><span class="macro">!</span> {
<span class="kw">if</span> <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">any</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86"</span>, <span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86_64"</span>))]</span> {
<span class="macro">x86_128_impl</span><span class="macro">!</span>(<span class="ident">m64x2</span>);
} <span class="kw">else</span> {
<span class="macro">default_impl</span><span class="macro">!</span>(<span class="ident">m64x2</span>);
}
}
};
<span class="comment">// 256-bit wide masks:</span>
(<span class="ident">m8x32</span>) <span class="op">=></span> {
<span class="macro">cfg_if</span><span class="macro">!</span> {
<span class="kw">if</span> <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">any</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86"</span>, <span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86_64"</span>))]</span> {
<span class="macro">x86_256_impl</span><span class="macro">!</span>(<span class="ident">m8x32</span>, <span class="ident">m8x16</span>);
} <span class="kw">else</span> {
<span class="macro">default_impl</span><span class="macro">!</span>(<span class="ident">m8x32</span>);
}
}
};
(<span class="ident">m16x16</span>) <span class="op">=></span> {
<span class="macro">cfg_if</span><span class="macro">!</span> {
<span class="kw">if</span> <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">any</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86"</span>, <span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86_64"</span>))]</span> {
<span class="macro">x86_256_impl</span><span class="macro">!</span>(<span class="ident">m16x16</span>, <span class="ident">m16x8</span>);
} <span class="kw">else</span> {
<span class="macro">default_impl</span><span class="macro">!</span>(<span class="ident">m16x16</span>);
}
}
};
(<span class="ident">m32x8</span>) <span class="op">=></span> {
<span class="macro">cfg_if</span><span class="macro">!</span> {
<span class="kw">if</span> <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">any</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86"</span>, <span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86_64"</span>))]</span> {
<span class="macro">x86_256_impl</span><span class="macro">!</span>(<span class="ident">m32x8</span>, <span class="ident">m32x4</span>);
} <span class="kw">else</span> {
<span class="macro">default_impl</span><span class="macro">!</span>(<span class="ident">m32x8</span>);
}
}
};
(<span class="ident">m64x4</span>) <span class="op">=></span> {
<span class="macro">cfg_if</span><span class="macro">!</span> {
<span class="kw">if</span> <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">any</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86"</span>, <span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"x86_64"</span>))]</span> {
<span class="macro">x86_256_impl</span><span class="macro">!</span>(<span class="ident">m64x4</span>, <span class="ident">m64x2</span>);
} <span class="kw">else</span> {
<span class="macro">default_impl</span><span class="macro">!</span>(<span class="ident">m64x4</span>);
}
}
};
<span class="comment">// Fallback to LLVM's default code-generation:</span>
(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span>:<span class="ident">ident</span>) <span class="op">=></span> { <span class="macro">default_impl</span><span class="macro">!</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">id</span>); };
}
<span class="macro">vector_impl</span><span class="macro">!</span>(
[<span class="ident">impl_mask_all_any</span>, <span class="ident">m1x8</span>],
[<span class="ident">impl_mask_all_any</span>, <span class="ident">m1x16</span>],
[<span class="ident">impl_mask_all_any</span>, <span class="ident">m1x32</span>],
[<span class="ident">impl_mask_all_any</span>, <span class="ident">m1x64</span>],
[<span class="ident">impl_mask_all_any</span>, <span class="ident">m8x2</span>],
[<span class="ident">impl_mask_all_any</span>, <span class="ident">m8x4</span>],
[<span class="ident">impl_mask_all_any</span>, <span class="ident">m8x8</span>],
[<span class="ident">impl_mask_all_any</span>, <span class="ident">m8x16</span>],
[<span class="ident">impl_mask_all_any</span>, <span class="ident">m8x32</span>],
[<span class="ident">impl_mask_all_any</span>, <span class="ident">m16x2</span>],
[<span class="ident">impl_mask_all_any</span>, <span class="ident">m16x4</span>],
[<span class="ident">impl_mask_all_any</span>, <span class="ident">m16x8</span>],
[<span class="ident">impl_mask_all_any</span>, <span class="ident">m16x16</span>],
[<span class="ident">impl_mask_all_any</span>, <span class="ident">m32x2</span>],
[<span class="ident">impl_mask_all_any</span>, <span class="ident">m32x4</span>],
[<span class="ident">impl_mask_all_any</span>, <span class="ident">m32x8</span>],
[<span class="ident">impl_mask_all_any</span>, <span class="ident">m64x2</span>],
[<span class="ident">impl_mask_all_any</span>, <span class="ident">m64x4</span>]
);
</pre>
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