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id="714">714</span> <span id="715">715</span> <span id="716">716</span> <span id="717">717</span> <span id="718">718</span> <span id="719">719</span> <span id="720">720</span> <span id="721">721</span> <span id="722">722</span> <span id="723">723</span> <span id="724">724</span> <span id="725">725</span> <span id="726">726</span> <span id="727">727</span> <span id="728">728</span> <span id="729">729</span> <span id="730">730</span> <span id="731">731</span> <span id="732">732</span> <span id="733">733</span> <span id="734">734</span> <span id="735">735</span> <span id="736">736</span> <span id="737">737</span> <span id="738">738</span> <span id="739">739</span> <span id="740">740</span> <span id="741">741</span> <span id="742">742</span> <span id="743">743</span> <span id="744">744</span> <span id="745">745</span> <span id="746">746</span> <span id="747">747</span> <span id="748">748</span> <span id="749">749</span> <span id="750">750</span> <span id="751">751</span> <span id="752">752</span> <span id="753">753</span> <span id="754">754</span> <span id="755">755</span> <span id="756">756</span> <span id="757">757</span> <span id="758">758</span> <span id="759">759</span> <span id="760">760</span> <span id="761">761</span> <span id="762">762</span> <span id="763">763</span> <span id="764">764</span> <span id="765">765</span> <span id="766">766</span> <span id="767">767</span> <span id="768">768</span> <span id="769">769</span> <span id="770">770</span> <span id="771">771</span> <span id="772">772</span> <span id="773">773</span> <span id="774">774</span> <span id="775">775</span> <span id="776">776</span> <span id="777">777</span> <span id="778">778</span> <span id="779">779</span> <span id="780">780</span> <span id="781">781</span> <span id="782">782</span> <span id="783">783</span> <span id="784">784</span> <span id="785">785</span> <span id="786">786</span> <span id="787">787</span> <span id="788">788</span> <span id="789">789</span> <span id="790">790</span> <span id="791">791</span> <span id="792">792</span> <span id="793">793</span> <span id="794">794</span> <span id="795">795</span> <span id="796">796</span> <span id="797">797</span> <span id="798">798</span> <span id="799">799</span> <span id="800">800</span> <span id="801">801</span> <span id="802">802</span> <span id="803">803</span> <span id="804">804</span> <span id="805">805</span> <span id="806">806</span> <span id="807">807</span> <span id="808">808</span> <span id="809">809</span> <span id="810">810</span> <span id="811">811</span> <span id="812">812</span> <span id="813">813</span> <span id="814">814</span> <span id="815">815</span> <span id="816">816</span> <span id="817">817</span> <span id="818">818</span> <span id="819">819</span> <span id="820">820</span> <span id="821">821</span> <span id="822">822</span> <span id="823">823</span> <span id="824">824</span> <span id="825">825</span> <span id="826">826</span> <span id="827">827</span> <span id="828">828</span> <span id="829">829</span> <span id="830">830</span> <span id="831">831</span> <span id="832">832</span> <span id="833">833</span> <span id="834">834</span> <span id="835">835</span> <span id="836">836</span> <span id="837">837</span> <span id="838">838</span> <span id="839">839</span> <span id="840">840</span> <span id="841">841</span> <span id="842">842</span> <span id="843">843</span> <span id="844">844</span> <span id="845">845</span> <span id="846">846</span> <span id="847">847</span> <span id="848">848</span> <span id="849">849</span> <span id="850">850</span> <span id="851">851</span> <span id="852">852</span> <span id="853">853</span> <span id="854">854</span> <span id="855">855</span> <span id="856">856</span> <span id="857">857</span> <span id="858">858</span> <span id="859">859</span> <span id="860">860</span> <span id="861">861</span> <span id="862">862</span> <span id="863">863</span> <span id="864">864</span> <span id="865">865</span> <span id="866">866</span> <span id="867">867</span> <span id="868">868</span> <span id="869">869</span> <span id="870">870</span> <span id="871">871</span> <span id="872">872</span> <span id="873">873</span> <span id="874">874</span> <span id="875">875</span> <span id="876">876</span> <span id="877">877</span> <span id="878">878</span> <span id="879">879</span> <span id="880">880</span> <span id="881">881</span> <span id="882">882</span> <span id="883">883</span> <span id="884">884</span> <span id="885">885</span> <span id="886">886</span> <span id="887">887</span> <span id="888">888</span> <span id="889">889</span> <span id="890">890</span> <span id="891">891</span> <span id="892">892</span> <span id="893">893</span> <span id="894">894</span> <span id="895">895</span> <span id="896">896</span> <span id="897">897</span> <span id="898">898</span> <span id="899">899</span> <span id="900">900</span> </pre><div class="example-wrap"><pre class="rust "> <span class="doccomment">//! Streaming SIMD Extensions 4.2 (SSE4.2)</span> <span class="doccomment">//!</span> <span class="doccomment">//! Extends SSE4.1 with STTNI (String and Text New Instructions).</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">core_arch</span>::{<span class="ident">simd</span>::<span class="kw-2">*</span>, <span class="ident">simd_llvm</span>::<span class="kw-2">*</span>, <span class="ident">x86</span>::<span class="kw-2">*</span>}, <span class="ident">mem</span>::<span class="ident">transmute</span>, }; <span class="doccomment">/// String contains unsigned 8-bit characters *(Default)*</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">_SIDD_UBYTE_OPS</span>: <span class="ident">i32</span> <span class="op">=</span> <span class="number">0b0000_0000</span>; <span class="doccomment">/// String contains unsigned 16-bit characters</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">_SIDD_UWORD_OPS</span>: <span class="ident">i32</span> <span class="op">=</span> <span class="number">0b0000_0001</span>; <span class="doccomment">/// String contains signed 8-bit characters</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">_SIDD_SBYTE_OPS</span>: <span class="ident">i32</span> <span class="op">=</span> <span class="number">0b0000_0010</span>; <span class="doccomment">/// String contains unsigned 16-bit characters</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">_SIDD_SWORD_OPS</span>: <span class="ident">i32</span> <span class="op">=</span> <span class="number">0b0000_0011</span>; <span class="doccomment">/// For each character in `a`, find if it is in `b` *(Default)*</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">_SIDD_CMP_EQUAL_ANY</span>: <span class="ident">i32</span> <span class="op">=</span> <span class="number">0b0000_0000</span>; <span class="doccomment">/// For each character in `a`, determine if</span> <span class="doccomment">/// `b[0] <= c <= b[1] or b[1] <= c <= b[2]...`</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">_SIDD_CMP_RANGES</span>: <span class="ident">i32</span> <span class="op">=</span> <span class="number">0b0000_0100</span>; <span class="doccomment">/// The strings defined by `a` and `b` are equal</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">_SIDD_CMP_EQUAL_EACH</span>: <span class="ident">i32</span> <span class="op">=</span> <span class="number">0b0000_1000</span>; <span class="doccomment">/// Search for the defined substring in the target</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">_SIDD_CMP_EQUAL_ORDERED</span>: <span class="ident">i32</span> <span class="op">=</span> <span class="number">0b0000_1100</span>; <span class="doccomment">/// Do not negate results *(Default)*</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">_SIDD_POSITIVE_POLARITY</span>: <span class="ident">i32</span> <span class="op">=</span> <span class="number">0b0000_0000</span>; <span class="doccomment">/// Negates results</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">_SIDD_NEGATIVE_POLARITY</span>: <span class="ident">i32</span> <span class="op">=</span> <span class="number">0b0001_0000</span>; <span class="doccomment">/// Do not negate results before the end of the string</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">_SIDD_MASKED_POSITIVE_POLARITY</span>: <span class="ident">i32</span> <span class="op">=</span> <span class="number">0b0010_0000</span>; <span class="doccomment">/// Negates results only before the end of the string</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">_SIDD_MASKED_NEGATIVE_POLARITY</span>: <span class="ident">i32</span> <span class="op">=</span> <span class="number">0b0011_0000</span>; <span class="doccomment">/// **Index only**: return the least significant bit *(Default)*</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">_SIDD_LEAST_SIGNIFICANT</span>: <span class="ident">i32</span> <span class="op">=</span> <span class="number">0b0000_0000</span>; <span class="doccomment">/// **Index only**: return the most significant bit</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">_SIDD_MOST_SIGNIFICANT</span>: <span class="ident">i32</span> <span class="op">=</span> <span class="number">0b0100_0000</span>; <span class="doccomment">/// **Mask only**: return the bit mask</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">_SIDD_BIT_MASK</span>: <span class="ident">i32</span> <span class="op">=</span> <span class="number">0b0000_0000</span>; <span class="doccomment">/// **Mask only**: return the byte mask</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">const</span> <span class="ident">_SIDD_UNIT_MASK</span>: <span class="ident">i32</span> <span class="op">=</span> <span class="number">0b0100_0000</span>; <span class="doccomment">/// Compares packed strings with implicit lengths in `a` and `b` using the</span> <span class="doccomment">/// control in `imm8`, and return the generated mask.</span> <span class="doccomment">///</span> <span class="doccomment">/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_cmpistrm)</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">"sse4.2"</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">pcmpistrm</span>, <span class="ident">imm8</span> <span class="op">=</span> <span class="number">0</span>))]</span> <span class="attribute">#[<span class="ident">rustc_args_required_const</span>(<span class="number">2</span>)]</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_mm_cmpistrm</span>(<span class="ident">a</span>: <span class="ident">__m128i</span>, <span class="ident">b</span>: <span class="ident">__m128i</span>, <span class="ident">imm8</span>: <span class="ident">i32</span>) <span class="op">-></span> <span class="ident">__m128i</span> { <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">a</span>.<span class="ident">as_i8x16</span>(); <span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">b</span>.<span class="ident">as_i8x16</span>(); <span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">call</span> { (<span class="macro-nonterminal">$</span><span class="macro-nonterminal">imm8</span>:<span class="ident">expr</span>) <span class="op">=></span> { <span class="ident">pcmpistrm128</span>(<span class="ident">a</span>, <span class="ident">b</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">imm8</span>) }; } <span class="ident">transmute</span>(<span class="macro">constify_imm8</span><span class="macro">!</span>(<span class="ident">imm8</span>, <span class="ident">call</span>)) } <span class="doccomment">/// Compares packed strings with implicit lengths in `a` and `b` using the</span> <span class="doccomment">/// control in `imm8` and return the generated index. Similar to</span> <span class="doccomment">/// [`_mm_cmpestri`] with the exception that [`_mm_cmpestri`] requires the</span> <span class="doccomment">/// lengths of `a` and `b` to be explicitly specified.</span> <span class="doccomment">///</span> <span class="doccomment">/// # Control modes</span> <span class="doccomment">///</span> <span class="doccomment">/// The control specified by `imm8` may be one or more of the following.</span> <span class="doccomment">///</span> <span class="doccomment">/// ## Data size and signedness</span> <span class="doccomment">///</span> <span class="doccomment">/// - [`_SIDD_UBYTE_OPS`] - Default</span> <span class="doccomment">/// - [`_SIDD_UWORD_OPS`]</span> <span class="doccomment">/// - [`_SIDD_SBYTE_OPS`]</span> <span class="doccomment">/// - [`_SIDD_SWORD_OPS`]</span> <span class="doccomment">///</span> <span class="doccomment">/// ## Comparison options</span> <span class="doccomment">/// - [`_SIDD_CMP_EQUAL_ANY`] - Default</span> <span class="doccomment">/// - [`_SIDD_CMP_RANGES`]</span> <span class="doccomment">/// - [`_SIDD_CMP_EQUAL_EACH`]</span> <span class="doccomment">/// - [`_SIDD_CMP_EQUAL_ORDERED`]</span> <span class="doccomment">///</span> <span class="doccomment">/// ## Result polarity</span> <span class="doccomment">/// - [`_SIDD_POSITIVE_POLARITY`] - Default</span> <span class="doccomment">/// - [`_SIDD_NEGATIVE_POLARITY`]</span> <span class="doccomment">///</span> <span class="doccomment">/// ## Bit returned</span> <span class="doccomment">/// - [`_SIDD_LEAST_SIGNIFICANT`] - Default</span> <span class="doccomment">/// - [`_SIDD_MOST_SIGNIFICANT`]</span> <span class="doccomment">///</span> <span class="doccomment">/// # Examples</span> <span class="doccomment">///</span> <span class="doccomment">/// Finds a substring using [`_SIDD_CMP_EQUAL_ORDERED`]</span> <span class="doccomment">///</span> <span class="doccomment">/// ```</span> <span class="doccomment">/// #[cfg(target_arch = "x86")]</span> <span class="doccomment">/// use std::arch::x86::*;</span> <span class="doccomment">/// #[cfg(target_arch = "x86_64")]</span> <span class="doccomment">/// use std::arch::x86_64::*;</span> <span class="doccomment">///</span> <span class="doccomment">/// # fn main() {</span> <span class="doccomment">/// # if is_x86_feature_detected!("sse4.2") {</span> <span class="doccomment">/// # #[target_feature(enable = "sse4.2")]</span> <span class="doccomment">/// # unsafe fn worker() {</span> <span class="doccomment">/// let haystack = b"This is a long string of text data\r\n\tthat extends</span> <span class="doccomment">/// multiple lines";</span> <span class="doccomment">/// let needle = b"\r\n\t\0\0\0\0\0\0\0\0\0\0\0\0\0";</span> <span class="doccomment">///</span> <span class="doccomment">/// let a = _mm_loadu_si128(needle.as_ptr() as *const _);</span> <span class="doccomment">/// let hop = 16;</span> <span class="doccomment">/// let mut indexes = Vec::new();</span> <span class="doccomment">///</span> <span class="doccomment">/// // Chunk the haystack into 16 byte chunks and find</span> <span class="doccomment">/// // the first "\r\n\t" in the chunk.</span> <span class="doccomment">/// for (i, chunk) in haystack.chunks(hop).enumerate() {</span> <span class="doccomment">/// let b = _mm_loadu_si128(chunk.as_ptr() as *const _);</span> <span class="doccomment">/// let idx = _mm_cmpistri(a, b, _SIDD_CMP_EQUAL_ORDERED);</span> <span class="doccomment">/// if idx != 16 {</span> <span class="doccomment">/// indexes.push((idx as usize) + (i * hop));</span> <span class="doccomment">/// }</span> <span class="doccomment">/// }</span> <span class="doccomment">/// assert_eq!(indexes, vec![34]);</span> <span class="doccomment">/// # }</span> <span class="doccomment">/// # unsafe { worker(); }</span> <span class="doccomment">/// # }</span> <span class="doccomment">/// # }</span> <span class="doccomment">/// ```</span> <span class="doccomment">///</span> <span class="doccomment">/// The `_mm_cmpistri` intrinsic may also be used to find the existance of</span> <span class="doccomment">/// one or more of a given set of characters in the haystack.</span> <span class="doccomment">///</span> <span class="doccomment">/// ```</span> <span class="doccomment">/// #[cfg(target_arch = "x86")]</span> <span class="doccomment">/// use std::arch::x86::*;</span> <span class="doccomment">/// #[cfg(target_arch = "x86_64")]</span> <span class="doccomment">/// use std::arch::x86_64::*;</span> <span class="doccomment">///</span> <span class="doccomment">/// # fn main() {</span> <span class="doccomment">/// # if is_x86_feature_detected!("sse4.2") {</span> <span class="doccomment">/// # #[target_feature(enable = "sse4.2")]</span> <span class="doccomment">/// # unsafe fn worker() {</span> <span class="doccomment">/// // Ensure your input is 16 byte aligned</span> <span class="doccomment">/// let password = b"hunter2\0\0\0\0\0\0\0\0\0";</span> <span class="doccomment">/// let special_chars = b"!@#$%^&*()[]:;<>";</span> <span class="doccomment">///</span> <span class="doccomment">/// // Load the input</span> <span class="doccomment">/// let a = _mm_loadu_si128(special_chars.as_ptr() as *const _);</span> <span class="doccomment">/// let b = _mm_loadu_si128(password.as_ptr() as *const _);</span> <span class="doccomment">///</span> <span class="doccomment">/// // Use _SIDD_CMP_EQUAL_ANY to find the index of any bytes in b</span> <span class="doccomment">/// let idx = _mm_cmpistri(a.into(), b.into(), _SIDD_CMP_EQUAL_ANY);</span> <span class="doccomment">///</span> <span class="doccomment">/// if idx < 16 {</span> <span class="doccomment">/// println!("Congrats! Your password contains a special character");</span> <span class="doccomment">/// # panic!("{:?} does not contain a special character", password);</span> <span class="doccomment">/// } else {</span> <span class="doccomment">/// println!("Your password should contain a special character");</span> <span class="doccomment">/// }</span> <span class="doccomment">/// # }</span> <span class="doccomment">/// # unsafe { worker(); }</span> <span class="doccomment">/// # }</span> <span class="doccomment">/// # }</span> <span class="doccomment">/// ```</span> <span class="doccomment">///</span> <span class="doccomment">/// Finds the index of the first character in the haystack that is within a</span> <span class="doccomment">/// range of characters.</span> <span class="doccomment">///</span> <span class="doccomment">/// ```</span> <span class="doccomment">/// #[cfg(target_arch = "x86")]</span> <span class="doccomment">/// use std::arch::x86::*;</span> <span class="doccomment">/// #[cfg(target_arch = "x86_64")]</span> <span class="doccomment">/// use std::arch::x86_64::*;</span> <span class="doccomment">///</span> <span class="doccomment">/// # fn main() {</span> <span class="doccomment">/// # if is_x86_feature_detected!("sse4.2") {</span> <span class="doccomment">/// # #[target_feature(enable = "sse4.2")]</span> <span class="doccomment">/// # unsafe fn worker() {</span> <span class="doccomment">/// # let b = b":;<=>?@[\\]^_`abc";</span> <span class="doccomment">/// # let b = _mm_loadu_si128(b.as_ptr() as *const _);</span> <span class="doccomment">///</span> <span class="doccomment">/// // Specify the ranges of values to be searched for [A-Za-z0-9].</span> <span class="doccomment">/// let a = b"AZaz09\0\0\0\0\0\0\0\0\0\0";</span> <span class="doccomment">/// let a = _mm_loadu_si128(a.as_ptr() as *const _);</span> <span class="doccomment">///</span> <span class="doccomment">/// // Use _SIDD_CMP_RANGES to find the index of first byte in ranges.</span> <span class="doccomment">/// // Which in this case will be the first alpha numeric byte found</span> <span class="doccomment">/// // in the string.</span> <span class="doccomment">/// let idx = _mm_cmpistri(a, b, _SIDD_CMP_RANGES);</span> <span class="doccomment">///</span> <span class="doccomment">/// if idx < 16 {</span> <span class="doccomment">/// println!("Found an alpha numeric character");</span> <span class="doccomment">/// # assert_eq!(idx, 13);</span> <span class="doccomment">/// } else {</span> <span class="doccomment">/// println!("Did not find an alpha numeric character");</span> <span class="doccomment">/// }</span> <span class="doccomment">/// # }</span> <span class="doccomment">/// # unsafe { worker(); }</span> <span class="doccomment">/// # }</span> <span class="doccomment">/// # }</span> <span class="doccomment">/// ```</span> <span class="doccomment">///</span> <span class="doccomment">/// Working with 16-bit characters.</span> <span class="doccomment">///</span> <span class="doccomment">/// ```</span> <span class="doccomment">/// #[cfg(target_arch = "x86")]</span> <span class="doccomment">/// use std::arch::x86::*;</span> <span class="doccomment">/// #[cfg(target_arch = "x86_64")]</span> <span class="doccomment">/// use std::arch::x86_64::*;</span> <span class="doccomment">///</span> <span class="doccomment">/// # fn main() {</span> <span class="doccomment">/// # if is_x86_feature_detected!("sse4.2") {</span> <span class="doccomment">/// # #[target_feature(enable = "sse4.2")]</span> <span class="doccomment">/// # unsafe fn worker() {</span> <span class="doccomment">/// # let mut some_utf16_words = [0u16; 8];</span> <span class="doccomment">/// # let mut more_utf16_words = [0u16; 8];</span> <span class="doccomment">/// # '❤'.encode_utf16(&mut some_utf16_words);</span> <span class="doccomment">/// # '𝕊'.encode_utf16(&mut more_utf16_words);</span> <span class="doccomment">/// // Load the input</span> <span class="doccomment">/// let a = _mm_loadu_si128(some_utf16_words.as_ptr() as *const _);</span> <span class="doccomment">/// let b = _mm_loadu_si128(more_utf16_words.as_ptr() as *const _);</span> <span class="doccomment">///</span> <span class="doccomment">/// // Specify _SIDD_UWORD_OPS to compare words instead of bytes, and</span> <span class="doccomment">/// // use _SIDD_CMP_EQUAL_EACH to compare the two strings.</span> <span class="doccomment">/// let idx = _mm_cmpistri(a, b, _SIDD_UWORD_OPS | _SIDD_CMP_EQUAL_EACH);</span> <span class="doccomment">///</span> <span class="doccomment">/// if idx == 0 {</span> <span class="doccomment">/// println!("16-bit unicode strings were equal!");</span> <span class="doccomment">/// # panic!("Strings should not be equal!")</span> <span class="doccomment">/// } else {</span> <span class="doccomment">/// println!("16-bit unicode strings were not equal!");</span> <span class="doccomment">/// }</span> <span class="doccomment">/// # }</span> <span class="doccomment">/// # unsafe { worker(); }</span> <span class="doccomment">/// # }</span> <span class="doccomment">/// # }</span> <span class="doccomment">/// ```</span> <span class="doccomment">///</span> <span class="doccomment">/// [`_SIDD_UBYTE_OPS`]: constant._SIDD_UBYTE_OPS.html</span> <span class="doccomment">/// [`_SIDD_UWORD_OPS`]: constant._SIDD_UWORD_OPS.html</span> <span class="doccomment">/// [`_SIDD_SBYTE_OPS`]: constant._SIDD_SBYTE_OPS.html</span> <span class="doccomment">/// [`_SIDD_SWORD_OPS`]: constant._SIDD_SWORD_OPS.html</span> <span class="doccomment">/// [`_SIDD_CMP_EQUAL_ANY`]: constant._SIDD_CMP_EQUAL_ANY.html</span> <span class="doccomment">/// [`_SIDD_CMP_RANGES`]: constant._SIDD_CMP_RANGES.html</span> <span class="doccomment">/// [`_SIDD_CMP_EQUAL_EACH`]: constant._SIDD_CMP_EQUAL_EACH.html</span> <span class="doccomment">/// [`_SIDD_CMP_EQUAL_ORDERED`]: constant._SIDD_CMP_EQUAL_ORDERED.html</span> <span class="doccomment">/// [`_SIDD_POSITIVE_POLARITY`]: constant._SIDD_POSITIVE_POLARITY.html</span> <span class="doccomment">/// [`_SIDD_NEGATIVE_POLARITY`]: constant._SIDD_NEGATIVE_POLARITY.html</span> <span class="doccomment">/// [`_SIDD_LEAST_SIGNIFICANT`]: constant._SIDD_LEAST_SIGNIFICANT.html</span> <span class="doccomment">/// [`_SIDD_MOST_SIGNIFICANT`]: constant._SIDD_MOST_SIGNIFICANT.html</span> <span class="doccomment">/// [`_mm_cmpestri`]: fn._mm_cmpestri.html</span> <span class="doccomment">///</span> <span class="doccomment">/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_cmpistri)</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">"sse4.2"</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">pcmpistri</span>, <span class="ident">imm8</span> <span class="op">=</span> <span class="number">0</span>))]</span> <span class="attribute">#[<span class="ident">rustc_args_required_const</span>(<span class="number">2</span>)]</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_mm_cmpistri</span>(<span class="ident">a</span>: <span class="ident">__m128i</span>, <span class="ident">b</span>: <span class="ident">__m128i</span>, <span class="ident">imm8</span>: <span class="ident">i32</span>) <span class="op">-></span> <span class="ident">i32</span> { <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">a</span>.<span class="ident">as_i8x16</span>(); <span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">b</span>.<span class="ident">as_i8x16</span>(); <span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">call</span> { (<span class="macro-nonterminal">$</span><span class="macro-nonterminal">imm8</span>:<span class="ident">expr</span>) <span class="op">=></span> { <span class="ident">pcmpistri128</span>(<span class="ident">a</span>, <span class="ident">b</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">imm8</span>) }; } <span class="macro">constify_imm8</span><span class="macro">!</span>(<span class="ident">imm8</span>, <span class="ident">call</span>) } <span class="doccomment">/// Compares packed strings with implicit lengths in `a` and `b` using the</span> <span class="doccomment">/// control in `imm8`, and return `1` if any character in `b` was null.</span> <span class="doccomment">/// and `0` otherwise.</span> <span class="doccomment">///</span> <span class="doccomment">/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_cmpistrz)</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">"sse4.2"</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">pcmpistri</span>, <span class="ident">imm8</span> <span class="op">=</span> <span class="number">0</span>))]</span> <span class="attribute">#[<span class="ident">rustc_args_required_const</span>(<span class="number">2</span>)]</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_mm_cmpistrz</span>(<span class="ident">a</span>: <span class="ident">__m128i</span>, <span class="ident">b</span>: <span class="ident">__m128i</span>, <span class="ident">imm8</span>: <span class="ident">i32</span>) <span class="op">-></span> <span class="ident">i32</span> { <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">a</span>.<span class="ident">as_i8x16</span>(); <span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">b</span>.<span class="ident">as_i8x16</span>(); <span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">call</span> { (<span class="macro-nonterminal">$</span><span class="macro-nonterminal">imm8</span>:<span class="ident">expr</span>) <span class="op">=></span> { <span class="ident">pcmpistriz128</span>(<span class="ident">a</span>, <span class="ident">b</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">imm8</span>) }; } <span class="macro">constify_imm8</span><span class="macro">!</span>(<span class="ident">imm8</span>, <span class="ident">call</span>) } <span class="doccomment">/// Compares packed strings with implicit lengths in `a` and `b` using the</span> <span class="doccomment">/// control in `imm8`, and return `1` if the resulting mask was non-zero,</span> <span class="doccomment">/// and `0` otherwise.</span> <span class="doccomment">///</span> <span class="doccomment">/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_cmpistrc)</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">"sse4.2"</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">pcmpistri</span>, <span class="ident">imm8</span> <span class="op">=</span> <span class="number">0</span>))]</span> <span class="attribute">#[<span class="ident">rustc_args_required_const</span>(<span class="number">2</span>)]</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_mm_cmpistrc</span>(<span class="ident">a</span>: <span class="ident">__m128i</span>, <span class="ident">b</span>: <span class="ident">__m128i</span>, <span class="ident">imm8</span>: <span class="ident">i32</span>) <span class="op">-></span> <span class="ident">i32</span> { <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">a</span>.<span class="ident">as_i8x16</span>(); <span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">b</span>.<span class="ident">as_i8x16</span>(); <span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">call</span> { (<span class="macro-nonterminal">$</span><span class="macro-nonterminal">imm8</span>:<span class="ident">expr</span>) <span class="op">=></span> { <span class="ident">pcmpistric128</span>(<span class="ident">a</span>, <span class="ident">b</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">imm8</span>) }; } <span class="macro">constify_imm8</span><span class="macro">!</span>(<span class="ident">imm8</span>, <span class="ident">call</span>) } <span class="doccomment">/// Compares packed strings with implicit lengths in `a` and `b` using the</span> <span class="doccomment">/// control in `imm8`, and returns `1` if any character in `a` was null,</span> <span class="doccomment">/// and `0` otherwise.</span> <span class="doccomment">///</span> <span class="doccomment">/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_cmpistrs)</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">"sse4.2"</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">pcmpistri</span>, <span class="ident">imm8</span> <span class="op">=</span> <span class="number">0</span>))]</span> <span class="attribute">#[<span class="ident">rustc_args_required_const</span>(<span class="number">2</span>)]</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_mm_cmpistrs</span>(<span class="ident">a</span>: <span class="ident">__m128i</span>, <span class="ident">b</span>: <span class="ident">__m128i</span>, <span class="ident">imm8</span>: <span class="ident">i32</span>) <span class="op">-></span> <span class="ident">i32</span> { <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">a</span>.<span class="ident">as_i8x16</span>(); <span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">b</span>.<span class="ident">as_i8x16</span>(); <span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">call</span> { (<span class="macro-nonterminal">$</span><span class="macro-nonterminal">imm8</span>:<span class="ident">expr</span>) <span class="op">=></span> { <span class="ident">pcmpistris128</span>(<span class="ident">a</span>, <span class="ident">b</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">imm8</span>) }; } <span class="macro">constify_imm8</span><span class="macro">!</span>(<span class="ident">imm8</span>, <span class="ident">call</span>) } <span class="doccomment">/// Compares packed strings with implicit lengths in `a` and `b` using the</span> <span class="doccomment">/// control in `imm8`, and return bit `0` of the resulting bit mask.</span> <span class="doccomment">///</span> <span class="doccomment">/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_cmpistro)</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">"sse4.2"</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">pcmpistri</span>, <span class="ident">imm8</span> <span class="op">=</span> <span class="number">0</span>))]</span> <span class="attribute">#[<span class="ident">rustc_args_required_const</span>(<span class="number">2</span>)]</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_mm_cmpistro</span>(<span class="ident">a</span>: <span class="ident">__m128i</span>, <span class="ident">b</span>: <span class="ident">__m128i</span>, <span class="ident">imm8</span>: <span class="ident">i32</span>) <span class="op">-></span> <span class="ident">i32</span> { <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">a</span>.<span class="ident">as_i8x16</span>(); <span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">b</span>.<span class="ident">as_i8x16</span>(); <span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">call</span> { (<span class="macro-nonterminal">$</span><span class="macro-nonterminal">imm8</span>:<span class="ident">expr</span>) <span class="op">=></span> { <span class="ident">pcmpistrio128</span>(<span class="ident">a</span>, <span class="ident">b</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">imm8</span>) }; } <span class="macro">constify_imm8</span><span class="macro">!</span>(<span class="ident">imm8</span>, <span class="ident">call</span>) } <span class="doccomment">/// Compares packed strings with implicit lengths in `a` and `b` using the</span> <span class="doccomment">/// control in `imm8`, and return `1` if `b` did not contain a null</span> <span class="doccomment">/// character and the resulting mask was zero, and `0` otherwise.</span> <span class="doccomment">///</span> <span class="doccomment">/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_cmpistra)</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">"sse4.2"</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">pcmpistri</span>, <span class="ident">imm8</span> <span class="op">=</span> <span class="number">0</span>))]</span> <span class="attribute">#[<span class="ident">rustc_args_required_const</span>(<span class="number">2</span>)]</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_mm_cmpistra</span>(<span class="ident">a</span>: <span class="ident">__m128i</span>, <span class="ident">b</span>: <span class="ident">__m128i</span>, <span class="ident">imm8</span>: <span class="ident">i32</span>) <span class="op">-></span> <span class="ident">i32</span> { <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">a</span>.<span class="ident">as_i8x16</span>(); <span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">b</span>.<span class="ident">as_i8x16</span>(); <span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">call</span> { (<span class="macro-nonterminal">$</span><span class="macro-nonterminal">imm8</span>:<span class="ident">expr</span>) <span class="op">=></span> { <span class="ident">pcmpistria128</span>(<span class="ident">a</span>, <span class="ident">b</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">imm8</span>) }; } <span class="macro">constify_imm8</span><span class="macro">!</span>(<span class="ident">imm8</span>, <span class="ident">call</span>) } <span class="doccomment">/// Compares packed strings in `a` and `b` with lengths `la` and `lb`</span> <span class="doccomment">/// using the control in `imm8`, and return the generated mask.</span> <span class="doccomment">///</span> <span class="doccomment">/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_cmpestrm)</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">"sse4.2"</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">pcmpestrm</span>, <span class="ident">imm8</span> <span class="op">=</span> <span class="number">0</span>))]</span> <span class="attribute">#[<span class="ident">rustc_args_required_const</span>(<span class="number">4</span>)]</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_mm_cmpestrm</span>(<span class="ident">a</span>: <span class="ident">__m128i</span>, <span class="ident">la</span>: <span class="ident">i32</span>, <span class="ident">b</span>: <span class="ident">__m128i</span>, <span class="ident">lb</span>: <span class="ident">i32</span>, <span class="ident">imm8</span>: <span class="ident">i32</span>) <span class="op">-></span> <span class="ident">__m128i</span> { <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">a</span>.<span class="ident">as_i8x16</span>(); <span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">b</span>.<span class="ident">as_i8x16</span>(); <span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">call</span> { (<span class="macro-nonterminal">$</span><span class="macro-nonterminal">imm8</span>:<span class="ident">expr</span>) <span class="op">=></span> { <span class="ident">pcmpestrm128</span>(<span class="ident">a</span>, <span class="ident">la</span>, <span class="ident">b</span>, <span class="ident">lb</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">imm8</span>) }; } <span class="ident">transmute</span>(<span class="macro">constify_imm8</span><span class="macro">!</span>(<span class="ident">imm8</span>, <span class="ident">call</span>)) } <span class="doccomment">/// Compares packed strings `a` and `b` with lengths `la` and `lb` using the</span> <span class="doccomment">/// control in `imm8` and return the generated index. Similar to</span> <span class="doccomment">/// [`_mm_cmpistri`] with the exception that [`_mm_cmpistri`] implicitly</span> <span class="doccomment">/// determines the length of `a` and `b`.</span> <span class="doccomment">///</span> <span class="doccomment">/// # Control modes</span> <span class="doccomment">///</span> <span class="doccomment">/// The control specified by `imm8` may be one or more of the following.</span> <span class="doccomment">///</span> <span class="doccomment">/// ## Data size and signedness</span> <span class="doccomment">///</span> <span class="doccomment">/// - [`_SIDD_UBYTE_OPS`] - Default</span> <span class="doccomment">/// - [`_SIDD_UWORD_OPS`]</span> <span class="doccomment">/// - [`_SIDD_SBYTE_OPS`]</span> <span class="doccomment">/// - [`_SIDD_SWORD_OPS`]</span> <span class="doccomment">///</span> <span class="doccomment">/// ## Comparison options</span> <span class="doccomment">/// - [`_SIDD_CMP_EQUAL_ANY`] - Default</span> <span class="doccomment">/// - [`_SIDD_CMP_RANGES`]</span> <span class="doccomment">/// - [`_SIDD_CMP_EQUAL_EACH`]</span> <span class="doccomment">/// - [`_SIDD_CMP_EQUAL_ORDERED`]</span> <span class="doccomment">///</span> <span class="doccomment">/// ## Result polarity</span> <span class="doccomment">/// - [`_SIDD_POSITIVE_POLARITY`] - Default</span> <span class="doccomment">/// - [`_SIDD_NEGATIVE_POLARITY`]</span> <span class="doccomment">///</span> <span class="doccomment">/// ## Bit returned</span> <span class="doccomment">/// - [`_SIDD_LEAST_SIGNIFICANT`] - Default</span> <span class="doccomment">/// - [`_SIDD_MOST_SIGNIFICANT`]</span> <span class="doccomment">///</span> <span class="doccomment">/// # Examples</span> <span class="doccomment">///</span> <span class="doccomment">/// ```</span> <span class="doccomment">/// #[cfg(target_arch = "x86")]</span> <span class="doccomment">/// use std::arch::x86::*;</span> <span class="doccomment">/// #[cfg(target_arch = "x86_64")]</span> <span class="doccomment">/// use std::arch::x86_64::*;</span> <span class="doccomment">///</span> <span class="doccomment">/// # fn main() {</span> <span class="doccomment">/// # if is_x86_feature_detected!("sse4.2") {</span> <span class="doccomment">/// # #[target_feature(enable = "sse4.2")]</span> <span class="doccomment">/// # unsafe fn worker() {</span> <span class="doccomment">///</span> <span class="doccomment">/// // The string we want to find a substring in</span> <span class="doccomment">/// let haystack = b"Split \r\n\t line ";</span> <span class="doccomment">///</span> <span class="doccomment">/// // The string we want to search for with some</span> <span class="doccomment">/// // extra bytes we do not want to search for.</span> <span class="doccomment">/// let needle = b"\r\n\t ignore this ";</span> <span class="doccomment">///</span> <span class="doccomment">/// let a = _mm_loadu_si128(needle.as_ptr() as *const _);</span> <span class="doccomment">/// let b = _mm_loadu_si128(haystack.as_ptr() as *const _);</span> <span class="doccomment">///</span> <span class="doccomment">/// // Note: We explicitly specify we only want to search `b` for the</span> <span class="doccomment">/// // first 3 characters of a.</span> <span class="doccomment">/// let idx = _mm_cmpestri(a, 3, b, 15, _SIDD_CMP_EQUAL_ORDERED);</span> <span class="doccomment">///</span> <span class="doccomment">/// assert_eq!(idx, 6);</span> <span class="doccomment">/// # }</span> <span class="doccomment">/// # unsafe { worker(); }</span> <span class="doccomment">/// # }</span> <span class="doccomment">/// # }</span> <span class="doccomment">/// ```</span> <span class="doccomment">///</span> <span class="doccomment">/// [`_SIDD_UBYTE_OPS`]: constant._SIDD_UBYTE_OPS.html</span> <span class="doccomment">/// [`_SIDD_UWORD_OPS`]: constant._SIDD_UWORD_OPS.html</span> <span class="doccomment">/// [`_SIDD_SBYTE_OPS`]: constant._SIDD_SBYTE_OPS.html</span> <span class="doccomment">/// [`_SIDD_SWORD_OPS`]: constant._SIDD_SWORD_OPS.html</span> <span class="doccomment">/// [`_SIDD_CMP_EQUAL_ANY`]: constant._SIDD_CMP_EQUAL_ANY.html</span> <span class="doccomment">/// [`_SIDD_CMP_RANGES`]: constant._SIDD_CMP_RANGES.html</span> <span class="doccomment">/// [`_SIDD_CMP_EQUAL_EACH`]: constant._SIDD_CMP_EQUAL_EACH.html</span> <span class="doccomment">/// [`_SIDD_CMP_EQUAL_ORDERED`]: constant._SIDD_CMP_EQUAL_ORDERED.html</span> <span class="doccomment">/// [`_SIDD_POSITIVE_POLARITY`]: constant._SIDD_POSITIVE_POLARITY.html</span> <span class="doccomment">/// [`_SIDD_NEGATIVE_POLARITY`]: constant._SIDD_NEGATIVE_POLARITY.html</span> <span class="doccomment">/// [`_SIDD_LEAST_SIGNIFICANT`]: constant._SIDD_LEAST_SIGNIFICANT.html</span> <span class="doccomment">/// [`_SIDD_MOST_SIGNIFICANT`]: constant._SIDD_MOST_SIGNIFICANT.html</span> <span class="doccomment">/// [`_mm_cmpistri`]: fn._mm_cmpistri.html</span> <span class="doccomment">///</span> <span class="doccomment">/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_cmpestri)</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">"sse4.2"</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">pcmpestri</span>, <span class="ident">imm8</span> <span class="op">=</span> <span class="number">0</span>))]</span> <span class="attribute">#[<span class="ident">rustc_args_required_const</span>(<span class="number">4</span>)]</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_mm_cmpestri</span>(<span class="ident">a</span>: <span class="ident">__m128i</span>, <span class="ident">la</span>: <span class="ident">i32</span>, <span class="ident">b</span>: <span class="ident">__m128i</span>, <span class="ident">lb</span>: <span class="ident">i32</span>, <span class="ident">imm8</span>: <span class="ident">i32</span>) <span class="op">-></span> <span class="ident">i32</span> { <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">a</span>.<span class="ident">as_i8x16</span>(); <span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">b</span>.<span class="ident">as_i8x16</span>(); <span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">call</span> { (<span class="macro-nonterminal">$</span><span class="macro-nonterminal">imm8</span>:<span class="ident">expr</span>) <span class="op">=></span> { <span class="ident">pcmpestri128</span>(<span class="ident">a</span>, <span class="ident">la</span>, <span class="ident">b</span>, <span class="ident">lb</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">imm8</span>) }; } <span class="macro">constify_imm8</span><span class="macro">!</span>(<span class="ident">imm8</span>, <span class="ident">call</span>) } <span class="doccomment">/// Compares packed strings in `a` and `b` with lengths `la` and `lb`</span> <span class="doccomment">/// using the control in `imm8`, and return `1` if any character in</span> <span class="doccomment">/// `b` was null, and `0` otherwise.</span> <span class="doccomment">///</span> <span class="doccomment">/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_cmpestrz)</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">"sse4.2"</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">pcmpestri</span>, <span class="ident">imm8</span> <span class="op">=</span> <span class="number">0</span>))]</span> <span class="attribute">#[<span class="ident">rustc_args_required_const</span>(<span class="number">4</span>)]</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_mm_cmpestrz</span>(<span class="ident">a</span>: <span class="ident">__m128i</span>, <span class="ident">la</span>: <span class="ident">i32</span>, <span class="ident">b</span>: <span class="ident">__m128i</span>, <span class="ident">lb</span>: <span class="ident">i32</span>, <span class="ident">imm8</span>: <span class="ident">i32</span>) <span class="op">-></span> <span class="ident">i32</span> { <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">a</span>.<span class="ident">as_i8x16</span>(); <span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">b</span>.<span class="ident">as_i8x16</span>(); <span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">call</span> { (<span class="macro-nonterminal">$</span><span class="macro-nonterminal">imm8</span>:<span class="ident">expr</span>) <span class="op">=></span> { <span class="ident">pcmpestriz128</span>(<span class="ident">a</span>, <span class="ident">la</span>, <span class="ident">b</span>, <span class="ident">lb</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">imm8</span>) }; } <span class="macro">constify_imm8</span><span class="macro">!</span>(<span class="ident">imm8</span>, <span class="ident">call</span>) } <span class="doccomment">/// Compares packed strings in `a` and `b` with lengths `la` and `lb`</span> <span class="doccomment">/// using the control in `imm8`, and return `1` if the resulting mask</span> <span class="doccomment">/// was non-zero, and `0` otherwise.</span> <span class="doccomment">///</span> <span class="doccomment">/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_cmpestrc)</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">"sse4.2"</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">pcmpestri</span>, <span class="ident">imm8</span> <span class="op">=</span> <span class="number">0</span>))]</span> <span class="attribute">#[<span class="ident">rustc_args_required_const</span>(<span class="number">4</span>)]</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_mm_cmpestrc</span>(<span class="ident">a</span>: <span class="ident">__m128i</span>, <span class="ident">la</span>: <span class="ident">i32</span>, <span class="ident">b</span>: <span class="ident">__m128i</span>, <span class="ident">lb</span>: <span class="ident">i32</span>, <span class="ident">imm8</span>: <span class="ident">i32</span>) <span class="op">-></span> <span class="ident">i32</span> { <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">a</span>.<span class="ident">as_i8x16</span>(); <span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">b</span>.<span class="ident">as_i8x16</span>(); <span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">call</span> { (<span class="macro-nonterminal">$</span><span class="macro-nonterminal">imm8</span>:<span class="ident">expr</span>) <span class="op">=></span> { <span class="ident">pcmpestric128</span>(<span class="ident">a</span>, <span class="ident">la</span>, <span class="ident">b</span>, <span class="ident">lb</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">imm8</span>) }; } <span class="macro">constify_imm8</span><span class="macro">!</span>(<span class="ident">imm8</span>, <span class="ident">call</span>) } <span class="doccomment">/// Compares packed strings in `a` and `b` with lengths `la` and `lb`</span> <span class="doccomment">/// using the control in `imm8`, and return `1` if any character in</span> <span class="doccomment">/// a was null, and `0` otherwise.</span> <span class="doccomment">///</span> <span class="doccomment">/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_cmpestrs)</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">"sse4.2"</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">pcmpestri</span>, <span class="ident">imm8</span> <span class="op">=</span> <span class="number">0</span>))]</span> <span class="attribute">#[<span class="ident">rustc_args_required_const</span>(<span class="number">4</span>)]</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_mm_cmpestrs</span>(<span class="ident">a</span>: <span class="ident">__m128i</span>, <span class="ident">la</span>: <span class="ident">i32</span>, <span class="ident">b</span>: <span class="ident">__m128i</span>, <span class="ident">lb</span>: <span class="ident">i32</span>, <span class="ident">imm8</span>: <span class="ident">i32</span>) <span class="op">-></span> <span class="ident">i32</span> { <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">a</span>.<span class="ident">as_i8x16</span>(); <span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">b</span>.<span class="ident">as_i8x16</span>(); <span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">call</span> { (<span class="macro-nonterminal">$</span><span class="macro-nonterminal">imm8</span>:<span class="ident">expr</span>) <span class="op">=></span> { <span class="ident">pcmpestris128</span>(<span class="ident">a</span>, <span class="ident">la</span>, <span class="ident">b</span>, <span class="ident">lb</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">imm8</span>) }; } <span class="macro">constify_imm8</span><span class="macro">!</span>(<span class="ident">imm8</span>, <span class="ident">call</span>) } <span class="doccomment">/// Compares packed strings in `a` and `b` with lengths `la` and `lb`</span> <span class="doccomment">/// using the control in `imm8`, and return bit `0` of the resulting</span> <span class="doccomment">/// bit mask.</span> <span class="doccomment">///</span> <span class="doccomment">/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_cmpestro)</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">"sse4.2"</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">pcmpestri</span>, <span class="ident">imm8</span> <span class="op">=</span> <span class="number">0</span>))]</span> <span class="attribute">#[<span class="ident">rustc_args_required_const</span>(<span class="number">4</span>)]</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_mm_cmpestro</span>(<span class="ident">a</span>: <span class="ident">__m128i</span>, <span class="ident">la</span>: <span class="ident">i32</span>, <span class="ident">b</span>: <span class="ident">__m128i</span>, <span class="ident">lb</span>: <span class="ident">i32</span>, <span class="ident">imm8</span>: <span class="ident">i32</span>) <span class="op">-></span> <span class="ident">i32</span> { <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">a</span>.<span class="ident">as_i8x16</span>(); <span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">b</span>.<span class="ident">as_i8x16</span>(); <span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">call</span> { (<span class="macro-nonterminal">$</span><span class="macro-nonterminal">imm8</span>:<span class="ident">expr</span>) <span class="op">=></span> { <span class="ident">pcmpestrio128</span>(<span class="ident">a</span>, <span class="ident">la</span>, <span class="ident">b</span>, <span class="ident">lb</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">imm8</span>) }; } <span class="macro">constify_imm8</span><span class="macro">!</span>(<span class="ident">imm8</span>, <span class="ident">call</span>) } <span class="doccomment">/// Compares packed strings in `a` and `b` with lengths `la` and `lb`</span> <span class="doccomment">/// using the control in `imm8`, and return `1` if `b` did not</span> <span class="doccomment">/// contain a null character and the resulting mask was zero, and `0`</span> <span class="doccomment">/// otherwise.</span> <span class="doccomment">///</span> <span class="doccomment">/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_cmpestra)</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">"sse4.2"</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">pcmpestri</span>, <span class="ident">imm8</span> <span class="op">=</span> <span class="number">0</span>))]</span> <span class="attribute">#[<span class="ident">rustc_args_required_const</span>(<span class="number">4</span>)]</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_mm_cmpestra</span>(<span class="ident">a</span>: <span class="ident">__m128i</span>, <span class="ident">la</span>: <span class="ident">i32</span>, <span class="ident">b</span>: <span class="ident">__m128i</span>, <span class="ident">lb</span>: <span class="ident">i32</span>, <span class="ident">imm8</span>: <span class="ident">i32</span>) <span class="op">-></span> <span class="ident">i32</span> { <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">a</span>.<span class="ident">as_i8x16</span>(); <span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">b</span>.<span class="ident">as_i8x16</span>(); <span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">call</span> { (<span class="macro-nonterminal">$</span><span class="macro-nonterminal">imm8</span>:<span class="ident">expr</span>) <span class="op">=></span> { <span class="ident">pcmpestria128</span>(<span class="ident">a</span>, <span class="ident">la</span>, <span class="ident">b</span>, <span class="ident">lb</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">imm8</span>) }; } <span class="macro">constify_imm8</span><span class="macro">!</span>(<span class="ident">imm8</span>, <span class="ident">call</span>) } <span class="doccomment">/// Starting with the initial value in `crc`, return the accumulated</span> <span class="doccomment">/// CRC32 value for unsigned 8-bit integer `v`.</span> <span class="doccomment">///</span> <span class="doccomment">/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_crc32_u8)</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">"sse4.2"</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">crc32</span>))]</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_mm_crc32_u8</span>(<span class="ident">crc</span>: <span class="ident">u32</span>, <span class="ident">v</span>: <span class="ident">u8</span>) <span class="op">-></span> <span class="ident">u32</span> { <span class="ident">crc32_32_8</span>(<span class="ident">crc</span>, <span class="ident">v</span>) } <span class="doccomment">/// Starting with the initial value in `crc`, return the accumulated</span> <span class="doccomment">/// CRC32 value for unsigned 16-bit integer `v`.</span> <span class="doccomment">///</span> <span class="doccomment">/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_crc32_u16)</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">"sse4.2"</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">crc32</span>))]</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_mm_crc32_u16</span>(<span class="ident">crc</span>: <span class="ident">u32</span>, <span class="ident">v</span>: <span class="ident">u16</span>) <span class="op">-></span> <span class="ident">u32</span> { <span class="ident">crc32_32_16</span>(<span class="ident">crc</span>, <span class="ident">v</span>) } <span class="doccomment">/// Starting with the initial value in `crc`, return the accumulated</span> <span class="doccomment">/// CRC32 value for unsigned 32-bit integer `v`.</span> <span class="doccomment">///</span> <span class="doccomment">/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_crc32_u32)</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">"sse4.2"</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">crc32</span>))]</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_mm_crc32_u32</span>(<span class="ident">crc</span>: <span class="ident">u32</span>, <span class="ident">v</span>: <span class="ident">u32</span>) <span class="op">-></span> <span class="ident">u32</span> { <span class="ident">crc32_32_32</span>(<span class="ident">crc</span>, <span class="ident">v</span>) } <span class="doccomment">/// Compares packed 64-bit integers in `a` and `b` for greater-than,</span> <span class="doccomment">/// return the results.</span> <span class="doccomment">///</span> <span class="doccomment">/// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_cmpgt_epi64)</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">"sse4.2"</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">pcmpgtq</span>))]</span> <span class="attribute">#[<span class="ident">stable</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"simd_x86"</span>, <span class="ident">since</span> <span class="op">=</span> <span class="string">"1.27.0"</span>)]</span> <span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">_mm_cmpgt_epi64</span>(<span class="ident">a</span>: <span class="ident">__m128i</span>, <span class="ident">b</span>: <span class="ident">__m128i</span>) <span class="op">-></span> <span class="ident">__m128i</span> { <span class="ident">transmute</span>(<span class="ident">simd_gt</span>::<span class="op"><</span><span class="kw">_</span>, <span class="ident">i64x2</span><span class="op">></span>(<span class="ident">a</span>.<span class="ident">as_i64x2</span>(), <span class="ident">b</span>.<span class="ident">as_i64x2</span>())) } <span class="attribute">#[<span class="ident">allow</span>(<span class="ident">improper_ctypes</span>)]</span> <span class="kw">extern</span> <span class="string">"C"</span> { <span class="comment">// SSE 4.2 string and text comparison ops</span> <span class="attribute">#[<span class="ident">link_name</span> <span class="op">=</span> <span class="string">"llvm.x86.sse42.pcmpestrm128"</span>]</span> <span class="kw">fn</span> <span class="ident">pcmpestrm128</span>(<span class="ident">a</span>: <span class="ident">i8x16</span>, <span class="ident">la</span>: <span class="ident">i32</span>, <span class="ident">b</span>: <span class="ident">i8x16</span>, <span class="ident">lb</span>: <span class="ident">i32</span>, <span class="ident">imm8</span>: <span class="ident">i8</span>) <span class="op">-></span> <span class="ident">u8x16</span>; <span class="attribute">#[<span class="ident">link_name</span> <span class="op">=</span> <span class="string">"llvm.x86.sse42.pcmpestri128"</span>]</span> <span class="kw">fn</span> <span class="ident">pcmpestri128</span>(<span class="ident">a</span>: <span class="ident">i8x16</span>, <span class="ident">la</span>: <span class="ident">i32</span>, <span class="ident">b</span>: <span class="ident">i8x16</span>, <span class="ident">lb</span>: <span class="ident">i32</span>, <span class="ident">imm8</span>: <span class="ident">i8</span>) <span class="op">-></span> <span class="ident">i32</span>; <span class="attribute">#[<span class="ident">link_name</span> <span class="op">=</span> <span class="string">"llvm.x86.sse42.pcmpestriz128"</span>]</span> <span class="kw">fn</span> <span class="ident">pcmpestriz128</span>(<span class="ident">a</span>: <span class="ident">i8x16</span>, <span class="ident">la</span>: <span class="ident">i32</span>, <span class="ident">b</span>: <span class="ident">i8x16</span>, <span class="ident">lb</span>: <span class="ident">i32</span>, <span class="ident">imm8</span>: <span class="ident">i8</span>) <span class="op">-></span> <span class="ident">i32</span>; <span class="attribute">#[<span class="ident">link_name</span> <span class="op">=</span> <span class="string">"llvm.x86.sse42.pcmpestric128"</span>]</span> <span class="kw">fn</span> <span class="ident">pcmpestric128</span>(<span class="ident">a</span>: <span class="ident">i8x16</span>, <span class="ident">la</span>: <span class="ident">i32</span>, <span class="ident">b</span>: <span class="ident">i8x16</span>, <span class="ident">lb</span>: <span class="ident">i32</span>, <span class="ident">imm8</span>: <span class="ident">i8</span>) <span class="op">-></span> <span class="ident">i32</span>; <span class="attribute">#[<span class="ident">link_name</span> <span class="op">=</span> <span class="string">"llvm.x86.sse42.pcmpestris128"</span>]</span> <span class="kw">fn</span> <span class="ident">pcmpestris128</span>(<span class="ident">a</span>: <span class="ident">i8x16</span>, <span class="ident">la</span>: <span class="ident">i32</span>, <span class="ident">b</span>: <span class="ident">i8x16</span>, <span class="ident">lb</span>: <span class="ident">i32</span>, <span class="ident">imm8</span>: <span class="ident">i8</span>) <span class="op">-></span> <span class="ident">i32</span>; <span class="attribute">#[<span class="ident">link_name</span> <span class="op">=</span> <span class="string">"llvm.x86.sse42.pcmpestrio128"</span>]</span> <span class="kw">fn</span> <span class="ident">pcmpestrio128</span>(<span class="ident">a</span>: <span class="ident">i8x16</span>, <span class="ident">la</span>: <span class="ident">i32</span>, <span class="ident">b</span>: <span class="ident">i8x16</span>, <span class="ident">lb</span>: <span class="ident">i32</span>, <span class="ident">imm8</span>: <span class="ident">i8</span>) <span class="op">-></span> <span class="ident">i32</span>; <span class="attribute">#[<span class="ident">link_name</span> <span class="op">=</span> <span class="string">"llvm.x86.sse42.pcmpestria128"</span>]</span> <span class="kw">fn</span> <span class="ident">pcmpestria128</span>(<span class="ident">a</span>: <span class="ident">i8x16</span>, <span class="ident">la</span>: <span class="ident">i32</span>, <span class="ident">b</span>: <span class="ident">i8x16</span>, <span class="ident">lb</span>: <span class="ident">i32</span>, <span class="ident">imm8</span>: <span class="ident">i8</span>) <span class="op">-></span> <span class="ident">i32</span>; <span class="attribute">#[<span class="ident">link_name</span> <span class="op">=</span> <span class="string">"llvm.x86.sse42.pcmpistrm128"</span>]</span> <span class="kw">fn</span> <span class="ident">pcmpistrm128</span>(<span class="ident">a</span>: <span class="ident">i8x16</span>, <span class="ident">b</span>: <span class="ident">i8x16</span>, <span class="ident">imm8</span>: <span class="ident">i8</span>) <span class="op">-></span> <span class="ident">i8x16</span>; <span class="attribute">#[<span class="ident">link_name</span> <span class="op">=</span> <span class="string">"llvm.x86.sse42.pcmpistri128"</span>]</span> <span class="kw">fn</span> <span class="ident">pcmpistri128</span>(<span class="ident">a</span>: <span class="ident">i8x16</span>, <span class="ident">b</span>: <span class="ident">i8x16</span>, <span class="ident">imm8</span>: <span class="ident">i8</span>) <span class="op">-></span> <span class="ident">i32</span>; <span class="attribute">#[<span class="ident">link_name</span> <span class="op">=</span> <span class="string">"llvm.x86.sse42.pcmpistriz128"</span>]</span> <span class="kw">fn</span> <span class="ident">pcmpistriz128</span>(<span class="ident">a</span>: <span class="ident">i8x16</span>, <span class="ident">b</span>: <span class="ident">i8x16</span>, <span class="ident">imm8</span>: <span class="ident">i8</span>) <span class="op">-></span> <span class="ident">i32</span>; <span class="attribute">#[<span class="ident">link_name</span> <span class="op">=</span> <span class="string">"llvm.x86.sse42.pcmpistric128"</span>]</span> <span class="kw">fn</span> <span class="ident">pcmpistric128</span>(<span class="ident">a</span>: <span class="ident">i8x16</span>, <span class="ident">b</span>: <span class="ident">i8x16</span>, <span class="ident">imm8</span>: <span class="ident">i8</span>) <span class="op">-></span> <span class="ident">i32</span>; <span class="attribute">#[<span class="ident">link_name</span> <span class="op">=</span> <span class="string">"llvm.x86.sse42.pcmpistris128"</span>]</span> <span class="kw">fn</span> <span class="ident">pcmpistris128</span>(<span class="ident">a</span>: <span class="ident">i8x16</span>, <span class="ident">b</span>: <span class="ident">i8x16</span>, <span class="ident">imm8</span>: <span class="ident">i8</span>) <span class="op">-></span> <span class="ident">i32</span>; <span class="attribute">#[<span class="ident">link_name</span> <span class="op">=</span> <span class="string">"llvm.x86.sse42.pcmpistrio128"</span>]</span> <span class="kw">fn</span> <span class="ident">pcmpistrio128</span>(<span class="ident">a</span>: <span class="ident">i8x16</span>, <span class="ident">b</span>: <span class="ident">i8x16</span>, <span class="ident">imm8</span>: <span class="ident">i8</span>) <span class="op">-></span> <span class="ident">i32</span>; <span class="attribute">#[<span class="ident">link_name</span> <span class="op">=</span> <span class="string">"llvm.x86.sse42.pcmpistria128"</span>]</span> <span class="kw">fn</span> <span class="ident">pcmpistria128</span>(<span class="ident">a</span>: <span class="ident">i8x16</span>, <span class="ident">b</span>: <span class="ident">i8x16</span>, <span class="ident">imm8</span>: <span class="ident">i8</span>) <span class="op">-></span> <span class="ident">i32</span>; <span class="comment">// SSE 4.2 CRC instructions</span> <span class="attribute">#[<span class="ident">link_name</span> <span class="op">=</span> <span class="string">"llvm.x86.sse42.crc32.32.8"</span>]</span> <span class="kw">fn</span> <span class="ident">crc32_32_8</span>(<span class="ident">crc</span>: <span class="ident">u32</span>, <span class="ident">v</span>: <span class="ident">u8</span>) <span class="op">-></span> <span class="ident">u32</span>; <span class="attribute">#[<span class="ident">link_name</span> <span class="op">=</span> <span class="string">"llvm.x86.sse42.crc32.32.16"</span>]</span> <span class="kw">fn</span> <span class="ident">crc32_32_16</span>(<span class="ident">crc</span>: <span class="ident">u32</span>, <span class="ident">v</span>: <span class="ident">u16</span>) <span class="op">-></span> <span class="ident">u32</span>; <span class="attribute">#[<span class="ident">link_name</span> <span class="op">=</span> <span class="string">"llvm.x86.sse42.crc32.32.32"</span>]</span> <span class="kw">fn</span> <span class="ident">crc32_32_32</span>(<span class="ident">crc</span>: <span class="ident">u32</span>, <span class="ident">v</span>: <span class="ident">u32</span>) <span class="op">-></span> <span class="ident">u32</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="ident">stdsimd_test</span>::<span class="ident">simd_test</span>; <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">core_arch</span>::<span class="ident">x86</span>::<span class="kw-2">*</span>; <span class="kw">use</span> <span class="ident">std</span>::<span class="ident">ptr</span>; <span class="comment">// Currently one cannot `load` a &[u8] that is is less than 16</span> <span class="comment">// in length. This makes loading strings less than 16 in length</span> <span class="comment">// a bit difficult. Rather than `load` and mutate the __m128i,</span> <span class="comment">// it is easier to memcpy the given string to a local slice with</span> <span class="comment">// length 16 and `load` the local slice.</span> <span class="attribute">#[<span class="ident">target_feature</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse4.2"</span>)]</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">str_to_m128i</span>(<span class="ident">s</span>: <span class="kw-2">&</span>[<span class="ident">u8</span>]) <span class="op">-></span> <span class="ident">__m128i</span> { <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">s</span>.<span class="ident">len</span>() <span class="op"><=</span> <span class="number">16</span>); <span class="kw">let</span> <span class="ident">slice</span> <span class="op">=</span> <span class="kw-2">&</span><span class="kw-2">mut</span> [<span class="number">0u8</span>; <span class="number">16</span>]; <span class="ident">ptr</span>::<span class="ident">copy_nonoverlapping</span>( <span class="ident">s</span>.<span class="ident">get_unchecked</span>(<span class="number">0</span>) <span class="kw">as</span> <span class="kw-2">*</span><span class="kw">const</span> <span class="ident">u8</span> <span class="kw">as</span> <span class="kw-2">*</span><span class="kw">const</span> <span class="ident">u8</span>, <span class="ident">slice</span>.<span class="ident">get_unchecked_mut</span>(<span class="number">0</span>) <span class="kw">as</span> <span class="kw-2">*</span><span class="kw-2">mut</span> <span class="ident">u8</span> <span class="kw">as</span> <span class="kw-2">*</span><span class="kw-2">mut</span> <span class="ident">u8</span>, <span class="ident">s</span>.<span class="ident">len</span>(), ); <span class="ident">_mm_loadu_si128</span>(<span class="ident">slice</span>.<span class="ident">as_ptr</span>() <span class="kw">as</span> <span class="kw-2">*</span><span class="kw">const</span> <span class="kw">_</span>) } <span class="attribute">#[<span class="ident">simd_test</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse4.2"</span>)]</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">test_mm_cmpistrm</span>() { <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">str_to_m128i</span>(<span class="string">b"Hello! Good-Bye!"</span>); <span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">str_to_m128i</span>(<span class="string">b"hello! good-bye!"</span>); <span class="kw">let</span> <span class="ident">i</span> <span class="op">=</span> <span class="ident">_mm_cmpistrm</span>(<span class="ident">a</span>, <span class="ident">b</span>, <span class="ident">_SIDD_UNIT_MASK</span>); <span class="attribute">#[<span class="ident">rustfmt</span>::<span class="ident">skip</span>]</span> <span class="kw">let</span> <span class="ident">res</span> <span class="op">=</span> <span class="ident">_mm_setr_epi8</span>( <span class="number">0x00</span>, <span class="op">!</span><span class="number">0</span>, <span class="op">!</span><span class="number">0</span>, <span class="op">!</span><span class="number">0</span>, <span class="op">!</span><span class="number">0</span>, <span class="op">!</span><span class="number">0</span>, <span class="op">!</span><span class="number">0</span>, <span class="number">0x00</span>, <span class="op">!</span><span class="number">0</span>, <span class="op">!</span><span class="number">0</span>, <span class="op">!</span><span class="number">0</span>, <span class="op">!</span><span class="number">0</span>, <span class="number">0x00</span>, <span class="op">!</span><span class="number">0</span>, <span class="op">!</span><span class="number">0</span>, <span class="op">!</span><span class="number">0</span>, ); <span class="ident">assert_eq_m128i</span>(<span class="ident">i</span>, <span class="ident">res</span>); } <span class="attribute">#[<span class="ident">simd_test</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse4.2"</span>)]</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">test_mm_cmpistri</span>() { <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">str_to_m128i</span>(<span class="string">b"Hello"</span>); <span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">str_to_m128i</span>(<span class="string">b" Hello "</span>); <span class="kw">let</span> <span class="ident">i</span> <span class="op">=</span> <span class="ident">_mm_cmpistri</span>(<span class="ident">a</span>, <span class="ident">b</span>, <span class="ident">_SIDD_CMP_EQUAL_ORDERED</span>); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="number">3</span>, <span class="ident">i</span>); } <span class="attribute">#[<span class="ident">simd_test</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse4.2"</span>)]</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">test_mm_cmpistrz</span>() { <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">str_to_m128i</span>(<span class="string">b""</span>); <span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">str_to_m128i</span>(<span class="string">b"Hello"</span>); <span class="kw">let</span> <span class="ident">i</span> <span class="op">=</span> <span class="ident">_mm_cmpistrz</span>(<span class="ident">a</span>, <span class="ident">b</span>, <span class="ident">_SIDD_CMP_EQUAL_ORDERED</span>); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="number">1</span>, <span class="ident">i</span>); } <span class="attribute">#[<span class="ident">simd_test</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse4.2"</span>)]</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">test_mm_cmpistrc</span>() { <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">str_to_m128i</span>(<span class="string">b" "</span>); <span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">str_to_m128i</span>(<span class="string">b" ! "</span>); <span class="kw">let</span> <span class="ident">i</span> <span class="op">=</span> <span class="ident">_mm_cmpistrc</span>(<span class="ident">a</span>, <span class="ident">b</span>, <span class="ident">_SIDD_UNIT_MASK</span>); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="number">1</span>, <span class="ident">i</span>); } <span class="attribute">#[<span class="ident">simd_test</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse4.2"</span>)]</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">test_mm_cmpistrs</span>() { <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">str_to_m128i</span>(<span class="string">b"Hello"</span>); <span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">str_to_m128i</span>(<span class="string">b""</span>); <span class="kw">let</span> <span class="ident">i</span> <span class="op">=</span> <span class="ident">_mm_cmpistrs</span>(<span class="ident">a</span>, <span class="ident">b</span>, <span class="ident">_SIDD_CMP_EQUAL_ORDERED</span>); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="number">1</span>, <span class="ident">i</span>); } <span class="attribute">#[<span class="ident">simd_test</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse4.2"</span>)]</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">test_mm_cmpistro</span>() { <span class="attribute">#[<span class="ident">rustfmt</span>::<span class="ident">skip</span>]</span> <span class="kw">let</span> <span class="ident">a_bytes</span> <span class="op">=</span> <span class="ident">_mm_setr_epi8</span>( <span class="number">0x00</span>, <span class="number">0x47</span>, <span class="number">0x00</span>, <span class="number">0x65</span>, <span class="number">0x00</span>, <span class="number">0x6c</span>, <span class="number">0x00</span>, <span class="number">0x6c</span>, <span class="number">0x00</span>, <span class="number">0x6f</span>, <span class="number">0x00</span>, <span class="number">0x00</span>, <span class="number">0x00</span>, <span class="number">0x00</span>, <span class="number">0x00</span>, <span class="number">0x00</span>, ); <span class="attribute">#[<span class="ident">rustfmt</span>::<span class="ident">skip</span>]</span> <span class="kw">let</span> <span class="ident">b_bytes</span> <span class="op">=</span> <span class="ident">_mm_setr_epi8</span>( <span class="number">0x00</span>, <span class="number">0x48</span>, <span class="number">0x00</span>, <span class="number">0x65</span>, <span class="number">0x00</span>, <span class="number">0x6c</span>, <span class="number">0x00</span>, <span class="number">0x6c</span>, <span class="number">0x00</span>, <span class="number">0x6f</span>, <span class="number">0x00</span>, <span class="number">0x00</span>, <span class="number">0x00</span>, <span class="number">0x00</span>, <span class="number">0x00</span>, <span class="number">0x00</span>, ); <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">a_bytes</span>; <span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">b_bytes</span>; <span class="kw">let</span> <span class="ident">i</span> <span class="op">=</span> <span class="ident">_mm_cmpistro</span>(<span class="ident">a</span>, <span class="ident">b</span>, <span class="ident">_SIDD_UWORD_OPS</span> <span class="op">|</span> <span class="ident">_SIDD_UNIT_MASK</span>); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="number">0</span>, <span class="ident">i</span>); } <span class="attribute">#[<span class="ident">simd_test</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse4.2"</span>)]</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">test_mm_cmpistra</span>() { <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">str_to_m128i</span>(<span class="string">b""</span>); <span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">str_to_m128i</span>(<span class="string">b"Hello!!!!!!!!!!!"</span>); <span class="kw">let</span> <span class="ident">i</span> <span class="op">=</span> <span class="ident">_mm_cmpistra</span>(<span class="ident">a</span>, <span class="ident">b</span>, <span class="ident">_SIDD_UNIT_MASK</span>); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="number">1</span>, <span class="ident">i</span>); } <span class="attribute">#[<span class="ident">simd_test</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse4.2"</span>)]</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">test_mm_cmpestrm</span>() { <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">str_to_m128i</span>(<span class="string">b"Hello!"</span>); <span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">str_to_m128i</span>(<span class="string">b"Hello."</span>); <span class="kw">let</span> <span class="ident">i</span> <span class="op">=</span> <span class="ident">_mm_cmpestrm</span>(<span class="ident">a</span>, <span class="number">5</span>, <span class="ident">b</span>, <span class="number">5</span>, <span class="ident">_SIDD_UNIT_MASK</span>); <span class="attribute">#[<span class="ident">rustfmt</span>::<span class="ident">skip</span>]</span> <span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">_mm_setr_epi8</span>( <span class="op">!</span><span class="number">0</span>, <span class="op">!</span><span class="number">0</span>, <span class="op">!</span><span class="number">0</span>, <span class="op">!</span><span class="number">0</span>, <span class="op">!</span><span class="number">0</span>, <span class="number">0x00</span>, <span class="number">0x00</span>, <span class="number">0x00</span>, <span class="number">0x00</span>, <span class="number">0x00</span>, <span class="number">0x00</span>, <span class="number">0x00</span>, <span class="number">0x00</span>, <span class="number">0x00</span>, <span class="number">0x00</span>, <span class="number">0x00</span> ); <span class="ident">assert_eq_m128i</span>(<span class="ident">i</span>, <span class="ident">r</span>); } <span class="attribute">#[<span class="ident">simd_test</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse4.2"</span>)]</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">test_mm_cmpestri</span>() { <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">str_to_m128i</span>(<span class="string">b"bar - garbage"</span>); <span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">str_to_m128i</span>(<span class="string">b"foobar"</span>); <span class="kw">let</span> <span class="ident">i</span> <span class="op">=</span> <span class="ident">_mm_cmpestri</span>(<span class="ident">a</span>, <span class="number">3</span>, <span class="ident">b</span>, <span class="number">6</span>, <span class="ident">_SIDD_CMP_EQUAL_ORDERED</span>); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="number">3</span>, <span class="ident">i</span>); } <span class="attribute">#[<span class="ident">simd_test</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse4.2"</span>)]</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">test_mm_cmpestrz</span>() { <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">str_to_m128i</span>(<span class="string">b""</span>); <span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">str_to_m128i</span>(<span class="string">b"Hello"</span>); <span class="kw">let</span> <span class="ident">i</span> <span class="op">=</span> <span class="ident">_mm_cmpestrz</span>(<span class="ident">a</span>, <span class="number">16</span>, <span class="ident">b</span>, <span class="number">6</span>, <span class="ident">_SIDD_CMP_EQUAL_ORDERED</span>); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="number">1</span>, <span class="ident">i</span>); } <span class="attribute">#[<span class="ident">simd_test</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse4.2"</span>)]</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">test_mm_cmpestrc</span>() { <span class="kw">let</span> <span class="ident">va</span> <span class="op">=</span> <span class="ident">str_to_m128i</span>(<span class="string">b"!!!!!!!!"</span>); <span class="kw">let</span> <span class="ident">vb</span> <span class="op">=</span> <span class="ident">str_to_m128i</span>(<span class="string">b" "</span>); <span class="kw">let</span> <span class="ident">i</span> <span class="op">=</span> <span class="ident">_mm_cmpestrc</span>(<span class="ident">va</span>, <span class="number">7</span>, <span class="ident">vb</span>, <span class="number">7</span>, <span class="ident">_SIDD_UNIT_MASK</span>); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="number">0</span>, <span class="ident">i</span>); } <span class="attribute">#[<span class="ident">simd_test</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse4.2"</span>)]</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">test_mm_cmpestrs</span>() { <span class="attribute">#[<span class="ident">rustfmt</span>::<span class="ident">skip</span>]</span> <span class="kw">let</span> <span class="ident">a_bytes</span> <span class="op">=</span> <span class="ident">_mm_setr_epi8</span>( <span class="number">0x00</span>, <span class="number">0x48</span>, <span class="number">0x00</span>, <span class="number">0x65</span>, <span class="number">0x00</span>, <span class="number">0x6c</span>, <span class="number">0x00</span>, <span class="number">0x6c</span>, <span class="number">0x00</span>, <span class="number">0x6f</span>, <span class="number">0x00</span>, <span class="number">0x00</span>, <span class="number">0x00</span>, <span class="number">0x00</span>, <span class="number">0x00</span>, <span class="number">0x00</span>, ); <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">a_bytes</span>; <span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">_mm_set1_epi8</span>(<span class="number">0x00</span>); <span class="kw">let</span> <span class="ident">i</span> <span class="op">=</span> <span class="ident">_mm_cmpestrs</span>(<span class="ident">a</span>, <span class="number">8</span>, <span class="ident">b</span>, <span class="number">0</span>, <span class="ident">_SIDD_UWORD_OPS</span>); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="number">0</span>, <span class="ident">i</span>); } <span class="attribute">#[<span class="ident">simd_test</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse4.2"</span>)]</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">test_mm_cmpestro</span>() { <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">str_to_m128i</span>(<span class="string">b"Hello"</span>); <span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">str_to_m128i</span>(<span class="string">b"World"</span>); <span class="kw">let</span> <span class="ident">i</span> <span class="op">=</span> <span class="ident">_mm_cmpestro</span>(<span class="ident">a</span>, <span class="number">5</span>, <span class="ident">b</span>, <span class="number">5</span>, <span class="ident">_SIDD_UBYTE_OPS</span>); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="number">0</span>, <span class="ident">i</span>); } <span class="attribute">#[<span class="ident">simd_test</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse4.2"</span>)]</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">test_mm_cmpestra</span>() { <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">str_to_m128i</span>(<span class="string">b"Cannot match a"</span>); <span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">str_to_m128i</span>(<span class="string">b"Null after 14"</span>); <span class="kw">let</span> <span class="ident">i</span> <span class="op">=</span> <span class="ident">_mm_cmpestra</span>(<span class="ident">a</span>, <span class="number">14</span>, <span class="ident">b</span>, <span class="number">16</span>, <span class="ident">_SIDD_CMP_EQUAL_EACH</span> <span class="op">|</span> <span class="ident">_SIDD_UNIT_MASK</span>); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="number">1</span>, <span class="ident">i</span>); } <span class="attribute">#[<span class="ident">simd_test</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse4.2"</span>)]</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">test_mm_crc32_u8</span>() { <span class="kw">let</span> <span class="ident">crc</span> <span class="op">=</span> <span class="number">0x2aa1e72b</span>; <span class="kw">let</span> <span class="ident">v</span> <span class="op">=</span> <span class="number">0x2a</span>; <span class="kw">let</span> <span class="ident">i</span> <span class="op">=</span> <span class="ident">_mm_crc32_u8</span>(<span class="ident">crc</span>, <span class="ident">v</span>); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">i</span>, <span class="number">0xf24122e4</span>); } <span class="attribute">#[<span class="ident">simd_test</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse4.2"</span>)]</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">test_mm_crc32_u16</span>() { <span class="kw">let</span> <span class="ident">crc</span> <span class="op">=</span> <span class="number">0x8ecec3b5</span>; <span class="kw">let</span> <span class="ident">v</span> <span class="op">=</span> <span class="number">0x22b</span>; <span class="kw">let</span> <span class="ident">i</span> <span class="op">=</span> <span class="ident">_mm_crc32_u16</span>(<span class="ident">crc</span>, <span class="ident">v</span>); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">i</span>, <span class="number">0x13bb2fb</span>); } <span class="attribute">#[<span class="ident">simd_test</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse4.2"</span>)]</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">test_mm_crc32_u32</span>() { <span class="kw">let</span> <span class="ident">crc</span> <span class="op">=</span> <span class="number">0xae2912c8</span>; <span class="kw">let</span> <span class="ident">v</span> <span class="op">=</span> <span class="number">0x845fed</span>; <span class="kw">let</span> <span class="ident">i</span> <span class="op">=</span> <span class="ident">_mm_crc32_u32</span>(<span class="ident">crc</span>, <span class="ident">v</span>); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">i</span>, <span class="number">0xffae2ed1</span>); } <span class="attribute">#[<span class="ident">simd_test</span>(<span class="ident">enable</span> <span class="op">=</span> <span class="string">"sse4.2"</span>)]</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">test_mm_cmpgt_epi64</span>() { <span class="kw">let</span> <span class="ident">a</span> <span class="op">=</span> <span class="ident">_mm_setr_epi64x</span>(<span class="number">0</span>, <span class="number">0x2a</span>); <span class="kw">let</span> <span class="ident">b</span> <span class="op">=</span> <span class="ident">_mm_set1_epi64x</span>(<span class="number">0x00</span>); <span class="kw">let</span> <span class="ident">i</span> <span class="op">=</span> <span class="ident">_mm_cmpgt_epi64</span>(<span class="ident">a</span>, <span class="ident">b</span>); <span class="ident">assert_eq_m128i</span>(<span class="ident">i</span>, <span class="ident">_mm_setr_epi64x</span>(<span class="number">0x00</span>, <span class="number">0xffffffffffffffffu64</span> <span class="kw">as</span> <span class="ident">i64</span>)); } } </pre></div> </section><section id="search" class="content hidden"></section><section class="footer"></section><aside id="help" class="hidden"><div><h1 class="hidden">Help</h1><div class="shortcuts"><h2>Keyboard Shortcuts</h2><dl><dt><kbd>?</kbd></dt><dd>Show this help dialog</dd><dt><kbd>S</kbd></dt><dd>Focus the search field</dd><dt><kbd>↑</kbd></dt><dd>Move up in search results</dd><dt><kbd>↓</kbd></dt><dd>Move down in search results</dd><dt><kbd>↹</kbd></dt><dd>Switch tab</dd><dt><kbd>⏎</kbd></dt><dd>Go to active search result</dd><dt><kbd>+</kbd></dt><dd>Expand all sections</dd><dt><kbd>-</kbd></dt><dd>Collapse all sections</dd></dl></div><div class="infos"><h2>Search Tricks</h2><p>Prefix searches with a type followed by a colon (e.g., <code>fn:</code>) to restrict the search to a given type.</p><p>Accepted types are: <code>fn</code>, <code>mod</code>, <code>struct</code>, <code>enum</code>, <code>trait</code>, <code>type</code>, <code>macro</code>, and <code>const</code>.</p><p>Search functions by type signature (e.g., <code>vec -> usize</code> or <code>* -> vec</code>)</p><p>Search multiple things at once by splitting your query with comma (e.g., <code>str,u8</code> or <code>String,struct:Vec,test</code>)</p></div></div></aside><script>window.rootPath = "../../../../../../../../";window.currentCrate = "core";</script><script src="../../../../../../../../aliases.js"></script><script src="../../../../../../../../main1.35.0.js"></script><script src="../../../../../../../../source-script1.35.0.js"></script><script src="../../../../../../../../source-files.js"></script><script defer src="../../../../../../../../search-index.js"></script></body></html>