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<h1>Random123/features/sse.h</h1> </div>
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<div class="contents">
<a href="sse_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment">Copyright 2010-2011, D. E. Shaw Research.</span>
<a name="l00003"></a>00003 <span class="comment">All rights reserved.</span>
<a name="l00004"></a>00004 <span class="comment"></span>
<a name="l00005"></a>00005 <span class="comment">Redistribution and use in source and binary forms, with or without</span>
<a name="l00006"></a>00006 <span class="comment">modification, are permitted provided that the following conditions are</span>
<a name="l00007"></a>00007 <span class="comment">met:</span>
<a name="l00008"></a>00008 <span class="comment"></span>
<a name="l00009"></a>00009 <span class="comment">* Redistributions of source code must retain the above copyright</span>
<a name="l00010"></a>00010 <span class="comment"> notice, this list of conditions, and the following disclaimer.</span>
<a name="l00011"></a>00011 <span class="comment"></span>
<a name="l00012"></a>00012 <span class="comment">* Redistributions in binary form must reproduce the above copyright</span>
<a name="l00013"></a>00013 <span class="comment"> notice, this list of conditions, and the following disclaimer in the</span>
<a name="l00014"></a>00014 <span class="comment"> documentation and/or other materials provided with the distribution.</span>
<a name="l00015"></a>00015 <span class="comment"></span>
<a name="l00016"></a>00016 <span class="comment">* Neither the name of D. E. Shaw Research nor the names of its</span>
<a name="l00017"></a>00017 <span class="comment"> contributors may be used to endorse or promote products derived from</span>
<a name="l00018"></a>00018 <span class="comment"> this software without specific prior written permission.</span>
<a name="l00019"></a>00019 <span class="comment"></span>
<a name="l00020"></a>00020 <span class="comment">THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS</span>
<a name="l00021"></a>00021 <span class="comment">"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT</span>
<a name="l00022"></a>00022 <span class="comment">LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR</span>
<a name="l00023"></a>00023 <span class="comment">A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT</span>
<a name="l00024"></a>00024 <span class="comment">OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,</span>
<a name="l00025"></a>00025 <span class="comment">SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT</span>
<a name="l00026"></a>00026 <span class="comment">LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,</span>
<a name="l00027"></a>00027 <span class="comment">DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY</span>
<a name="l00028"></a>00028 <span class="comment">THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT</span>
<a name="l00029"></a>00029 <span class="comment">(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE</span>
<a name="l00030"></a>00030 <span class="comment">OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span>
<a name="l00031"></a>00031 <span class="comment">*/</span>
<a name="l00032"></a>00032 <span class="preprocessor">#ifndef _Random123_sse_dot_h__</span>
<a name="l00033"></a>00033 <span class="preprocessor"></span><span class="preprocessor">#define _Random123_sse_dot_h__</span>
<a name="l00034"></a>00034 <span class="preprocessor"></span>
<a name="l00035"></a>00035 <span class="preprocessor">#if R123_USE_SSE</span>
<a name="l00036"></a>00036 <span class="preprocessor"></span>
<a name="l00037"></a>00037 <span class="preprocessor">#if R123_USE_X86INTRIN_H</span>
<a name="l00038"></a>00038 <span class="preprocessor"></span><span class="preprocessor">#include <x86intrin.h></span>
<a name="l00039"></a>00039 <span class="preprocessor">#endif</span>
<a name="l00040"></a>00040 <span class="preprocessor"></span><span class="preprocessor">#if R123_USE_IA32INTRIN_H</span>
<a name="l00041"></a>00041 <span class="preprocessor"></span><span class="preprocessor">#include <ia32intrin.h></span>
<a name="l00042"></a>00042 <span class="preprocessor">#endif</span>
<a name="l00043"></a>00043 <span class="preprocessor"></span><span class="preprocessor">#if R123_USE_XMMINTRIN_H</span>
<a name="l00044"></a>00044 <span class="preprocessor"></span><span class="preprocessor">#include <xmmintrin.h></span>
<a name="l00045"></a>00045 <span class="preprocessor">#endif</span>
<a name="l00046"></a>00046 <span class="preprocessor"></span><span class="preprocessor">#if R123_USE_EMMINTRIN_H</span>
<a name="l00047"></a>00047 <span class="preprocessor"></span><span class="preprocessor">#include <emmintrin.h></span>
<a name="l00048"></a>00048 <span class="preprocessor">#endif</span>
<a name="l00049"></a>00049 <span class="preprocessor"></span><span class="preprocessor">#if R123_USE_SMMINTRIN_H</span>
<a name="l00050"></a>00050 <span class="preprocessor"></span><span class="preprocessor">#include <smmintrin.h></span>
<a name="l00051"></a>00051 <span class="preprocessor">#endif</span>
<a name="l00052"></a>00052 <span class="preprocessor"></span><span class="preprocessor">#if R123_USE_WMMINTRIN_H</span>
<a name="l00053"></a>00053 <span class="preprocessor"></span><span class="preprocessor">#include <wmmintrin.h></span>
<a name="l00054"></a>00054 <span class="preprocessor">#endif</span>
<a name="l00055"></a>00055 <span class="preprocessor"></span><span class="preprocessor">#if R123_USE_INTRIN_H</span>
<a name="l00056"></a>00056 <span class="preprocessor"></span><span class="preprocessor">#include <intrin.h></span>
<a name="l00057"></a>00057 <span class="preprocessor">#endif</span>
<a name="l00058"></a>00058 <span class="preprocessor"></span><span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00059"></a>00059 <span class="preprocessor"></span><span class="preprocessor">#include <iostream></span>
<a name="l00060"></a>00060 <span class="preprocessor">#include <limits></span>
<a name="l00061"></a>00061 <span class="preprocessor">#include <stdexcept></span>
<a name="l00062"></a>00062 <span class="preprocessor">#endif</span>
<a name="l00063"></a>00063 <span class="preprocessor"></span>
<a name="l00064"></a>00064 <span class="preprocessor">#if R123_USE_ASM_GNU</span>
<a name="l00065"></a>00065 <span class="preprocessor"></span>
<a name="l00066"></a>00066 <span class="comment">/* bit25 of CX tells us whether AES is enabled. */</span>
<a name="l00067"></a>00067 R123_STATIC_INLINE <span class="keywordtype">int</span> <a class="code" href="sse_8h.html#a0b35a046e85316295476d7d552411044">haveAESNI</a>(){
<a name="l00068"></a>00068 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> eax, ebx, ecx, edx;
<a name="l00069"></a>00069 __asm__ __volatile__ (<span class="stringliteral">"cpuid"</span>: <span class="stringliteral">"=a"</span> (eax), <span class="stringliteral">"=b"</span> (ebx), <span class="stringliteral">"=c"</span> (ecx), <span class="stringliteral">"=d"</span> (edx) :
<a name="l00070"></a>00070 <span class="stringliteral">"a"</span> (1));
<a name="l00071"></a>00071 <span class="keywordflow">return</span> (ecx>>25) & 1;
<a name="l00072"></a>00072 }
<a name="l00073"></a>00073 <span class="preprocessor">#elif R123_USE_CPUID_MSVC</span>
<a name="l00074"></a>00074 <span class="preprocessor"></span>R123_STATIC_INLINE <span class="keywordtype">int</span> <a class="code" href="sse_8h.html#a0b35a046e85316295476d7d552411044">haveAESNI</a>(){
<a name="l00075"></a>00075 <span class="keywordtype">int</span> CPUInfo[4];
<a name="l00076"></a>00076 __cpuid(CPUInfo, 1);
<a name="l00077"></a>00077 <span class="keywordflow">return</span> (CPUInfo[2]>>25)&1;
<a name="l00078"></a>00078 }
<a name="l00079"></a>00079 <span class="preprocessor">#else </span><span class="comment">/* R123_USE_CPUID_??? */</span>
<a name="l00080"></a>00080 <span class="preprocessor">#warning "No R123_USE_CPUID_XXX method chosen. haveAESNI will always return false"</span>
<a name="l00081"></a><a class="code" href="sse_8h.html#a0b35a046e85316295476d7d552411044">00081</a> <span class="preprocessor"></span>R123_STATIC_INLINE <span class="keywordtype">int</span> <a class="code" href="sse_8h.html#a0b35a046e85316295476d7d552411044">haveAESNI</a>(){
<a name="l00082"></a>00082 <span class="keywordflow">return</span> 0;
<a name="l00083"></a>00083 }
<a name="l00084"></a>00084 <span class="preprocessor">#endif </span><span class="comment">/* R123_USE_ASM_GNU || R123_USE_CPUID_MSVC */</span>
<a name="l00085"></a>00085
<a name="l00086"></a>00086 <span class="comment">// There is a lot of annoying and inexplicable variation in the</span>
<a name="l00087"></a>00087 <span class="comment">// SSE intrinsics available in different compilation environments.</span>
<a name="l00088"></a>00088 <span class="comment">// The details seem to depend on the compiler, the version and</span>
<a name="l00089"></a>00089 <span class="comment">// the target architecture. Rather than insisting on</span>
<a name="l00090"></a>00090 <span class="comment">// R123_USE_feature tests for each of these in each of the</span>
<a name="l00091"></a>00091 <span class="comment">// compilerfeatures.h files we just keep the complexity localized</span>
<a name="l00092"></a>00092 <span class="comment">// to here...</span>
<a name="l00093"></a>00093 <span class="preprocessor">#if (defined(__ICC) && __ICC<1210) || (defined(_MSC_VER) && !defined(_WIN64))</span>
<a name="l00094"></a>00094 <span class="preprocessor"></span><span class="comment">/* Is there an intrinsic to assemble an __m128i from two 64-bit words? </span>
<a name="l00095"></a>00095 <span class="comment"> If not, use the 4x32-bit intrisic instead. N.B. It looks like Intel</span>
<a name="l00096"></a>00096 <span class="comment"> added _mm_set_epi64x to icc version 12.1 in Jan 2012.</span>
<a name="l00097"></a>00097 <span class="comment">*/</span>
<a name="l00098"></a>00098 R123_STATIC_INLINE __m128i _mm_set_epi64x(uint64_t v1, uint64_t v0){
<a name="l00099"></a>00099 <span class="keyword">union</span>{
<a name="l00100"></a>00100 uint64_t u64;
<a name="l00101"></a>00101 uint32_t u32[2];
<a name="l00102"></a>00102 } u1, u0;
<a name="l00103"></a>00103 u1.u64 = v1;
<a name="l00104"></a>00104 u0.u64 = v0;
<a name="l00105"></a>00105 <span class="keywordflow">return</span> _mm_set_epi32(u1.u32[1], u1.u32[0], u0.u32[1], u0.u32[0]);
<a name="l00106"></a>00106 }
<a name="l00107"></a>00107 <span class="preprocessor">#endif</span>
<a name="l00108"></a>00108 <span class="preprocessor"></span><span class="comment">/* _mm_extract_lo64 abstracts the task of extracting the low 64-bit</span>
<a name="l00109"></a>00109 <span class="comment"> word from an __m128i. The _mm_cvtsi128_si64 intrinsic does the job</span>
<a name="l00110"></a>00110 <span class="comment"> on 64-bit platforms. Unfortunately, both MSVC and Open64 fail</span>
<a name="l00111"></a>00111 <span class="comment"> assertions in ut_M128.cpp and ut_carray.cpp when we use the</span>
<a name="l00112"></a>00112 <span class="comment"> _mm_cvtsi128_si64 intrinsic. (See</span>
<a name="l00113"></a>00113 <span class="comment"> https://bugs.open64.net/show_bug.cgi?id=873 for the Open64 bug).</span>
<a name="l00114"></a>00114 <span class="comment"> On 32-bit platforms, there's no MOVQ, so there's no intrinsic.</span>
<a name="l00115"></a>00115 <span class="comment"> Finally, even if the intrinsic exists, it may be spelled with or</span>
<a name="l00116"></a>00116 <span class="comment"> without the 'x'.</span>
<a name="l00117"></a>00117 <span class="comment">*/</span>
<a name="l00118"></a>00118 <span class="preprocessor">#if !defined(__x86_64__) || defined(_MSC_VER) || defined(__OPEN64__)</span>
<a name="l00119"></a><a class="code" href="sse_8h.html#adac6aaf79c4428abcd30bf583eeb5450">00119</a> <span class="preprocessor"></span>R123_STATIC_INLINE uint64_t <a class="code" href="sse_8h.html#adac6aaf79c4428abcd30bf583eeb5450">_mm_extract_lo64</a>(__m128i si){
<a name="l00120"></a>00120 <span class="keyword">union</span>{
<a name="l00121"></a>00121 uint64_t u64[2];
<a name="l00122"></a>00122 __m128i m;
<a name="l00123"></a>00123 }u;
<a name="l00124"></a>00124 _mm_store_si128(&u.m, si);
<a name="l00125"></a>00125 <span class="keywordflow">return</span> u.u64[0];
<a name="l00126"></a>00126 }
<a name="l00127"></a>00127 <span class="preprocessor">#elif defined(__llvm__) || defined(__ICC)</span>
<a name="l00128"></a>00128 <span class="preprocessor"></span>R123_STATIC_INLINE uint64_t <a class="code" href="sse_8h.html#adac6aaf79c4428abcd30bf583eeb5450">_mm_extract_lo64</a>(__m128i si){
<a name="l00129"></a>00129 <span class="keywordflow">return</span> (uint64_t)_mm_cvtsi128_si64(si);
<a name="l00130"></a>00130 }
<a name="l00131"></a>00131 <span class="preprocessor">#else </span><span class="comment">/* GNUC, others */</span>
<a name="l00132"></a>00132 <span class="comment">/* FWIW, gcc's emmintrin.h has had the 'x' spelling</span>
<a name="l00133"></a>00133 <span class="comment"> since at least gcc-3.4.4. The no-'x' spelling showed up</span>
<a name="l00134"></a>00134 <span class="comment"> around 4.2. */</span>
<a name="l00135"></a>00135 R123_STATIC_INLINE uint64_t <a class="code" href="sse_8h.html#adac6aaf79c4428abcd30bf583eeb5450">_mm_extract_lo64</a>(__m128i si){
<a name="l00136"></a>00136 <span class="keywordflow">return</span> (uint64_t)_mm_cvtsi128_si64x(si);
<a name="l00137"></a>00137 }
<a name="l00138"></a>00138 <span class="preprocessor">#endif</span>
<a name="l00139"></a>00139 <span class="preprocessor"></span><span class="preprocessor">#if defined(__GNUC__) && __GNUC__ < 4</span>
<a name="l00140"></a>00140 <span class="preprocessor"></span><span class="comment">/* the cast builtins showed up in gcc4. */</span>
<a name="l00141"></a>00141 R123_STATIC_INLINE __m128 _mm_castsi128_ps(__m128i si){
<a name="l00142"></a>00142 <span class="keywordflow">return</span> (__m128)si;
<a name="l00143"></a>00143 }
<a name="l00144"></a>00144 <span class="preprocessor">#endif</span>
<a name="l00145"></a>00145 <span class="preprocessor"></span>
<a name="l00146"></a>00146 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00147"></a>00147 <span class="preprocessor"></span>
<a name="l00148"></a><a class="code" href="structr123m128i.html">00148</a> <span class="keyword">struct </span><a class="code" href="structr123m128i.html">r123m128i</a>{
<a name="l00149"></a><a class="code" href="structr123m128i.html#a9b9908268281aace8028a3f34980634d">00149</a> __m128i <a class="code" href="structr123m128i.html#a9b9908268281aace8028a3f34980634d">m</a>;
<a name="l00150"></a>00150 <span class="preprocessor">#if R123_USE_CXX11_UNRESTRICTED_UNIONS</span>
<a name="l00151"></a>00151 <span class="preprocessor"></span> <span class="comment">// C++98 forbids a union member from having *any* constructors.</span>
<a name="l00152"></a>00152 <span class="comment">// C++11 relaxes this, and allows union members to have constructors</span>
<a name="l00153"></a>00153 <span class="comment">// as long as there is a "trivial" default construtor. So in C++11</span>
<a name="l00154"></a>00154 <span class="comment">// we can provide a r123m128i constructor with an __m128i argument, and still</span>
<a name="l00155"></a>00155 <span class="comment">// have the default (and hence trivial) default constructor.</span>
<a name="l00156"></a>00156 <a class="code" href="structr123m128i.html">r123m128i</a>() = <span class="keywordflow">default</span>;
<a name="l00157"></a>00157 <a class="code" href="structr123m128i.html">r123m128i</a>(__m128i _m): <a class="code" href="structr123m128i.html#a9b9908268281aace8028a3f34980634d">m</a>(_m){}
<a name="l00158"></a>00158 <span class="preprocessor">#endif</span>
<a name="l00159"></a><a class="code" href="structr123m128i.html#a9842fbc85102e0019cc58d97c28e2d02">00159</a> <span class="preprocessor"></span> <a class="code" href="structr123m128i.html">r123m128i</a>& <a class="code" href="structr123m128i.html#a9842fbc85102e0019cc58d97c28e2d02">operator=</a>(<span class="keyword">const</span> __m128i& rhs){ <a class="code" href="structr123m128i.html#a9b9908268281aace8028a3f34980634d">m</a>=rhs; <span class="keywordflow">return</span> *<span class="keyword">this</span>;}
<a name="l00160"></a><a class="code" href="structr123m128i.html#a0da7ae920bce1b75efb91017ab6bc37c">00160</a> <a class="code" href="structr123m128i.html">r123m128i</a>& <a class="code" href="structr123m128i.html#a0da7ae920bce1b75efb91017ab6bc37c">operator=</a>(R123_ULONG_LONG n){ <a class="code" href="structr123m128i.html#a9b9908268281aace8028a3f34980634d">m</a> = _mm_set_epi64x(0, n); <span class="keywordflow">return</span> *<span class="keyword">this</span>;}
<a name="l00161"></a>00161 <span class="preprocessor">#if R123_USE_CXX11_EXPLICIT_CONVERSIONS</span>
<a name="l00162"></a>00162 <span class="preprocessor"></span> <span class="comment">// With C++0x we can attach explicit to the bool conversion operator</span>
<a name="l00163"></a>00163 <span class="comment">// to disambiguate undesired promotions. For g++, this works</span>
<a name="l00164"></a>00164 <span class="comment">// only in 4.5 and above.</span>
<a name="l00165"></a>00165 <span class="keyword">explicit</span> operator bool()<span class="keyword"> const </span>{<span class="keywordflow">return</span> _bool();}
<a name="l00166"></a>00166 <span class="preprocessor">#else</span>
<a name="l00167"></a>00167 <span class="preprocessor"></span> <span class="comment">// Pre-C++0x, we have to do something else. Google for the "safe bool"</span>
<a name="l00168"></a>00168 <span class="comment">// idiom for other ideas...</span>
<a name="l00169"></a><a class="code" href="structr123m128i.html#ae5788785c2ce7f7ca6ff8dd4377771f3">00169</a> <a class="code" href="structr123m128i.html#ae5788785c2ce7f7ca6ff8dd4377771f3">operator const void*</a>()<span class="keyword"> const</span>{<span class="keywordflow">return</span> _bool()?<span class="keyword">this</span>:0;}
<a name="l00170"></a>00170 <span class="preprocessor">#endif</span>
<a name="l00171"></a><a class="code" href="structr123m128i.html#a80a5c24f76fec61b3ab0ed0e0353cfb7">00171</a> <span class="preprocessor"></span> <a class="code" href="structr123m128i.html#a80a5c24f76fec61b3ab0ed0e0353cfb7">operator __m128i</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> <a class="code" href="structr123m128i.html#a9b9908268281aace8028a3f34980634d">m</a>;}
<a name="l00172"></a>00172
<a name="l00173"></a>00173 <span class="keyword">private</span>:
<a name="l00174"></a>00174 <span class="preprocessor">#if R123_USE_SSE4_1</span>
<a name="l00175"></a>00175 <span class="preprocessor"></span> <span class="keywordtype">bool</span> _bool()<span class="keyword"> const</span>{ <span class="keywordflow">return</span> !_mm_testz_si128(<a class="code" href="structr123m128i.html#a9b9908268281aace8028a3f34980634d">m</a>,<a class="code" href="structr123m128i.html#a9b9908268281aace8028a3f34980634d">m</a>); }
<a name="l00176"></a>00176 <span class="preprocessor">#else</span>
<a name="l00177"></a>00177 <span class="preprocessor"></span> <span class="keywordtype">bool</span> _bool()<span class="keyword"> const</span>{ <span class="keywordflow">return</span> 0xf != _mm_movemask_ps(_mm_castsi128_ps(_mm_cmpeq_epi32(<a class="code" href="structr123m128i.html#a9b9908268281aace8028a3f34980634d">m</a>, _mm_setzero_si128()))); }
<a name="l00178"></a>00178 <span class="preprocessor">#endif</span>
<a name="l00179"></a>00179 <span class="preprocessor"></span>};
<a name="l00180"></a>00180
<a name="l00181"></a><a class="code" href="sse_8h.html#a2ffeb79e1a2cbb9cb35b0daf514a06a5">00181</a> R123_STATIC_INLINE <a class="code" href="structr123m128i.html">r123m128i</a>& <a class="code" href="sse_8h.html#a2ffeb79e1a2cbb9cb35b0daf514a06a5">operator++</a>(<a class="code" href="structr123m128i.html">r123m128i</a>& v){
<a name="l00182"></a>00182 __m128i& c = v.<a class="code" href="structr123m128i.html#a9b9908268281aace8028a3f34980634d">m</a>;
<a name="l00183"></a>00183 __m128i zeroone = _mm_set_epi64x(R123_64BIT(0), R123_64BIT(1));
<a name="l00184"></a>00184 c = _mm_add_epi64(c, zeroone);
<a name="l00185"></a>00185 <span class="comment">//return c;</span>
<a name="l00186"></a>00186 <span class="preprocessor">#if R123_USE_SSE4_1</span>
<a name="l00187"></a>00187 <span class="preprocessor"></span> __m128i zerofff = _mm_set_epi64x(0, ~(R123_64BIT(0)));
<a name="l00188"></a>00188 <span class="keywordflow">if</span>( R123_BUILTIN_EXPECT(_mm_testz_si128(c,zerofff), 0) ){
<a name="l00189"></a>00189 __m128i onezero = _mm_set_epi64x(R123_64BIT(1), R123_64BIT(0));
<a name="l00190"></a>00190 c = _mm_add_epi64(c, onezero);
<a name="l00191"></a>00191 }
<a name="l00192"></a>00192 <span class="preprocessor">#else</span>
<a name="l00193"></a>00193 <span class="preprocessor"></span> <span class="keywordtype">unsigned</span> mask = _mm_movemask_ps( _mm_castsi128_ps(_mm_cmpeq_epi32(c, _mm_setzero_si128())));
<a name="l00194"></a>00194 <span class="comment">// The low two bits of mask are 11 iff the low 64 bits of</span>
<a name="l00195"></a>00195 <span class="comment">// c are zero.</span>
<a name="l00196"></a>00196 <span class="keywordflow">if</span>( R123_BUILTIN_EXPECT((mask&0x3) == 0x3, 0) ){
<a name="l00197"></a>00197 __m128i onezero = _mm_set_epi64x(1,0);
<a name="l00198"></a>00198 c = _mm_add_epi64(c, onezero);
<a name="l00199"></a>00199 }
<a name="l00200"></a>00200 <span class="preprocessor">#endif</span>
<a name="l00201"></a>00201 <span class="preprocessor"></span> <span class="keywordflow">return</span> v;
<a name="l00202"></a>00202 }
<a name="l00203"></a>00203
<a name="l00204"></a><a class="code" href="sse_8h.html#a436d4467bb1389d42bfa67686218fd98">00204</a> R123_STATIC_INLINE <a class="code" href="structr123m128i.html">r123m128i</a>& <a class="code" href="sse_8h.html#a436d4467bb1389d42bfa67686218fd98">operator+=</a>(<a class="code" href="structr123m128i.html">r123m128i</a>& lhs, R123_ULONG_LONG n){
<a name="l00205"></a>00205 __m128i c = lhs.<a class="code" href="structr123m128i.html#a9b9908268281aace8028a3f34980634d">m</a>;
<a name="l00206"></a>00206 __m128i incr128 = _mm_set_epi64x(0, n);
<a name="l00207"></a>00207 c = _mm_add_epi64(c, incr128);
<a name="l00208"></a>00208 <span class="comment">// return c; // NO CARRY! </span>
<a name="l00209"></a>00209
<a name="l00210"></a>00210 int64_t lo64 = <a class="code" href="sse_8h.html#adac6aaf79c4428abcd30bf583eeb5450">_mm_extract_lo64</a>(c);
<a name="l00211"></a>00211 <span class="keywordflow">if</span>((uint64_t)lo64 < n)
<a name="l00212"></a>00212 c = _mm_add_epi64(c, _mm_set_epi64x(1,0));
<a name="l00213"></a>00213 lhs.<a class="code" href="structr123m128i.html#a9b9908268281aace8028a3f34980634d">m</a> = c;
<a name="l00214"></a>00214 <span class="keywordflow">return</span> lhs;
<a name="l00215"></a>00215 }
<a name="l00216"></a>00216
<a name="l00217"></a>00217 <span class="comment">// We need this one because it's present, but never used in r123array1xm128i::incr</span>
<a name="l00218"></a><a class="code" href="sse_8h.html#a43e11de33821f27448feb163162ec895">00218</a> R123_STATIC_INLINE <span class="keywordtype">bool</span> <a class="code" href="sse_8h.html#a43e11de33821f27448feb163162ec895">operator<=</a>(R123_ULONG_LONG, <span class="keyword">const</span> <a class="code" href="structr123m128i.html">r123m128i</a> &){
<a name="l00219"></a>00219 <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"operator<=(unsigned long long, r123m128i) is unimplemented."</span>);}
<a name="l00220"></a>00220
<a name="l00221"></a>00221 <span class="comment">// The comparisons aren't implemented, but if we leave them out, and </span>
<a name="l00222"></a>00222 <span class="comment">// somebody writes, e.g., M1 < M2, the compiler will do an implicit</span>
<a name="l00223"></a>00223 <span class="comment">// conversion through void*. Sigh...</span>
<a name="l00224"></a><a class="code" href="sse_8h.html#ac2c263fa443dd074fe4ff96710219eb8">00224</a> R123_STATIC_INLINE <span class="keywordtype">bool</span> <a class="code" href="sse_8h.html#ac2c263fa443dd074fe4ff96710219eb8">operator<</a>(<span class="keyword">const</span> <a class="code" href="structr123m128i.html">r123m128i</a>&, <span class="keyword">const</span> <a class="code" href="structr123m128i.html">r123m128i</a>&){
<a name="l00225"></a>00225 <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"operator<(r123m128i, r123m128i) is unimplemented."</span>);}
<a name="l00226"></a><a class="code" href="sse_8h.html#a9ce245b77f0638255e7138190d0ff4fd">00226</a> R123_STATIC_INLINE <span class="keywordtype">bool</span> <a class="code" href="sse_8h.html#a43e11de33821f27448feb163162ec895">operator<=</a>(<span class="keyword">const</span> <a class="code" href="structr123m128i.html">r123m128i</a>&, <span class="keyword">const</span> <a class="code" href="structr123m128i.html">r123m128i</a>&){
<a name="l00227"></a>00227 <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"operator<=(r123m128i, r123m128i) is unimplemented."</span>);}
<a name="l00228"></a><a class="code" href="sse_8h.html#ad07b59f8110eac57511ee8c2fa697f93">00228</a> R123_STATIC_INLINE <span class="keywordtype">bool</span> <a class="code" href="sse_8h.html#ad07b59f8110eac57511ee8c2fa697f93">operator></a>(<span class="keyword">const</span> <a class="code" href="structr123m128i.html">r123m128i</a>&, <span class="keyword">const</span> <a class="code" href="structr123m128i.html">r123m128i</a>&){
<a name="l00229"></a>00229 <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"operator>(r123m128i, r123m128i) is unimplemented."</span>);}
<a name="l00230"></a><a class="code" href="sse_8h.html#aa7bb0ad8bfceb39a1b71262b9476e151">00230</a> R123_STATIC_INLINE <span class="keywordtype">bool</span> <a class="code" href="sse_8h.html#aa7bb0ad8bfceb39a1b71262b9476e151">operator>=</a>(<span class="keyword">const</span> <a class="code" href="structr123m128i.html">r123m128i</a>&, <span class="keyword">const</span> <a class="code" href="structr123m128i.html">r123m128i</a>&){
<a name="l00231"></a>00231 <span class="keywordflow">throw</span> std::runtime_error(<span class="stringliteral">"operator>=(r123m128i, r123m128i) is unimplemented."</span>);}
<a name="l00232"></a>00232
<a name="l00233"></a><a class="code" href="sse_8h.html#ab1389a6d8b14bc380c6d6a6d4de8853e">00233</a> R123_STATIC_INLINE <span class="keywordtype">bool</span> <a class="code" href="sse_8h.html#ab1389a6d8b14bc380c6d6a6d4de8853e">operator==</a>(<span class="keyword">const</span> <a class="code" href="structr123m128i.html">r123m128i</a> &lhs, <span class="keyword">const</span> <a class="code" href="structr123m128i.html">r123m128i</a> &rhs){
<a name="l00234"></a>00234 <span class="keywordflow">return</span> 0xf==_mm_movemask_ps(_mm_castsi128_ps(_mm_cmpeq_epi32(lhs, rhs))); }
<a name="l00235"></a><a class="code" href="sse_8h.html#a9fc5dd462afc043229ab800abb8f7d64">00235</a> R123_STATIC_INLINE <span class="keywordtype">bool</span> <a class="code" href="sse_8h.html#a9fc5dd462afc043229ab800abb8f7d64">operator!=</a>(<span class="keyword">const</span> <a class="code" href="structr123m128i.html">r123m128i</a> &lhs, <span class="keyword">const</span> <a class="code" href="structr123m128i.html">r123m128i</a> &rhs){
<a name="l00236"></a>00236 <span class="keywordflow">return</span> !(lhs==rhs);}
<a name="l00237"></a><a class="code" href="sse_8h.html#a01fbbba16839c5938b3fa29668870db2">00237</a> R123_STATIC_INLINE <span class="keywordtype">bool</span> <a class="code" href="sse_8h.html#ab1389a6d8b14bc380c6d6a6d4de8853e">operator==</a>(R123_ULONG_LONG lhs, <span class="keyword">const</span> <a class="code" href="structr123m128i.html">r123m128i</a> &rhs){
<a name="l00238"></a>00238 <a class="code" href="structr123m128i.html">r123m128i</a> LHS; LHS.<a class="code" href="structr123m128i.html#a9b9908268281aace8028a3f34980634d">m</a>=_mm_set_epi64x(0, lhs); <span class="keywordflow">return</span> LHS == rhs; }
<a name="l00239"></a><a class="code" href="sse_8h.html#a76ef724b020add862a911a699a21451b">00239</a> R123_STATIC_INLINE <span class="keywordtype">bool</span> <a class="code" href="sse_8h.html#a9fc5dd462afc043229ab800abb8f7d64">operator!=</a>(R123_ULONG_LONG lhs, <span class="keyword">const</span> <a class="code" href="structr123m128i.html">r123m128i</a> &rhs){
<a name="l00240"></a>00240 <span class="keywordflow">return</span> !(lhs==rhs);}
<a name="l00241"></a><a class="code" href="sse_8h.html#af965b43e09e7305795c7b5a35d20c75f">00241</a> R123_STATIC_INLINE std::ostream& <a class="code" href="array_8h.html#af29a19da89789058ead246fdef153ce0">operator<<</a>(std::ostream& os, <span class="keyword">const</span> <a class="code" href="structr123m128i.html">r123m128i</a>& m){
<a name="l00242"></a>00242 <span class="keyword">union</span>{
<a name="l00243"></a>00243 uint64_t u64[2];
<a name="l00244"></a>00244 __m128i m;
<a name="l00245"></a>00245 }u;
<a name="l00246"></a>00246 _mm_storeu_si128(&u.m, m.<a class="code" href="structr123m128i.html#a9b9908268281aace8028a3f34980634d">m</a>);
<a name="l00247"></a>00247 <span class="keywordflow">return</span> os << u.u64[0] << <span class="stringliteral">" "</span> << u.u64[1];
<a name="l00248"></a>00248 }
<a name="l00249"></a>00249
<a name="l00250"></a><a class="code" href="sse_8h.html#a202aef4bea97c2203a82676cb6abba40">00250</a> R123_STATIC_INLINE std::istream& <a class="code" href="array_8h.html#ace3112deae6709884feac904b1c260a1">operator>></a>(std::istream& is, <a class="code" href="structr123m128i.html">r123m128i</a>& m){
<a name="l00251"></a>00251 uint64_t u64[2];
<a name="l00252"></a>00252 is >> u64[0] >> u64[1];
<a name="l00253"></a>00253 m.<a class="code" href="structr123m128i.html#a9b9908268281aace8028a3f34980634d">m</a> = _mm_set_epi64x(u64[1], u64[0]);
<a name="l00254"></a>00254 <span class="keywordflow">return</span> is;
<a name="l00255"></a>00255 }
<a name="l00256"></a>00256
<a name="l00257"></a>00257 <span class="keyword">template</span><<span class="keyword">typename</span> T> <span class="keyword">inline</span> T <a class="code" href="sse_8h.html#a99c42d1da8da3a4a273556a7817b5c1f">assemble_from_u32</a>(uint32_t *p32); <span class="comment">// forward declaration</span>
<a name="l00258"></a>00258
<a name="l00259"></a>00259 <span class="keyword">template</span> <>
<a name="l00260"></a>00260 <span class="keyword">inline</span> <a class="code" href="structr123m128i.html">r123m128i</a> <a class="code" href="sse_8h.html#a0cd6ca87c67023d7afda38319ab40e43">assemble_from_u32<r123m128i></a>(uint32_t *p32){
<a name="l00261"></a>00261 <a class="code" href="structr123m128i.html">r123m128i</a> ret;
<a name="l00262"></a>00262 ret.<a class="code" href="structr123m128i.html#a9b9908268281aace8028a3f34980634d">m</a> = _mm_set_epi32(p32[3], p32[2], p32[1], p32[0]);
<a name="l00263"></a>00263 <span class="keywordflow">return</span> ret;
<a name="l00264"></a>00264 }
<a name="l00265"></a>00265
<a name="l00266"></a>00266 <span class="preprocessor">#else</span>
<a name="l00267"></a>00267 <span class="preprocessor"></span>
<a name="l00268"></a>00268 <span class="keyword">typedef</span> <span class="keyword">struct </span>{
<a name="l00269"></a>00269 __m128i m;
<a name="l00270"></a>00270 } <a class="code" href="structr123m128i.html">r123m128i</a>;
<a name="l00271"></a>00271
<a name="l00272"></a>00272 <span class="preprocessor">#endif </span><span class="comment">/* __cplusplus */</span>
<a name="l00273"></a>00273
<a name="l00274"></a>00274 <span class="preprocessor">#else </span><span class="comment">/* !R123_USE_SSE */</span>
<a name="l00275"></a>00275 R123_STATIC_INLINE <span class="keywordtype">int</span> <a class="code" href="sse_8h.html#a0b35a046e85316295476d7d552411044">haveAESNI</a>(){
<a name="l00276"></a>00276 <span class="keywordflow">return</span> 0;
<a name="l00277"></a>00277 }
<a name="l00278"></a>00278 <span class="preprocessor">#endif </span><span class="comment">/* R123_USE_SSE */</span>
<a name="l00279"></a>00279
<a name="l00280"></a>00280 <span class="preprocessor">#endif </span><span class="comment">/* _Random123_sse_dot_h__ */</span>
</pre></div></div>
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