mirror of https://gitee.com/bigwinds/arangodb
44 lines
1.1 KiB
C++
44 lines
1.1 KiB
C++
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// Copyright Oliver Kowalke 2009.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#include <cstddef>
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#include <cstdlib>
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#include <cstring>
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#include <iostream>
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#include <emmintrin.h>
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#include <boost/context/all.hpp>
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void echoSSE( int i) {
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__m128i xmm;
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xmm = _mm_set_epi32( i, i + 1, i + 2, i + 3);
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uint32_t v32[4];
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memcpy( & v32, & xmm, 16);
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std::cout << v32[0];
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std::cout << v32[1];
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std::cout << v32[2];
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std::cout << v32[3];
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}
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boost::context::execution_context< int > echo( boost::context::execution_context< int > ctx, int i) {
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for (;;) {
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std::cout << i;
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echoSSE( i);
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std::cout << " ";
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std::tie( ctx, i) = ctx( 0);
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}
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return ctx;
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}
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int main( int argc, char * argv[]) {
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boost::context::execution_context< int > ctx( echo);
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for ( int i = 0; i < 10; ++i) {
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ctx = std::get< 0 >( ctx( i) );
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}
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std::cout << "\nDone" << std::endl;
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return EXIT_SUCCESS;
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}
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