update sources to v12.2.3

[ceph.git] / ceph / src / boost / libs / context / example / echosse.cpp

//          Copyright Oliver Kowalke 2009.
// Distributed under the Boost Software License, Version 1.0.
//    (See accompanying file LICENSE_1_0.txt or copy at
//          http://www.boost.org/LICENSE_1_0.txt)

#include <cstddef>
#include <cstdlib>
#include <cstring>
#include <iostream>
#include <emmintrin.h>

#include <boost/context/continuation.hpp>

namespace ctx = boost::context;

void echoSSE( int i) {
    __m128i xmm;
    xmm = _mm_set_epi32( i, i + 1, i + 2, i + 3);
    uint32_t v32[4];
    memcpy( & v32, & xmm, 16);
    std::cout << v32[0]; 
    std::cout << v32[1]; 
    std::cout << v32[2]; 
    std::cout << v32[3]; 
}


int main( int argc, char * argv[]) {
    int i = 0;
    ctx::continuation c = ctx::callcc(
        [&i](ctx::continuation && c) {
            for (;;) {
                std::cout << i;
                echoSSE( i);
                std::cout << " ";
                c = c.resume();
            }
            return std::move( c);
        });
    for (; i < 10; ++i) {
        c = c.resume();
    }
    std::cout << "\nmain: done" << std::endl;
    return EXIT_SUCCESS;
}