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1 | |
2 | // Copyright Oliver Kowalke 2009. | |
3 | // Distributed under the Boost Software License, Version 1.0. | |
4 | // (See accompanying file LICENSE_1_0.txt or copy at | |
5 | // http://www.boost.org/LICENSE_1_0.txt) | |
6 | ||
7 | #include <cstddef> | |
8 | #include <cstdlib> | |
9 | #include <cstring> | |
10 | #include <iostream> | |
11 | #include <emmintrin.h> | |
12 | ||
13 | #include <boost/context/all.hpp> | |
14 | ||
15 | void echoSSE( int i) { | |
16 | __m128i xmm; | |
17 | xmm = _mm_set_epi32( i, i + 1, i + 2, i + 3); | |
18 | uint32_t v32[4]; | |
19 | memcpy( & v32, & xmm, 16); | |
20 | std::cout << v32[0]; | |
21 | std::cout << v32[1]; | |
22 | std::cout << v32[2]; | |
23 | std::cout << v32[3]; | |
24 | } | |
25 | ||
26 | boost::context::execution_context< int > echo( boost::context::execution_context< int > ctx, int i) { | |
27 | for (;;) { | |
28 | std::cout << i; | |
29 | echoSSE( i); | |
30 | std::cout << " "; | |
31 | std::tie( ctx, i) = ctx( 0); | |
32 | } | |
33 | return ctx; | |
34 | } | |
35 | ||
36 | int main( int argc, char * argv[]) { | |
37 | boost::context::execution_context< int > ctx( echo); | |
38 | for ( int i = 0; i < 10; ++i) { | |
39 | ctx = std::get< 0 >( ctx( i) ); | |
40 | } | |
41 | std::cout << "\nDone" << std::endl; | |
42 | return EXIT_SUCCESS; | |
43 | } |