example for SSE

example/v2/Jamfile.v2

@@ -57,3 +57,7 @@ exe ontop
 exe throw
     : throw.cpp
     ;
+
+exe echosse
+    : echosse.cpp
+    ;

example/v2/echosse.cpp

@@ -0,0 +1,42 @@
+
+//          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/all.hpp>
+
+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]; 
+}
+
+boost::context::execution_context< int > echo( boost::context::execution_context< int > ctx, int i) {
+    for (;;) {
+        std::cout << i;
+        echoSSE( i);
+        std::cout << " ";
+        std::tie( ctx, i) = ctx( 0);
+    }
+}
+
+int main( int argc, char * argv[]) {
+    boost::context::execution_context< int > ctx( echo);
+    for ( int i = 0; i < 10; ++i) {
+        ctx = std::get< 0 >( ctx( i) );
+    }
+    std::cout << "\nDone" << std::endl;
+    return EXIT_SUCCESS;
+}