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Isolated emscripten in new lib

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Syrus
2019-01-10 21:37:59 -08:00
parent ab0dae6d0c
commit de459fa5bd
990 changed files with 136 additions and 857 deletions
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43
lib/emscripten/emtests/test_simd_dyncall.cpp Normal file
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// Copyright 2014 The Emscripten Authors. All rights reserved.
// Emscripten is available under two separate licenses, the MIT license and the
// University of Illinois/NCSA Open Source License. Both these licenses can be
// found in the LICENSE file.
#include <xmmintrin.h>
#include <stdio.h>
#include <string>
__m128 getSomeSIMD() {
union { __m128 m; float val[4]; } u;
u.val[0] = 1;
u.val[1] = 3.14159;
u.val[2] = -124234234.5;
u.val[3] = 99;
return u.m;
}
__attribute__((noinline)) std::string to_str(__m128 m)
{
union { __m128 m; float val[4]; } u;
u.m = m;
char str[256];
sprintf(str, "[%f,%f,%f,%f]", u.val[3], u.val[2], u.val[1], u.val[0]);
printf("%s\n", str);
return "?";
}
int main()
{
// part 1
__m128 m1 = _mm_set1_ps(1.f);
__m128 m2 = _mm_set1_ps(2.f);
__m128 ret = _mm_add_ps(m1, m2);
to_str(m1).c_str(), to_str(m2).c_str(), to_str(ret).c_str();
// part 2
typedef __m128 (*type)();
volatile type ptr;
ptr = &getSomeSIMD;
to_str(ptr());
}