mirror of
https://github.com/fluencelabs/wasmer
synced 2024-12-13 22:25:40 +00:00
74 lines
1.9 KiB
C
74 lines
1.9 KiB
C
/*
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* Copyright 2016 The Emscripten Authors. All rights reserved.
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* Emscripten is available under two separate licenses, the MIT license and the
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* University of Illinois/NCSA Open Source License. Both these licenses can be
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* found in the LICENSE file.
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*/
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#include <assert.h>
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#include <stdio.h>
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#include <string.h>
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#include <xmmintrin.h>
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/*
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* x86 _mm_max_ps and _mm_min_ps have defined semantics or NaN and -0.0. Ensure
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* that we implement them properly.
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*/
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volatile __m128 negzero;
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volatile __m128 zero;
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volatile __m128 nan_;
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volatile __m128 one;
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int main() {
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negzero = _mm_set1_ps(-0.0);
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zero = _mm_set1_ps(0.0);
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one = _mm_set1_ps(1.0);
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nan_ = _mm_set1_ps(__builtin_nan(""));
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__m128 expected, result;
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result = _mm_max_ps(negzero, zero);
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expected = zero;
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assert(memcmp(&result, &expected, sizeof(__m128)) == 0);
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result = _mm_max_ps(zero, negzero);
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expected = negzero;
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assert(memcmp(&result, &expected, sizeof(__m128)) == 0);
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result = _mm_max_ps(nan_, zero);
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expected = zero;
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assert(memcmp(&result, &expected, sizeof(__m128)) == 0);
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result = _mm_max_ps(zero, nan_);
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expected = nan_;
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assert(memcmp(&result, &expected, sizeof(__m128)) == 0);
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result = _mm_max_ps(zero, one);
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expected = one;
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assert(memcmp(&result, &expected, sizeof(__m128)) == 0);
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result = _mm_min_ps(negzero, zero);
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expected = zero;
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assert(memcmp(&result, &expected, sizeof(__m128)) == 0);
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result = _mm_min_ps(zero, negzero);
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expected = negzero;
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assert(memcmp(&result, &expected, sizeof(__m128)) == 0);
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result = _mm_min_ps(nan_, zero);
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expected = zero;
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assert(memcmp(&result, &expected, sizeof(__m128)) == 0);
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result = _mm_min_ps(zero, nan_);
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expected = nan_;
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assert(memcmp(&result, &expected, sizeof(__m128)) == 0);
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result = _mm_min_ps(zero, one);
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expected = zero;
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assert(memcmp(&result, &expected, sizeof(__m128)) == 0);
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printf("DONE");
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return 0;
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}
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