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workaround for missing intrinsic on GCC 7

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Matthias Hochsteger 2020-12-16 10:57:20 +01:00
parent bf855efd1b
commit e68d8cea9b
1 changed files with 9 additions and 0 deletions
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9
libsrc/core/simd_avx.hpp
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@ -11,6 +11,15 @@
namespace ngcore
{
#if defined(__GNUC__) && (__GNUC__ == 7)
// GCC7 does not have intrinsic _mm256_set_m128i, see
// https://stackoverflow.com/questions/32630458/setting-m256i-to-the-value-of-two-m128i-values
NETGEN_INLINE auto _mm256_set_m128i(__m128i v0, __m128i v1) {
return _mm256_insertf128_si256(_mm256_castsi128_si256(v1), (v0), 1);
}
#endif // defined(__GNUC__) && (__GNUC__ == 7)
#if defined(__AVX2__)
NETGEN_INLINE __m256i my_mm256_cmpgt_epi64 (__m256i a, __m256i b)
{