More fixes for 32-bit.

This commit is contained in:
Antonio Sánchez
2024-03-26 22:53:38 +00:00
committed by Rasmus Munk Larsen
parent de304ab960
commit c8d368bdaf
4 changed files with 46 additions and 30 deletions

View File

@@ -402,21 +402,6 @@ struct unpacket_traits<Packet8bf> {
};
};
// Work around lack of extract/cvt for epi64 when compiling for 32-bit.
#if EIGEN_ARCH_x86_64
EIGEN_ALWAYS_INLINE int64_t _mm_extract_epi64_0(const __m128i& a) { return _mm_cvtsi128_si64(a); }
EIGEN_ALWAYS_INLINE int64_t _mm_extract_epi64_1(const __m128i& a) { return _mm_extract_epi64(a, 1); }
#else
// epi64 instructions are not available. The following seems to generate the same instructions
// with -O2 in GCC/Clang.
EIGEN_ALWAYS_INLINE int64_t _mm_extract_epi64_0(const __m128i& a) {
return numext::bit_cast<int64_t>(_mm_cvtsd_f64(_mm_castsi128_pd(a)));
}
EIGEN_ALWAYS_INLINE int64_t _mm_extract_epi64_1(const __m128i& a) {
return numext::bit_cast<int64_t>(_mm_cvtsd_f64(_mm_shuffle_pd(_mm_castsi128_pd(a), _mm_castsi128_pd(a), 0x1)));
}
#endif
// Helper function for bit packing snippet of low precision comparison.
// It packs the flags from 16x16 to 8x16.
EIGEN_STRONG_INLINE __m128i Pack16To8(Packet8f rf) {