diff options
Diffstat (limited to 'src/3rdparty/tinycbor/src/cborinternal_p.h')
| -rw-r--r-- | src/3rdparty/tinycbor/src/cborinternal_p.h | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/src/3rdparty/tinycbor/src/cborinternal_p.h b/src/3rdparty/tinycbor/src/cborinternal_p.h index c5fe63003f..8dc0c13d3c 100644 --- a/src/3rdparty/tinycbor/src/cborinternal_p.h +++ b/src/3rdparty/tinycbor/src/cborinternal_p.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2018 Intel Corporation +** Copyright (C) 2019 Intel Corporation ** ** Permission is hereby granted, free of charge, to any person obtaining a copy ** of this software and associated documentation files (the "Software"), to deal @@ -37,15 +37,17 @@ #endif #ifndef CBOR_NO_HALF_FLOAT_TYPE -# ifdef __F16C__ +# if defined(__F16C__) || defined(__AVX2__) # include <immintrin.h> -static inline unsigned short encode_half(double val) +static inline unsigned short encode_half(float val) { - return _cvtss_sh((float)val, 3); + __m128i m = _mm_cvtps_ph(_mm_set_ss(val), _MM_FROUND_CUR_DIRECTION); + return _mm_extract_epi16(m, 0); } -static inline double decode_half(unsigned short half) +static inline float decode_half(unsigned short half) { - return _cvtsh_ss(half); + __m128i m = _mm_cvtsi32_si128(half); + return _mm_cvtss_f32(_mm_cvtph_ps(m)); } # else /* software implementation of float-to-fp16 conversions */ |