diff options
Diffstat (limited to 'host/lib')
| -rw-r--r-- | host/lib/transport/convert_types_impl.hpp | 66 |
1 files changed, 29 insertions, 37 deletions
diff --git a/host/lib/transport/convert_types_impl.hpp b/host/lib/transport/convert_types_impl.hpp index 641029795..fdc859883 100644 --- a/host/lib/transport/convert_types_impl.hpp +++ b/host/lib/transport/convert_types_impl.hpp @@ -32,9 +32,6 @@ #include <emmintrin.h> #endif -//! shortcut for a byteswap16 with casting -#define BSWAP16_C(num) uhd::byteswap(boost::uint16_t(num)) - /*********************************************************************** * Typedefs **********************************************************************/ @@ -54,10 +51,9 @@ static UHD_INLINE void sc16_to_item32_nswap( static UHD_INLINE void sc16_to_item32_bswap( const sc16_t *input, item32_t *output, size_t nsamps ){ + const item32_t *item32_input = (const item32_t *)input; for (size_t i = 0; i < nsamps; i++){ - boost::uint16_t real = BSWAP16_C(input[i].real()); - boost::uint16_t imag = BSWAP16_C(input[i].imag()); - output[i] = (item32_t(real) << 0) | (item32_t(imag) << 16); + output[i] = uhd::byteswap(item32_input[i]); } } @@ -73,10 +69,9 @@ static UHD_INLINE void item32_to_sc16_nswap( static UHD_INLINE void item32_to_sc16_bswap( const item32_t *input, sc16_t *output, size_t nsamps ){ + item32_t *item32_output = (item32_t *)output; for (size_t i = 0; i < nsamps; i++){ - boost::int16_t real = BSWAP16_C(input[i] >> 0); - boost::int16_t imag = BSWAP16_C(input[i] >> 16); - output[i] = sc16_t(real, imag); + item32_output[i] = uhd::byteswap(input[i]); } } @@ -85,7 +80,11 @@ static UHD_INLINE void item32_to_sc16_bswap( **********************************************************************/ static const float shorts_per_float = float(32767); -#define FC32_TO_SC16_C(num) boost::int16_t(num*shorts_per_float) +static UHD_INLINE item32_t fc32_to_item32(fc32_t num){ + boost::uint16_t real = boost::int16_t(num.real()*shorts_per_float); + boost::uint16_t imag = boost::int16_t(num.imag()*shorts_per_float); + return (item32_t(real) << 16) | (item32_t(imag) << 0); +} //////////////////////////////////// // none-swap @@ -106,8 +105,10 @@ static UHD_INLINE void fc32_to_item32_nswap( __m128i tmpilo = _mm_cvtps_epi32(_mm_mul_ps(tmplo, scalar)); __m128i tmpihi = _mm_cvtps_epi32(_mm_mul_ps(tmphi, scalar)); - //pack + //pack + swap 16-bit pairs __m128i tmpi = _mm_packs_epi32(tmpilo, tmpihi); + tmpi = _mm_shufflelo_epi16(tmpi, _MM_SHUFFLE(2, 3, 0, 1)); + tmpi = _mm_shufflehi_epi16(tmpi, _MM_SHUFFLE(2, 3, 0, 1)); //store to output _mm_storeu_si128(reinterpret_cast<__m128i *>(output+i), tmpi); @@ -115,9 +116,7 @@ static UHD_INLINE void fc32_to_item32_nswap( //convert remainder for (; i < nsamps; i++){ - boost::uint16_t real = FC32_TO_SC16_C(input[i].real()); - boost::uint16_t imag = FC32_TO_SC16_C(input[i].imag()); - output[i] = (item32_t(real) << 0) | (item32_t(imag) << 16); + output[i] = fc32_to_item32(input[i]); } } @@ -126,9 +125,7 @@ static UHD_INLINE void fc32_to_item32_nswap( const fc32_t *input, item32_t *output, size_t nsamps ){ for (size_t i = 0; i < nsamps; i++){ - boost::uint16_t real = FC32_TO_SC16_C(input[i].real()); - boost::uint16_t imag = FC32_TO_SC16_C(input[i].imag()); - output[i] = (item32_t(real) << 0) | (item32_t(imag) << 16); + output[i] = fc32_to_item32(input[i]); } } @@ -163,9 +160,7 @@ static UHD_INLINE void fc32_to_item32_bswap( //convert remainder for (; i < nsamps; i++){ - boost::uint16_t real = BSWAP16_C(FC32_TO_SC16_C(input[i].real())); - boost::uint16_t imag = BSWAP16_C(FC32_TO_SC16_C(input[i].imag())); - output[i] = (item32_t(real) << 0) | (item32_t(imag) << 16); + output[i] = uhd::byteswap(fc32_to_item32(input[i])); } } @@ -174,9 +169,7 @@ static UHD_INLINE void fc32_to_item32_bswap( const fc32_t *input, item32_t *output, size_t nsamps ){ for (size_t i = 0; i < nsamps; i++){ - boost::uint16_t real = BSWAP16_C(FC32_TO_SC16_C(input[i].real())); - boost::uint16_t imag = BSWAP16_C(FC32_TO_SC16_C(input[i].imag())); - output[i] = (item32_t(real) << 0) | (item32_t(imag) << 16); + output[i] = uhd::byteswap(fc32_to_item32(input[i])); } } @@ -187,7 +180,12 @@ static UHD_INLINE void fc32_to_item32_bswap( **********************************************************************/ static const float floats_per_short = float(1.0/shorts_per_float); -#define I16_TO_FC32_C(num) (boost::int16_t(num)*floats_per_short) +static UHD_INLINE fc32_t item32_to_fc32(item32_t item){ + return fc32_t( + float(boost::int16_t(item >> 16)*floats_per_short), + float(boost::int16_t(item >> 0)*floats_per_short) + ); +} //////////////////////////////////// // none-swap @@ -204,7 +202,9 @@ static UHD_INLINE void item32_to_fc32_nswap( //load from input __m128i tmpi = _mm_loadu_si128(reinterpret_cast<const __m128i *>(input+i)); - //unpack + //unpack + swap 16-bit pairs + tmpi = _mm_shufflelo_epi16(tmpi, _MM_SHUFFLE(2, 3, 0, 1)); + tmpi = _mm_shufflehi_epi16(tmpi, _MM_SHUFFLE(2, 3, 0, 1)); __m128i tmpilo = _mm_unpacklo_epi16(zeroi, tmpi); //value in upper 16 bits __m128i tmpihi = _mm_unpackhi_epi16(zeroi, tmpi); @@ -219,9 +219,7 @@ static UHD_INLINE void item32_to_fc32_nswap( //convert remainder for (; i < nsamps; i++){ - float real = I16_TO_FC32_C(input[i] >> 0); - float imag = I16_TO_FC32_C(input[i] >> 16); - output[i] = fc32_t(real, imag); + output[i] = item32_to_fc32(input[i]); } } @@ -230,9 +228,7 @@ static UHD_INLINE void item32_to_fc32_nswap( const item32_t *input, fc32_t *output, size_t nsamps ){ for (size_t i = 0; i < nsamps; i++){ - float real = I16_TO_FC32_C(input[i] >> 0); - float imag = I16_TO_FC32_C(input[i] >> 16); - output[i] = fc32_t(real, imag); + output[i] = item32_to_fc32(input[i]); } } #endif @@ -268,9 +264,7 @@ static UHD_INLINE void item32_to_fc32_bswap( //convert remainder for (; i < nsamps; i++){ - float real = I16_TO_FC32_C(BSWAP16_C(input[i] >> 0)); - float imag = I16_TO_FC32_C(BSWAP16_C(input[i] >> 16)); - output[i] = fc32_t(real, imag); + output[i] = item32_to_fc32(uhd::byteswap(input[i])); } } @@ -279,9 +273,7 @@ static UHD_INLINE void item32_to_fc32_bswap( const item32_t *input, fc32_t *output, size_t nsamps ){ for (size_t i = 0; i < nsamps; i++){ - float real = I16_TO_FC32_C(BSWAP16_C(input[i] >> 0)); - float imag = I16_TO_FC32_C(BSWAP16_C(input[i] >> 16)); - output[i] = fc32_t(real, imag); + output[i] = item32_to_fc32(uhd::byteswap(input[i])); } } |