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-rw-r--r--host/lib/convert/CMakeLists.txt10
-rw-r--r--host/lib/convert/convert_fc32_with_sse2.cpp (renamed from host/lib/convert/convert_with_sse2.cpp)6
-rw-r--r--host/lib/convert/convert_fc64_with_sse2.cpp212
3 files changed, 221 insertions, 7 deletions
diff --git a/host/lib/convert/CMakeLists.txt b/host/lib/convert/CMakeLists.txt
index 5f05b0cb8..e6e8ec088 100644
--- a/host/lib/convert/CMakeLists.txt
+++ b/host/lib/convert/CMakeLists.txt
@@ -36,13 +36,15 @@ CHECK_INCLUDE_FILE_CXX(emmintrin.h HAVE_EMMINTRIN_H)
UNSET(CMAKE_REQUIRED_FLAGS)
IF(HAVE_EMMINTRIN_H)
+ SET(convert_with_sse2_sources
+ ${CMAKE_CURRENT_SOURCE_DIR}/convert_fc32_with_sse2.cpp
+ ${CMAKE_CURRENT_SOURCE_DIR}/convert_fc64_with_sse2.cpp
+ )
SET_SOURCE_FILES_PROPERTIES(
- ${CMAKE_CURRENT_SOURCE_DIR}/convert_with_sse2.cpp
+ ${convert_with_sse2_sources}
PROPERTIES COMPILE_FLAGS "${EMMINTRIN_FLAGS}"
)
- LIBUHD_APPEND_SOURCES(
- ${CMAKE_CURRENT_SOURCE_DIR}/convert_with_sse2.cpp
- )
+ LIBUHD_APPEND_SOURCES(${convert_with_sse2_sources})
ENDIF(HAVE_EMMINTRIN_H)
########################################################################
diff --git a/host/lib/convert/convert_with_sse2.cpp b/host/lib/convert/convert_fc32_with_sse2.cpp
index 0649baab4..676e1561c 100644
--- a/host/lib/convert/convert_with_sse2.cpp
+++ b/host/lib/convert/convert_fc32_with_sse2.cpp
@@ -1,5 +1,5 @@
//
-// Copyright 2011-2011 Ettus Research LLC
+// Copyright 2011 Ettus Research LLC
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
@@ -33,7 +33,7 @@ DECLARE_CONVERTER(convert_fc32_1_to_item32_1_nswap, PRIORITY_CUSTOM){
__m128 tmplo = _mm_load ## _al_ ## ps(reinterpret_cast<const float *>(input+i+0)); \
__m128 tmphi = _mm_load ## _al_ ## ps(reinterpret_cast<const float *>(input+i+2)); \
\
- /* convert and scale */ \
+ /* convert and scale */ \
__m128i tmpilo = _mm_cvtps_epi32(_mm_mul_ps(tmplo, scalar)); \
__m128i tmpihi = _mm_cvtps_epi32(_mm_mul_ps(tmphi, scalar)); \
\
@@ -76,7 +76,7 @@ DECLARE_CONVERTER(convert_fc32_1_to_item32_1_bswap, PRIORITY_CUSTOM){
__m128 tmplo = _mm_load ## _al_ ## ps(reinterpret_cast<const float *>(input+i+0)); \
__m128 tmphi = _mm_load ## _al_ ## ps(reinterpret_cast<const float *>(input+i+2)); \
\
- /* convert and scale */ \
+ /* convert and scale */ \
__m128i tmpilo = _mm_cvtps_epi32(_mm_mul_ps(tmplo, scalar)); \
__m128i tmpihi = _mm_cvtps_epi32(_mm_mul_ps(tmphi, scalar)); \
\
diff --git a/host/lib/convert/convert_fc64_with_sse2.cpp b/host/lib/convert/convert_fc64_with_sse2.cpp
new file mode 100644
index 000000000..4d28396a4
--- /dev/null
+++ b/host/lib/convert/convert_fc64_with_sse2.cpp
@@ -0,0 +1,212 @@
+//
+// Copyright 2011 Ettus Research LLC
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#include "convert_common.hpp"
+#include <uhd/utils/byteswap.hpp>
+#include <emmintrin.h>
+
+using namespace uhd::convert;
+
+DECLARE_CONVERTER(convert_fc64_1_to_item32_1_nswap, PRIORITY_CUSTOM){
+ const fc64_t *input = reinterpret_cast<const fc64_t *>(inputs[0]);
+ item32_t *output = reinterpret_cast<item32_t *>(outputs[0]);
+
+ const __m128d scalar = _mm_set1_pd(scale_factor);
+
+ #define convert_fc64_1_to_item32_1_nswap_guts(_al_) \
+ for (; i+4 < nsamps; i+=4){ \
+ /* load from input */ \
+ __m128d tmp0 = _mm_load ## _al_ ## pd(reinterpret_cast<const double *>(input+i+0)); \
+ __m128d tmp1 = _mm_load ## _al_ ## pd(reinterpret_cast<const double *>(input+i+1)); \
+ __m128d tmp2 = _mm_load ## _al_ ## pd(reinterpret_cast<const double *>(input+i+2)); \
+ __m128d tmp3 = _mm_load ## _al_ ## pd(reinterpret_cast<const double *>(input+i+3)); \
+ \
+ /* convert and scale */ \
+ __m128i tmpi0 = _mm_cvttpd_epi32(_mm_mul_pd(tmp0, scalar)); \
+ __m128i tmpi1 = _mm_cvttpd_epi32(_mm_mul_pd(tmp1, scalar)); \
+ __m128i tmpilo = _mm_unpacklo_epi64(tmpi0, tmpi1); \
+ __m128i tmpi2 = _mm_cvttpd_epi32(_mm_mul_pd(tmp2, scalar)); \
+ __m128i tmpi3 = _mm_cvttpd_epi32(_mm_mul_pd(tmp3, scalar)); \
+ __m128i tmpihi = _mm_unpacklo_epi64(tmpi2, tmpi3); \
+ \
+ /* 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); \
+ } \
+
+ size_t i = 0;
+
+ //dispatch according to alignment
+ if ((size_t(input) & 0xf) == 0){
+ convert_fc64_1_to_item32_1_nswap_guts(_)
+ }
+ else{
+ convert_fc64_1_to_item32_1_nswap_guts(u_)
+ }
+
+ //convert remainder
+ for (; i < nsamps; i++){
+ output[i] = fc64_to_item32(input[i], scale_factor);
+ }
+}
+
+DECLARE_CONVERTER(convert_fc64_1_to_item32_1_bswap, PRIORITY_CUSTOM){
+ const fc64_t *input = reinterpret_cast<const fc64_t *>(inputs[0]);
+ item32_t *output = reinterpret_cast<item32_t *>(outputs[0]);
+
+ const __m128d scalar = _mm_set1_pd(scale_factor);
+
+ #define convert_fc64_1_to_item32_1_bswap_guts(_al_) \
+ for (; i+4 < nsamps; i+=4){ \
+ /* load from input */ \
+ __m128d tmp0 = _mm_load ## _al_ ## pd(reinterpret_cast<const double *>(input+i+0)); \
+ __m128d tmp1 = _mm_load ## _al_ ## pd(reinterpret_cast<const double *>(input+i+1)); \
+ __m128d tmp2 = _mm_load ## _al_ ## pd(reinterpret_cast<const double *>(input+i+2)); \
+ __m128d tmp3 = _mm_load ## _al_ ## pd(reinterpret_cast<const double *>(input+i+3)); \
+ \
+ /* convert and scale */ \
+ __m128i tmpi0 = _mm_cvttpd_epi32(_mm_mul_pd(tmp0, scalar)); \
+ __m128i tmpi1 = _mm_cvttpd_epi32(_mm_mul_pd(tmp1, scalar)); \
+ __m128i tmpilo = _mm_unpacklo_epi64(tmpi0, tmpi1); \
+ __m128i tmpi2 = _mm_cvttpd_epi32(_mm_mul_pd(tmp2, scalar)); \
+ __m128i tmpi3 = _mm_cvttpd_epi32(_mm_mul_pd(tmp3, scalar)); \
+ __m128i tmpihi = _mm_unpacklo_epi64(tmpi2, tmpi3); \
+ \
+ /* pack + byteswap -> byteswap 16 bit words */ \
+ __m128i tmpi = _mm_packs_epi32(tmpilo, tmpihi); \
+ tmpi = _mm_or_si128(_mm_srli_epi16(tmpi, 8), _mm_slli_epi16(tmpi, 8)); \
+ \
+ /* store to output */ \
+ _mm_storeu_si128(reinterpret_cast<__m128i *>(output+i), tmpi); \
+ } \
+
+ size_t i = 0;
+
+ //dispatch according to alignment
+ if ((size_t(input) & 0xf) == 0){
+ convert_fc64_1_to_item32_1_bswap_guts(_)
+ }
+ else{
+ convert_fc64_1_to_item32_1_bswap_guts(u_)
+ }
+
+ //convert remainder
+ for (; i < nsamps; i++){
+ output[i] = uhd::byteswap(fc64_to_item32(input[i], scale_factor));
+ }
+}
+
+DECLARE_CONVERTER(convert_item32_1_to_fc64_1_nswap, PRIORITY_CUSTOM){
+ const item32_t *input = reinterpret_cast<const item32_t *>(inputs[0]);
+ fc64_t *output = reinterpret_cast<fc64_t *>(outputs[0]);
+
+ const __m128d scalar = _mm_set1_pd(scale_factor/(1 << 16));
+ const __m128i zeroi = _mm_setzero_si128();
+
+ #define convert_item32_1_to_fc64_1_nswap_guts(_al_) \
+ for (; i+4 < nsamps; i+=4){ \
+ /* load from input */ \
+ __m128i tmpi = _mm_loadu_si128(reinterpret_cast<const __m128i *>(input+i)); \
+ \
+ /* 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); \
+ \
+ /* convert and scale */ \
+ __m128d tmp0 = _mm_mul_pd(_mm_cvtepi32_pd(tmpilo), scalar); \
+ tmpilo = _mm_unpackhi_epi64(tmpilo, zeroi); \
+ __m128d tmp1 = _mm_mul_pd(_mm_cvtepi32_pd(tmpilo), scalar); \
+ __m128d tmp2 = _mm_mul_pd(_mm_cvtepi32_pd(tmpihi), scalar); \
+ tmpihi = _mm_unpackhi_epi64(tmpihi, zeroi); \
+ __m128d tmp3 = _mm_mul_pd(_mm_cvtepi32_pd(tmpihi), scalar); \
+ \
+ /* store to output */ \
+ _mm_store ## _al_ ## pd(reinterpret_cast<double *>(output+i+0), tmp0); \
+ _mm_store ## _al_ ## pd(reinterpret_cast<double *>(output+i+1), tmp1); \
+ _mm_store ## _al_ ## pd(reinterpret_cast<double *>(output+i+2), tmp2); \
+ _mm_store ## _al_ ## pd(reinterpret_cast<double *>(output+i+3), tmp3); \
+ } \
+
+ size_t i = 0;
+
+ //dispatch according to alignment
+ if ((size_t(output) & 0xf) == 0){
+ convert_item32_1_to_fc64_1_nswap_guts(_)
+ }
+ else{
+ convert_item32_1_to_fc64_1_nswap_guts(u_)
+ }
+
+ //convert remainder
+ for (; i < nsamps; i++){
+ output[i] = item32_to_fc64(input[i], scale_factor);
+ }
+}
+
+DECLARE_CONVERTER(convert_item32_1_to_fc64_1_bswap, PRIORITY_CUSTOM){
+ const item32_t *input = reinterpret_cast<const item32_t *>(inputs[0]);
+ fc64_t *output = reinterpret_cast<fc64_t *>(outputs[0]);
+
+ const __m128d scalar = _mm_set1_pd(scale_factor/(1 << 16));
+ const __m128i zeroi = _mm_setzero_si128();
+
+ #define convert_item32_1_to_fc64_1_bswap_guts(_al_) \
+ for (; i+4 < nsamps; i+=4){ \
+ /* load from input */ \
+ __m128i tmpi = _mm_loadu_si128(reinterpret_cast<const __m128i *>(input+i)); \
+ \
+ /* byteswap + unpack -> byteswap 16 bit words */ \
+ tmpi = _mm_or_si128(_mm_srli_epi16(tmpi, 8), _mm_slli_epi16(tmpi, 8)); \
+ __m128i tmpilo = _mm_unpacklo_epi16(zeroi, tmpi); /* value in upper 16 bits */ \
+ __m128i tmpihi = _mm_unpackhi_epi16(zeroi, tmpi); \
+ \
+ /* convert and scale */ \
+ __m128d tmp0 = _mm_mul_pd(_mm_cvtepi32_pd(tmpilo), scalar); \
+ tmpilo = _mm_unpackhi_epi64(tmpilo, zeroi); \
+ __m128d tmp1 = _mm_mul_pd(_mm_cvtepi32_pd(tmpilo), scalar); \
+ __m128d tmp2 = _mm_mul_pd(_mm_cvtepi32_pd(tmpihi), scalar); \
+ tmpihi = _mm_unpackhi_epi64(tmpihi, zeroi); \
+ __m128d tmp3 = _mm_mul_pd(_mm_cvtepi32_pd(tmpihi), scalar); \
+ \
+ /* store to output */ \
+ _mm_store ## _al_ ## pd(reinterpret_cast<double *>(output+i+0), tmp0); \
+ _mm_store ## _al_ ## pd(reinterpret_cast<double *>(output+i+1), tmp1); \
+ _mm_store ## _al_ ## pd(reinterpret_cast<double *>(output+i+2), tmp2); \
+ _mm_store ## _al_ ## pd(reinterpret_cast<double *>(output+i+3), tmp3); \
+ } \
+
+ size_t i = 0;
+
+ //dispatch according to alignment
+ if ((size_t(output) & 0xf) == 0){
+ convert_item32_1_to_fc64_1_bswap_guts(_)
+ }
+ else{
+ convert_item32_1_to_fc64_1_bswap_guts(u_)
+ }
+
+ //convert remainder
+ for (; i < nsamps; i++){
+ output[i] = item32_to_fc64(uhd::byteswap(input[i]), scale_factor);
+ }
+}
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