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Diffstat (limited to 'host/lib/convert/sse2_sc8_to_fc32.cpp')
-rw-r--r--host/lib/convert/sse2_sc8_to_fc32.cpp132
1 files changed, 67 insertions, 65 deletions
diff --git a/host/lib/convert/sse2_sc8_to_fc32.cpp b/host/lib/convert/sse2_sc8_to_fc32.cpp
index 6d68850bf..aefda2b13 100644
--- a/host/lib/convert/sse2_sc8_to_fc32.cpp
+++ b/host/lib/convert/sse2_sc8_to_fc32.cpp
@@ -14,109 +14,111 @@ using namespace uhd::convert;
static const __m128i zeroi = _mm_setzero_si128();
template <const int shuf>
-UHD_INLINE void unpack_sc32_4x(
- const __m128i &in,
- __m128 &out0, __m128 &out1,
- __m128 &out2, __m128 &out3,
- const __m128 &scalar
-){
+UHD_INLINE void unpack_sc32_4x(const __m128i& in,
+ __m128& out0,
+ __m128& out1,
+ __m128& out2,
+ __m128& out3,
+ const __m128& scalar)
+{
const __m128i tmplo = _mm_unpacklo_epi8(zeroi, in); /* value in upper 8 bits */
- __m128i tmp0 = _mm_shuffle_epi32(_mm_unpacklo_epi16(zeroi, tmplo), shuf); /* value in upper 16 bits */
+ __m128i tmp0 = _mm_shuffle_epi32(
+ _mm_unpacklo_epi16(zeroi, tmplo), shuf); /* value in upper 16 bits */
__m128i tmp1 = _mm_shuffle_epi32(_mm_unpackhi_epi16(zeroi, tmplo), shuf);
- out0 = _mm_mul_ps(_mm_cvtepi32_ps(tmp0), scalar);
- out1 = _mm_mul_ps(_mm_cvtepi32_ps(tmp1), scalar);
+ out0 = _mm_mul_ps(_mm_cvtepi32_ps(tmp0), scalar);
+ out1 = _mm_mul_ps(_mm_cvtepi32_ps(tmp1), scalar);
const __m128i tmphi = _mm_unpackhi_epi8(zeroi, in);
- __m128i tmp2 = _mm_shuffle_epi32(_mm_unpacklo_epi16(zeroi, tmphi), shuf);
- __m128i tmp3 = _mm_shuffle_epi32(_mm_unpackhi_epi16(zeroi, tmphi), shuf);
- out2 = _mm_mul_ps(_mm_cvtepi32_ps(tmp2), scalar);
- out3 = _mm_mul_ps(_mm_cvtepi32_ps(tmp3), scalar);
+ __m128i tmp2 = _mm_shuffle_epi32(_mm_unpacklo_epi16(zeroi, tmphi), shuf);
+ __m128i tmp3 = _mm_shuffle_epi32(_mm_unpackhi_epi16(zeroi, tmphi), shuf);
+ out2 = _mm_mul_ps(_mm_cvtepi32_ps(tmp2), scalar);
+ out3 = _mm_mul_ps(_mm_cvtepi32_ps(tmp3), scalar);
}
-DECLARE_CONVERTER(sc8_item32_be, 1, fc32, 1, PRIORITY_SIMD){
- const item32_t *input = reinterpret_cast<const item32_t *>(size_t(inputs[0]) & ~0x3);
- fc32_t *output = reinterpret_cast<fc32_t *>(outputs[0]);
+DECLARE_CONVERTER(sc8_item32_be, 1, fc32, 1, PRIORITY_SIMD)
+{
+ const item32_t* input = reinterpret_cast<const item32_t*>(size_t(inputs[0]) & ~0x3);
+ fc32_t* output = reinterpret_cast<fc32_t*>(outputs[0]);
- const __m128 scalar = _mm_set_ps1(float(scale_factor)/(1 << 24));
- const int shuf = _MM_SHUFFLE(3, 2, 1, 0);
+ const __m128 scalar = _mm_set_ps1(float(scale_factor) / (1 << 24));
+ const int shuf = _MM_SHUFFLE(3, 2, 1, 0);
size_t i = 0, j = 0;
fc32_t dummy;
size_t num_samps = nsamps;
- if ((size_t(inputs[0]) & 0x3) != 0){
+ if ((size_t(inputs[0]) & 0x3) != 0) {
item32_sc8_to_xx<uhd::ntohx>(input++, output++, 1, scale_factor);
num_samps--;
}
- #define convert_sc8_item32_1_to_fc32_1_bswap_guts(_al_) \
- for (; j+7 < num_samps; j+=8, i+=4){ \
- /* load from input */ \
- __m128i tmpi = _mm_loadu_si128(reinterpret_cast<const __m128i *>(input+i)); \
- \
- /* unpack + swap 8-bit pairs */ \
- __m128 tmp0, tmp1, tmp2, tmp3; \
- unpack_sc32_4x<shuf>(tmpi, tmp0, tmp1, tmp2, tmp3, scalar); \
- \
- /* store to output */ \
- _mm_store ## _al_ ## ps(reinterpret_cast<float *>(output+j+0), tmp0); \
- _mm_store ## _al_ ## ps(reinterpret_cast<float *>(output+j+2), tmp1); \
- _mm_store ## _al_ ## ps(reinterpret_cast<float *>(output+j+4), tmp2); \
- _mm_store ## _al_ ## ps(reinterpret_cast<float *>(output+j+6), tmp3); \
+#define convert_sc8_item32_1_to_fc32_1_bswap_guts(_al_) \
+ for (; j + 7 < num_samps; j += 8, i += 4) { \
+ /* load from input */ \
+ __m128i tmpi = _mm_loadu_si128(reinterpret_cast<const __m128i*>(input + i)); \
+ \
+ /* unpack + swap 8-bit pairs */ \
+ __m128 tmp0, tmp1, tmp2, tmp3; \
+ unpack_sc32_4x<shuf>(tmpi, tmp0, tmp1, tmp2, tmp3, scalar); \
+ \
+ /* store to output */ \
+ _mm_store##_al_##ps(reinterpret_cast<float*>(output + j + 0), tmp0); \
+ _mm_store##_al_##ps(reinterpret_cast<float*>(output + j + 2), tmp1); \
+ _mm_store##_al_##ps(reinterpret_cast<float*>(output + j + 4), tmp2); \
+ _mm_store##_al_##ps(reinterpret_cast<float*>(output + j + 6), tmp3); \
}
- //dispatch according to alignment
- if ((size_t(output) & 0xf) == 0){
+ // dispatch according to alignment
+ if ((size_t(output) & 0xf) == 0) {
convert_sc8_item32_1_to_fc32_1_bswap_guts(_)
- }
- else{
+ } else {
convert_sc8_item32_1_to_fc32_1_bswap_guts(u_)
}
- //convert remainder
- item32_sc8_to_xx<uhd::ntohx>(input+i, output+j, num_samps-j, scale_factor);
+ // convert remainder
+ item32_sc8_to_xx<uhd::ntohx>(input + i, output + j, num_samps - j, scale_factor);
}
-DECLARE_CONVERTER(sc8_item32_le, 1, fc32, 1, PRIORITY_SIMD){
- const item32_t *input = reinterpret_cast<const item32_t *>(size_t(inputs[0]) & ~0x3);
- fc32_t *output = reinterpret_cast<fc32_t *>(outputs[0]);
+DECLARE_CONVERTER(sc8_item32_le, 1, fc32, 1, PRIORITY_SIMD)
+{
+ const item32_t* input = reinterpret_cast<const item32_t*>(size_t(inputs[0]) & ~0x3);
+ fc32_t* output = reinterpret_cast<fc32_t*>(outputs[0]);
- const __m128 scalar = _mm_set_ps1(float(scale_factor)/(1 << 24));
- const int shuf = _MM_SHUFFLE(0, 1, 2, 3);
+ const __m128 scalar = _mm_set_ps1(float(scale_factor) / (1 << 24));
+ const int shuf = _MM_SHUFFLE(0, 1, 2, 3);
size_t i = 0, j = 0;
fc32_t dummy;
size_t num_samps = nsamps;
- if ((size_t(inputs[0]) & 0x3) != 0){
+ if ((size_t(inputs[0]) & 0x3) != 0) {
item32_sc8_to_xx<uhd::wtohx>(input++, output++, 1, scale_factor);
num_samps--;
}
- #define convert_sc8_item32_1_to_fc32_1_nswap_guts(_al_) \
- for (; j+7 < num_samps; j+=8, i+=4){ \
- /* load from input */ \
- __m128i tmpi = _mm_loadu_si128(reinterpret_cast<const __m128i *>(input+i)); \
- \
- /* unpack + swap 8-bit pairs */ \
- __m128 tmp0, tmp1, tmp2, tmp3; \
- unpack_sc32_4x<shuf>(tmpi, tmp0, tmp1, tmp2, tmp3, scalar); \
- \
- /* store to output */ \
- _mm_store ## _al_ ## ps(reinterpret_cast<float *>(output+j+0), tmp0); \
- _mm_store ## _al_ ## ps(reinterpret_cast<float *>(output+j+2), tmp1); \
- _mm_store ## _al_ ## ps(reinterpret_cast<float *>(output+j+4), tmp2); \
- _mm_store ## _al_ ## ps(reinterpret_cast<float *>(output+j+6), tmp3); \
+#define convert_sc8_item32_1_to_fc32_1_nswap_guts(_al_) \
+ for (; j + 7 < num_samps; j += 8, i += 4) { \
+ /* load from input */ \
+ __m128i tmpi = _mm_loadu_si128(reinterpret_cast<const __m128i*>(input + i)); \
+ \
+ /* unpack + swap 8-bit pairs */ \
+ __m128 tmp0, tmp1, tmp2, tmp3; \
+ unpack_sc32_4x<shuf>(tmpi, tmp0, tmp1, tmp2, tmp3, scalar); \
+ \
+ /* store to output */ \
+ _mm_store##_al_##ps(reinterpret_cast<float*>(output + j + 0), tmp0); \
+ _mm_store##_al_##ps(reinterpret_cast<float*>(output + j + 2), tmp1); \
+ _mm_store##_al_##ps(reinterpret_cast<float*>(output + j + 4), tmp2); \
+ _mm_store##_al_##ps(reinterpret_cast<float*>(output + j + 6), tmp3); \
}
- //dispatch according to alignment
- if ((size_t(output) & 0xf) == 0){
+ // dispatch according to alignment
+ if ((size_t(output) & 0xf) == 0) {
convert_sc8_item32_1_to_fc32_1_nswap_guts(_)
- }
- else{
+ } else {
convert_sc8_item32_1_to_fc32_1_nswap_guts(u_)
}
- //convert remainder
- item32_sc8_to_xx<uhd::wtohx>(input+i, output+j, num_samps-j, scale_factor);
+ // convert remainder
+ item32_sc8_to_xx<uhd::wtohx>(input + i, output + j, num_samps - j, scale_factor);
}