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Diffstat (limited to 'Transceiver52M/arch/x86/convolve_sse_3.c')
| -rw-r--r-- | Transceiver52M/arch/x86/convolve_sse_3.c | 542 |
1 files changed, 542 insertions, 0 deletions
diff --git a/Transceiver52M/arch/x86/convolve_sse_3.c b/Transceiver52M/arch/x86/convolve_sse_3.c new file mode 100644 index 0000000..dbee3cc --- /dev/null +++ b/Transceiver52M/arch/x86/convolve_sse_3.c @@ -0,0 +1,542 @@ +/* + * SSE Convolution + * Copyright (C) 2012, 2013 Thomas Tsou <tom@tsou.cc> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <malloc.h> +#include <string.h> +#include <stdio.h> +#include "convolve_sse_3.h" + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#ifdef HAVE_SSE3 +#include <xmmintrin.h> +#include <pmmintrin.h> + +/* 4-tap SSE complex-real convolution */ +void sse_conv_real4(const float *x, int x_len, + const float *h, int h_len, + float *y, int y_len, + int start, int len, int step, int offset) +{ + /* NOTE: The parameter list of this function has to match the parameter + * list of _base_convolve_real() in convolve_base.c. This specific + * implementation, ignores some of the parameters of + * _base_convolve_complex(), which are: x_len, y_len, offset, step */ + + __m128 m0, m1, m2, m3, m4, m5, m6, m7; + + const float *_x = &x[2 * (-(h_len - 1) + start)]; + + /* Load (aligned) filter taps */ + m0 = _mm_load_ps(&h[0]); + m1 = _mm_load_ps(&h[4]); + m7 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2)); + + for (int i = 0; i < len; i++) { + /* Load (unaligned) input data */ + m0 = _mm_loadu_ps(&_x[2 * i + 0]); + m1 = _mm_loadu_ps(&_x[2 * i + 4]); + m2 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2)); + m3 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3)); + + /* Quad multiply */ + m4 = _mm_mul_ps(m2, m7); + m5 = _mm_mul_ps(m3, m7); + + /* Sum and store */ + m6 = _mm_hadd_ps(m4, m5); + m0 = _mm_hadd_ps(m6, m6); + + _mm_store_ss(&y[2 * i + 0], m0); + m0 = _mm_shuffle_ps(m0, m0, _MM_SHUFFLE(0, 3, 2, 1)); + _mm_store_ss(&y[2 * i + 1], m0); + } +} + +/* 8-tap SSE complex-real convolution */ +void sse_conv_real8(const float *x, int x_len, + const float *h, int h_len, + float *y, int y_len, + int start, int len, int step, int offset) +{ + /* See NOTE in sse_conv_real4() */ + + __m128 m0, m1, m2, m3, m4, m5, m6, m7, m8, m9; + + const float *_x = &x[2 * (-(h_len - 1) + start)]; + + /* Load (aligned) filter taps */ + m0 = _mm_load_ps(&h[0]); + m1 = _mm_load_ps(&h[4]); + m2 = _mm_load_ps(&h[8]); + m3 = _mm_load_ps(&h[12]); + + m4 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2)); + m5 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(0, 2, 0, 2)); + + for (int i = 0; i < len; i++) { + /* Load (unaligned) input data */ + m0 = _mm_loadu_ps(&_x[2 * i + 0]); + m1 = _mm_loadu_ps(&_x[2 * i + 4]); + m2 = _mm_loadu_ps(&_x[2 * i + 8]); + m3 = _mm_loadu_ps(&_x[2 * i + 12]); + + m6 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2)); + m7 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3)); + m8 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(0, 2, 0, 2)); + m9 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(1, 3, 1, 3)); + + /* Quad multiply */ + m6 = _mm_mul_ps(m6, m4); + m7 = _mm_mul_ps(m7, m4); + m8 = _mm_mul_ps(m8, m5); + m9 = _mm_mul_ps(m9, m5); + + /* Sum and store */ + m6 = _mm_add_ps(m6, m8); + m7 = _mm_add_ps(m7, m9); + m6 = _mm_hadd_ps(m6, m7); + m6 = _mm_hadd_ps(m6, m6); + + _mm_store_ss(&y[2 * i + 0], m6); + m6 = _mm_shuffle_ps(m6, m6, _MM_SHUFFLE(0, 3, 2, 1)); + _mm_store_ss(&y[2 * i + 1], m6); + } +} + +/* 12-tap SSE complex-real convolution */ +void sse_conv_real12(const float *x, int x_len, + const float *h, int h_len, + float *y, int y_len, + int start, int len, int step, int offset) +{ + /* See NOTE in sse_conv_real4() */ + + __m128 m0, m1, m2, m3, m4, m5, m6, m7; + __m128 m8, m9, m10, m11, m12, m13, m14; + + const float *_x = &x[2 * (-(h_len - 1) + start)]; + + /* Load (aligned) filter taps */ + m0 = _mm_load_ps(&h[0]); + m1 = _mm_load_ps(&h[4]); + m2 = _mm_load_ps(&h[8]); + m3 = _mm_load_ps(&h[12]); + m4 = _mm_load_ps(&h[16]); + m5 = _mm_load_ps(&h[20]); + + m12 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2)); + m13 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(0, 2, 0, 2)); + m14 = _mm_shuffle_ps(m4, m5, _MM_SHUFFLE(0, 2, 0, 2)); + + for (int i = 0; i < len; i++) { + /* Load (unaligned) input data */ + m0 = _mm_loadu_ps(&_x[2 * i + 0]); + m1 = _mm_loadu_ps(&_x[2 * i + 4]); + m2 = _mm_loadu_ps(&_x[2 * i + 8]); + m3 = _mm_loadu_ps(&_x[2 * i + 12]); + + m4 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2)); + m5 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3)); + m6 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(0, 2, 0, 2)); + m7 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(1, 3, 1, 3)); + + m0 = _mm_loadu_ps(&_x[2 * i + 16]); + m1 = _mm_loadu_ps(&_x[2 * i + 20]); + + m8 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2)); + m9 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3)); + + /* Quad multiply */ + m0 = _mm_mul_ps(m4, m12); + m1 = _mm_mul_ps(m5, m12); + m2 = _mm_mul_ps(m6, m13); + m3 = _mm_mul_ps(m7, m13); + m4 = _mm_mul_ps(m8, m14); + m5 = _mm_mul_ps(m9, m14); + + /* Sum and store */ + m8 = _mm_add_ps(m0, m2); + m9 = _mm_add_ps(m1, m3); + m10 = _mm_add_ps(m8, m4); + m11 = _mm_add_ps(m9, m5); + + m2 = _mm_hadd_ps(m10, m11); + m3 = _mm_hadd_ps(m2, m2); + + _mm_store_ss(&y[2 * i + 0], m3); + m3 = _mm_shuffle_ps(m3, m3, _MM_SHUFFLE(0, 3, 2, 1)); + _mm_store_ss(&y[2 * i + 1], m3); + } +} + +/* 16-tap SSE complex-real convolution */ +void sse_conv_real16(const float *x, int x_len, + const float *h, int h_len, + float *y, int y_len, + int start, int len, int step, int offset) +{ + /* See NOTE in sse_conv_real4() */ + + __m128 m0, m1, m2, m3, m4, m5, m6, m7; + __m128 m8, m9, m10, m11, m12, m13, m14, m15; + + const float *_x = &x[2 * (-(h_len - 1) + start)]; + + /* Load (aligned) filter taps */ + m0 = _mm_load_ps(&h[0]); + m1 = _mm_load_ps(&h[4]); + m2 = _mm_load_ps(&h[8]); + m3 = _mm_load_ps(&h[12]); + + m4 = _mm_load_ps(&h[16]); + m5 = _mm_load_ps(&h[20]); + m6 = _mm_load_ps(&h[24]); + m7 = _mm_load_ps(&h[28]); + + m12 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2)); + m13 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(0, 2, 0, 2)); + m14 = _mm_shuffle_ps(m4, m5, _MM_SHUFFLE(0, 2, 0, 2)); + m15 = _mm_shuffle_ps(m6, m7, _MM_SHUFFLE(0, 2, 0, 2)); + + for (int i = 0; i < len; i++) { + /* Load (unaligned) input data */ + m0 = _mm_loadu_ps(&_x[2 * i + 0]); + m1 = _mm_loadu_ps(&_x[2 * i + 4]); + m2 = _mm_loadu_ps(&_x[2 * i + 8]); + m3 = _mm_loadu_ps(&_x[2 * i + 12]); + + m4 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2)); + m5 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3)); + m6 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(0, 2, 0, 2)); + m7 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(1, 3, 1, 3)); + + m0 = _mm_loadu_ps(&_x[2 * i + 16]); + m1 = _mm_loadu_ps(&_x[2 * i + 20]); + m2 = _mm_loadu_ps(&_x[2 * i + 24]); + m3 = _mm_loadu_ps(&_x[2 * i + 28]); + + m8 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2)); + m9 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3)); + m10 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(0, 2, 0, 2)); + m11 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(1, 3, 1, 3)); + + /* Quad multiply */ + m0 = _mm_mul_ps(m4, m12); + m1 = _mm_mul_ps(m5, m12); + m2 = _mm_mul_ps(m6, m13); + m3 = _mm_mul_ps(m7, m13); + + m4 = _mm_mul_ps(m8, m14); + m5 = _mm_mul_ps(m9, m14); + m6 = _mm_mul_ps(m10, m15); + m7 = _mm_mul_ps(m11, m15); + + /* Sum and store */ + m8 = _mm_add_ps(m0, m2); + m9 = _mm_add_ps(m1, m3); + m10 = _mm_add_ps(m4, m6); + m11 = _mm_add_ps(m5, m7); + + m0 = _mm_add_ps(m8, m10); + m1 = _mm_add_ps(m9, m11); + m2 = _mm_hadd_ps(m0, m1); + m3 = _mm_hadd_ps(m2, m2); + + _mm_store_ss(&y[2 * i + 0], m3); + m3 = _mm_shuffle_ps(m3, m3, _MM_SHUFFLE(0, 3, 2, 1)); + _mm_store_ss(&y[2 * i + 1], m3); + } +} + +/* 20-tap SSE complex-real convolution */ +void sse_conv_real20(const float *x, int x_len, + const float *h, int h_len, + float *y, int y_len, + int start, int len, int step, int offset) +{ + /* See NOTE in sse_conv_real4() */ + + __m128 m0, m1, m2, m3, m4, m5, m6, m7; + __m128 m8, m9, m11, m12, m13, m14, m15; + + const float *_x = &x[2 * (-(h_len - 1) + start)]; + + /* Load (aligned) filter taps */ + m0 = _mm_load_ps(&h[0]); + m1 = _mm_load_ps(&h[4]); + m2 = _mm_load_ps(&h[8]); + m3 = _mm_load_ps(&h[12]); + m4 = _mm_load_ps(&h[16]); + m5 = _mm_load_ps(&h[20]); + m6 = _mm_load_ps(&h[24]); + m7 = _mm_load_ps(&h[28]); + m8 = _mm_load_ps(&h[32]); + m9 = _mm_load_ps(&h[36]); + + m11 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2)); + m12 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(0, 2, 0, 2)); + m13 = _mm_shuffle_ps(m4, m5, _MM_SHUFFLE(0, 2, 0, 2)); + m14 = _mm_shuffle_ps(m6, m7, _MM_SHUFFLE(0, 2, 0, 2)); + m15 = _mm_shuffle_ps(m8, m9, _MM_SHUFFLE(0, 2, 0, 2)); + + for (int i = 0; i < len; i++) { + /* Multiply-accumulate first 12 taps */ + m0 = _mm_loadu_ps(&_x[2 * i + 0]); + m1 = _mm_loadu_ps(&_x[2 * i + 4]); + m2 = _mm_loadu_ps(&_x[2 * i + 8]); + m3 = _mm_loadu_ps(&_x[2 * i + 12]); + m4 = _mm_loadu_ps(&_x[2 * i + 16]); + m5 = _mm_loadu_ps(&_x[2 * i + 20]); + + m6 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2)); + m7 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3)); + m8 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(0, 2, 0, 2)); + m9 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(1, 3, 1, 3)); + m0 = _mm_shuffle_ps(m4, m5, _MM_SHUFFLE(0, 2, 0, 2)); + m1 = _mm_shuffle_ps(m4, m5, _MM_SHUFFLE(1, 3, 1, 3)); + + m2 = _mm_mul_ps(m6, m11); + m3 = _mm_mul_ps(m7, m11); + m4 = _mm_mul_ps(m8, m12); + m5 = _mm_mul_ps(m9, m12); + m6 = _mm_mul_ps(m0, m13); + m7 = _mm_mul_ps(m1, m13); + + m0 = _mm_add_ps(m2, m4); + m1 = _mm_add_ps(m3, m5); + m8 = _mm_add_ps(m0, m6); + m9 = _mm_add_ps(m1, m7); + + /* Multiply-accumulate last 8 taps */ + m0 = _mm_loadu_ps(&_x[2 * i + 24]); + m1 = _mm_loadu_ps(&_x[2 * i + 28]); + m2 = _mm_loadu_ps(&_x[2 * i + 32]); + m3 = _mm_loadu_ps(&_x[2 * i + 36]); + + m4 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2)); + m5 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3)); + m6 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(0, 2, 0, 2)); + m7 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(1, 3, 1, 3)); + + m0 = _mm_mul_ps(m4, m14); + m1 = _mm_mul_ps(m5, m14); + m2 = _mm_mul_ps(m6, m15); + m3 = _mm_mul_ps(m7, m15); + + m4 = _mm_add_ps(m0, m2); + m5 = _mm_add_ps(m1, m3); + + /* Final sum and store */ + m0 = _mm_add_ps(m8, m4); + m1 = _mm_add_ps(m9, m5); + m2 = _mm_hadd_ps(m0, m1); + m3 = _mm_hadd_ps(m2, m2); + + _mm_store_ss(&y[2 * i + 0], m3); + m3 = _mm_shuffle_ps(m3, m3, _MM_SHUFFLE(0, 3, 2, 1)); + _mm_store_ss(&y[2 * i + 1], m3); + } +} + +/* 4*N-tap SSE complex-real convolution */ +void sse_conv_real4n(const float *x, int x_len, + const float *h, int h_len, + float *y, int y_len, + int start, int len, int step, int offset) +{ + /* See NOTE in sse_conv_real4() */ + + __m128 m0, m1, m2, m4, m5, m6, m7; + + const float *_x = &x[2 * (-(h_len - 1) + start)]; + + for (int i = 0; i < len; i++) { + /* Zero */ + m6 = _mm_setzero_ps(); + m7 = _mm_setzero_ps(); + + for (int n = 0; n < h_len / 4; n++) { + /* Load (aligned) filter taps */ + m0 = _mm_load_ps(&h[8 * n + 0]); + m1 = _mm_load_ps(&h[8 * n + 4]); + m2 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2)); + + /* Load (unaligned) input data */ + m0 = _mm_loadu_ps(&_x[2 * i + 8 * n + 0]); + m1 = _mm_loadu_ps(&_x[2 * i + 8 * n + 4]); + m4 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2)); + m5 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3)); + + /* Quad multiply */ + m0 = _mm_mul_ps(m2, m4); + m1 = _mm_mul_ps(m2, m5); + + /* Accumulate */ + m6 = _mm_add_ps(m6, m0); + m7 = _mm_add_ps(m7, m1); + } + + m0 = _mm_hadd_ps(m6, m7); + m0 = _mm_hadd_ps(m0, m0); + + _mm_store_ss(&y[2 * i + 0], m0); + m0 = _mm_shuffle_ps(m0, m0, _MM_SHUFFLE(0, 3, 2, 1)); + _mm_store_ss(&y[2 * i + 1], m0); + } +} + +/* 4*N-tap SSE complex-complex convolution */ +void sse_conv_cmplx_4n(const float *x, int x_len, + const float *h, int h_len, + float *y, int y_len, + int start, int len, int step, int offset) +{ + /* NOTE: The parameter list of this function has to match the parameter + * list of _base_convolve_complex() in convolve_base.c. This specific + * implementation, ignores some of the parameters of + * _base_convolve_complex(), which are: x_len, y_len, offset, step. */ + + __m128 m0, m1, m2, m3, m4, m5, m6, m7; + + const float *_x = &x[2 * (-(h_len - 1) + start)]; + + for (int i = 0; i < len; i++) { + /* Zero */ + m6 = _mm_setzero_ps(); + m7 = _mm_setzero_ps(); + + for (int n = 0; n < h_len / 4; n++) { + /* Load (aligned) filter taps */ + m0 = _mm_load_ps(&h[8 * n + 0]); + m1 = _mm_load_ps(&h[8 * n + 4]); + m2 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2)); + m3 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3)); + + /* Load (unaligned) input data */ + m0 = _mm_loadu_ps(&_x[2 * i + 8 * n + 0]); + m1 = _mm_loadu_ps(&_x[2 * i + 8 * n + 4]); + m4 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2)); + m5 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3)); + + /* Quad multiply */ + m0 = _mm_mul_ps(m2, m4); + m1 = _mm_mul_ps(m3, m5); + + m2 = _mm_mul_ps(m2, m5); + m3 = _mm_mul_ps(m3, m4); + + /* Sum */ + m0 = _mm_sub_ps(m0, m1); + m2 = _mm_add_ps(m2, m3); + + /* Accumulate */ + m6 = _mm_add_ps(m6, m0); + m7 = _mm_add_ps(m7, m2); + } + + m0 = _mm_hadd_ps(m6, m7); + m0 = _mm_hadd_ps(m0, m0); + + _mm_store_ss(&y[2 * i + 0], m0); + m0 = _mm_shuffle_ps(m0, m0, _MM_SHUFFLE(0, 3, 2, 1)); + _mm_store_ss(&y[2 * i + 1], m0); + } +} + +/* 8*N-tap SSE complex-complex convolution */ +void sse_conv_cmplx_8n(const float *x, int x_len, + const float *h, int h_len, + float *y, int y_len, + int start, int len, int step, int offset) +{ + /* See NOTE in sse_conv_cmplx_4n() */ + + __m128 m0, m1, m2, m3, m4, m5, m6, m7; + __m128 m8, m9, m10, m11, m12, m13, m14, m15; + + const float *_x = &x[2 * (-(h_len - 1) + start)]; + + for (int i = 0; i < len; i++) { + /* Zero */ + m12 = _mm_setzero_ps(); + m13 = _mm_setzero_ps(); + m14 = _mm_setzero_ps(); + m15 = _mm_setzero_ps(); + + for (int n = 0; n < h_len / 8; n++) { + /* Load (aligned) filter taps */ + m0 = _mm_load_ps(&h[16 * n + 0]); + m1 = _mm_load_ps(&h[16 * n + 4]); + m2 = _mm_load_ps(&h[16 * n + 8]); + m3 = _mm_load_ps(&h[16 * n + 12]); + + m4 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2)); + m5 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3)); + m6 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(0, 2, 0, 2)); + m7 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(1, 3, 1, 3)); + + /* Load (unaligned) input data */ + m0 = _mm_loadu_ps(&_x[2 * i + 16 * n + 0]); + m1 = _mm_loadu_ps(&_x[2 * i + 16 * n + 4]); + m2 = _mm_loadu_ps(&_x[2 * i + 16 * n + 8]); + m3 = _mm_loadu_ps(&_x[2 * i + 16 * n + 12]); + + m8 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(0, 2, 0, 2)); + m9 = _mm_shuffle_ps(m0, m1, _MM_SHUFFLE(1, 3, 1, 3)); + m10 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(0, 2, 0, 2)); + m11 = _mm_shuffle_ps(m2, m3, _MM_SHUFFLE(1, 3, 1, 3)); + + /* Quad multiply */ + m0 = _mm_mul_ps(m4, m8); + m1 = _mm_mul_ps(m5, m9); + m2 = _mm_mul_ps(m6, m10); + m3 = _mm_mul_ps(m7, m11); + + m4 = _mm_mul_ps(m4, m9); + m5 = _mm_mul_ps(m5, m8); + m6 = _mm_mul_ps(m6, m11); + m7 = _mm_mul_ps(m7, m10); + + /* Sum */ + m0 = _mm_sub_ps(m0, m1); + m2 = _mm_sub_ps(m2, m3); + m4 = _mm_add_ps(m4, m5); + m6 = _mm_add_ps(m6, m7); + + /* Accumulate */ + m12 = _mm_add_ps(m12, m0); + m13 = _mm_add_ps(m13, m2); + m14 = _mm_add_ps(m14, m4); + m15 = _mm_add_ps(m15, m6); + } + + m0 = _mm_add_ps(m12, m13); + m1 = _mm_add_ps(m14, m15); + m2 = _mm_hadd_ps(m0, m1); + m2 = _mm_hadd_ps(m2, m2); + + _mm_store_ss(&y[2 * i + 0], m2); + m2 = _mm_shuffle_ps(m2, m2, _MM_SHUFFLE(0, 3, 2, 1)); + _mm_store_ss(&y[2 * i + 1], m2); + } +} +#endif |