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https://github.com/mpv-player/mpv
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ported 3dnow(ex) optimizations from libac3
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@3885 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
michael
parent
25cf84b3fc
commit
8066b4ad33
865
liba52/imdct.c
865
liba52/imdct.c
@ -21,6 +21,8 @@
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* SSE optimizations from Michael Niedermayer (michaelni@gmx.at)
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* 3DNOW optimizations from Nick Kurshev <nickols_k@mail.ru>
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* michael did port them from libac3 (untested, perhaps totally broken)
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*/
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#include "config.h"
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@ -37,6 +39,12 @@
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#include "a52_internal.h"
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#include "mm_accel.h"
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#ifdef RUNTIME_CPUDETECT
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#undef HAVE_3DNOWEX
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#endif
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#define USE_AC3_C
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void (* imdct_256) (sample_t data[], sample_t delay[], sample_t bias);
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void (* imdct_512) (sample_t data[], sample_t delay[], sample_t bias);
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@ -45,6 +53,20 @@ typedef struct complex_s {
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sample_t imag;
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} complex_t;
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static void fft_128p(complex_t *a);
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static void fft_128p_3dnow(complex_t *a);
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static const int pm128[128] __attribute__((aligned(16))) =
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{
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0, 16, 32, 48, 64, 80, 96, 112, 8, 40, 72, 104, 24, 56, 88, 120,
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4, 20, 36, 52, 68, 84, 100, 116, 12, 28, 44, 60, 76, 92, 108, 124,
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2, 18, 34, 50, 66, 82, 98, 114, 10, 42, 74, 106, 26, 58, 90, 122,
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6, 22, 38, 54, 70, 86, 102, 118, 14, 46, 78, 110, 30, 62, 94, 126,
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1, 17, 33, 49, 65, 81, 97, 113, 9, 41, 73, 105, 25, 57, 89, 121,
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5, 21, 37, 53, 69, 85, 101, 117, 13, 29, 45, 61, 77, 93, 109, 125,
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3, 19, 35, 51, 67, 83, 99, 115, 11, 43, 75, 107, 27, 59, 91, 123,
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7, 23, 39, 55, 71, 87, 103, 119, 15, 31, 47, 63, 79, 95, 111, 127
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};
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/* 128 point bit-reverse LUT */
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static uint8_t bit_reverse_512[] = {
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@ -189,21 +211,18 @@ imdct_do_512(sample_t data[],sample_t delay[], sample_t bias)
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/* 512 IMDCT with source and dest data in 'data' */
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/* Pre IFFT complex multiply plus IFFT cmplx conjugate */
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/* Pre IFFT complex multiply plus IFFT cmplx conjugate & reordering*/
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for( i=0; i < 128; i++) {
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/* z[i] = (X[256-2*i-1] + j * X[2*i]) * (xcos1[i] + j * xsin1[i]) ; */
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buf[i].real = (data[256-2*i-1] * xcos1[i]) - (data[2*i] * xsin1[i]);
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buf[i].imag = -1.0 * ((data[2*i] * xcos1[i]) + (data[256-2*i-1] * xsin1[i]));
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#ifdef USE_AC3_C
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int j= pm128[i];
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#else
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int j= bit_reverse_512[i];
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#endif
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buf[i].real = (data[256-2*j-1] * xcos1[j]) - (data[2*j] * xsin1[j]);
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buf[i].imag = -1.0 * ((data[2*j] * xcos1[j]) + (data[256-2*j-1] * xsin1[j]));
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}
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/* Bit reversed shuffling */
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for(i=0; i<128; i++) {
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k = bit_reverse_512[i];
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if (k < i)
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swap_cmplx(&buf[i],&buf[k]);
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}
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/* FFT Merge */
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/* unoptimized variant
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for (m=1; m < 7; m++) {
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@ -230,6 +249,10 @@ imdct_do_512(sample_t data[],sample_t delay[], sample_t bias)
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}
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}
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*/
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#ifdef USE_AC3_C
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fft_128p (&buf[0]);
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#else
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/* 1. iteration */
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for(i = 0; i < 128; i += 2) {
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tmp_a_r = buf[i].real;
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@ -320,7 +343,7 @@ imdct_do_512(sample_t data[],sample_t delay[], sample_t bias)
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}
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}
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}
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#endif
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/* Post IFFT complex multiply plus IFFT complex conjugate*/
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for( i=0; i < 128; i++) {
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/* y[n] = z[n] * (xcos1[n] + j * xsin1[n]) ; */
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@ -344,7 +367,7 @@ imdct_do_512(sample_t data[],sample_t delay[], sample_t bias)
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*data_ptr++ = -buf[i].real * *window_ptr++ + *delay_ptr++ + bias;
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*data_ptr++ = buf[128-i-1].imag * *window_ptr++ + *delay_ptr++ + bias;
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}
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/* The trailing edge of the window goes into the delay line */
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delay_ptr = delay;
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@ -360,6 +383,259 @@ imdct_do_512(sample_t data[],sample_t delay[], sample_t bias)
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}
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#ifdef ARCH_X86
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#include "srfftp_3dnow.h"
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const i_cmplx_t x_plus_minus_3dnow __attribute__ ((aligned (8))) = { 0x00000000UL, 0x80000000UL };
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const i_cmplx_t x_minus_plus_3dnow __attribute__ ((aligned (8))) = { 0x80000000UL, 0x00000000UL };
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const complex_t HSQRT2_3DNOW __attribute__ ((aligned (8))) = { 0.707106781188, 0.707106781188 };
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void
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imdct_do_512_3dnow(sample_t data[],sample_t delay[], sample_t bias)
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{
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int i,k;
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int p,q;
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int m;
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int two_m;
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int two_m_plus_one;
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sample_t tmp_a_i;
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sample_t tmp_a_r;
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sample_t tmp_b_i;
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sample_t tmp_b_r;
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sample_t *data_ptr;
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sample_t *delay_ptr;
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sample_t *window_ptr;
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/* 512 IMDCT with source and dest data in 'data' */
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/* Pre IFFT complex multiply plus IFFT cmplx conjugate & reordering*/
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#if 1
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__asm__ __volatile__ (
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"movq %0, %%mm7\n\t"
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::"m"(x_plus_minus_3dnow)
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:"memory");
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for( i=0; i < 128; i++) {
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int j = pm128[i];
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__asm__ __volatile__ (
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"movd %1, %%mm0\n\t"
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"movd %3, %%mm1\n\t"
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"punpckldq %2, %%mm0\n\t" /* mm0 = data[256-2*j-1] | data[2*j]*/
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"punpckldq %4, %%mm1\n\t" /* mm1 = xcos[j] | xsin[j] */
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"movq %%mm0, %%mm2\n\t"
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"pfmul %%mm1, %%mm0\n\t"
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#ifdef HAVE_3DNOWEX
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"pswapd %%mm1, %%mm1\n\t"
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#else
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"movq %%mm1, %%mm5\n\t"
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"psrlq $32, %%mm1\n\t"
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"punpckldq %%mm5, %%mm1\n\t"
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#endif
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"pfmul %%mm1, %%mm2\n\t"
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#ifdef HAVE_3DNOWEX
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"pfpnacc %%mm2, %%mm0\n\t"
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#else
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"pxor %%mm7, %%mm0\n\t"
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"pfacc %%mm2, %%mm0\n\t"
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#endif
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"pxor %%mm7, %%mm0\n\t"
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"movq %%mm0, %0"
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:"=m"(buf[i])
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:"m"(data[256-2*j-1]), "m"(data[2*j]), "m"(xcos1[j]), "m"(xsin1[j])
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:"memory"
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);
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/* buf[i].re = (data[256-2*j-1] * xcos1[j] - data[2*j] * xsin1[j]);
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buf[i].im = (data[256-2*j-1] * xsin1[j] + data[2*j] * xcos1[j])*(-1.0);*/
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}
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#else
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__asm__ __volatile__ ("femms":::"memory");
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for( i=0; i < 128; i++) {
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/* z[i] = (X[256-2*i-1] + j * X[2*i]) * (xcos1[i] + j * xsin1[i]) ; */
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int j= pm128[i];
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buf[i].real = (data[256-2*j-1] * xcos1[j]) - (data[2*j] * xsin1[j]);
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buf[i].imag = -1.0 * ((data[2*j] * xcos1[j]) + (data[256-2*j-1] * xsin1[j]));
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}
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#endif
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/* FFT Merge */
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/* unoptimized variant
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for (m=1; m < 7; m++) {
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if(m)
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two_m = (1 << m);
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else
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two_m = 1;
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two_m_plus_one = (1 << (m+1));
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for(i = 0; i < 128; i += two_m_plus_one) {
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for(k = 0; k < two_m; k++) {
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p = k + i;
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q = p + two_m;
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tmp_a_r = buf[p].real;
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tmp_a_i = buf[p].imag;
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tmp_b_r = buf[q].real * w[m][k].real - buf[q].imag * w[m][k].imag;
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tmp_b_i = buf[q].imag * w[m][k].real + buf[q].real * w[m][k].imag;
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buf[p].real = tmp_a_r + tmp_b_r;
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buf[p].imag = tmp_a_i + tmp_b_i;
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buf[q].real = tmp_a_r - tmp_b_r;
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buf[q].imag = tmp_a_i - tmp_b_i;
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}
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}
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}
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*/
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fft_128p_3dnow (&buf[0]);
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// asm volatile ("femms \n\t":::"memory");
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/* Post IFFT complex multiply plus IFFT complex conjugate*/
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#if 1
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__asm__ __volatile__ (
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"movq %0, %%mm7\n\t"
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"movq %1, %%mm6\n\t"
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::"m"(x_plus_minus_3dnow),
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"m"(x_minus_plus_3dnow)
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:"eax","memory");
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for (i=0; i < 128; i++) {
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__asm__ __volatile__ (
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"movq %1, %%mm0\n\t" /* ac3_buf[i].re | ac3_buf[i].im */
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"movq %%mm0, %%mm1\n\t" /* ac3_buf[i].re | ac3_buf[i].im */
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#ifndef HAVE_3DNOWEX
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"movq %%mm1, %%mm2\n\t"
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"psrlq $32, %%mm1\n\t"
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"punpckldq %%mm2, %%mm1\n\t"
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#else
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"pswapd %%mm1, %%mm1\n\t" /* ac3_buf[i].re | ac3_buf[i].im */
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#endif
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"movd %3, %%mm3\n\t" /* ac3_xsin[i] */
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"punpckldq %2, %%mm3\n\t" /* ac3_xsin[i] | ac3_xcos[i] */
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"pfmul %%mm3, %%mm0\n\t"
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"pfmul %%mm3, %%mm1\n\t"
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#ifndef HAVE_3DNOWEX
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"pxor %%mm7, %%mm0\n\t"
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"pfacc %%mm1, %%mm0\n\t"
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"movd %%mm0, 4%0\n\t"
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"psrlq $32, %%mm0\n\t"
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"movd %%mm0, %0\n\t"
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#else
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"pfpnacc %%mm1, %%mm0\n\t" /* mm0 = mm0[0] - mm0[1] | mm1[0] + mm1[1] */
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"pswapd %%mm0, %%mm0\n\t"
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"movq %%mm0, %0"
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#endif
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:"=m"(buf[i])
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:"m"(buf[i]),"m"(xcos1[i]),"m"(xsin1[i])
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:"memory");
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/* ac3_buf[i].re =(tmp_a_r * ac3_xcos1[i]) + (tmp_a_i * ac3_xsin1[i]);
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ac3_buf[i].im =(tmp_a_r * ac3_xsin1[i]) - (tmp_a_i * ac3_xcos1[i]);*/
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}
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#else
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__asm__ __volatile__ ("femms":::"memory");
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for( i=0; i < 128; i++) {
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/* y[n] = z[n] * (xcos1[n] + j * xsin1[n]) ; */
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tmp_a_r = buf[i].real;
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tmp_a_i = -1.0 * buf[i].imag;
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buf[i].real =(tmp_a_r * xcos1[i]) - (tmp_a_i * xsin1[i]);
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buf[i].imag =(tmp_a_r * xsin1[i]) + (tmp_a_i * xcos1[i]);
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}
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#endif
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data_ptr = data;
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delay_ptr = delay;
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window_ptr = imdct_window;
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/* Window and convert to real valued signal */
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#if 1
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asm volatile (
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"movd (%0), %%mm3 \n\t"
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"punpckldq %%mm3, %%mm3 \n\t"
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:: "r" (&bias)
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);
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for (i=0; i< 64; i++) {
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/* merge two loops in one to enable working of 2 decoders */
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__asm__ __volatile__ (
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"movd 516(%1), %%mm0\n\t"
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"movd (%1), %%mm1\n\t" /**data_ptr++=-buf[64+i].im**window_ptr+++*delay_ptr++;*/
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"punpckldq (%2), %%mm0\n\t"/*data_ptr[128]=-buf[i].re*window_ptr[128]+delay_ptr[128];*/
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"punpckldq 516(%2), %%mm1\n\t"
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"pfmul (%3), %%mm0\n\t"/**data_ptr++=buf[64-i-1].re**window_ptr+++*delay_ptr++;*/
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"pfmul 512(%3), %%mm1\n\t"
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"pxor %%mm6, %%mm0\n\t"/*data_ptr[128]=buf[128-i-1].im*window_ptr[128]+delay_ptr[128];*/
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"pxor %%mm6, %%mm1\n\t"
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"pfadd (%4), %%mm0\n\t"
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"pfadd 512(%4), %%mm1\n\t"
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"pfadd %%mm3, %%mm0\n\t"
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"pfadd %%mm3, %%mm1\n\t"
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"movq %%mm0, (%0)\n\t"
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"movq %%mm1, 512(%0)"
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:"=r"(data_ptr)
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:"r"(&buf[i].real), "r"(&buf[64-i-1].real), "r"(window_ptr), "r"(delay_ptr), "0"(data_ptr)
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:"memory");
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data_ptr += 2;
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window_ptr += 2;
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delay_ptr += 2;
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}
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window_ptr += 128;
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#else
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__asm__ __volatile__ ("femms":::"memory");
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for(i=0; i< 64; i++) {
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*data_ptr++ = -buf[64+i].imag * *window_ptr++ + *delay_ptr++ + bias;
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*data_ptr++ = buf[64-i-1].real * *window_ptr++ + *delay_ptr++ + bias;
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}
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for(i=0; i< 64; i++) {
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*data_ptr++ = -buf[i].real * *window_ptr++ + *delay_ptr++ + bias;
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*data_ptr++ = buf[128-i-1].imag * *window_ptr++ + *delay_ptr++ + bias;
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}
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#endif
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/* The trailing edge of the window goes into the delay line */
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delay_ptr = delay;
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#if 1
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for(i=0; i< 64; i++) {
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/* merge two loops in one to enable working of 2 decoders */
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window_ptr -=2;
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__asm__ __volatile__(
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"movd 508(%1), %%mm0\n\t"
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"movd (%1), %%mm1\n\t"
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"punpckldq (%2), %%mm0\n\t"
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"punpckldq 508(%2), %%mm1\n\t"
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#ifdef HAVE_3DNOWEX
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"pswapd (%3), %%mm3\n\t"
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"pswapd -512(%3), %%mm4\n\t"
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#else
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"movq (%3), %%mm3\n\t"/**delay_ptr++=-buf[64+i].re**--window_ptr;*/
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"movq -512(%3), %%mm4\n\t"
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"psrlq $32, %%mm3\n\t"/*delay_ptr[128]=buf[i].im**window_ptr[-512];*/
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"psrlq $32, %%mm4\n\t"/**delay_ptr++=buf[64-i-1].im**--window_ptr;*/
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"punpckldq (%3), %%mm3\n\t"/*delay_ptr[128]=-buf[128-i-1].re**window_ptr[-512];*/
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"punpckldq -512(%3), %%mm4\n\t"
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#endif
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"pfmul %%mm3, %%mm0\n\t"
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"pfmul %%mm4, %%mm1\n\t"
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"pxor %%mm6, %%mm0\n\t"
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"pxor %%mm7, %%mm1\n\t"
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"movq %%mm0, (%0)\n\t"
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"movq %%mm1, 512(%0)"
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:"=r"(delay_ptr)
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:"r"(&buf[i].imag), "r"(&buf[64-i-1].imag), "r"(window_ptr), "0"(delay_ptr)
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:"memory");
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delay_ptr += 2;
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}
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__asm__ __volatile__ ("femms":::"memory");
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#else
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__asm__ __volatile__ ("femms":::"memory");
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for(i=0; i< 64; i++) {
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*delay_ptr++ = -buf[64+i].real * *--window_ptr;
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*delay_ptr++ = buf[64-i-1].imag * *--window_ptr;
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}
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for(i=0; i<64; i++) {
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*delay_ptr++ = buf[i].imag * *--window_ptr;
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*delay_ptr++ = -buf[128-i-1].real * *--window_ptr;
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}
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#endif
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}
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void
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imdct_do_512_sse(sample_t data[],sample_t delay[], sample_t bias)
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{
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@ -831,8 +1107,9 @@ void imdct_init (uint32_t mm_accel)
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{
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int i, j, k;
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if(gCpuCaps.hasSSE) fprintf (stderr, "Using SSE optimized IMDCT transform\n");
|
||||
else fprintf (stderr, "No accelerated IMDCT transform found\n");
|
||||
if(gCpuCaps.hasSSE) fprintf (stderr, "Using SSE optimized IMDCT transform\n");
|
||||
else if(gCpuCaps.has3DNow) fprintf (stderr, "Using experimental 3DNow optimized IMDCT transform\n");
|
||||
else fprintf (stderr, "No accelerated IMDCT transform found\n");
|
||||
|
||||
/* Twiddle factors to turn IFFT into IMDCT */
|
||||
for (i = 0; i < 128; i++) {
|
||||
@ -908,8 +1185,564 @@ void imdct_init (uint32_t mm_accel)
|
||||
|
||||
imdct_512 = imdct_do_512;
|
||||
#ifdef ARCH_X86
|
||||
if(gCpuCaps.hasSSE) imdct_512 = imdct_do_512_sse;
|
||||
if(gCpuCaps.hasSSE) imdct_512 = imdct_do_512_sse;
|
||||
else if(gCpuCaps.has3DNow) imdct_512 = imdct_do_512_3dnow;
|
||||
#endif // arch_x86
|
||||
imdct_256 = imdct_do_256;
|
||||
}
|
||||
}
|
||||
|
||||
// Stuff below this line is borrowed from libac3
|
||||
#include "srfftp.h"
|
||||
|
||||
#ifdef ARCH_X86
|
||||
|
||||
static void fft_4_3dnow(complex_t *x)
|
||||
{
|
||||
/* delta_p = 1 here */
|
||||
/* x[k] = sum_{i=0..3} x[i] * w^{i*k}, w=e^{-2*pi/4}
|
||||
*/
|
||||
__asm__ __volatile__(
|
||||
"movq 24(%1), %%mm3\n\t"
|
||||
"movq 8(%1), %%mm1\n\t"
|
||||
"pxor %2, %%mm3\n\t" /* mm3.re | -mm3.im */
|
||||
"pxor %3, %%mm1\n\t" /* -mm1.re | mm1.im */
|
||||
"pfadd %%mm1, %%mm3\n\t" /* vi.im = x[3].re - x[1].re; */
|
||||
"movq %%mm3, %%mm4\n\t" /* vi.re =-x[3].im + x[1].im; mm4 = vi */
|
||||
#ifdef HAVE_3DNOWEX
|
||||
"pswapd %%mm4, %%mm4\n\t"
|
||||
#else
|
||||
"movq %%mm4, %%mm5\n\t"
|
||||
"psrlq $32, %%mm4\n\t"
|
||||
"punpckldq %%mm5, %%mm4\n\t"
|
||||
#endif
|
||||
"movq (%1), %%mm5\n\t" /* yb.re = x[0].re - x[2].re; */
|
||||
"movq (%1), %%mm6\n\t" /* yt.re = x[0].re + x[2].re; */
|
||||
"movq 24(%1), %%mm7\n\t" /* u.re = x[3].re + x[1].re; */
|
||||
"pfsub 16(%1), %%mm5\n\t" /* yb.im = x[0].im - x[2].im; mm5 = yb */
|
||||
"pfadd 16(%1), %%mm6\n\t" /* yt.im = x[0].im + x[2].im; mm6 = yt */
|
||||
"pfadd 8(%1), %%mm7\n\t" /* u.im = x[3].im + x[1].im; mm7 = u */
|
||||
|
||||
"movq %%mm6, %%mm0\n\t" /* x[0].re = yt.re + u.re; */
|
||||
"movq %%mm5, %%mm1\n\t" /* x[1].re = yb.re + vi.re; */
|
||||
"pfadd %%mm7, %%mm0\n\t" /*x[0].im = yt.im + u.im; */
|
||||
"pfadd %%mm4, %%mm1\n\t" /* x[1].im = yb.im + vi.im; */
|
||||
"movq %%mm0, (%0)\n\t"
|
||||
"movq %%mm1, 8(%0)\n\t"
|
||||
|
||||
"pfsub %%mm7, %%mm6\n\t" /* x[2].re = yt.re - u.re; */
|
||||
"pfsub %%mm4, %%mm5\n\t" /* x[3].re = yb.re - vi.re; */
|
||||
"movq %%mm6, 16(%0)\n\t" /* x[2].im = yt.im - u.im; */
|
||||
"movq %%mm5, 24(%0)" /* x[3].im = yb.im - vi.im; */
|
||||
:"=r"(x)
|
||||
:"0"(x),
|
||||
"m"(x_plus_minus_3dnow),
|
||||
"m"(x_minus_plus_3dnow)
|
||||
:"memory");
|
||||
}
|
||||
|
||||
static void fft_8_3dnow(complex_t *x)
|
||||
{
|
||||
/* delta_p = diag{1, sqrt(i)} here */
|
||||
/* x[k] = sum_{i=0..7} x[i] * w^{i*k}, w=e^{-2*pi/8}
|
||||
*/
|
||||
complex_t wT1, wB1, wB2;
|
||||
|
||||
__asm__ __volatile__(
|
||||
"movq 8(%2), %%mm0\n\t"
|
||||
"movq 24(%2), %%mm1\n\t"
|
||||
"movq %%mm0, %0\n\t" /* wT1 = x[1]; */
|
||||
"movq %%mm1, %1\n\t" /* wB1 = x[3]; */
|
||||
:"=m"(wT1), "=m"(wB1)
|
||||
:"r"(x)
|
||||
:"memory");
|
||||
|
||||
__asm__ __volatile__(
|
||||
"movq 16(%0), %%mm2\n\t"
|
||||
"movq 32(%0), %%mm3\n\t"
|
||||
"movq %%mm2, 8(%0)\n\t" /* x[1] = x[2]; */
|
||||
"movq 48(%0), %%mm4\n\t"
|
||||
"movq %%mm3, 16(%0)\n\t" /* x[2] = x[4]; */
|
||||
"movq %%mm4, 24(%0)\n\t" /* x[3] = x[6]; */
|
||||
:"=r"(x)
|
||||
:"0"(x)
|
||||
:"memory");
|
||||
|
||||
fft_4_3dnow(&x[0]);
|
||||
|
||||
/* x[0] x[4] x[2] x[6] */
|
||||
|
||||
__asm__ __volatile__(
|
||||
"movq 40(%1), %%mm0\n\t"
|
||||
"movq %%mm0, %%mm3\n\t"
|
||||
"movq 56(%1), %%mm1\n\t"
|
||||
"pfadd %%mm1, %%mm0\n\t"
|
||||
"pfsub %%mm1, %%mm3\n\t"
|
||||
"movq (%2), %%mm2\n\t"
|
||||
"pfadd %%mm2, %%mm0\n\t"
|
||||
"pfadd %%mm2, %%mm3\n\t"
|
||||
"movq (%3), %%mm1\n\t"
|
||||
"pfadd %%mm1, %%mm0\n\t"
|
||||
"pfsub %%mm1, %%mm3\n\t"
|
||||
"movq (%1), %%mm1\n\t"
|
||||
"movq 16(%1), %%mm4\n\t"
|
||||
"movq %%mm1, %%mm2\n\t"
|
||||
#ifdef HAVE_3DNOWEX
|
||||
"pswapd %%mm3, %%mm3\n\t"
|
||||
#else
|
||||
"movq %%mm3, %%mm6\n\t"
|
||||
"psrlq $32, %%mm3\n\t"
|
||||
"punpckldq %%mm6, %%mm3\n\t"
|
||||
#endif
|
||||
"pfadd %%mm0, %%mm1\n\t"
|
||||
"movq %%mm4, %%mm5\n\t"
|
||||
"pfsub %%mm0, %%mm2\n\t"
|
||||
"pfadd %%mm3, %%mm4\n\t"
|
||||
"movq %%mm1, (%0)\n\t"
|
||||
"pfsub %%mm3, %%mm5\n\t"
|
||||
"movq %%mm2, 32(%0)\n\t"
|
||||
"movd %%mm4, 16(%0)\n\t"
|
||||
"movd %%mm5, 48(%0)\n\t"
|
||||
"psrlq $32, %%mm4\n\t"
|
||||
"psrlq $32, %%mm5\n\t"
|
||||
"movd %%mm4, 52(%0)\n\t"
|
||||
"movd %%mm5, 20(%0)"
|
||||
:"=r"(x)
|
||||
:"0"(x), "r"(&wT1), "r"(&wB1)
|
||||
:"memory");
|
||||
|
||||
/* x[1] x[5] */
|
||||
__asm__ __volatile__ (
|
||||
"movq %6, %%mm6\n\t"
|
||||
"movq %5, %%mm7\n\t"
|
||||
"movq %1, %%mm0\n\t"
|
||||
"movq %2, %%mm1\n\t"
|
||||
"movq 56(%3), %%mm3\n\t"
|
||||
"pfsub 40(%3), %%mm0\n\t"
|
||||
#ifdef HAVE_3DNOWEX
|
||||
"pswapd %%mm1, %%mm1\n\t"
|
||||
#else
|
||||
"movq %%mm1, %%mm2\n\t"
|
||||
"psrlq $32, %%mm1\n\t"
|
||||
"punpckldq %%mm2,%%mm1\n\t"
|
||||
#endif
|
||||
"pxor %%mm7, %%mm1\n\t"
|
||||
"pfadd %%mm1, %%mm0\n\t"
|
||||
#ifdef HAVE_3DNOWEX
|
||||
"pswapd %%mm3, %%mm3\n\t"
|
||||
#else
|
||||
"movq %%mm3, %%mm2\n\t"
|
||||
"psrlq $32, %%mm3\n\t"
|
||||
"punpckldq %%mm2,%%mm3\n\t"
|
||||
#endif
|
||||
"pxor %%mm6, %%mm3\n\t"
|
||||
"pfadd %%mm3, %%mm0\n\t"
|
||||
"movq %%mm0, %%mm1\n\t"
|
||||
"pxor %%mm6, %%mm1\n\t"
|
||||
"pfacc %%mm1, %%mm0\n\t"
|
||||
"pfmul %4, %%mm0\n\t"
|
||||
|
||||
"movq 40(%3), %%mm5\n\t"
|
||||
#ifdef HAVE_3DNOWEX
|
||||
"pswapd %%mm5, %%mm5\n\t"
|
||||
#else
|
||||
"movq %%mm5, %%mm1\n\t"
|
||||
"psrlq $32, %%mm5\n\t"
|
||||
"punpckldq %%mm1,%%mm5\n\t"
|
||||
#endif
|
||||
"movq %%mm5, %0\n\t"
|
||||
|
||||
"movq 8(%3), %%mm1\n\t"
|
||||
"movq %%mm1, %%mm2\n\t"
|
||||
"pfsub %%mm0, %%mm1\n\t"
|
||||
"pfadd %%mm0, %%mm2\n\t"
|
||||
"movq %%mm1, 40(%3)\n\t"
|
||||
"movq %%mm2, 8(%3)\n\t"
|
||||
:"=m"(wB2)
|
||||
:"m"(wT1), "m"(wB1), "r"(x), "m"(HSQRT2_3DNOW),
|
||||
"m"(x_plus_minus_3dnow), "m"(x_minus_plus_3dnow)
|
||||
:"memory");
|
||||
|
||||
|
||||
/* x[3] x[7] */
|
||||
__asm__ __volatile__(
|
||||
"movq %1, %%mm0\n\t"
|
||||
#ifdef HAVE_3DNOWEX
|
||||
"pswapd %3, %%mm1\n\t"
|
||||
#else
|
||||
"movq %3, %%mm1\n\t"
|
||||
"psrlq $32, %%mm1\n\t"
|
||||
"punpckldq %3, %%mm1\n\t"
|
||||
#endif
|
||||
"pxor %%mm6, %%mm1\n\t"
|
||||
"pfadd %%mm1, %%mm0\n\t"
|
||||
"movq %2, %%mm2\n\t"
|
||||
"movq 56(%4), %%mm3\n\t"
|
||||
"pxor %%mm7, %%mm3\n\t"
|
||||
"pfadd %%mm3, %%mm2\n\t"
|
||||
#ifdef HAVE_3DNOWEX
|
||||
"pswapd %%mm2, %%mm2\n\t"
|
||||
#else
|
||||
"movq %%mm2, %%mm5\n\t"
|
||||
"psrlq $32, %%mm2\n\t"
|
||||
"punpckldq %%mm5,%%mm2\n\t"
|
||||
#endif
|
||||
"movq 24(%4), %%mm3\n\t"
|
||||
"pfsub %%mm2, %%mm0\n\t"
|
||||
"movq %%mm3, %%mm4\n\t"
|
||||
"movq %%mm0, %%mm1\n\t"
|
||||
"pxor %%mm6, %%mm0\n\t"
|
||||
"pfacc %%mm1, %%mm0\n\t"
|
||||
"pfmul %5, %%mm0\n\t"
|
||||
"movq %%mm0, %%mm1\n\t"
|
||||
"pxor %%mm6, %%mm1\n\t"
|
||||
"pxor %%mm7, %%mm0\n\t"
|
||||
"pfadd %%mm1, %%mm3\n\t"
|
||||
"pfadd %%mm0, %%mm4\n\t"
|
||||
"movq %%mm4, 24(%0)\n\t"
|
||||
"movq %%mm3, 56(%0)\n\t"
|
||||
:"=r"(x)
|
||||
:"m"(wT1), "m"(wB2), "m"(wB1), "0"(x), "m"(HSQRT2_3DNOW)
|
||||
:"memory");
|
||||
}
|
||||
|
||||
static void fft_asmb_3dnow(int k, complex_t *x, complex_t *wTB,
|
||||
const complex_t *d, const complex_t *d_3)
|
||||
{
|
||||
register complex_t *x2k, *x3k, *x4k, *wB;
|
||||
|
||||
TRANS_FILL_MM6_MM7_3DNOW();
|
||||
x2k = x + 2 * k;
|
||||
x3k = x2k + 2 * k;
|
||||
x4k = x3k + 2 * k;
|
||||
wB = wTB + 2 * k;
|
||||
|
||||
TRANSZERO_3DNOW(x[0],x2k[0],x3k[0],x4k[0]);
|
||||
TRANS_3DNOW(x[1],x2k[1],x3k[1],x4k[1],wTB[1],wB[1],d[1],d_3[1]);
|
||||
|
||||
--k;
|
||||
for(;;) {
|
||||
TRANS_3DNOW(x[2],x2k[2],x3k[2],x4k[2],wTB[2],wB[2],d[2],d_3[2]);
|
||||
TRANS_3DNOW(x[3],x2k[3],x3k[3],x4k[3],wTB[3],wB[3],d[3],d_3[3]);
|
||||
if (!--k) break;
|
||||
x += 2;
|
||||
x2k += 2;
|
||||
x3k += 2;
|
||||
x4k += 2;
|
||||
d += 2;
|
||||
d_3 += 2;
|
||||
wTB += 2;
|
||||
wB += 2;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
void fft_asmb16_3dnow(complex_t *x, complex_t *wTB)
|
||||
{
|
||||
int k = 2;
|
||||
|
||||
TRANS_FILL_MM6_MM7_3DNOW();
|
||||
/* transform x[0], x[8], x[4], x[12] */
|
||||
TRANSZERO_3DNOW(x[0],x[4],x[8],x[12]);
|
||||
|
||||
/* transform x[1], x[9], x[5], x[13] */
|
||||
TRANS_3DNOW(x[1],x[5],x[9],x[13],wTB[1],wTB[5],delta16[1],delta16_3[1]);
|
||||
|
||||
/* transform x[2], x[10], x[6], x[14] */
|
||||
TRANSHALF_16_3DNOW(x[2],x[6],x[10],x[14]);
|
||||
|
||||
/* transform x[3], x[11], x[7], x[15] */
|
||||
TRANS_3DNOW(x[3],x[7],x[11],x[15],wTB[3],wTB[7],delta16[3],delta16_3[3]);
|
||||
|
||||
}
|
||||
|
||||
static void fft_128p_3dnow(complex_t *a)
|
||||
{
|
||||
fft_8_3dnow(&a[0]); fft_4_3dnow(&a[8]); fft_4_3dnow(&a[12]);
|
||||
fft_asmb16_3dnow(&a[0], &a[8]);
|
||||
|
||||
fft_8_3dnow(&a[16]), fft_8_3dnow(&a[24]);
|
||||
fft_asmb_3dnow(4, &a[0], &a[16],&delta32[0], &delta32_3[0]);
|
||||
|
||||
fft_8_3dnow(&a[32]); fft_4_3dnow(&a[40]); fft_4_3dnow(&a[44]);
|
||||
fft_asmb16_3dnow(&a[32], &a[40]);
|
||||
|
||||
fft_8_3dnow(&a[48]); fft_4_3dnow(&a[56]); fft_4_3dnow(&a[60]);
|
||||
fft_asmb16_3dnow(&a[48], &a[56]);
|
||||
|
||||
fft_asmb_3dnow(8, &a[0], &a[32],&delta64[0], &delta64_3[0]);
|
||||
|
||||
fft_8_3dnow(&a[64]); fft_4_3dnow(&a[72]); fft_4_3dnow(&a[76]);
|
||||
/* fft_16(&a[64]); */
|
||||
fft_asmb16_3dnow(&a[64], &a[72]);
|
||||
|
||||
fft_8_3dnow(&a[80]); fft_8_3dnow(&a[88]);
|
||||
|
||||
/* fft_32(&a[64]); */
|
||||
fft_asmb_3dnow(4, &a[64], &a[80],&delta32[0], &delta32_3[0]);
|
||||
|
||||
fft_8_3dnow(&a[96]); fft_4_3dnow(&a[104]), fft_4_3dnow(&a[108]);
|
||||
/* fft_16(&a[96]); */
|
||||
fft_asmb16_3dnow(&a[96], &a[104]);
|
||||
|
||||
fft_8_3dnow(&a[112]), fft_8_3dnow(&a[120]);
|
||||
/* fft_32(&a[96]); */
|
||||
fft_asmb_3dnow(4, &a[96], &a[112], &delta32[0], &delta32_3[0]);
|
||||
|
||||
/* fft_128(&a[0]); */
|
||||
fft_asmb_3dnow(16, &a[0], &a[64], &delta128[0], &delta128_3[0]);
|
||||
}
|
||||
#endif //ARCH_X86
|
||||
|
||||
static void fft_asmb(int k, complex_t *x, complex_t *wTB,
|
||||
const complex_t *d, const complex_t *d_3)
|
||||
{
|
||||
register complex_t *x2k, *x3k, *x4k, *wB;
|
||||
register float a_r, a_i, a1_r, a1_i, u_r, u_i, v_r, v_i;
|
||||
|
||||
x2k = x + 2 * k;
|
||||
x3k = x2k + 2 * k;
|
||||
x4k = x3k + 2 * k;
|
||||
wB = wTB + 2 * k;
|
||||
|
||||
TRANSZERO(x[0],x2k[0],x3k[0],x4k[0]);
|
||||
TRANS(x[1],x2k[1],x3k[1],x4k[1],wTB[1],wB[1],d[1],d_3[1]);
|
||||
|
||||
--k;
|
||||
for(;;) {
|
||||
TRANS(x[2],x2k[2],x3k[2],x4k[2],wTB[2],wB[2],d[2],d_3[2]);
|
||||
TRANS(x[3],x2k[3],x3k[3],x4k[3],wTB[3],wB[3],d[3],d_3[3]);
|
||||
if (!--k) break;
|
||||
x += 2;
|
||||
x2k += 2;
|
||||
x3k += 2;
|
||||
x4k += 2;
|
||||
d += 2;
|
||||
d_3 += 2;
|
||||
wTB += 2;
|
||||
wB += 2;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
static void fft_asmb16(complex_t *x, complex_t *wTB)
|
||||
{
|
||||
register float a_r, a_i, a1_r, a1_i, u_r, u_i, v_r, v_i;
|
||||
int k = 2;
|
||||
|
||||
/* transform x[0], x[8], x[4], x[12] */
|
||||
TRANSZERO(x[0],x[4],x[8],x[12]);
|
||||
|
||||
/* transform x[1], x[9], x[5], x[13] */
|
||||
TRANS(x[1],x[5],x[9],x[13],wTB[1],wTB[5],delta16[1],delta16_3[1]);
|
||||
|
||||
/* transform x[2], x[10], x[6], x[14] */
|
||||
TRANSHALF_16(x[2],x[6],x[10],x[14]);
|
||||
|
||||
/* transform x[3], x[11], x[7], x[15] */
|
||||
TRANS(x[3],x[7],x[11],x[15],wTB[3],wTB[7],delta16[3],delta16_3[3]);
|
||||
|
||||
}
|
||||
|
||||
static void fft_4(complex_t *x)
|
||||
{
|
||||
/* delta_p = 1 here */
|
||||
/* x[k] = sum_{i=0..3} x[i] * w^{i*k}, w=e^{-2*pi/4}
|
||||
*/
|
||||
|
||||
register float yt_r, yt_i, yb_r, yb_i, u_r, u_i, vi_r, vi_i;
|
||||
|
||||
yt_r = x[0].real;
|
||||
yb_r = yt_r - x[2].real;
|
||||
yt_r += x[2].real;
|
||||
|
||||
u_r = x[1].real;
|
||||
vi_i = x[3].real - u_r;
|
||||
u_r += x[3].real;
|
||||
|
||||
u_i = x[1].imag;
|
||||
vi_r = u_i - x[3].imag;
|
||||
u_i += x[3].imag;
|
||||
|
||||
yt_i = yt_r;
|
||||
yt_i += u_r;
|
||||
x[0].real = yt_i;
|
||||
yt_r -= u_r;
|
||||
x[2].real = yt_r;
|
||||
yt_i = yb_r;
|
||||
yt_i += vi_r;
|
||||
x[1].real = yt_i;
|
||||
yb_r -= vi_r;
|
||||
x[3].real = yb_r;
|
||||
|
||||
yt_i = x[0].imag;
|
||||
yb_i = yt_i - x[2].imag;
|
||||
yt_i += x[2].imag;
|
||||
|
||||
yt_r = yt_i;
|
||||
yt_r += u_i;
|
||||
x[0].imag = yt_r;
|
||||
yt_i -= u_i;
|
||||
x[2].imag = yt_i;
|
||||
yt_r = yb_i;
|
||||
yt_r += vi_i;
|
||||
x[1].imag = yt_r;
|
||||
yb_i -= vi_i;
|
||||
x[3].imag = yb_i;
|
||||
}
|
||||
|
||||
|
||||
static void fft_8(complex_t *x)
|
||||
{
|
||||
/* delta_p = diag{1, sqrt(i)} here */
|
||||
/* x[k] = sum_{i=0..7} x[i] * w^{i*k}, w=e^{-2*pi/8}
|
||||
*/
|
||||
register float wT1_r, wT1_i, wB1_r, wB1_i, wT2_r, wT2_i, wB2_r, wB2_i;
|
||||
|
||||
wT1_r = x[1].real;
|
||||
wT1_i = x[1].imag;
|
||||
wB1_r = x[3].real;
|
||||
wB1_i = x[3].imag;
|
||||
|
||||
x[1] = x[2];
|
||||
x[2] = x[4];
|
||||
x[3] = x[6];
|
||||
fft_4(&x[0]);
|
||||
|
||||
|
||||
/* x[0] x[4] */
|
||||
wT2_r = x[5].real;
|
||||
wT2_r += x[7].real;
|
||||
wT2_r += wT1_r;
|
||||
wT2_r += wB1_r;
|
||||
wT2_i = wT2_r;
|
||||
wT2_r += x[0].real;
|
||||
wT2_i = x[0].real - wT2_i;
|
||||
x[0].real = wT2_r;
|
||||
x[4].real = wT2_i;
|
||||
|
||||
wT2_i = x[5].imag;
|
||||
wT2_i += x[7].imag;
|
||||
wT2_i += wT1_i;
|
||||
wT2_i += wB1_i;
|
||||
wT2_r = wT2_i;
|
||||
wT2_r += x[0].imag;
|
||||
wT2_i = x[0].imag - wT2_i;
|
||||
x[0].imag = wT2_r;
|
||||
x[4].imag = wT2_i;
|
||||
|
||||
/* x[2] x[6] */
|
||||
wT2_r = x[5].imag;
|
||||
wT2_r -= x[7].imag;
|
||||
wT2_r += wT1_i;
|
||||
wT2_r -= wB1_i;
|
||||
wT2_i = wT2_r;
|
||||
wT2_r += x[2].real;
|
||||
wT2_i = x[2].real - wT2_i;
|
||||
x[2].real = wT2_r;
|
||||
x[6].real = wT2_i;
|
||||
|
||||
wT2_i = x[5].real;
|
||||
wT2_i -= x[7].real;
|
||||
wT2_i += wT1_r;
|
||||
wT2_i -= wB1_r;
|
||||
wT2_r = wT2_i;
|
||||
wT2_r += x[2].imag;
|
||||
wT2_i = x[2].imag - wT2_i;
|
||||
x[2].imag = wT2_i;
|
||||
x[6].imag = wT2_r;
|
||||
|
||||
|
||||
/* x[1] x[5] */
|
||||
wT2_r = wT1_r;
|
||||
wT2_r += wB1_i;
|
||||
wT2_r -= x[5].real;
|
||||
wT2_r -= x[7].imag;
|
||||
wT2_i = wT1_i;
|
||||
wT2_i -= wB1_r;
|
||||
wT2_i -= x[5].imag;
|
||||
wT2_i += x[7].real;
|
||||
|
||||
wB2_r = wT2_r;
|
||||
wB2_r += wT2_i;
|
||||
wT2_i -= wT2_r;
|
||||
wB2_r *= HSQRT2;
|
||||
wT2_i *= HSQRT2;
|
||||
wT2_r = wB2_r;
|
||||
wB2_r += x[1].real;
|
||||
wT2_r = x[1].real - wT2_r;
|
||||
|
||||
wB2_i = x[5].real;
|
||||
x[1].real = wB2_r;
|
||||
x[5].real = wT2_r;
|
||||
|
||||
wT2_r = wT2_i;
|
||||
wT2_r += x[1].imag;
|
||||
wT2_i = x[1].imag - wT2_i;
|
||||
wB2_r = x[5].imag;
|
||||
x[1].imag = wT2_r;
|
||||
x[5].imag = wT2_i;
|
||||
|
||||
/* x[3] x[7] */
|
||||
wT1_r -= wB1_i;
|
||||
wT1_i += wB1_r;
|
||||
wB1_r = wB2_i - x[7].imag;
|
||||
wB1_i = wB2_r + x[7].real;
|
||||
wT1_r -= wB1_r;
|
||||
wT1_i -= wB1_i;
|
||||
wB1_r = wT1_r + wT1_i;
|
||||
wB1_r *= HSQRT2;
|
||||
wT1_i -= wT1_r;
|
||||
wT1_i *= HSQRT2;
|
||||
wB2_r = x[3].real;
|
||||
wB2_i = wB2_r + wT1_i;
|
||||
wB2_r -= wT1_i;
|
||||
x[3].real = wB2_i;
|
||||
x[7].real = wB2_r;
|
||||
wB2_i = x[3].imag;
|
||||
wB2_r = wB2_i + wB1_r;
|
||||
wB2_i -= wB1_r;
|
||||
x[3].imag = wB2_i;
|
||||
x[7].imag = wB2_r;
|
||||
}
|
||||
|
||||
|
||||
static void fft_128p(complex_t *a)
|
||||
{
|
||||
fft_8(&a[0]); fft_4(&a[8]); fft_4(&a[12]);
|
||||
fft_asmb16(&a[0], &a[8]);
|
||||
|
||||
fft_8(&a[16]), fft_8(&a[24]);
|
||||
fft_asmb(4, &a[0], &a[16],&delta32[0], &delta32_3[0]);
|
||||
|
||||
fft_8(&a[32]); fft_4(&a[40]); fft_4(&a[44]);
|
||||
fft_asmb16(&a[32], &a[40]);
|
||||
|
||||
fft_8(&a[48]); fft_4(&a[56]); fft_4(&a[60]);
|
||||
fft_asmb16(&a[48], &a[56]);
|
||||
|
||||
fft_asmb(8, &a[0], &a[32],&delta64[0], &delta64_3[0]);
|
||||
|
||||
fft_8(&a[64]); fft_4(&a[72]); fft_4(&a[76]);
|
||||
/* fft_16(&a[64]); */
|
||||
fft_asmb16(&a[64], &a[72]);
|
||||
|
||||
fft_8(&a[80]); fft_8(&a[88]);
|
||||
|
||||
/* fft_32(&a[64]); */
|
||||
fft_asmb(4, &a[64], &a[80],&delta32[0], &delta32_3[0]);
|
||||
|
||||
fft_8(&a[96]); fft_4(&a[104]), fft_4(&a[108]);
|
||||
/* fft_16(&a[96]); */
|
||||
fft_asmb16(&a[96], &a[104]);
|
||||
|
||||
fft_8(&a[112]), fft_8(&a[120]);
|
||||
/* fft_32(&a[96]); */
|
||||
fft_asmb(4, &a[96], &a[112], &delta32[0], &delta32_3[0]);
|
||||
|
||||
/* fft_128(&a[0]); */
|
||||
fft_asmb(16, &a[0], &a[64], &delta128[0], &delta128_3[0]);
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
116
liba52/srfftp.h
116
liba52/srfftp.h
@ -171,47 +171,47 @@ static complex_t delta128_3[32] __attribute__((aligned(16))) =
|
||||
#define HSQRT2 0.707106781188;
|
||||
|
||||
#define TRANSZERO(A0,A4,A8,A12) { \
|
||||
u_r = wTB[0].re; \
|
||||
v_i = u_r - wTB[k*2].re; \
|
||||
u_r += wTB[k*2].re; \
|
||||
u_i = wTB[0].im; \
|
||||
v_r = wTB[k*2].im - u_i; \
|
||||
u_i += wTB[k*2].im; \
|
||||
a_r = A0.re; \
|
||||
a_i = A0.im; \
|
||||
u_r = wTB[0].real; \
|
||||
v_i = u_r - wTB[k*2].real; \
|
||||
u_r += wTB[k*2].real; \
|
||||
u_i = wTB[0].imag; \
|
||||
v_r = wTB[k*2].imag - u_i; \
|
||||
u_i += wTB[k*2].imag; \
|
||||
a_r = A0.real; \
|
||||
a_i = A0.imag; \
|
||||
a1_r = a_r; \
|
||||
a1_r += u_r; \
|
||||
A0.re = a1_r; \
|
||||
A0.real = a1_r; \
|
||||
a_r -= u_r; \
|
||||
A8.re = a_r; \
|
||||
A8.real = a_r; \
|
||||
a1_i = a_i; \
|
||||
a1_i += u_i; \
|
||||
A0.im = a1_i; \
|
||||
A0.imag = a1_i; \
|
||||
a_i -= u_i; \
|
||||
A8.im = a_i; \
|
||||
a1_r = A4.re; \
|
||||
a1_i = A4.im; \
|
||||
A8.imag = a_i; \
|
||||
a1_r = A4.real; \
|
||||
a1_i = A4.imag; \
|
||||
a_r = a1_r; \
|
||||
a_r -= v_r; \
|
||||
A4.re = a_r; \
|
||||
A4.real = a_r; \
|
||||
a1_r += v_r; \
|
||||
A12.re = a1_r; \
|
||||
A12.real = a1_r; \
|
||||
a_i = a1_i; \
|
||||
a_i -= v_i; \
|
||||
A4.im = a_i; \
|
||||
A4.imag = a_i; \
|
||||
a1_i += v_i; \
|
||||
A12.im = a1_i; \
|
||||
A12.imag = a1_i; \
|
||||
}
|
||||
|
||||
#define TRANSHALF_16(A2,A6,A10,A14) {\
|
||||
u_r = wTB[2].re; \
|
||||
u_r = wTB[2].real; \
|
||||
a_r = u_r; \
|
||||
u_i = wTB[2].im; \
|
||||
u_i = wTB[2].imag; \
|
||||
u_r += u_i; \
|
||||
u_i -= a_r; \
|
||||
a_r = wTB[6].re; \
|
||||
a_r = wTB[6].real; \
|
||||
a1_r = a_r; \
|
||||
a_i = wTB[6].im; \
|
||||
a_i = wTB[6].imag; \
|
||||
a_r = a_i - a_r; \
|
||||
a_i += a1_r; \
|
||||
v_i = u_r - a_r; \
|
||||
@ -222,82 +222,82 @@ static complex_t delta128_3[32] __attribute__((aligned(16))) =
|
||||
v_r *= HSQRT2; \
|
||||
u_r *= HSQRT2; \
|
||||
u_i *= HSQRT2; \
|
||||
a_r = A2.re; \
|
||||
a_i = A2.im; \
|
||||
a_r = A2.real; \
|
||||
a_i = A2.imag; \
|
||||
a1_r = a_r; \
|
||||
a1_r += u_r; \
|
||||
A2.re = a1_r; \
|
||||
A2.real = a1_r; \
|
||||
a_r -= u_r; \
|
||||
A10.re = a_r; \
|
||||
A10.real = a_r; \
|
||||
a1_i = a_i; \
|
||||
a1_i += u_i; \
|
||||
A2.im = a1_i; \
|
||||
A2.imag = a1_i; \
|
||||
a_i -= u_i; \
|
||||
A10.im = a_i; \
|
||||
a1_r = A6.re; \
|
||||
a1_i = A6.im; \
|
||||
A10.imag = a_i; \
|
||||
a1_r = A6.real; \
|
||||
a1_i = A6.imag; \
|
||||
a_r = a1_r; \
|
||||
a1_r += v_r; \
|
||||
A6.re = a1_r; \
|
||||
A6.real = a1_r; \
|
||||
a_r -= v_r; \
|
||||
A14.re = a_r; \
|
||||
A14.real = a_r; \
|
||||
a_i = a1_i; \
|
||||
a1_i -= v_i; \
|
||||
A6.im = a1_i; \
|
||||
A6.imag = a1_i; \
|
||||
a_i += v_i; \
|
||||
A14.im = a_i; \
|
||||
A14.imag = a_i; \
|
||||
}
|
||||
|
||||
#define TRANS(A1,A5,A9,A13,WT,WB,D,D3) { \
|
||||
u_r = WT.re; \
|
||||
u_r = WT.real; \
|
||||
a_r = u_r; \
|
||||
a_r *= D.im; \
|
||||
u_r *= D.re; \
|
||||
a_i = WT.im; \
|
||||
a_r *= D.imag; \
|
||||
u_r *= D.real; \
|
||||
a_i = WT.imag; \
|
||||
a1_i = a_i; \
|
||||
a1_i *= D.re; \
|
||||
a_i *= D.im; \
|
||||
a1_i *= D.real; \
|
||||
a_i *= D.imag; \
|
||||
u_r -= a_i; \
|
||||
u_i = a_r; \
|
||||
u_i += a1_i; \
|
||||
a_r = WB.re; \
|
||||
a_r = WB.real; \
|
||||
a1_r = a_r; \
|
||||
a1_r *= D3.re; \
|
||||
a_r *= D3.im; \
|
||||
a_i = WB.im; \
|
||||
a1_r *= D3.real; \
|
||||
a_r *= D3.imag; \
|
||||
a_i = WB.imag; \
|
||||
a1_i = a_i; \
|
||||
a_i *= D3.re; \
|
||||
a1_i *= D3.im; \
|
||||
a_i *= D3.real; \
|
||||
a1_i *= D3.imag; \
|
||||
a1_r -= a1_i; \
|
||||
a_r += a_i; \
|
||||
v_i = u_r - a1_r; \
|
||||
u_r += a1_r; \
|
||||
v_r = a_r - u_i; \
|
||||
u_i += a_r; \
|
||||
a_r = A1.re; \
|
||||
a_i = A1.im; \
|
||||
a_r = A1.real; \
|
||||
a_i = A1.imag; \
|
||||
a1_r = a_r; \
|
||||
a1_r += u_r; \
|
||||
A1.re = a1_r; \
|
||||
A1.real = a1_r; \
|
||||
a_r -= u_r; \
|
||||
A9.re = a_r; \
|
||||
A9.real = a_r; \
|
||||
a1_i = a_i; \
|
||||
a1_i += u_i; \
|
||||
A1.im = a1_i; \
|
||||
A1.imag = a1_i; \
|
||||
a_i -= u_i; \
|
||||
A9.im = a_i; \
|
||||
a1_r = A5.re; \
|
||||
a1_i = A5.im; \
|
||||
A9.imag = a_i; \
|
||||
a1_r = A5.real; \
|
||||
a1_i = A5.imag; \
|
||||
a_r = a1_r; \
|
||||
a1_r -= v_r; \
|
||||
A5.re = a1_r; \
|
||||
A5.real = a1_r; \
|
||||
a_r += v_r; \
|
||||
A13.re = a_r; \
|
||||
A13.real = a_r; \
|
||||
a_i = a1_i; \
|
||||
a1_i -= v_i; \
|
||||
A5.im = a1_i; \
|
||||
A5.imag = a1_i; \
|
||||
a_i += v_i; \
|
||||
A13.im = a_i; \
|
||||
A13.imag = a_i; \
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
Loading…
Reference in New Issue
Block a user