mirror of https://github.com/mpv-player/mpv
Restore K7 support
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@4498 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
nick
parent
f6720f6a82
commit
2fe888069c
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@ -570,6 +570,7 @@ case AFM_A52: {
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if(gCpuCaps.hasMMX) a52_accel|=MM_ACCEL_X86_MMX;
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if(gCpuCaps.hasMMX2) a52_accel|=MM_ACCEL_X86_MMXEXT;
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if(gCpuCaps.has3DNow) a52_accel|=MM_ACCEL_X86_3DNOW;
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if(gCpuCaps.has3DNowExt) a52_accel|=MM_ACCEL_X86_3DNOWEXT;
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a52_samples=a52_init (a52_accel);
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if (a52_samples == NULL) {
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mp_msg(MSGT_DECAUDIO,MSGL_ERR,"A52 init failed\n");
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583
liba52/imdct.c
583
liba52/imdct.c
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@ -54,7 +54,6 @@ typedef struct complex_s {
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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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@ -382,259 +381,22 @@ imdct_do_512(sample_t data[],sample_t delay[], sample_t bias)
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}
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}
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// Stuff below this line is borrowed from libac3
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#include "srfftp.h"
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#ifdef ARCH_X86
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#ifndef HAVE_3DNOW
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#define HAVE_3DNOW 1
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#endif
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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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#undef HAVE_3DNOWEX
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#include "imdct_3dnow.h"
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#define HAVE_3DNOWEX
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#include "imdct_3dnow.h"
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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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@ -1107,10 +869,6 @@ void imdct_init (uint32_t mm_accel)
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{
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int i, j, k;
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if(mm_accel & MM_ACCEL_X86_SSE) fprintf (stderr, "Using SSE optimized IMDCT transform\n");
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else if(mm_accel & MM_ACCEL_X86_3DNOW) fprintf (stderr, "Using 3DNow optimized IMDCT transform\n");
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else fprintf (stderr, "No accelerated IMDCT transform found\n");
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/* Twiddle factors to turn IFFT into IMDCT */
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for (i = 0; i < 128; i++) {
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xcos1[i] = -cos ((M_PI / 2048) * (8 * i + 1));
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@ -1185,315 +943,30 @@ void imdct_init (uint32_t mm_accel)
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imdct_512 = imdct_do_512;
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#ifdef ARCH_X86
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if(mm_accel & MM_ACCEL_X86_SSE) imdct_512 = imdct_do_512_sse;
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else if(mm_accel & MM_ACCEL_X86_3DNOW) imdct_512 = imdct_do_512_3dnow;
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if(mm_accel & MM_ACCEL_X86_SSE)
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{
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fprintf (stderr, "Using SSE optimized IMDCT transform\n");
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imdct_512 = imdct_do_512_sse;
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}
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else
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if(mm_accel & MM_ACCEL_X86_3DNOWEXT)
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{
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fprintf (stderr, "Using 3DNowEx optimized IMDCT transform\n");
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imdct_512 = imdct_do_512_3dnowex;
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}
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else
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if(mm_accel & MM_ACCEL_X86_3DNOW)
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{
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fprintf (stderr, "Using 3DNow optimized IMDCT transform\n");
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imdct_512 = imdct_do_512_3dnow;
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}
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else
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#endif // arch_x86
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fprintf (stderr, "No accelerated IMDCT transform found\n");
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imdct_256 = imdct_do_256;
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}
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}
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// Stuff below this line is borrowed from libac3
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#include "srfftp.h"
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#ifdef ARCH_X86
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static void fft_4_3dnow(complex_t *x)
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{
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/* delta_p = 1 here */
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/* x[k] = sum_{i=0..3} x[i] * w^{i*k}, w=e^{-2*pi/4}
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*/
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__asm__ __volatile__(
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"movq 24(%1), %%mm3\n\t"
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"movq 8(%1), %%mm1\n\t"
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"pxor %2, %%mm3\n\t" /* mm3.re | -mm3.im */
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"pxor %3, %%mm1\n\t" /* -mm1.re | mm1.im */
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"pfadd %%mm1, %%mm3\n\t" /* vi.im = x[3].re - x[1].re; */
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"movq %%mm3, %%mm4\n\t" /* vi.re =-x[3].im + x[1].im; mm4 = vi */
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#ifdef HAVE_3DNOWEX
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"pswapd %%mm4, %%mm4\n\t"
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#else
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"movq %%mm4, %%mm5\n\t"
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"psrlq $32, %%mm4\n\t"
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"punpckldq %%mm5, %%mm4\n\t"
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#endif
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"movq (%1), %%mm5\n\t" /* yb.re = x[0].re - x[2].re; */
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"movq (%1), %%mm6\n\t" /* yt.re = x[0].re + x[2].re; */
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"movq 24(%1), %%mm7\n\t" /* u.re = x[3].re + x[1].re; */
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"pfsub 16(%1), %%mm5\n\t" /* yb.im = x[0].im - x[2].im; mm5 = yb */
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"pfadd 16(%1), %%mm6\n\t" /* yt.im = x[0].im + x[2].im; mm6 = yt */
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"pfadd 8(%1), %%mm7\n\t" /* u.im = x[3].im + x[1].im; mm7 = u */
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|
||||
"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)
|
||||
{
|
||||
|
|
|
|||
|
|
@ -0,0 +1,572 @@
|
|||
/*
|
||||
3DNOW and 3DNOWEX optimized IMDCT
|
||||
Licence: GPL v2
|
||||
Copyrights: Nick Kurshev
|
||||
*/
|
||||
|
||||
#undef FFT_4_3DNOW
|
||||
#undef FFT_8_3DNOW
|
||||
#undef FFT_ASMB_3DNOW
|
||||
#undef FFT_ASMB16_3DNOW
|
||||
#undef FFT_128P_3DNOW
|
||||
|
||||
#ifdef HAVE_3DNOWEX
|
||||
#define FFT_4_3DNOW fft_4_3dnowex
|
||||
#define FFT_8_3DNOW fft_8_3dnowex
|
||||
#define FFT_ASMB_3DNOW fft_asmb_3dnowex
|
||||
#define FFT_ASMB16_3DNOW fft_asmb16_3dnowex
|
||||
#define FFT_128P_3DNOW fft_128p_3dnowex
|
||||
#else
|
||||
#define FFT_4_3DNOW fft_4_3dnow
|
||||
#define FFT_8_3DNOW fft_8_3dnow
|
||||
#define FFT_ASMB_3DNOW fft_asmb_3dnow
|
||||
#define FFT_ASMB16_3DNOW fft_asmb16_3dnow
|
||||
#define FFT_128P_3DNOW fft_128p_3dnow
|
||||
#endif
|
||||
|
||||
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]);
|
||||
}
|
||||
|
||||
static void
|
||||
#ifdef HAVE_3DNOWEX
|
||||
imdct_do_512_3dnowex
|
||||
#else
|
||||
imdct_do_512_3dnow
|
||||
#endif
|
||||
(sample_t data[],sample_t delay[], sample_t bias)
|
||||
{
|
||||
int i,k;
|
||||
int p,q;
|
||||
int m;
|
||||
int two_m;
|
||||
int two_m_plus_one;
|
||||
|
||||
sample_t tmp_a_i;
|
||||
sample_t tmp_a_r;
|
||||
sample_t tmp_b_i;
|
||||
sample_t tmp_b_r;
|
||||
|
||||
sample_t *data_ptr;
|
||||
sample_t *delay_ptr;
|
||||
sample_t *window_ptr;
|
||||
|
||||
/* 512 IMDCT with source and dest data in 'data' */
|
||||
|
||||
/* Pre IFFT complex multiply plus IFFT cmplx conjugate & reordering*/
|
||||
#if 1
|
||||
__asm__ __volatile__ (
|
||||
"movq %0, %%mm7\n\t"
|
||||
::"m"(x_plus_minus_3dnow)
|
||||
:"memory");
|
||||
for( i=0; i < 128; i++) {
|
||||
int j = pm128[i];
|
||||
__asm__ __volatile__ (
|
||||
"movd %1, %%mm0\n\t"
|
||||
"movd %3, %%mm1\n\t"
|
||||
"punpckldq %2, %%mm0\n\t" /* mm0 = data[256-2*j-1] | data[2*j]*/
|
||||
"punpckldq %4, %%mm1\n\t" /* mm1 = xcos[j] | xsin[j] */
|
||||
"movq %%mm0, %%mm2\n\t"
|
||||
"pfmul %%mm1, %%mm0\n\t"
|
||||
#ifdef HAVE_3DNOWEX
|
||||
"pswapd %%mm1, %%mm1\n\t"
|
||||
#else
|
||||
"movq %%mm1, %%mm5\n\t"
|
||||
"psrlq $32, %%mm1\n\t"
|
||||
"punpckldq %%mm5, %%mm1\n\t"
|
||||
#endif
|
||||
"pfmul %%mm1, %%mm2\n\t"
|
||||
#ifdef HAVE_3DNOWEX
|
||||
"pfpnacc %%mm2, %%mm0\n\t"
|
||||
#else
|
||||
"pxor %%mm7, %%mm0\n\t"
|
||||
"pfacc %%mm2, %%mm0\n\t"
|
||||
#endif
|
||||
"pxor %%mm7, %%mm0\n\t"
|
||||
"movq %%mm0, %0"
|
||||
:"=m"(buf[i])
|
||||
:"m"(data[256-2*j-1]), "m"(data[2*j]), "m"(xcos1[j]), "m"(xsin1[j])
|
||||
:"memory"
|
||||
);
|
||||
/* buf[i].re = (data[256-2*j-1] * xcos1[j] - data[2*j] * xsin1[j]);
|
||||
buf[i].im = (data[256-2*j-1] * xsin1[j] + data[2*j] * xcos1[j])*(-1.0);*/
|
||||
}
|
||||
#else
|
||||
__asm__ __volatile__ ("femms":::"memory");
|
||||
for( i=0; i < 128; i++) {
|
||||
/* z[i] = (X[256-2*i-1] + j * X[2*i]) * (xcos1[i] + j * xsin1[i]) ; */
|
||||
int j= pm128[i];
|
||||
buf[i].real = (data[256-2*j-1] * xcos1[j]) - (data[2*j] * xsin1[j]);
|
||||
buf[i].imag = -1.0 * ((data[2*j] * xcos1[j]) + (data[256-2*j-1] * xsin1[j]));
|
||||
}
|
||||
#endif
|
||||
|
||||
/* FFT Merge */
|
||||
/* unoptimized variant
|
||||
for (m=1; m < 7; m++) {
|
||||
if(m)
|
||||
two_m = (1 << m);
|
||||
else
|
||||
two_m = 1;
|
||||
|
||||
two_m_plus_one = (1 << (m+1));
|
||||
|
||||
for(i = 0; i < 128; i += two_m_plus_one) {
|
||||
for(k = 0; k < two_m; k++) {
|
||||
p = k + i;
|
||||
q = p + two_m;
|
||||
tmp_a_r = buf[p].real;
|
||||
tmp_a_i = buf[p].imag;
|
||||
tmp_b_r = buf[q].real * w[m][k].real - buf[q].imag * w[m][k].imag;
|
||||
tmp_b_i = buf[q].imag * w[m][k].real + buf[q].real * w[m][k].imag;
|
||||
buf[p].real = tmp_a_r + tmp_b_r;
|
||||
buf[p].imag = tmp_a_i + tmp_b_i;
|
||||
buf[q].real = tmp_a_r - tmp_b_r;
|
||||
buf[q].imag = tmp_a_i - tmp_b_i;
|
||||
}
|
||||
}
|
||||
}
|
||||
*/
|
||||
|
||||
FFT_128P_3DNOW (&buf[0]);
|
||||
// asm volatile ("femms \n\t":::"memory");
|
||||
|
||||
/* Post IFFT complex multiply plus IFFT complex conjugate*/
|
||||
#if 1
|
||||
__asm__ __volatile__ (
|
||||
"movq %0, %%mm7\n\t"
|
||||
"movq %1, %%mm6\n\t"
|
||||
::"m"(x_plus_minus_3dnow),
|
||||
"m"(x_minus_plus_3dnow)
|
||||
:"eax","memory");
|
||||
for (i=0; i < 128; i++) {
|
||||
__asm__ __volatile__ (
|
||||
"movq %1, %%mm0\n\t" /* ac3_buf[i].re | ac3_buf[i].im */
|
||||
"movq %%mm0, %%mm1\n\t" /* ac3_buf[i].re | ac3_buf[i].im */
|
||||
#ifndef HAVE_3DNOWEX
|
||||
"movq %%mm1, %%mm2\n\t"
|
||||
"psrlq $32, %%mm1\n\t"
|
||||
"punpckldq %%mm2, %%mm1\n\t"
|
||||
#else
|
||||
"pswapd %%mm1, %%mm1\n\t" /* ac3_buf[i].re | ac3_buf[i].im */
|
||||
#endif
|
||||
"movd %3, %%mm3\n\t" /* ac3_xsin[i] */
|
||||
"punpckldq %2, %%mm3\n\t" /* ac3_xsin[i] | ac3_xcos[i] */
|
||||
"pfmul %%mm3, %%mm0\n\t"
|
||||
"pfmul %%mm3, %%mm1\n\t"
|
||||
#ifndef HAVE_3DNOWEX
|
||||
"pxor %%mm7, %%mm0\n\t"
|
||||
"pfacc %%mm1, %%mm0\n\t"
|
||||
"movd %%mm0, 4%0\n\t"
|
||||
"psrlq $32, %%mm0\n\t"
|
||||
"movd %%mm0, %0\n\t"
|
||||
#else
|
||||
"pfpnacc %%mm1, %%mm0\n\t" /* mm0 = mm0[0] - mm0[1] | mm1[0] + mm1[1] */
|
||||
"pswapd %%mm0, %%mm0\n\t"
|
||||
"movq %%mm0, %0"
|
||||
#endif
|
||||
:"=m"(buf[i])
|
||||
:"m"(buf[i]),"m"(xcos1[i]),"m"(xsin1[i])
|
||||
:"memory");
|
||||
/* ac3_buf[i].re =(tmp_a_r * ac3_xcos1[i]) + (tmp_a_i * ac3_xsin1[i]);
|
||||
ac3_buf[i].im =(tmp_a_r * ac3_xsin1[i]) - (tmp_a_i * ac3_xcos1[i]);*/
|
||||
}
|
||||
#else
|
||||
__asm__ __volatile__ ("femms":::"memory");
|
||||
for( i=0; i < 128; i++) {
|
||||
/* y[n] = z[n] * (xcos1[n] + j * xsin1[n]) ; */
|
||||
tmp_a_r = buf[i].real;
|
||||
tmp_a_i = -1.0 * buf[i].imag;
|
||||
buf[i].real =(tmp_a_r * xcos1[i]) - (tmp_a_i * xsin1[i]);
|
||||
buf[i].imag =(tmp_a_r * xsin1[i]) + (tmp_a_i * xcos1[i]);
|
||||
}
|
||||
#endif
|
||||
|
||||
data_ptr = data;
|
||||
delay_ptr = delay;
|
||||
window_ptr = imdct_window;
|
||||
|
||||
/* Window and convert to real valued signal */
|
||||
#if 1
|
||||
asm volatile (
|
||||
"movd (%0), %%mm3 \n\t"
|
||||
"punpckldq %%mm3, %%mm3 \n\t"
|
||||
:: "r" (&bias)
|
||||
);
|
||||
for (i=0; i< 64; i++) {
|
||||
/* merge two loops in one to enable working of 2 decoders */
|
||||
__asm__ __volatile__ (
|
||||
"movd 516(%1), %%mm0\n\t"
|
||||
"movd (%1), %%mm1\n\t" /**data_ptr++=-buf[64+i].im**window_ptr+++*delay_ptr++;*/
|
||||
"punpckldq (%2), %%mm0\n\t"/*data_ptr[128]=-buf[i].re*window_ptr[128]+delay_ptr[128];*/
|
||||
"punpckldq 516(%2), %%mm1\n\t"
|
||||
"pfmul (%3), %%mm0\n\t"/**data_ptr++=buf[64-i-1].re**window_ptr+++*delay_ptr++;*/
|
||||
"pfmul 512(%3), %%mm1\n\t"
|
||||
"pxor %%mm6, %%mm0\n\t"/*data_ptr[128]=buf[128-i-1].im*window_ptr[128]+delay_ptr[128];*/
|
||||
"pxor %%mm6, %%mm1\n\t"
|
||||
"pfadd (%4), %%mm0\n\t"
|
||||
"pfadd 512(%4), %%mm1\n\t"
|
||||
"pfadd %%mm3, %%mm0\n\t"
|
||||
"pfadd %%mm3, %%mm1\n\t"
|
||||
"movq %%mm0, (%0)\n\t"
|
||||
"movq %%mm1, 512(%0)"
|
||||
:"=r"(data_ptr)
|
||||
:"r"(&buf[i].real), "r"(&buf[64-i-1].real), "r"(window_ptr), "r"(delay_ptr), "0"(data_ptr)
|
||||
:"memory");
|
||||
data_ptr += 2;
|
||||
window_ptr += 2;
|
||||
delay_ptr += 2;
|
||||
}
|
||||
window_ptr += 128;
|
||||
#else
|
||||
__asm__ __volatile__ ("femms":::"memory");
|
||||
for(i=0; i< 64; i++) {
|
||||
*data_ptr++ = -buf[64+i].imag * *window_ptr++ + *delay_ptr++ + bias;
|
||||
*data_ptr++ = buf[64-i-1].real * *window_ptr++ + *delay_ptr++ + bias;
|
||||
}
|
||||
|
||||
for(i=0; i< 64; i++) {
|
||||
*data_ptr++ = -buf[i].real * *window_ptr++ + *delay_ptr++ + bias;
|
||||
*data_ptr++ = buf[128-i-1].imag * *window_ptr++ + *delay_ptr++ + bias;
|
||||
}
|
||||
#endif
|
||||
|
||||
/* The trailing edge of the window goes into the delay line */
|
||||
delay_ptr = delay;
|
||||
#if 1
|
||||
for(i=0; i< 64; i++) {
|
||||
/* merge two loops in one to enable working of 2 decoders */
|
||||
window_ptr -=2;
|
||||
__asm__ __volatile__(
|
||||
"movd 508(%1), %%mm0\n\t"
|
||||
"movd (%1), %%mm1\n\t"
|
||||
"punpckldq (%2), %%mm0\n\t"
|
||||
"punpckldq 508(%2), %%mm1\n\t"
|
||||
#ifdef HAVE_3DNOWEX
|
||||
"pswapd (%3), %%mm3\n\t"
|
||||
"pswapd -512(%3), %%mm4\n\t"
|
||||
#else
|
||||
"movq (%3), %%mm3\n\t"/**delay_ptr++=-buf[64+i].re**--window_ptr;*/
|
||||
"movq -512(%3), %%mm4\n\t"
|
||||
"psrlq $32, %%mm3\n\t"/*delay_ptr[128]=buf[i].im**window_ptr[-512];*/
|
||||
"psrlq $32, %%mm4\n\t"/**delay_ptr++=buf[64-i-1].im**--window_ptr;*/
|
||||
"punpckldq (%3), %%mm3\n\t"/*delay_ptr[128]=-buf[128-i-1].re**window_ptr[-512];*/
|
||||
"punpckldq -512(%3), %%mm4\n\t"
|
||||
#endif
|
||||
"pfmul %%mm3, %%mm0\n\t"
|
||||
"pfmul %%mm4, %%mm1\n\t"
|
||||
"pxor %%mm6, %%mm0\n\t"
|
||||
"pxor %%mm7, %%mm1\n\t"
|
||||
"movq %%mm0, (%0)\n\t"
|
||||
"movq %%mm1, 512(%0)"
|
||||
:"=r"(delay_ptr)
|
||||
:"r"(&buf[i].imag), "r"(&buf[64-i-1].imag), "r"(window_ptr), "0"(delay_ptr)
|
||||
:"memory");
|
||||
delay_ptr += 2;
|
||||
}
|
||||
__asm__ __volatile__ ("femms":::"memory");
|
||||
#else
|
||||
__asm__ __volatile__ ("femms":::"memory");
|
||||
for(i=0; i< 64; i++) {
|
||||
*delay_ptr++ = -buf[64+i].real * *--window_ptr;
|
||||
*delay_ptr++ = buf[64-i-1].imag * *--window_ptr;
|
||||
}
|
||||
|
||||
for(i=0; i<64; i++) {
|
||||
*delay_ptr++ = buf[i].imag * *--window_ptr;
|
||||
*delay_ptr++ = -buf[128-i-1].real * *--window_ptr;
|
||||
}
|
||||
#endif
|
||||
}
|
||||
Loading…
Reference in New Issue