diff options
Diffstat (limited to 'liba52/imdct_3dnow.h')
| -rw-r--r-- | liba52/imdct_3dnow.h | 581 |
1 files changed, 0 insertions, 581 deletions
diff --git a/liba52/imdct_3dnow.h b/liba52/imdct_3dnow.h deleted file mode 100644 index e8a91d11a4..0000000000 --- a/liba52/imdct_3dnow.h +++ /dev/null @@ -1,581 +0,0 @@ -/* - * 3DNOW and 3DNOWEX optimized IMDCT - * Copyright (C) 2002 Nick Kurshev - * - * This file is part of a52dec, a free ATSC A-52 stream decoder. - * See http://liba52.sourceforge.net/ for updates. - * - * a52dec is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * a52dec is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#undef FFT_4_3DNOW -#undef FFT_8_3DNOW -#undef FFT_ASMB_3DNOW -#undef FFT_ASMB16_3DNOW -#undef FFT_128P_3DNOW - -#if HAVE_AMD3DNOWEXT -#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 */ -#if HAVE_AMD3DNOWEXT - "pswapd %%mm4, %%mm4\n\t" -#else - "punpckldq %%mm4, %%mm5\n\t" - "punpckhdq %%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" -#if HAVE_AMD3DNOWEXT - "pswapd %%mm3, %%mm3\n\t" -#else - "punpckldq %%mm3, %%mm6\n\t" - "punpckhdq %%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" -#if HAVE_AMD3DNOWEXT - "pswapd %%mm1, %%mm1\n\t" -#else - "punpckldq %%mm1, %%mm2\n\t" - "punpckhdq %%mm2, %%mm1\n\t" -#endif - "pxor %%mm7, %%mm1\n\t" - "pfadd %%mm1, %%mm0\n\t" -#if HAVE_AMD3DNOWEXT - "pswapd %%mm3, %%mm3\n\t" -#else - "punpckldq %%mm3, %%mm2\n\t" - "punpckhdq %%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" -#if HAVE_AMD3DNOWEXT - "pswapd %%mm5, %%mm5\n\t" -#else - "punpckldq %%mm5, %%mm1\n\t" - "punpckhdq %%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" -#if HAVE_AMD3DNOWEXT - "pswapd %3, %%mm1\n\t" -#else - "movq %3, %%mm1\n\t" - "punpckldq %%mm1, %%mm2\n\t" - "punpckhdq %%mm2, %%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" -#if HAVE_AMD3DNOWEXT - "pswapd %%mm2, %%mm2\n\t" -#else - "punpckldq %%mm2, %%mm5\n\t" - "punpckhdq %%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 -#if HAVE_AMD3DNOWEXT -imdct_do_512_3dnowex -#else -imdct_do_512_3dnow -#endif -(sample_t data[],sample_t delay[], sample_t bias) -{ - int i; -/* int 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" -#if HAVE_AMD3DNOWEXT - "pswapd %%mm1, %%mm1\n\t" -#else - "punpckldq %%mm1, %%mm5\n\t" - "punpckhdq %%mm5, %%mm1\n\t" -#endif - "pfmul %%mm1, %%mm2\n\t" -#if HAVE_AMD3DNOWEXT - "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 */ -#if !HAVE_AMD3DNOWEXT - "punpckldq %%mm1, %%mm2\n\t" - "punpckhdq %%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" -#if !HAVE_AMD3DNOWEXT - "pxor %%mm7, %%mm0\n\t" - "pfacc %%mm1, %%mm0\n\t" - "punpckldq %%mm0, %%mm1\n\t" - "punpckhdq %%mm1, %%mm0\n\t" - "movq %%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 = a52_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" -#if HAVE_AMD3DNOWEXT - "pswapd (%3), %%mm3\n\t" - "pswapd -512(%3), %%mm4\n\t" -#else - "movq (%3), %%mm3\n\t" - "punpckldq %%mm3, %%mm2\n\t" - "punpckhdq %%mm2, %%mm3\n\t" - "movq -512(%3), %%mm4\n\t" - "punpckldq %%mm4, %%mm2\n\t" - "punpckhdq %%mm2, %%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 -} |