/* * idct_mmx.c * Copyright (C) 2000-2003 Michel Lespinasse * Copyright (C) 1999-2000 Aaron Holtzman * * This file is part of mpeg2dec, a free MPEG-2 video stream decoder. * See http://libmpeg2.sourceforge.net/ for updates. * * mpeg2dec 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. * * mpeg2dec 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 * * Modified for use with MPlayer, see libmpeg-0.4.1.diff for the exact changes. * detailed changelog at http://svn.mplayerhq.hu/mplayer/trunk/ * $Id$ */ #include "config.h" #if defined(ARCH_X86) || defined(ARCH_X86_64) #include #include "mpeg2.h" #include "attributes.h" #include "mpeg2_internal.h" #include "mmx.h" #define ROW_SHIFT 15 #define COL_SHIFT 6 #define round(bias) ((int)(((bias)+0.5) * (1<> ROW_SHIFT; row[1] = (a1 + b1) >> ROW_SHIFT; row[2] = (a2 + b2) >> ROW_SHIFT; row[3] = (a3 + b3) >> ROW_SHIFT; row[4] = (a3 - b3) >> ROW_SHIFT; row[5] = (a2 - b2) >> ROW_SHIFT; row[6] = (a1 - b1) >> ROW_SHIFT; row[7] = (a0 - b0) >> ROW_SHIFT; } #endif /* SSE2 row IDCT */ #define sse2_table(c1,c2,c3,c4,c5,c6,c7) { c4, c2, c4, c6, \ c4, -c6, c4, -c2, \ c4, c6, -c4, -c2, \ -c4, c2, c4, -c6, \ c1, c3, c3, -c7, \ c5, -c1, c7, -c5, \ c5, c7, -c1, -c5, \ c7, c3, c3, -c1 } #define SSE2_IDCT_2ROW(table, row1, row2, round1, round2) do { \ /* no scheduling: trust in out of order execution */ \ /* based on Intel AP-945 */ \ /* (http://cache-www.intel.com/cd/00/00/01/76/17680_w_idct.pdf) */ \ \ /* input */ /* 1: row1= x7 x5 x3 x1 x6 x4 x2 x0 */ \ pshufd_r2r (row1, xmm1, 0); /* 1: xmm1= x2 x0 x2 x0 x2 x0 x2 x0 */ \ pmaddwd_m2r (table[0], xmm1); /* 1: xmm1= x2*C + x0*C ... */ \ pshufd_r2r (row1, xmm3, 0xaa); /* 1: xmm3= x3 x1 x3 x1 x3 x1 x3 x1 */ \ pmaddwd_m2r (table[2*8], xmm3); /* 1: xmm3= x3*C + x1*C ... */ \ pshufd_r2r (row1, xmm2, 0x55); /* 1: xmm2= x6 x4 x6 x4 x6 x4 x6 x4 */ \ pshufd_r2r (row1, row1, 0xff); /* 1: row1= x7 x5 x7 x5 x7 x5 x7 x5 */ \ pmaddwd_m2r (table[1*8], xmm2); /* 1: xmm2= x6*C + x4*C ... */ \ paddd_m2r (round1, xmm1); /* 1: xmm1= x2*C + x0*C + round ... */ \ pmaddwd_m2r (table[3*8], row1); /* 1: row1= x7*C + x5*C ... */ \ pshufd_r2r (row2, xmm5, 0); /* 2: */ \ pshufd_r2r (row2, xmm6, 0x55); /* 2: */ \ pmaddwd_m2r (table[0], xmm5); /* 2: */ \ paddd_r2r (xmm2, xmm1); /* 1: xmm1= a[] */ \ movdqa_r2r (xmm1, xmm2); /* 1: xmm2= a[] */ \ pshufd_r2r (row2, xmm7, 0xaa); /* 2: */ \ pmaddwd_m2r (table[1*8], xmm6); /* 2: */ \ paddd_r2r (xmm3, row1); /* 1: row1= b[]= 7*C+5*C+3*C+1*C ... */ \ pshufd_r2r (row2, row2, 0xff); /* 2: */ \ psubd_r2r (row1, xmm2); /* 1: xmm2= a[] - b[] */ \ pmaddwd_m2r (table[2*8], xmm7); /* 2: */ \ paddd_r2r (xmm1, row1); /* 1: row1= a[] + b[] */ \ psrad_i2r (ROW_SHIFT, xmm2); /* 1: xmm2= result 4...7 */ \ paddd_m2r (round2, xmm5); /* 2: */ \ pmaddwd_m2r (table[3*8], row2); /* 2: */ \ paddd_r2r (xmm6, xmm5); /* 2: */ \ movdqa_r2r (xmm5, xmm6); /* 2: */ \ psrad_i2r (ROW_SHIFT, row1); /* 1: row1= result 0...4 */ \ pshufd_r2r (xmm2, xmm2, 0x1b); /* 1: [0 1 2 3] -> [3 2 1 0] */ \ packssdw_r2r (xmm2, row1); /* 1: row1= result[] */ \ paddd_r2r (xmm7, row2); /* 2: */ \ psubd_r2r (row2, xmm6); /* 2: */ \ paddd_r2r (xmm5, row2); /* 2: */ \ psrad_i2r (ROW_SHIFT, xmm6); /* 2: */ \ psrad_i2r (ROW_SHIFT, row2); /* 2: */ \ pshufd_r2r (xmm6, xmm6, 0x1b); /* 2: */ \ packssdw_r2r (xmm6, row2); /* 2: */ \ } while (0) /* MMXEXT row IDCT */ #define mmxext_table(c1,c2,c3,c4,c5,c6,c7) { c4, c2, -c4, -c2, \ c4, c6, c4, c6, \ c1, c3, -c1, -c5, \ c5, c7, c3, -c7, \ c4, -c6, c4, -c6, \ -c4, c2, c4, -c2, \ c5, -c1, c3, -c1, \ c7, c3, c7, -c5 } static inline void mmxext_row_head (int16_t * const row, const int offset, const int16_t * const table) { movq_m2r (*(row+offset), mm2); /* mm2 = x6 x4 x2 x0 */ movq_m2r (*(row+offset+4), mm5); /* mm5 = x7 x5 x3 x1 */ movq_r2r (mm2, mm0); /* mm0 = x6 x4 x2 x0 */ movq_m2r (*table, mm3); /* mm3 = -C2 -C4 C2 C4 */ movq_r2r (mm5, mm6); /* mm6 = x7 x5 x3 x1 */ movq_m2r (*(table+4), mm4); /* mm4 = C6 C4 C6 C4 */ pmaddwd_r2r (mm0, mm3); /* mm3 = -C4*x4-C2*x6 C4*x0+C2*x2 */ pshufw_r2r (mm2, mm2, 0x4e); /* mm2 = x2 x0 x6 x4 */ } static inline void mmxext_row (const int16_t * const table, const int32_t * const rounder) { movq_m2r (*(table+8), mm1); /* mm1 = -C5 -C1 C3 C1 */ pmaddwd_r2r (mm2, mm4); /* mm4 = C4*x0+C6*x2 C4*x4+C6*x6 */ pmaddwd_m2r (*(table+16), mm0); /* mm0 = C4*x4-C6*x6 C4*x0-C6*x2 */ pshufw_r2r (mm6, mm6, 0x4e); /* mm6 = x3 x1 x7 x5 */ movq_m2r (*(table+12), mm7); /* mm7 = -C7 C3 C7 C5 */ pmaddwd_r2r (mm5, mm1); /* mm1 = -C1*x5-C5*x7 C1*x1+C3*x3 */ paddd_m2r (*rounder, mm3); /* mm3 += rounder */ pmaddwd_r2r (mm6, mm7); /* mm7 = C3*x1-C7*x3 C5*x5+C7*x7 */ pmaddwd_m2r (*(table+20), mm2); /* mm2 = C4*x0-C2*x2 -C4*x4+C2*x6 */ paddd_r2r (mm4, mm3); /* mm3 = a1 a0 + rounder */ pmaddwd_m2r (*(table+24), mm5); /* mm5 = C3*x5-C1*x7 C5*x1-C1*x3 */ movq_r2r (mm3, mm4); /* mm4 = a1 a0 + rounder */ pmaddwd_m2r (*(table+28), mm6); /* mm6 = C7*x1-C5*x3 C7*x5+C3*x7 */ paddd_r2r (mm7, mm1); /* mm1 = b1 b0 */ paddd_m2r (*rounder, mm0); /* mm0 += rounder */ psubd_r2r (mm1, mm3); /* mm3 = a1-b1 a0-b0 + rounder */ psrad_i2r (ROW_SHIFT, mm3); /* mm3 = y6 y7 */ paddd_r2r (mm4, mm1); /* mm1 = a1+b1 a0+b0 + rounder */ paddd_r2r (mm2, mm0); /* mm0 = a3 a2 + rounder */ psrad_i2r (ROW_SHIFT, mm1); /* mm1 = y1 y0 */ paddd_r2r (mm6, mm5); /* mm5 = b3 b2 */ movq_r2r (mm0, mm4); /* mm4 = a3 a2 + rounder */ paddd_r2r (mm5, mm0); /* mm0 = a3+b3 a2+b2 + rounder */ psubd_r2r (mm5, mm4); /* mm4 = a3-b3 a2-b2 + rounder */ } static inline void mmxext_row_tail (int16_t * const row, const int store) { psrad_i2r (ROW_SHIFT, mm0); /* mm0 = y3 y2 */ psrad_i2r (ROW_SHIFT, mm4); /* mm4 = y4 y5 */ packssdw_r2r (mm0, mm1); /* mm1 = y3 y2 y1 y0 */ packssdw_r2r (mm3, mm4); /* mm4 = y6 y7 y4 y5 */ movq_r2m (mm1, *(row+store)); /* save y3 y2 y1 y0 */ pshufw_r2r (mm4, mm4, 0xb1); /* mm4 = y7 y6 y5 y4 */ /* slot */ movq_r2m (mm4, *(row+store+4)); /* save y7 y6 y5 y4 */ } static inline void mmxext_row_mid (int16_t * const row, const int store, const int offset, const int16_t * const table) { movq_m2r (*(row+offset), mm2); /* mm2 = x6 x4 x2 x0 */ psrad_i2r (ROW_SHIFT, mm0); /* mm0 = y3 y2 */ movq_m2r (*(row+offset+4), mm5); /* mm5 = x7 x5 x3 x1 */ psrad_i2r (ROW_SHIFT, mm4); /* mm4 = y4 y5 */ packssdw_r2r (mm0, mm1); /* mm1 = y3 y2 y1 y0 */ movq_r2r (mm5, mm6); /* mm6 = x7 x5 x3 x1 */ packssdw_r2r (mm3, mm4); /* mm4 = y6 y7 y4 y5 */ movq_r2r (mm2, mm0); /* mm0 = x6 x4 x2 x0 */ movq_r2m (mm1, *(row+store)); /* save y3 y2 y1 y0 */ pshufw_r2r (mm4, mm4, 0xb1); /* mm4 = y7 y6 y5 y4 */ movq_m2r (*table, mm3); /* mm3 = -C2 -C4 C2 C4 */ movq_r2m (mm4, *(row+store+4)); /* save y7 y6 y5 y4 */ pmaddwd_r2r (mm0, mm3); /* mm3 = -C4*x4-C2*x6 C4*x0+C2*x2 */ movq_m2r (*(table+4), mm4); /* mm4 = C6 C4 C6 C4 */ pshufw_r2r (mm2, mm2, 0x4e); /* mm2 = x2 x0 x6 x4 */ } /* MMX row IDCT */ #define mmx_table(c1,c2,c3,c4,c5,c6,c7) { c4, c2, c4, c6, \ c4, c6, -c4, -c2, \ c1, c3, c3, -c7, \ c5, c7, -c1, -c5, \ c4, -c6, c4, -c2, \ -c4, c2, c4, -c6, \ c5, -c1, c7, -c5, \ c7, c3, c3, -c1 } static inline void mmx_row_head (int16_t * const row, const int offset, const int16_t * const table) { movq_m2r (*(row+offset), mm2); /* mm2 = x6 x4 x2 x0 */ movq_m2r (*(row+offset+4), mm5); /* mm5 = x7 x5 x3 x1 */ movq_r2r (mm2, mm0); /* mm0 = x6 x4 x2 x0 */ movq_m2r (*table, mm3); /* mm3 = C6 C4 C2 C4 */ movq_r2r (mm5, mm6); /* mm6 = x7 x5 x3 x1 */ punpckldq_r2r (mm0, mm0); /* mm0 = x2 x0 x2 x0 */ movq_m2r (*(table+4), mm4); /* mm4 = -C2 -C4 C6 C4 */ pmaddwd_r2r (mm0, mm3); /* mm3 = C4*x0+C6*x2 C4*x0+C2*x2 */ movq_m2r (*(table+8), mm1); /* mm1 = -C7 C3 C3 C1 */ punpckhdq_r2r (mm2, mm2); /* mm2 = x6 x4 x6 x4 */ } static inline void mmx_row (const int16_t * const table, const int32_t * const rounder) { pmaddwd_r2r (mm2, mm4); /* mm4 = -C4*x4-C2*x6 C4*x4+C6*x6 */ punpckldq_r2r (mm5, mm5); /* mm5 = x3 x1 x3 x1 */ pmaddwd_m2r (*(table+16), mm0); /* mm0 = C4*x0-C2*x2 C4*x0-C6*x2 */ punpckhdq_r2r (mm6, mm6); /* mm6 = x7 x5 x7 x5 */ movq_m2r (*(table+12), mm7); /* mm7 = -C5 -C1 C7 C5 */ pmaddwd_r2r (mm5, mm1); /* mm1 = C3*x1-C7*x3 C1*x1+C3*x3 */ paddd_m2r (*rounder, mm3); /* mm3 += rounder */ pmaddwd_r2r (mm6, mm7); /* mm7 = -C1*x5-C5*x7 C5*x5+C7*x7 */ pmaddwd_m2r (*(table+20), mm2); /* mm2 = C4*x4-C6*x6 -C4*x4+C2*x6 */ paddd_r2r (mm4, mm3); /* mm3 = a1 a0 + rounder */ pmaddwd_m2r (*(table+24), mm5); /* mm5 = C7*x1-C5*x3 C5*x1-C1*x3 */ movq_r2r (mm3, mm4); /* mm4 = a1 a0 + rounder */ pmaddwd_m2r (*(table+28), mm6); /* mm6 = C3*x5-C1*x7 C7*x5+C3*x7 */ paddd_r2r (mm7, mm1); /* mm1 = b1 b0 */ paddd_m2r (*rounder, mm0); /* mm0 += rounder */ psubd_r2r (mm1, mm3); /* mm3 = a1-b1 a0-b0 + rounder */ psrad_i2r (ROW_SHIFT, mm3); /* mm3 = y6 y7 */ paddd_r2r (mm4, mm1); /* mm1 = a1+b1 a0+b0 + rounder */ paddd_r2r (mm2, mm0); /* mm0 = a3 a2 + rounder */ psrad_i2r (ROW_SHIFT, mm1); /* mm1 = y1 y0 */ paddd_r2r (mm6, mm5); /* mm5 = b3 b2 */ movq_r2r (mm0, mm7); /* mm7 = a3 a2 + rounder */ paddd_r2r (mm5, mm0); /* mm0 = a3+b3 a2+b2 + rounder */ psubd_r2r (mm5, mm7); /* mm7 = a3-b3 a2-b2 + rounder */ } static inline void mmx_row_tail (int16_t * const row, const int store) { psrad_i2r (ROW_SHIFT, mm0); /* mm0 = y3 y2 */ psrad_i2r (ROW_SHIFT, mm7); /* mm7 = y4 y5 */ packssdw_r2r (mm0, mm1); /* mm1 = y3 y2 y1 y0 */ packssdw_r2r (mm3, mm7); /* mm7 = y6 y7 y4 y5 */ movq_r2m (mm1, *(row+store)); /* save y3 y2 y1 y0 */ movq_r2r (mm7, mm4); /* mm4 = y6 y7 y4 y5 */ pslld_i2r (16, mm7); /* mm7 = y7 0 y5 0 */ psrld_i2r (16, mm4); /* mm4 = 0 y6 0 y4 */ por_r2r (mm4, mm7); /* mm7 = y7 y6 y5 y4 */ /* slot */ movq_r2m (mm7, *(row+store+4)); /* save y7 y6 y5 y4 */ } static inline void mmx_row_mid (int16_t * const row, const int store, const int offset, const int16_t * const table) { movq_m2r (*(row+offset), mm2); /* mm2 = x6 x4 x2 x0 */ psrad_i2r (ROW_SHIFT, mm0); /* mm0 = y3 y2 */ movq_m2r (*(row+offset+4), mm5); /* mm5 = x7 x5 x3 x1 */ psrad_i2r (ROW_SHIFT, mm7); /* mm7 = y4 y5 */ packssdw_r2r (mm0, mm1); /* mm1 = y3 y2 y1 y0 */ movq_r2r (mm5, mm6); /* mm6 = x7 x5 x3 x1 */ packssdw_r2r (mm3, mm7); /* mm7 = y6 y7 y4 y5 */ movq_r2r (mm2, mm0); /* mm0 = x6 x4 x2 x0 */ movq_r2m (mm1, *(row+store)); /* save y3 y2 y1 y0 */ movq_r2r (mm7, mm1); /* mm1 = y6 y7 y4 y5 */ punpckldq_r2r (mm0, mm0); /* mm0 = x2 x0 x2 x0 */ psrld_i2r (16, mm7); /* mm7 = 0 y6 0 y4 */ movq_m2r (*table, mm3); /* mm3 = C6 C4 C2 C4 */ pslld_i2r (16, mm1); /* mm1 = y7 0 y5 0 */ movq_m2r (*(table+4), mm4); /* mm4 = -C2 -C4 C6 C4 */ por_r2r (mm1, mm7); /* mm7 = y7 y6 y5 y4 */ movq_m2r (*(table+8), mm1); /* mm1 = -C7 C3 C3 C1 */ punpckhdq_r2r (mm2, mm2); /* mm2 = x6 x4 x6 x4 */ movq_r2m (mm7, *(row+store+4)); /* save y7 y6 y5 y4 */ pmaddwd_r2r (mm0, mm3); /* mm3 = C4*x0+C6*x2 C4*x0+C2*x2 */ } #if 0 /* C column IDCT - it is just here to document the MMXEXT and MMX versions */ static inline void idct_col (int16_t * col, int offset) { /* multiplication - as implemented on mmx */ #define F(c,x) (((c) * (x)) >> 16) /* saturation - it helps us handle torture test cases */ #define S(x) (((x)>32767) ? 32767 : ((x)<-32768) ? -32768 : (x)) int16_t x0, x1, x2, x3, x4, x5, x6, x7; int16_t y0, y1, y2, y3, y4, y5, y6, y7; int16_t a0, a1, a2, a3, b0, b1, b2, b3; int16_t u04, v04, u26, v26, u17, v17, u35, v35, u12, v12; col += offset; x0 = col[0*8]; x1 = col[1*8]; x2 = col[2*8]; x3 = col[3*8]; x4 = col[4*8]; x5 = col[5*8]; x6 = col[6*8]; x7 = col[7*8]; u04 = S (x0 + x4); v04 = S (x0 - x4); u26 = S (F (T2, x6) + x2); v26 = S (F (T2, x2) - x6); a0 = S (u04 + u26); a1 = S (v04 + v26); a2 = S (v04 - v26); a3 = S (u04 - u26); u17 = S (F (T1, x7) + x1); v17 = S (F (T1, x1) - x7); u35 = S (F (T3, x5) + x3); v35 = S (F (T3, x3) - x5); b0 = S (u17 + u35); b3 = S (v17 - v35); u12 = S (u17 - u35); v12 = S (v17 + v35); u12 = S (2 * F (C4, u12)); v12 = S (2 * F (C4, v12)); b1 = S (u12 + v12); b2 = S (u12 - v12); y0 = S (a0 + b0) >> COL_SHIFT; y1 = S (a1 + b1) >> COL_SHIFT; y2 = S (a2 + b2) >> COL_SHIFT; y3 = S (a3 + b3) >> COL_SHIFT; y4 = S (a3 - b3) >> COL_SHIFT; y5 = S (a2 - b2) >> COL_SHIFT; y6 = S (a1 - b1) >> COL_SHIFT; y7 = S (a0 - b0) >> COL_SHIFT; col[0*8] = y0; col[1*8] = y1; col[2*8] = y2; col[3*8] = y3; col[4*8] = y4; col[5*8] = y5; col[6*8] = y6; col[7*8] = y7; } #endif #define T1 13036 #define T2 27146 #define T3 43790 #define C4 23170 /* SSE2 column IDCT */ static inline void sse2_idct_col (int16_t * const col) { /* Almost identical to mmxext version: */ /* just do both 4x8 columns in paraller */ static const short t1_vector[] ATTR_ALIGN(16) = {T1,T1,T1,T1,T1,T1,T1,T1}; static const short t2_vector[] ATTR_ALIGN(16) = {T2,T2,T2,T2,T2,T2,T2,T2}; static const short t3_vector[] ATTR_ALIGN(16) = {T3,T3,T3,T3,T3,T3,T3,T3}; static const short c4_vector[] ATTR_ALIGN(16) = {C4,C4,C4,C4,C4,C4,C4,C4}; #if defined(__x86_64__) /* INPUT: block in xmm8 ... xmm15 */ movdqa_m2r (*t1_vector, xmm0); /* xmm0 = T1 */ movdqa_r2r (xmm9, xmm1); /* xmm1 = x1 */ movdqa_r2r (xmm0, xmm2); /* xmm2 = T1 */ pmulhw_r2r (xmm1, xmm0); /* xmm0 = T1*x1 */ movdqa_m2r (*t3_vector, xmm5); /* xmm5 = T3 */ pmulhw_r2r (xmm15, xmm2); /* xmm2 = T1*x7 */ movdqa_r2r (xmm5, xmm7); /* xmm7 = T3-1 */ psubsw_r2r (xmm15, xmm0); /* xmm0 = v17 */ movdqa_m2r (*t2_vector, xmm9); /* xmm9 = T2 */ pmulhw_r2r (xmm11, xmm5); /* xmm5 = (T3-1)*x3 */ paddsw_r2r (xmm2, xmm1); /* xmm1 = u17 */ pmulhw_r2r (xmm13, xmm7); /* xmm7 = (T3-1)*x5 */ movdqa_r2r (xmm9, xmm2); /* xmm2 = T2 */ paddsw_r2r (xmm11, xmm5); /* xmm5 = T3*x3 */ pmulhw_r2r (xmm10, xmm9); /* xmm9 = T2*x2 */ paddsw_r2r (xmm13, xmm7); /* xmm7 = T3*x5 */ psubsw_r2r (xmm13, xmm5); /* xmm5 = v35 */ paddsw_r2r (xmm11, xmm7); /* xmm7 = u35 */ movdqa_r2r (xmm0, xmm6); /* xmm6 = v17 */ pmulhw_r2r (xmm14, xmm2); /* xmm2 = T2*x6 */ psubsw_r2r (xmm5, xmm0); /* xmm0 = b3 */ psubsw_r2r (xmm14, xmm9); /* xmm9 = v26 */ paddsw_r2r (xmm6, xmm5); /* xmm5 = v12 */ movdqa_r2r (xmm0, xmm11); /* xmm11 = b3 */ movdqa_r2r (xmm1, xmm6); /* xmm6 = u17 */ paddsw_r2r (xmm10, xmm2); /* xmm2 = u26 */ paddsw_r2r (xmm7, xmm6); /* xmm6 = b0 */ psubsw_r2r (xmm7, xmm1); /* xmm1 = u12 */ movdqa_r2r (xmm1, xmm7); /* xmm7 = u12 */ paddsw_r2r (xmm5, xmm1); /* xmm1 = u12+v12 */ movdqa_m2r (*c4_vector, xmm0); /* xmm0 = C4/2 */ psubsw_r2r (xmm5, xmm7); /* xmm7 = u12-v12 */ movdqa_r2r (xmm6, xmm4); /* xmm4 = b0 */ pmulhw_r2r (xmm0, xmm1); /* xmm1 = b1/2 */ movdqa_r2r (xmm9, xmm6); /* xmm6 = v26 */ pmulhw_r2r (xmm0, xmm7); /* xmm7 = b2/2 */ movdqa_r2r (xmm8, xmm10); /* xmm10 = x0 */ movdqa_r2r (xmm8, xmm0); /* xmm0 = x0 */ psubsw_r2r (xmm12, xmm10); /* xmm10 = v04 */ paddsw_r2r (xmm12, xmm0); /* xmm0 = u04 */ paddsw_r2r (xmm10, xmm9); /* xmm9 = a1 */ movdqa_r2r (xmm0, xmm8); /* xmm8 = u04 */ psubsw_r2r (xmm6, xmm10); /* xmm10 = a2 */ paddsw_r2r (xmm2, xmm8); /* xmm5 = a0 */ paddsw_r2r (xmm1, xmm1); /* xmm1 = b1 */ psubsw_r2r (xmm2, xmm0); /* xmm0 = a3 */ paddsw_r2r (xmm7, xmm7); /* xmm7 = b2 */ movdqa_r2r (xmm10, xmm13); /* xmm13 = a2 */ movdqa_r2r (xmm9, xmm14); /* xmm14 = a1 */ paddsw_r2r (xmm7, xmm10); /* xmm10 = a2+b2 */ psraw_i2r (COL_SHIFT,xmm10); /* xmm10 = y2 */ paddsw_r2r (xmm1, xmm9); /* xmm9 = a1+b1 */ psraw_i2r (COL_SHIFT, xmm9); /* xmm9 = y1 */ psubsw_r2r (xmm1, xmm14); /* xmm14 = a1-b1 */ psubsw_r2r (xmm7, xmm13); /* xmm13 = a2-b2 */ psraw_i2r (COL_SHIFT,xmm14); /* xmm14 = y6 */ movdqa_r2r (xmm8, xmm15); /* xmm15 = a0 */ psraw_i2r (COL_SHIFT,xmm13); /* xmm13 = y5 */ paddsw_r2r (xmm4, xmm8); /* xmm8 = a0+b0 */ psubsw_r2r (xmm4, xmm15); /* xmm15 = a0-b0 */ psraw_i2r (COL_SHIFT, xmm8); /* xmm8 = y0 */ movdqa_r2r (xmm0, xmm12); /* xmm12 = a3 */ psubsw_r2r (xmm11, xmm12); /* xmm12 = a3-b3 */ psraw_i2r (COL_SHIFT,xmm15); /* xmm15 = y7 */ paddsw_r2r (xmm0, xmm11); /* xmm11 = a3+b3 */ psraw_i2r (COL_SHIFT,xmm12); /* xmm12 = y4 */ psraw_i2r (COL_SHIFT,xmm11); /* xmm11 = y3 */ /* OUTPUT: block in xmm8 ... xmm15 */ #else movdqa_m2r (*t1_vector, xmm0); /* xmm0 = T1 */ movdqa_m2r (*(col+1*8), xmm1); /* xmm1 = x1 */ movdqa_r2r (xmm0, xmm2); /* xmm2 = T1 */ movdqa_m2r (*(col+7*8), xmm4); /* xmm4 = x7 */ pmulhw_r2r (xmm1, xmm0); /* xmm0 = T1*x1 */ movdqa_m2r (*t3_vector, xmm5); /* xmm5 = T3 */ pmulhw_r2r (xmm4, xmm2); /* xmm2 = T1*x7 */ movdqa_m2r (*(col+5*8), xmm6); /* xmm6 = x5 */ movdqa_r2r (xmm5, xmm7); /* xmm7 = T3-1 */ movdqa_m2r (*(col+3*8), xmm3); /* xmm3 = x3 */ psubsw_r2r (xmm4, xmm0); /* xmm0 = v17 */ movdqa_m2r (*t2_vector, xmm4); /* xmm4 = T2 */ pmulhw_r2r (xmm3, xmm5); /* xmm5 = (T3-1)*x3 */ paddsw_r2r (xmm2, xmm1); /* xmm1 = u17 */ pmulhw_r2r (xmm6, xmm7); /* xmm7 = (T3-1)*x5 */ /* slot */ movdqa_r2r (xmm4, xmm2); /* xmm2 = T2 */ paddsw_r2r (xmm3, xmm5); /* xmm5 = T3*x3 */ pmulhw_m2r (*(col+2*8), xmm4); /* xmm4 = T2*x2 */ paddsw_r2r (xmm6, xmm7); /* xmm7 = T3*x5 */ psubsw_r2r (xmm6, xmm5); /* xmm5 = v35 */ paddsw_r2r (xmm3, xmm7); /* xmm7 = u35 */ movdqa_m2r (*(col+6*8), xmm3); /* xmm3 = x6 */ movdqa_r2r (xmm0, xmm6); /* xmm6 = v17 */ pmulhw_r2r (xmm3, xmm2); /* xmm2 = T2*x6 */ psubsw_r2r (xmm5, xmm0); /* xmm0 = b3 */ psubsw_r2r (xmm3, xmm4); /* xmm4 = v26 */ paddsw_r2r (xmm6, xmm5); /* xmm5 = v12 */ movdqa_r2m (xmm0, *(col+3*8)); /* save b3 in scratch0 */ movdqa_r2r (xmm1, xmm6); /* xmm6 = u17 */ paddsw_m2r (*(col+2*8), xmm2); /* xmm2 = u26 */ paddsw_r2r (xmm7, xmm6); /* xmm6 = b0 */ psubsw_r2r (xmm7, xmm1); /* xmm1 = u12 */ movdqa_r2r (xmm1, xmm7); /* xmm7 = u12 */ movdqa_m2r (*(col+0*8), xmm3); /* xmm3 = x0 */ paddsw_r2r (xmm5, xmm1); /* xmm1 = u12+v12 */ movdqa_m2r (*c4_vector, xmm0); /* xmm0 = C4/2 */ psubsw_r2r (xmm5, xmm7); /* xmm7 = u12-v12 */ movdqa_r2m (xmm6, *(col+5*8)); /* save b0 in scratch1 */ pmulhw_r2r (xmm0, xmm1); /* xmm1 = b1/2 */ movdqa_r2r (xmm4, xmm6); /* xmm6 = v26 */ pmulhw_r2r (xmm0, xmm7); /* xmm7 = b2/2 */ movdqa_m2r (*(col+4*8), xmm5); /* xmm5 = x4 */ movdqa_r2r (xmm3, xmm0); /* xmm0 = x0 */ psubsw_r2r (xmm5, xmm3); /* xmm3 = v04 */ paddsw_r2r (xmm5, xmm0); /* xmm0 = u04 */ paddsw_r2r (xmm3, xmm4); /* xmm4 = a1 */ movdqa_r2r (xmm0, xmm5); /* xmm5 = u04 */ psubsw_r2r (xmm6, xmm3); /* xmm3 = a2 */ paddsw_r2r (xmm2, xmm5); /* xmm5 = a0 */ paddsw_r2r (xmm1, xmm1); /* xmm1 = b1 */ psubsw_r2r (xmm2, xmm0); /* xmm0 = a3 */ paddsw_r2r (xmm7, xmm7); /* xmm7 = b2 */ movdqa_r2r (xmm3, xmm2); /* xmm2 = a2 */ movdqa_r2r (xmm4, xmm6); /* xmm6 = a1 */ paddsw_r2r (xmm7, xmm3); /* xmm3 = a2+b2 */ psraw_i2r (COL_SHIFT, xmm3); /* xmm3 = y2 */ paddsw_r2r (xmm1, xmm4); /* xmm4 = a1+b1 */ psraw_i2r (COL_SHIFT, xmm4); /* xmm4 = y1 */ psubsw_r2r (xmm1, xmm6); /* xmm6 = a1-b1 */ movdqa_m2r (*(col+5*8), xmm1); /* xmm1 = b0 */ psubsw_r2r (xmm7, xmm2); /* xmm2 = a2-b2 */ psraw_i2r (COL_SHIFT, xmm6); /* xmm6 = y6 */ movdqa_r2r (xmm5, xmm7); /* xmm7 = a0 */ movdqa_r2m (xmm4, *(col+1*8)); /* save y1 */ psraw_i2r (COL_SHIFT, xmm2); /* xmm2 = y5 */ movdqa_r2m (xmm3, *(col+2*8)); /* save y2 */ paddsw_r2r (xmm1, xmm5); /* xmm5 = a0+b0 */ movdqa_m2r (*(col+3*8), xmm4); /* xmm4 = b3 */ psubsw_r2r (xmm1, xmm7); /* xmm7 = a0-b0 */ psraw_i2r (COL_SHIFT, xmm5); /* xmm5 = y0 */ movdqa_r2r (xmm0, xmm3); /* xmm3 = a3 */ movdqa_r2m (xmm2, *(col+5*8)); /* save y5 */ psubsw_r2r (xmm4, xmm3); /* xmm3 = a3-b3 */ psraw_i2r (COL_SHIFT, xmm7); /* xmm7 = y7 */ paddsw_r2r (xmm0, xmm4); /* xmm4 = a3+b3 */ movdqa_r2m (xmm5, *(col+0*8)); /* save y0 */ psraw_i2r (COL_SHIFT, xmm3); /* xmm3 = y4 */ movdqa_r2m (xmm6, *(col+6*8)); /* save y6 */ psraw_i2r (COL_SHIFT, xmm4); /* xmm4 = y3 */ movdqa_r2m (xmm7, *(col+7*8)); /* save y7 */ movdqa_r2m (xmm3, *(col+4*8)); /* save y4 */ movdqa_r2m (xmm4, *(col+3*8)); /* save y3 */ #endif } /* MMX column IDCT */ static inline void idct_col (int16_t * const col, const int offset) { static const short t1_vector[] ATTR_ALIGN(8) = {T1,T1,T1,T1}; static const short t2_vector[] ATTR_ALIGN(8) = {T2,T2,T2,T2}; static const short t3_vector[] ATTR_ALIGN(8) = {T3,T3,T3,T3}; static const short c4_vector[] ATTR_ALIGN(8) = {C4,C4,C4,C4}; /* column code adapted from peter gubanov */ /* http://www.elecard.com/peter/idct.shtml */ movq_m2r (*t1_vector, mm0); /* mm0 = T1 */ movq_m2r (*(col+offset+1*8), mm1); /* mm1 = x1 */ movq_r2r (mm0, mm2); /* mm2 = T1 */ movq_m2r (*(col+offset+7*8), mm4); /* mm4 = x7 */ pmulhw_r2r (mm1, mm0); /* mm0 = T1*x1 */ movq_m2r (*t3_vector, mm5); /* mm5 = T3 */ pmulhw_r2r (mm4, mm2); /* mm2 = T1*x7 */ movq_m2r (*(col+offset+5*8), mm6); /* mm6 = x5 */ movq_r2r (mm5, mm7); /* mm7 = T3-1 */ movq_m2r (*(col+offset+3*8), mm3); /* mm3 = x3 */ psubsw_r2r (mm4, mm0); /* mm0 = v17 */ movq_m2r (*t2_vector, mm4); /* mm4 = T2 */ pmulhw_r2r (mm3, mm5); /* mm5 = (T3-1)*x3 */ paddsw_r2r (mm2, mm1); /* mm1 = u17 */ pmulhw_r2r (mm6, mm7); /* mm7 = (T3-1)*x5 */ /* slot */ movq_r2r (mm4, mm2); /* mm2 = T2 */ paddsw_r2r (mm3, mm5); /* mm5 = T3*x3 */ pmulhw_m2r (*(col+offset+2*8), mm4);/* mm4 = T2*x2 */ paddsw_r2r (mm6, mm7); /* mm7 = T3*x5 */ psubsw_r2r (mm6, mm5); /* mm5 = v35 */ paddsw_r2r (mm3, mm7); /* mm7 = u35 */ movq_m2r (*(col+offset+6*8), mm3); /* mm3 = x6 */ movq_r2r (mm0, mm6); /* mm6 = v17 */ pmulhw_r2r (mm3, mm2); /* mm2 = T2*x6 */ psubsw_r2r (mm5, mm0); /* mm0 = b3 */ psubsw_r2r (mm3, mm4); /* mm4 = v26 */ paddsw_r2r (mm6, mm5); /* mm5 = v12 */ movq_r2m (mm0, *(col+offset+3*8)); /* save b3 in scratch0 */ movq_r2r (mm1, mm6); /* mm6 = u17 */ paddsw_m2r (*(col+offset+2*8), mm2);/* mm2 = u26 */ paddsw_r2r (mm7, mm6); /* mm6 = b0 */ psubsw_r2r (mm7, mm1); /* mm1 = u12 */ movq_r2r (mm1, mm7); /* mm7 = u12 */ movq_m2r (*(col+offset+0*8), mm3); /* mm3 = x0 */ paddsw_r2r (mm5, mm1); /* mm1 = u12+v12 */ movq_m2r (*c4_vector, mm0); /* mm0 = C4/2 */ psubsw_r2r (mm5, mm7); /* mm7 = u12-v12 */ movq_r2m (mm6, *(col+offset+5*8)); /* save b0 in scratch1 */ pmulhw_r2r (mm0, mm1); /* mm1 = b1/2 */ movq_r2r (mm4, mm6); /* mm6 = v26 */ pmulhw_r2r (mm0, mm7); /* mm7 = b2/2 */ movq_m2r (*(col+offset+4*8), mm5); /* mm5 = x4 */ movq_r2r (mm3, mm0); /* mm0 = x0 */ psubsw_r2r (mm5, mm3); /* mm3 = v04 */ paddsw_r2r (mm5, mm0); /* mm0 = u04 */ paddsw_r2r (mm3, mm4); /* mm4 = a1 */ movq_r2r (mm0, mm5); /* mm5 = u04 */ psubsw_r2r (mm6, mm3); /* mm3 = a2 */ paddsw_r2r (mm2, mm5); /* mm5 = a0 */ paddsw_r2r (mm1, mm1); /* mm1 = b1 */ psubsw_r2r (mm2, mm0); /* mm0 = a3 */ paddsw_r2r (mm7, mm7); /* mm7 = b2 */ movq_r2r (mm3, mm2); /* mm2 = a2 */ movq_r2r (mm4, mm6); /* mm6 = a1 */ paddsw_r2r (mm7, mm3); /* mm3 = a2+b2 */ psraw_i2r (COL_SHIFT, mm3); /* mm3 = y2 */ paddsw_r2r (mm1, mm4); /* mm4 = a1+b1 */ psraw_i2r (COL_SHIFT, mm4); /* mm4 = y1 */ psubsw_r2r (mm1, mm6); /* mm6 = a1-b1 */ movq_m2r (*(col+offset+5*8), mm1); /* mm1 = b0 */ psubsw_r2r (mm7, mm2); /* mm2 = a2-b2 */ psraw_i2r (COL_SHIFT, mm6); /* mm6 = y6 */ movq_r2r (mm5, mm7); /* mm7 = a0 */ movq_r2m (mm4, *(col+offset+1*8)); /* save y1 */ psraw_i2r (COL_SHIFT, mm2); /* mm2 = y5 */ movq_r2m (mm3, *(col+offset+2*8)); /* save y2 */ paddsw_r2r (mm1, mm5); /* mm5 = a0+b0 */ movq_m2r (*(col+offset+3*8), mm4); /* mm4 = b3 */ psubsw_r2r (mm1, mm7); /* mm7 = a0-b0 */ psraw_i2r (COL_SHIFT, mm5); /* mm5 = y0 */ movq_r2r (mm0, mm3); /* mm3 = a3 */ movq_r2m (mm2, *(col+offset+5*8)); /* save y5 */ psubsw_r2r (mm4, mm3); /* mm3 = a3-b3 */ psraw_i2r (COL_SHIFT, mm7); /* mm7 = y7 */ paddsw_r2r (mm0, mm4); /* mm4 = a3+b3 */ movq_r2m (mm5, *(col+offset+0*8)); /* save y0 */ psraw_i2r (COL_SHIFT, mm3); /* mm3 = y4 */ movq_r2m (mm6, *(col+offset+6*8)); /* save y6 */ psraw_i2r (COL_SHIFT, mm4); /* mm4 = y3 */ movq_r2m (mm7, *(col+offset+7*8)); /* save y7 */ movq_r2m (mm3, *(col+offset+4*8)); /* save y4 */ movq_r2m (mm4, *(col+offset+3*8)); /* save y3 */ } static const int32_t rounder0[] ATTR_ALIGN(8) = rounder ((1 << (COL_SHIFT - 1)) - 0.5); static const int32_t rounder4[] ATTR_ALIGN(8) = rounder (0); static const int32_t rounder1[] ATTR_ALIGN(8) = rounder (1.25683487303); /* C1*(C1/C4+C1+C7)/2 */ static const int32_t rounder7[] ATTR_ALIGN(8) = rounder (-0.25); /* C1*(C7/C4+C7-C1)/2 */ static const int32_t rounder2[] ATTR_ALIGN(8) = rounder (0.60355339059); /* C2 * (C6+C2)/2 */ static const int32_t rounder6[] ATTR_ALIGN(8) = rounder (-0.25); /* C2 * (C6-C2)/2 */ static const int32_t rounder3[] ATTR_ALIGN(8) = rounder (0.087788325588); /* C3*(-C3/C4+C3+C5)/2 */ static const int32_t rounder5[] ATTR_ALIGN(8) = rounder (-0.441341716183); /* C3*(-C5/C4+C5-C3)/2 */ #define declare_idct(idct,table,idct_row_head,idct_row,idct_row_tail,idct_row_mid) \ static inline void idct (int16_t * const block) \ { \ static const int16_t table04[] ATTR_ALIGN(16) = \ table (22725, 21407, 19266, 16384, 12873, 8867, 4520); \ static const int16_t table17[] ATTR_ALIGN(16) = \ table (31521, 29692, 26722, 22725, 17855, 12299, 6270); \ static const int16_t table26[] ATTR_ALIGN(16) = \ table (29692, 27969, 25172, 21407, 16819, 11585, 5906); \ static const int16_t table35[] ATTR_ALIGN(16) = \ table (26722, 25172, 22654, 19266, 15137, 10426, 5315); \ \ idct_row_head (block, 0*8, table04); \ idct_row (table04, rounder0); \ idct_row_mid (block, 0*8, 4*8, table04); \ idct_row (table04, rounder4); \ idct_row_mid (block, 4*8, 1*8, table17); \ idct_row (table17, rounder1); \ idct_row_mid (block, 1*8, 7*8, table17); \ idct_row (table17, rounder7); \ idct_row_mid (block, 7*8, 2*8, table26); \ idct_row (table26, rounder2); \ idct_row_mid (block, 2*8, 6*8, table26); \ idct_row (table26, rounder6); \ idct_row_mid (block, 6*8, 3*8, table35); \ idct_row (table35, rounder3); \ idct_row_mid (block, 3*8, 5*8, table35); \ idct_row (table35, rounder5); \ idct_row_tail (block, 5*8); \ \ idct_col (block, 0); \ idct_col (block, 4); \ } static inline void sse2_idct (int16_t * const block) { static const int16_t table04[] ATTR_ALIGN(16) = sse2_table (22725, 21407, 19266, 16384, 12873, 8867, 4520); static const int16_t table17[] ATTR_ALIGN(16) = sse2_table (31521, 29692, 26722, 22725, 17855, 12299, 6270); static const int16_t table26[] ATTR_ALIGN(16) = sse2_table (29692, 27969, 25172, 21407, 16819, 11585, 5906); static const int16_t table35[] ATTR_ALIGN(16) = sse2_table (26722, 25172, 22654, 19266, 15137, 10426, 5315); static const int32_t rounder0_128[] ATTR_ALIGN(16) = rounder_sse2 ((1 << (COL_SHIFT - 1)) - 0.5); static const int32_t rounder4_128[] ATTR_ALIGN(16) = rounder_sse2 (0); static const int32_t rounder1_128[] ATTR_ALIGN(16) = rounder_sse2 (1.25683487303); /* C1*(C1/C4+C1+C7)/2 */ static const int32_t rounder7_128[] ATTR_ALIGN(16) = rounder_sse2 (-0.25); /* C1*(C7/C4+C7-C1)/2 */ static const int32_t rounder2_128[] ATTR_ALIGN(16) = rounder_sse2 (0.60355339059); /* C2 * (C6+C2)/2 */ static const int32_t rounder6_128[] ATTR_ALIGN(16) = rounder_sse2 (-0.25); /* C2 * (C6-C2)/2 */ static const int32_t rounder3_128[] ATTR_ALIGN(16) = rounder_sse2 (0.087788325588); /* C3*(-C3/C4+C3+C5)/2 */ static const int32_t rounder5_128[] ATTR_ALIGN(16) = rounder_sse2 (-0.441341716183); /* C3*(-C5/C4+C5-C3)/2 */ #if defined(__x86_64__) movdqa_m2r (block[0*8], xmm8); movdqa_m2r (block[4*8], xmm12); SSE2_IDCT_2ROW (table04, xmm8, xmm12, *rounder0_128, *rounder4_128); movdqa_m2r (block[1*8], xmm9); movdqa_m2r (block[7*8], xmm15); SSE2_IDCT_2ROW (table17, xmm9, xmm15, *rounder1_128, *rounder7_128); movdqa_m2r (block[2*8], xmm10); movdqa_m2r (block[6*8], xmm14); SSE2_IDCT_2ROW (table26, xmm10, xmm14, *rounder2_128, *rounder6_128); movdqa_m2r (block[3*8], xmm11); movdqa_m2r (block[5*8], xmm13); SSE2_IDCT_2ROW (table35, xmm11, xmm13, *rounder3_128, *rounder5_128); /* OUTPUT: block in xmm8 ... xmm15 */ #else movdqa_m2r (block[0*8], xmm0); movdqa_m2r (block[4*8], xmm4); SSE2_IDCT_2ROW (table04, xmm0, xmm4, *rounder0_128, *rounder4_128); movdqa_r2m (xmm0, block[0*8]); movdqa_r2m (xmm4, block[4*8]); movdqa_m2r (block[1*8], xmm0); movdqa_m2r (block[7*8], xmm4); SSE2_IDCT_2ROW (table17, xmm0, xmm4, *rounder1_128, *rounder7_128); movdqa_r2m (xmm0, block[1*8]); movdqa_r2m (xmm4, block[7*8]); movdqa_m2r (block[2*8], xmm0); movdqa_m2r (block[6*8], xmm4); SSE2_IDCT_2ROW (table26, xmm0, xmm4, *rounder2_128, *rounder6_128); movdqa_r2m (xmm0, block[2*8]); movdqa_r2m (xmm4, block[6*8]); movdqa_m2r (block[3*8], xmm0); movdqa_m2r (block[5*8], xmm4); SSE2_IDCT_2ROW (table35, xmm0, xmm4, *rounder3_128, *rounder5_128); movdqa_r2m (xmm0, block[3*8]); movdqa_r2m (xmm4, block[5*8]); #endif sse2_idct_col (block); } static void sse2_block_copy (int16_t * const block, uint8_t * dest, const int stride) { #if defined(__x86_64__) /* INPUT: block in xmm8 ... xmm15 */ packuswb_r2r (xmm8, xmm8); packuswb_r2r (xmm9, xmm9); movq_r2m (xmm8, *(dest+0*stride)); packuswb_r2r (xmm10, xmm10); movq_r2m (xmm9, *(dest+1*stride)); packuswb_r2r (xmm11, xmm11); movq_r2m (xmm10, *(dest+2*stride)); packuswb_r2r (xmm12, xmm12); movq_r2m (xmm11, *(dest+3*stride)); packuswb_r2r (xmm13, xmm13); movq_r2m (xmm12, *(dest+4*stride)); packuswb_r2r (xmm14, xmm14); movq_r2m (xmm13, *(dest+5*stride)); packuswb_r2r (xmm15, xmm15); movq_r2m (xmm14, *(dest+6*stride)); movq_r2m (xmm15, *(dest+7*stride)); #else movdqa_m2r (*(block+0*8), xmm0); movdqa_m2r (*(block+1*8), xmm1); movdqa_m2r (*(block+2*8), xmm2); packuswb_r2r (xmm0, xmm0); movdqa_m2r (*(block+3*8), xmm3); packuswb_r2r (xmm1, xmm1); movdqa_m2r (*(block+4*8), xmm4); packuswb_r2r (xmm2, xmm2); movdqa_m2r (*(block+5*8), xmm5); packuswb_r2r (xmm3, xmm3); movdqa_m2r (*(block+6*8), xmm6); packuswb_r2r (xmm4, xmm4); movdqa_m2r (*(block+7*8), xmm7); movq_r2m (xmm0, *(dest+0*stride)); packuswb_r2r (xmm5, xmm5); movq_r2m (xmm1, *(dest+1*stride)); packuswb_r2r (xmm6, xmm6); movq_r2m (xmm2, *(dest+2*stride)); packuswb_r2r (xmm7, xmm7); movq_r2m (xmm3, *(dest+3*stride)); movq_r2m (xmm4, *(dest+4*stride)); movq_r2m (xmm5, *(dest+5*stride)); movq_r2m (xmm6, *(dest+6*stride)); movq_r2m (xmm7, *(dest+7*stride)); #endif } #define COPY_MMX(offset,r0,r1,r2) \ do { \ movq_m2r (*(block+offset), r0); \ dest += stride; \ movq_m2r (*(block+offset+4), r1); \ movq_r2m (r2, *dest); \ packuswb_r2r (r1, r0); \ } while (0) static inline void block_copy (int16_t * const block, uint8_t * dest, const int stride) { movq_m2r (*(block+0*8), mm0); movq_m2r (*(block+0*8+4), mm1); movq_m2r (*(block+1*8), mm2); packuswb_r2r (mm1, mm0); movq_m2r (*(block+1*8+4), mm3); movq_r2m (mm0, *dest); packuswb_r2r (mm3, mm2); COPY_MMX (2*8, mm0, mm1, mm2); COPY_MMX (3*8, mm2, mm3, mm0); COPY_MMX (4*8, mm0, mm1, mm2); COPY_MMX (5*8, mm2, mm3, mm0); COPY_MMX (6*8, mm0, mm1, mm2); COPY_MMX (7*8, mm2, mm3, mm0); movq_r2m (mm2, *(dest+stride)); } #define ADD_SSE2_2ROW(op, block0, block1)\ do { \ movq_m2r (*(dest), xmm1); \ movq_m2r (*(dest+stride), xmm2); \ punpcklbw_r2r (xmm0, xmm1); \ punpcklbw_r2r (xmm0, xmm2); \ paddsw_##op (block0, xmm1); \ paddsw_##op (block1, xmm2); \ packuswb_r2r (xmm1, xmm1); \ packuswb_r2r (xmm2, xmm2); \ movq_r2m (xmm1, *(dest)); \ movq_r2m (xmm2, *(dest+stride)); \ dest += 2*stride; \ } while (0) static void sse2_block_add (int16_t * const block, uint8_t * dest, const int stride) { pxor_r2r(xmm0, xmm0); #if defined(__x86_64__) /* INPUT: block in xmm8 ... xmm15 */ ADD_SSE2_2ROW(r2r, xmm8, xmm9); ADD_SSE2_2ROW(r2r, xmm10, xmm11); ADD_SSE2_2ROW(r2r, xmm12, xmm13); ADD_SSE2_2ROW(r2r, xmm14, xmm15); #else ADD_SSE2_2ROW(m2r, *(block+0*8), *(block+1*8)); ADD_SSE2_2ROW(m2r, *(block+2*8), *(block+3*8)); ADD_SSE2_2ROW(m2r, *(block+4*8), *(block+5*8)); ADD_SSE2_2ROW(m2r, *(block+6*8), *(block+7*8)); #endif } #define ADD_MMX(offset,r1,r2,r3,r4) \ do { \ movq_m2r (*(dest+2*stride), r1); \ packuswb_r2r (r4, r3); \ movq_r2r (r1, r2); \ dest += stride; \ movq_r2m (r3, *dest); \ punpcklbw_r2r (mm0, r1); \ paddsw_m2r (*(block+offset), r1); \ punpckhbw_r2r (mm0, r2); \ paddsw_m2r (*(block+offset+4), r2); \ } while (0) static inline void block_add (int16_t * const block, uint8_t * dest, const int stride) { movq_m2r (*dest, mm1); pxor_r2r (mm0, mm0); movq_m2r (*(dest+stride), mm3); movq_r2r (mm1, mm2); punpcklbw_r2r (mm0, mm1); movq_r2r (mm3, mm4); paddsw_m2r (*(block+0*8), mm1); punpckhbw_r2r (mm0, mm2); paddsw_m2r (*(block+0*8+4), mm2); punpcklbw_r2r (mm0, mm3); paddsw_m2r (*(block+1*8), mm3); packuswb_r2r (mm2, mm1); punpckhbw_r2r (mm0, mm4); movq_r2m (mm1, *dest); paddsw_m2r (*(block+1*8+4), mm4); ADD_MMX (2*8, mm1, mm2, mm3, mm4); ADD_MMX (3*8, mm3, mm4, mm1, mm2); ADD_MMX (4*8, mm1, mm2, mm3, mm4); ADD_MMX (5*8, mm3, mm4, mm1, mm2); ADD_MMX (6*8, mm1, mm2, mm3, mm4); ADD_MMX (7*8, mm3, mm4, mm1, mm2); packuswb_r2r (mm4, mm3); movq_r2m (mm3, *(dest+stride)); } static inline void sse2_block_zero (int16_t * const block) { pxor_r2r (xmm0, xmm0); movdqa_r2m (xmm0, *(block+0*8)); movdqa_r2m (xmm0, *(block+1*8)); movdqa_r2m (xmm0, *(block+2*8)); movdqa_r2m (xmm0, *(block+3*8)); movdqa_r2m (xmm0, *(block+4*8)); movdqa_r2m (xmm0, *(block+5*8)); movdqa_r2m (xmm0, *(block+6*8)); movdqa_r2m (xmm0, *(block+7*8)); } static inline void block_zero (int16_t * const block) { pxor_r2r (mm0, mm0); movq_r2m (mm0, *(block+0*4)); movq_r2m (mm0, *(block+1*4)); movq_r2m (mm0, *(block+2*4)); movq_r2m (mm0, *(block+3*4)); movq_r2m (mm0, *(block+4*4)); movq_r2m (mm0, *(block+5*4)); movq_r2m (mm0, *(block+6*4)); movq_r2m (mm0, *(block+7*4)); movq_r2m (mm0, *(block+8*4)); movq_r2m (mm0, *(block+9*4)); movq_r2m (mm0, *(block+10*4)); movq_r2m (mm0, *(block+11*4)); movq_r2m (mm0, *(block+12*4)); movq_r2m (mm0, *(block+13*4)); movq_r2m (mm0, *(block+14*4)); movq_r2m (mm0, *(block+15*4)); } #define CPU_MMXEXT 0 #define CPU_MMX 1 #define dup4(reg) \ do { \ if (cpu != CPU_MMXEXT) { \ punpcklwd_r2r (reg, reg); \ punpckldq_r2r (reg, reg); \ } else \ pshufw_r2r (reg, reg, 0x00); \ } while (0) static inline void block_add_DC (int16_t * const block, uint8_t * dest, const int stride, const int cpu) { movd_v2r ((block[0] + 64) >> 7, mm0); pxor_r2r (mm1, mm1); movq_m2r (*dest, mm2); dup4 (mm0); psubsw_r2r (mm0, mm1); packuswb_r2r (mm0, mm0); paddusb_r2r (mm0, mm2); packuswb_r2r (mm1, mm1); movq_m2r (*(dest + stride), mm3); psubusb_r2r (mm1, mm2); block[0] = 0; paddusb_r2r (mm0, mm3); movq_r2m (mm2, *dest); psubusb_r2r (mm1, mm3); movq_m2r (*(dest + 2*stride), mm2); dest += stride; movq_r2m (mm3, *dest); paddusb_r2r (mm0, mm2); movq_m2r (*(dest + 2*stride), mm3); psubusb_r2r (mm1, mm2); dest += stride; paddusb_r2r (mm0, mm3); movq_r2m (mm2, *dest); psubusb_r2r (mm1, mm3); movq_m2r (*(dest + 2*stride), mm2); dest += stride; movq_r2m (mm3, *dest); paddusb_r2r (mm0, mm2); movq_m2r (*(dest + 2*stride), mm3); psubusb_r2r (mm1, mm2); dest += stride; paddusb_r2r (mm0, mm3); movq_r2m (mm2, *dest); psubusb_r2r (mm1, mm3); movq_m2r (*(dest + 2*stride), mm2); dest += stride; movq_r2m (mm3, *dest); paddusb_r2r (mm0, mm2); movq_m2r (*(dest + 2*stride), mm3); psubusb_r2r (mm1, mm2); block[63] = 0; paddusb_r2r (mm0, mm3); movq_r2m (mm2, *(dest + stride)); psubusb_r2r (mm1, mm3); movq_r2m (mm3, *(dest + 2*stride)); } void mpeg2_idct_copy_sse2 (int16_t * const block, uint8_t * const dest, const int stride) { sse2_idct (block); sse2_block_copy (block, dest, stride); sse2_block_zero (block); } void mpeg2_idct_add_sse2 (const int last, int16_t * const block, uint8_t * const dest, const int stride) { if (last != 129 || (block[0] & (7 << 4)) == (4 << 4)) { sse2_idct (block); sse2_block_add (block, dest, stride); sse2_block_zero (block); } else block_add_DC (block, dest, stride, CPU_MMXEXT); } declare_idct (mmxext_idct, mmxext_table, mmxext_row_head, mmxext_row, mmxext_row_tail, mmxext_row_mid) void mpeg2_idct_copy_mmxext (int16_t * const block, uint8_t * const dest, const int stride) { mmxext_idct (block); block_copy (block, dest, stride); block_zero (block); } void mpeg2_idct_add_mmxext (const int last, int16_t * const block, uint8_t * const dest, const int stride) { if (last != 129 || (block[0] & (7 << 4)) == (4 << 4)) { mmxext_idct (block); block_add (block, dest, stride); block_zero (block); } else block_add_DC (block, dest, stride, CPU_MMXEXT); } declare_idct (mmx_idct, mmx_table, mmx_row_head, mmx_row, mmx_row_tail, mmx_row_mid) void mpeg2_idct_copy_mmx (int16_t * const block, uint8_t * const dest, const int stride) { mmx_idct (block); block_copy (block, dest, stride); block_zero (block); } void mpeg2_idct_add_mmx (const int last, int16_t * const block, uint8_t * const dest, const int stride) { if (last != 129 || (block[0] & (7 << 4)) == (4 << 4)) { mmx_idct (block); block_add (block, dest, stride); block_zero (block); } else block_add_DC (block, dest, stride, CPU_MMX); } void mpeg2_idct_mmx_init (void) { extern uint8_t mpeg2_scan_norm[64]; extern uint8_t mpeg2_scan_alt[64]; int i, j; /* the mmx/mmxext idct uses a reordered input, so we patch scan tables */ for (i = 0; i < 64; i++) { j = mpeg2_scan_norm[i]; mpeg2_scan_norm[i] = (j & 0x38) | ((j & 6) >> 1) | ((j & 1) << 2); j = mpeg2_scan_alt[i]; mpeg2_scan_alt[i] = (j & 0x38) | ((j & 6) >> 1) | ((j & 1) << 2); } } #endif