/* * MMX and SSE2 optimized snow DSP utils * Copyright (c) 2005-2006 Robert Edele <yartrebo@earthlink.net> * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include "libavutil/cpu.h" #include "libavutil/x86/asm.h" #include "libavcodec/avcodec.h" #include "libavcodec/snow.h" #include "libavcodec/snow_dwt.h" #if HAVE_INLINE_ASM static void ff_snow_horizontal_compose97i_sse2(IDWTELEM *b, IDWTELEM *temp, int width){ const int w2= (width+1)>>1; const int w_l= (width>>1); const int w_r= w2 - 1; int i; { // Lift 0 IDWTELEM * const ref = b + w2 - 1; IDWTELEM b_0 = b[0]; //By allowing the first entry in b[0] to be calculated twice // (the first time erroneously), we allow the SSE2 code to run an extra pass. // The savings in code and time are well worth having to store this value and // calculate b[0] correctly afterwards. i = 0; __asm__ volatile( "pcmpeqd %%xmm7, %%xmm7 \n\t" "pcmpeqd %%xmm3, %%xmm3 \n\t" "psllw $1, %%xmm3 \n\t" "paddw %%xmm7, %%xmm3 \n\t" "psllw $13, %%xmm3 \n\t" ::); for(; i<w_l-15; i+=16){ __asm__ volatile( "movdqu (%1), %%xmm1 \n\t" "movdqu 16(%1), %%xmm5 \n\t" "movdqu 2(%1), %%xmm2 \n\t" "movdqu 18(%1), %%xmm6 \n\t" "paddw %%xmm1, %%xmm2 \n\t" "paddw %%xmm5, %%xmm6 \n\t" "paddw %%xmm7, %%xmm2 \n\t" "paddw %%xmm7, %%xmm6 \n\t" "pmulhw %%xmm3, %%xmm2 \n\t" "pmulhw %%xmm3, %%xmm6 \n\t" "paddw (%0), %%xmm2 \n\t" "paddw 16(%0), %%xmm6 \n\t" "movdqa %%xmm2, (%0) \n\t" "movdqa %%xmm6, 16(%0) \n\t" :: "r"(&b[i]), "r"(&ref[i]) : "memory" ); } snow_horizontal_compose_lift_lead_out(i, b, b, ref, width, w_l, 0, W_DM, W_DO, W_DS); b[0] = b_0 - ((W_DM * 2 * ref[1]+W_DO)>>W_DS); } { // Lift 1 IDWTELEM * const dst = b+w2; i = 0; for(; (((x86_reg)&dst[i]) & 0x1F) && i<w_r; i++){ dst[i] = dst[i] - (b[i] + b[i + 1]); } for(; i<w_r-15; i+=16){ __asm__ volatile( "movdqu (%1), %%xmm1 \n\t" "movdqu 16(%1), %%xmm5 \n\t" "movdqu 2(%1), %%xmm2 \n\t" "movdqu 18(%1), %%xmm6 \n\t" "paddw %%xmm1, %%xmm2 \n\t" "paddw %%xmm5, %%xmm6 \n\t" "movdqa (%0), %%xmm0 \n\t" "movdqa 16(%0), %%xmm4 \n\t" "psubw %%xmm2, %%xmm0 \n\t" "psubw %%xmm6, %%xmm4 \n\t" "movdqa %%xmm0, (%0) \n\t" "movdqa %%xmm4, 16(%0) \n\t" :: "r"(&dst[i]), "r"(&b[i]) : "memory" ); } snow_horizontal_compose_lift_lead_out(i, dst, dst, b, width, w_r, 1, W_CM, W_CO, W_CS); } { // Lift 2 IDWTELEM * const ref = b+w2 - 1; IDWTELEM b_0 = b[0]; i = 0; __asm__ volatile( "psllw $15, %%xmm7 \n\t" "pcmpeqw %%xmm6, %%xmm6 \n\t" "psrlw $13, %%xmm6 \n\t" "paddw %%xmm7, %%xmm6 \n\t" ::); for(; i<w_l-15; i+=16){ __asm__ volatile( "movdqu (%1), %%xmm0 \n\t" "movdqu 16(%1), %%xmm4 \n\t" "movdqu 2(%1), %%xmm1 \n\t" "movdqu 18(%1), %%xmm5 \n\t" //FIXME try aligned reads and shifts "paddw %%xmm6, %%xmm0 \n\t" "paddw %%xmm6, %%xmm4 \n\t" "paddw %%xmm7, %%xmm1 \n\t" "paddw %%xmm7, %%xmm5 \n\t" "pavgw %%xmm1, %%xmm0 \n\t" "pavgw %%xmm5, %%xmm4 \n\t" "psubw %%xmm7, %%xmm0 \n\t" "psubw %%xmm7, %%xmm4 \n\t" "psraw $1, %%xmm0 \n\t" "psraw $1, %%xmm4 \n\t" "movdqa (%0), %%xmm1 \n\t" "movdqa 16(%0), %%xmm5 \n\t" "paddw %%xmm1, %%xmm0 \n\t" "paddw %%xmm5, %%xmm4 \n\t" "psraw $2, %%xmm0 \n\t" "psraw $2, %%xmm4 \n\t" "paddw %%xmm1, %%xmm0 \n\t" "paddw %%xmm5, %%xmm4 \n\t" "movdqa %%xmm0, (%0) \n\t" "movdqa %%xmm4, 16(%0) \n\t" :: "r"(&b[i]), "r"(&ref[i]) : "memory" ); } snow_horizontal_compose_liftS_lead_out(i, b, b, ref, width, w_l); b[0] = b_0 + ((2 * ref[1] + W_BO-1 + 4 * b_0) >> W_BS); } { // Lift 3 IDWTELEM * const src = b+w2; i = 0; for(; (((x86_reg)&temp[i]) & 0x1F) && i<w_r; i++){ temp[i] = src[i] - ((-W_AM*(b[i] + b[i+1]))>>W_AS); } for(; i<w_r-7; i+=8){ __asm__ volatile( "movdqu 2(%1), %%xmm2 \n\t" "movdqu 18(%1), %%xmm6 \n\t" "paddw (%1), %%xmm2 \n\t" "paddw 16(%1), %%xmm6 \n\t" "movdqu (%0), %%xmm0 \n\t" "movdqu 16(%0), %%xmm4 \n\t" "paddw %%xmm2, %%xmm0 \n\t" "paddw %%xmm6, %%xmm4 \n\t" "psraw $1, %%xmm2 \n\t" "psraw $1, %%xmm6 \n\t" "paddw %%xmm0, %%xmm2 \n\t" "paddw %%xmm4, %%xmm6 \n\t" "movdqa %%xmm2, (%2) \n\t" "movdqa %%xmm6, 16(%2) \n\t" :: "r"(&src[i]), "r"(&b[i]), "r"(&temp[i]) : "memory" ); } snow_horizontal_compose_lift_lead_out(i, temp, src, b, width, w_r, 1, -W_AM, W_AO+1, W_AS); } { snow_interleave_line_header(&i, width, b, temp); for (; (i & 0x3E) != 0x3E; i-=2){ b[i+1] = temp[i>>1]; b[i] = b[i>>1]; } for (i-=62; i>=0; i-=64){ __asm__ volatile( "movdqa (%1), %%xmm0 \n\t" "movdqa 16(%1), %%xmm2 \n\t" "movdqa 32(%1), %%xmm4 \n\t" "movdqa 48(%1), %%xmm6 \n\t" "movdqa (%1), %%xmm1 \n\t" "movdqa 16(%1), %%xmm3 \n\t" "movdqa 32(%1), %%xmm5 \n\t" "movdqa 48(%1), %%xmm7 \n\t" "punpcklwd (%2), %%xmm0 \n\t" "punpcklwd 16(%2), %%xmm2 \n\t" "punpcklwd 32(%2), %%xmm4 \n\t" "punpcklwd 48(%2), %%xmm6 \n\t" "movdqa %%xmm0, (%0) \n\t" "movdqa %%xmm2, 32(%0) \n\t" "movdqa %%xmm4, 64(%0) \n\t" "movdqa %%xmm6, 96(%0) \n\t" "punpckhwd (%2), %%xmm1 \n\t" "punpckhwd 16(%2), %%xmm3 \n\t" "punpckhwd 32(%2), %%xmm5 \n\t" "punpckhwd 48(%2), %%xmm7 \n\t" "movdqa %%xmm1, 16(%0) \n\t" "movdqa %%xmm3, 48(%0) \n\t" "movdqa %%xmm5, 80(%0) \n\t" "movdqa %%xmm7, 112(%0) \n\t" :: "r"(&(b)[i]), "r"(&(b)[i>>1]), "r"(&(temp)[i>>1]) : "memory" ); } } } static void ff_snow_horizontal_compose97i_mmx(IDWTELEM *b, IDWTELEM *temp, int width){ const int w2= (width+1)>>1; const int w_l= (width>>1); const int w_r= w2 - 1; int i; { // Lift 0 IDWTELEM * const ref = b + w2 - 1; i = 1; b[0] = b[0] - ((W_DM * 2 * ref[1]+W_DO)>>W_DS); __asm__ volatile( "pcmpeqw %%mm7, %%mm7 \n\t" "pcmpeqw %%mm3, %%mm3 \n\t" "psllw $1, %%mm3 \n\t" "paddw %%mm7, %%mm3 \n\t" "psllw $13, %%mm3 \n\t" ::); for(; i<w_l-7; i+=8){ __asm__ volatile( "movq (%1), %%mm2 \n\t" "movq 8(%1), %%mm6 \n\t" "paddw 2(%1), %%mm2 \n\t" "paddw 10(%1), %%mm6 \n\t" "paddw %%mm7, %%mm2 \n\t" "paddw %%mm7, %%mm6 \n\t" "pmulhw %%mm3, %%mm2 \n\t" "pmulhw %%mm3, %%mm6 \n\t" "paddw (%0), %%mm2 \n\t" "paddw 8(%0), %%mm6 \n\t" "movq %%mm2, (%0) \n\t" "movq %%mm6, 8(%0) \n\t" :: "r"(&b[i]), "r"(&ref[i]) : "memory" ); } snow_horizontal_compose_lift_lead_out(i, b, b, ref, width, w_l, 0, W_DM, W_DO, W_DS); } { // Lift 1 IDWTELEM * const dst = b+w2; i = 0; for(; i<w_r-7; i+=8){ __asm__ volatile( "movq (%1), %%mm2 \n\t" "movq 8(%1), %%mm6 \n\t" "paddw 2(%1), %%mm2 \n\t" "paddw 10(%1), %%mm6 \n\t" "movq (%0), %%mm0 \n\t" "movq 8(%0), %%mm4 \n\t" "psubw %%mm2, %%mm0 \n\t" "psubw %%mm6, %%mm4 \n\t" "movq %%mm0, (%0) \n\t" "movq %%mm4, 8(%0) \n\t" :: "r"(&dst[i]), "r"(&b[i]) : "memory" ); } snow_horizontal_compose_lift_lead_out(i, dst, dst, b, width, w_r, 1, W_CM, W_CO, W_CS); } { // Lift 2 IDWTELEM * const ref = b+w2 - 1; i = 1; b[0] = b[0] + (((2 * ref[1] + W_BO) + 4 * b[0]) >> W_BS); __asm__ volatile( "psllw $15, %%mm7 \n\t" "pcmpeqw %%mm6, %%mm6 \n\t" "psrlw $13, %%mm6 \n\t" "paddw %%mm7, %%mm6 \n\t" ::); for(; i<w_l-7; i+=8){ __asm__ volatile( "movq (%1), %%mm0 \n\t" "movq 8(%1), %%mm4 \n\t" "movq 2(%1), %%mm1 \n\t" "movq 10(%1), %%mm5 \n\t" "paddw %%mm6, %%mm0 \n\t" "paddw %%mm6, %%mm4 \n\t" "paddw %%mm7, %%mm1 \n\t" "paddw %%mm7, %%mm5 \n\t" "pavgw %%mm1, %%mm0 \n\t" "pavgw %%mm5, %%mm4 \n\t" "psubw %%mm7, %%mm0 \n\t" "psubw %%mm7, %%mm4 \n\t" "psraw $1, %%mm0 \n\t" "psraw $1, %%mm4 \n\t" "movq (%0), %%mm1 \n\t" "movq 8(%0), %%mm5 \n\t" "paddw %%mm1, %%mm0 \n\t" "paddw %%mm5, %%mm4 \n\t" "psraw $2, %%mm0 \n\t" "psraw $2, %%mm4 \n\t" "paddw %%mm1, %%mm0 \n\t" "paddw %%mm5, %%mm4 \n\t" "movq %%mm0, (%0) \n\t" "movq %%mm4, 8(%0) \n\t" :: "r"(&b[i]), "r"(&ref[i]) : "memory" ); } snow_horizontal_compose_liftS_lead_out(i, b, b, ref, width, w_l); } { // Lift 3 IDWTELEM * const src = b+w2; i = 0; for(; i<w_r-7; i+=8){ __asm__ volatile( "movq 2(%1), %%mm2 \n\t" "movq 10(%1), %%mm6 \n\t" "paddw (%1), %%mm2 \n\t" "paddw 8(%1), %%mm6 \n\t" "movq (%0), %%mm0 \n\t" "movq 8(%0), %%mm4 \n\t" "paddw %%mm2, %%mm0 \n\t" "paddw %%mm6, %%mm4 \n\t" "psraw $1, %%mm2 \n\t" "psraw $1, %%mm6 \n\t" "paddw %%mm0, %%mm2 \n\t" "paddw %%mm4, %%mm6 \n\t" "movq %%mm2, (%2) \n\t" "movq %%mm6, 8(%2) \n\t" :: "r"(&src[i]), "r"(&b[i]), "r"(&temp[i]) : "memory" ); } snow_horizontal_compose_lift_lead_out(i, temp, src, b, width, w_r, 1, -W_AM, W_AO+1, W_AS); } { snow_interleave_line_header(&i, width, b, temp); for (; (i & 0x1E) != 0x1E; i-=2){ b[i+1] = temp[i>>1]; b[i] = b[i>>1]; } for (i-=30; i>=0; i-=32){ __asm__ volatile( "movq (%1), %%mm0 \n\t" "movq 8(%1), %%mm2 \n\t" "movq 16(%1), %%mm4 \n\t" "movq 24(%1), %%mm6 \n\t" "movq (%1), %%mm1 \n\t" "movq 8(%1), %%mm3 \n\t" "movq 16(%1), %%mm5 \n\t" "movq 24(%1), %%mm7 \n\t" "punpcklwd (%2), %%mm0 \n\t" "punpcklwd 8(%2), %%mm2 \n\t" "punpcklwd 16(%2), %%mm4 \n\t" "punpcklwd 24(%2), %%mm6 \n\t" "movq %%mm0, (%0) \n\t" "movq %%mm2, 16(%0) \n\t" "movq %%mm4, 32(%0) \n\t" "movq %%mm6, 48(%0) \n\t" "punpckhwd (%2), %%mm1 \n\t" "punpckhwd 8(%2), %%mm3 \n\t" "punpckhwd 16(%2), %%mm5 \n\t" "punpckhwd 24(%2), %%mm7 \n\t" "movq %%mm1, 8(%0) \n\t" "movq %%mm3, 24(%0) \n\t" "movq %%mm5, 40(%0) \n\t" "movq %%mm7, 56(%0) \n\t" :: "r"(&b[i]), "r"(&b[i>>1]), "r"(&temp[i>>1]) : "memory" ); } } } #if HAVE_7REGS #define snow_vertical_compose_sse2_load_add(op,r,t0,t1,t2,t3)\ ""op" ("r",%%"FF_REG_d"), %%"t0" \n\t"\ ""op" 16("r",%%"FF_REG_d"), %%"t1" \n\t"\ ""op" 32("r",%%"FF_REG_d"), %%"t2" \n\t"\ ""op" 48("r",%%"FF_REG_d"), %%"t3" \n\t" #define snow_vertical_compose_sse2_load(r,t0,t1,t2,t3)\ snow_vertical_compose_sse2_load_add("movdqa",r,t0,t1,t2,t3) #define snow_vertical_compose_sse2_add(r,t0,t1,t2,t3)\ snow_vertical_compose_sse2_load_add("paddw",r,t0,t1,t2,t3) #define snow_vertical_compose_r2r_sub(s0,s1,s2,s3,t0,t1,t2,t3)\ "psubw %%"s0", %%"t0" \n\t"\ "psubw %%"s1", %%"t1" \n\t"\ "psubw %%"s2", %%"t2" \n\t"\ "psubw %%"s3", %%"t3" \n\t" #define snow_vertical_compose_sse2_store(w,s0,s1,s2,s3)\ "movdqa %%"s0", ("w",%%"FF_REG_d") \n\t"\ "movdqa %%"s1", 16("w",%%"FF_REG_d") \n\t"\ "movdqa %%"s2", 32("w",%%"FF_REG_d") \n\t"\ "movdqa %%"s3", 48("w",%%"FF_REG_d") \n\t" #define snow_vertical_compose_sra(n,t0,t1,t2,t3)\ "psraw $"n", %%"t0" \n\t"\ "psraw $"n", %%"t1" \n\t"\ "psraw $"n", %%"t2" \n\t"\ "psraw $"n", %%"t3" \n\t" #define snow_vertical_compose_r2r_add(s0,s1,s2,s3,t0,t1,t2,t3)\ "paddw %%"s0", %%"t0" \n\t"\ "paddw %%"s1", %%"t1" \n\t"\ "paddw %%"s2", %%"t2" \n\t"\ "paddw %%"s3", %%"t3" \n\t" #define snow_vertical_compose_r2r_pmulhw(s0,s1,s2,s3,t0,t1,t2,t3)\ "pmulhw %%"s0", %%"t0" \n\t"\ "pmulhw %%"s1", %%"t1" \n\t"\ "pmulhw %%"s2", %%"t2" \n\t"\ "pmulhw %%"s3", %%"t3" \n\t" #define snow_vertical_compose_sse2_move(s0,s1,s2,s3,t0,t1,t2,t3)\ "movdqa %%"s0", %%"t0" \n\t"\ "movdqa %%"s1", %%"t1" \n\t"\ "movdqa %%"s2", %%"t2" \n\t"\ "movdqa %%"s3", %%"t3" \n\t" static void ff_snow_vertical_compose97i_sse2(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, IDWTELEM *b5, int width){ x86_reg i = width; while(i & 0x1F) { i--; b4[i] -= (W_DM*(b3[i] + b5[i])+W_DO)>>W_DS; b3[i] -= (W_CM*(b2[i] + b4[i])+W_CO)>>W_CS; b2[i] += (W_BM*(b1[i] + b3[i])+4*b2[i]+W_BO)>>W_BS; b1[i] += (W_AM*(b0[i] + b2[i])+W_AO)>>W_AS; } i+=i; __asm__ volatile ( "jmp 2f \n\t" "1: \n\t" snow_vertical_compose_sse2_load("%4","xmm0","xmm2","xmm4","xmm6") snow_vertical_compose_sse2_add("%6","xmm0","xmm2","xmm4","xmm6") "pcmpeqw %%xmm0, %%xmm0 \n\t" "pcmpeqw %%xmm2, %%xmm2 \n\t" "paddw %%xmm2, %%xmm2 \n\t" "paddw %%xmm0, %%xmm2 \n\t" "psllw $13, %%xmm2 \n\t" snow_vertical_compose_r2r_add("xmm0","xmm0","xmm0","xmm0","xmm1","xmm3","xmm5","xmm7") snow_vertical_compose_r2r_pmulhw("xmm2","xmm2","xmm2","xmm2","xmm1","xmm3","xmm5","xmm7") snow_vertical_compose_sse2_add("%5","xmm1","xmm3","xmm5","xmm7") snow_vertical_compose_sse2_store("%5","xmm1","xmm3","xmm5","xmm7") snow_vertical_compose_sse2_load("%4","xmm0","xmm2","xmm4","xmm6") snow_vertical_compose_sse2_add("%3","xmm1","xmm3","xmm5","xmm7") snow_vertical_compose_r2r_sub("xmm1","xmm3","xmm5","xmm7","xmm0","xmm2","xmm4","xmm6") snow_vertical_compose_sse2_store("%4","xmm0","xmm2","xmm4","xmm6") "pcmpeqw %%xmm7, %%xmm7 \n\t" "pcmpeqw %%xmm5, %%xmm5 \n\t" "psllw $15, %%xmm7 \n\t" "psrlw $13, %%xmm5 \n\t" "paddw %%xmm7, %%xmm5 \n\t" snow_vertical_compose_r2r_add("xmm5","xmm5","xmm5","xmm5","xmm0","xmm2","xmm4","xmm6") "movq (%2,%%"FF_REG_d"), %%xmm1 \n\t" "movq 8(%2,%%"FF_REG_d"), %%xmm3 \n\t" "paddw %%xmm7, %%xmm1 \n\t" "paddw %%xmm7, %%xmm3 \n\t" "pavgw %%xmm1, %%xmm0 \n\t" "pavgw %%xmm3, %%xmm2 \n\t" "movq 16(%2,%%"FF_REG_d"), %%xmm1 \n\t" "movq 24(%2,%%"FF_REG_d"), %%xmm3 \n\t" "paddw %%xmm7, %%xmm1 \n\t" "paddw %%xmm7, %%xmm3 \n\t" "pavgw %%xmm1, %%xmm4 \n\t" "pavgw %%xmm3, %%xmm6 \n\t" snow_vertical_compose_r2r_sub("xmm7","xmm7","xmm7","xmm7","xmm0","xmm2","xmm4","xmm6") snow_vertical_compose_sra("1","xmm0","xmm2","xmm4","xmm6") snow_vertical_compose_sse2_add("%3","xmm0","xmm2","xmm4","xmm6") snow_vertical_compose_sra("2","xmm0","xmm2","xmm4","xmm6") snow_vertical_compose_sse2_add("%3","xmm0","xmm2","xmm4","xmm6") snow_vertical_compose_sse2_store("%3","xmm0","xmm2","xmm4","xmm6") snow_vertical_compose_sse2_add("%1","xmm0","xmm2","xmm4","xmm6") snow_vertical_compose_sse2_move("xmm0","xmm2","xmm4","xmm6","xmm1","xmm3","xmm5","xmm7") snow_vertical_compose_sra("1","xmm0","xmm2","xmm4","xmm6") snow_vertical_compose_r2r_add("xmm1","xmm3","xmm5","xmm7","xmm0","xmm2","xmm4","xmm6") snow_vertical_compose_sse2_add("%2","xmm0","xmm2","xmm4","xmm6") snow_vertical_compose_sse2_store("%2","xmm0","xmm2","xmm4","xmm6") "2: \n\t" "sub $64, %%"FF_REG_d" \n\t" "jge 1b \n\t" :"+d"(i) :"r"(b0),"r"(b1),"r"(b2),"r"(b3),"r"(b4),"r"(b5)); } #define snow_vertical_compose_mmx_load_add(op,r,t0,t1,t2,t3)\ ""op" ("r",%%"FF_REG_d"), %%"t0" \n\t"\ ""op" 8("r",%%"FF_REG_d"), %%"t1" \n\t"\ ""op" 16("r",%%"FF_REG_d"), %%"t2" \n\t"\ ""op" 24("r",%%"FF_REG_d"), %%"t3" \n\t" #define snow_vertical_compose_mmx_load(r,t0,t1,t2,t3)\ snow_vertical_compose_mmx_load_add("movq",r,t0,t1,t2,t3) #define snow_vertical_compose_mmx_add(r,t0,t1,t2,t3)\ snow_vertical_compose_mmx_load_add("paddw",r,t0,t1,t2,t3) #define snow_vertical_compose_mmx_store(w,s0,s1,s2,s3)\ "movq %%"s0", ("w",%%"FF_REG_d") \n\t"\ "movq %%"s1", 8("w",%%"FF_REG_d") \n\t"\ "movq %%"s2", 16("w",%%"FF_REG_d") \n\t"\ "movq %%"s3", 24("w",%%"FF_REG_d") \n\t" #define snow_vertical_compose_mmx_move(s0,s1,s2,s3,t0,t1,t2,t3)\ "movq %%"s0", %%"t0" \n\t"\ "movq %%"s1", %%"t1" \n\t"\ "movq %%"s2", %%"t2" \n\t"\ "movq %%"s3", %%"t3" \n\t" static void ff_snow_vertical_compose97i_mmx(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, IDWTELEM *b5, int width){ x86_reg i = width; while(i & 15) { i--; b4[i] -= (W_DM*(b3[i] + b5[i])+W_DO)>>W_DS; b3[i] -= (W_CM*(b2[i] + b4[i])+W_CO)>>W_CS; b2[i] += (W_BM*(b1[i] + b3[i])+4*b2[i]+W_BO)>>W_BS; b1[i] += (W_AM*(b0[i] + b2[i])+W_AO)>>W_AS; } i+=i; __asm__ volatile( "jmp 2f \n\t" "1: \n\t" snow_vertical_compose_mmx_load("%4","mm1","mm3","mm5","mm7") snow_vertical_compose_mmx_add("%6","mm1","mm3","mm5","mm7") "pcmpeqw %%mm0, %%mm0 \n\t" "pcmpeqw %%mm2, %%mm2 \n\t" "paddw %%mm2, %%mm2 \n\t" "paddw %%mm0, %%mm2 \n\t" "psllw $13, %%mm2 \n\t" snow_vertical_compose_r2r_add("mm0","mm0","mm0","mm0","mm1","mm3","mm5","mm7") snow_vertical_compose_r2r_pmulhw("mm2","mm2","mm2","mm2","mm1","mm3","mm5","mm7") snow_vertical_compose_mmx_add("%5","mm1","mm3","mm5","mm7") snow_vertical_compose_mmx_store("%5","mm1","mm3","mm5","mm7") snow_vertical_compose_mmx_load("%4","mm0","mm2","mm4","mm6") snow_vertical_compose_mmx_add("%3","mm1","mm3","mm5","mm7") snow_vertical_compose_r2r_sub("mm1","mm3","mm5","mm7","mm0","mm2","mm4","mm6") snow_vertical_compose_mmx_store("%4","mm0","mm2","mm4","mm6") "pcmpeqw %%mm7, %%mm7 \n\t" "pcmpeqw %%mm5, %%mm5 \n\t" "psllw $15, %%mm7 \n\t" "psrlw $13, %%mm5 \n\t" "paddw %%mm7, %%mm5 \n\t" snow_vertical_compose_r2r_add("mm5","mm5","mm5","mm5","mm0","mm2","mm4","mm6") "movq (%2,%%"FF_REG_d"), %%mm1 \n\t" "movq 8(%2,%%"FF_REG_d"), %%mm3 \n\t" "paddw %%mm7, %%mm1 \n\t" "paddw %%mm7, %%mm3 \n\t" "pavgw %%mm1, %%mm0 \n\t" "pavgw %%mm3, %%mm2 \n\t" "movq 16(%2,%%"FF_REG_d"), %%mm1 \n\t" "movq 24(%2,%%"FF_REG_d"), %%mm3 \n\t" "paddw %%mm7, %%mm1 \n\t" "paddw %%mm7, %%mm3 \n\t" "pavgw %%mm1, %%mm4 \n\t" "pavgw %%mm3, %%mm6 \n\t" snow_vertical_compose_r2r_sub("mm7","mm7","mm7","mm7","mm0","mm2","mm4","mm6") snow_vertical_compose_sra("1","mm0","mm2","mm4","mm6") snow_vertical_compose_mmx_add("%3","mm0","mm2","mm4","mm6") snow_vertical_compose_sra("2","mm0","mm2","mm4","mm6") snow_vertical_compose_mmx_add("%3","mm0","mm2","mm4","mm6") snow_vertical_compose_mmx_store("%3","mm0","mm2","mm4","mm6") snow_vertical_compose_mmx_add("%1","mm0","mm2","mm4","mm6") snow_vertical_compose_mmx_move("mm0","mm2","mm4","mm6","mm1","mm3","mm5","mm7") snow_vertical_compose_sra("1","mm0","mm2","mm4","mm6") snow_vertical_compose_r2r_add("mm1","mm3","mm5","mm7","mm0","mm2","mm4","mm6") snow_vertical_compose_mmx_add("%2","mm0","mm2","mm4","mm6") snow_vertical_compose_mmx_store("%2","mm0","mm2","mm4","mm6") "2: \n\t" "sub $32, %%"FF_REG_d" \n\t" "jge 1b \n\t" :"+d"(i) :"r"(b0),"r"(b1),"r"(b2),"r"(b3),"r"(b4),"r"(b5)); } #endif //HAVE_7REGS #if HAVE_6REGS #define snow_inner_add_yblock_sse2_header \ IDWTELEM * * dst_array = sb->line + src_y;\ x86_reg tmp;\ __asm__ volatile(\ "mov %7, %%"FF_REG_c" \n\t"\ "mov %6, %2 \n\t"\ "mov %4, %%"FF_REG_S" \n\t"\ "pxor %%xmm7, %%xmm7 \n\t" /* 0 */\ "pcmpeqd %%xmm3, %%xmm3 \n\t"\ "psllw $15, %%xmm3 \n\t"\ "psrlw $12, %%xmm3 \n\t" /* FRAC_BITS >> 1 */\ "1: \n\t"\ "mov %1, %%"FF_REG_D" \n\t"\ "mov (%%"FF_REG_D"), %%"FF_REG_D" \n\t"\ "add %3, %%"FF_REG_D" \n\t" #define snow_inner_add_yblock_sse2_start_8(out_reg1, out_reg2, ptr_offset, s_offset)\ "mov "FF_PTR_SIZE"*"ptr_offset"(%%"FF_REG_a"), %%"FF_REG_d"; \n\t"\ "movq (%%"FF_REG_d"), %%"out_reg1" \n\t"\ "movq (%%"FF_REG_d", %%"FF_REG_c"), %%"out_reg2" \n\t"\ "punpcklbw %%xmm7, %%"out_reg1" \n\t"\ "punpcklbw %%xmm7, %%"out_reg2" \n\t"\ "movq "s_offset"(%%"FF_REG_S"), %%xmm0 \n\t"\ "movq "s_offset"+16(%%"FF_REG_S"), %%xmm4 \n\t"\ "punpcklbw %%xmm7, %%xmm0 \n\t"\ "punpcklbw %%xmm7, %%xmm4 \n\t"\ "pmullw %%xmm0, %%"out_reg1" \n\t"\ "pmullw %%xmm4, %%"out_reg2" \n\t" #define snow_inner_add_yblock_sse2_start_16(out_reg1, out_reg2, ptr_offset, s_offset)\ "mov "FF_PTR_SIZE"*"ptr_offset"(%%"FF_REG_a"), %%"FF_REG_d"; \n\t"\ "movq (%%"FF_REG_d"), %%"out_reg1" \n\t"\ "movq 8(%%"FF_REG_d"), %%"out_reg2" \n\t"\ "punpcklbw %%xmm7, %%"out_reg1" \n\t"\ "punpcklbw %%xmm7, %%"out_reg2" \n\t"\ "movq "s_offset"(%%"FF_REG_S"), %%xmm0 \n\t"\ "movq "s_offset"+8(%%"FF_REG_S"), %%xmm4 \n\t"\ "punpcklbw %%xmm7, %%xmm0 \n\t"\ "punpcklbw %%xmm7, %%xmm4 \n\t"\ "pmullw %%xmm0, %%"out_reg1" \n\t"\ "pmullw %%xmm4, %%"out_reg2" \n\t" #define snow_inner_add_yblock_sse2_accum_8(ptr_offset, s_offset) \ snow_inner_add_yblock_sse2_start_8("xmm2", "xmm6", ptr_offset, s_offset)\ "paddusw %%xmm2, %%xmm1 \n\t"\ "paddusw %%xmm6, %%xmm5 \n\t" #define snow_inner_add_yblock_sse2_accum_16(ptr_offset, s_offset) \ snow_inner_add_yblock_sse2_start_16("xmm2", "xmm6", ptr_offset, s_offset)\ "paddusw %%xmm2, %%xmm1 \n\t"\ "paddusw %%xmm6, %%xmm5 \n\t" #define snow_inner_add_yblock_sse2_end_common1\ "add $32, %%"FF_REG_S" \n\t"\ "add %%"FF_REG_c", %0 \n\t"\ "add %%"FF_REG_c", "FF_PTR_SIZE"*3(%%"FF_REG_a"); \n\t"\ "add %%"FF_REG_c", "FF_PTR_SIZE"*2(%%"FF_REG_a"); \n\t"\ "add %%"FF_REG_c", "FF_PTR_SIZE"*1(%%"FF_REG_a"); \n\t"\ "add %%"FF_REG_c", (%%"FF_REG_a") \n\t" #define snow_inner_add_yblock_sse2_end_common2\ "jnz 1b \n\t"\ :"+m"(dst8),"+m"(dst_array),"=&r"(tmp)\ :\ "rm"((x86_reg)(src_x<<1)),"m"(obmc),"a"(block),"m"(b_h),"m"(src_stride):\ XMM_CLOBBERS("%xmm0", "%xmm1", "%xmm2", "%xmm3", "%xmm4", "%xmm5", "%xmm6", "%xmm7", )\ "%"FF_REG_c"","%"FF_REG_S"","%"FF_REG_D"","%"FF_REG_d""); #define snow_inner_add_yblock_sse2_end_8\ "sal $1, %%"FF_REG_c" \n\t"\ "add"FF_OPSIZE" $"FF_PTR_SIZE"*2, %1 \n\t"\ snow_inner_add_yblock_sse2_end_common1\ "sar $1, %%"FF_REG_c" \n\t"\ "sub $2, %2 \n\t"\ snow_inner_add_yblock_sse2_end_common2 #define snow_inner_add_yblock_sse2_end_16\ "add"FF_OPSIZE" $"FF_PTR_SIZE"*1, %1 \n\t"\ snow_inner_add_yblock_sse2_end_common1\ "dec %2 \n\t"\ snow_inner_add_yblock_sse2_end_common2 static void inner_add_yblock_bw_8_obmc_16_bh_even_sse2(const uint8_t *obmc, const x86_reg obmc_stride, uint8_t * * block, int b_w, x86_reg b_h, int src_x, int src_y, x86_reg src_stride, slice_buffer * sb, int add, uint8_t * dst8){ snow_inner_add_yblock_sse2_header snow_inner_add_yblock_sse2_start_8("xmm1", "xmm5", "3", "0") snow_inner_add_yblock_sse2_accum_8("2", "8") snow_inner_add_yblock_sse2_accum_8("1", "128") snow_inner_add_yblock_sse2_accum_8("0", "136") "mov %0, %%"FF_REG_d" \n\t" "movdqa (%%"FF_REG_D"), %%xmm0 \n\t" "movdqa %%xmm1, %%xmm2 \n\t" "punpckhwd %%xmm7, %%xmm1 \n\t" "punpcklwd %%xmm7, %%xmm2 \n\t" "paddd %%xmm2, %%xmm0 \n\t" "movdqa 16(%%"FF_REG_D"), %%xmm2\n\t" "paddd %%xmm1, %%xmm2 \n\t" "paddd %%xmm3, %%xmm0 \n\t" "paddd %%xmm3, %%xmm2 \n\t" "mov %1, %%"FF_REG_D" \n\t" "mov "FF_PTR_SIZE"(%%"FF_REG_D"), %%"FF_REG_D"; \n\t" "add %3, %%"FF_REG_D" \n\t" "movdqa (%%"FF_REG_D"), %%xmm4 \n\t" "movdqa %%xmm5, %%xmm6 \n\t" "punpckhwd %%xmm7, %%xmm5 \n\t" "punpcklwd %%xmm7, %%xmm6 \n\t" "paddd %%xmm6, %%xmm4 \n\t" "movdqa 16(%%"FF_REG_D"), %%xmm6\n\t" "paddd %%xmm5, %%xmm6 \n\t" "paddd %%xmm3, %%xmm4 \n\t" "paddd %%xmm3, %%xmm6 \n\t" "psrad $8, %%xmm0 \n\t" /* FRAC_BITS. */ "psrad $8, %%xmm2 \n\t" /* FRAC_BITS. */ "packssdw %%xmm2, %%xmm0 \n\t" "packuswb %%xmm7, %%xmm0 \n\t" "movq %%xmm0, (%%"FF_REG_d") \n\t" "psrad $8, %%xmm4 \n\t" /* FRAC_BITS. */ "psrad $8, %%xmm6 \n\t" /* FRAC_BITS. */ "packssdw %%xmm6, %%xmm4 \n\t" "packuswb %%xmm7, %%xmm4 \n\t" "movq %%xmm4, (%%"FF_REG_d",%%"FF_REG_c"); \n\t" snow_inner_add_yblock_sse2_end_8 } static void inner_add_yblock_bw_16_obmc_32_sse2(const uint8_t *obmc, const x86_reg obmc_stride, uint8_t * * block, int b_w, x86_reg b_h, int src_x, int src_y, x86_reg src_stride, slice_buffer * sb, int add, uint8_t * dst8){ snow_inner_add_yblock_sse2_header snow_inner_add_yblock_sse2_start_16("xmm1", "xmm5", "3", "0") snow_inner_add_yblock_sse2_accum_16("2", "16") snow_inner_add_yblock_sse2_accum_16("1", "512") snow_inner_add_yblock_sse2_accum_16("0", "528") "mov %0, %%"FF_REG_d" \n\t" "psrlw $4, %%xmm1 \n\t" "psrlw $4, %%xmm5 \n\t" "paddw (%%"FF_REG_D"), %%xmm1 \n\t" "paddw 16(%%"FF_REG_D"), %%xmm5 \n\t" "paddw %%xmm3, %%xmm1 \n\t" "paddw %%xmm3, %%xmm5 \n\t" "psraw $4, %%xmm1 \n\t" /* FRAC_BITS. */ "psraw $4, %%xmm5 \n\t" /* FRAC_BITS. */ "packuswb %%xmm5, %%xmm1 \n\t" "movdqu %%xmm1, (%%"FF_REG_d") \n\t" snow_inner_add_yblock_sse2_end_16 } #define snow_inner_add_yblock_mmx_header \ IDWTELEM * * dst_array = sb->line + src_y;\ x86_reg tmp;\ __asm__ volatile(\ "mov %7, %%"FF_REG_c" \n\t"\ "mov %6, %2 \n\t"\ "mov %4, %%"FF_REG_S" \n\t"\ "pxor %%mm7, %%mm7 \n\t" /* 0 */\ "pcmpeqd %%mm3, %%mm3 \n\t"\ "psllw $15, %%mm3 \n\t"\ "psrlw $12, %%mm3 \n\t" /* FRAC_BITS >> 1 */\ "1: \n\t"\ "mov %1, %%"FF_REG_D" \n\t"\ "mov (%%"FF_REG_D"), %%"FF_REG_D" \n\t"\ "add %3, %%"FF_REG_D" \n\t" #define snow_inner_add_yblock_mmx_start(out_reg1, out_reg2, ptr_offset, s_offset, d_offset)\ "mov "FF_PTR_SIZE"*"ptr_offset"(%%"FF_REG_a"), %%"FF_REG_d"; \n\t"\ "movd "d_offset"(%%"FF_REG_d"), %%"out_reg1" \n\t"\ "movd "d_offset"+4(%%"FF_REG_d"), %%"out_reg2" \n\t"\ "punpcklbw %%mm7, %%"out_reg1" \n\t"\ "punpcklbw %%mm7, %%"out_reg2" \n\t"\ "movd "s_offset"(%%"FF_REG_S"), %%mm0 \n\t"\ "movd "s_offset"+4(%%"FF_REG_S"), %%mm4 \n\t"\ "punpcklbw %%mm7, %%mm0 \n\t"\ "punpcklbw %%mm7, %%mm4 \n\t"\ "pmullw %%mm0, %%"out_reg1" \n\t"\ "pmullw %%mm4, %%"out_reg2" \n\t" #define snow_inner_add_yblock_mmx_accum(ptr_offset, s_offset, d_offset) \ snow_inner_add_yblock_mmx_start("mm2", "mm6", ptr_offset, s_offset, d_offset)\ "paddusw %%mm2, %%mm1 \n\t"\ "paddusw %%mm6, %%mm5 \n\t" #define snow_inner_add_yblock_mmx_mix(read_offset, write_offset)\ "mov %0, %%"FF_REG_d" \n\t"\ "psrlw $4, %%mm1 \n\t"\ "psrlw $4, %%mm5 \n\t"\ "paddw "read_offset"(%%"FF_REG_D"), %%mm1 \n\t"\ "paddw "read_offset"+8(%%"FF_REG_D"), %%mm5 \n\t"\ "paddw %%mm3, %%mm1 \n\t"\ "paddw %%mm3, %%mm5 \n\t"\ "psraw $4, %%mm1 \n\t"\ "psraw $4, %%mm5 \n\t"\ "packuswb %%mm5, %%mm1 \n\t"\ "movq %%mm1, "write_offset"(%%"FF_REG_d") \n\t" #define snow_inner_add_yblock_mmx_end(s_step)\ "add $"s_step", %%"FF_REG_S" \n\t"\ "add %%"FF_REG_c", "FF_PTR_SIZE"*3(%%"FF_REG_a"); \n\t"\ "add %%"FF_REG_c", "FF_PTR_SIZE"*2(%%"FF_REG_a"); \n\t"\ "add %%"FF_REG_c", "FF_PTR_SIZE"*1(%%"FF_REG_a"); \n\t"\ "add %%"FF_REG_c", (%%"FF_REG_a") \n\t"\ "add"FF_OPSIZE " $"FF_PTR_SIZE"*1, %1 \n\t"\ "add %%"FF_REG_c", %0 \n\t"\ "dec %2 \n\t"\ "jnz 1b \n\t"\ :"+m"(dst8),"+m"(dst_array),"=&r"(tmp)\ :\ "rm"((x86_reg)(src_x<<1)),"m"(obmc),"a"(block),"m"(b_h),"m"(src_stride):\ "%"FF_REG_c"","%"FF_REG_S"","%"FF_REG_D"","%"FF_REG_d""); static void inner_add_yblock_bw_8_obmc_16_mmx(const uint8_t *obmc, const x86_reg obmc_stride, uint8_t * * block, int b_w, x86_reg b_h, int src_x, int src_y, x86_reg src_stride, slice_buffer * sb, int add, uint8_t * dst8){ snow_inner_add_yblock_mmx_header snow_inner_add_yblock_mmx_start("mm1", "mm5", "3", "0", "0") snow_inner_add_yblock_mmx_accum("2", "8", "0") snow_inner_add_yblock_mmx_accum("1", "128", "0") snow_inner_add_yblock_mmx_accum("0", "136", "0") snow_inner_add_yblock_mmx_mix("0", "0") snow_inner_add_yblock_mmx_end("16") } static void inner_add_yblock_bw_16_obmc_32_mmx(const uint8_t *obmc, const x86_reg obmc_stride, uint8_t * * block, int b_w, x86_reg b_h, int src_x, int src_y, x86_reg src_stride, slice_buffer * sb, int add, uint8_t * dst8){ snow_inner_add_yblock_mmx_header snow_inner_add_yblock_mmx_start("mm1", "mm5", "3", "0", "0") snow_inner_add_yblock_mmx_accum("2", "16", "0") snow_inner_add_yblock_mmx_accum("1", "512", "0") snow_inner_add_yblock_mmx_accum("0", "528", "0") snow_inner_add_yblock_mmx_mix("0", "0") snow_inner_add_yblock_mmx_start("mm1", "mm5", "3", "8", "8") snow_inner_add_yblock_mmx_accum("2", "24", "8") snow_inner_add_yblock_mmx_accum("1", "520", "8") snow_inner_add_yblock_mmx_accum("0", "536", "8") snow_inner_add_yblock_mmx_mix("16", "8") snow_inner_add_yblock_mmx_end("32") } static void ff_snow_inner_add_yblock_sse2(const uint8_t *obmc, const int obmc_stride, uint8_t * * block, int b_w, int b_h, int src_x, int src_y, int src_stride, slice_buffer * sb, int add, uint8_t * dst8){ if (b_w == 16) inner_add_yblock_bw_16_obmc_32_sse2(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8); else if (b_w == 8 && obmc_stride == 16) { if (!(b_h & 1)) inner_add_yblock_bw_8_obmc_16_bh_even_sse2(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8); else inner_add_yblock_bw_8_obmc_16_mmx(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8); } else ff_snow_inner_add_yblock(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8); } static void ff_snow_inner_add_yblock_mmx(const uint8_t *obmc, const int obmc_stride, uint8_t * * block, int b_w, int b_h, int src_x, int src_y, int src_stride, slice_buffer * sb, int add, uint8_t * dst8){ if (b_w == 16) inner_add_yblock_bw_16_obmc_32_mmx(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8); else if (b_w == 8 && obmc_stride == 16) inner_add_yblock_bw_8_obmc_16_mmx(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8); else ff_snow_inner_add_yblock(obmc, obmc_stride, block, b_w, b_h, src_x,src_y, src_stride, sb, add, dst8); } #endif /* HAVE_6REGS */ #endif /* HAVE_INLINE_ASM */ av_cold void ff_dwt_init_x86(SnowDWTContext *c) { #if HAVE_INLINE_ASM int mm_flags = av_get_cpu_flags(); if (mm_flags & AV_CPU_FLAG_MMX) { if(mm_flags & AV_CPU_FLAG_SSE2 & 0){ c->horizontal_compose97i = ff_snow_horizontal_compose97i_sse2; #if HAVE_7REGS c->vertical_compose97i = ff_snow_vertical_compose97i_sse2; #endif #if HAVE_6REGS c->inner_add_yblock = ff_snow_inner_add_yblock_sse2; #endif } else{ if (mm_flags & AV_CPU_FLAG_MMXEXT) { c->horizontal_compose97i = ff_snow_horizontal_compose97i_mmx; #if HAVE_7REGS c->vertical_compose97i = ff_snow_vertical_compose97i_mmx; #endif } #if HAVE_6REGS c->inner_add_yblock = ff_snow_inner_add_yblock_mmx; #endif } } #endif /* HAVE_INLINE_ASM */ }