/* * MMX and SSE2 optimized snow DSP utils * Copyright (c) 2005-2006 Robert Edele * * 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 "avcodec.h" #include "snow.h" #include "x86_cpu.h" void ff_snow_horizontal_compose97i_sse2(DWTELEM *b, int width){ const int w2= (width+1)>>1; // SSE2 code runs faster with pointers aligned on a 32-byte boundary. DWTELEM temp_buf[(width>>1) + 4]; DWTELEM * const temp = temp_buf + 4 - (((int)temp_buf & 0xF) >> 2); const int w_l= (width>>1); const int w_r= w2 - 1; int i; { // Lift 0 DWTELEM * const ref = b + w2 - 1; DWTELEM 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" "pslld $31, %%xmm7 \n\t" "psrld $29, %%xmm7 \n\t" ::); for(; i>W_DS); } { // Lift 1 DWTELEM * const dst = b+w2; i = 0; for(; (((long)&dst[i]) & 0xF) && i> W_BS); } { // Lift 3 DWTELEM * const src = b+w2; i = 0; for(; (((long)&temp[i]) & 0xF) && i>W_AS); } for(; i>1]; b[i] = b[i>>1]; } for (i-=30; i>=0; i-=32){ 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" "punpckldq (%2), %%xmm0 \n\t" "punpckldq 16(%2), %%xmm2 \n\t" "punpckldq 32(%2), %%xmm4 \n\t" "punpckldq 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" "punpckhdq (%2), %%xmm1 \n\t" "punpckhdq 16(%2), %%xmm3 \n\t" "punpckhdq 32(%2), %%xmm5 \n\t" "punpckhdq 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" ); } } } void ff_snow_horizontal_compose97i_mmx(DWTELEM *b, int width){ const int w2= (width+1)>>1; DWTELEM temp[width >> 1]; const int w_l= (width>>1); const int w_r= w2 - 1; int i; { // Lift 0 DWTELEM * const ref = b + w2 - 1; i = 1; b[0] = b[0] - ((W_DM * 2 * ref[1]+W_DO)>>W_DS); asm volatile( "pcmpeqd %%mm7, %%mm7 \n\t" "pslld $31, %%mm7 \n\t" "psrld $29, %%mm7 \n\t" ::); for(; i> W_BS); asm volatile( "pcmpeqd %%mm7, %%mm7 \n\t" "psrld $29, %%mm7 \n\t" ::); for(; i>1]; b[i] = b[i>>1]; } for (i-=14; i>=0; i-=16){ 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" "punpckldq (%2), %%mm0 \n\t" "punpckldq 8(%2), %%mm2 \n\t" "punpckldq 16(%2), %%mm4 \n\t" "punpckldq 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" "punpckhdq (%2), %%mm1 \n\t" "punpckhdq 8(%2), %%mm3 \n\t" "punpckhdq 16(%2), %%mm5 \n\t" "punpckhdq 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" ); } } } #define snow_vertical_compose_sse2_load_add(op,r,t0,t1,t2,t3)\ ""op" (%%"r",%%"REG_d",4), %%"t0" \n\t"\ ""op" 16(%%"r",%%"REG_d",4), %%"t1" \n\t"\ ""op" 32(%%"r",%%"REG_d",4), %%"t2" \n\t"\ ""op" 48(%%"r",%%"REG_d",4), %%"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("paddd",r,t0,t1,t2,t3) #define snow_vertical_compose_sse2_sub(s0,s1,s2,s3,t0,t1,t2,t3)\ "psubd %%"s0", %%"t0" \n\t"\ "psubd %%"s1", %%"t1" \n\t"\ "psubd %%"s2", %%"t2" \n\t"\ "psubd %%"s3", %%"t3" \n\t" #define snow_vertical_compose_sse2_store(w,s0,s1,s2,s3)\ "movdqa %%"s0", (%%"w",%%"REG_d",4) \n\t"\ "movdqa %%"s1", 16(%%"w",%%"REG_d",4) \n\t"\ "movdqa %%"s2", 32(%%"w",%%"REG_d",4) \n\t"\ "movdqa %%"s3", 48(%%"w",%%"REG_d",4) \n\t" #define snow_vertical_compose_sse2_sra(n,t0,t1,t2,t3)\ "psrad $"n", %%"t0" \n\t"\ "psrad $"n", %%"t1" \n\t"\ "psrad $"n", %%"t2" \n\t"\ "psrad $"n", %%"t3" \n\t" #define snow_vertical_compose_sse2_r2r_add(s0,s1,s2,s3,t0,t1,t2,t3)\ "paddd %%"s0", %%"t0" \n\t"\ "paddd %%"s1", %%"t1" \n\t"\ "paddd %%"s2", %%"t2" \n\t"\ "paddd %%"s3", %%"t3" \n\t" #define snow_vertical_compose_sse2_sll(n,t0,t1,t2,t3)\ "pslld $"n", %%"t0" \n\t"\ "pslld $"n", %%"t1" \n\t"\ "pslld $"n", %%"t2" \n\t"\ "pslld $"n", %%"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" void ff_snow_vertical_compose97i_sse2(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, DWTELEM *b3, DWTELEM *b4, DWTELEM *b5, int width){ long i = width; while(i & 0xF) { 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; } asm volatile ( "jmp 2f \n\t" "1: \n\t" "mov %6, %%"REG_a" \n\t" "mov %4, %%"REG_S" \n\t" snow_vertical_compose_sse2_load(REG_S,"xmm0","xmm2","xmm4","xmm6") snow_vertical_compose_sse2_add(REG_a,"xmm0","xmm2","xmm4","xmm6") snow_vertical_compose_sse2_move("xmm0","xmm2","xmm4","xmm6","xmm1","xmm3","xmm5","xmm7") snow_vertical_compose_sse2_sll("1","xmm0","xmm2","xmm4","xmm6")\ snow_vertical_compose_sse2_r2r_add("xmm1","xmm3","xmm5","xmm7","xmm0","xmm2","xmm4","xmm6") "pcmpeqd %%xmm1, %%xmm1 \n\t" "pslld $31, %%xmm1 \n\t" "psrld $29, %%xmm1 \n\t" "mov %5, %%"REG_a" \n\t" snow_vertical_compose_sse2_r2r_add("xmm1","xmm1","xmm1","xmm1","xmm0","xmm2","xmm4","xmm6") snow_vertical_compose_sse2_sra("3","xmm0","xmm2","xmm4","xmm6") snow_vertical_compose_sse2_load(REG_a,"xmm1","xmm3","xmm5","xmm7") snow_vertical_compose_sse2_sub("xmm0","xmm2","xmm4","xmm6","xmm1","xmm3","xmm5","xmm7") snow_vertical_compose_sse2_store(REG_a,"xmm1","xmm3","xmm5","xmm7") "mov %3, %%"REG_c" \n\t" snow_vertical_compose_sse2_load(REG_S,"xmm0","xmm2","xmm4","xmm6") snow_vertical_compose_sse2_add(REG_c,"xmm1","xmm3","xmm5","xmm7") snow_vertical_compose_sse2_sub("xmm1","xmm3","xmm5","xmm7","xmm0","xmm2","xmm4","xmm6") snow_vertical_compose_sse2_store(REG_S,"xmm0","xmm2","xmm4","xmm6") "mov %2, %%"REG_a" \n\t" snow_vertical_compose_sse2_load(REG_c,"xmm1","xmm3","xmm5","xmm7") snow_vertical_compose_sse2_add(REG_a,"xmm0","xmm2","xmm4","xmm6") snow_vertical_compose_sse2_sll("2","xmm1","xmm3","xmm5","xmm7")\ snow_vertical_compose_sse2_r2r_add("xmm1","xmm3","xmm5","xmm7","xmm0","xmm2","xmm4","xmm6") "pcmpeqd %%xmm1, %%xmm1 \n\t" "pslld $31, %%xmm1 \n\t" "psrld $28, %%xmm1 \n\t" "mov %1, %%"REG_S" \n\t" snow_vertical_compose_sse2_r2r_add("xmm1","xmm1","xmm1","xmm1","xmm0","xmm2","xmm4","xmm6") snow_vertical_compose_sse2_sra("4","xmm0","xmm2","xmm4","xmm6") snow_vertical_compose_sse2_add(REG_c,"xmm0","xmm2","xmm4","xmm6") snow_vertical_compose_sse2_store(REG_c,"xmm0","xmm2","xmm4","xmm6") snow_vertical_compose_sse2_add(REG_S,"xmm0","xmm2","xmm4","xmm6") snow_vertical_compose_sse2_move("xmm0","xmm2","xmm4","xmm6","xmm1","xmm3","xmm5","xmm7") snow_vertical_compose_sse2_sll("1","xmm0","xmm2","xmm4","xmm6")\ snow_vertical_compose_sse2_r2r_add("xmm1","xmm3","xmm5","xmm7","xmm0","xmm2","xmm4","xmm6") snow_vertical_compose_sse2_sra("1","xmm0","xmm2","xmm4","xmm6") snow_vertical_compose_sse2_add(REG_a,"xmm0","xmm2","xmm4","xmm6") snow_vertical_compose_sse2_store(REG_a,"xmm0","xmm2","xmm4","xmm6") "2: \n\t" "sub $16, %%"REG_d" \n\t" "jge 1b \n\t" :"+d"(i) : "m"(b0),"m"(b1),"m"(b2),"m"(b3),"m"(b4),"m"(b5): "%"REG_a"","%"REG_S"","%"REG_c""); } #define snow_vertical_compose_mmx_load_add(op,r,t0,t1,t2,t3)\ ""op" (%%"r",%%"REG_d",4), %%"t0" \n\t"\ ""op" 8(%%"r",%%"REG_d",4), %%"t1" \n\t"\ ""op" 16(%%"r",%%"REG_d",4), %%"t2" \n\t"\ ""op" 24(%%"r",%%"REG_d",4), %%"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("paddd",r,t0,t1,t2,t3) #define snow_vertical_compose_mmx_sub(s0,s1,s2,s3,t0,t1,t2,t3)\ snow_vertical_compose_sse2_sub(s0,s1,s2,s3,t0,t1,t2,t3) #define snow_vertical_compose_mmx_store(w,s0,s1,s2,s3)\ "movq %%"s0", (%%"w",%%"REG_d",4) \n\t"\ "movq %%"s1", 8(%%"w",%%"REG_d",4) \n\t"\ "movq %%"s2", 16(%%"w",%%"REG_d",4) \n\t"\ "movq %%"s3", 24(%%"w",%%"REG_d",4) \n\t" #define snow_vertical_compose_mmx_sra(n,t0,t1,t2,t3)\ snow_vertical_compose_sse2_sra(n,t0,t1,t2,t3) #define snow_vertical_compose_mmx_r2r_add(s0,s1,s2,s3,t0,t1,t2,t3)\ snow_vertical_compose_sse2_r2r_add(s0,s1,s2,s3,t0,t1,t2,t3) #define snow_vertical_compose_mmx_sll(n,t0,t1,t2,t3)\ snow_vertical_compose_sse2_sll(n,t0,t1,t2,t3) #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" void ff_snow_vertical_compose97i_mmx(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, DWTELEM *b3, DWTELEM *b4, DWTELEM *b5, int width){ long i = width; while(i & 0x7) { 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; } asm volatile( "jmp 2f \n\t" "1: \n\t" "mov %6, %%"REG_a" \n\t" "mov %4, %%"REG_S" \n\t" snow_vertical_compose_mmx_load(REG_S,"mm0","mm2","mm4","mm6") snow_vertical_compose_mmx_add(REG_a,"mm0","mm2","mm4","mm6") snow_vertical_compose_mmx_move("mm0","mm2","mm4","mm6","mm1","mm3","mm5","mm7") snow_vertical_compose_mmx_sll("1","mm0","mm2","mm4","mm6") snow_vertical_compose_mmx_r2r_add("mm1","mm3","mm5","mm7","mm0","mm2","mm4","mm6") "pcmpeqd %%mm1, %%mm1 \n\t" "pslld $31, %%mm1 \n\t" "psrld $29, %%mm1 \n\t" "mov %5, %%"REG_a" \n\t" snow_vertical_compose_mmx_r2r_add("mm1","mm1","mm1","mm1","mm0","mm2","mm4","mm6") snow_vertical_compose_mmx_sra("3","mm0","mm2","mm4","mm6") snow_vertical_compose_mmx_load(REG_a,"mm1","mm3","mm5","mm7") snow_vertical_compose_mmx_sub("mm0","mm2","mm4","mm6","mm1","mm3","mm5","mm7") snow_vertical_compose_mmx_store(REG_a,"mm1","mm3","mm5","mm7") "mov %3, %%"REG_c" \n\t" snow_vertical_compose_mmx_load(REG_S,"mm0","mm2","mm4","mm6") snow_vertical_compose_mmx_add(REG_c,"mm1","mm3","mm5","mm7") snow_vertical_compose_mmx_sub("mm1","mm3","mm5","mm7","mm0","mm2","mm4","mm6") snow_vertical_compose_mmx_store(REG_S,"mm0","mm2","mm4","mm6") "mov %2, %%"REG_a" \n\t" snow_vertical_compose_mmx_load(REG_c,"mm1","mm3","mm5","mm7") snow_vertical_compose_mmx_add(REG_a,"mm0","mm2","mm4","mm6") snow_vertical_compose_mmx_sll("2","mm1","mm3","mm5","mm7") snow_vertical_compose_mmx_r2r_add("mm1","mm3","mm5","mm7","mm0","mm2","mm4","mm6") "pcmpeqd %%mm1, %%mm1 \n\t" "pslld $31, %%mm1 \n\t" "psrld $28, %%mm1 \n\t" "mov %1, %%"REG_S" \n\t" snow_vertical_compose_mmx_r2r_add("mm1","mm1","mm1","mm1","mm0","mm2","mm4","mm6") snow_vertical_compose_mmx_sra("4","mm0","mm2","mm4","mm6") snow_vertical_compose_mmx_add(REG_c,"mm0","mm2","mm4","mm6") snow_vertical_compose_mmx_store(REG_c,"mm0","mm2","mm4","mm6") snow_vertical_compose_mmx_add(REG_S,"mm0","mm2","mm4","mm6") snow_vertical_compose_mmx_move("mm0","mm2","mm4","mm6","mm1","mm3","mm5","mm7") snow_vertical_compose_mmx_sll("1","mm0","mm2","mm4","mm6") snow_vertical_compose_mmx_r2r_add("mm1","mm3","mm5","mm7","mm0","mm2","mm4","mm6") snow_vertical_compose_mmx_sra("1","mm0","mm2","mm4","mm6") snow_vertical_compose_mmx_add(REG_a,"mm0","mm2","mm4","mm6") snow_vertical_compose_mmx_store(REG_a,"mm0","mm2","mm4","mm6") "2: \n\t" "sub $8, %%"REG_d" \n\t" "jge 1b \n\t" :"+d"(i) : "m"(b0),"m"(b1),"m"(b2),"m"(b3),"m"(b4),"m"(b5): "%"REG_a"","%"REG_S"","%"REG_c""); } #define snow_inner_add_yblock_sse2_header \ DWTELEM * * dst_array = sb->line + src_y;\ long tmp;\ asm volatile(\ "mov %7, %%"REG_c" \n\t"\ "mov %6, %2 \n\t"\ "mov %4, %%"REG_S" \n\t"\ "pxor %%xmm7, %%xmm7 \n\t" /* 0 */\ "pcmpeqd %%xmm3, %%xmm3 \n\t"\ "pslld $31, %%xmm3 \n\t"\ "psrld $24, %%xmm3 \n\t" /* FRAC_BITS >> 1 */\ "1: \n\t"\ "mov %1, %%"REG_D" \n\t"\ "mov (%%"REG_D"), %%"REG_D" \n\t"\ "add %3, %%"REG_D" \n\t" #define snow_inner_add_yblock_sse2_start_8(out_reg1, out_reg2, ptr_offset, s_offset)\ "mov "PTR_SIZE"*"ptr_offset"(%%"REG_a"), %%"REG_d"; \n\t"\ "movq (%%"REG_d"), %%"out_reg1" \n\t"\ "movq (%%"REG_d", %%"REG_c"), %%"out_reg2" \n\t"\ "punpcklbw %%xmm7, %%"out_reg1" \n\t"\ "punpcklbw %%xmm7, %%"out_reg2" \n\t"\ "movq "s_offset"(%%"REG_S"), %%xmm0 \n\t"\ "movq "s_offset"+16(%%"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 "PTR_SIZE"*"ptr_offset"(%%"REG_a"), %%"REG_d"; \n\t"\ "movq (%%"REG_d"), %%"out_reg1" \n\t"\ "movq 8(%%"REG_d"), %%"out_reg2" \n\t"\ "punpcklbw %%xmm7, %%"out_reg1" \n\t"\ "punpcklbw %%xmm7, %%"out_reg2" \n\t"\ "movq "s_offset"(%%"REG_S"), %%xmm0 \n\t"\ "movq "s_offset"+8(%%"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, %%"REG_S" \n\t"\ "add %%"REG_c", %0 \n\t"\ "add %%"REG_c", "PTR_SIZE"*3(%%"REG_a");\n\t"\ "add %%"REG_c", "PTR_SIZE"*2(%%"REG_a");\n\t"\ "add %%"REG_c", "PTR_SIZE"*1(%%"REG_a");\n\t"\ "add %%"REG_c", (%%"REG_a") \n\t" #define snow_inner_add_yblock_sse2_end_common2\ "jnz 1b \n\t"\ :"+m"(dst8),"+m"(dst_array),"=&r"(tmp)\ :\ "rm"((long)(src_x<<2)),"m"(obmc),"a"(block),"m"((long)b_h),"m"((long)src_stride):\ "%"REG_c"","%"REG_S"","%"REG_D"","%"REG_d""); #define snow_inner_add_yblock_sse2_end_8\ "sal $1, %%"REG_c" \n\t"\ "add $"PTR_SIZE"*2, %1 \n\t"\ snow_inner_add_yblock_sse2_end_common1\ "sar $1, %%"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 $"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 long obmc_stride, uint8_t * * block, int b_w, long b_h, int src_x, int src_y, long 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, %%"REG_d" \n\t" "movdqa (%%"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(%%"REG_D"), %%xmm2 \n\t" "paddd %%xmm1, %%xmm2 \n\t" "paddd %%xmm3, %%xmm0 \n\t" "paddd %%xmm3, %%xmm2 \n\t" "mov %1, %%"REG_D" \n\t" "mov "PTR_SIZE"(%%"REG_D"), %%"REG_D";\n\t" "add %3, %%"REG_D" \n\t" "movdqa (%%"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(%%"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, (%%"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, (%%"REG_d",%%"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 long obmc_stride, uint8_t * * block, int b_w, long b_h, int src_x, int src_y, long 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, %%"REG_d" \n\t" "movdqa %%xmm1, %%xmm0 \n\t" "movdqa %%xmm5, %%xmm4 \n\t" "punpcklwd %%xmm7, %%xmm0 \n\t" "paddd (%%"REG_D"), %%xmm0 \n\t" "punpckhwd %%xmm7, %%xmm1 \n\t" "paddd 16(%%"REG_D"), %%xmm1 \n\t" "punpcklwd %%xmm7, %%xmm4 \n\t" "paddd 32(%%"REG_D"), %%xmm4 \n\t" "punpckhwd %%xmm7, %%xmm5 \n\t" "paddd 48(%%"REG_D"), %%xmm5 \n\t" "paddd %%xmm3, %%xmm0 \n\t" "paddd %%xmm3, %%xmm1 \n\t" "paddd %%xmm3, %%xmm4 \n\t" "paddd %%xmm3, %%xmm5 \n\t" "psrad $8, %%xmm0 \n\t" /* FRAC_BITS. */ "psrad $8, %%xmm1 \n\t" /* FRAC_BITS. */ "psrad $8, %%xmm4 \n\t" /* FRAC_BITS. */ "psrad $8, %%xmm5 \n\t" /* FRAC_BITS. */ "packssdw %%xmm1, %%xmm0 \n\t" "packssdw %%xmm5, %%xmm4 \n\t" "packuswb %%xmm4, %%xmm0 \n\t" "movdqu %%xmm0, (%%"REG_d") \n\t" snow_inner_add_yblock_sse2_end_16 } #define snow_inner_add_yblock_mmx_header \ DWTELEM * * dst_array = sb->line + src_y;\ long tmp;\ asm volatile(\ "mov %7, %%"REG_c" \n\t"\ "mov %6, %2 \n\t"\ "mov %4, %%"REG_S" \n\t"\ "pxor %%mm7, %%mm7 \n\t" /* 0 */\ "pcmpeqd %%mm3, %%mm3 \n\t"\ "pslld $31, %%mm3 \n\t"\ "psrld $24, %%mm3 \n\t" /* FRAC_BITS >> 1 */\ "1: \n\t"\ "mov %1, %%"REG_D" \n\t"\ "mov (%%"REG_D"), %%"REG_D" \n\t"\ "add %3, %%"REG_D" \n\t" #define snow_inner_add_yblock_mmx_start(out_reg1, out_reg2, ptr_offset, s_offset, d_offset)\ "mov "PTR_SIZE"*"ptr_offset"(%%"REG_a"), %%"REG_d"; \n\t"\ "movd "d_offset"(%%"REG_d"), %%"out_reg1" \n\t"\ "movd "d_offset"+4(%%"REG_d"), %%"out_reg2" \n\t"\ "punpcklbw %%mm7, %%"out_reg1" \n\t"\ "punpcklbw %%mm7, %%"out_reg2" \n\t"\ "movd "s_offset"(%%"REG_S"), %%mm0 \n\t"\ "movd "s_offset"+4(%%"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, %%"REG_d" \n\t"\ "movq %%mm1, %%mm0 \n\t"\ "movq %%mm5, %%mm4 \n\t"\ "punpcklwd %%mm7, %%mm0 \n\t"\ "paddd "read_offset"(%%"REG_D"), %%mm0 \n\t"\ "punpckhwd %%mm7, %%mm1 \n\t"\ "paddd "read_offset"+8(%%"REG_D"), %%mm1 \n\t"\ "punpcklwd %%mm7, %%mm4 \n\t"\ "paddd "read_offset"+16(%%"REG_D"), %%mm4 \n\t"\ "punpckhwd %%mm7, %%mm5 \n\t"\ "paddd "read_offset"+24(%%"REG_D"), %%mm5 \n\t"\ "paddd %%mm3, %%mm0 \n\t"\ "paddd %%mm3, %%mm1 \n\t"\ "paddd %%mm3, %%mm4 \n\t"\ "paddd %%mm3, %%mm5 \n\t"\ "psrad $8, %%mm0 \n\t"\ "psrad $8, %%mm1 \n\t"\ "psrad $8, %%mm4 \n\t"\ "psrad $8, %%mm5 \n\t"\ \ "packssdw %%mm1, %%mm0 \n\t"\ "packssdw %%mm5, %%mm4 \n\t"\ "packuswb %%mm4, %%mm0 \n\t"\ "movq %%mm0, "write_offset"(%%"REG_d") \n\t" #define snow_inner_add_yblock_mmx_end(s_step)\ "add $"s_step", %%"REG_S" \n\t"\ "add %%"REG_c", "PTR_SIZE"*3(%%"REG_a");\n\t"\ "add %%"REG_c", "PTR_SIZE"*2(%%"REG_a");\n\t"\ "add %%"REG_c", "PTR_SIZE"*1(%%"REG_a");\n\t"\ "add %%"REG_c", (%%"REG_a") \n\t"\ "add $"PTR_SIZE"*1, %1 \n\t"\ "add %%"REG_c", %0 \n\t"\ "dec %2 \n\t"\ "jnz 1b \n\t"\ :"+m"(dst8),"+m"(dst_array),"=&r"(tmp)\ :\ "rm"((long)(src_x<<2)),"m"(obmc),"a"(block),"m"((long)b_h),"m"((long)src_stride):\ "%"REG_c"","%"REG_S"","%"REG_D"","%"REG_d""); static void inner_add_yblock_bw_8_obmc_16_mmx(const uint8_t *obmc, const long obmc_stride, uint8_t * * block, int b_w, long b_h, int src_x, int src_y, long 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 long obmc_stride, uint8_t * * block, int b_w, long b_h, int src_x, int src_y, long 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("32", "8") snow_inner_add_yblock_mmx_end("32") } 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); } 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); }