| /* |
| * MMX optimized motion estimation |
| * Copyright (c) 2001 Fabrice Bellard |
| * Copyright (c) 2002-2004 Michael Niedermayer |
| * |
| * mostly by Michael Niedermayer <michaelni@gmx.at> |
| * |
| * 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/x86_cpu.h" |
| #include "libavcodec/dsputil.h" |
| |
| DECLARE_ASM_CONST(8, uint64_t, round_tab[3])={ |
| 0x0000000000000000ULL, |
| 0x0001000100010001ULL, |
| 0x0002000200020002ULL, |
| }; |
| |
| DECLARE_ASM_CONST(8, uint64_t, bone)= 0x0101010101010101LL; |
| |
| static inline void sad8_1_mmx(uint8_t *blk1, uint8_t *blk2, int stride, int h) |
| { |
| x86_reg len= -(stride*h); |
| __asm__ volatile( |
| ASMALIGN(4) |
| "1: \n\t" |
| "movq (%1, %%"REG_a"), %%mm0 \n\t" |
| "movq (%2, %%"REG_a"), %%mm2 \n\t" |
| "movq (%2, %%"REG_a"), %%mm4 \n\t" |
| "add %3, %%"REG_a" \n\t" |
| "psubusb %%mm0, %%mm2 \n\t" |
| "psubusb %%mm4, %%mm0 \n\t" |
| "movq (%1, %%"REG_a"), %%mm1 \n\t" |
| "movq (%2, %%"REG_a"), %%mm3 \n\t" |
| "movq (%2, %%"REG_a"), %%mm5 \n\t" |
| "psubusb %%mm1, %%mm3 \n\t" |
| "psubusb %%mm5, %%mm1 \n\t" |
| "por %%mm2, %%mm0 \n\t" |
| "por %%mm1, %%mm3 \n\t" |
| "movq %%mm0, %%mm1 \n\t" |
| "movq %%mm3, %%mm2 \n\t" |
| "punpcklbw %%mm7, %%mm0 \n\t" |
| "punpckhbw %%mm7, %%mm1 \n\t" |
| "punpcklbw %%mm7, %%mm3 \n\t" |
| "punpckhbw %%mm7, %%mm2 \n\t" |
| "paddw %%mm1, %%mm0 \n\t" |
| "paddw %%mm3, %%mm2 \n\t" |
| "paddw %%mm2, %%mm0 \n\t" |
| "paddw %%mm0, %%mm6 \n\t" |
| "add %3, %%"REG_a" \n\t" |
| " js 1b \n\t" |
| : "+a" (len) |
| : "r" (blk1 - len), "r" (blk2 - len), "r" ((x86_reg)stride) |
| ); |
| } |
| |
| static inline void sad8_1_mmx2(uint8_t *blk1, uint8_t *blk2, int stride, int h) |
| { |
| __asm__ volatile( |
| ASMALIGN(4) |
| "1: \n\t" |
| "movq (%1), %%mm0 \n\t" |
| "movq (%1, %3), %%mm1 \n\t" |
| "psadbw (%2), %%mm0 \n\t" |
| "psadbw (%2, %3), %%mm1 \n\t" |
| "paddw %%mm0, %%mm6 \n\t" |
| "paddw %%mm1, %%mm6 \n\t" |
| "lea (%1,%3,2), %1 \n\t" |
| "lea (%2,%3,2), %2 \n\t" |
| "sub $2, %0 \n\t" |
| " jg 1b \n\t" |
| : "+r" (h), "+r" (blk1), "+r" (blk2) |
| : "r" ((x86_reg)stride) |
| ); |
| } |
| |
| static int sad16_sse2(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h) |
| { |
| int ret; |
| __asm__ volatile( |
| "pxor %%xmm6, %%xmm6 \n\t" |
| ASMALIGN(4) |
| "1: \n\t" |
| "movdqu (%1), %%xmm0 \n\t" |
| "movdqu (%1, %3), %%xmm1 \n\t" |
| "psadbw (%2), %%xmm0 \n\t" |
| "psadbw (%2, %3), %%xmm1 \n\t" |
| "paddw %%xmm0, %%xmm6 \n\t" |
| "paddw %%xmm1, %%xmm6 \n\t" |
| "lea (%1,%3,2), %1 \n\t" |
| "lea (%2,%3,2), %2 \n\t" |
| "sub $2, %0 \n\t" |
| " jg 1b \n\t" |
| : "+r" (h), "+r" (blk1), "+r" (blk2) |
| : "r" ((x86_reg)stride) |
| ); |
| __asm__ volatile( |
| "movhlps %%xmm6, %%xmm0 \n\t" |
| "paddw %%xmm0, %%xmm6 \n\t" |
| "movd %%xmm6, %0 \n\t" |
| : "=r"(ret) |
| ); |
| return ret; |
| } |
| |
| static inline void sad8_x2a_mmx2(uint8_t *blk1, uint8_t *blk2, int stride, int h) |
| { |
| __asm__ volatile( |
| ASMALIGN(4) |
| "1: \n\t" |
| "movq (%1), %%mm0 \n\t" |
| "movq (%1, %3), %%mm1 \n\t" |
| "pavgb 1(%1), %%mm0 \n\t" |
| "pavgb 1(%1, %3), %%mm1 \n\t" |
| "psadbw (%2), %%mm0 \n\t" |
| "psadbw (%2, %3), %%mm1 \n\t" |
| "paddw %%mm0, %%mm6 \n\t" |
| "paddw %%mm1, %%mm6 \n\t" |
| "lea (%1,%3,2), %1 \n\t" |
| "lea (%2,%3,2), %2 \n\t" |
| "sub $2, %0 \n\t" |
| " jg 1b \n\t" |
| : "+r" (h), "+r" (blk1), "+r" (blk2) |
| : "r" ((x86_reg)stride) |
| ); |
| } |
| |
| static inline void sad8_y2a_mmx2(uint8_t *blk1, uint8_t *blk2, int stride, int h) |
| { |
| __asm__ volatile( |
| "movq (%1), %%mm0 \n\t" |
| "add %3, %1 \n\t" |
| ASMALIGN(4) |
| "1: \n\t" |
| "movq (%1), %%mm1 \n\t" |
| "movq (%1, %3), %%mm2 \n\t" |
| "pavgb %%mm1, %%mm0 \n\t" |
| "pavgb %%mm2, %%mm1 \n\t" |
| "psadbw (%2), %%mm0 \n\t" |
| "psadbw (%2, %3), %%mm1 \n\t" |
| "paddw %%mm0, %%mm6 \n\t" |
| "paddw %%mm1, %%mm6 \n\t" |
| "movq %%mm2, %%mm0 \n\t" |
| "lea (%1,%3,2), %1 \n\t" |
| "lea (%2,%3,2), %2 \n\t" |
| "sub $2, %0 \n\t" |
| " jg 1b \n\t" |
| : "+r" (h), "+r" (blk1), "+r" (blk2) |
| : "r" ((x86_reg)stride) |
| ); |
| } |
| |
| static inline void sad8_4_mmx2(uint8_t *blk1, uint8_t *blk2, int stride, int h) |
| { |
| __asm__ volatile( |
| "movq "MANGLE(bone)", %%mm5 \n\t" |
| "movq (%1), %%mm0 \n\t" |
| "pavgb 1(%1), %%mm0 \n\t" |
| "add %3, %1 \n\t" |
| ASMALIGN(4) |
| "1: \n\t" |
| "movq (%1), %%mm1 \n\t" |
| "movq (%1,%3), %%mm2 \n\t" |
| "pavgb 1(%1), %%mm1 \n\t" |
| "pavgb 1(%1,%3), %%mm2 \n\t" |
| "psubusb %%mm5, %%mm1 \n\t" |
| "pavgb %%mm1, %%mm0 \n\t" |
| "pavgb %%mm2, %%mm1 \n\t" |
| "psadbw (%2), %%mm0 \n\t" |
| "psadbw (%2,%3), %%mm1 \n\t" |
| "paddw %%mm0, %%mm6 \n\t" |
| "paddw %%mm1, %%mm6 \n\t" |
| "movq %%mm2, %%mm0 \n\t" |
| "lea (%1,%3,2), %1 \n\t" |
| "lea (%2,%3,2), %2 \n\t" |
| "sub $2, %0 \n\t" |
| " jg 1b \n\t" |
| : "+r" (h), "+r" (blk1), "+r" (blk2) |
| : "r" ((x86_reg)stride) |
| ); |
| } |
| |
| static inline void sad8_2_mmx(uint8_t *blk1a, uint8_t *blk1b, uint8_t *blk2, int stride, int h) |
| { |
| x86_reg len= -(stride*h); |
| __asm__ volatile( |
| ASMALIGN(4) |
| "1: \n\t" |
| "movq (%1, %%"REG_a"), %%mm0 \n\t" |
| "movq (%2, %%"REG_a"), %%mm1 \n\t" |
| "movq (%1, %%"REG_a"), %%mm2 \n\t" |
| "movq (%2, %%"REG_a"), %%mm3 \n\t" |
| "punpcklbw %%mm7, %%mm0 \n\t" |
| "punpcklbw %%mm7, %%mm1 \n\t" |
| "punpckhbw %%mm7, %%mm2 \n\t" |
| "punpckhbw %%mm7, %%mm3 \n\t" |
| "paddw %%mm0, %%mm1 \n\t" |
| "paddw %%mm2, %%mm3 \n\t" |
| "movq (%3, %%"REG_a"), %%mm4 \n\t" |
| "movq (%3, %%"REG_a"), %%mm2 \n\t" |
| "paddw %%mm5, %%mm1 \n\t" |
| "paddw %%mm5, %%mm3 \n\t" |
| "psrlw $1, %%mm1 \n\t" |
| "psrlw $1, %%mm3 \n\t" |
| "packuswb %%mm3, %%mm1 \n\t" |
| "psubusb %%mm1, %%mm4 \n\t" |
| "psubusb %%mm2, %%mm1 \n\t" |
| "por %%mm4, %%mm1 \n\t" |
| "movq %%mm1, %%mm0 \n\t" |
| "punpcklbw %%mm7, %%mm0 \n\t" |
| "punpckhbw %%mm7, %%mm1 \n\t" |
| "paddw %%mm1, %%mm0 \n\t" |
| "paddw %%mm0, %%mm6 \n\t" |
| "add %4, %%"REG_a" \n\t" |
| " js 1b \n\t" |
| : "+a" (len) |
| : "r" (blk1a - len), "r" (blk1b -len), "r" (blk2 - len), "r" ((x86_reg)stride) |
| ); |
| } |
| |
| static inline void sad8_4_mmx(uint8_t *blk1, uint8_t *blk2, int stride, int h) |
| { |
| x86_reg len= -(stride*h); |
| __asm__ volatile( |
| "movq (%1, %%"REG_a"), %%mm0 \n\t" |
| "movq 1(%1, %%"REG_a"), %%mm2 \n\t" |
| "movq %%mm0, %%mm1 \n\t" |
| "movq %%mm2, %%mm3 \n\t" |
| "punpcklbw %%mm7, %%mm0 \n\t" |
| "punpckhbw %%mm7, %%mm1 \n\t" |
| "punpcklbw %%mm7, %%mm2 \n\t" |
| "punpckhbw %%mm7, %%mm3 \n\t" |
| "paddw %%mm2, %%mm0 \n\t" |
| "paddw %%mm3, %%mm1 \n\t" |
| ASMALIGN(4) |
| "1: \n\t" |
| "movq (%2, %%"REG_a"), %%mm2 \n\t" |
| "movq 1(%2, %%"REG_a"), %%mm4 \n\t" |
| "movq %%mm2, %%mm3 \n\t" |
| "movq %%mm4, %%mm5 \n\t" |
| "punpcklbw %%mm7, %%mm2 \n\t" |
| "punpckhbw %%mm7, %%mm3 \n\t" |
| "punpcklbw %%mm7, %%mm4 \n\t" |
| "punpckhbw %%mm7, %%mm5 \n\t" |
| "paddw %%mm4, %%mm2 \n\t" |
| "paddw %%mm5, %%mm3 \n\t" |
| "movq 16+"MANGLE(round_tab)", %%mm5 \n\t" |
| "paddw %%mm2, %%mm0 \n\t" |
| "paddw %%mm3, %%mm1 \n\t" |
| "paddw %%mm5, %%mm0 \n\t" |
| "paddw %%mm5, %%mm1 \n\t" |
| "movq (%3, %%"REG_a"), %%mm4 \n\t" |
| "movq (%3, %%"REG_a"), %%mm5 \n\t" |
| "psrlw $2, %%mm0 \n\t" |
| "psrlw $2, %%mm1 \n\t" |
| "packuswb %%mm1, %%mm0 \n\t" |
| "psubusb %%mm0, %%mm4 \n\t" |
| "psubusb %%mm5, %%mm0 \n\t" |
| "por %%mm4, %%mm0 \n\t" |
| "movq %%mm0, %%mm4 \n\t" |
| "punpcklbw %%mm7, %%mm0 \n\t" |
| "punpckhbw %%mm7, %%mm4 \n\t" |
| "paddw %%mm0, %%mm6 \n\t" |
| "paddw %%mm4, %%mm6 \n\t" |
| "movq %%mm2, %%mm0 \n\t" |
| "movq %%mm3, %%mm1 \n\t" |
| "add %4, %%"REG_a" \n\t" |
| " js 1b \n\t" |
| : "+a" (len) |
| : "r" (blk1 - len), "r" (blk1 -len + stride), "r" (blk2 - len), "r" ((x86_reg)stride) |
| ); |
| } |
| |
| static inline int sum_mmx(void) |
| { |
| int ret; |
| __asm__ volatile( |
| "movq %%mm6, %%mm0 \n\t" |
| "psrlq $32, %%mm6 \n\t" |
| "paddw %%mm0, %%mm6 \n\t" |
| "movq %%mm6, %%mm0 \n\t" |
| "psrlq $16, %%mm6 \n\t" |
| "paddw %%mm0, %%mm6 \n\t" |
| "movd %%mm6, %0 \n\t" |
| : "=r" (ret) |
| ); |
| return ret&0xFFFF; |
| } |
| |
| static inline int sum_mmx2(void) |
| { |
| int ret; |
| __asm__ volatile( |
| "movd %%mm6, %0 \n\t" |
| : "=r" (ret) |
| ); |
| return ret; |
| } |
| |
| static inline void sad8_x2a_mmx(uint8_t *blk1, uint8_t *blk2, int stride, int h) |
| { |
| sad8_2_mmx(blk1, blk1+1, blk2, stride, h); |
| } |
| static inline void sad8_y2a_mmx(uint8_t *blk1, uint8_t *blk2, int stride, int h) |
| { |
| sad8_2_mmx(blk1, blk1+stride, blk2, stride, h); |
| } |
| |
| |
| #define PIX_SAD(suf)\ |
| static int sad8_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\ |
| {\ |
| assert(h==8);\ |
| __asm__ volatile("pxor %%mm7, %%mm7 \n\t"\ |
| "pxor %%mm6, %%mm6 \n\t":);\ |
| \ |
| sad8_1_ ## suf(blk1, blk2, stride, 8);\ |
| \ |
| return sum_ ## suf();\ |
| }\ |
| static int sad8_x2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\ |
| {\ |
| assert(h==8);\ |
| __asm__ volatile("pxor %%mm7, %%mm7 \n\t"\ |
| "pxor %%mm6, %%mm6 \n\t"\ |
| "movq %0, %%mm5 \n\t"\ |
| :: "m"(round_tab[1]) \ |
| );\ |
| \ |
| sad8_x2a_ ## suf(blk1, blk2, stride, 8);\ |
| \ |
| return sum_ ## suf();\ |
| }\ |
| \ |
| static int sad8_y2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\ |
| {\ |
| assert(h==8);\ |
| __asm__ volatile("pxor %%mm7, %%mm7 \n\t"\ |
| "pxor %%mm6, %%mm6 \n\t"\ |
| "movq %0, %%mm5 \n\t"\ |
| :: "m"(round_tab[1]) \ |
| );\ |
| \ |
| sad8_y2a_ ## suf(blk1, blk2, stride, 8);\ |
| \ |
| return sum_ ## suf();\ |
| }\ |
| \ |
| static int sad8_xy2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\ |
| {\ |
| assert(h==8);\ |
| __asm__ volatile("pxor %%mm7, %%mm7 \n\t"\ |
| "pxor %%mm6, %%mm6 \n\t"\ |
| ::);\ |
| \ |
| sad8_4_ ## suf(blk1, blk2, stride, 8);\ |
| \ |
| return sum_ ## suf();\ |
| }\ |
| \ |
| static int sad16_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\ |
| {\ |
| __asm__ volatile("pxor %%mm7, %%mm7 \n\t"\ |
| "pxor %%mm6, %%mm6 \n\t":);\ |
| \ |
| sad8_1_ ## suf(blk1 , blk2 , stride, h);\ |
| sad8_1_ ## suf(blk1+8, blk2+8, stride, h);\ |
| \ |
| return sum_ ## suf();\ |
| }\ |
| static int sad16_x2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\ |
| {\ |
| __asm__ volatile("pxor %%mm7, %%mm7 \n\t"\ |
| "pxor %%mm6, %%mm6 \n\t"\ |
| "movq %0, %%mm5 \n\t"\ |
| :: "m"(round_tab[1]) \ |
| );\ |
| \ |
| sad8_x2a_ ## suf(blk1 , blk2 , stride, h);\ |
| sad8_x2a_ ## suf(blk1+8, blk2+8, stride, h);\ |
| \ |
| return sum_ ## suf();\ |
| }\ |
| static int sad16_y2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\ |
| {\ |
| __asm__ volatile("pxor %%mm7, %%mm7 \n\t"\ |
| "pxor %%mm6, %%mm6 \n\t"\ |
| "movq %0, %%mm5 \n\t"\ |
| :: "m"(round_tab[1]) \ |
| );\ |
| \ |
| sad8_y2a_ ## suf(blk1 , blk2 , stride, h);\ |
| sad8_y2a_ ## suf(blk1+8, blk2+8, stride, h);\ |
| \ |
| return sum_ ## suf();\ |
| }\ |
| static int sad16_xy2_ ## suf(void *v, uint8_t *blk2, uint8_t *blk1, int stride, int h)\ |
| {\ |
| __asm__ volatile("pxor %%mm7, %%mm7 \n\t"\ |
| "pxor %%mm6, %%mm6 \n\t"\ |
| ::);\ |
| \ |
| sad8_4_ ## suf(blk1 , blk2 , stride, h);\ |
| sad8_4_ ## suf(blk1+8, blk2+8, stride, h);\ |
| \ |
| return sum_ ## suf();\ |
| }\ |
| |
| PIX_SAD(mmx) |
| PIX_SAD(mmx2) |
| |
| void dsputil_init_pix_mmx(DSPContext* c, AVCodecContext *avctx) |
| { |
| if (mm_flags & FF_MM_MMX) { |
| c->pix_abs[0][0] = sad16_mmx; |
| c->pix_abs[0][1] = sad16_x2_mmx; |
| c->pix_abs[0][2] = sad16_y2_mmx; |
| c->pix_abs[0][3] = sad16_xy2_mmx; |
| c->pix_abs[1][0] = sad8_mmx; |
| c->pix_abs[1][1] = sad8_x2_mmx; |
| c->pix_abs[1][2] = sad8_y2_mmx; |
| c->pix_abs[1][3] = sad8_xy2_mmx; |
| |
| c->sad[0]= sad16_mmx; |
| c->sad[1]= sad8_mmx; |
| } |
| if (mm_flags & FF_MM_MMXEXT) { |
| c->pix_abs[0][0] = sad16_mmx2; |
| c->pix_abs[1][0] = sad8_mmx2; |
| |
| c->sad[0]= sad16_mmx2; |
| c->sad[1]= sad8_mmx2; |
| |
| if(!(avctx->flags & CODEC_FLAG_BITEXACT)){ |
| c->pix_abs[0][1] = sad16_x2_mmx2; |
| c->pix_abs[0][2] = sad16_y2_mmx2; |
| c->pix_abs[0][3] = sad16_xy2_mmx2; |
| c->pix_abs[1][1] = sad8_x2_mmx2; |
| c->pix_abs[1][2] = sad8_y2_mmx2; |
| c->pix_abs[1][3] = sad8_xy2_mmx2; |
| } |
| } |
| if ((mm_flags & FF_MM_SSE2) && !(mm_flags & FF_MM_3DNOW)) { |
| c->sad[0]= sad16_sse2; |
| } |
| } |
