📄 sad_xmm.asm
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;/****************************************************************************; *; * XVID MPEG-4 VIDEO CODEC; * - K7 optimized SAD operators -; *; * Copyright(C) 2001 Peter Ross <pross@xvid.org>; * 2001 Michael Militzer <isibaar@xvid.org>; * 2002 Pascal Massimino <skal@planet-d.net>; * 2004 Andre Werthmann <wertmann@aei.mpg.de>; *; * This program 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.; *; * This program 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; *; * $Id: sad_xmm.asm,v 1.1 2005/01/05 23:02:15 edgomez Exp $; *; ***************************************************************************/BITS 64%macro cglobal 1 %ifdef PREFIX %ifdef MARK_FUNCS global _%1:function %1.endfunc-%1 %define %1 _%1:function %1.endfunc-%1 %else global _%1 %define %1 _%1 %endif %else %ifdef MARK_FUNCS global %1:function %1.endfunc-%1 %else global %1 %endif %endif%endmacro;=============================================================================; Read only data;=============================================================================%ifdef FORMAT_COFFSECTION .rodata%elseSECTION .rodata align=16%endifALIGN 16mmx_one: times 4 dw 1;=============================================================================; Helper macros;=============================================================================%macro SAD_16x16_SSE 0 movq mm0, [rax] psadbw mm0, [rdx] movq mm1, [rax+8] add rax, rcx psadbw mm1, [rdx+8] paddusw mm5, mm0 add rdx, rcx paddusw mm6, mm1%endmacro%macro SAD_8x8_SSE 0 movq mm0, [rax] movq mm1, [rax+rcx] psadbw mm0, [rdx] psadbw mm1, [rdx+rcx] add rax, rbx add rdx, rbx paddusw mm5, mm0 paddusw mm6, mm1%endmacro%macro SADBI_16x16_SSE 0 movq mm0, [rax] movq mm1, [rax+8] movq mm2, [rdx] movq mm3, [rdx+8] pavgb mm2, [rbx] add rdx, rcx pavgb mm3, [rbx+8] add rbx, rcx psadbw mm0, mm2 add rax, rcx psadbw mm1, mm3 paddusw mm5, mm0 paddusw mm6, mm1%endmacro%macro SADBI_8x8_XMM 0 movq mm0, [rax] movq mm1, [rax+rcx] movq mm2, [rdx] movq mm3, [rdx+rcx] pavgb mm2, [rbx] lea rdx, [rdx+2*rcx] pavgb mm3, [rbx+rcx] lea rbx, [rbx+2*rcx] psadbw mm0, mm2 lea rax, [rax+2*rcx] psadbw mm1, mm3 paddusw mm5, mm0 paddusw mm6, mm1%endmacro%macro MEAN_16x16_SSE 0 movq mm0, [rax] movq mm1, [rax+8] psadbw mm0, mm7 psadbw mm1, mm7 add rax, rcx paddw mm5, mm0 paddw mm6, mm1%endmacro%macro ABS_16x16_SSE 0 movq mm0, [rax] movq mm1, [rax+8] psadbw mm0, mm4 psadbw mm1, mm4 lea rax, [rax+rcx] paddw mm5, mm0 paddw mm6, mm1%endmacro;=============================================================================; Code;=============================================================================SECTION .text align=16cglobal sad16_x86_64cglobal sad8_x86_64cglobal sad16bi_x86_64cglobal sad8bi_x86_64cglobal dev16_x86_64cglobal sad16v_x86_64;-----------------------------------------------------------------------------;; uint32_t sad16_x86_64(const uint8_t * const cur,; const uint8_t * const ref,; const uint32_t stride,; const uint32_t best_sad);;;-----------------------------------------------------------------------------ALIGN 16sad16_x86_64: mov rcx, rdx ; stride mov rdx, rsi ; src2 (64bit pointer) mov rax, rdi ; src1 (64bit pointer) pxor mm5, mm5 ; accum1 pxor mm6, mm6 ; accum2 SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE paddusw mm6,mm5 movd eax, mm6 ret.endfunc;-----------------------------------------------------------------------------;; uint32_t sad8_x86_64(const uint8_t * const cur,; const uint8_t * const ref,; const uint32_t stride);;;-----------------------------------------------------------------------------ALIGN 16sad8_x86_64: mov rcx, rdx ; stride mov rdx, rsi ; src2 mov rax, rdi ; src1 push rbx lea rbx, [rcx+rcx] pxor mm5, mm5 ; accum1 pxor mm6, mm6 ; accum2 SAD_8x8_SSE SAD_8x8_SSE SAD_8x8_SSE movq mm0, [rax] movq mm1, [rax+rcx] psadbw mm0, [rdx] psadbw mm1, [rdx+rcx] pop rbx paddusw mm5,mm0 paddusw mm6,mm1 paddusw mm6,mm5 movd eax, mm6 ret.endfunc;-----------------------------------------------------------------------------;; uint32_t sad16bi_x86_64(const uint8_t * const cur,; const uint8_t * const ref1,; const uint8_t * const ref2,; const uint32_t stride);;;-----------------------------------------------------------------------------ALIGN 16sad16bi_x86_64: push rbx ; rcx is stride (4. arg) mov rbx, rdx ; ref2 mov rdx, rsi ; ref1 mov rax, rdi ; src pxor mm5, mm5 ; accum1 pxor mm6, mm6 ; accum2 SADBI_16x16_SSE SADBI_16x16_SSE SADBI_16x16_SSE SADBI_16x16_SSE SADBI_16x16_SSE SADBI_16x16_SSE SADBI_16x16_SSE SADBI_16x16_SSE SADBI_16x16_SSE SADBI_16x16_SSE SADBI_16x16_SSE SADBI_16x16_SSE SADBI_16x16_SSE SADBI_16x16_SSE SADBI_16x16_SSE SADBI_16x16_SSE paddusw mm6,mm5 movd eax, mm6 pop rbx ret.endfunc;-----------------------------------------------------------------------------;; uint32_t sad8bi_x86_64(const uint8_t * const cur,; const uint8_t * const ref1,; const uint8_t * const ref2,; const uint32_t stride);;;-----------------------------------------------------------------------------ALIGN 16sad8bi_x86_64: push rbx ; rcx is stride mov rbx, rdx ; ref2 mov rdx, rsi ; ref1 mov rax, rdi ; src pxor mm5, mm5 ; accum1 pxor mm6, mm6 ; accum2.Loop SADBI_8x8_XMM SADBI_8x8_XMM SADBI_8x8_XMM SADBI_8x8_XMM paddusw mm6,mm5 movd eax, mm6 pop rbx ret.endfunc;-----------------------------------------------------------------------------;; uint32_t dev16_x86_64(const uint8_t * const cur,; const uint32_t stride);;;-----------------------------------------------------------------------------ALIGN 16dev16_x86_64: mov rcx, rsi ; stride mov rax, rdi ; src pxor mm7, mm7 ; zero pxor mm5, mm5 ; mean accums pxor mm6, mm6 MEAN_16x16_SSE MEAN_16x16_SSE MEAN_16x16_SSE MEAN_16x16_SSE MEAN_16x16_SSE MEAN_16x16_SSE MEAN_16x16_SSE MEAN_16x16_SSE MEAN_16x16_SSE MEAN_16x16_SSE MEAN_16x16_SSE MEAN_16x16_SSE MEAN_16x16_SSE MEAN_16x16_SSE MEAN_16x16_SSE MEAN_16x16_SSE paddusw mm6, mm5 movq mm4, mm6 psllq mm4, 32 paddd mm4, mm6 psrld mm4, 8 ; /= (16*16) packssdw mm4, mm4 packuswb mm4, mm4 ; mm4 contains the mean mov rax, rdi ; src pxor mm5, mm5 ; sums pxor mm6, mm6 ABS_16x16_SSE ABS_16x16_SSE ABS_16x16_SSE ABS_16x16_SSE ABS_16x16_SSE ABS_16x16_SSE ABS_16x16_SSE ABS_16x16_SSE ABS_16x16_SSE ABS_16x16_SSE ABS_16x16_SSE ABS_16x16_SSE ABS_16x16_SSE ABS_16x16_SSE ABS_16x16_SSE ABS_16x16_SSE paddusw mm6, mm5 movq mm7, mm6 psllq mm7, 32 paddd mm6, mm7 movd eax, mm6 ret.endfunc;-----------------------------------------------------------------------------;int sad16v_x86_64(const uint8_t * const cur,; const uint8_t * const ref,; const uint32_t stride,; int* sad8);;-----------------------------------------------------------------------------ALIGN 16sad16v_x86_64: push rbx mov rbx, rcx ; sad ptr (64bit) mov rcx, rdx ; stride mov rdx, rsi ; src2 mov rax, rdi ; src1 pxor mm5, mm5 ; accum1 pxor mm6, mm6 ; accum2 pxor mm7, mm7 ; total SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE paddusw mm7, mm5 paddusw mm7, mm6 movd [rbx], mm5 movd [rbx+4], mm6 pxor mm5, mm5 ; accum1 pxor mm6, mm6 ; accum2 SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE SAD_16x16_SSE paddusw mm7, mm5 paddusw mm7, mm6 movd [rbx+8], mm5 movd [rbx+12], mm6 movd eax, mm7 pop rbx ret.endfunc⌨️ 快捷键说明
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