📄 predict-a.asm.svn-base
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;*****************************************************************************;* predict-a.asm: h264 encoder library;*****************************************************************************;* Copyright (C) 2005 x264 project;*;* Authors: Loren Merritt <lorenm@u.washington.edu>;*;* 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, USA.;*****************************************************************************BITS 64;=============================================================================; Macros and other preprocessor constants;=============================================================================%include "amd64inc.asm"%macro SAVE_0_1 1 movq [%1] , mm0 movq [%1 + 8] , mm1%endmacro%macro SAVE_0_0 1 movq [%1] , mm0 movq [%1 + 8] , mm0%endmacroSECTION .rodata align=16ALIGN 8pw_2: times 4 dw 2pw_8: times 4 dw 8pb_1: times 8 db 1pw_3210: dw 0 dw 1 dw 2 dw 3;=============================================================================; Code;=============================================================================SECTION .textcglobal predict_8x8_v_mmxextcglobal predict_8x8_dc_core_mmxextcglobal predict_8x8c_v_mmxcglobal predict_8x8c_dc_core_mmxextcglobal predict_8x8c_p_core_mmxcglobal predict_16x16_p_core_mmxcglobal predict_16x16_v_mmxcglobal predict_16x16_dc_core_mmxextcglobal predict_16x16_dc_top_mmxext%macro PRED8x8_LOWPASS 2 movq mm3, mm1 pavgb mm1, mm2 pxor mm2, mm3 movq %1 , %2 pand mm2, [pb_1 GLOBAL] psubusb mm1, mm2 pavgb %1 , mm1 ; %1 = (t[n-1] + t[n]*2 + t[n+1] + 2) >> 2%endmacro%macro PRED8x8_LOAD_TOP 0 sub parm1q, parm2q and parm3d, 12 movq mm1, [parm1q-1] movq mm2, [parm1q+1] cmp parm3d, byte 8 jge .have_topleft mov al, [parm1q] mov ah, [parm1q] pinsrw mm1, eax, 0.have_topleft: and parm3d, byte 4 jne .have_topright mov al, [parm1q+7] mov ah, [parm1q+7] pinsrw mm2, eax, 3.have_topright: PRED8x8_LOWPASS mm0, [parm1q]%endmacro;-----------------------------------------------------------------------------;; void predict_8x8_v_mmxext( uint8_t *src, int i_stride, int i_neighbors );;-----------------------------------------------------------------------------ALIGN 16predict_8x8_v_mmxext: PRED8x8_LOAD_TOP lea rax, [parm2q + 2*parm2q] movq [parm1q + parm2q], mm0 ; 0 movq [parm1q + 2*parm2q], mm0 ; 1 movq [parm1q + 4*parm2q], mm0 ; 3 movq [parm1q + 8*parm2q], mm0 ; 7 add parm1q, rax movq [parm1q], mm0 ; 2 movq [parm1q + 2*parm2q], mm0 ; 4 movq [parm1q + rax ], mm0 ; 5 movq [parm1q + 4*parm2q], mm0 ; 6 ret;-----------------------------------------------------------------------------;; void predict_8x8_dc_core_mmxext( uint8_t *src, int i_stride, int i_neighbors, uint8_t *pix_left );;;-----------------------------------------------------------------------------ALIGN 16predict_8x8_dc_core_mmxext: movq mm1, [parm4q-1] movq mm2, [parm4q+1] PRED8x8_LOWPASS mm4, [parm4q] PRED8x8_LOAD_TOP pxor mm1, mm1 psadbw mm0, mm1 psadbw mm4, mm1 paddw mm0, [pw_8 GLOBAL] paddw mm0, mm4 psrlw mm0, 4 pshufw mm0, mm0, 0 packuswb mm0, mm0 lea rax, [parm2q + 2*parm2q] movq [parm1q + parm2q], mm0 ; 0 movq [parm1q + 2*parm2q], mm0 ; 1 movq [parm1q + 4*parm2q], mm0 ; 3 movq [parm1q + 8*parm2q], mm0 ; 7 add parm1q, rax movq [parm1q], mm0 ; 2 movq [parm1q + 2*parm2q], mm0 ; 4 movq [parm1q + rax ], mm0 ; 5 movq [parm1q + 4*parm2q], mm0 ; 6 ret;-----------------------------------------------------------------------------;; void predict_8x8c_v_mmx( uint8_t *src, int i_stride );;-----------------------------------------------------------------------------ALIGN 16predict_8x8c_v_mmx : sub parm1q, parm2q ; esi <-- line -1 movq mm0, [parm1q] movq [parm1q + parm2q], mm0 ; 0 movq [parm1q + 2 * parm2q], mm0 ; 1 movq [parm1q + 4 * parm2q], mm0 ; 3 movq [parm1q + 8 * parm2q], mm0 ; 7 add parm1q, parm2q ; <-- line 0 movq [parm1q + 2 * parm2q], mm0 ; 2 movq [parm1q + 4 * parm2q], mm0 ; 4 lea parm1q, [parm1q + 4 * parm2q] ; <-- line 4 movq [parm1q + parm2q], mm0 ; 5 movq [parm1q + 2 * parm2q], mm0 ; 6 ret;-----------------------------------------------------------------------------;; void predict_8x8c_dc_core_mmxext( uint8_t *src, int i_stride, int s2, int s3 );;-----------------------------------------------------------------------------ALIGN 16predict_8x8c_dc_core_mmxext: sub parm1q, parm2q lea rax, [parm2q + 2*parm2q] movq mm0, [parm1q] pxor mm1, mm1 pxor mm2, mm2 punpckhbw mm1, mm0 punpcklbw mm0, mm2 psadbw mm1, mm2 ; s1 psadbw mm0, mm2 ; s0 movd mm4, parm3d movd mm5, parm4d paddw mm0, mm4 pshufw mm2, mm5, 0 psrlw mm0, 3 paddw mm1, [pw_2 GLOBAL] movq mm3, mm2 pshufw mm1, mm1, 0 pshufw mm0, mm0, 0 ; dc0 (w) paddw mm3, mm1 psrlw mm3, 3 ; dc3 (w) psrlw mm2, 2 ; dc2 (w) psrlw mm1, 2 ; dc1 (w) packuswb mm0, mm1 ; dc0,dc1 (b) packuswb mm2, mm3 ; dc2,dc3 (b) movq [parm1q + parm2q], mm0 ; 0 movq [parm1q + 2*parm2q], mm0 ; 1 movq [parm1q + rax ], mm0 ; 2 movq [parm1q + 4*parm2q], mm0 ; 3 lea parm1q, [parm1q + 4*parm2q] movq [parm1q + parm2q], mm2 ; 4 movq [parm1q + 2*parm2q], mm2 ; 5 movq [parm1q + rax ], mm2 ; 6 movq [parm1q + 4*parm2q], mm2 ; 7 ret;-----------------------------------------------------------------------------;; void predict_8x8c_p_core_mmx( uint8_t *src, int i_stride, int i00, int b, int c );;-----------------------------------------------------------------------------ALIGN 16predict_8x8c_p_core_mmx: movd mm0, parm3d movd mm2, parm4d movd mm4, parm5d pshufw mm0, mm0, 0 pshufw mm2, mm2, 0 pshufw mm4, mm4, 0 movq mm1, mm2 pmullw mm2, [pw_3210 GLOBAL] psllw mm1, 2 paddsw mm0, mm2 ; mm0 = {i+0*b, i+1*b, i+2*b, i+3*b} paddsw mm1, mm0 ; mm1 = {i+4*b, i+5*b, i+6*b, i+7*b} pxor mm5, mm5 mov eax, 8ALIGN 4.loop: movq mm6, mm0 movq mm7, mm1 psraw mm6, 5 psraw mm7, 5 pmaxsw mm6, mm5 pmaxsw mm7, mm5 packuswb mm6, mm7 movq [parm1q], mm6 paddsw mm0, mm4 paddsw mm1, mm4 add parm1q, parm2q dec eax jg .loop nop ret;-----------------------------------------------------------------------------;; void predict_16x16_p_core_mmx( uint8_t *src, int i_stride, int i00, int b, int c );;-----------------------------------------------------------------------------ALIGN 16predict_16x16_p_core_mmx: movd mm0, parm3d movd mm2, parm4d movd mm4, parm5d pshufw mm0, mm0, 0 pshufw mm2, mm2, 0 pshufw mm4, mm4, 0 movq mm5, mm2 movq mm1, mm2 pmullw mm5, [pw_3210 GLOBAL] psllw mm2, 3 psllw mm1, 2 movq mm3, mm2 paddsw mm0, mm5 ; mm0 = {i+ 0*b, i+ 1*b, i+ 2*b, i+ 3*b} paddsw mm1, mm0 ; mm1 = {i+ 4*b, i+ 5*b, i+ 6*b, i+ 7*b} paddsw mm2, mm0 ; mm2 = {i+ 8*b, i+ 9*b, i+10*b, i+11*b} paddsw mm3, mm1 ; mm3 = {i+12*b, i+13*b, i+14*b, i+15*b} pxor mm5, mm5 mov eax, 16ALIGN 4.loop: movq mm6, mm0 movq mm7, mm1 psraw mm6, 5 psraw mm7, 5 pmaxsw mm6, mm5 pmaxsw mm7, mm5 packuswb mm6, mm7 movq [parm1q], mm6 movq mm6, mm2 movq mm7, mm3 psraw mm6, 5 psraw mm7, 5 pmaxsw mm6, mm5 pmaxsw mm7, mm5 packuswb mm6, mm7 movq [parm1q+8], mm6 paddsw mm0, mm4 paddsw mm1, mm4 paddsw mm2, mm4 paddsw mm3, mm4 add parm1q, parm2q dec eax jg .loop nop ret ;-----------------------------------------------------------------------------;; void predict_16x16_v_mmx( uint8_t *src, int i_stride );;-----------------------------------------------------------------------------ALIGN 16predict_16x16_v_mmx : sub parm1q, parm2q ; line -1 movq mm0, [parm1q] movq mm1, [parm1q + 8] lea rax, [parm2q + 2 * parm2q] ; 3 * stride SAVE_0_1 (parm1q + parm2q) ; 0 SAVE_0_1 (parm1q + 2 * parm2q) ; 1 SAVE_0_1 (parm1q + rax) ; 2 SAVE_0_1 (parm1q + 4 * parm2q) ; 3 SAVE_0_1 (parm1q + 2 * rax) ; 5 SAVE_0_1 (parm1q + 8 * parm2q) ; 7 SAVE_0_1 (parm1q + 4 * rax) ; 11 add parm1q, parm2q ; <-- line 0 SAVE_0_1 (parm1q + 4 * parm2q) ; 4 SAVE_0_1 (parm1q + 2 * rax) ; 6 SAVE_0_1 (parm1q + 8 * parm2q) ; 8 SAVE_0_1 (parm1q + 4 * rax) ; 12 lea parm1q, [parm1q + 8 * parm2q] ; <-- line 8 SAVE_0_1 (parm1q + parm2q) ; 9 SAVE_0_1 (parm1q + 2 * parm2q) ; 10 lea parm1q, [parm1q + 4 * parm2q] ; <-- line 12 SAVE_0_1 (parm1q + parm2q) ; 13 SAVE_0_1 (parm1q + 2 * parm2q) ; 14 SAVE_0_1 (parm1q + rax) ; 15 ret;-----------------------------------------------------------------------------;; void predict_16x16_dc_core_mmxext( uint8_t *src, int i_stride, int i_dc_left );;-----------------------------------------------------------------------------%macro PRED16x16_DC 2 sub parm1q, parm2q ; parm1q <-- line -1 pxor mm0, mm0 pxor mm1, mm1 psadbw mm0, [parm1q] psadbw mm1, [parm1q + 8] paddusw mm0, mm1 paddusw mm0, %1 psrlw mm0, %2 ; dc pshufw mm0, mm0, 0 lea r8, [parm2q + 2*parm2q] ; eax <-- 3* stride packuswb mm0, mm0 ; dc in bytes mov eax, 4ALIGN 4.loop: SAVE_0_0 (parm1q + parm2q) ; 0 SAVE_0_0 (parm1q + 2 * parm2q) ; 1 SAVE_0_0 (parm1q + r8 ) ; 2 SAVE_0_0 (parm1q + 4 * parm2q) ; 3 dec eax lea parm1q, [parm1q + 4 * parm2q] jg .loop nop%endmacroALIGN 16predict_16x16_dc_core_mmxext: movd mm2, parm3d PRED16x16_DC mm2, 5 retALIGN 16predict_16x16_dc_top_mmxext: PRED16x16_DC [pw_8 GLOBAL], 4 ret⌨️ 快捷键说明
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