;***************************************************************************** ;* SSE2-optimized weighted prediction code ;***************************************************************************** ;* Copyright (c) 2004-2005 Michael Niedermayer, Loren Merritt ;* Copyright (C) 2010 Eli Friedman ;* ;* This file is part of Libav. ;* ;* Libav 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. ;* ;* Libav 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 Libav; if not, write to the Free Software ;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA ;****************************************************************************** %include "x86inc.asm" SECTION .text ;----------------------------------------------------------------------------- ; biweight pred: ; ; void h264_biweight_16x16_sse2(uint8_t *dst, uint8_t *src, int stride, ; int log2_denom, int weightd, int weights, ; int offset); ; and ; void h264_weight_16x16_sse2(uint8_t *dst, int stride, ; int log2_denom, int weight, ; int offset); ;----------------------------------------------------------------------------- %macro WEIGHT_SETUP 0 add r4, r4 inc r4 movd m3, r3d movd m5, r4d movd m6, r2d pslld m5, m6 psrld m5, 1 %if mmsize == 16 pshuflw m3, m3, 0 pshuflw m5, m5, 0 punpcklqdq m3, m3 punpcklqdq m5, m5 %else pshufw m3, m3, 0 pshufw m5, m5, 0 %endif pxor m7, m7 %endmacro %macro WEIGHT_OP 2 movh m0, [r0+%1] movh m1, [r0+%2] punpcklbw m0, m7 punpcklbw m1, m7 pmullw m0, m3 pmullw m1, m3 paddsw m0, m5 paddsw m1, m5 psraw m0, m6 psraw m1, m6 packuswb m0, m1 %endmacro %macro WEIGHT_FUNC_DBL_MM 1 cglobal h264_weight_16x%1_mmx2, 5, 5, 0 WEIGHT_SETUP mov r2, %1 %if %1 == 16 .nextrow WEIGHT_OP 0, 4 mova [r0 ], m0 WEIGHT_OP 8, 12 mova [r0+8], m0 add r0, r1 dec r2 jnz .nextrow REP_RET %else jmp mangle(ff_h264_weight_16x16_mmx2.nextrow) %endif %endmacro INIT_MMX WEIGHT_FUNC_DBL_MM 16 WEIGHT_FUNC_DBL_MM 8 %macro WEIGHT_FUNC_MM 4 cglobal h264_weight_%1x%2_%4, 7, 7, %3 WEIGHT_SETUP mov r2, %2 %if %2 == 16 .nextrow WEIGHT_OP 0, mmsize/2 mova [r0], m0 add r0, r1 dec r2 jnz .nextrow REP_RET %else jmp mangle(ff_h264_weight_%1x16_%4.nextrow) %endif %endmacro INIT_MMX WEIGHT_FUNC_MM 8, 16, 0, mmx2 WEIGHT_FUNC_MM 8, 8, 0, mmx2 WEIGHT_FUNC_MM 8, 4, 0, mmx2 INIT_XMM WEIGHT_FUNC_MM 16, 16, 8, sse2 WEIGHT_FUNC_MM 16, 8, 8, sse2 %macro WEIGHT_FUNC_HALF_MM 5 cglobal h264_weight_%1x%2_%5, 5, 5, %4 WEIGHT_SETUP mov r2, %2/2 lea r3, [r1*2] %if %2 == mmsize .nextrow WEIGHT_OP 0, r1 movh [r0], m0 %if mmsize == 16 movhps [r0+r1], m0 %else psrlq m0, 32 movh [r0+r1], m0 %endif add r0, r3 dec r2 jnz .nextrow REP_RET %else jmp mangle(ff_h264_weight_%1x%3_%5.nextrow) %endif %endmacro INIT_MMX WEIGHT_FUNC_HALF_MM 4, 8, 8, 0, mmx2 WEIGHT_FUNC_HALF_MM 4, 4, 8, 0, mmx2 WEIGHT_FUNC_HALF_MM 4, 2, 8, 0, mmx2 INIT_XMM WEIGHT_FUNC_HALF_MM 8, 16, 16, 8, sse2 WEIGHT_FUNC_HALF_MM 8, 8, 16, 8, sse2 WEIGHT_FUNC_HALF_MM 8, 4, 16, 8, sse2 %macro BIWEIGHT_SETUP 0 add r6, 1 or r6, 1 add r3, 1 movd m3, r4d movd m4, r5d movd m5, r6d movd m6, r3d pslld m5, m6 psrld m5, 1 %if mmsize == 16 pshuflw m3, m3, 0 pshuflw m4, m4, 0 pshuflw m5, m5, 0 punpcklqdq m3, m3 punpcklqdq m4, m4 punpcklqdq m5, m5 %else pshufw m3, m3, 0 pshufw m4, m4, 0 pshufw m5, m5, 0 %endif pxor m7, m7 %endmacro %macro BIWEIGHT_STEPA 3 movh m%1, [r0+%3] movh m%2, [r1+%3] punpcklbw m%1, m7 punpcklbw m%2, m7 pmullw m%1, m3 pmullw m%2, m4 paddsw m%1, m%2 %endmacro %macro BIWEIGHT_STEPB 0 paddsw m0, m5 paddsw m1, m5 psraw m0, m6 psraw m1, m6 packuswb m0, m1 %endmacro %macro BIWEIGHT_FUNC_DBL_MM 1 cglobal h264_biweight_16x%1_mmx2, 7, 7, 0 BIWEIGHT_SETUP mov r3, %1 %if %1 == 16 .nextrow BIWEIGHT_STEPA 0, 1, 0 BIWEIGHT_STEPA 1, 2, 4 BIWEIGHT_STEPB mova [r0], m0 BIWEIGHT_STEPA 0, 1, 8 BIWEIGHT_STEPA 1, 2, 12 BIWEIGHT_STEPB mova [r0+8], m0 add r0, r2 add r1, r2 dec r3 jnz .nextrow REP_RET %else jmp mangle(ff_h264_biweight_16x16_mmx2.nextrow) %endif %endmacro INIT_MMX BIWEIGHT_FUNC_DBL_MM 16 BIWEIGHT_FUNC_DBL_MM 8 %macro BIWEIGHT_FUNC_MM 4 cglobal h264_biweight_%1x%2_%4, 7, 7, %3 BIWEIGHT_SETUP mov r3, %2 %if %2 == 16 .nextrow BIWEIGHT_STEPA 0, 1, 0 BIWEIGHT_STEPA 1, 2, mmsize/2 BIWEIGHT_STEPB mova [r0], m0 add r0, r2 add r1, r2 dec r3 jnz .nextrow REP_RET %else jmp mangle(ff_h264_biweight_%1x16_%4.nextrow) %endif %endmacro INIT_MMX BIWEIGHT_FUNC_MM 8, 16, 0, mmx2 BIWEIGHT_FUNC_MM 8, 8, 0, mmx2 BIWEIGHT_FUNC_MM 8, 4, 0, mmx2 INIT_XMM BIWEIGHT_FUNC_MM 16, 16, 8, sse2 BIWEIGHT_FUNC_MM 16, 8, 8, sse2 %macro BIWEIGHT_FUNC_HALF_MM 5 cglobal h264_biweight_%1x%2_%5, 7, 7, %4 BIWEIGHT_SETUP mov r3, %2/2 lea r4, [r2*2] %if %2 == mmsize .nextrow BIWEIGHT_STEPA 0, 1, 0 BIWEIGHT_STEPA 1, 2, r2 BIWEIGHT_STEPB movh [r0], m0 %if mmsize == 16 movhps [r0+r2], m0 %else psrlq m0, 32 movh [r0+r2], m0 %endif add r0, r4 add r1, r4 dec r3 jnz .nextrow REP_RET %else jmp mangle(ff_h264_biweight_%1x%3_%5.nextrow) %endif %endmacro INIT_MMX BIWEIGHT_FUNC_HALF_MM 4, 8, 8, 0, mmx2 BIWEIGHT_FUNC_HALF_MM 4, 4, 8, 0, mmx2 BIWEIGHT_FUNC_HALF_MM 4, 2, 8, 0, mmx2 INIT_XMM BIWEIGHT_FUNC_HALF_MM 8, 16, 16, 8, sse2 BIWEIGHT_FUNC_HALF_MM 8, 8, 16, 8, sse2 BIWEIGHT_FUNC_HALF_MM 8, 4, 16, 8, sse2 %macro BIWEIGHT_SSSE3_SETUP 0 add r6, 1 or r6, 1 add r3, 1 movd m4, r4d movd m0, r5d movd m5, r6d movd m6, r3d pslld m5, m6 psrld m5, 1 punpcklbw m4, m0 pshuflw m4, m4, 0 pshuflw m5, m5, 0 punpcklqdq m4, m4 punpcklqdq m5, m5 %endmacro %macro BIWEIGHT_SSSE3_OP 0 pmaddubsw m0, m4 pmaddubsw m2, m4 paddsw m0, m5 paddsw m2, m5 psraw m0, m6 psraw m2, m6 packuswb m0, m2 %endmacro %macro BIWEIGHT_SSSE3_16 1 cglobal h264_biweight_16x%1_ssse3, 7, 7, 8 BIWEIGHT_SSSE3_SETUP mov r3, %1 %if %1 == 16 .nextrow movh m0, [r0] movh m2, [r0+8] movh m3, [r1+8] punpcklbw m0, [r1] punpcklbw m2, m3 BIWEIGHT_SSSE3_OP mova [r0], m0 add r0, r2 add r1, r2 dec r3 jnz .nextrow REP_RET %else jmp mangle(ff_h264_biweight_16x16_ssse3.nextrow) %endif %endmacro INIT_XMM BIWEIGHT_SSSE3_16 16 BIWEIGHT_SSSE3_16 8 %macro BIWEIGHT_SSSE3_8 1 cglobal h264_biweight_8x%1_ssse3, 7, 7, 8 BIWEIGHT_SSSE3_SETUP mov r3, %1/2 lea r4, [r2*2] %if %1 == 16 .nextrow movh m0, [r0] movh m1, [r1] movh m2, [r0+r2] movh m3, [r1+r2] punpcklbw m0, m1 punpcklbw m2, m3 BIWEIGHT_SSSE3_OP movh [r0], m0 movhps [r0+r2], m0 add r0, r4 add r1, r4 dec r3 jnz .nextrow REP_RET %else jmp mangle(ff_h264_biweight_8x16_ssse3.nextrow) %endif %endmacro INIT_XMM BIWEIGHT_SSSE3_8 16 BIWEIGHT_SSSE3_8 8 BIWEIGHT_SSSE3_8 4