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|
;*****************************************************************************
;* SSE2-optimized weighted prediction code
;*****************************************************************************
;* Copyright (c) 2004-2005 Michael Niedermayer, Loren Merritt
;* Copyright (C) 2010 Eli Friedman <eli.friedman@gmail.com>
;*
;* 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 "libavutil/x86/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
|
