2017-11-21 10:10:52 +02:00
|
|
|
;******************************************************************************
|
|
|
|
|
;* SIMD-optimized HuffYUV functions
|
|
|
|
|
;* Copyright (c) 2008 Loren Merritt
|
|
|
|
|
;* Copyright (c) 2014 Christophe Gisquet
|
|
|
|
|
;*
|
|
|
|
|
;* 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
|
|
|
|
|
;******************************************************************************
|
|
|
|
|
|
|
|
|
|
%macro INT16_LOOP 2 ; %1 = a/u (aligned/unaligned), %2 = add/sub
|
2017-11-21 10:14:35 +02:00
|
|
|
movd xm4, maskd
|
|
|
|
|
SPLATW m4, xm4
|
2017-11-21 10:10:52 +02:00
|
|
|
add wd, wd
|
|
|
|
|
test wq, 2*mmsize - 1
|
|
|
|
|
jz %%.tomainloop
|
|
|
|
|
push tmpq
|
|
|
|
|
%%.wordloop:
|
|
|
|
|
sub wq, 2
|
|
|
|
|
%ifidn %2, add
|
|
|
|
|
mov tmpw, [srcq+wq]
|
|
|
|
|
add tmpw, [dstq+wq]
|
|
|
|
|
%else
|
|
|
|
|
mov tmpw, [src1q+wq]
|
|
|
|
|
sub tmpw, [src2q+wq]
|
|
|
|
|
%endif
|
|
|
|
|
and tmpw, maskw
|
|
|
|
|
mov [dstq+wq], tmpw
|
|
|
|
|
test wq, 2*mmsize - 1
|
|
|
|
|
jnz %%.wordloop
|
|
|
|
|
pop tmpq
|
|
|
|
|
%%.tomainloop:
|
|
|
|
|
%ifidn %2, add
|
|
|
|
|
add srcq, wq
|
|
|
|
|
%else
|
|
|
|
|
add src1q, wq
|
|
|
|
|
add src2q, wq
|
|
|
|
|
%endif
|
|
|
|
|
add dstq, wq
|
|
|
|
|
neg wq
|
|
|
|
|
jz %%.end
|
|
|
|
|
%%.loop:
|
|
|
|
|
%ifidn %2, add
|
|
|
|
|
mov%1 m0, [srcq+wq]
|
|
|
|
|
mov%1 m1, [dstq+wq]
|
|
|
|
|
mov%1 m2, [srcq+wq+mmsize]
|
|
|
|
|
mov%1 m3, [dstq+wq+mmsize]
|
|
|
|
|
%else
|
|
|
|
|
mov%1 m0, [src1q+wq]
|
|
|
|
|
mov%1 m1, [src2q+wq]
|
|
|
|
|
mov%1 m2, [src1q+wq+mmsize]
|
|
|
|
|
mov%1 m3, [src2q+wq+mmsize]
|
|
|
|
|
%endif
|
|
|
|
|
p%2w m0, m1
|
|
|
|
|
p%2w m2, m3
|
|
|
|
|
pand m0, m4
|
|
|
|
|
pand m2, m4
|
|
|
|
|
mov%1 [dstq+wq] , m0
|
|
|
|
|
mov%1 [dstq+wq+mmsize], m2
|
|
|
|
|
add wq, 2*mmsize
|
|
|
|
|
jl %%.loop
|
|
|
|
|
%%.end:
|
|
|
|
|
RET
|
|
|
|
|
%endmacro
|
