105 lines
2.2 KiB
NASM
Executable File
105 lines
2.2 KiB
NASM
Executable File
;*****************************************************************************
|
|
;*
|
|
;* 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: idct_wmmx.asm 324 2005-11-02 04:49:29Z picard $
|
|
;*
|
|
;* The Core Pocket Media Player
|
|
;* Copyright (c) 2004-2005 Gabor Kovacs
|
|
;*
|
|
;*****************************************************************************
|
|
|
|
AREA |.text|, CODE
|
|
|
|
EXPORT WMMXIDCT_Const8x8
|
|
|
|
ALIGN 16
|
|
;WMMXIDCT_Const8x8(int v,uint8_t * Dst,int DstPitch, uint8_t * Src)
|
|
WMMXIDCT_Const8x8 PROC
|
|
cmp r0,#0
|
|
bgt const8x8add
|
|
blt const8x8sub
|
|
cmp r1,r3
|
|
beq const8x8done
|
|
|
|
macro
|
|
const8x8copyrow
|
|
wldrd wr1,[r3]
|
|
add r3,r3,#8
|
|
wldrd wr2,[r3]
|
|
add r3,r3,#8
|
|
wstrd wr1,[r1]
|
|
add r1,r1,r2
|
|
wstrd wr2,[r1]
|
|
add r1,r1,r2
|
|
mend
|
|
|
|
const8x8copyrow
|
|
const8x8copyrow
|
|
const8x8copyrow
|
|
const8x8copyrow
|
|
|
|
const8x8done
|
|
mov pc,lr
|
|
|
|
const8x8add
|
|
macro
|
|
const8x8addrow
|
|
wldrd wr1,[r3]
|
|
add r3,r3,#8
|
|
wldrd wr2,[r3]
|
|
add r3,r3,#8
|
|
waddbus wr1,wr1,wr0
|
|
waddbus wr2,wr2,wr0
|
|
wstrd wr1,[r1]
|
|
add r1,r1,r2
|
|
wstrd wr2,[r1]
|
|
add r1,r1,r2
|
|
mend
|
|
|
|
tbcstb wr0,r0
|
|
const8x8addrow
|
|
const8x8addrow
|
|
const8x8addrow
|
|
const8x8addrow
|
|
mov pc,lr
|
|
|
|
const8x8sub
|
|
macro
|
|
const8x8subrow
|
|
wldrd wr1,[r3]
|
|
add r3,r3,#8
|
|
wldrd wr2,[r3]
|
|
add r3,r3,#8
|
|
wsubbus wr1,wr1,wr0
|
|
wsubbus wr2,wr2,wr0
|
|
wstrd wr1,[r1]
|
|
add r1,r1,r2
|
|
wstrd wr2,[r1]
|
|
add r1,r1,r2
|
|
mend
|
|
|
|
rsb r0,r0,#0
|
|
tbcstb wr0,r0
|
|
const8x8subrow
|
|
const8x8subrow
|
|
const8x8subrow
|
|
const8x8subrow
|
|
mov pc,lr
|
|
|
|
endp
|
|
|
|
end
|