ffmpeg/libavcodec/bfin/hpel_pixels_no_rnd.S

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/*
* Blackfin Pixel Operations
* Copyright (C) 2007 Marc Hoffman <marc.hoffman@analog.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/bfin/asm.h"
DEFUN(put_pixels8uc_no_rnd,mL1,
(uint8_t *block, const uint8_t *s0, const uint8_t *s1,
int line_size, int h)):
i3=r0; // dest
i0=r1; // src0
i1=r2; // src1
r2=[sp+12]; // line_size
p0=[sp+16]; // h
[--sp] = (r7:6);
r2+=-4;
m3=r2;
r2+=-4;
m0=r2;
LSETUP(pp8$2,pp8$3) LC0=P0;
DISALGNEXCPT || R0 = [I0++] || R2 =[I1++];
pp8$2: DISALGNEXCPT || R1 = [I0++] || R3 =[I1++];
R6 = BYTEOP1P(R1:0,R3:2)(T) || R0 = [I0++M0]|| R2 =[I1++M0];
R7 = BYTEOP1P(R1:0,R3:2)(T,R) || R0 = [I0++] || [I3++] = R6 ;
pp8$3: DISALGNEXCPT || R2 = [I1++] || [I3++M3] = R7;
(r7:6) = [sp++];
RTS;
DEFUN_END(put_pixels8uc_no_rnd)
DEFUN(put_pixels16uc_no_rnd,mL1,
(uint8_t *block, const uint8_t *s0, const uint8_t *s1,
int line_size, int h)):
i3=r0; // dest
i0=r1; // src0
i1=r2; // src1
r2=[sp+12]; // line_size
p0=[sp+16]; // h
[--sp] = (r7:6);
r2+=-12;
m3=r2; // line_size
r2+=-4;
m0=r2;
LSETUP(pp16$2,pp16$3) LC0=P0;
DISALGNEXCPT || R0 = [I0++] || R2 =[I1++];
pp16$2:
DISALGNEXCPT || R1 = [I0++] || R3 =[I1++];
R6 = BYTEOP1P(R1:0,R3:2)(T) || R0 = [I0++] || R2 =[I1++];
R7 = BYTEOP1P(R1:0,R3:2)(T,R) || R1 = [I0++] || R3 =[I1++];
[I3++] = R6;
R6 = BYTEOP1P(R1:0,R3:2)(T) || R0 = [I0++M0] || R2 =[I1++M0];
R7 = BYTEOP1P(R1:0,R3:2)(T,R) || R0 = [I0++] || [I3++] = R7 ;
[I3++] = R6;
pp16$3: DISALGNEXCPT || R2 = [I1++] || [I3++M3] = R7;
(r7:6) = [sp++];
RTS;
DEFUN_END(put_pixels16uc_no_rnd)