forked from KolibriOS/kolibrios
126 lines
2.9 KiB
ArmAsm
126 lines
2.9 KiB
ArmAsm
/*
|
|
* Alpha optimized DSP utils
|
|
* Copyright (c) 2002 Falk Hueffner <falk@debian.org>
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
/*
|
|
* These functions are scheduled for pca56. They should work
|
|
* reasonably on ev6, though.
|
|
*/
|
|
|
|
#include "regdef.h"
|
|
|
|
|
|
.set noat
|
|
.set noreorder
|
|
.arch pca56
|
|
.text
|
|
|
|
/************************************************************************
|
|
* void put_pixels_axp_asm(uint8_t *block, const uint8_t *pixels,
|
|
* int line_size, int h)
|
|
*/
|
|
.align 6
|
|
.globl put_pixels_axp_asm
|
|
.ent put_pixels_axp_asm
|
|
put_pixels_axp_asm:
|
|
.frame sp, 0, ra
|
|
.prologue 0
|
|
|
|
and a1, 7, t0
|
|
beq t0, $aligned
|
|
|
|
.align 4
|
|
$unaligned:
|
|
ldq_u t0, 0(a1)
|
|
ldq_u t1, 8(a1)
|
|
addq a1, a2, a1
|
|
nop
|
|
|
|
ldq_u t2, 0(a1)
|
|
ldq_u t3, 8(a1)
|
|
addq a1, a2, a1
|
|
nop
|
|
|
|
ldq_u t4, 0(a1)
|
|
ldq_u t5, 8(a1)
|
|
addq a1, a2, a1
|
|
nop
|
|
|
|
ldq_u t6, 0(a1)
|
|
ldq_u t7, 8(a1)
|
|
extql t0, a1, t0
|
|
addq a1, a2, a1
|
|
|
|
extqh t1, a1, t1
|
|
addq a0, a2, t8
|
|
extql t2, a1, t2
|
|
addq t8, a2, t9
|
|
|
|
extqh t3, a1, t3
|
|
addq t9, a2, ta
|
|
extql t4, a1, t4
|
|
or t0, t1, t0
|
|
|
|
extqh t5, a1, t5
|
|
or t2, t3, t2
|
|
extql t6, a1, t6
|
|
or t4, t5, t4
|
|
|
|
extqh t7, a1, t7
|
|
or t6, t7, t6
|
|
stq t0, 0(a0)
|
|
stq t2, 0(t8)
|
|
|
|
stq t4, 0(t9)
|
|
subq a3, 4, a3
|
|
stq t6, 0(ta)
|
|
addq ta, a2, a0
|
|
|
|
bne a3, $unaligned
|
|
ret
|
|
|
|
.align 4
|
|
$aligned:
|
|
ldq t0, 0(a1)
|
|
addq a1, a2, a1
|
|
ldq t1, 0(a1)
|
|
addq a1, a2, a1
|
|
|
|
ldq t2, 0(a1)
|
|
addq a1, a2, a1
|
|
ldq t3, 0(a1)
|
|
|
|
addq a0, a2, t4
|
|
addq a1, a2, a1
|
|
addq t4, a2, t5
|
|
subq a3, 4, a3
|
|
|
|
stq t0, 0(a0)
|
|
addq t5, a2, t6
|
|
stq t1, 0(t4)
|
|
addq t6, a2, a0
|
|
|
|
stq t2, 0(t5)
|
|
stq t3, 0(t6)
|
|
|
|
bne a3, $aligned
|
|
ret
|
|
.end put_pixels_axp_asm
|