260 lines
8.5 KiB
ArmAsm
260 lines
8.5 KiB
ArmAsm
/*
|
|
* Copyright (c) 2009 Mans Rullgard <mans@mansr.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/arm/asm.S"
|
|
|
|
.macro call_2x_pixels type, subp
|
|
function ff_\type\()_pixels16\subp\()_armv6, export=1
|
|
push {r0-r3, lr}
|
|
bl ff_\type\()_pixels8\subp\()_armv6
|
|
pop {r0-r3, lr}
|
|
add r0, r0, #8
|
|
add r1, r1, #8
|
|
b ff_\type\()_pixels8\subp\()_armv6
|
|
endfunc
|
|
.endm
|
|
|
|
call_2x_pixels avg
|
|
call_2x_pixels put, _x2
|
|
call_2x_pixels put, _y2
|
|
call_2x_pixels put, _x2_no_rnd
|
|
call_2x_pixels put, _y2_no_rnd
|
|
|
|
function ff_put_pixels16_armv6, export=1
|
|
push {r4-r11}
|
|
1:
|
|
ldr r5, [r1, #4]
|
|
ldr r6, [r1, #8]
|
|
ldr r7, [r1, #12]
|
|
ldr_post r4, r1, r2
|
|
strd r6, r7, [r0, #8]
|
|
ldr r9, [r1, #4]
|
|
strd_post r4, r5, r0, r2
|
|
ldr r10, [r1, #8]
|
|
ldr r11, [r1, #12]
|
|
ldr_post r8, r1, r2
|
|
strd r10, r11, [r0, #8]
|
|
subs r3, r3, #2
|
|
strd_post r8, r9, r0, r2
|
|
bne 1b
|
|
|
|
pop {r4-r11}
|
|
bx lr
|
|
endfunc
|
|
|
|
function ff_put_pixels8_armv6, export=1
|
|
push {r4-r7}
|
|
1:
|
|
ldr r5, [r1, #4]
|
|
ldr_post r4, r1, r2
|
|
ldr r7, [r1, #4]
|
|
strd_post r4, r5, r0, r2
|
|
ldr_post r6, r1, r2
|
|
subs r3, r3, #2
|
|
strd_post r6, r7, r0, r2
|
|
bne 1b
|
|
|
|
pop {r4-r7}
|
|
bx lr
|
|
endfunc
|
|
|
|
function ff_put_pixels8_x2_armv6, export=1
|
|
push {r4-r11, lr}
|
|
mov r12, #1
|
|
orr r12, r12, r12, lsl #8
|
|
orr r12, r12, r12, lsl #16
|
|
1:
|
|
ldr r4, [r1]
|
|
subs r3, r3, #2
|
|
ldr r5, [r1, #4]
|
|
ldr r7, [r1, #5]
|
|
lsr r6, r4, #8
|
|
ldr_pre r8, r1, r2
|
|
orr r6, r6, r5, lsl #24
|
|
ldr r9, [r1, #4]
|
|
ldr r11, [r1, #5]
|
|
lsr r10, r8, #8
|
|
add r1, r1, r2
|
|
orr r10, r10, r9, lsl #24
|
|
eor r14, r4, r6
|
|
uhadd8 r4, r4, r6
|
|
eor r6, r5, r7
|
|
uhadd8 r5, r5, r7
|
|
and r14, r14, r12
|
|
and r6, r6, r12
|
|
uadd8 r4, r4, r14
|
|
eor r14, r8, r10
|
|
uadd8 r5, r5, r6
|
|
eor r6, r9, r11
|
|
uhadd8 r8, r8, r10
|
|
and r14, r14, r12
|
|
uhadd8 r9, r9, r11
|
|
and r6, r6, r12
|
|
uadd8 r8, r8, r14
|
|
strd_post r4, r5, r0, r2
|
|
uadd8 r9, r9, r6
|
|
strd_post r8, r9, r0, r2
|
|
bne 1b
|
|
|
|
pop {r4-r11, pc}
|
|
endfunc
|
|
|
|
function ff_put_pixels8_y2_armv6, export=1
|
|
push {r4-r11}
|
|
mov r12, #1
|
|
orr r12, r12, r12, lsl #8
|
|
orr r12, r12, r12, lsl #16
|
|
ldr r4, [r1]
|
|
ldr r5, [r1, #4]
|
|
ldr_pre r6, r1, r2
|
|
ldr r7, [r1, #4]
|
|
1:
|
|
subs r3, r3, #2
|
|
uhadd8 r8, r4, r6
|
|
eor r10, r4, r6
|
|
uhadd8 r9, r5, r7
|
|
eor r11, r5, r7
|
|
and r10, r10, r12
|
|
ldr_pre r4, r1, r2
|
|
uadd8 r8, r8, r10
|
|
and r11, r11, r12
|
|
uadd8 r9, r9, r11
|
|
ldr r5, [r1, #4]
|
|
uhadd8 r10, r4, r6
|
|
eor r6, r4, r6
|
|
uhadd8 r11, r5, r7
|
|
and r6, r6, r12
|
|
eor r7, r5, r7
|
|
uadd8 r10, r10, r6
|
|
and r7, r7, r12
|
|
ldr_pre r6, r1, r2
|
|
uadd8 r11, r11, r7
|
|
strd_post r8, r9, r0, r2
|
|
ldr r7, [r1, #4]
|
|
strd_post r10, r11, r0, r2
|
|
bne 1b
|
|
|
|
pop {r4-r11}
|
|
bx lr
|
|
endfunc
|
|
|
|
function ff_put_pixels8_x2_no_rnd_armv6, export=1
|
|
push {r4-r9, lr}
|
|
1:
|
|
subs r3, r3, #2
|
|
ldr r4, [r1]
|
|
ldr r5, [r1, #4]
|
|
ldr r7, [r1, #5]
|
|
ldr_pre r8, r1, r2
|
|
ldr r9, [r1, #4]
|
|
ldr r14, [r1, #5]
|
|
add r1, r1, r2
|
|
lsr r6, r4, #8
|
|
orr r6, r6, r5, lsl #24
|
|
lsr r12, r8, #8
|
|
orr r12, r12, r9, lsl #24
|
|
uhadd8 r4, r4, r6
|
|
uhadd8 r5, r5, r7
|
|
uhadd8 r8, r8, r12
|
|
uhadd8 r9, r9, r14
|
|
stm r0, {r4,r5}
|
|
add r0, r0, r2
|
|
stm r0, {r8,r9}
|
|
add r0, r0, r2
|
|
bne 1b
|
|
|
|
pop {r4-r9, pc}
|
|
endfunc
|
|
|
|
function ff_put_pixels8_y2_no_rnd_armv6, export=1
|
|
push {r4-r9, lr}
|
|
ldr r4, [r1]
|
|
ldr r5, [r1, #4]
|
|
ldr_pre r6, r1, r2
|
|
ldr r7, [r1, #4]
|
|
1:
|
|
subs r3, r3, #2
|
|
uhadd8 r8, r4, r6
|
|
ldr_pre r4, r1, r2
|
|
uhadd8 r9, r5, r7
|
|
ldr r5, [r1, #4]
|
|
uhadd8 r12, r4, r6
|
|
ldr_pre r6, r1, r2
|
|
uhadd8 r14, r5, r7
|
|
ldr r7, [r1, #4]
|
|
stm r0, {r8,r9}
|
|
add r0, r0, r2
|
|
stm r0, {r12,r14}
|
|
add r0, r0, r2
|
|
bne 1b
|
|
|
|
pop {r4-r9, pc}
|
|
endfunc
|
|
|
|
function ff_avg_pixels8_armv6, export=1
|
|
pld [r1, r2]
|
|
push {r4-r10, lr}
|
|
mov lr, #1
|
|
orr lr, lr, lr, lsl #8
|
|
orr lr, lr, lr, lsl #16
|
|
ldrd r4, r5, [r0]
|
|
ldr r10, [r1, #4]
|
|
ldr_post r9, r1, r2
|
|
subs r3, r3, #2
|
|
1:
|
|
pld [r1, r2]
|
|
eor r8, r4, r9
|
|
uhadd8 r4, r4, r9
|
|
eor r12, r5, r10
|
|
ldrd_reg r6, r7, r0, r2
|
|
uhadd8 r5, r5, r10
|
|
and r8, r8, lr
|
|
ldr r10, [r1, #4]
|
|
and r12, r12, lr
|
|
uadd8 r4, r4, r8
|
|
ldr_post r9, r1, r2
|
|
eor r8, r6, r9
|
|
uadd8 r5, r5, r12
|
|
pld [r1, r2, lsl #1]
|
|
eor r12, r7, r10
|
|
uhadd8 r6, r6, r9
|
|
strd_post r4, r5, r0, r2
|
|
uhadd8 r7, r7, r10
|
|
beq 2f
|
|
and r8, r8, lr
|
|
ldrd_reg r4, r5, r0, r2
|
|
uadd8 r6, r6, r8
|
|
ldr r10, [r1, #4]
|
|
and r12, r12, lr
|
|
subs r3, r3, #2
|
|
uadd8 r7, r7, r12
|
|
ldr_post r9, r1, r2
|
|
strd_post r6, r7, r0, r2
|
|
b 1b
|
|
2:
|
|
and r8, r8, lr
|
|
and r12, r12, lr
|
|
uadd8 r6, r6, r8
|
|
uadd8 r7, r7, r12
|
|
strd_post r6, r7, r0, r2
|
|
|
|
pop {r4-r10, pc}
|
|
endfunc
|