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262 lines
8.6 KiB
ArmAsm
262 lines
8.6 KiB
ArmAsm
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/*
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* Copyright (c) 2009 Mans Rullgard <mans@mansr.com>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "libavutil/arm/asm.S"
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.macro call_2x_pixels type, subp
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function ff_\type\()_pixels16\subp\()_armv6, export=1
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push {r0-r3, lr}
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bl X(ff_\type\()_pixels8\subp\()_armv6)
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pop {r0-r3, lr}
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add r0, r0, #8
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add r1, r1, #8
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b X(ff_\type\()_pixels8\subp\()_armv6)
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endfunc
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.endm
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call_2x_pixels avg
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call_2x_pixels put, _x2
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call_2x_pixels put, _y2
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call_2x_pixels put, _x2_no_rnd
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call_2x_pixels put, _y2_no_rnd
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function ff_put_pixels16_armv6, export=1
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push {r4-r11}
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1:
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ldr r5, [r1, #4]
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ldr r6, [r1, #8]
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ldr r7, [r1, #12]
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ldr_post r4, r1, r2
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strd r6, r7, [r0, #8]
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ldr r9, [r1, #4]
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strd_post r4, r5, r0, r2
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ldr r10, [r1, #8]
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ldr r11, [r1, #12]
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ldr_post r8, r1, r2
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strd r10, r11, [r0, #8]
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subs r3, r3, #2
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strd_post r8, r9, r0, r2
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bne 1b
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pop {r4-r11}
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bx lr
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endfunc
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function ff_put_pixels8_armv6, export=1
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push {r4-r7}
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1:
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ldr r5, [r1, #4]
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ldr_post r4, r1, r2
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ldr r7, [r1, #4]
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strd_post r4, r5, r0, r2
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ldr_post r6, r1, r2
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subs r3, r3, #2
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strd_post r6, r7, r0, r2
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bne 1b
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pop {r4-r7}
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bx lr
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endfunc
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function ff_put_pixels8_x2_armv6, export=1
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push {r4-r11, lr}
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mov r12, #1
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orr r12, r12, r12, lsl #8
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orr r12, r12, r12, lsl #16
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1:
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ldr r4, [r1]
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subs r3, r3, #2
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ldr r5, [r1, #4]
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ldr r7, [r1, #5]
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lsr r6, r4, #8
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ldr_pre r8, r1, r2
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orr r6, r6, r5, lsl #24
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ldr r9, [r1, #4]
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ldr r11, [r1, #5]
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lsr r10, r8, #8
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add r1, r1, r2
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orr r10, r10, r9, lsl #24
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eor r14, r4, r6
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uhadd8 r4, r4, r6
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eor r6, r5, r7
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uhadd8 r5, r5, r7
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and r14, r14, r12
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and r6, r6, r12
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uadd8 r4, r4, r14
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eor r14, r8, r10
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uadd8 r5, r5, r6
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eor r6, r9, r11
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uhadd8 r8, r8, r10
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and r14, r14, r12
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uhadd8 r9, r9, r11
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and r6, r6, r12
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uadd8 r8, r8, r14
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strd_post r4, r5, r0, r2
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uadd8 r9, r9, r6
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strd_post r8, r9, r0, r2
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bne 1b
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pop {r4-r11, pc}
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endfunc
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function ff_put_pixels8_y2_armv6, export=1
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push {r4-r11}
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mov r12, #1
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orr r12, r12, r12, lsl #8
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orr r12, r12, r12, lsl #16
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ldr r4, [r1]
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ldr r5, [r1, #4]
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ldr_pre r6, r1, r2
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ldr r7, [r1, #4]
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1:
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subs r3, r3, #2
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uhadd8 r8, r4, r6
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eor r10, r4, r6
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uhadd8 r9, r5, r7
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eor r11, r5, r7
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and r10, r10, r12
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ldr_pre r4, r1, r2
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uadd8 r8, r8, r10
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and r11, r11, r12
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uadd8 r9, r9, r11
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ldr r5, [r1, #4]
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uhadd8 r10, r4, r6
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eor r6, r4, r6
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uhadd8 r11, r5, r7
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and r6, r6, r12
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eor r7, r5, r7
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uadd8 r10, r10, r6
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and r7, r7, r12
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ldrc_pre ne, r6, r1, r2
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uadd8 r11, r11, r7
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strd_post r8, r9, r0, r2
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it ne
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ldrne r7, [r1, #4]
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strd_post r10, r11, r0, r2
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bne 1b
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pop {r4-r11}
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bx lr
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endfunc
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function ff_put_pixels8_x2_no_rnd_armv6, export=1
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push {r4-r9, lr}
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1:
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subs r3, r3, #2
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ldr r4, [r1]
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ldr r5, [r1, #4]
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ldr r7, [r1, #5]
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ldr_pre r8, r1, r2
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ldr r9, [r1, #4]
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ldr r14, [r1, #5]
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add r1, r1, r2
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lsr r6, r4, #8
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orr r6, r6, r5, lsl #24
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lsr r12, r8, #8
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orr r12, r12, r9, lsl #24
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uhadd8 r4, r4, r6
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uhadd8 r5, r5, r7
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uhadd8 r8, r8, r12
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uhadd8 r9, r9, r14
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stm r0, {r4,r5}
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add r0, r0, r2
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stm r0, {r8,r9}
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add r0, r0, r2
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bne 1b
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pop {r4-r9, pc}
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endfunc
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function ff_put_pixels8_y2_no_rnd_armv6, export=1
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push {r4-r9, lr}
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ldr r4, [r1]
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ldr r5, [r1, #4]
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ldr_pre r6, r1, r2
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ldr r7, [r1, #4]
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1:
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subs r3, r3, #2
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uhadd8 r8, r4, r6
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ldr_pre r4, r1, r2
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uhadd8 r9, r5, r7
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ldr r5, [r1, #4]
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uhadd8 r12, r4, r6
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ldrc_pre ne, r6, r1, r2
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uhadd8 r14, r5, r7
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it ne
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ldrne r7, [r1, #4]
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stm r0, {r8,r9}
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add r0, r0, r2
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stm r0, {r12,r14}
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add r0, r0, r2
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bne 1b
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pop {r4-r9, pc}
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endfunc
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function ff_avg_pixels8_armv6, export=1
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pld [r1, r2]
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push {r4-r10, lr}
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mov lr, #1
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orr lr, lr, lr, lsl #8
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orr lr, lr, lr, lsl #16
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ldrd r4, r5, [r0]
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ldr r10, [r1, #4]
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ldr_post r9, r1, r2
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subs r3, r3, #2
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1:
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pld [r1, r2]
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eor r8, r4, r9
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uhadd8 r4, r4, r9
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eor r12, r5, r10
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ldrd_reg r6, r7, r0, r2
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uhadd8 r5, r5, r10
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and r8, r8, lr
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ldr r10, [r1, #4]
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and r12, r12, lr
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uadd8 r4, r4, r8
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ldr_post r9, r1, r2
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eor r8, r6, r9
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uadd8 r5, r5, r12
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pld [r1, r2, lsl #1]
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eor r12, r7, r10
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uhadd8 r6, r6, r9
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strd_post r4, r5, r0, r2
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uhadd8 r7, r7, r10
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beq 2f
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and r8, r8, lr
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ldrd_reg r4, r5, r0, r2
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uadd8 r6, r6, r8
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ldr r10, [r1, #4]
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and r12, r12, lr
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subs r3, r3, #2
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uadd8 r7, r7, r12
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ldr_post r9, r1, r2
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strd_post r6, r7, r0, r2
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b 1b
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2:
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and r8, r8, lr
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and r12, r12, lr
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uadd8 r6, r6, r8
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uadd8 r7, r7, r12
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strd_post r6, r7, r0, r2
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pop {r4-r10, pc}
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endfunc
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