260 lines
		
	
	
		
			8.5 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
			
		
		
	
	
			260 lines
		
	
	
		
			8.5 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
| /*
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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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| 
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| #include "libavutil/arm/asm.S"
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| 
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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              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               ff_\type\()_pixels8\subp\()_armv6
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| endfunc
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| .endm
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| 
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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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| 
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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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| 
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|         pop             {r4-r11}
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|         bx              lr
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| endfunc
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| 
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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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| 
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|         pop             {r4-r7}
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|         bx              lr
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| endfunc
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| 
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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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| 
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|         pop             {r4-r11, pc}
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| endfunc
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| 
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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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|         ldr_pre         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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|         ldr             r7,  [r1, #4]
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|         strd_post       r10, r11, r0,  r2
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|         bne             1b
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| 
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|         pop             {r4-r11}
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|         bx              lr
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| endfunc
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| 
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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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| 
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|         pop             {r4-r9, pc}
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| endfunc
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| 
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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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|         ldr_pre         r6,  r1,  r2
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|         uhadd8          r14, r5,  r7
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|         ldr             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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| 
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|         pop             {r4-r9, pc}
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| endfunc
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| 
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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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| 
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|         pop             {r4-r10, pc}
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| endfunc
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