363 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
			
		
		
	
	
			363 lines
		
	
	
		
			12 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 "asm.S"
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| 
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|         .macro ldcol.8  rd,  rs,  rt,  n=8,  hi=0
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| .if \n == 8 || \hi == 0
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|         vld1.8          {\rd[0]}, [\rs], \rt
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|         vld1.8          {\rd[1]}, [\rs], \rt
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|         vld1.8          {\rd[2]}, [\rs], \rt
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|         vld1.8          {\rd[3]}, [\rs], \rt
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| .endif
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| .if \n == 8 || \hi == 1
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|         vld1.8          {\rd[4]}, [\rs], \rt
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|         vld1.8          {\rd[5]}, [\rs], \rt
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|         vld1.8          {\rd[6]}, [\rs], \rt
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|         vld1.8          {\rd[7]}, [\rs], \rt
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| .endif
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|         .endm
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| 
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|         .macro add16x8  dq,  dl,  dh,  rl,  rh
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|         vaddl.u8        \dq, \rl, \rh
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|         vadd.u16        \dl, \dl, \dh
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|         vpadd.u16       \dl, \dl, \dl
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|         vpadd.u16       \dl, \dl, \dl
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|         .endm
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| 
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| function ff_pred16x16_128_dc_neon, export=1
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|         vmov.i8         q0,  #128
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|         b               .L_pred16x16_dc_end
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|         .endfunc
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| 
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| function ff_pred16x16_top_dc_neon, export=1
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|         sub             r2,  r0,  r1
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|         vld1.8          {q0},     [r2,:128]
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|         add16x8         q0,  d0,  d1,  d0,  d1
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|         vrshrn.u16      d0,  q0,  #4
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|         vdup.8          q0,  d0[0]
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|         b               .L_pred16x16_dc_end
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|         .endfunc
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| 
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| function ff_pred16x16_left_dc_neon, export=1
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|         sub             r2,  r0,  #1
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|         ldcol.8         d0,  r2,  r1
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|         ldcol.8         d1,  r2,  r1
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|         add16x8         q0,  d0,  d1,  d0,  d1
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|         vrshrn.u16      d0,  q0,  #4
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|         vdup.8          q0,  d0[0]
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|         b               .L_pred16x16_dc_end
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|         .endfunc
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| 
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| function ff_pred16x16_dc_neon, export=1
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|         sub             r2,  r0,  r1
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|         vld1.8          {q0},     [r2,:128]
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|         sub             r2,  r0,  #1
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|         ldcol.8         d2,  r2,  r1
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|         ldcol.8         d3,  r2,  r1
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|         vaddl.u8        q0,  d0,  d1
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|         vaddl.u8        q1,  d2,  d3
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|         vadd.u16        q0,  q0,  q1
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|         vadd.u16        d0,  d0,  d1
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|         vpadd.u16       d0,  d0,  d0
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|         vpadd.u16       d0,  d0,  d0
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|         vrshrn.u16      d0,  q0,  #5
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|         vdup.8          q0,  d0[0]
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| .L_pred16x16_dc_end:
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|         mov             r3,  #8
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| 6:      vst1.8          {q0},     [r0,:128], r1
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|         vst1.8          {q0},     [r0,:128], r1
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|         subs            r3,  r3,  #1
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|         bne             6b
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|         bx              lr
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|         .endfunc
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| 
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| function ff_pred16x16_hor_neon, export=1
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|         sub             r2,  r0,  #1
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|         mov             r3,  #16
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| 1:      vld1.8          {d0[],d1[]},[r2],      r1
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|         vst1.8          {q0},       [r0,:128], r1
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|         subs            r3,  r3,  #1
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|         bne             1b
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|         bx              lr
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|         .endfunc
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| 
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| function ff_pred16x16_vert_neon, export=1
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|         sub             r0,  r0,  r1
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|         vld1.8          {q0},     [r0,:128], r1
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|         mov             r3,  #8
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| 1:      vst1.8          {q0},     [r0,:128], r1
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|         vst1.8          {q0},     [r0,:128], r1
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|         subs            r3,  r3,  #1
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|         bne             1b
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|         bx              lr
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|         .endfunc
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| 
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| function ff_pred16x16_plane_neon, export=1
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|         sub             r3,  r0,  r1
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|         add             r2,  r3,  #8
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|         sub             r3,  r3,  #1
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|         vld1.8          {d0},     [r3]
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|         vld1.8          {d2},     [r2,:64], r1
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|         ldcol.8         d1,  r3,  r1
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|         add             r3,  r3,  r1
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|         ldcol.8         d3,  r3,  r1
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|         vrev64.8        q0,  q0
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|         vaddl.u8        q8,  d2,  d3
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|         vsubl.u8        q2,  d2,  d0
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|         vsubl.u8        q3,  d3,  d1
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|         movrel          r3,  p16weight
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|         vld1.8          {q0},     [r3,:128]
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|         vmul.s16        q2,  q2,  q0
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|         vmul.s16        q3,  q3,  q0
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|         vadd.i16        d4,  d4,  d5
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|         vadd.i16        d5,  d6,  d7
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|         vpadd.i16       d4,  d4,  d5
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|         vpadd.i16       d4,  d4,  d4
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|         vshl.i16        d5,  d4,  #2
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|         vaddl.s16       q2,  d4,  d5
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|         vrshrn.s32      d4,  q2,  #6
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|         mov             r3,  #0
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|         vtrn.16         d4,  d5
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|         vadd.i16        d2,  d4,  d5
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|         vshl.i16        d3,  d2,  #3
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|         vrev64.16       d16, d17
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|         vsub.i16        d3,  d3,  d2
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|         vadd.i16        d16, d16, d0
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|         vshl.i16        d2,  d16, #4
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|         vsub.i16        d2,  d2,  d3
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|         vshl.i16        d3,  d4,  #4
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|         vext.16         q0,  q0,  q0,  #7
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|         vsub.i16        d6,  d5,  d3
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|         vmov.16         d0[0], r3
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|         vmul.i16        q0,  q0,  d4[0]
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|         vdup.16         q1,  d2[0]
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|         vdup.16         q2,  d4[0]
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|         vdup.16         q3,  d6[0]
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|         vshl.i16        q2,  q2,  #3
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|         vadd.i16        q1,  q1,  q0
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|         vadd.i16        q3,  q3,  q2
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|         mov             r3,  #16
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| 1:
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|         vqshrun.s16     d0,  q1,  #5
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|         vadd.i16        q1,  q1,  q2
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|         vqshrun.s16     d1,  q1,  #5
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|         vadd.i16        q1,  q1,  q3
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|         vst1.8          {q0},     [r0,:128], r1
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|         subs            r3,  r3,  #1
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|         bne             1b
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|         bx              lr
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|         .endfunc
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| 
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|         .section        .rodata
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|         .align          4
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| p16weight:
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|         .short          1,2,3,4,5,6,7,8
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| 
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|         .text
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| 
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| function ff_pred8x8_hor_neon, export=1
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|         sub             r2,  r0,  #1
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|         mov             r3,  #8
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| 1:      vld1.8          {d0[]},   [r2],     r1
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|         vst1.8          {d0},     [r0,:64], r1
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|         subs            r3,  r3,  #1
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|         bne             1b
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|         bx              lr
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|         .endfunc
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| 
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| function ff_pred8x8_vert_neon, export=1
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|         sub             r0,  r0,  r1
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|         vld1.8          {d0},     [r0,:64], r1
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|         mov             r3,  #4
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| 1:      vst1.8          {d0},     [r0,:64], r1
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|         vst1.8          {d0},     [r0,:64], r1
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|         subs            r3,  r3,  #1
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|         bne             1b
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|         bx              lr
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|         .endfunc
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| 
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| function ff_pred8x8_plane_neon, export=1
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|         sub             r3,  r0,  r1
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|         add             r2,  r3,  #4
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|         sub             r3,  r3,  #1
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|         vld1.32         {d0[0]},  [r3]
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|         vld1.32         {d2[0]},  [r2,:32], r1
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|         ldcol.8         d0,  r3,  r1,  4,  hi=1
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|         add             r3,  r3,  r1
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|         ldcol.8         d3,  r3,  r1,  4
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|         vaddl.u8        q8,  d2,  d3
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|         vrev32.8        d0,  d0
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|         vtrn.32         d2,  d3
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|         vsubl.u8        q2,  d2,  d0
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|         movrel          r3,  p16weight
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|         vld1.16         {q0},     [r3,:128]
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|         vmul.s16        d4,  d4,  d0
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|         vmul.s16        d5,  d5,  d0
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|         vpadd.i16       d4,  d4,  d5
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|         vpaddl.s16      d4,  d4
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|         vshl.i32        d5,  d4,  #4
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|         vadd.s32        d4,  d4,  d5
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|         vrshrn.s32      d4,  q2,  #5
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|         mov             r3,  #0
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|         vtrn.16         d4,  d5
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|         vadd.i16        d2,  d4,  d5
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|         vshl.i16        d3,  d2,  #2
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|         vrev64.16       d16, d16
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|         vsub.i16        d3,  d3,  d2
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|         vadd.i16        d16, d16, d0
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|         vshl.i16        d2,  d16, #4
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|         vsub.i16        d2,  d2,  d3
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|         vshl.i16        d3,  d4,  #3
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|         vext.16         q0,  q0,  q0,  #7
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|         vsub.i16        d6,  d5,  d3
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|         vmov.16         d0[0], r3
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|         vmul.i16        q0,  q0,  d4[0]
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|         vdup.16         q1,  d2[0]
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|         vdup.16         q2,  d4[0]
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|         vdup.16         q3,  d6[0]
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|         vshl.i16        q2,  q2,  #3
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|         vadd.i16        q1,  q1,  q0
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|         vadd.i16        q3,  q3,  q2
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|         mov             r3,  #8
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| 1:
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|         vqshrun.s16     d0,  q1,  #5
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|         vadd.i16        q1,  q1,  q3
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|         vst1.8          {d0},     [r0,:64], r1
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|         subs            r3,  r3,  #1
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|         bne             1b
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|         bx              lr
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|         .endfunc
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| 
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| function ff_pred8x8_128_dc_neon, export=1
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|         vmov.i8         q0,  #128
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|         b               .L_pred8x8_dc_end
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|         .endfunc
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| 
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| function ff_pred8x8_top_dc_neon, export=1
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|         sub             r2,  r0,  r1
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|         vld1.8          {d0},     [r2,:64]
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|         vpaddl.u8       d0,  d0
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|         vpadd.u16       d0,  d0,  d0
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|         vrshrn.u16      d0,  q0,  #2
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|         vdup.8          d1,  d0[1]
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|         vdup.8          d0,  d0[0]
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|         vtrn.32         d0,  d1
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|         b               .L_pred8x8_dc_end
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|         .endfunc
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| 
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| function ff_pred8x8_left_dc_neon, export=1
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|         sub             r2,  r0,  #1
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|         ldcol.8         d0,  r2,  r1
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|         vpaddl.u8       d0,  d0
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|         vpadd.u16       d0,  d0,  d0
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|         vrshrn.u16      d0,  q0,  #2
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|         vdup.8          d1,  d0[1]
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|         vdup.8          d0,  d0[0]
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|         b               .L_pred8x8_dc_end
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|         .endfunc
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| 
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| function ff_pred8x8_dc_neon, export=1
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|         sub             r2,  r0,  r1
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|         vld1.8          {d0},     [r2,:64]
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|         sub             r2,  r0,  #1
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|         ldcol.8         d1,  r2,  r1
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|         vtrn.32         d0,  d1
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|         vpaddl.u8       q0,  q0
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|         vpadd.u16       d0,  d0,  d1
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|         vpadd.u16       d1,  d0,  d0
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|         vrshrn.u16      d2,  q0,  #3
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|         vrshrn.u16      d3,  q0,  #2
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|         vdup.8          d0,  d2[4]
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|         vdup.8          d1,  d3[3]
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|         vdup.8          d4,  d3[2]
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|         vdup.8          d5,  d2[5]
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|         vtrn.32         q0,  q2
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| .L_pred8x8_dc_end:
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|         mov             r3,  #4
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|         add             r2,  r0,  r1,  lsl #2
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| 6:      vst1.8          {d0},     [r0,:64], r1
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|         vst1.8          {d1},     [r2,:64], r1
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|         subs            r3,  r3,  #1
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|         bne             6b
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|         bx              lr
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|         .endfunc
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| 
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| function ff_pred8x8_l0t_dc_neon, export=1
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|         sub             r2,  r0,  r1
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|         vld1.8          {d0},     [r2,:64]
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|         sub             r2,  r0,  #1
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|         ldcol.8         d1,  r2,  r1,  4
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|         vtrn.32         d0,  d1
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|         vpaddl.u8       q0,  q0
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|         vpadd.u16       d0,  d0,  d1
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|         vpadd.u16       d1,  d0,  d0
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|         vrshrn.u16      d2,  q0,  #3
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|         vrshrn.u16      d3,  q0,  #2
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|         vdup.8          d0,  d2[4]
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|         vdup.8          d1,  d3[0]
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|         vdup.8          q2,  d3[2]
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|         vtrn.32         q0,  q2
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|         b               .L_pred8x8_dc_end
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|         .endfunc
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| 
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| function ff_pred8x8_l00_dc_neon, export=1
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|         sub             r2,  r0,  #1
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|         ldcol.8         d0,  r2,  r1,  4
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|         vpaddl.u8       d0,  d0
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|         vpadd.u16       d0,  d0,  d0
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|         vrshrn.u16      d0,  q0,  #2
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|         vmov.i8         d1,  #128
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|         vdup.8          d0,  d0[0]
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|         b               .L_pred8x8_dc_end
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|         .endfunc
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| 
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| function ff_pred8x8_0lt_dc_neon, export=1
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|         sub             r2,  r0,  r1
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|         vld1.8          {d0},     [r2,:64]
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|         add             r2,  r0,  r1,  lsl #2
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|         sub             r2,  r2,  #1
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|         ldcol.8         d1,  r2,  r1,  4,  hi=1
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|         vtrn.32         d0,  d1
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|         vpaddl.u8       q0,  q0
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|         vpadd.u16       d0,  d0,  d1
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|         vpadd.u16       d1,  d0,  d0
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|         vrshrn.u16      d3,  q0,  #2
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|         vrshrn.u16      d2,  q0,  #3
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|         vdup.8          d0,  d3[0]
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|         vdup.8          d1,  d3[3]
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|         vdup.8          d4,  d3[2]
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|         vdup.8          d5,  d2[5]
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|         vtrn.32         q0,  q2
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|         b               .L_pred8x8_dc_end
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|         .endfunc
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| 
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| function ff_pred8x8_0l0_dc_neon, export=1
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|         add             r2,  r0,  r1,  lsl #2
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|         sub             r2,  r2,  #1
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|         ldcol.8         d1,  r2,  r1,  4
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|         vpaddl.u8       d2,  d1
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|         vpadd.u16       d2,  d2,  d2
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|         vrshrn.u16      d1,  q1,  #2
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|         vmov.i8         d0,  #128
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|         vdup.8          d1,  d1[0]
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|         b               .L_pred8x8_dc_end
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|         .endfunc
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