* commit '4958f35a2ebc307049ff2104ffb944f5f457feb3': dsputil: Move apply_window_int16 to ac3dsp Conflicts: libavcodec/arm/ac3dsp_init_arm.c libavcodec/arm/ac3dsp_neon.S libavcodec/x86/ac3dsp_init.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
		
			
				
	
	
		
			187 lines
		
	
	
		
			6.5 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
			
		
		
	
	
			187 lines
		
	
	
		
			6.5 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
/*
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 * ARM NEON optimised DSP functions
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 * Copyright (c) 2008 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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function ff_clear_block_neon, export=1
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        vmov.i16        q0,  #0
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        .rept           8
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        vst1.16         {q0}, [r0,:128]!
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        .endr
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        bx              lr
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endfunc
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function ff_clear_blocks_neon, export=1
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        vmov.i16        q0,  #0
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        .rept           8*6
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        vst1.16         {q0}, [r0,:128]!
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        .endr
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        bx              lr
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endfunc
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function ff_put_pixels_clamped_neon, export=1
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        vld1.16         {d16-d19}, [r0,:128]!
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        vqmovun.s16     d0, q8
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        vld1.16         {d20-d23}, [r0,:128]!
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        vqmovun.s16     d1, q9
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        vld1.16         {d24-d27}, [r0,:128]!
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        vqmovun.s16     d2, q10
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        vld1.16         {d28-d31}, [r0,:128]!
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        vqmovun.s16     d3, q11
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        vst1.8          {d0},      [r1,:64], r2
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        vqmovun.s16     d4, q12
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        vst1.8          {d1},      [r1,:64], r2
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        vqmovun.s16     d5, q13
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        vst1.8          {d2},      [r1,:64], r2
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        vqmovun.s16     d6, q14
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        vst1.8          {d3},      [r1,:64], r2
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        vqmovun.s16     d7, q15
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        vst1.8          {d4},      [r1,:64], r2
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        vst1.8          {d5},      [r1,:64], r2
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        vst1.8          {d6},      [r1,:64], r2
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        vst1.8          {d7},      [r1,:64], r2
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        bx              lr
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endfunc
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function ff_put_signed_pixels_clamped_neon, export=1
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        vmov.u8         d31, #128
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        vld1.16         {d16-d17}, [r0,:128]!
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        vqmovn.s16      d0, q8
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        vld1.16         {d18-d19}, [r0,:128]!
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        vqmovn.s16      d1, q9
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        vld1.16         {d16-d17}, [r0,:128]!
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        vqmovn.s16      d2, q8
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        vld1.16         {d18-d19}, [r0,:128]!
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        vadd.u8         d0, d0, d31
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        vld1.16         {d20-d21}, [r0,:128]!
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        vadd.u8         d1, d1, d31
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        vld1.16         {d22-d23}, [r0,:128]!
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        vadd.u8         d2, d2, d31
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        vst1.8          {d0},      [r1,:64], r2
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        vqmovn.s16      d3, q9
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        vst1.8          {d1},      [r1,:64], r2
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        vqmovn.s16      d4, q10
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        vst1.8          {d2},      [r1,:64], r2
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        vqmovn.s16      d5, q11
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        vld1.16         {d24-d25}, [r0,:128]!
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        vadd.u8         d3, d3, d31
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        vld1.16         {d26-d27}, [r0,:128]!
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        vadd.u8         d4, d4, d31
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        vadd.u8         d5, d5, d31
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        vst1.8          {d3},      [r1,:64], r2
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        vqmovn.s16      d6, q12
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        vst1.8          {d4},      [r1,:64], r2
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        vqmovn.s16      d7, q13
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        vst1.8          {d5},      [r1,:64], r2
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        vadd.u8         d6, d6, d31
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        vadd.u8         d7, d7, d31
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        vst1.8          {d6},      [r1,:64], r2
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        vst1.8          {d7},      [r1,:64], r2
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        bx              lr
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endfunc
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function ff_add_pixels_clamped_neon, export=1
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        mov             r3, r1
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        vld1.8          {d16},   [r1,:64], r2
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        vld1.16         {d0-d1}, [r0,:128]!
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        vaddw.u8        q0, q0, d16
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        vld1.8          {d17},   [r1,:64], r2
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        vld1.16         {d2-d3}, [r0,:128]!
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        vqmovun.s16     d0, q0
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        vld1.8          {d18},   [r1,:64], r2
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        vaddw.u8        q1, q1, d17
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        vld1.16         {d4-d5}, [r0,:128]!
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        vaddw.u8        q2, q2, d18
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        vst1.8          {d0},    [r3,:64], r2
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        vqmovun.s16     d2, q1
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        vld1.8          {d19},   [r1,:64], r2
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        vld1.16         {d6-d7}, [r0,:128]!
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        vaddw.u8        q3, q3, d19
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        vqmovun.s16     d4, q2
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        vst1.8          {d2},    [r3,:64], r2
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        vld1.8          {d16},   [r1,:64], r2
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        vqmovun.s16     d6, q3
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        vld1.16         {d0-d1}, [r0,:128]!
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        vaddw.u8        q0, q0, d16
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        vst1.8          {d4},    [r3,:64], r2
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        vld1.8          {d17},   [r1,:64], r2
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        vld1.16         {d2-d3}, [r0,:128]!
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        vaddw.u8        q1, q1, d17
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        vst1.8          {d6},    [r3,:64], r2
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        vqmovun.s16     d0, q0
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        vld1.8          {d18},   [r1,:64], r2
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        vld1.16         {d4-d5}, [r0,:128]!
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        vaddw.u8        q2, q2, d18
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        vst1.8          {d0},    [r3,:64], r2
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        vqmovun.s16     d2, q1
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        vld1.8          {d19},   [r1,:64], r2
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        vqmovun.s16     d4, q2
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        vld1.16         {d6-d7}, [r0,:128]!
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        vaddw.u8        q3, q3, d19
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        vst1.8          {d2},    [r3,:64], r2
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        vqmovun.s16     d6, q3
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        vst1.8          {d4},    [r3,:64], r2
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        vst1.8          {d6},    [r3,:64], r2
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        bx              lr
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endfunc
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function ff_vector_clipf_neon, export=1
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VFP     vdup.32         q1,  d0[1]
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VFP     vdup.32         q0,  d0[0]
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NOVFP   vdup.32         q0,  r2
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NOVFP   vdup.32         q1,  r3
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NOVFP   ldr             r2,  [sp]
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        vld1.f32        {q2},[r1,:128]!
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        vmin.f32        q10, q2,  q1
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        vld1.f32        {q3},[r1,:128]!
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        vmin.f32        q11, q3,  q1
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1:      vmax.f32        q8,  q10, q0
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        vmax.f32        q9,  q11, q0
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        subs            r2,  r2,  #8
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        beq             2f
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        vld1.f32        {q2},[r1,:128]!
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        vmin.f32        q10, q2,  q1
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        vld1.f32        {q3},[r1,:128]!
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        vmin.f32        q11, q3,  q1
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        vst1.f32        {q8},[r0,:128]!
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        vst1.f32        {q9},[r0,:128]!
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        b               1b
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2:      vst1.f32        {q8},[r0,:128]!
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        vst1.f32        {q9},[r0,:128]!
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        bx              lr
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endfunc
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function ff_vector_clip_int32_neon, export=1
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        vdup.32         q0,  r2
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        vdup.32         q1,  r3
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        ldr             r2,  [sp]
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1:
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        vld1.32         {q2-q3},  [r1,:128]!
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        vmin.s32        q2,  q2,  q1
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        vmin.s32        q3,  q3,  q1
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        vmax.s32        q2,  q2,  q0
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        vmax.s32        q3,  q3,  q0
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        vst1.32         {q2-q3},  [r0,:128]!
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        subs            r2,  r2,  #8
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        bgt             1b
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        bx              lr
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endfunc
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