631 lines
20 KiB
NASM
631 lines
20 KiB
NASM
;
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; Copyright (c) 2014 The WebM project authors. All Rights Reserved.
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;
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; Use of this source code is governed by a BSD-style license
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; that can be found in the LICENSE file in the root of the source
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; tree. An additional intellectual property rights grant can be found
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; in the file PATENTS. All contributing project authors may
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; be found in the AUTHORS file in the root of the source tree.
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;
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EXPORT |vpx_v_predictor_4x4_neon|
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EXPORT |vpx_v_predictor_8x8_neon|
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EXPORT |vpx_v_predictor_16x16_neon|
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EXPORT |vpx_v_predictor_32x32_neon|
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EXPORT |vpx_h_predictor_4x4_neon|
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EXPORT |vpx_h_predictor_8x8_neon|
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EXPORT |vpx_h_predictor_16x16_neon|
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EXPORT |vpx_h_predictor_32x32_neon|
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EXPORT |vpx_tm_predictor_4x4_neon|
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EXPORT |vpx_tm_predictor_8x8_neon|
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EXPORT |vpx_tm_predictor_16x16_neon|
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EXPORT |vpx_tm_predictor_32x32_neon|
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ARM
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REQUIRE8
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PRESERVE8
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AREA ||.text||, CODE, READONLY, ALIGN=2
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;void vpx_v_predictor_4x4_neon(uint8_t *dst, ptrdiff_t y_stride,
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; const uint8_t *above,
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; const uint8_t *left)
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; r0 uint8_t *dst
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; r1 ptrdiff_t y_stride
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; r2 const uint8_t *above
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; r3 const uint8_t *left
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|vpx_v_predictor_4x4_neon| PROC
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vld1.32 {d0[0]}, [r2]
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vst1.32 {d0[0]}, [r0], r1
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vst1.32 {d0[0]}, [r0], r1
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vst1.32 {d0[0]}, [r0], r1
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vst1.32 {d0[0]}, [r0], r1
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bx lr
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ENDP ; |vpx_v_predictor_4x4_neon|
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;void vpx_v_predictor_8x8_neon(uint8_t *dst, ptrdiff_t y_stride,
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; const uint8_t *above,
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; const uint8_t *left)
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; r0 uint8_t *dst
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; r1 ptrdiff_t y_stride
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; r2 const uint8_t *above
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; r3 const uint8_t *left
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|vpx_v_predictor_8x8_neon| PROC
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vld1.8 {d0}, [r2]
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vst1.8 {d0}, [r0], r1
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vst1.8 {d0}, [r0], r1
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vst1.8 {d0}, [r0], r1
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vst1.8 {d0}, [r0], r1
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vst1.8 {d0}, [r0], r1
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vst1.8 {d0}, [r0], r1
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vst1.8 {d0}, [r0], r1
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vst1.8 {d0}, [r0], r1
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bx lr
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ENDP ; |vpx_v_predictor_8x8_neon|
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;void vpx_v_predictor_16x16_neon(uint8_t *dst, ptrdiff_t y_stride,
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; const uint8_t *above,
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; const uint8_t *left)
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; r0 uint8_t *dst
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; r1 ptrdiff_t y_stride
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; r2 const uint8_t *above
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; r3 const uint8_t *left
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|vpx_v_predictor_16x16_neon| PROC
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vld1.8 {q0}, [r2]
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vst1.8 {q0}, [r0], r1
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vst1.8 {q0}, [r0], r1
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vst1.8 {q0}, [r0], r1
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vst1.8 {q0}, [r0], r1
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vst1.8 {q0}, [r0], r1
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vst1.8 {q0}, [r0], r1
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vst1.8 {q0}, [r0], r1
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vst1.8 {q0}, [r0], r1
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vst1.8 {q0}, [r0], r1
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vst1.8 {q0}, [r0], r1
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vst1.8 {q0}, [r0], r1
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vst1.8 {q0}, [r0], r1
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vst1.8 {q0}, [r0], r1
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vst1.8 {q0}, [r0], r1
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vst1.8 {q0}, [r0], r1
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vst1.8 {q0}, [r0], r1
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bx lr
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ENDP ; |vpx_v_predictor_16x16_neon|
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;void vpx_v_predictor_32x32_neon(uint8_t *dst, ptrdiff_t y_stride,
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; const uint8_t *above,
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; const uint8_t *left)
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; r0 uint8_t *dst
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; r1 ptrdiff_t y_stride
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; r2 const uint8_t *above
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; r3 const uint8_t *left
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|vpx_v_predictor_32x32_neon| PROC
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vld1.8 {q0, q1}, [r2]
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mov r2, #2
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loop_v
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vst1.8 {q0, q1}, [r0], r1
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vst1.8 {q0, q1}, [r0], r1
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vst1.8 {q0, q1}, [r0], r1
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vst1.8 {q0, q1}, [r0], r1
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vst1.8 {q0, q1}, [r0], r1
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vst1.8 {q0, q1}, [r0], r1
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vst1.8 {q0, q1}, [r0], r1
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vst1.8 {q0, q1}, [r0], r1
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vst1.8 {q0, q1}, [r0], r1
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vst1.8 {q0, q1}, [r0], r1
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vst1.8 {q0, q1}, [r0], r1
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vst1.8 {q0, q1}, [r0], r1
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vst1.8 {q0, q1}, [r0], r1
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vst1.8 {q0, q1}, [r0], r1
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vst1.8 {q0, q1}, [r0], r1
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vst1.8 {q0, q1}, [r0], r1
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subs r2, r2, #1
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bgt loop_v
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bx lr
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ENDP ; |vpx_v_predictor_32x32_neon|
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;void vpx_h_predictor_4x4_neon(uint8_t *dst, ptrdiff_t y_stride,
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; const uint8_t *above,
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; const uint8_t *left)
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; r0 uint8_t *dst
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; r1 ptrdiff_t y_stride
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; r2 const uint8_t *above
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; r3 const uint8_t *left
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|vpx_h_predictor_4x4_neon| PROC
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vld1.32 {d1[0]}, [r3]
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vdup.8 d0, d1[0]
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vst1.32 {d0[0]}, [r0], r1
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vdup.8 d0, d1[1]
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vst1.32 {d0[0]}, [r0], r1
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vdup.8 d0, d1[2]
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vst1.32 {d0[0]}, [r0], r1
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vdup.8 d0, d1[3]
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vst1.32 {d0[0]}, [r0], r1
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bx lr
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ENDP ; |vpx_h_predictor_4x4_neon|
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;void vpx_h_predictor_8x8_neon(uint8_t *dst, ptrdiff_t y_stride,
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; const uint8_t *above,
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; const uint8_t *left)
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; r0 uint8_t *dst
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; r1 ptrdiff_t y_stride
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; r2 const uint8_t *above
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; r3 const uint8_t *left
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|vpx_h_predictor_8x8_neon| PROC
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vld1.64 {d1}, [r3]
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vdup.8 d0, d1[0]
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vst1.64 {d0}, [r0], r1
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vdup.8 d0, d1[1]
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vst1.64 {d0}, [r0], r1
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vdup.8 d0, d1[2]
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vst1.64 {d0}, [r0], r1
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vdup.8 d0, d1[3]
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vst1.64 {d0}, [r0], r1
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vdup.8 d0, d1[4]
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vst1.64 {d0}, [r0], r1
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vdup.8 d0, d1[5]
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vst1.64 {d0}, [r0], r1
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vdup.8 d0, d1[6]
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vst1.64 {d0}, [r0], r1
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vdup.8 d0, d1[7]
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vst1.64 {d0}, [r0], r1
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bx lr
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ENDP ; |vpx_h_predictor_8x8_neon|
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;void vpx_h_predictor_16x16_neon(uint8_t *dst, ptrdiff_t y_stride,
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; const uint8_t *above,
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; const uint8_t *left)
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; r0 uint8_t *dst
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; r1 ptrdiff_t y_stride
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; r2 const uint8_t *above
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; r3 const uint8_t *left
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|vpx_h_predictor_16x16_neon| PROC
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vld1.8 {q1}, [r3]
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vdup.8 q0, d2[0]
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vst1.8 {q0}, [r0], r1
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vdup.8 q0, d2[1]
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vst1.8 {q0}, [r0], r1
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vdup.8 q0, d2[2]
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vst1.8 {q0}, [r0], r1
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vdup.8 q0, d2[3]
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vst1.8 {q0}, [r0], r1
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vdup.8 q0, d2[4]
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vst1.8 {q0}, [r0], r1
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vdup.8 q0, d2[5]
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vst1.8 {q0}, [r0], r1
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vdup.8 q0, d2[6]
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vst1.8 {q0}, [r0], r1
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vdup.8 q0, d2[7]
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vst1.8 {q0}, [r0], r1
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vdup.8 q0, d3[0]
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vst1.8 {q0}, [r0], r1
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vdup.8 q0, d3[1]
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vst1.8 {q0}, [r0], r1
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vdup.8 q0, d3[2]
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vst1.8 {q0}, [r0], r1
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vdup.8 q0, d3[3]
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vst1.8 {q0}, [r0], r1
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vdup.8 q0, d3[4]
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vst1.8 {q0}, [r0], r1
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vdup.8 q0, d3[5]
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vst1.8 {q0}, [r0], r1
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vdup.8 q0, d3[6]
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vst1.8 {q0}, [r0], r1
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vdup.8 q0, d3[7]
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vst1.8 {q0}, [r0], r1
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bx lr
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ENDP ; |vpx_h_predictor_16x16_neon|
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;void vpx_h_predictor_32x32_neon(uint8_t *dst, ptrdiff_t y_stride,
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; const uint8_t *above,
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; const uint8_t *left)
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; r0 uint8_t *dst
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; r1 ptrdiff_t y_stride
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; r2 const uint8_t *above
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; r3 const uint8_t *left
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|vpx_h_predictor_32x32_neon| PROC
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sub r1, r1, #16
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mov r2, #2
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loop_h
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vld1.8 {q1}, [r3]!
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vdup.8 q0, d2[0]
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vst1.8 {q0}, [r0]!
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vst1.8 {q0}, [r0], r1
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vdup.8 q0, d2[1]
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vst1.8 {q0}, [r0]!
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vst1.8 {q0}, [r0], r1
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vdup.8 q0, d2[2]
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vst1.8 {q0}, [r0]!
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vst1.8 {q0}, [r0], r1
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vdup.8 q0, d2[3]
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vst1.8 {q0}, [r0]!
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vst1.8 {q0}, [r0], r1
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vdup.8 q0, d2[4]
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vst1.8 {q0}, [r0]!
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vst1.8 {q0}, [r0], r1
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vdup.8 q0, d2[5]
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vst1.8 {q0}, [r0]!
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vst1.8 {q0}, [r0], r1
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vdup.8 q0, d2[6]
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vst1.8 {q0}, [r0]!
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vst1.8 {q0}, [r0], r1
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vdup.8 q0, d2[7]
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vst1.8 {q0}, [r0]!
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vst1.8 {q0}, [r0], r1
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vdup.8 q0, d3[0]
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vst1.8 {q0}, [r0]!
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vst1.8 {q0}, [r0], r1
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vdup.8 q0, d3[1]
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vst1.8 {q0}, [r0]!
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vst1.8 {q0}, [r0], r1
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vdup.8 q0, d3[2]
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vst1.8 {q0}, [r0]!
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vst1.8 {q0}, [r0], r1
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vdup.8 q0, d3[3]
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vst1.8 {q0}, [r0]!
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vst1.8 {q0}, [r0], r1
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vdup.8 q0, d3[4]
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vst1.8 {q0}, [r0]!
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vst1.8 {q0}, [r0], r1
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vdup.8 q0, d3[5]
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vst1.8 {q0}, [r0]!
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vst1.8 {q0}, [r0], r1
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vdup.8 q0, d3[6]
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vst1.8 {q0}, [r0]!
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vst1.8 {q0}, [r0], r1
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vdup.8 q0, d3[7]
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vst1.8 {q0}, [r0]!
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vst1.8 {q0}, [r0], r1
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subs r2, r2, #1
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bgt loop_h
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bx lr
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ENDP ; |vpx_h_predictor_32x32_neon|
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;void vpx_tm_predictor_4x4_neon (uint8_t *dst, ptrdiff_t y_stride,
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; const uint8_t *above,
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; const uint8_t *left)
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; r0 uint8_t *dst
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; r1 ptrdiff_t y_stride
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; r2 const uint8_t *above
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; r3 const uint8_t *left
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|vpx_tm_predictor_4x4_neon| PROC
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; Load ytop_left = above[-1];
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sub r12, r2, #1
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vld1.u8 {d0[]}, [r12]
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; Load above 4 pixels
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vld1.32 {d2[0]}, [r2]
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; Compute above - ytop_left
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vsubl.u8 q3, d2, d0
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; Load left row by row and compute left + (above - ytop_left)
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; 1st row and 2nd row
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vld1.u8 {d2[]}, [r3]!
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vld1.u8 {d4[]}, [r3]!
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vmovl.u8 q1, d2
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vmovl.u8 q2, d4
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vadd.s16 q1, q1, q3
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vadd.s16 q2, q2, q3
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vqmovun.s16 d0, q1
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vqmovun.s16 d1, q2
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vst1.32 {d0[0]}, [r0], r1
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vst1.32 {d1[0]}, [r0], r1
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; 3rd row and 4th row
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vld1.u8 {d2[]}, [r3]!
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vld1.u8 {d4[]}, [r3]
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vmovl.u8 q1, d2
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vmovl.u8 q2, d4
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vadd.s16 q1, q1, q3
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vadd.s16 q2, q2, q3
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vqmovun.s16 d0, q1
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vqmovun.s16 d1, q2
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vst1.32 {d0[0]}, [r0], r1
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vst1.32 {d1[0]}, [r0], r1
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bx lr
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ENDP ; |vpx_tm_predictor_4x4_neon|
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;void vpx_tm_predictor_8x8_neon (uint8_t *dst, ptrdiff_t y_stride,
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; const uint8_t *above,
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; const uint8_t *left)
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; r0 uint8_t *dst
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; r1 ptrdiff_t y_stride
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; r2 const uint8_t *above
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; r3 const uint8_t *left
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|vpx_tm_predictor_8x8_neon| PROC
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; Load ytop_left = above[-1];
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sub r12, r2, #1
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vld1.8 {d0[]}, [r12]
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; preload 8 left
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vld1.8 {d30}, [r3]
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; Load above 8 pixels
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vld1.64 {d2}, [r2]
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vmovl.u8 q10, d30
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; Compute above - ytop_left
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vsubl.u8 q3, d2, d0
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; Load left row by row and compute left + (above - ytop_left)
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; 1st row and 2nd row
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vdup.16 q0, d20[0]
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vdup.16 q1, d20[1]
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vadd.s16 q0, q3, q0
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vadd.s16 q1, q3, q1
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; 3rd row and 4th row
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vdup.16 q8, d20[2]
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vdup.16 q9, d20[3]
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vadd.s16 q8, q3, q8
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vadd.s16 q9, q3, q9
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vqmovun.s16 d0, q0
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vqmovun.s16 d1, q1
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vqmovun.s16 d2, q8
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vqmovun.s16 d3, q9
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vst1.64 {d0}, [r0], r1
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vst1.64 {d1}, [r0], r1
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vst1.64 {d2}, [r0], r1
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vst1.64 {d3}, [r0], r1
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; 5th row and 6th row
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vdup.16 q0, d21[0]
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vdup.16 q1, d21[1]
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vadd.s16 q0, q3, q0
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vadd.s16 q1, q3, q1
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; 7th row and 8th row
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vdup.16 q8, d21[2]
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vdup.16 q9, d21[3]
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vadd.s16 q8, q3, q8
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vadd.s16 q9, q3, q9
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vqmovun.s16 d0, q0
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vqmovun.s16 d1, q1
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vqmovun.s16 d2, q8
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vqmovun.s16 d3, q9
|
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vst1.64 {d0}, [r0], r1
|
|
vst1.64 {d1}, [r0], r1
|
|
vst1.64 {d2}, [r0], r1
|
|
vst1.64 {d3}, [r0], r1
|
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|
|
bx lr
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|
ENDP ; |vpx_tm_predictor_8x8_neon|
|
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|
|
;void vpx_tm_predictor_16x16_neon (uint8_t *dst, ptrdiff_t y_stride,
|
|
; const uint8_t *above,
|
|
; const uint8_t *left)
|
|
; r0 uint8_t *dst
|
|
; r1 ptrdiff_t y_stride
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; r2 const uint8_t *above
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; r3 const uint8_t *left
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|vpx_tm_predictor_16x16_neon| PROC
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; Load ytop_left = above[-1];
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sub r12, r2, #1
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vld1.8 {d0[]}, [r12]
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; Load above 8 pixels
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vld1.8 {q1}, [r2]
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; preload 8 left into r12
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vld1.8 {d18}, [r3]!
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; Compute above - ytop_left
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vsubl.u8 q2, d2, d0
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vsubl.u8 q3, d3, d0
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vmovl.u8 q10, d18
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; Load left row by row and compute left + (above - ytop_left)
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; Process 8 rows in each single loop and loop 2 times to process 16 rows.
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mov r2, #2
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loop_16x16_neon
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; Process two rows.
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vdup.16 q0, d20[0]
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vdup.16 q8, d20[1]
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vadd.s16 q1, q0, q2
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vadd.s16 q0, q0, q3
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vadd.s16 q11, q8, q2
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vadd.s16 q8, q8, q3
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vqmovun.s16 d2, q1
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vqmovun.s16 d3, q0
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vqmovun.s16 d22, q11
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vqmovun.s16 d23, q8
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vdup.16 q0, d20[2] ; proload next 2 rows data
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vdup.16 q8, d20[3]
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vst1.64 {d2,d3}, [r0], r1
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vst1.64 {d22,d23}, [r0], r1
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; Process two rows.
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vadd.s16 q1, q0, q2
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vadd.s16 q0, q0, q3
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vadd.s16 q11, q8, q2
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vadd.s16 q8, q8, q3
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vqmovun.s16 d2, q1
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vqmovun.s16 d3, q0
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vqmovun.s16 d22, q11
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vqmovun.s16 d23, q8
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vdup.16 q0, d21[0] ; proload next 2 rows data
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vdup.16 q8, d21[1]
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vst1.64 {d2,d3}, [r0], r1
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vst1.64 {d22,d23}, [r0], r1
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vadd.s16 q1, q0, q2
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vadd.s16 q0, q0, q3
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vadd.s16 q11, q8, q2
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vadd.s16 q8, q8, q3
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vqmovun.s16 d2, q1
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vqmovun.s16 d3, q0
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vqmovun.s16 d22, q11
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vqmovun.s16 d23, q8
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vdup.16 q0, d21[2] ; proload next 2 rows data
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vdup.16 q8, d21[3]
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vst1.64 {d2,d3}, [r0], r1
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vst1.64 {d22,d23}, [r0], r1
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vadd.s16 q1, q0, q2
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vadd.s16 q0, q0, q3
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vadd.s16 q11, q8, q2
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vadd.s16 q8, q8, q3
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vqmovun.s16 d2, q1
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vqmovun.s16 d3, q0
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vqmovun.s16 d22, q11
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vqmovun.s16 d23, q8
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vld1.8 {d18}, [r3]! ; preload 8 left into r12
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vmovl.u8 q10, d18
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vst1.64 {d2,d3}, [r0], r1
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vst1.64 {d22,d23}, [r0], r1
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subs r2, r2, #1
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bgt loop_16x16_neon
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bx lr
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ENDP ; |vpx_tm_predictor_16x16_neon|
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;void vpx_tm_predictor_32x32_neon (uint8_t *dst, ptrdiff_t y_stride,
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; const uint8_t *above,
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; const uint8_t *left)
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; r0 uint8_t *dst
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; r1 ptrdiff_t y_stride
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; r2 const uint8_t *above
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; r3 const uint8_t *left
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|vpx_tm_predictor_32x32_neon| PROC
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; Load ytop_left = above[-1];
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sub r12, r2, #1
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vld1.8 {d0[]}, [r12]
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; Load above 32 pixels
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vld1.8 {q1}, [r2]!
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vld1.8 {q2}, [r2]
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; preload 8 left pixels
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vld1.8 {d26}, [r3]!
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; Compute above - ytop_left
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vsubl.u8 q8, d2, d0
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vsubl.u8 q9, d3, d0
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vsubl.u8 q10, d4, d0
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vsubl.u8 q11, d5, d0
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vmovl.u8 q3, d26
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; Load left row by row and compute left + (above - ytop_left)
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; Process 8 rows in each single loop and loop 4 times to process 32 rows.
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mov r2, #4
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loop_32x32_neon
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; Process two rows.
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vdup.16 q0, d6[0]
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vdup.16 q2, d6[1]
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vadd.s16 q12, q0, q8
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vadd.s16 q13, q0, q9
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vadd.s16 q14, q0, q10
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vadd.s16 q15, q0, q11
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vqmovun.s16 d0, q12
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vqmovun.s16 d1, q13
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vadd.s16 q12, q2, q8
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vadd.s16 q13, q2, q9
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vqmovun.s16 d2, q14
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vqmovun.s16 d3, q15
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vadd.s16 q14, q2, q10
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vadd.s16 q15, q2, q11
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vst1.64 {d0-d3}, [r0], r1
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vqmovun.s16 d24, q12
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vqmovun.s16 d25, q13
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vqmovun.s16 d26, q14
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vqmovun.s16 d27, q15
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vdup.16 q1, d6[2]
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vdup.16 q2, d6[3]
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vst1.64 {d24-d27}, [r0], r1
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; Process two rows.
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vadd.s16 q12, q1, q8
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vadd.s16 q13, q1, q9
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vadd.s16 q14, q1, q10
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vadd.s16 q15, q1, q11
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vqmovun.s16 d0, q12
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vqmovun.s16 d1, q13
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vadd.s16 q12, q2, q8
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vadd.s16 q13, q2, q9
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vqmovun.s16 d2, q14
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vqmovun.s16 d3, q15
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vadd.s16 q14, q2, q10
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vadd.s16 q15, q2, q11
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vst1.64 {d0-d3}, [r0], r1
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vqmovun.s16 d24, q12
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vqmovun.s16 d25, q13
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vqmovun.s16 d26, q14
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vqmovun.s16 d27, q15
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vdup.16 q0, d7[0]
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vdup.16 q2, d7[1]
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vst1.64 {d24-d27}, [r0], r1
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; Process two rows.
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vadd.s16 q12, q0, q8
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vadd.s16 q13, q0, q9
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vadd.s16 q14, q0, q10
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vadd.s16 q15, q0, q11
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vqmovun.s16 d0, q12
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vqmovun.s16 d1, q13
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vadd.s16 q12, q2, q8
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vadd.s16 q13, q2, q9
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vqmovun.s16 d2, q14
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vqmovun.s16 d3, q15
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vadd.s16 q14, q2, q10
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vadd.s16 q15, q2, q11
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vst1.64 {d0-d3}, [r0], r1
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vqmovun.s16 d24, q12
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vqmovun.s16 d25, q13
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vqmovun.s16 d26, q14
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vqmovun.s16 d27, q15
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vdup.16 q0, d7[2]
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vdup.16 q2, d7[3]
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vst1.64 {d24-d27}, [r0], r1
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; Process two rows.
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vadd.s16 q12, q0, q8
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vadd.s16 q13, q0, q9
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vadd.s16 q14, q0, q10
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vadd.s16 q15, q0, q11
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vqmovun.s16 d0, q12
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vqmovun.s16 d1, q13
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vadd.s16 q12, q2, q8
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vadd.s16 q13, q2, q9
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vqmovun.s16 d2, q14
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vqmovun.s16 d3, q15
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vadd.s16 q14, q2, q10
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vadd.s16 q15, q2, q11
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vst1.64 {d0-d3}, [r0], r1
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vqmovun.s16 d24, q12
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vqmovun.s16 d25, q13
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vld1.8 {d0}, [r3]! ; preload 8 left pixels
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vqmovun.s16 d26, q14
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vqmovun.s16 d27, q15
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vmovl.u8 q3, d0
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vst1.64 {d24-d27}, [r0], r1
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subs r2, r2, #1
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bgt loop_32x32_neon
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bx lr
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ENDP ; |vpx_tm_predictor_32x32_neon|
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END
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