wehub-resource-sync
68 lines
1.1 KiB
ArmAsm
68 lines
1.1 KiB
ArmAsm
//
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// MNNCopyC4WithStride.S
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// MNN
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//
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// Created by MNN on 2018/10/09.
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// Copyright © 2018, Alibaba Group Holding Limited
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//
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#ifdef __aarch64__
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#include "MNNAsmGlobal.h"
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.text
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.align 5
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asm_function MNNCopyC4WithStride
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//void MNNCopyC4WithStride(const float* source, float* dest, size_t srcStride, size_t dstStride, size_t count);
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//Auto
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//x0:source, x1:dest, x2: srcStride, x3:dstStride
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mov x12, #4
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mul x2, x12, x2
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mul x3, x12, x3
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L8:
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cmp x4, #8
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blt L1
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L8Loop:
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ld1 {v0.4s}, [x0], x2
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st1 {v0.4s}, [x1], x3
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ld1 {v1.4s}, [x0], x2
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st1 {v1.4s}, [x1], x3
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ld1 {v2.4s}, [x0], x2
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st1 {v2.4s}, [x1], x3
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ld1 {v3.4s}, [x0], x2
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st1 {v3.4s}, [x1], x3
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ld1 {v0.4s}, [x0], x2
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st1 {v0.4s}, [x1], x3
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ld1 {v1.4s}, [x0], x2
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st1 {v1.4s}, [x1], x3
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ld1 {v2.4s}, [x0], x2
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st1 {v2.4s}, [x1], x3
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ld1 {v3.4s}, [x0], x2
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st1 {v3.4s}, [x1], x3
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sub x4, x4, #8
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cmp x4, #8
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bge L8Loop
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L1:
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cmp x4, #0
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beq End
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L1Loop:
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ld1 {v0.4s}, [x0], x2
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st1 {v0.4s}, [x1], x3
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subs x4, x4, #1
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bne L1Loop
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End:
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ret
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#endif
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