wehub-resource-sync
94 lines
1.5 KiB
ArmAsm
94 lines
1.5 KiB
ArmAsm
//
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// MNNMatrixMax.S
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// MNN
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//
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// Created by MNN on 2019/02/12.
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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 MNNMatrixMax
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//void MNNMatrixMax(float* C, const float* A, const float* B, size_t widthC4, size_t cStride, size_t aStride, size_t bStride, size_t height)
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//Auto: x0: C, x1:A, x2:B, x3:widthC4
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//x4:cStride, x5:aStride, x6:bStride, x7:height
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mov x12, #4 //sizeof(float)
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mul x4, x12, x4
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mul x5, x12, x5
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mul x6, x12, x6
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LoopY:
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mov x8, x0
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mov x9, x1
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mov x10, x2
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mov x11, x3
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L4:
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cmp x11, #4
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blt L1
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sub x11, x11, #4
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ld1 {v0.4s, v1.4s}, [x1], #32
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ld1 {v2.4s, v3.4s}, [x2], #32
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fmax v0.4s, v0.4s, v2.4s
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ld1 {v16.4s, v17.4s}, [x1], #32
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fmax v1.4s, v1.4s, v3.4s
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cmp x11, #4
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blt L4LoopEnd
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L4Loop:
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ld1 {v18.4s, v19.4s}, [x2], #32
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st1 {v0.4s, v1.4s}, [x0], #32
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fmax v16.4s, v16.4s, v18.4s
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fmax v17.4s, v17.4s, v19.4s
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ld1 {v0.4s, v1.4s}, [x1], #32
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st1 {v16.4s, v17.4s}, [x0], #32
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ld1 {v2.4s, v3.4s}, [x2], #32
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fmax v0.4s, v0.4s, v2.4s
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ld1 {v16.4s, v17.4s}, [x1], #32
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fmax v1.4s, v1.4s, v3.4s
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sub x11, x11, #4
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cmp x11, #4
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bge L4Loop
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L4LoopEnd:
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ld1 {v18.4s, v19.4s}, [x2], #32
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st1 {v0.4s, v1.4s}, [x0], #32
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fmax v16.4s, v16.4s, v18.4s
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fmax v17.4s, v17.4s, v19.4s
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st1 {v16.4s, v17.4s}, [x0], #32
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L1:
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cmp x11, #0
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beq EndLine
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L1Loop:
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ld1 {v0.4s}, [x1], #16
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ld1 {v1.4s}, [x2], #16
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fmax v0.4s, v0.4s, v1.4s
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st1 {v0.4s}, [x0], #16
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subs x11, x11, #1
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bne L1Loop
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EndLine:
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add x0, x8, x4
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add x1, x9, x5
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add x2, x10, x6
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subs x7, x7, #1
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bne LoopY
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ret
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#endif
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