wehub-resource-sync
76 lines
1.2 KiB
ArmAsm
76 lines
1.2 KiB
ArmAsm
//
|
|
// MNNCopyC4WithStride.S
|
|
// MNN
|
|
//
|
|
// Created by MNN on 2018/10/09.
|
|
// Copyright © 2018, Alibaba Group Holding Limited
|
|
//
|
|
|
|
#ifdef __arm__
|
|
#ifndef __aarch64__
|
|
|
|
#include "MNNAsmGlobal.h"
|
|
|
|
.text
|
|
.align 5
|
|
|
|
asm_function MNNCopyC4WithStride
|
|
//void MNNCopyC4WithStride(const float* source, float* dest, size_t srcStride, size_t dstStride, size_t count);
|
|
|
|
//Auto
|
|
//r0:source, r1:dest, r2: srcStride, r3:dstStride
|
|
|
|
//Load from sp: r4:count
|
|
push {r4, lr}
|
|
ldr r4, [sp, #8]
|
|
|
|
mov r12, #4
|
|
mul r2, r12, r2
|
|
mul r3, r12, r3
|
|
|
|
L8:
|
|
cmp r4, #8
|
|
blt L1
|
|
|
|
L8Loop:
|
|
mov r12, r1
|
|
vld1.32 {q0}, [r0], r2
|
|
vst1.32 {q0}, [r1], r3
|
|
vld1.32 {q1}, [r0], r2
|
|
vst1.32 {q1}, [r1], r3
|
|
vld1.32 {q2}, [r0], r2
|
|
vst1.32 {q2}, [r1], r3
|
|
vld1.32 {q3}, [r0], r2
|
|
vst1.32 {q3}, [r1], r3
|
|
vld1.32 {q0}, [r0], r2
|
|
vst1.32 {q0}, [r1], r3
|
|
vld1.32 {q1}, [r0], r2
|
|
vst1.32 {q1}, [r1], r3
|
|
vld1.32 {q2}, [r0], r2
|
|
vst1.32 {q2}, [r1], r3
|
|
vld1.32 {q3}, [r0], r2
|
|
vst1.32 {q3}, [r1], r3
|
|
|
|
sub r4, r4, #8
|
|
cmp r4, #8
|
|
bge L8Loop
|
|
|
|
L1:
|
|
cmp r4, #0
|
|
beq End
|
|
|
|
L1Loop:
|
|
vld1.32 {q0}, [r0], r2
|
|
vst1.32 {q0}, [r1], r3
|
|
|
|
subs r4, r4, #1
|
|
bne L1Loop
|
|
|
|
End:
|
|
|
|
pop {r4, pc}
|
|
|
|
|
|
#endif
|
|
#endif
|