wehub-resource-sync
84 lines
1.3 KiB
ArmAsm
84 lines
1.3 KiB
ArmAsm
//
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// MNNUInt8ToInt16WithOffsetC4Fast.S
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// MNN
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//
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// Created by MNN on 2018/10/25.
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// Copyright © 2018, Alibaba Group Holding Limited
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//
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#ifdef __arm__
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#ifndef __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 MNNUInt8ToInt16WithOffsetC4Fast
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//void MNNUInt8ToInt16WithOffsetC4Fast(int16_t* dst, const uint8_t* src, size_t zeroPoint, size_t sizeQuad, size_t depthQuad, size_t dstZStep, size_t srcZStep);
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//Auto: r0:dst, r1:src, r2: zeroPoint, r3: sizeQuad
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//Load from sp: r4: depthQuad, r5: dstStride, r6:srcStride
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push {r4-r8, lr} // avoid to touch platform-register r-9
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ldr r4, [sp, #24]
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ldr r5, [sp, #28]
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ldr r6, [sp, #32]
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vdup.u8 d30, r2
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LoopZ:
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mov r7, r0
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mov r8, r1
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mov lr, r3
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L8:
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cmp r3, #8
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blt L1
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LoopL8:
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vld1.32 {q0}, [r1]!
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vsubl.u8 q8, d0, d30
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vld1.32 {q1}, [r1]!
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vsubl.u8 q9, d1, d30
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vst1.32 {q8, q9}, [r0]!
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vsubl.u8 q10, d2, d30
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vsubl.u8 q11, d3, d30
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vst1.32 {q10, q11}, [r0]!
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sub r3, r3, #8
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cmp r3, #8
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bge LoopL8
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L1:
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cmp r3, #0
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beq End
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LoopL1:
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vld1.32 {d0[0]}, [r1]!
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vsubl.u8 q0, d0, d30
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vst1.32 {d0}, [r0]!
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subs r3, r3, #1
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bne LoopL1
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End:
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subs r4, r4, #1
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add r0, r7, r5
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add r1, r8, r6
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mov r3, lr
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bne LoopZ
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pop {r4-r8, pc}
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#endif
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#endif
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