wehub-resource-sync
127 lines
2.6 KiB
ArmAsm
127 lines
2.6 KiB
ArmAsm
#ifdef __aarch64__
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#include "MNNAsmGlobal.h"
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.text
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.align 5
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// void MNNRGBToBGR(const unsigned char* source, unsigned char* dest, size_t count);
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asm_function MNNRGBToBGRC8
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// x0: source, x1: dest, x2: count
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stp d14, d15, [sp, #(-16 * 4)]!
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stp d12, d13, [sp, #(16 * 1)]
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stp d10, d11, [sp, #(16 * 2)]
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stp d8, d9, [sp, #(16 * 3)]
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L12:
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cmp x2, #12
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blt L8
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ld3 {v0.16b, v1.16b, v2.16b}, [x0], #48
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ld3 {v6.16b, v7.16b, v8.16b}, [x0], #48
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ld3 {v12.16b, v13.16b, v14.16b}, [x0], #48
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ld3 {v15.16b, v16.16b, v17.16b}, [x0], #48
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ld3 {v24.16b, v25.16b, v26.16b}, [x0], #48
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ld3 {v27.16b, v28.16b, v29.16b}, [x0], #48
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sub x2, x2, #12
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mov v3.16b, v2.16b
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mov v4.16b, v1.16b
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mov v5.16b, v0.16b
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mov v9.16b, v8.16b
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mov v10.16b, v7.16b
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mov v11.16b, v6.16b
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mov v18.16b, v14.16b
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mov v19.16b, v13.16b
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mov v20.16b, v12.16b
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mov v21.16b, v17.16b
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mov v22.16b, v16.16b
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mov v23.16b, v15.16b
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mov v0.16b, v26.16b
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mov v1.16b, v25.16b
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mov v2.16b, v24.16b
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mov v6.16b, v29.16b
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mov v7.16b, v28.16b
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mov v8.16b, v27.16b
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st3 {v3.16b, v4.16b, v5.16b}, [x1], #48
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st3 {v9.16b, v10.16b, v11.16b}, [x1], #48
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st3 {v18.16b, v19.16b, v20.16b}, [x1], #48
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st3 {v21.16b, v22.16b, v23.16b}, [x1], #48
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st3 {v0.16b, v1.16b, v2.16b}, [x1], #48
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st3 {v6.16b, v7.16b, v8.16b}, [x1], #48
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b L12
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L8:
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cmp x2, #8
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blt L4
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ld3 {v0.16b, v1.16b, v2.16b}, [x0], #48
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ld3 {v6.16b, v7.16b, v8.16b}, [x0], #48
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ld3 {v12.16b, v13.16b, v14.16b}, [x0], #48
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ld3 {v15.16b, v16.16b, v17.16b}, [x0], #48
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sub x2, x2, #8
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mov v3.16b, v2.16b
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mov v4.16b, v1.16b
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mov v5.16b, v0.16b
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mov v9.16b, v8.16b
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mov v10.16b, v7.16b
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mov v11.16b, v6.16b
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mov v18.16b, v14.16b
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mov v19.16b, v13.16b
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mov v20.16b, v12.16b
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mov v21.16b, v17.16b
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mov v22.16b, v16.16b
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mov v23.16b, v15.16b
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st3 {v3.16b, v4.16b, v5.16b}, [x1], #48
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st3 {v9.16b, v10.16b, v11.16b}, [x1], #48
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st3 {v18.16b, v19.16b, v20.16b}, [x1], #48
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st3 {v21.16b, v22.16b, v23.16b}, [x1], #48
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b L8
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L4:
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cmp x2, #4
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blt L2
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ld3 {v0.16b, v1.16b, v2.16b}, [x0], #48
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ld3 {v6.16b, v7.16b, v8.16b}, [x0], #48
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sub x2, x2, #4
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mov v3.16b, v2.16b
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mov v4.16b, v1.16b
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mov v5.16b, v0.16b
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mov v9.16b, v8.16b
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mov v10.16b, v7.16b
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mov v11.16b, v6.16b
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st3 {v3.16b, v4.16b, v5.16b}, [x1], #48
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st3 {v9.16b, v10.16b, v11.16b}, [x1], #48
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b L4
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L2:
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cmp x2, #2
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blt L1
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ld3 {v0.16b, v1.16b, v2.16b}, [x0], #48
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mov v3.16b, v2.16b
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mov v4.16b, v1.16b
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mov v5.16b, v0.16b
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sub x2, x2, #2
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st3 {v3.16b, v4.16b, v5.16b}, [x1], #48
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b L2
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L1:
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cmp x2, #1
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blt End
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ld3 {v0.8b, v1.8b, v2.8b}, [x0], #24
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mov v3.8b, v2.8b
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mov v4.8b, v1.8b
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mov v5.8b, v0.8b
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st3 {v3.8b, v4.8b, v5.8b}, [x1], #24
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End:
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ldp d8, d9, [sp, #(16 * 3)]
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ldp d10, d11, [sp, #(16 * 2)]
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ldp d12, d13, [sp, #(16 * 1)]
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ldp d14, d15, [sp], #(16 * 4)
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ret
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#endif
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