wehub-resource-sync
140 lines
2.7 KiB
ArmAsm
140 lines
2.7 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 MNNGRAYToC4Fast(const unsigned char* source, unsigned char* dest, size_t count);
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asm_function MNNGRAYToC4Fast
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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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movi v31.16b, #255
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L12:
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cmp x2, #12
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blt L8
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ld1 {v0.16b, v1.16b, v2.16b, v3.16b}, [x0], #64
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ld1 {v21.16b, v22.16b}, [x0], #32
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sub x2, x2, #12
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mov v5.16b, v0.16b
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mov v6.16b, v0.16b
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mov v7.16b, v0.16b
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mov v8.16b, v31.16b
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mov v9.16b, v1.16b
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mov v10.16b, v1.16b
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mov v11.16b, v1.16b
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mov v12.16b, v31.16b
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mov v13.16b, v2.16b
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mov v14.16b, v2.16b
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mov v15.16b, v2.16b
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mov v16.16b, v31.16b
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mov v17.16b, v3.16b
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mov v18.16b, v3.16b
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mov v19.16b, v3.16b
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mov v20.16b, v31.16b
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mov v23.16b, v21.16b
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mov v24.16b, v21.16b
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mov v25.16b, v21.16b
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mov v26.16b, v31.16b
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mov v27.16b, v22.16b
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mov v28.16b, v22.16b
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mov v29.16b, v22.16b
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mov v30.16b, v31.16b
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st4 {v5.16b, v6.16b, v7.16b, v8.16b}, [x1], #64
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st4 {v9.16b, v10.16b, v11.16b, v12.16b}, [x1], #64
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st4 {v13.16b, v14.16b, v15.16b, v16.16b}, [x1], #64
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st4 {v17.16b, v18.16b, v19.16b, v20.16b}, [x1], #64
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st4 {v23.16b, v24.16b, v25.16b, v26.16b}, [x1], #64
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st4 {v27.16b, v28.16b, v29.16b, v30.16b}, [x1], #64
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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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ld1 {v0.16b, v1.16b, v2.16b, v3.16b}, [x0], #64
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sub x2, x2, #8
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mov v5.16b, v0.16b
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mov v6.16b, v0.16b
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mov v7.16b, v0.16b
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mov v8.16b, v31.16b
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mov v9.16b, v1.16b
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mov v10.16b, v1.16b
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mov v11.16b, v1.16b
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mov v12.16b, v31.16b
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mov v13.16b, v2.16b
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mov v14.16b, v2.16b
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mov v15.16b, v2.16b
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mov v16.16b, v31.16b
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mov v17.16b, v3.16b
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mov v18.16b, v3.16b
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mov v19.16b, v3.16b
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mov v20.16b, v31.16b
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st4 {v5.16b, v6.16b, v7.16b, v8.16b}, [x1], #64
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st4 {v9.16b, v10.16b, v11.16b, v12.16b}, [x1], #64
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st4 {v13.16b, v14.16b, v15.16b, v16.16b}, [x1], #64
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st4 {v17.16b, v18.16b, v19.16b, v20.16b}, [x1], #64
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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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ld1 {v0.16b, v1.16b}, [x0], #32
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sub x2, x2, #4
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mov v5.16b, v0.16b
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mov v6.16b, v0.16b
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mov v7.16b, v0.16b
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mov v8.16b, v31.16b
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mov v9.16b, v1.16b
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mov v10.16b, v1.16b
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mov v11.16b, v1.16b
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mov v12.16b, v31.16b
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st4 {v5.16b, v6.16b, v7.16b, v8.16b}, [x1], #64
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st4 {v9.16b, v10.16b, v11.16b, v12.16b}, [x1], #64
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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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ld1 {v0.16b}, [x0], #16
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mov v5.16b, v0.16b
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mov v6.16b, v0.16b
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mov v7.16b, v0.16b
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mov v8.16b, v31.16b
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sub x2, x2, #2
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st4 {v5.16b, v6.16b, v7.16b, v8.16b}, [x1], #64
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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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ld1 {v0.8b}, [x0], #8
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mov v5.8b, v0.8b
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mov v6.8b, v0.8b
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mov v7.8b, v0.8b
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mov v8.8b, v31.8b
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st4 {v5.8b, v6.8b, v7.8b, v8.8b}, [x1], #32
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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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