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8a4c0d4a3f
issue #28657 follow https://pkg.go.dev/cmd/go#hdr-Build_constraints to compile go assembly with different cpu arch Signed-off-by: chasingegg <chao.gao@zilliz.com>
56 lines
1.2 KiB
ArmAsm
56 lines
1.2 KiB
ArmAsm
// Code generated by command: go run ip.go -out ip_amd64.s -stubs ip_stub_amd64.go. DO NOT EDIT.
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#include "textflag.h"
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// func IP(x []float32, y []float32) float32
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// Requires: AVX, FMA3, SSE
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TEXT ·IP(SB), NOSPLIT, $0-52
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MOVQ x_base+0(FP), AX
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MOVQ y_base+24(FP), CX
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MOVQ x_len+8(FP), DX
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VXORPS Y0, Y0, Y0
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VXORPS Y1, Y1, Y1
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VXORPS Y2, Y2, Y2
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VXORPS Y3, Y3, Y3
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blockloop:
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CMPQ DX, $0x00000020
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JL tail
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VMOVUPS (AX), Y4
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VMOVUPS 32(AX), Y5
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VMOVUPS 64(AX), Y6
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VMOVUPS 96(AX), Y7
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VFMADD231PS (CX), Y4, Y0
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VFMADD231PS 32(CX), Y5, Y1
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VFMADD231PS 64(CX), Y6, Y2
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VFMADD231PS 96(CX), Y7, Y3
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ADDQ $0x00000080, AX
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ADDQ $0x00000080, CX
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SUBQ $0x00000020, DX
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JMP blockloop
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tail:
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VXORPS X4, X4, X4
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tailloop:
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CMPQ DX, $0x00000000
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JE reduce
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VMOVSS (AX), X5
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VFMADD231SS (CX), X5, X4
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ADDQ $0x00000004, AX
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ADDQ $0x00000004, CX
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DECQ DX
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JMP tailloop
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reduce:
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VADDPS Y0, Y1, Y0
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VADDPS Y2, Y3, Y2
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VADDPS Y0, Y2, Y0
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VEXTRACTF128 $0x01, Y0, X1
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VADDPS X0, X1, X0
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VADDPS X0, X4, X0
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VHADDPS X0, X0, X0
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VHADDPS X0, X0, X0
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MOVSS X0, ret+48(FP)
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RET
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