304c7425d2
Brings the TEXT() function signature closer to how the directive works in assembly. Also update almost all examples to use NOSPLIT. Closes #11
35 lines
874 B
ArmAsm
35 lines
874 B
ArmAsm
// Code generated by command: go run asm.go -out geohash.s -stubs stub.go. DO NOT EDIT.
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#include "textflag.h"
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// func EncodeInt(lat float64, lng float64) uint64
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TEXT ·EncodeInt(SB), NOSPLIT, $0-24
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MOVSD lat(FP), X0
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MOVSD lng+8(FP), X1
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MULSD reciprocal180<>(SB), X0
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ADDSD onepointfive<>(SB), X0
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MULSD reciprocal360<>(SB), X1
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ADDSD onepointfive<>(SB), X1
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MOVQ X0, CX
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SHRQ $0x14, CX
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MOVQ X1, AX
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SHRQ $0x14, AX
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PDEPQ mask<>(SB), CX, CX
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PDEPQ mask<>(SB), AX, AX
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SHLQ $0x01, AX
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XORQ AX, CX
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MOVQ CX, ret+16(FP)
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RET
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DATA reciprocal180<>(SB)/8, $(0.005555555555555556)
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GLOBL reciprocal180<>(SB), RODATA|NOPTR, $8
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DATA onepointfive<>(SB)/8, $(1.5)
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GLOBL onepointfive<>(SB), RODATA|NOPTR, $8
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DATA reciprocal360<>(SB)/8, $(0.002777777777777778)
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GLOBL reciprocal360<>(SB), RODATA|NOPTR, $8
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DATA mask<>(SB)/8, $0x5555555555555555
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GLOBL mask<>(SB), RODATA|NOPTR, $8
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