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caddy/vendor/github.com/codahale/aesnicheck/asm_amd64.s

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ArmAsm

// func HasAESNI() bool
TEXT ·HasAESNI(SB),$0
XORQ AX, AX
INCL AX
CPUID
SHRQ $25, CX
ANDQ $1, CX
MOVB CX, ret+0(FP)
RET