mirror of
https://github.com/prometheus/prometheus.git
synced 2024-12-30 07:59:40 -08:00
12 lines
207 B
ArmAsm
12 lines
207 B
ArmAsm
|
// +build amd64,!appengine
|
||
|
|
|
||
|
|
// func Ctz(x uint64) uint64
|
||
|
|
TEXT ·Ctz(SB),4,$0-16
|
||
|
|
BSFQ x+0(FP), AX
|
||
|
|
JZ zero
|
||
|
|
MOVQ AX, ret+8(FP)
|
||
|
|
RET
|
||
|
|
zero:
|
||
|
|
MOVQ $64, ret+8(FP)
|
||
|
|
RET
|