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CLS
Count leading sign bits.
Syntax
CLS
Wd
, Wn
; 32-bit
CLS
Xd
, Xn
; 64-bit
Where:
Wd
- Is the 32-bit name of the general-purpose destination register.
Wn
- Is the 32-bit name of the general-purpose source register.
Xd
- Is the 64-bit name of the general-purpose destination register.
Xn
- Is the 64-bit name of the general-purpose source register.
Operation
, where R
d = CLS(Rn)
is either R
W
or X
.