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Home > A64 General Instructions > SBFX |
Signed Bitfield Extract.
This instruction is an alias of SBFM
.
The equivalent instruction is SBFM
.Wd
, Wn
, #lsb
, #(lsb
+width
-1)
SBFX
Wd
, Wn
, #lsb
, #width
; 32-bit
SBFX
Xd
, Xn
, #lsb
, #width
; 64-bit
Where:
Wd
Wn
lsb
Depends on the instruction variant:
width
Depends on the instruction variant:
lsb
.lsb
.Xd
Xn
Signed Bitfield Extract extracts any number of adjacent bits at any position from a register, sign-extends them to the size of the register, and writes the result to the destination register.