smlabt
Signed Multiply Accumulate (Bottom x Top)
SMLABT<c> <Rd>, <Rn>, <Rm>, <Ra>
Accumulates (Rn.B * Rm.T) into Ra.
Details
The Signed Multiply Accumulate instruction accumulates (Rn.B * Rm.T) into Ra.
Pseudocode Operation
// Accumulates (Rn.B * Rm.T) into Ra
Example
SMLABT r0, r1, r2, r5
Encoding
Binary Layout
cond
00010000
Rd
Ra
Rm
1100
Rn
Operands
-
Rd
Destination general-purpose register -
Rn
First source / base general-purpose register -
Rm
Second source / offset general-purpose register -
Ra
Acc