mla

Multiply Accumulate (A32)

MLA{S}<c> <Rd>, <Rn>, <Rm>, <Ra>

Calculates Rd = (Rn * Rm) + Ra.

Details

The Multiply Accumulate instruction calculates Rd = (Rn * Rm) + Ra.

Pseudocode Operation

Rd ← Rn × Rm + Ra

Example

MLA r0, r1, r2, r5

Encoding

Binary Layout
cond
0000001
S
Rd
Ra
Rm
1001
Rn
 
Format Multiply
Opcode 0x00200090
Extension A32 (Base)

Operands

  • Rd
    Destination general-purpose register
  • Rn
    First source / base general-purpose register
  • Rm
    Second source / offset general-purpose register
  • Ra
    Addend