mls

Multiply Subtract (A32)

MLS<c> <Rd>, <Rn>, <Rm>, <Ra>

Calculates Rd = Ra - (Rn * Rm).

Details

The Multiply Subtract instruction calculates Rd = Ra - (Rn * Rm).

Pseudocode Operation

Rd ← Rn - Rm
// Flags affected: N, Z, C, V

Example

MLS r0, r1, r2, r5

Encoding

Binary Layout
cond
00000110
Rd
Ra
Rm
1001
Rn
 
Format Multiply
Opcode 0x00600090
Extension A32 (Base)

Operands

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