nmachhw

Negative Multiply Accumulate High Halfword

nmachhw RT, RA, RB

Negate product of high halfwords and add to accumulator.

Details

The Negative Multiply Accumulate High Halfword instruction negate product of high halfwords and add to accumulator.

Pseudocode Operation

// Negate product of high halfwords and add to accumulator

Example

nmachhw r3, r4, r5

Encoding

Binary Layout
4
0
RT
6
RA
11
RB
16
46
21
0
31
 
Format XO-form
Opcode 0x1000002E
Extension Embedded

Operands

  • RT
    Acc/Dest
  • RA
    Src A
  • RB
    Src B