nmacchw

Negative Multiply Accumulate Cross Halfword

nmacchw RT, RA, RB

Negate product of cross halfwords and add to accumulator.

Details

The Negative Multiply Accumulate Cross Halfword instruction negate product of cross halfwords and add to accumulator.

Pseudocode Operation

// Negate product of cross halfwords and add to accumulator

Example

nmacchw r3, r4, r5

Encoding

Binary Layout
4
0
RT
6
RA
11
RB
16
174
21
0
31
 
Format XO-form
Opcode 0x100000AE
Extension Embedded

Operands

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