nmacchws

Negative Multiply Accumulate Cross Halfword Signed

nmacchws RT, RA, RB

Negate product of cross halfwords and add to accumulator (Signed Saturation).

Details

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

Pseudocode Operation

// Negate product of cross halfwords and add to accumulator (Signed Saturation)

Example

nmacchws r3, r4, r5

Encoding

Binary Layout
4
0
RT
6
RA
11
RB
16
238
21
0
31
 
Format XO-form
Opcode 0x100000EE
Extension Embedded

Operands

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