Cirrus Logic EP93xx - Manual (Page 117)

DS785UM1 3-47
Copyright 2007 Cirrus Logic
MaverickCrunch Co-Processor
EP93xx User’s Guide
3
3
3
32-bit Integer Multiply-Subtract from Accumulator
Description:
Multiplies two 32-bit integers, subtracts the product from an accumulator, and
stores the result in an accumulator:
CRa = CRd - (CRn
×
CRm)
Mnemonic:
CFMSUBA32<cond> CRa, CRd, CRn, CRm
Bit Definitions:
CRa: Destination accumulator
CRd: Specifies minuend accumulator
CRn: Multiplicand register
CRm: Multiplicand register
31:28 27:24 23:22 21:20 19:16 15:12 11:8 7:5 4 3:0
cond 1 1 1 0 0 0 1 1 CRn CRd 0 1 1 0 CRa 0 CRm