Multiply And Multiply-Accumulate To Data Register - Analog Devices ADSP-BF53x Blackfin Reference

Multiply and Multiply-Accumulate to Data Register

General Form
dest_reg = (accumulator = src_reg_0 * src_reg_1) (opt_mode)
dest_reg = (accumulator += src_reg_0 * src_reg_1) (opt_mode)
dest_reg = (accumulator –= src_reg_0 * src_reg_1) (opt_mode)
Syntax
Multiply-And-Accumulate Unit 0 (MAC0)
Dreg_even = (A0 = Dreg_lo_hi * Dreg_lo_hi) (opt_mode) ;
tiply and store (b) */
Dreg_even = (A0 += Dreg_lo_hi * Dreg_lo_hi) (opt_mode) ;
multiply and add (b) */
Dreg_even = (A0 –= Dreg_lo_hi * Dreg_lo_hi) (opt_mode) ;
multiply and subtract (b) */
Multiply-And-Accumulate Unit 1 (MAC1)
Dreg_odd = (A1 = Dreg_lo_hi * Dreg_lo_hi) (opt_mode) ;
tiply and store (b) */
Dreg_odd = (A1 += Dreg_lo_hi * Dreg_lo_hi) (opt_mode) ;
tiply and add (b) */
Dreg_odd = (A1 –= Dreg_lo_hi * Dreg_lo_hi) (opt_mode) ;
tiply and subtract (b) */
Syntax Terminology
:
Dreg_lo_hi R7–0.L
: ,
Dreg_even R0
: ,
Dreg_odd R1 R3
ADSP-BF53x/BF56x Blackfin Processor Programming Reference
,
R7–0.H
, ,
R2 R4 R6
, ,
R5 R7
Arithmetic Operations
/* mul-
/*
/*
/* mul-
/* mul-
/* mul-
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