Renesas M32R-FPU Manual Do Utilizador
2
2-10
M32R-FPU Software Manual (Rev.1.01)
ACC
0
63
sign
0
RAC instruction
ACC
0
63
sign
0
RACH instruction
< word size round off >
< halfword size round off >
data
data
0
63
0
63
Note: The actual operation is processed in two steps.
Refer to Chapter 3 for details.
Refer to Chapter 3 for details.
Fig. 2.1.4 DSP function instruction operation 3 (transfer between accumulator and register)
Rdest
0
31
ACC
0
63
15 16
31 32
47 48
MVFACHI
instruction
Rsrc
0
31
ACC
0
63
31 32
MVFACLO
instruction
MVFACMI instruction
MVTACLO
instruction
MVTACHI
instruction
instruction
Fig. 2.1.3 DSP function instruction operation 2 (round off)
INSTRUCTION SET
2.1 Instruction set overview