Renesas M32R-FPU - Manual (Page 152)

3
3-114 M32R-FPU Software Manual (Rev.1.01)
SUBV SUBV
arithmetic operation instruction
Subtract with overflow checking
[Mnemonic]
SUBV Rdest,Rsrc
[Function]
Subtract
Rdest = Rdest - Rsrc;
C = overflow ? 1 : 0;
[Description]
SUBV subtracts Rsrc from Rdest and puts the result in Rdest.
The condition bit (C) is set when the subtraction results in overflow; otherwise, it is cleared.
[EIT occurrence]
None
[Encoding]
dest 0000 0000 src SUBV Rdest,Rsrc
INSTRUCTIONS
3.2 Instruction description