Renesas M32R-FPU Stereo System User Manual


 
3
3-73 M32R-FPU Software Manual (Rev.1.01)
MULMUL
multiply and divide instruction
Multiply
[Mnemonic]
MUL Rdest,Rsrc
[Function]
Multiply
{ signed64bit tmp;
tmp = ( signed64bit ) Rdest * ( signed64bit ) Rsrc;
Rdest = ( int ) tmp;}
[Description]
MUL multiplies Rdest by Rsrc and puts the result in Rdest.
The operands are treated as signed values.
The contents of the accumulator are destroyed by this instruction. The condition bit (C) is
unchanged.
[EIT occurrence]
None
[Encoding]
dest0001 MUL Rdest,Rsrcsrc0110
INSTRUCTIONS
3.2 Instruction description