4.4.11 Quadword Multiply
Format:
MULQ | Ra.rq,Rb.rq,Rc.wq | !Operate format |
MULQ | Ra.Rq,#b.ib,Rc.wq | !Operate format |
Operation:
Rc ← Rav * Rbv
Exceptions:
Integer Overflow
Instruction mnemonics:
MULQ | Multiply Quadword |
Qualifiers:
Integer Overflow Enable (/V)
Description:
Register Ra is multiplied by register Rb or a literal and the
The UMULH instruction can be used to generate the upper 64 bits of the
Instruction Descriptions