
mullhwu
Multiply Low Halfword to Word Unsigned
PPC440x5 CPU Core User’s Manual Preliminary
Page 380 of 589 instrset.fm.
September 12, 2002
mullhwu
Multiply High Halfword to Word Unsigned
(RT)0:31← (RA)16:31 × (RB)16:31 unsigned
Thelow-order halfword of RA is multiplied by the low-order halfword of RB, considering both source operands
as unsigned integers. The 32-bit result is placed into register RT.
Registers Altered
•RT
• CR[CR0] if Rc contains 1
Architecture Note
This instruction is implementation-specific and programs which use this instruction may not be portable to
other PowerPC Book-E implementations. See Instruction Set Portability on page 250.
mullhwu RT, RA, RB Rc=0
mullhwu. RT, RA, RB Rc=1
4 RT RA RB 392 Rc
0 6 11 16 21 31