Filter
Top Products
mulchw
Multiply Cross Halfword to Word Signed
Preliminary PPC440x5 CPU Core User’s Manual
instrset.fm.
September 12, 2002 Page 373 of 589
mulchw
Multiply Cross Halfword to Word Signed
(RT)
0
:31
← (RA)
16:31
× (RB)
0:15
signed
The low-order halfword of RA is multiplied by the high-order halfword of RB, considering both source oper-
ands as signed 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.
mulchw RT, RA, RB Rc=0
mulchw. RT, RA, RB Rc=1
4 RT RA RB 168 Rc
0 6 11 16 21 31