Mulhhw - IBM PPC440X5 CPU Core User Manual

Preliminary

mulhhw

Multiply High Halfword to Word Signed
mulhhw RT, RA, RB
mulhhw. RT, RA, RB
4
0 6
(RT) (RA)
0 31
: 0:15
The high-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.
instrset.fm.
September 12, 2002
Rc=0
Rc=1
RT RA
11
(RB) signed
0:15
Multiply High Halfword to Word Signed
PPC440x5 CPU Core User's Manual
RB
16 21
mulhhw
40 Rc
31
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