IBM PPC440X5 Manual do Utilizador descarregar pdf (Página 376)

100

101

mulhhwu

Multiply High Halfword to Word Unsigned

PPC440x5 CPU Core User’s Manual Preliminary

Page 376 of 589

instrset.fm.

September 12, 2002

mulhhwu

Multiply High Halfword to Word Unsigned

(RT)

← (RA)

0:15

× (RB)

0:15

unsigned

The high-order halfword of RA is multiplied by the high-order halfword of RB, considering both source oper-

ands 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.

mulhhwu RT, RA, RB Rc=0

mulhhwu. RT, RA, RB Rc=1

4RTRARB 8Rc

0 6 11 16 21 31

1 2 ... 371 372 373 374 375 376 377 378 379 380 381 ... 589 590

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