參數(shù)資料
型號: LR4500
廠商: LSI Corporation
英文描述: Superscalar Microprocessor(超標(biāo)量微處理器)
中文描述: 超標(biāo)量微處理器(超標(biāo)量微處理器)
文件頁數(shù): 43/172頁
文件大小: 1142K
代理商: LR4500
Instruction Set
4-7
Table 4.6
describes the multiply/divide instructions.
Table 4.6 Multiply/Divide Instructions
Instruction
Format and Description
Divide
DIV rs, rt
Divide contents of registers
rs
by the contents of
rt
as two’s complement
values. Place the 32-bit quotient in special register EntryLo and the 32-bit
remainder in EntryHi.
Divide Unsigned
DIVU rs, rt
Divide contents of registers
rs
by the contents of
rt
as unsigned values.
Place the 32-bit quotient in special register EntryLo and the 32-bit
remainder in EntryHi.
Move from HI
MFHI rd
Move contents of special register EntryHi to register
rd
.
Move from LO
MFLO rd
Move contents of special register EntryLo to register
rd
.
Move to HI
MTHI rs
Move contents of register
rs
to special register EntryHi.
Move to LO
MTLO rs
Move contents of register
rd
to special register EntryLo.
Multiply
MULT rs, rt
Multiply contents of registers
rs
and
rt
as two’s complement values. Place
the 64-bit results in special registers EntryHi and EntryLo. (The EntryLo
and EntryHi Registers are read/write registers that access the TLB.)
Multiply Unsigned
MULTU rs, rt
Multiply contents of registers
rs
and
rt
as unsigned values. Place 64-bit
results in special registers EntryHi and EntryLo.
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