AN2203 Freescale Semiconductor / Motorola, AN2203 Datasheet - Page 68

• Manufacturer Part Number: AN2203
• Description: MPC7450 RISC Microprocessor Family Software Optimization Guide
• Manufacturer: Freescale Semiconductor / Motorola

MPC7450 Execution Latencies
68
lvsl
lvsr
lvx
lvxl
lwarx
lwbrx
lwz
lwzu
lwzux
lwzx
stb
stbu
stbux
stbx
stfd
stfdu
stfdux
stfdx
stfiwx
stfs
stfsu
stfsux
stfsx
sth
sthbrx
sthu
sthux
sthx
stmw
stswi
stswx
stvebx
Mnemonic
MPC7450 RISC Microprocessor Family Software Optimization Guide
Table A-7. Store Unit (LSU) Instruction Latencies (continued)
Freescale Semiconductor, Inc.
Vector
Vector
Vector
Vector
Vector
- NA -
Class
Float
Float
Float
Float
Float
Float
Float
Float
Float
GPR
GPR
GPR
GPR
GPR
GPR
GPR
GPR
GPR
GPR
GPR
GPR
GPR
GPR
GPR
GPR
GPR
For More Information On This Product,
- NA -
- NA -
- NA -
- NA -
- NA -
Unit
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
Go to: www.freescale.com
MPC750
Cycles
2+n {e}
2+n {e}
2+n {e}
3:1 {e}
- NA -
- NA -
- NA -
- NA -
- NA -
2:1
2:1
2:1
2:1
2:1
2:1
2:1
2:1
2:1
2:1
2:1
2:1
2:1
2:1
2:1
2:1
2:1
2:1
2:1
2:1
2:1
2:1
2:1
Unit
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
MPC7400
Cycles
2+n {e}
2+n {e}
2+n {e}
3:3 {e}
2:1 {s}
2:1 {s}
2:1 {s}
2:1 {s}
2:1 {s}
2:1 {s}
2:1 {s}
2:1 {s}
2:1 {s}
2:1 {s}
2:1 {s}
2:1 {s}
2:1 {s}
2:1 {s}
2:1 ?
2:1 ?
2:1 ?
2:1 ?
2:1
2:1
2:1
2:1
2:1
2:1
2:1
2:1
2:1
2:1
Unit
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
LSU
MPC7450
3 + n{s}
3 + n{s}
Cycles
3:3{s}
3:3{s}
3+ n{s}
3:3{s}
3:3{s}
3:3{s}
3:3{s}
3:3{s}
3:3{s}
3:1 {s}
3:1 {s}
3:1{s}
3:1{s}
3:1{s}
3:1{s}
3:1{s}
3:1{s}
3:1{s}
3:1{s}
3:1{s}
3{e}
3:1
3:1
3:1
3:1
3:1
3:1
3:1
3:1
3:1
2
2
2
2
2
2
1
2
MOTOROLA