AN2203 Freescale Semiconductor / Motorola, AN2203 Datasheet - Page 71

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

Table A-9 lists vector complex integer instruction latencies. This complex integer unit is called the VCIU in
the MPC7400, and the VIU2 in the MPC7450.
MOTOROLA
Table A-8. AltiVec Operations—Vector Simple Integer Unit (continued)
MPC7450 RISC Microprocessor Family Software Optimization Guide
vslb
vslh
vslw
vsrab
vsrah
vsraw
vsrb
vsrh
vsrw
vsubcuw
vsubsbs
vsubshs
vsubsws
vsububm
vsububs
vsubuhm
vsubuhs
vsubuwm
vsubuws
vxor
vmhaddshs
vmhraddshs
vmladduhm
vmsummbm
vmsumshm
vmsumshs
vmsumubm
vmsumuhm
vmsumuhs
Table A-9. AltiVec Operations—Vector Complex Interger Unit
Mnemonic
Mnemonic
Freescale Semiconductor, Inc.
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VALU-VSIU
VALU-VSIU
VALU-VSIU
VALU-VSIU
VALU-VSIU
VALU-VSIU
VALU-VSIU
VALU-VSIU
VALU-VSIU
VALU-VSIU
VALU-VSIU
VALU-VSIU
VALU-VSIU
VALU-VSIU
VALU-VSIU
VALU-VSIU
VALU-VSIU
VALU-VSIU
VALU-VSIU
VALU-VSIU
VALU-VCIU
VALU-VCIU
VALU-VCIU
VALU-VCIU
VALU-VCIU
VALU-VCIU
VALU-VCIU
VALU-VCIU
VALU-VCIU
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Unit
Unit
MPC7400
MPC7400
Cycles
Cycles
3:1
3:1
3:1
3:1
3:1
3:1
3:1
3:1
3:1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
VIU1
VIU1
VIU1
VIU1
VIU1
VIU1
VIU1
VIU1
VIU1
VIU1
VIU1
VIU1
VIU1
VIU1
VIU1
VIU1
VIU1
VIU1
VIU1
VIU1
VIU2
VIU2
VIU2
VIU2
VIU2
VIU2
VIU2
VIU2
VIU2
Unit
Unit
MPC7450
MPC7450
MPC7450 Execution Latencies
Cycles
Cycles
4:1
4:1
4:1
4:1
4:1
4:1
4:1
4:1
4:1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
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