AN2203 Freescale Semiconductor / Motorola, AN2203 Datasheet - Page 72

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

MPC7450 Execution Latencies
Table A-10 lists vector floating-point (VFPU) instruction latencies.
72
Table A-9. AltiVec Operations—Vector Complex Interger Unit (continued)
MPC7450 RISC Microprocessor Family Software Optimization Guide
vmulesb
vmulesh
vmuleub
vmuleuh
vmulosb
vmulosh
vmuloub
vmulouh
vsum2sws
vsum4sbs
vsum4shs
vsum4ubs
vsumsws
mfvscr
mtvscr
vaddfp
vcmpbfp[.]
vcmpeqfp[.]
vcmpgefp[.]
vcmpgtfp[.]
vcfsx
vcfux
vctsxs
vctuxs
vexptefp
vlogefp
vmaddfp
vmaxfp
vminfp
Table A-10. AltiVec Operations—Vector Floating-Point Unit
Mnemonic
Mnemonic
Freescale Semiconductor, Inc.
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VALU-VFPU
VALU-VFPU
VALU-VFPU
VALU-VFPU
VALU-VFPU
VALU-VFPU
VALU-VFPU
VALU-VFPU
VALU-VCIU
VALU-VCIU
VALU-VCIU
VALU-VCIU
VALU-VCIU
VALU-VCIU
VALU-VCIU
VALU-VCIU
VALU-VCIU
VALU-VCIU
VALU-VCIU
VALU-VCIU
VALU-VCIU
VALU-VSIU
VALU-VSIU
VALU-VSIU
VALU-VSIU
VALU-VSIU
VALU-VSIU
VALU-VSIU
VALU-VSIU
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Unit
Unit
MPC7400
MPC7400
Cycles
Cycles
1 {e}
1 {e}
4:1
4:1
4:1
4:1
4:1
4:1
4:1
4:1
3:1
3:1
3:1
3:1
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
VFPU
VFPU
VFPU
VFPU
VFPU
VFPU
VFPU
VFPU
VFPU
VFPU
VFPU
VFPU
VFPU
VFPU
VFPU
VFPU
VIU2
VIU2
VIU2
VIU2
VIU2
VIU2
VIU2
VIU2
VIU2
VIU2
VIU2
VIU2
VIU2
Unit
Unit
MPC7450
MPC7450
Cycles
Cycles
2 {e}
2 {e}
4:1
4:1
4:1
4:1
4:1
4:1
4:1
4:1
4:1
4:1
4:1
4:1
4:1
4:1
2:1
2:1
2:1
2:1
4:1
4:1
4:1
4:1
4:1
4:1
4:1
2:1
2:1
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