Texas Instruments TMS320C3x User Manual

Page 256

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AR2 read

AR2 written

Resolving Register Conflicts

8-20

Example 8–15. Write to an AR Followed by an AR for Address Generation Without a

Pipeline Conflict

LDI

@TABLE,AR2

MPYF

@VALUE,R1

ADDF

R2,R1

MPYF

*AR2++,R1

SUBF
STF

Pipeline Operation

PC

Fetch

Decode

Read

Execute

n

LDI

n+1

MYPF

LDI

n+2

ADDF

MYPF

LDI

n+3

MYPF

ADDF

MYPF

LDI

n+4

SUBF

MYPF

ADDF

MYPF

n+5

STF

SUBF

MYPF

ADDF

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