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2-1CPU Data Paths and ControlSPRU733
CPU Data Paths and Control
This chapter focuses on the CPU, providing information about the data paths and
control registers. The two register files and the data cross paths are described.
Topic Page
2.1 Introduction 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.2 General-Purpose Register Files 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3 Functional Units 2-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.4 Register File Cross Paths 2-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.5 Memory, Load, and Store Paths 2-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.6 Data Address Paths 2-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.7 Control Register File 2-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.8 Control Register File Extensions 2-23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chapter 2