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C51: REGFILE Directive
Information in this article applies to:
- C51 Version 5 and Later
QUESTION
How do I enable global program-wide register optimization?
ANSWER
The REGFILE directive causes the C51 Compiler to read a register definition file for global register optimization. The register definition file specifies the register usage of external functions. With this information the C51 compiler knows about the register utilization of external functions. This enables global program-wide register optimization.
SEE ALSO
MORE INFORMATION
- Refer to REGFILE in the Cx51 User's Guide.
Last Reviewed: Thursday, February 25, 2021
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