ARM Technical Support Knowledge Articles

USING THE C509 MULTIPLY/DIVIDE UNIT

Applies to: C51 C Compiler

Answer


Information in this article applies to:


QUESTION

Do the Keil floating-point math routines actually use the multiply/divide unit in the C509 as it does in the 80517?

ANSWER

Yes. Note that you must use the MOD517 compiler directive to enable use of the multiply/divide unit.

Article last edited on: 2004-06-16 15:38:10

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