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IAR Embedded Workbench for RX 5.20

--nosave_tfu

In this section:
Syntax

--nosave_tfu

Description

Does not save the Arithmetic Unit for Trigonometric Functions (TFU) v2 registers in interrupt functions, unless overridden by the __tfu object attribute.

Caution

Project>Options>C/C++ Compiler>Code>Trigonometric Functions Unit

If the Trigonometric Functions Unit option is not selected in the IDE, then the ‑‑nosave_tfu option will be available on the command line. If the Trigonometric Functions Unit option is selected in the IDE, then the ‑‑nosave_tfu option will not be available on the command line.