-fpu


< Compile Options / Optimize Options >

[Format]

-fpu

 

-

[Default]

The default for this option is fpu when the Instruction-code set as the ISA *1.

The default for this option is nofpu (when RX200 is selected as the target CPU *2) or fpu (in other cases).

Note

*1) This means a selection by the -isa option or the ISA_RX environment variable.

*2) This means a selection by the -cpu option or the CPU_RX environment variable.

[Description]

-

When the fpu option is specified, a code using single-precision floating-point processing instructions is generated.

[Remarks]

-

For details of the single-precision floating-point processing instructions, refer to the RX Family Software Manual.

-

When RX200 is selected as the CPU, an error will occur if fpu is specified.