Development Tools

-Xuse_fmaf

This option generates product-sum operation instructions.

[Specification format]

-Xuse_fmaf

-	Interpretation when omitted

Product-sum operation instructions are not generated.

[Detailed description]

-	This option generates product-sum operation instructions (fmaf.s, fmsf.s, fnmaf.s, and fnmsf.s) for single-precision floating-point product-sum operations.

-	Specifying this option will accelerate the execution speed but change the operation precision.

[Example of use]

-	To generate product-sum operation instructions for single-precision floating-point product-sum operations, describe as:

>ccrh -Xuse_fmaf -Xcommon=rh850 main.c