Everything

 

-Xuse_fmaf


This option generates product-sum operation instructions.

[Specification format]

-Xuse_fmaf

 

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Interpretation when omitted

Product-sum operation instructions are not generated.

[Detailed description]

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

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

[Example of use]

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

>ccrh -Xuse_fmaf -Xcommon=rh850 main.c