Option |
Action |
---|---|
-fma |
(SPARC) Enables automatic generation of floating-point, fused, multiply-add instructions. |
–fns[={no|yes}] |
(SPARC) Disables or enables the SPARC nonstandard floating-point mode. |
–fprecision=p |
x86: Sets floating-point precision mode. |
–fround=r |
Sets IEEE rounding mode in effect at startup. |
–fsimple=n |
Sets floating-point optimization preferences. |
–fstore |
x86: Forces precision of floating-point expressions. |
–ftrap=tlst |
Sets IEEE trapping mode in effect at startup. |
–nofstore |
x86: Disables forced precision of expression. |
–xlibmieee |
Causes libm to return IEEE 754 values for math routines in exceptional cases. |