- Don't touch the trap flags (though on all ARMv8 I know they have no
effect anyway).
- Don't clear any existing raised exception flags; just add to them.
XXX atf test
XXX pullup-9
- fesetenv is supposed to set the stored rounding mode (and stored trap
settings, but they have no effect on any ARMv8 I know).
- feupdateenv is supposed to re-raise the exceptions that were raised
in the environment when it was called.
XXX atf test
XXX pullup-9
Similarly, when hardware NaN propagation is available, disable
default-NaN substitution.
This enables IEEE 754 semantics on any hardware that supports it by
default. Programs that want flush-to-zero or default-NaN substitution
can enable them explicitly.
ok ryo@
restore ABI compatibility with previous releases for ieeefp.h on sh3.
add namespace.h protection for all the fenv interfaces.
use MKSOFTFLOAT on sh3 instead of assuming softfloat.
standardize on comparing MKSOFTFLOAT with "no".
remove the arm-specific softfloat fenv code (which also had several bugs).
fix logic errors in the arm hardfloat feraiseexcept() and feupdateenv().
riastradh