Don't use "f" with non-fp types. Use a union to go between
double and uint64_t. Makes clang happy.

Remove clause 3 and 4 from TNF licenses

__asm__ -> __asm

Remove leading __ from __(const|inline|signed|volatile) -- it is obsolete.

Add missing __RCSID()

Update FPSCR_FX consistently per the Programming Environment Manual. So
if any sticky bit is set, FPSCR_FX should be set. If no sticky bits are
set, then FPSCR_FX should be clear.

Deal with the way FP_X_INV works. That maps to FPSCR_VX. However FPSCR_VX
is not a sticky, it's actually an inclusive OR of 9 stick bits. So when
FP_X_INV is cleared, we need to clear all of those

Deal with the way FP_X_INV works. That maps to FPSCR_VX. However FPSCR_VX
is not a sticky, it's actually an inclusive OR of 9 stick bits. So when
FP_X_INV is cleared, we need to clear all of those bits. When FP_X_INV is
set, we set all of them.

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Rather than use magic values, include <powerpc/fpu.h> and use those
definitions to generate the magic bits.

Add internal names for fp{get,set}{mask,round,sticky}(), and
externally-visible weak aliases for the internal names.

Add some casts to make lint shut up. Reviewed by christos.

add the ieeefp functions