crt saturate add sub#811
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ima need to fix some typoes |
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LLVM does not emit these currently.
Adds routines for signed/unsigned add/subtract overflow/saturation (except for 8 bit since calling convention is undefined for that width)
__*(add/sub)u_overflowoutputs to NC/C__*(add/sub)s_overflowoutputs to PO/PE__*(add/sub)u_satperforms unsigned saturation__*(add/sub)s_overflowperforms signed saturationSome of the overflow routines alias the regular
__*add/__*subroutines