[Libre-soc-isa] [Bug 650] write rfc for OpenPower fpr <-> gpr moves/conversions

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=650

--- Comment #38 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to Jacob Lifshay from comment #37)
> Also:
> > Effectively, fmvtgs is a macro-fusion of frsp fmvtg and therefore has the
> > exact same exception and flags behaviour of frsp
> (edit: word wrapping)

> the f64 -> f32 conversion in fp stores is described in the spec v3.1 section
> 4.6.3. it isn't how frsp does it, it's designed to be simpler because it
> doesn't need to round correctly since the input should already be a valid
> f32 value as a f64.

do make sure to update the page on that.

-- 
You are receiving this mail because:
You are on the CC list for the bug.