> On Jul 14, 2016, at 11:39 PM, David Holland 
> <dholland-sourcechan...@netbsd.org> wrote:
> Can you call this MTC1_HAZARD like the MFC0_HAZARD that got added
> recently elsewhere? It's a pipeline hazard and not a synchronization
> (which to me at least indicates some form of handshake) and it's also
> specific to mtc1/dmtc1.

That's reasonable.

> (also while this code appears to currently be 64-bit only, in the long
> run the condition is wrong...)

Well, O32 handles FP emulation.

So this is really for N32/N64 since they default to softfloat.  They use
64-bit registers so I don't see the point.

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