Re: [Nasm-devel] [nasm:master] insns.dat: Add SMSW for 64 bit mode

[Cyrill G. <gor...@gm...>]

On Tue, Sep 15, 2015 at 12:36:33PM -0700, H. Peter Anvin wrote:
> > @@ -1286,6 +1286,7 @@ SMSW		mem				[m:	0f 01 /4]				286
> >  SMSW		mem16				[m:	0f 01 /4]				286
> >  SMSW		reg16				[m:	o16 0f 01 /4]				286
> >  SMSW		reg32				[m:	o32 0f 01 /4]				386
> > +SMSW		reg64				[m:	o64 0f 01 /4]				X64
> >  STC		void				[	f9]					8086
> >  STD		void				[	fd]					8086
> >  STI		void				[	fb]					8086
> > 
> 
> In optimizing mode (only!) we really should generate this without a REX
> prefix since it is equivalent, though.  There are some patterns like
> that already (look for the OPT flag.)

Managed to miss the mail :) Thank, will do!