This is the mail archive of the
gdb-patches@sourceware.cygnus.com
mailing list for the GDB project.
Re: Unifying i387 support
- To: "J.T. Conklin" <jtc@redback.com>
- Subject: Re: Unifying i387 support
- From: Eli Zaretskii <eliz@delorie.com>
- Date: Tue, 13 Jul 1999 04:50:57 -0400 (EDT)
- CC: gdb-patches@sourceware.cygnus.com, Jim Blandy <jimb@cygnus.com>
> I think Eli was asking whether it would be better to use the FXSAVE
> format introduced with MMX and extended with the SSE instead of the
> FSAVE format described above. It might be worth doing if we're
> going to support MMX and SSE registers.
You don't need FXSAVE to support MMX and SSE, you can simply convert
the FP registers data returned by FNSAVE to the alternate forms. The
DJGPP debug support already does that, but GDB currently doesn't use
this feature.