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Re: accept 64-bit constant addresses in mips n32
On Apr 8, 2003, Thiemo Seufer <ica2_ts at csv dot ica dot uni-stuttgart dot de> wrote:
> Trditionally it does more than that. The purpose of .set mipsX is to
> allow full exploitation of the architecture's capabilities. ABI-imposed
> register width restrictions are the obvious example.
Fine. One thing is to say `it's now ok to use the full 64 bits of
this register for an integer'. Saying `assume pointers can now be
64-bits wide' is pushing it a bit too far. Consider non-literal
values, that have to be loaded from a GOT. Would we have to somehow
generate 64-bit GOT entries if we find .mips3 in an n32 program? I
hope not :-)
--
Alexandre Oliva Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer aoliva at {redhat dot com, gcc.gnu.org}
CS PhD student at IC-Unicamp oliva at {lsd dot ic dot unicamp dot br, gnu.org}
Free Software Evangelist Professional serial bug killer