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Re: 3.4 PATCH: Consistently use _ABIO32 for _MIPS_SIM
On Oct 9, 2003, Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> wrote:
> * config/mips/{iris6.h, linux.h} used to define _MIPS_SIM for the O32 ABI
> in terms of another macro not defined by gcc itself (or SGI's MIPSpro C,
> for that matter), namely _MIPS_SIM_ABI32.
My understanding is that this made things backward-compatible. Even
if your sgidefs.h doesn't define _MIPS_SIM_ABI32 (because it pre-dates
the existence of multiple ABIs), they will still compare equal. If
your code is written with multiple ABIs in mind, it's entitled to
require _MIPS_SIM to be defined to non-zero, after including
<sgidefs.h>.
If your proposal still guarantees this set of assumptions, I don't
have any problem with it.
--
Alexandre Oliva Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer aoliva@{redhat.com, gcc.gnu.org}
CS PhD student at IC-Unicamp oliva@{lsd.ic.unicamp.br, gnu.org}
Free Software Evangelist Professional serial bug killer