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Re: 128-bit long long?
- From: "Joseph S. Myers" <jsm at polyomino dot org dot uk>
- To: Zack Weinberg <zack at codesourcery dot com>
- Cc: Scott Robert Ladd <coyote at coyotegulch dot com>, gcc at gcc dot gnu dot org
- Date: Sun, 21 Mar 2004 19:21:03 +0000 (UTC)
- Subject: Re: 128-bit long long?
- References: <405DB46B.80208@coyotegulch.com> <8765cykqws.fsf@egil.codesourcery.com>
On Sun, 21 Mar 2004, Zack Weinberg wrote:
> Best current practice appears to be to provide an "extended integral
> type" __int128. This doesn't have the problems of 'long long' because
> it's not a *basic* integral type (in particular, it cannot be used for
> size_t).
Except it can't be an extended integer type within the meaning of C99
either, because the same ABIs also fix intmax_t to be 64 bits.
--
Joseph S. Myers
jsm@polyomino.org.uk