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Re: proposal to make SIZE_TYPE more flexible
- From: DJ Delorie <dj at redhat dot com>
- To: "Joseph S. Myers" <joseph at codesourcery dot com>
- Cc: gcc at gcc dot gnu dot org
- Date: Thu, 14 Nov 2013 20:47:38 -0500
- Subject: Re: proposal to make SIZE_TYPE more flexible
- Authentication-results: sourceware.org; auth=none
- References: <201310300422 dot r9U4M6Mx002568 at greed dot delorie dot com> <Pine dot LNX dot 4 dot 64 dot 1310301535400 dot 22878 at digraph dot polyomino dot org dot uk> <201310301917 dot r9UJHxg7028662 at greed dot delorie dot com> <Pine dot LNX dot 4 dot 64 dot 1310302035190 dot 29408 at digraph dot polyomino dot org dot uk> <201310302219 dot r9UMJg9e001309 at greed dot delorie dot com> <Pine dot LNX dot 4 dot 64 dot 1310302249250 dot 29408 at digraph dot polyomino dot org dot uk> <201311140158 dot rAE1wCkg006136 at greed dot delorie dot com> <Pine dot LNX dot 4 dot 64 dot 1311141318300 dot 21407 at digraph dot polyomino dot org dot uk> <201311141812 dot rAEICMvn019947 at greed dot delorie dot com> <Pine dot LNX dot 4 dot 64 dot 1311141834250 dot 26499 at digraph dot polyomino dot org dot uk> <201311141848 dot rAEImZQH021307 at greed dot delorie dot com> <Pine dot LNX dot 4 dot 64 dot 1311142132590 dot 16398 at digraph dot polyomino dot org dot uk>
> If you do want types without corresponding modes, that goes back to
> having a hook to list the relevant type sizes.
Perhaps a FRACTIONAL_INT_TYPE() macro then, for when there's no
machine mode to go with it? Although I'm struggling to imagine a case
where a target would need to define a bit-sized type that doesn't
correspond to any machine mode.