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Re: bit_size_type - a data type?

From: kenner at vlsi1 dot ultra dot nyu dot edu (Richard Kenner)
To: richard dot guenther at gmail dot com
Cc: gcc at gcc dot gnu dot org, shafitvm at gmail dot com
Date: Mon, 12 May 2008 09:24:30 EDT
Subject: Re: bit_size_type - a data type?
References: <ba0bd44d0805120258r3df0233ck4998aa1b91d1fbbd@mail.gmail.com> <84fc9c000805120311y2d474049od36ff068ef66d268@mail.gmail.com> <10805121126.AA09176@vlsi1.ultra.nyu.edu> <84fc9c000805120532j20d5ed50r977d262bba888da3@mail.gmail.com>

> I gues you'll get funny effects then, as for Nbit sizetype there's
> usually no valid mode for (N+8)bit bitsizetype.  In fact, I believe
> bitsizetype simply "inherits" the mode from sizetype.

No.  We pick the mode that's *at least* 3 bits wider than sizetype, so
it's usually the next larger integer mode.

Follow-Ups:
- Re: bit_size_type - a data type?
  - From: Mohamed Shafi
- Re: bit_size_type - a data type?
  - From: Richard Guenther

References:
- bit_size_type - a data type?
  - From: Mohamed Shafi
- Re: bit_size_type - a data type?
  - From: Richard Guenther
- Re: bit_size_type - a data type?
  - From: Richard Kenner
- Re: bit_size_type - a data type?
  - From: Richard Guenther

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