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Re: Packing booleans?
- From: "Sam Lauber" <sam124 at operamail dot com>
- To: gcc at gcc dot gnu dot org
- Date: Thu, 05 May 2005 02:58:06 +0100
- Subject: Re: Packing booleans?
> If this were being done at the level of register allocation, why would
> one need a user visible option? 'Just' rearrange the register file to look
> like a set of single bit registers overlaid on a more conventional register
> file.
As someone pointed out, this might change semantics (read: screw up ;-)
of the * and & operators: &somebool, though it would be placed into memory,
wouldn't deserve an address, since most[1] architechures aren't bit-
adressable.
Samuel Lauber
[1] I said ``some'', not ``all'', because the TMS340x0 port is.
--
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