Re: variable reusing
Daniel Beer <[email protected]>
| Newsgroups | gmane.comp.hardware.texas-instruments.msp430.gcc.user |
|---|---|
| Message-ID | <[email protected]> |
On Tue, May 14, 2013 at 09:26:46PM +0300, Paul Sokolovsky wrote:
> More interesting question is such support for static (if not global)
> variables. When trying to do Elliptic Curve Cryptography on MSP430
> value line devices which top up at 0.5K RAM, you really wish that
> compiler could "pack" together static buffers of functions which cannot
> be active at the same time ;-). If anyone know of that to be done by
> gcc, would be nice to get some pointers.
If you have static buffers which are never in use simultaneously, why
not keep them together in a union { }?
- Daniel
--
Daniel Beer <[email protected]> www.dlbeer.co.nz
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