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Re: AW: [avr-gcc-list] Compiler error

From: Joerg Wunsch
Subject: Re: AW: [avr-gcc-list] Compiler error
Date: Mon, 30 May 2005 18:49:19 +0200 (MET DST)

"Haase Bjoern (PT-BEU/EMT) *" <address@hidden> wrote:

> IMO, in order to resolve the issue, one would need to teach gcc how
> to place 3-Byte objects in registers.

Which would be kinda neat in order to support the ATmega256's 24-bit
(code) address space, btw.

> IMO this would require substantial changes in the back-end. Namely I
> think that among other things it would be necessary to introduce a
> new basic type with 3-Byte width. The TQFmode (three quarter
> floating point) possibly would do.

Marek also once mentioned that this would become difficult.  Still, it
would be interesting...

cheers, J"org               .-.-.   --... ...--   -.. .  DL8DTL

http://www.sax.de/~joerg/                        NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)

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