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Re: [avr-gcc-list] [Patch, avr] Shrink interrupt vector table down to la

From: Senthil Kumar Selvaraj
Subject: Re: [avr-gcc-list] [Patch, avr] Shrink interrupt vector table down to last used entry
Date: Fri, 15 Feb 2013 12:18:40 +0530
User-agent: Mutt/1.5.21 (2010-09-15)

On Thu, Feb 14, 2013 at 10:38:11PM +0530, Weddington, Eric wrote:
> Hi All,
> I open to suggestions on such a feature, but let's talk about it in AVR 
> community first and leave the binutils mailing list out of it until we arrive 
> at a consensus.

Like the others said, the patch does not change the default behavior for
unhandled interrupts - they still branch to __bad_interrupt. The user
would  have to explicitly use the --shrink-ivt option to change that -
at which point, I guess he should be knowing what he's doing.

For what it's worth, I asked about the usefulness of this in avr freaks
a while back
and most people thought it would be useful, provided it can be
controlled by a command line switch. This "optimization" was also
requested when Johann asked for features for the compiler.
by abcminiuser).


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