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Re: [avr-libc-dev] [bugs #4101] setjmp/longjmp destroy changes in global

From: Dmitry K.
Subject: Re: [avr-libc-dev] [bugs #4101] setjmp/longjmp destroy changes in global registers
Date: Sat, 15 Jan 2005 17:57:56 +1000
User-agent: KMail/1.5 
On Friday 14 January 2005 16:20, you wrote:
[...]
> > > I use avr-gcc 3.3 branch only.
> > > I try 3.4.1: generated code differ !!!
>
> That probably means we should also make sure it will work on the
> pre-4.0 GCC version.

I have try GCC 4.0-20050109: result is equal 3.4.1 (no call-saved
registers preservation).

It is a pity...  16 bytes in a stack are better, then ones are in a
jmp_buf, commonly static.

Dmitry.
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