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Re: [PATCH 1/1] Use register g1 instead of g6 in sparc/setjmp.S

From: Corinna Vinschen <vinschen at redhat dot com>
To: newlib at sourceware dot org
Date: Thu, 15 May 2014 15:14:13 +0200
Subject: Re: [PATCH 1/1] Use register g1 instead of g6 in sparc/setjmp.S
Authentication-results: sourceware.org; auth=none
References: <1400143510-27704-1-git-send-email-cederman at gaisler dot com>
Reply-to: newlib at sourceware dot org

On May 15 10:45, Daniel Cederman wrote:
> The SPARC ABI reserves the use of register g6 to the operating system. RTEMS is of late using g6 to keep track of per CPU data. This conflicts with its use in longjmp. Register g1 (or one of the out registers) is more suited for the temporary storage of data in longjmp.
> 
> Best regards,
> Daniel
> 
> 2014-05-15  Daniel Cederman  <...>
> 
>     * libc/machine/sparc/setjmp.S (longjmp): Use register g1 instead of g6.

Patch applied.


Thanks,
Corinna

-- 
Corinna Vinschen
Cygwin Maintainer
Red Hat

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References:
- [PATCH 1/1] Use register g1 instead of g6 in sparc/setjmp.S
  - From: Daniel Cederman

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