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Re: Regression on 32-bit big-endian targets

From: John Paul Adrian Glaubitz
Subject: Re: Regression on 32-bit big-endian targets
Date: Sat, 12 Dec 2020 19:55:28 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.5.1

On 12/11/20 12:41 PM, John Paul Adrian Glaubitz wrote:
> I'm currently bisecting the problem on a fast POWER server running a 32-bit 
> Debian
> powerpc installation and will hopefully report back soonish.

Bisecting lead me to this change which is probably just hiding the real

(sid_powerpc-dchroot)glaubitz@perotto:~/guile-git$ git bisect good
a68c80c747a2a8ec92fa84684ebd60b4ecb7ffa0 is the first bad commit
commit a68c80c747a2a8ec92fa84684ebd60b4ecb7ffa0
Author: Andy Wingo <>
Date:   Mon May 11 15:22:29 2020 +0200

    Switch to baseline compiler for bootstrap/

    * bootstrap/ (GUILE_OPTIMIZATIONS): Add -Ono-cps so that we
      use the baseline compiler when bootstrapping.

 bootstrap/ | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

I'll try to bisect again with "-Ono-cps" removed after it is introduced.

FWIW, there is a big-endian PowerPC machine available in the gcc compile
farm if anyone wants to help track down this issue [1].


> [1]

 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer -
`. `'   Freie Universitaet Berlin -
  `-    GPG: 62FF 8A75 84E0 2956 9546  0006 7426 3B37 F5B5 F913

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