Horton

Re: Fix typo 586/686 in atomics/arch-x86.h

Zsolt Parragi <zsolt.parragi@percona.com>

View thread
From: Zsolt Parragi <zsolt.parragi@percona.com>
To: Daniel Gustafsson <daniel@yesql.se>
Cc: John Naylor <johncnaylorls@gmail.com>, Jakub Wartak <jakub.wartak@enterprisedb.com>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>, Andres Freund <andres@anarazel.de>
Date: 2025-12-19T10:13:32Z
Lists: pgsql-hackers 
> It does, but will this affect that?  Does gcc change the CPU arch to 32bit era
> hardware when using -m32?

I did some quick testing with this, normally only __i386__ gets
defined for 32 bit builds (-march=native -m32 for example, but also
the default -march=x86-64 -m32). __i586__ and __i686__ are only there
if I pass the matching -march (i586/i686) flag to gcc.