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[Bug gas/31319] [2.42 regression]: `.arch i386` is rejected by `x86_64`


From: jbeulich at suse dot com
Subject: [Bug gas/31319] [2.42 regression]: `.arch i386` is rejected by `x86_64` target: 4bit mode not supported on `i386'.
Date: Wed, 31 Jan 2024 09:33:26 +0000

https://sourceware.org/bugzilla/show_bug.cgi?id=31319

Jan Beulich <jbeulich at suse dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2024-01-31
             Status|UNCONFIRMED                 |WAITING

--- Comment #2 from Jan Beulich <jbeulich at suse dot com> ---
So this is precisely the case that the new behavior is intended to catch: It is
meaningless to restrict ISA to i386 when trying to build 64-bit code. In the
kexec example, the .code32 comes too late anyway (would have wanted to be at
least before the label already before); wants moving ahead of the .arch.

IOW for now I view this as neither a bug nor a regression; earlier gas simply
was to lax. I'm open to be convinced otherwise ...

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