Re: [PATCH v2 2/3] x86/cpu/intel: Simplify F00F bug notice using pr_notice_once()
From: H. Peter Anvin
Date: Tue May 26 2026 - 16:50:06 EST
On May 26, 2026 12:15:19 PM PDT, "Maciej W. Rozycki" <macro@xxxxxxxxxxx> wrote:
>On Tue, 26 May 2026, Christian Ludloff wrote:
>
>> > > > This actually continues getting serious use, most recently for glibc ISO
>> > > > C formatted input/output test coverage improvement and the x87 FP formats.
>>
>> x87 testing... on a Pentium?
>
> Yes, 32-bit x86 remains a supported target with the GNU C library, down
>to i486 I believe, that includes dedicated platform code such as for the
>80-bit extended format, so this was a good portability exercise, given
>that the scope of the tests were floating-point formatted input/output
>specifiers, not previously sufficiently covered.
>
> Maciej
However, x87 should be testable on any x86 silicon.