[PATCH v3 5/7] x86: Optimize strcmp-avx2.S
Andreas Schwab
schwab@linux-m68k.org
Mon Feb 14 19:35:42 GMT 2022
On Feb 14 2022, H.J. Lu wrote:
> On Mon, Feb 14, 2022 at 11:16 AM Andreas Schwab <schwab@linux-m68k.org> wrote:
>>
>> On Feb 14 2022, H.J. Lu wrote:
>>
>> > On Mon, Feb 14, 2022 at 6:10 AM Andreas Schwab <schwab@linux-m68k.org> wrote:
>> >>
>> >> I'm seeing erroneous behaviour with this. There are random cases of
>> >> misbehaviour on build workers with AVX2, for example:
>> >>
>> >> https://build.opensuse.org/package/live_build_log/home:Andreas_Schwab:glibc/glibc:cross-riscv64/f/x86_64
>> >>
>> >> riscv64-suse-linux-gcc: error: unrecognized command-line option '-frounding-math'
>> >> make[2]: *** [../o-iterator.mk:9: /home/abuild/rpmbuild/BUILD/glibc-2.35.9000.58.g7912236f4a/cc-base/time/tzset.o] Error 1
>> >> make[2]: *** Waiting for unfinished jobs....
>> >
>> > How reproducible is it?
>>
>> 100%.
>>
>
> Can I reproduce it with scripts/build-many-glibcs.py on
> any machine which uses strcmp-avx2.S?
Maybe.
--
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1
"And now for something completely different."
More information about the Libc-alpha
mailing list