This is the mail archive of the libc-alpha@sourceware.org mailing list for the glibc project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: [PATCH] Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug 23196)


On 05/22/2018 05:06 PM, Andreas Schwab wrote:
On Mai 22 2018, Florian Weimer<fweimer@redhat.com>  wrote:

And with the original reproducer, we wouldn't hit preloop_large, where the
bug is.
Worksforme.

$ string/test-mempcpy

I don't doubt that. Our CPUs probably have different cache sizes, or there are differences in how different glibc versions compute the effective cache size.

Thanks,
Florian


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]