[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

Bug#855606: sqrt() regression on powerpc/jessie

>>>>> Christoph Berg <myon@debian.org> writes:

> Jessie: 0X1.C48C6001F0ABFP+3
> Sid:    0X1.C48C6001F0ACP+3

Looking tat the code glibc switched from fsqrt to a software version,
resulting in the ulp difference.

I see on pgsql-hackers, though, that glibc has enabled fma and as a
result that difference is avoided.

So jessie's libc6 on ppc32 needs to include the fma patch or switch back
to using fsqrt.

James Cloos <cloos@jhcloos.com>         OpenPGP: 0x997A9F17ED7DAEA6

Reply to: