Compiling GCC for different x86 CPU generation
Andrew Haley
aph@redhat.com
Tue Jul 24 12:17:00 GMT 2018
On 07/24/2018 10:36 AM, Andrew Janke wrote:
> Am I reading this right that a MULX was the offending instruction? That
> sounds right, since it was introduced in Haswell, and this is an older
> Ivy Bridge machine.
Yep. That's all you need to know.
> Unfortunately, the backtrace isn't giving me file names. I guess that's
> because these files weren't compiled with debug symbol info (hence "no
> debugging symbols found")?
That's right.
--
Andrew Haley
Java Platform Lead Engineer
Red Hat UK Ltd. <https://www.redhat.com>
EAC8 43EB D3EF DB98 CC77 2FAD A5CD 6035 332F A671
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