[Bug target/86735] [8/9 Regression] Bad wrong-code bug with "-march=skylake-avx512 -Ofast"

janus at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Sat Aug 4 07:32:00 GMT 2018


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86735

--- Comment #18 from janus at gcc dot gnu.org ---
(In reply to janus from comment #17)
> However, I see the buggy behavior also with sde64 (on
> the same machine where I also see it in real HW, see comment 16).

But then again, I don't see it with sde64 on a different machine:
* Ubuntu 16.04
* kernel 4.15.0
* glibc 2.23
* binutils 2.26

Kernel version (and gcc trunk version) is the same. So what could it be that
makes the difference? glibc? binutils? Something else?


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