Monday, June 05, 2023

Re: program compiled with clang from base runs 4 times slower than compiled with gcc-11.2.0p6 from ports

On 2023-06-05, Kastus Shchuka <openbsd@tprfct.net> wrote:
> Next I tried -fno-fixup-gadgets, and that made a radical difference:

Not entirely a surprise, we have seen this a few times now.
Usually it is fine, but has quite bad effects on some programs,
however it is quite a nice mitigation (big reduction in the
number of available ROP gadgets in compiled code).

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