[fpc-devel] Need some assistance with a test failure
J. Gareth Moreton
gareth at moreton-family.com
Mon Apr 18 16:40:07 CEST 2022
I'm having a problem with a certain test failing on my Sliding
Window-based Assembly-level CSE optimisation over at
Size and speed savings are great and all, but I have one single test
failure on x86_64-linux that I can't work out how to fix, and it is the
only regression on my virtual machine. The logs show some kind of
Would it be possible to have some assistance in pinpointing where and
why the test is failing? If it's a fault in the generated machine code
due to my additions, the problem is incredibly subtle. I've attached
the compressed log (it's 600 KB uncompressed... sorry for the big size
Tomas!), since I don't know enough about this particular component yet
and wondered if anyone woudl be willing to point me in the right direction.
Gareth aka. Kit
P.S. The test fails for me on x86_64-win64 as well, but it also fails on
the trunk, so I'm wondering if it's an unrelated transient problem that
is very sensitive to how the code is generated.
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