[Bug 47918] Blur: cars have no wheels when Wine is compiled with Ryzen optimisations
WineHQ Bugzilla
wine-bugs at winehq.org
Thu Oct 10 15:37:56 CDT 2019
https://bugs.winehq.org/show_bug.cgi?id=47918
Felix Hädicke <felixhaedicke at web.de> changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|-unknown |msvcrt
--- Comment #2 from Felix Hädicke <felixhaedicke at web.de> ---
Analyzed the problem further. Compiled msvcr90 with and without Ryzen
optimisations. Then changed the optimisation settings for specific files.
Found out that it is enough to disable -march=znver2 for wcs.c to make it work.
Then I found out that it is enough to disable optimisations for the function
puts_clbk_str() in printf.h. Used __attribute__((optimize("O0"))) for this
function.
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