[Bug 33125] Tomb Raider (2013) game freezes

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=33125

Felix Hädicke <felixhaedicke at web.de> changed:

           What    |Removed                     |Added
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                 CC|                            |felixhaedicke at web.de

--- Comment #54 from Felix Hädicke <felixhaedicke at web.de> 2013-04-06 20:47:49 CDT ---
For me, The freeze is gone in Wine 1.5.27 (Linux) after compiling with one of
the following changes:
* revert commit 4adfb787f4e8c36a37ce1d53a7e6df16d03ecd8a
* unmodified 1.5.27 sources, but without optimizations: CFLAGS="-O0"

The latter could be an option to try on Mac OS X (I don't have a Mac, so I
cannot try it myself), because reverting the commit is useless on Mac OS X. But
it is of course not a real solution for this game, because missing optimization
leads to a serious performance impact for particularly for DirectX software.

Another attemt was to compile Wine with the reverted commit
4adfb787f4e8c36a37ce1d53a7e6df16d03ecd8a and CFLAGS="-O2 -mstackrealign". I had
expected that the deadlock would also occur, because from my understanding the
compiler option "-mstackrealign" has the same effect for all functions as the
function attribute "force_align_arg_pointer" (which the commit adds for
__stdcall / __cdecl functions).

More information about stack alignment issues can be found in Wine Bug 22316
and the following GCC bug entry:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40838. But I do not have the
knowledge to judge if our bug is caused by a GCC bug or if it is a bug in Wine.

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