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Jit: Raise program exception on floating point exceptions

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This is done entirely through interpreter fallbacks. It would
probably be possible to implement this using host exception
handlers instead, but I think it would be a lot of complexity
for a rarely used feature, so let's not do it for now.

For performance reasons, there are two settings for this feature:
One setting which does enables just what True Crime: New York City
needs and one setting which enables it all. The latter makes
almost all float instructions fall back to the interpreter.
This commit is contained in:
JosJuice 2021-08-18 12:39:02 +02:00
commit 9f525d69c8
24 changed files with 216 additions and 88 deletions
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4
Source/Core/Core/NetPlayServer.cpp
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@ -1329,6 +1329,8 @@ bool NetPlayServer::SetupNetSettings()
settings.m_SafeTextureCacheColorSamples =
Config::Get(Config::GFX_SAFE_TEXTURE_CACHE_COLOR_SAMPLES);
settings.m_PerfQueriesEnable = Config::Get(Config::GFX_PERF_QUERIES_ENABLE);
settings.m_FloatExceptions = Config::Get(Config::MAIN_FLOAT_EXCEPTIONS);
settings.m_DivideByZeroExceptions = Config::Get(Config::MAIN_DIVIDE_BY_ZERO_EXCEPTIONS);
settings.m_FPRF = Config::Get(Config::MAIN_FPRF);
settings.m_AccurateNaNs = Config::Get(Config::MAIN_ACCURATE_NANS);
settings.m_DisableICache = Config::Get(Config::MAIN_DISABLE_ICACHE);
@ -1505,6 +1507,8 @@ bool NetPlayServer::StartGame()
spac << m_settings.m_EFBEmulateFormatChanges;
spac << m_settings.m_SafeTextureCacheColorSamples;
spac << m_settings.m_PerfQueriesEnable;
spac << m_settings.m_FloatExceptions;
spac << m_settings.m_DivideByZeroExceptions;
spac << m_settings.m_FPRF;
spac << m_settings.m_AccurateNaNs;
spac << m_settings.m_DisableICache;