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Changed the hash algorithm to CRC32 utilising the SSE4.2 instruction. The algorithm will automatically be used for the Accurate Texture Cache, EFB to RAM and texture id's when a SSE4.2 capable CPU is detected. It will fallback to the old algorithm if SSE4.2 is not detected. Using CRC32 speeds up the hash algorithm by around 2X.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@7060 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
skidau
2011-02-04 08:37:58 +00:00
parent d5f6d2bbae
commit d698e022f5
3 changed files with 161 additions and 93 deletions
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2
Source/Core/Common/Src/Common.h
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@ -155,7 +155,7 @@ private:
#elif __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)
#define _M_SSE 0x301
#elif _MSC_VER >= 1500 // Visual Studio 2008
#define _M_SSE 0x401
#define _M_SSE 0x402
#endif
// Host communication.