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Use SSSE3 shuffle for DataReader's DataReadU32xN in VideoCommon. The function is used for reading up to 16 u32's at a time (512-bits) and then converting endianness.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6802 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
xsacha
2011-01-10 13:14:56 +00:00
parent f49efa8868
commit f9e4e73e42
4 changed files with 78 additions and 10 deletions
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2
Source/Core/VideoCommon/Src/DLCache.cpp
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@ -305,7 +305,6 @@ u8 AnalyzeAndRunDisplayList(u32 address, int size, CachedDisplayList *dl)
u32 Cmd2 = DataReadU32();
int transfer_size = ((Cmd2 >> 16) & 15) + 1;
u32 xf_address = Cmd2 & 0xFFFF;
// TODO - speed this up. pshufb?
u32 data_buffer[16];
DataReadU32xFuncs[transfer_size-1](data_buffer);
LoadXFReg(transfer_size, xf_address, data_buffer);
@ -453,7 +452,6 @@ bool CompileAndRunDisplayList(u32 address, int size, CachedDisplayList *dl)
u32 Cmd2 = DataReadU32();
int transfer_size = ((Cmd2 >> 16) & 15) + 1;
u32 xf_address = Cmd2 & 0xFFFF;
// TODO - speed this up. pshufb?
ReferencedDataRegion* NewRegion = new ReferencedDataRegion;
NewRegion->MustClean = true;
NewRegion->size = transfer_size * 4;