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FMA3 #29

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Zer0xFF wants to merge 6 commits into jpd002:master from Zer0xFF:FMA3

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Zer0xFF commented Dec 28, 2021 •

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FMA3, This will only work on supported AMD(& Intel?) CPUs

to enable on the emu side, need to replace the following references:
FPU:
https://github.com/jpd002/Play-/blob/master/Source/COP_FPU.cpp#L385
https://github.com/jpd002/Play-/blob/master/Source/COP_FPU.cpp#L396
https://github.com/jpd002/Play-/blob/master/Source/COP_FPU.cpp#L407
https://github.com/jpd002/Play-/blob/master/Source/COP_FPU.cpp#L418

VU*:
https://github.com/jpd002/Play-/blob/master/Source/ee/VUShared.cpp#L394
https://github.com/jpd002/Play-/blob/master/Source/ee/VUShared.cpp#L414
https://github.com/jpd002/Play-/blob/master/Source/ee/VUShared.cpp#L464
https://github.com/jpd002/Play-/blob/master/Source/ee/VUShared.cpp#L482

*Note clamping is causing issues here?

Zer0xFF added 6 commits

December 27, 2021 22:45


          add fused multiply add op

663905e


          implement FPU fused multiply-add and negated-muliply-add x86

02b79e3


          add MD muladd/mulsub jitter op

f7fc559


          implement implement MD fused multiply-add and negated-muliply-add x86-64

c95787e


          add tests

c692e31


          simplify, copy src1 value to dst before operation

73b2b82

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