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OpcodeDispatcher: Use orlshl for FCW

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Potentially easier on the RA (bfi has a tied operand), mostly whatever here.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
This commit is contained in:
Alyssa Rosenzweig 2023-09-21 08:50:12 -04:00
parent 5fc8699db9
commit 19eff62c77
1 changed files with 4 additions and 4 deletions
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8
FEXCore/Source/Interface/Core/OpcodeDispatcher/X87.cpp
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@ -100,10 +100,10 @@ OrderedNode *OpDispatchBuilder::ReconstructFSW() {
auto C2 = GetRFLAG(FEXCore::X86State::X87FLAG_C2_LOC);
auto C3 = GetRFLAG(FEXCore::X86State::X87FLAG_C3_LOC);
FSW = _Bfi(OpSize::i64Bit, 1, 8, FSW, C0);
FSW = _Bfi(OpSize::i64Bit, 1, 9, FSW, C1);
FSW = _Bfi(OpSize::i64Bit, 1, 10, FSW, C2);
FSW = _Bfi(OpSize::i64Bit, 1, 14, FSW, C3);
FSW = _Orlshl(OpSize::i64Bit, FSW, C0, 8);
FSW = _Orlshl(OpSize::i64Bit, FSW, C1, 9);
FSW = _Orlshl(OpSize::i64Bit, FSW, C2, 10);
FSW = _Orlshl(OpSize::i64Bit, FSW, C3, 14);
return FSW;
}