Jit64: really fix fmrx regression
This is more tricky than I thought!
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@ -224,15 +224,26 @@ void Jit64::fmrx(UGeckoInstruction inst)
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{
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INSTRUCTION_START
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JITDISABLE(bJITFloatingPointOff)
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if (inst.Rc) {
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if (inst.Rc)
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{
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Default(inst); return;
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}
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int d = inst.FD;
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int b = inst.FB;
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if (d != b) {
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if (d != b)
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{
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fpr.Lock(b, d);
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fpr.BindToRegister(d);
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MOVSD(fpr.RX(d), fpr.R(b));
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// we don't need to load d, but if it already is, it must be marked as dirty
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if (fpr.IsBound(d))
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{
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fpr.BindToRegister(d);
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}
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fpr.BindToRegister(b, true, false);
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// caveat: the order of ModRM:r/m, ModRM:reg is deliberate!
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// "MOVSD reg, mem" zeros out the upper half of the destination register
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MOVSD(fpr.R(d), fpr.RX(b));
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fpr.UnlockAll();
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}
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}
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