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CPU: This PR fixes Fpscr, among other things. (#1433)

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* CPU: This PR fixes Fpscr, among other things.

* Add Fpscr.Qc = 1 if sat. for Vqrshrn & Vqrshrun.

* Fix Vcmp & Vcmpe opcode table.

* Revert "Fix Vcmp & Vcmpe opcode table."

This reverts commit c117d9410d693185ff5f8ee8e457ffbfb2027dd5.

* Address PR feedbacks.
This commit is contained in:
LDj3SNuD
2020-08-08 17:18:51 +02:00
committed by GitHub
parent 8d59ad88b4
commit e36e97c64d
19 changed files with 342 additions and 178 deletions
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18
ARMeilleure/Instructions/InstEmitSimdCmp.cs
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@ -538,9 +538,12 @@ namespace ARMeilleure.Instructions
context.BranchIfFalse(lblNaN, isOrdered);
Operand cf = context.AddIntrinsicInt(Intrinsic.X86Comissge, n, m);
Operand zf = context.AddIntrinsicInt(Intrinsic.X86Comisseq, n, m);
Operand nf = context.AddIntrinsicInt(Intrinsic.X86Comisslt, n, m);
Operand nCopy = context.Copy(n);
Operand mCopy = cmpWithZero ? context.VectorZero() : context.Copy(m);
Operand cf = context.AddIntrinsicInt(Intrinsic.X86Comissge, nCopy, mCopy);
Operand zf = context.AddIntrinsicInt(Intrinsic.X86Comisseq, nCopy, mCopy);
Operand nf = context.AddIntrinsicInt(Intrinsic.X86Comisslt, nCopy, mCopy);
SetFlag(context, PState.VFlag, Const(0));
SetFlag(context, PState.CFlag, cf);
@ -555,9 +558,12 @@ namespace ARMeilleure.Instructions
context.BranchIfFalse(lblNaN, isOrdered);
Operand cf = context.AddIntrinsicInt(Intrinsic.X86Comisdge, n, m);
Operand zf = context.AddIntrinsicInt(Intrinsic.X86Comisdeq, n, m);
Operand nf = context.AddIntrinsicInt(Intrinsic.X86Comisdlt, n, m);
Operand nCopy = context.Copy(n);
Operand mCopy = cmpWithZero ? context.VectorZero() : context.Copy(m);
Operand cf = context.AddIntrinsicInt(Intrinsic.X86Comisdge, nCopy, mCopy);
Operand zf = context.AddIntrinsicInt(Intrinsic.X86Comisdeq, nCopy, mCopy);
Operand nf = context.AddIntrinsicInt(Intrinsic.X86Comisdlt, nCopy, mCopy);
SetFlag(context, PState.VFlag, Const(0));
SetFlag(context, PState.CFlag, cf);