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Implements some 32-bit instructions (VBIC, VTST, VSRA) (#1192)

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* Added some 32 bits instructions:

* VBIC
* VTST
* VSRA

* Incremented the PTC

* Add tests and fix implementation

* Fixed VBIC immediate opcode mapping

* Hey hey!

* Nit.

Co-authored-by: gdkchan <gab.dark.100@gmail.com>
Co-authored-by: LDj3SNuD <dvitiello@gmail.com>
Co-authored-by: LDj3SNuD <35856442+LDj3SNuD@users.noreply.github.com>
This commit is contained in:
Valentin PONS 2020-07-19 14:11:58 -04:00 • committed by GitHub
parent 9d65de74fc
commit 3af2ce74ec
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GPG key ID: 4AEE18F83AFDEB23
10 changed files with 361 additions and 66 deletions
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63
ARMeilleure/Instructions/InstEmitSimdLogical32.cs
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@ -15,7 +15,7 @@ namespace ARMeilleure.Instructions
{
if (Optimizations.UseSse2)
{
EmitVectorBinaryOpF32(context, Intrinsic.X86Pand, Intrinsic.X86Pand);
EmitVectorBinaryOpSimd32(context, (n, m) => context.AddIntrinsic(Intrinsic.X86Pand, n, m));
}
else
{
@ -23,6 +23,54 @@ namespace ARMeilleure.Instructions
}
}
public static void Vbic_I(ArmEmitterContext context)
{
if (Optimizations.UseSse2)
{
EmitVectorBinaryOpSimd32(context, (n, m) => context.AddIntrinsic(Intrinsic.X86Pandn, m, n));
}
else
{
EmitVectorBinaryOpZx32(context, (op1, op2) => context.BitwiseAnd(op1, context.BitwiseNot(op2)));
}
}
public static void Vbic_II(ArmEmitterContext context)
{
OpCode32SimdImm op = (OpCode32SimdImm)context.CurrOp;
long immediate = op.Immediate;
// Replicate fields to fill the 64-bits, if size is < 64-bits.
switch (op.Size)
{
case 0: immediate *= 0x0101010101010101L; break;
case 1: immediate *= 0x0001000100010001L; break;
case 2: immediate *= 0x0000000100000001L; break;
}
Operand imm = Const(immediate);
Operand res = GetVecA32(op.Qd);
if (op.Q)
{
for (int elem = 0; elem < 2; elem++)
{
Operand de = EmitVectorExtractZx(context, op.Qd, elem, 3);
res = EmitVectorInsert(context, res, context.BitwiseAnd(de, context.BitwiseNot(imm)), elem, 3);
}
}
else
{
Operand de = EmitVectorExtractZx(context, op.Qd, op.Vd & 1, 3);
res = EmitVectorInsert(context, res, context.BitwiseAnd(de, context.BitwiseNot(imm)), op.Vd & 1, 3);
}
context.Copy(GetVecA32(op.Qd), res);
}
public static void Vbif(ArmEmitterContext context)
{
EmitBifBit(context, true);
@ -59,7 +107,7 @@ namespace ARMeilleure.Instructions
{
if (Optimizations.UseSse2)
{
EmitVectorBinaryOpF32(context, Intrinsic.X86Pxor, Intrinsic.X86Pxor);
EmitVectorBinaryOpSimd32(context, (n, m) => context.AddIntrinsic(Intrinsic.X86Pxor, n, m));
}
else
{
@ -71,7 +119,7 @@ namespace ARMeilleure.Instructions
{
if (Optimizations.UseSse2)
{
EmitVectorBinaryOpF32(context, Intrinsic.X86Por, Intrinsic.X86Por);
EmitVectorBinaryOpSimd32(context, (n, m) => context.AddIntrinsic(Intrinsic.X86Por, n, m));
}
else
{
@ -115,6 +163,15 @@ namespace ARMeilleure.Instructions
context.Copy(GetVecA32(op.Qd), res);
}
public static void Vtst(ArmEmitterContext context)
{
EmitVectorBinaryOpZx32(context, (op1, op2) =>
{
Operand isZero = context.ICompareEqual(context.BitwiseAnd(op1, op2), Const(0));
return context.ConditionalSelect(isZero, Const(0), Const(-1));
});
}
private static void EmitBifBit(ArmEmitterContext context, bool notRm)
{
OpCode32SimdReg op = (OpCode32SimdReg)context.CurrOp;