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Update AInstEmitSimdHelper.cs

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LDj3SNuD 2018-07-31 12:55:06 +02:00 • committed by GitHub
parent 88434f1114
commit 9864560c52
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1 changed files with 37 additions and 40 deletions
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77
ChocolArm64/Instruction/AInstEmitSimdHelper.cs
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@ -826,8 +826,7 @@ namespace ChocolArm64.Instruction
int Bytes = Op.GetBitsCount() >> 3;
int Elems = !Scalar ? Bytes >> Op.Size : 1;
Context.EmitLdc_I8(0L);
Context.EmitSttmp(); // Saturated = 0
EmitResetSaturatedFlag(Context);
if (Scalar)
{
@ -891,8 +890,7 @@ namespace ChocolArm64.Instruction
int Bytes = Op.GetBitsCount() >> 3;
int Elems = !Scalar ? Bytes >> Op.Size : 1;
Context.EmitLdc_I8(0L);
Context.EmitSttmp(); // Saturated = 0
EmitResetSaturatedFlag(Context);
if (Scalar)
{
@ -1014,8 +1012,7 @@ namespace ChocolArm64.Instruction
int Part = !Scalar && (Op.RegisterSize == ARegisterSize.SIMD128) ? Elems : 0;
Context.EmitLdc_I8(0L);
Context.EmitSttmp(); // Saturated = 0
EmitResetSaturatedFlag(Context);
if (Scalar)
{
@ -1050,7 +1047,7 @@ namespace ChocolArm64.Instruction
EmitUpdateFpsrQCFlag(Context);
}
// TSrc (from 8bit to 64bit) > TDst (from 8bit to 32bit), signed or unsigned.
// TSrc (16bit, 32bit, 64bit) > TDst (8bit, 16bit, 32bit); signed, unsigned.
public static void EmitSatQ(
AILEmitterCtx Context,
int SizeDst,
@ -1076,8 +1073,7 @@ namespace ChocolArm64.Instruction
Context.Emit(OpCodes.Pop);
Context.EmitLdc_I8(1L);
Context.EmitSttmp(); // Saturated = 1
EmitSetSaturatedFlag(Context);
Context.EmitLdc_I8(TMaxValue);
@ -1091,15 +1087,14 @@ namespace ChocolArm64.Instruction
Context.Emit(OpCodes.Pop);
Context.EmitLdc_I8(1L);
Context.EmitSttmp(); // Saturated = 1
EmitSetSaturatedFlag(Context);
Context.EmitLdc_I8(TMinValue);
Context.MarkLabel(LblGeEnd);
}
// TSrc (from 8bit to 64bit) == TDst (from 8bit to 64bit), signed.
// TSrc (8bit, 16bit, 32bit, 64bit) == TDst (8bit, 16bit, 32bit, 64bit); signed.
public static void EmitUnarySignedSatQAbsOrNeg(AILEmitterCtx Context, int Size)
{
int ESize = 8 << Size;
@ -1117,15 +1112,14 @@ namespace ChocolArm64.Instruction
Context.Emit(OpCodes.Pop);
Context.EmitLdc_I8(1L);
Context.EmitSttmp(); // Saturated = 1
EmitSetSaturatedFlag(Context);
Context.EmitLdc_I8(TMaxValue);
Context.MarkLabel(LblFalse);
}
// TSrcs (64bit) == TDst (64bit), signed or unsigned.
// TSrcs (64bit) == TDst (64bit); signed, unsigned.
public static void EmitBinarySatQAdd(AILEmitterCtx Context, int Index, bool Signed)
{
AOpCodeSimdReg Op = (AOpCodeSimdReg)Context.CurrOp;
@ -1165,8 +1159,7 @@ namespace ChocolArm64.Instruction
Context.Emit(OpCodes.Pop);
Context.EmitLdc_I8(1L);
Context.EmitSttmp(); // Saturated = 1
EmitSetSaturatedFlag(Context);
EmitVectorExtractSx(Context, Op.Rn, Index, 3);
Context.Emit(OpCodes.Ldc_I4_0);
@ -1184,7 +1177,7 @@ namespace ChocolArm64.Instruction
}
else
{
long TMaxValue = ~0L;
long TMaxValue = ~0L; // ulong.MaxValue
AILLabel LblGeEnd = new AILLabel();
@ -1198,8 +1191,7 @@ namespace ChocolArm64.Instruction
Context.Emit(OpCodes.Pop);
Context.EmitLdc_I8(1L);
Context.EmitSttmp(); // Saturated = 1
EmitSetSaturatedFlag(Context);
Context.EmitLdc_I8(TMaxValue);
@ -1207,7 +1199,7 @@ namespace ChocolArm64.Instruction
}
}
// TSrcs (64bit) == TDst (64bit), signed or unsigned.
// TSrcs (64bit) == TDst (64bit); signed, unsigned.
public static void EmitBinarySatQSub(AILEmitterCtx Context, int Index, bool Signed)
{
AOpCodeSimdReg Op = (AOpCodeSimdReg)Context.CurrOp;
@ -1246,8 +1238,7 @@ namespace ChocolArm64.Instruction
Context.Emit(OpCodes.Pop);
Context.EmitLdc_I8(1L);
Context.EmitSttmp(); // Saturated = 1
EmitSetSaturatedFlag(Context);
EmitVectorExtractSx(Context, Op.Rn, Index, 3);
Context.Emit(OpCodes.Ldc_I4_0);
@ -1265,7 +1256,7 @@ namespace ChocolArm64.Instruction
}
else
{
long TMinValue = 0L;
long TMinValue = 0L; // ulong.MinValue
AILLabel LblTrue = new AILLabel();
@ -1275,8 +1266,7 @@ namespace ChocolArm64.Instruction
Context.Emit(OpCodes.Pop);
Context.EmitLdc_I8(1L);
Context.EmitSttmp(); // Saturated = 1
EmitSetSaturatedFlag(Context);
Context.EmitLdc_I8(TMinValue);
@ -1284,7 +1274,7 @@ namespace ChocolArm64.Instruction
}
}
// TSrcs (64bit) == TDst (64bit), signed or unsigned.
// TSrcs (64bit) == TDst (64bit); signed, unsigned.
public static void EmitBinarySatQAccumulate(AILEmitterCtx Context, int Index, bool Signed)
{
AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp;
@ -1303,7 +1293,7 @@ namespace ChocolArm64.Instruction
AILLabel LblEnd = new AILLabel();
EmitVectorExtractZx(Context, Op.Rn, Index, 3);
Context.EmitLdc_I8(TMaxValue);
Context.EmitLdc_I8(long.MaxValue);
Context.Emit(OpCodes.Bgt_Un_S, LblGt);
// op1 from ulong.MinValue to (ulong)long.MaxValue
@ -1322,8 +1312,7 @@ namespace ChocolArm64.Instruction
Context.Emit(OpCodes.Pop);
Context.EmitLdc_I8(1L);
Context.EmitSttmp(); // Saturated = 1
EmitSetSaturatedFlag(Context);
Context.EmitLdc_I8(TMaxValue);
@ -1338,8 +1327,7 @@ namespace ChocolArm64.Instruction
Context.Emit(OpCodes.Ldc_I4_0);
Context.Emit(OpCodes.Blt_S, LblLt);
Context.EmitLdc_I8(1L);
Context.EmitSttmp(); // Saturated = 1
EmitSetSaturatedFlag(Context);
Context.EmitLdc_I8(TMaxValue);
@ -1360,8 +1348,7 @@ namespace ChocolArm64.Instruction
Context.Emit(OpCodes.Pop);
Context.EmitLdc_I8(1L);
Context.EmitSttmp(); // Saturated = 1
EmitSetSaturatedFlag(Context);
Context.EmitLdc_I8(TMaxValue);
@ -1369,8 +1356,8 @@ namespace ChocolArm64.Instruction
}
else
{
long TMaxValue = ~0L;
long TMinValue = 0L;
long TMaxValue = ~0L; // ulong.MaxValue
long TMinValue = 0L; // ulong.MinValue
AILLabel LblLt = new AILLabel();
AILLabel LblLe = new AILLabel();
@ -1397,8 +1384,7 @@ namespace ChocolArm64.Instruction
Context.Emit(OpCodes.Pop);
Context.EmitLdc_I8(1L);
Context.EmitSttmp(); // Saturated = 1
EmitSetSaturatedFlag(Context);
Context.EmitLdc_I8(TMaxValue);
@ -1434,8 +1420,7 @@ namespace ChocolArm64.Instruction
Context.Emit(OpCodes.Pop);
Context.EmitLdc_I8(1L);
Context.EmitSttmp(); // Saturated = 1
EmitSetSaturatedFlag(Context);
Context.EmitLdc_I8(TMinValue);
@ -1443,6 +1428,18 @@ namespace ChocolArm64.Instruction
}
}
public static void EmitResetSaturatedFlag(AILEmitterCtx Context)
{
Context.EmitLdc_I8(0L);
Context.EmitSttmp(); // Saturated = 0
}
public static void EmitSetSaturatedFlag(AILEmitterCtx Context)
{
Context.EmitLdc_I8(1L);
Context.EmitSttmp(); // Saturated = 1
}
public static void EmitUpdateFpsrQCFlag(AILEmitterCtx Context)
{
const int QCFlagBit = 27;