mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2025-04-17 19:51:48 +00:00
ff53dcf560
* dotnet format style --severity info Some changes were manually reverted. * dotnet format analyzers --serverity info Some changes have been minimally adapted. * Restore a few unused methods and variables * Silence dotnet format IDE0060 warnings * Silence dotnet format IDE0052 warnings * Address or silence dotnet format IDE1006 warnings * Address or silence dotnet format CA2208 warnings * Address dotnet format CA1822 warnings * Address or silence dotnet format CA1069 warnings * Silence CA1806 and CA1834 issues * Address dotnet format CA1401 warnings * Fix new dotnet-format issues after rebase * Address review comments * Address dotnet format CA2208 warnings properly * Fix formatting for switch expressions * Address most dotnet format whitespace warnings * Apply dotnet format whitespace formatting A few of them have been manually reverted and the corresponding warning was silenced * Add previously silenced warnings back I have no clue how these disappeared * Revert formatting changes for OpCodeTable.cs * Enable formatting for a few cases again * Format if-blocks correctly * Enable formatting for a few more cases again * Fix inline comment alignment * Run dotnet format after rebase and remove unused usings - analyzers - style - whitespace * Disable 'prefer switch expression' rule * Add comments to disabled warnings * Remove a few unused parameters * Adjust namespaces * Simplify properties and array initialization, Use const when possible, Remove trailing commas * Start working on disabled warnings * Fix and silence a few dotnet-format warnings again * Address IDE0251 warnings * Address a few disabled IDE0060 warnings * Silence IDE0060 in .editorconfig * Revert "Simplify properties and array initialization, Use const when possible, Remove trailing commas" This reverts commit 9462e4136c0a2100dc28b20cf9542e06790aa67e. * dotnet format whitespace after rebase * First dotnet format pass * Remove unnecessary formatting exclusion * Add unsafe dotnet format changes * Change visibility of JitSupportDarwin to internal
347 lines
13 KiB
C#
347 lines
13 KiB
C#
using ARMeilleure.IntermediateRepresentation;
|
|
using System;
|
|
using static ARMeilleure.IntermediateRepresentation.Operand.Factory;
|
|
|
|
namespace ARMeilleure.CodeGen.Optimizations
|
|
{
|
|
static class ConstantFolding
|
|
{
|
|
public static void RunPass(Operation operation)
|
|
{
|
|
if (operation.Destination == default || operation.SourcesCount == 0)
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (!AreAllSourcesConstant(operation))
|
|
{
|
|
return;
|
|
}
|
|
|
|
OperandType type = operation.Destination.Type;
|
|
|
|
switch (operation.Instruction)
|
|
{
|
|
case Instruction.Add:
|
|
if (operation.GetSource(0).Relocatable ||
|
|
operation.GetSource(1).Relocatable)
|
|
{
|
|
break;
|
|
}
|
|
|
|
if (type == OperandType.I32)
|
|
{
|
|
EvaluateBinaryI32(operation, (x, y) => x + y);
|
|
}
|
|
else if (type == OperandType.I64)
|
|
{
|
|
EvaluateBinaryI64(operation, (x, y) => x + y);
|
|
}
|
|
break;
|
|
|
|
case Instruction.BitwiseAnd:
|
|
if (type == OperandType.I32)
|
|
{
|
|
EvaluateBinaryI32(operation, (x, y) => x & y);
|
|
}
|
|
else if (type == OperandType.I64)
|
|
{
|
|
EvaluateBinaryI64(operation, (x, y) => x & y);
|
|
}
|
|
break;
|
|
|
|
case Instruction.BitwiseExclusiveOr:
|
|
if (type == OperandType.I32)
|
|
{
|
|
EvaluateBinaryI32(operation, (x, y) => x ^ y);
|
|
}
|
|
else if (type == OperandType.I64)
|
|
{
|
|
EvaluateBinaryI64(operation, (x, y) => x ^ y);
|
|
}
|
|
break;
|
|
|
|
case Instruction.BitwiseNot:
|
|
if (type == OperandType.I32)
|
|
{
|
|
EvaluateUnaryI32(operation, (x) => ~x);
|
|
}
|
|
else if (type == OperandType.I64)
|
|
{
|
|
EvaluateUnaryI64(operation, (x) => ~x);
|
|
}
|
|
break;
|
|
|
|
case Instruction.BitwiseOr:
|
|
if (type == OperandType.I32)
|
|
{
|
|
EvaluateBinaryI32(operation, (x, y) => x | y);
|
|
}
|
|
else if (type == OperandType.I64)
|
|
{
|
|
EvaluateBinaryI64(operation, (x, y) => x | y);
|
|
}
|
|
break;
|
|
|
|
case Instruction.ConvertI64ToI32:
|
|
if (type == OperandType.I32)
|
|
{
|
|
EvaluateUnaryI32(operation, (x) => x);
|
|
}
|
|
break;
|
|
|
|
case Instruction.Compare:
|
|
if (type == OperandType.I32 &&
|
|
operation.GetSource(0).Type == type &&
|
|
operation.GetSource(1).Type == type)
|
|
{
|
|
switch ((Comparison)operation.GetSource(2).Value)
|
|
{
|
|
case Comparison.Equal:
|
|
EvaluateBinaryI32(operation, (x, y) => x == y ? 1 : 0);
|
|
break;
|
|
case Comparison.NotEqual:
|
|
EvaluateBinaryI32(operation, (x, y) => x != y ? 1 : 0);
|
|
break;
|
|
case Comparison.Greater:
|
|
EvaluateBinaryI32(operation, (x, y) => x > y ? 1 : 0);
|
|
break;
|
|
case Comparison.LessOrEqual:
|
|
EvaluateBinaryI32(operation, (x, y) => x <= y ? 1 : 0);
|
|
break;
|
|
case Comparison.GreaterUI:
|
|
EvaluateBinaryI32(operation, (x, y) => (uint)x > (uint)y ? 1 : 0);
|
|
break;
|
|
case Comparison.LessOrEqualUI:
|
|
EvaluateBinaryI32(operation, (x, y) => (uint)x <= (uint)y ? 1 : 0);
|
|
break;
|
|
case Comparison.GreaterOrEqual:
|
|
EvaluateBinaryI32(operation, (x, y) => x >= y ? 1 : 0);
|
|
break;
|
|
case Comparison.Less:
|
|
EvaluateBinaryI32(operation, (x, y) => x < y ? 1 : 0);
|
|
break;
|
|
case Comparison.GreaterOrEqualUI:
|
|
EvaluateBinaryI32(operation, (x, y) => (uint)x >= (uint)y ? 1 : 0);
|
|
break;
|
|
case Comparison.LessUI:
|
|
EvaluateBinaryI32(operation, (x, y) => (uint)x < (uint)y ? 1 : 0);
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case Instruction.Copy:
|
|
if (type == OperandType.I32)
|
|
{
|
|
EvaluateUnaryI32(operation, (x) => x);
|
|
}
|
|
else if (type == OperandType.I64)
|
|
{
|
|
EvaluateUnaryI64(operation, (x) => x);
|
|
}
|
|
break;
|
|
|
|
case Instruction.Divide:
|
|
if (type == OperandType.I32)
|
|
{
|
|
EvaluateBinaryI32(operation, (x, y) => y != 0 ? x / y : 0);
|
|
}
|
|
else if (type == OperandType.I64)
|
|
{
|
|
EvaluateBinaryI64(operation, (x, y) => y != 0 ? x / y : 0);
|
|
}
|
|
break;
|
|
|
|
case Instruction.DivideUI:
|
|
if (type == OperandType.I32)
|
|
{
|
|
EvaluateBinaryI32(operation, (x, y) => y != 0 ? (int)((uint)x / (uint)y) : 0);
|
|
}
|
|
else if (type == OperandType.I64)
|
|
{
|
|
EvaluateBinaryI64(operation, (x, y) => y != 0 ? (long)((ulong)x / (ulong)y) : 0);
|
|
}
|
|
break;
|
|
|
|
case Instruction.Multiply:
|
|
if (type == OperandType.I32)
|
|
{
|
|
EvaluateBinaryI32(operation, (x, y) => x * y);
|
|
}
|
|
else if (type == OperandType.I64)
|
|
{
|
|
EvaluateBinaryI64(operation, (x, y) => x * y);
|
|
}
|
|
break;
|
|
|
|
case Instruction.Negate:
|
|
if (type == OperandType.I32)
|
|
{
|
|
EvaluateUnaryI32(operation, (x) => -x);
|
|
}
|
|
else if (type == OperandType.I64)
|
|
{
|
|
EvaluateUnaryI64(operation, (x) => -x);
|
|
}
|
|
break;
|
|
|
|
case Instruction.ShiftLeft:
|
|
if (type == OperandType.I32)
|
|
{
|
|
EvaluateBinaryI32(operation, (x, y) => x << y);
|
|
}
|
|
else if (type == OperandType.I64)
|
|
{
|
|
EvaluateBinaryI64(operation, (x, y) => x << (int)y);
|
|
}
|
|
break;
|
|
|
|
case Instruction.ShiftRightSI:
|
|
if (type == OperandType.I32)
|
|
{
|
|
EvaluateBinaryI32(operation, (x, y) => x >> y);
|
|
}
|
|
else if (type == OperandType.I64)
|
|
{
|
|
EvaluateBinaryI64(operation, (x, y) => x >> (int)y);
|
|
}
|
|
break;
|
|
|
|
case Instruction.ShiftRightUI:
|
|
if (type == OperandType.I32)
|
|
{
|
|
EvaluateBinaryI32(operation, (x, y) => (int)((uint)x >> y));
|
|
}
|
|
else if (type == OperandType.I64)
|
|
{
|
|
EvaluateBinaryI64(operation, (x, y) => (long)((ulong)x >> (int)y));
|
|
}
|
|
break;
|
|
|
|
case Instruction.SignExtend16:
|
|
if (type == OperandType.I32)
|
|
{
|
|
EvaluateUnaryI32(operation, (x) => (short)x);
|
|
}
|
|
else if (type == OperandType.I64)
|
|
{
|
|
EvaluateUnaryI64(operation, (x) => (short)x);
|
|
}
|
|
break;
|
|
|
|
case Instruction.SignExtend32:
|
|
if (type == OperandType.I32)
|
|
{
|
|
EvaluateUnaryI32(operation, (x) => x);
|
|
}
|
|
else if (type == OperandType.I64)
|
|
{
|
|
EvaluateUnaryI64(operation, (x) => (int)x);
|
|
}
|
|
break;
|
|
|
|
case Instruction.SignExtend8:
|
|
if (type == OperandType.I32)
|
|
{
|
|
EvaluateUnaryI32(operation, (x) => (sbyte)x);
|
|
}
|
|
else if (type == OperandType.I64)
|
|
{
|
|
EvaluateUnaryI64(operation, (x) => (sbyte)x);
|
|
}
|
|
break;
|
|
|
|
case Instruction.ZeroExtend16:
|
|
if (type == OperandType.I32)
|
|
{
|
|
EvaluateUnaryI32(operation, (x) => (ushort)x);
|
|
}
|
|
else if (type == OperandType.I64)
|
|
{
|
|
EvaluateUnaryI64(operation, (x) => (ushort)x);
|
|
}
|
|
break;
|
|
|
|
case Instruction.ZeroExtend32:
|
|
if (type == OperandType.I32)
|
|
{
|
|
EvaluateUnaryI32(operation, (x) => x);
|
|
}
|
|
else if (type == OperandType.I64)
|
|
{
|
|
EvaluateUnaryI64(operation, (x) => (uint)x);
|
|
}
|
|
break;
|
|
|
|
case Instruction.ZeroExtend8:
|
|
if (type == OperandType.I32)
|
|
{
|
|
EvaluateUnaryI32(operation, (x) => (byte)x);
|
|
}
|
|
else if (type == OperandType.I64)
|
|
{
|
|
EvaluateUnaryI64(operation, (x) => (byte)x);
|
|
}
|
|
break;
|
|
|
|
case Instruction.Subtract:
|
|
if (type == OperandType.I32)
|
|
{
|
|
EvaluateBinaryI32(operation, (x, y) => x - y);
|
|
}
|
|
else if (type == OperandType.I64)
|
|
{
|
|
EvaluateBinaryI64(operation, (x, y) => x - y);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
private static bool AreAllSourcesConstant(Operation operation)
|
|
{
|
|
for (int index = 0; index < operation.SourcesCount; index++)
|
|
{
|
|
Operand srcOp = operation.GetSource(index);
|
|
|
|
if (srcOp.Kind != OperandKind.Constant)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
private static void EvaluateUnaryI32(Operation operation, Func<int, int> op)
|
|
{
|
|
int x = operation.GetSource(0).AsInt32();
|
|
|
|
operation.TurnIntoCopy(Const(op(x)));
|
|
}
|
|
|
|
private static void EvaluateUnaryI64(Operation operation, Func<long, long> op)
|
|
{
|
|
long x = operation.GetSource(0).AsInt64();
|
|
|
|
operation.TurnIntoCopy(Const(op(x)));
|
|
}
|
|
|
|
private static void EvaluateBinaryI32(Operation operation, Func<int, int, int> op)
|
|
{
|
|
int x = operation.GetSource(0).AsInt32();
|
|
int y = operation.GetSource(1).AsInt32();
|
|
|
|
operation.TurnIntoCopy(Const(op(x, y)));
|
|
}
|
|
|
|
private static void EvaluateBinaryI64(Operation operation, Func<long, long, long> op)
|
|
{
|
|
long x = operation.GetSource(0).AsInt64();
|
|
long y = operation.GetSource(1).AsInt64();
|
|
|
|
operation.TurnIntoCopy(Const(op(x, y)));
|
|
}
|
|
}
|
|
}
|