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
101 lines
3.2 KiB
C#
101 lines
3.2 KiB
C#
using ARMeilleure.Decoders;
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using ARMeilleure.IntermediateRepresentation;
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using ARMeilleure.Translation;
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using System;
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using System.Diagnostics.CodeAnalysis;
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using static ARMeilleure.Instructions.InstEmitHelper;
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namespace ARMeilleure.Instructions
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{
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static partial class InstEmit
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{
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public static void Madd(ArmEmitterContext context) => EmitMul(context, isAdd: true);
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public static void Msub(ArmEmitterContext context) => EmitMul(context, isAdd: false);
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private static void EmitMul(ArmEmitterContext context, bool isAdd)
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{
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OpCodeMul op = (OpCodeMul)context.CurrOp;
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Operand a = GetIntOrZR(context, op.Ra);
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Operand n = GetIntOrZR(context, op.Rn);
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Operand m = GetIntOrZR(context, op.Rm);
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Operand res = context.Multiply(n, m);
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res = isAdd ? context.Add(a, res) : context.Subtract(a, res);
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SetIntOrZR(context, op.Rd, res);
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}
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public static void Smaddl(ArmEmitterContext context) => EmitMull(context, MullFlags.SignedAdd);
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public static void Smsubl(ArmEmitterContext context) => EmitMull(context, MullFlags.SignedSubtract);
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public static void Umaddl(ArmEmitterContext context) => EmitMull(context, MullFlags.Add);
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public static void Umsubl(ArmEmitterContext context) => EmitMull(context, MullFlags.Subtract);
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[Flags]
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[SuppressMessage("Design", "CA1069: Enums values should not be duplicated")]
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private enum MullFlags
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{
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Subtract = 0,
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Add = 1 << 0,
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Signed = 1 << 1,
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SignedAdd = Signed | Add,
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SignedSubtract = Signed | Subtract,
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}
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private static void EmitMull(ArmEmitterContext context, MullFlags flags)
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{
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OpCodeMul op = (OpCodeMul)context.CurrOp;
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Operand GetExtendedRegister32(int index)
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{
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Operand value = GetIntOrZR(context, index);
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if ((flags & MullFlags.Signed) != 0)
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{
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return context.SignExtend32(value.Type, value);
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}
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else
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{
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return context.ZeroExtend32(value.Type, value);
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}
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}
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Operand a = GetIntOrZR(context, op.Ra);
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Operand n = GetExtendedRegister32(op.Rn);
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Operand m = GetExtendedRegister32(op.Rm);
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Operand res = context.Multiply(n, m);
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res = (flags & MullFlags.Add) != 0 ? context.Add(a, res) : context.Subtract(a, res);
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SetIntOrZR(context, op.Rd, res);
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}
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public static void Smulh(ArmEmitterContext context)
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{
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OpCodeMul op = (OpCodeMul)context.CurrOp;
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Operand n = GetIntOrZR(context, op.Rn);
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Operand m = GetIntOrZR(context, op.Rm);
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Operand d = context.Multiply64HighSI(n, m);
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SetIntOrZR(context, op.Rd, d);
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}
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public static void Umulh(ArmEmitterContext context)
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{
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OpCodeMul op = (OpCodeMul)context.CurrOp;
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Operand n = GetIntOrZR(context, op.Rn);
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Operand m = GetIntOrZR(context, op.Rm);
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Operand d = context.Multiply64HighUI(n, m);
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SetIntOrZR(context, op.Rd, d);
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}
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}
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}
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