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https://github.com/Ryujinx/Ryujinx.git
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* Fix typos * Remove unneeded using statements * Enforce var style more * Remove redundant qualifiers * Fix some indentation * Disable naming warnings on files with external enum names * Fix build * Mass find & replace for comments with no spacing * Standardize todo capitalization and for/if spacing
142 lines
No EOL
3.5 KiB
C#
142 lines
No EOL
3.5 KiB
C#
using ChocolArm64.Decoders;
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using ChocolArm64.IntermediateRepresentation;
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using ChocolArm64.State;
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using ChocolArm64.Translation;
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using System.Reflection.Emit;
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using static ChocolArm64.Instructions.InstEmit32Helper;
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using static ChocolArm64.Instructions.InstEmitAluHelper;
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namespace ChocolArm64.Instructions
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{
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static partial class InstEmit32
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{
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public static void Add(ILEmitterCtx context)
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{
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IOpCode32Alu op = (IOpCode32Alu)context.CurrOp;
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EmitAluLoadOpers(context, setCarry: false);
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context.Emit(OpCodes.Add);
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if (op.SetFlags)
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{
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context.EmitZnFlagCheck();
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EmitAddsCCheck(context);
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EmitAddsVCheck(context);
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}
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EmitAluStore(context);
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}
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public static void Cmp(ILEmitterCtx context)
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{
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IOpCode32Alu op = (IOpCode32Alu)context.CurrOp;
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EmitAluLoadOpers(context, setCarry: false);
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context.Emit(OpCodes.Sub);
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context.EmitZnFlagCheck();
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EmitSubsCCheck(context);
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EmitSubsVCheck(context);
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context.Emit(OpCodes.Pop);
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}
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public static void Mov(ILEmitterCtx context)
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{
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IOpCode32Alu op = (IOpCode32Alu)context.CurrOp;
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EmitAluLoadOper2(context);
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if (op.SetFlags)
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{
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context.EmitZnFlagCheck();
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}
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EmitAluStore(context);
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}
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public static void Sub(ILEmitterCtx context)
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{
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IOpCode32Alu op = (IOpCode32Alu)context.CurrOp;
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EmitAluLoadOpers(context, setCarry: false);
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context.Emit(OpCodes.Sub);
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if (op.SetFlags)
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{
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context.EmitZnFlagCheck();
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EmitSubsCCheck(context);
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EmitSubsVCheck(context);
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}
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EmitAluStore(context);
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}
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private static void EmitAluStore(ILEmitterCtx context)
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{
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IOpCode32Alu op = (IOpCode32Alu)context.CurrOp;
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if (op.Rd == RegisterAlias.Aarch32Pc)
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{
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if (op.SetFlags)
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{
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// TODO: Load SPSR etc.
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context.EmitLdflg((int)PState.TBit);
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ILLabel lblThumb = new ILLabel();
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ILLabel lblEnd = new ILLabel();
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context.Emit(OpCodes.Brtrue_S, lblThumb);
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context.EmitLdc_I4(~3);
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context.Emit(OpCodes.Br_S, lblEnd);
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context.MarkLabel(lblThumb);
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context.EmitLdc_I4(~1);
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context.MarkLabel(lblEnd);
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context.Emit(OpCodes.And);
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context.Emit(OpCodes.Conv_U8);
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context.Emit(OpCodes.Ret);
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}
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else
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{
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EmitAluWritePc(context);
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}
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}
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else
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{
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context.EmitStint(GetRegisterAlias(context.Mode, op.Rd));
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}
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}
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private static void EmitAluWritePc(ILEmitterCtx context)
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{
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context.EmitStoreContext();
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if (IsThumb(context.CurrOp))
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{
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context.EmitLdc_I4(~1);
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context.Emit(OpCodes.And);
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context.Emit(OpCodes.Conv_U8);
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context.Emit(OpCodes.Ret);
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}
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else
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{
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EmitBxWritePc(context);
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}
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}
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}
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} |