719 lines
No EOL
20 KiB
C#
719 lines
No EOL
20 KiB
C#
using ChocolArm64.Decoder;
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using ChocolArm64.State;
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using ChocolArm64.Translation;
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using System;
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using System.Reflection;
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using System.Reflection.Emit;
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namespace ChocolArm64.Instruction
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{
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static partial class AInstEmit
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{
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public static void Addp_S(AILEmitterCtx Context)
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{
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AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp;
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Context.EmitLdvec(Op.Rn);
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Context.EmitLdc_I4(Op.Size);
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ASoftFallback.EmitCall(Context, nameof(ASoftFallback.Addp_S));
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Context.EmitStvec(Op.Rd);
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}
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public static void Dup_S(AILEmitterCtx Context)
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{
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AOpCodeSimdIns Op = (AOpCodeSimdIns)Context.CurrOp;
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Context.EmitLdvec(Op.Rn);
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Context.EmitLdc_I4(Op.DstIndex);
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Context.EmitLdc_I4(Op.Size);
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ASoftFallback.EmitCall(Context, nameof(ASoftFallback.Dup_S));
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Context.EmitStvec(Op.Rd);
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}
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public static void Fabs_S(AILEmitterCtx Context)
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{
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AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp;
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Context.EmitLdvecsf(Op.Rn);
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MethodInfo MthdInfo;
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if (Op.Size == 0)
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{
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MthdInfo = typeof(MathF).GetMethod(nameof(MathF.Abs), new Type[] { typeof(float) });
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}
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else if (Op.Size == 1)
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{
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MthdInfo = typeof(Math).GetMethod(nameof(Math.Abs), new Type[] { typeof(double) });
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}
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else
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{
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throw new InvalidOperationException();
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}
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Context.EmitCall(MthdInfo);
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Context.EmitStvecsf(Op.Rd);
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}
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public static void Fadd_S(AILEmitterCtx Context) => EmitScalarOp(Context, OpCodes.Add);
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public static void Fccmp_S(AILEmitterCtx Context)
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{
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AOpCodeSimdFcond Op = (AOpCodeSimdFcond)Context.CurrOp;
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AILLabel LblTrue = new AILLabel();
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AILLabel LblEnd = new AILLabel();
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Context.EmitCondBranch(LblTrue, Op.Cond);
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//TODO: Share this logic with Ccmp.
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Context.EmitLdc_I4((Op.NZCV >> 0) & 1);
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Context.EmitStflg((int)APState.VBit);
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Context.EmitLdc_I4((Op.NZCV >> 1) & 1);
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Context.EmitStflg((int)APState.CBit);
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Context.EmitLdc_I4((Op.NZCV >> 2) & 1);
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Context.EmitStflg((int)APState.ZBit);
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Context.EmitLdc_I4((Op.NZCV >> 3) & 1);
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Context.EmitStflg((int)APState.NBit);
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Context.Emit(OpCodes.Br_S, LblEnd);
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Context.MarkLabel(LblTrue);
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Fcmp_S(Context);
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Context.MarkLabel(LblEnd);
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}
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public static void Fcmp_S(AILEmitterCtx Context)
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{
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AOpCodeSimdReg Op = (AOpCodeSimdReg)Context.CurrOp;
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bool CmpWithZero = !(Op is AOpCodeSimdFcond) ? Op.Bit3 : false;
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//todo
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//Context.TryMarkCondWithoutCmp();
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void EmitLoadOpers()
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{
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Context.EmitLdvecsf(Op.Rn);
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if (CmpWithZero)
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{
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EmitLdcImmF(Context, 0, Op.Size);
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}
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else
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{
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Context.EmitLdvecsf(Op.Rm);
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}
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}
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//Z = Rn == Rm
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EmitLoadOpers();
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Context.Emit(OpCodes.Ceq);
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Context.Emit(OpCodes.Dup);
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Context.EmitStflg((int)APState.ZBit);
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//C = Rn >= Rm
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EmitLoadOpers();
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Context.Emit(OpCodes.Cgt);
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Context.Emit(OpCodes.Or);
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Context.EmitStflg((int)APState.CBit);
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//N = Rn < Rm
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EmitLoadOpers();
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Context.Emit(OpCodes.Clt);
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Context.EmitStflg((int)APState.NBit);
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//Handle NaN case. If any number is NaN, then NZCV = 0011.
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AILLabel LblNotNaN = new AILLabel();
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if (CmpWithZero)
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{
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EmitNaNCheck(Context, Op.Rn);
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}
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else
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{
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EmitNaNCheck(Context, Op.Rn);
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EmitNaNCheck(Context, Op.Rm);
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Context.Emit(OpCodes.Or);
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}
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Context.Emit(OpCodes.Brfalse_S, LblNotNaN);
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Context.EmitLdc_I4(1);
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Context.EmitLdc_I4(1);
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Context.EmitStflg((int)APState.CBit);
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Context.EmitStflg((int)APState.VBit);
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Context.MarkLabel(LblNotNaN);
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}
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public static void Fcmpe_S(AILEmitterCtx Context)
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{
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//TODO: Raise exception if value is NaN, how to handle exceptions?
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Fcmp_S(Context);
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}
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public static void Fcsel_S(AILEmitterCtx Context)
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{
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AOpCodeSimdFcond Op = (AOpCodeSimdFcond)Context.CurrOp;
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AILLabel LblTrue = new AILLabel();
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AILLabel LblEnd = new AILLabel();
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Context.EmitCondBranch(LblTrue, Op.Cond);
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Context.EmitLdvecsf(Op.Rm);
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Context.EmitStvecsf(Op.Rd);
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Context.Emit(OpCodes.Br_S, LblEnd);
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Context.MarkLabel(LblTrue);
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Context.EmitLdvecsf(Op.Rn);
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Context.EmitStvecsf(Op.Rd);
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Context.MarkLabel(LblEnd);
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}
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public static void Fcvt_S(AILEmitterCtx Context)
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{
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AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp;
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Context.EmitLdvecsf(Op.Rn);
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EmitFloatCast(Context, Op.Opc);
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Context.EmitStvecsf(Op.Rd);
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}
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public static void Fcvtms_S(AILEmitterCtx Context) => EmitMathOpCvtToInt(Context, nameof(Math.Floor));
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public static void Fcvtps_S(AILEmitterCtx Context) => EmitMathOpCvtToInt(Context, nameof(Math.Ceiling));
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public static void Fcvtzs_S(AILEmitterCtx Context) => EmitFcvtz_(Context, true);
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public static void Fcvtzu_S(AILEmitterCtx Context) => EmitFcvtz_(Context, false);
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private static void EmitFcvtz_(AILEmitterCtx Context, bool Signed)
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{
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AOpCodeSimdCvt Op = (AOpCodeSimdCvt)Context.CurrOp;
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Context.EmitLdvecsf(Op.Rn);
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if (Signed)
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{
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EmitCvtToInt(Context, Op.Size);
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}
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else
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{
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EmitCvtToUInt(Context, Op.Size);
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}
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Context.EmitStintzr(Op.Rd);
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}
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public static void Fcvtzs_Fix(AILEmitterCtx Context) => EmitFcvtz__Fix(Context, true);
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public static void Fcvtzu_Fix(AILEmitterCtx Context) => EmitFcvtz__Fix(Context, false);
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private static void EmitFcvtz__Fix(AILEmitterCtx Context, bool Signed)
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{
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AOpCodeSimdCvt Op = (AOpCodeSimdCvt)Context.CurrOp;
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Context.EmitLdvecsf(Op.Rn);
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EmitLdcImmF(Context, 1L << Op.FBits, Op.Size);
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Context.Emit(OpCodes.Mul);
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if (Signed)
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{
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EmitCvtToInt(Context, Op.Size);
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}
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else
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{
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EmitCvtToUInt(Context, Op.Size);
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}
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Context.EmitStintzr(Op.Rd);
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}
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public static void Fdiv_S(AILEmitterCtx Context) => EmitScalarOp(Context, OpCodes.Div);
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public static void Fmadd_S(AILEmitterCtx Context)
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{
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AOpCodeSimdReg Op = (AOpCodeSimdReg)Context.CurrOp;
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Context.EmitLdvecsf(Op.Ra);
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Context.EmitLdvecsf(Op.Rn);
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Context.EmitLdvecsf(Op.Rm);
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Context.Emit(OpCodes.Mul);
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Context.Emit(OpCodes.Add);
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Context.EmitStvecsf(Op.Rd);
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}
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public static void Fmax_S(AILEmitterCtx Context) => EmitMathOp3(Context, nameof(Math.Max));
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public static void Fmin_S(AILEmitterCtx Context) => EmitMathOp3(Context, nameof(Math.Min));
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public static void Fmaxnm_S(AILEmitterCtx Context) => EmitMathOp3(Context, nameof(Math.Max));
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public static void Fminnm_S(AILEmitterCtx Context) => EmitMathOp3(Context, nameof(Math.Min));
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public static void Fmov_S(AILEmitterCtx Context)
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{
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AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp;
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Context.EmitLdvecsf(Op.Rn);
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Context.EmitStvecsf(Op.Rd);
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}
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public static void Fmov_Si(AILEmitterCtx Context)
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{
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AOpCodeSimdFmov Op = (AOpCodeSimdFmov)Context.CurrOp;
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Context.EmitLdc_I8(Op.Imm);
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Context.EmitLdc_I4(0);
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Context.EmitLdc_I4(Op.Size + 2);
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ASoftFallback.EmitCall(Context, nameof(ASoftFallback.Fmov_S));
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Context.EmitStvec(Op.Rd);
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}
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public static void Fmov_Ftoi(AILEmitterCtx Context)
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{
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AOpCodeSimdCvt Op = (AOpCodeSimdCvt)Context.CurrOp;
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Context.EmitLdvecsi(Op.Rn);
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Context.EmitStintzr(Op.Rd);
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}
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public static void Fmov_Itof(AILEmitterCtx Context)
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{
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AOpCodeSimdCvt Op = (AOpCodeSimdCvt)Context.CurrOp;
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Context.EmitLdintzr(Op.Rn);
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Context.EmitStvecsi(Op.Rd);
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}
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public static void Fmov_Ftoi1(AILEmitterCtx Context)
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{
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AOpCodeSimdCvt Op = (AOpCodeSimdCvt)Context.CurrOp;
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Context.EmitLdvec(Op.Rn);
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Context.EmitLdc_I4(1);
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Context.EmitLdc_I4(3);
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ASoftFallback.EmitCall(Context, nameof(ASoftFallback.ExtractVec));
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Context.EmitStintzr(Op.Rd);
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}
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public static void Fmov_Itof1(AILEmitterCtx Context)
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{
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AOpCodeSimdCvt Op = (AOpCodeSimdCvt)Context.CurrOp;
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Context.EmitLdintzr(Op.Rn);
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Context.EmitLdc_I4(1);
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Context.EmitLdc_I4(3);
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ASoftFallback.EmitCall(Context, nameof(ASoftFallback.Fmov_S));
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Context.EmitStvec(Op.Rd);
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}
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public static void Fmsub_S(AILEmitterCtx Context)
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{
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AOpCodeSimdReg Op = (AOpCodeSimdReg)Context.CurrOp;
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Context.EmitLdvecsf(Op.Ra);
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Context.EmitLdvecsf(Op.Rn);
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Context.Emit(OpCodes.Neg);
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Context.EmitLdvecsf(Op.Rm);
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Context.Emit(OpCodes.Mul);
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Context.Emit(OpCodes.Sub);
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Context.EmitStvecsf(Op.Rd);
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}
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public static void Fmul_S(AILEmitterCtx Context) => EmitScalarOp(Context, OpCodes.Mul);
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public static void Fneg_S(AILEmitterCtx Context) => EmitScalarOp(Context, OpCodes.Neg);
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public static void Fnmul_S(AILEmitterCtx Context)
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{
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AOpCodeSimdReg Op = (AOpCodeSimdReg)Context.CurrOp;
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Context.EmitLdvecsf(Op.Rn);
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Context.EmitLdvecsf(Op.Rm);
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Context.Emit(OpCodes.Mul);
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Context.Emit(OpCodes.Neg);
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Context.EmitStvecsf(Op.Rd);
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}
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public static void Frinta_S(AILEmitterCtx Context)
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{
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AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp;
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Context.EmitLdvecsf(Op.Rn);
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Context.EmitLdc_I4((int)MidpointRounding.AwayFromZero);
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MethodInfo MthdInfo;
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if (Op.Size == 0)
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{
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Type[] Types = new Type[] { typeof(float), typeof(MidpointRounding) };
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MthdInfo = typeof(MathF).GetMethod(nameof(MathF.Round), Types);
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}
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else if (Op.Size == 1)
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{
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Type[] Types = new Type[] { typeof(double), typeof(MidpointRounding) };
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MthdInfo = typeof(Math).GetMethod(nameof(Math.Round), Types);
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}
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else
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{
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throw new InvalidOperationException();
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}
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Context.EmitCall(MthdInfo);
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Context.EmitStvecsf(Op.Rd);
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}
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public static void Frintm_S(AILEmitterCtx Context)
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{
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AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp;
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Context.EmitLdvecsf(Op.Rn);
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MethodInfo MthdInfo;
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if (Op.Size == 0)
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{
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MthdInfo = typeof(MathF).GetMethod(nameof(MathF.Floor), new Type[] { typeof(float) });
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}
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else if (Op.Size == 1)
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{
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MthdInfo = typeof(Math).GetMethod(nameof(Math.Floor), new Type[] { typeof(double) });
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}
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else
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{
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throw new InvalidOperationException();
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}
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Context.EmitCall(MthdInfo);
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Context.EmitStvecsf(Op.Rd);
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}
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public static void Fsqrt_S(AILEmitterCtx Context) => EmitMathOp2(Context, nameof(Math.Sqrt));
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public static void Fsub_S(AILEmitterCtx Context) => EmitScalarOp(Context, OpCodes.Sub);
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public static void Scvtf_Gp(AILEmitterCtx Context)
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{
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AOpCodeSimdCvt Op = (AOpCodeSimdCvt)Context.CurrOp;
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Context.EmitLdintzr(Op.Rn);
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EmitFloatCast(Context, Op.Size);
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Context.EmitStvecsf(Op.Rd);
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}
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public static void Scvtf_S(AILEmitterCtx Context)
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{
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AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp;
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Context.EmitLdvecsi(Op.Rn);
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EmitFloatCast(Context, Op.Size);
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Context.EmitStvecsf(Op.Rd);
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}
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public static void Shl_S(AILEmitterCtx Context)
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{
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AOpCodeSimdShImm Op = (AOpCodeSimdShImm)Context.CurrOp;
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Context.EmitLdvecsi(Op.Rn);
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Context.EmitLdc_I4(Op.Imm - (8 << Op.Size));
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Context.Emit(OpCodes.Shl);
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Context.EmitStvecsi(Op.Rd);
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}
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public static void Sshr_S(AILEmitterCtx Context)
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{
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AOpCodeSimdShImm Op = (AOpCodeSimdShImm)Context.CurrOp;
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Context.EmitLdvecsi(Op.Rn);
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Context.EmitLdc_I4((8 << (Op.Size + 1)) - Op.Imm);
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Context.Emit(OpCodes.Shr);
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Context.EmitStvecsi(Op.Rd);
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}
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public static void Sub_S(AILEmitterCtx Context)
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{
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AOpCodeSimdReg Op = (AOpCodeSimdReg)Context.CurrOp;
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Context.EmitLdvecsi(Op.Rn);
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Context.EmitLdvecsi(Op.Rm);
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Context.Emit(OpCodes.Sub);
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Context.EmitStvecsi(Op.Rd);
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}
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public static void Ucvtf_Gp(AILEmitterCtx Context)
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{
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AOpCodeSimdCvt Op = (AOpCodeSimdCvt)Context.CurrOp;
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Context.EmitLdintzr(Op.Rn);
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Context.Emit(OpCodes.Conv_R_Un);
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EmitFloatCast(Context, Op.Size);
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Context.EmitStvecsf(Op.Rd);
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}
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private static void EmitScalarOp(AILEmitterCtx Context, OpCode ILOp)
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{
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AOpCodeSimdReg Op = (AOpCodeSimdReg)Context.CurrOp;
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Context.EmitLdvecsf(Op.Rn);
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//Negate and Not are the only unary operations supported on IL.
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//"Not" doesn't work with floats, so we don't need to compare it.
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if (ILOp != OpCodes.Neg)
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{
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Context.EmitLdvecsf(Op.Rm);
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}
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Context.Emit(ILOp);
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Context.EmitStvecsf(Op.Rd);
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}
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private static void EmitMathOp2(AILEmitterCtx Context, string Name)
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{
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AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp;
|
|
|
|
Context.EmitLdvecsf(Op.Rn);
|
|
|
|
EmitMathOpCall(Context, Name);
|
|
|
|
Context.EmitStvecsf(Op.Rd);
|
|
}
|
|
|
|
private static void EmitMathOp3(AILEmitterCtx Context, string Name)
|
|
{
|
|
AOpCodeSimdReg Op = (AOpCodeSimdReg)Context.CurrOp;
|
|
|
|
Context.EmitLdvecsf(Op.Rn);
|
|
Context.EmitLdvecsf(Op.Rm);
|
|
|
|
MethodInfo MthdInfo;
|
|
|
|
if (Op.Size == 0)
|
|
{
|
|
MthdInfo = typeof(MathF).GetMethod(Name, new Type[] { typeof(float), typeof(float) });
|
|
}
|
|
else if (Op.Size == 1)
|
|
{
|
|
MthdInfo = typeof(Math).GetMethod(Name, new Type[] { typeof(double), typeof(double) });
|
|
}
|
|
else
|
|
{
|
|
throw new InvalidOperationException();
|
|
}
|
|
|
|
Context.EmitCall(MthdInfo);
|
|
|
|
Context.EmitStvecsf(Op.Rd);
|
|
}
|
|
|
|
public static void EmitMathOpCvtToInt(AILEmitterCtx Context, string Name)
|
|
{
|
|
AOpCodeSimdCvt Op = (AOpCodeSimdCvt)Context.CurrOp;
|
|
|
|
Context.EmitLdvecsf(Op.Rn);
|
|
|
|
EmitMathOpCall(Context, Name);
|
|
|
|
EmitCvtToInt(Context, Op.Size);
|
|
|
|
Context.EmitStintzr(Op.Rd);
|
|
}
|
|
|
|
private static void EmitMathOpCall(AILEmitterCtx Context, string Name)
|
|
{
|
|
IAOpCodeSimd Op = (IAOpCodeSimd)Context.CurrOp;
|
|
|
|
MethodInfo MthdInfo;
|
|
|
|
if (Op.Size == 0)
|
|
{
|
|
MthdInfo = typeof(MathF).GetMethod(Name);
|
|
}
|
|
else if (Op.Size == 1)
|
|
{
|
|
MthdInfo = typeof(Math).GetMethod(Name);
|
|
}
|
|
else
|
|
{
|
|
throw new InvalidOperationException();
|
|
}
|
|
|
|
Context.EmitCall(MthdInfo);
|
|
}
|
|
|
|
private static void EmitCvtToInt(AILEmitterCtx Context, int Size)
|
|
{
|
|
if (Size < 0 || Size > 1)
|
|
{
|
|
throw new ArgumentOutOfRangeException(nameof(Size));
|
|
}
|
|
|
|
Context.EmitLdc_I4(0);
|
|
|
|
if (Context.CurrOp.RegisterSize == ARegisterSize.Int32)
|
|
{
|
|
if (Size == 0)
|
|
{
|
|
ASoftFallback.EmitCall(Context, nameof(ASoftFallback.SatSingleToInt32));
|
|
}
|
|
else /* if (Size == 1) */
|
|
{
|
|
ASoftFallback.EmitCall(Context, nameof(ASoftFallback.SatDoubleToInt32));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (Size == 0)
|
|
{
|
|
ASoftFallback.EmitCall(Context, nameof(ASoftFallback.SatSingleToInt64));
|
|
}
|
|
else /* if (Size == 1) */
|
|
{
|
|
ASoftFallback.EmitCall(Context, nameof(ASoftFallback.SatDoubleToInt64));
|
|
}
|
|
}
|
|
}
|
|
|
|
private static void EmitCvtToUInt(AILEmitterCtx Context, int Size)
|
|
{
|
|
if (Size < 0 || Size > 1)
|
|
{
|
|
throw new ArgumentOutOfRangeException(nameof(Size));
|
|
}
|
|
|
|
Context.EmitLdc_I4(0);
|
|
|
|
if (Context.CurrOp.RegisterSize == ARegisterSize.Int32)
|
|
{
|
|
if (Size == 0)
|
|
{
|
|
ASoftFallback.EmitCall(Context, nameof(ASoftFallback.SatSingleToUInt32));
|
|
}
|
|
else /* if (Size == 1) */
|
|
{
|
|
ASoftFallback.EmitCall(Context, nameof(ASoftFallback.SatDoubleToUInt32));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (Size == 0)
|
|
{
|
|
ASoftFallback.EmitCall(Context, nameof(ASoftFallback.SatSingleToUInt64));
|
|
}
|
|
else /* if (Size == 1) */
|
|
{
|
|
ASoftFallback.EmitCall(Context, nameof(ASoftFallback.SatDoubleToUInt64));
|
|
}
|
|
}
|
|
}
|
|
|
|
private static void EmitFloatCast(AILEmitterCtx Context, int Size)
|
|
{
|
|
if (Size == 0)
|
|
{
|
|
Context.Emit(OpCodes.Conv_R4);
|
|
}
|
|
else if (Size == 1)
|
|
{
|
|
Context.Emit(OpCodes.Conv_R8);
|
|
}
|
|
else
|
|
{
|
|
throw new ArgumentOutOfRangeException(nameof(Size));
|
|
}
|
|
}
|
|
|
|
private static void EmitLdcImmF(AILEmitterCtx Context, double ImmF, int Size)
|
|
{
|
|
if (Size == 0)
|
|
{
|
|
Context.EmitLdc_R4((float)ImmF);
|
|
}
|
|
else if (Size == 1)
|
|
{
|
|
Context.EmitLdc_R8(ImmF);
|
|
}
|
|
else
|
|
{
|
|
throw new ArgumentOutOfRangeException(nameof(Size));
|
|
}
|
|
}
|
|
|
|
private static void EmitNaNCheck(AILEmitterCtx Context, int Index)
|
|
{
|
|
IAOpCodeSimd Op = (IAOpCodeSimd)Context.CurrOp;
|
|
|
|
Context.EmitLdvecsf(Index);
|
|
|
|
if (Op.Size == 0)
|
|
{
|
|
Context.EmitCall(typeof(float), nameof(float.IsNaN));
|
|
}
|
|
else if (Op.Size == 1)
|
|
{
|
|
Context.EmitCall(typeof(double), nameof(double.IsNaN));
|
|
}
|
|
else
|
|
{
|
|
throw new InvalidOperationException();
|
|
}
|
|
}
|
|
}
|
|
} |