1  using ARMeilleure.Decoders;
  2  using ARMeilleure.IntermediateRepresentation;
  3  using ARMeilleure.Translation;
  4  
  5  using static ARMeilleure.Instructions.InstEmitHelper;
  6  
  7  namespace ARMeilleure.Instructions
  8  {
  9      static partial class InstEmit
 10      {
 11          public static void Aesd_V(ArmEmitterContext context)
 12          {
 13              OpCodeSimd op = (OpCodeSimd)context.CurrOp;
 14  
 15              Operand d = GetVec(op.Rd);
 16              Operand n = GetVec(op.Rn);
 17  
 18              Operand res;
 19  
 20              if (Optimizations.UseArm64Aes)
 21              {
 22                  res = context.AddIntrinsic(Intrinsic.Arm64AesdV, d, n);
 23              }
 24              else if (Optimizations.UseAesni)
 25              {
 26                  res = context.AddIntrinsic(Intrinsic.X86Aesdeclast, context.AddIntrinsic(Intrinsic.X86Xorpd, d, n), context.VectorZero());
 27              }
 28              else
 29              {
 30                  res = context.Call(typeof(SoftFallback).GetMethod(nameof(SoftFallback.Decrypt)), d, n);
 31              }
 32  
 33              context.Copy(d, res);
 34          }
 35  
 36          public static void Aese_V(ArmEmitterContext context)
 37          {
 38              OpCodeSimd op = (OpCodeSimd)context.CurrOp;
 39  
 40              Operand d = GetVec(op.Rd);
 41              Operand n = GetVec(op.Rn);
 42  
 43              Operand res;
 44  
 45              if (Optimizations.UseArm64Aes)
 46              {
 47                  res = context.AddIntrinsic(Intrinsic.Arm64AeseV, d, n);
 48              }
 49              else if (Optimizations.UseAesni)
 50              {
 51                  res = context.AddIntrinsic(Intrinsic.X86Aesenclast, context.AddIntrinsic(Intrinsic.X86Xorpd, d, n), context.VectorZero());
 52              }
 53              else
 54              {
 55                  res = context.Call(typeof(SoftFallback).GetMethod(nameof(SoftFallback.Encrypt)), d, n);
 56              }
 57  
 58              context.Copy(d, res);
 59          }
 60  
 61          public static void Aesimc_V(ArmEmitterContext context)
 62          {
 63              OpCodeSimd op = (OpCodeSimd)context.CurrOp;
 64  
 65              Operand n = GetVec(op.Rn);
 66  
 67              Operand res;
 68  
 69              if (Optimizations.UseArm64Aes)
 70              {
 71                  res = context.AddIntrinsic(Intrinsic.Arm64AesimcV, n);
 72              }
 73              else if (Optimizations.UseAesni)
 74              {
 75                  res = context.AddIntrinsic(Intrinsic.X86Aesimc, n);
 76              }
 77              else
 78              {
 79                  res = context.Call(typeof(SoftFallback).GetMethod(nameof(SoftFallback.InverseMixColumns)), n);
 80              }
 81  
 82              context.Copy(GetVec(op.Rd), res);
 83          }
 84  
 85          public static void Aesmc_V(ArmEmitterContext context)
 86          {
 87              OpCodeSimd op = (OpCodeSimd)context.CurrOp;
 88  
 89              Operand n = GetVec(op.Rn);
 90  
 91              Operand res;
 92  
 93              if (Optimizations.UseArm64Aes)
 94              {
 95                  res = context.AddIntrinsic(Intrinsic.Arm64AesmcV, n);
 96              }
 97              else if (Optimizations.UseAesni)
 98              {
 99                  Operand roundKey = context.VectorZero();
100  
101                  // Inverse Shift Rows, Inverse Sub Bytes, xor 0 so nothing happens
102                  res = context.AddIntrinsic(Intrinsic.X86Aesdeclast, n, roundKey);
103  
104                  // Shift Rows, Sub Bytes, Mix Columns (!), xor 0 so nothing happens
105                  res = context.AddIntrinsic(Intrinsic.X86Aesenc, res, roundKey);
106              }
107              else
108              {
109                  res = context.Call(typeof(SoftFallback).GetMethod(nameof(SoftFallback.MixColumns)), n);
110              }
111  
112              context.Copy(GetVec(op.Rd), res);
113          }
114      }
115  }