1 files changed, 1 insertions, 104 deletions
diff --git a/ARMeilleure/CodeGen/X86/Assembler.cs b/ARMeilleure/CodeGen/X86/Assembler.cs
index 123c80fb..c15deadc 100644
--- a/ARMeilleure/CodeGen/X86/Assembler.cs
+++ b/ARMeilleure/CodeGen/X86/Assembler.cs
@@ -1033,13 +1033,7 @@ namespace ARMeilleure.CodeGen.X86
 
             Debug.Assert(opCode != BadOp, "Invalid opcode value.");
 
-            if ((flags & InstructionFlags.Evex) != 0 && HardwareCapabilities.SupportsEvexEncoding)
-            {
-                WriteEvexInst(dest, src1, src2, type, flags, opCode);
-
-                opCode &= 0xff;
-            }
-            else if ((flags & InstructionFlags.Vex) != 0 && HardwareCapabilities.SupportsVexEncoding)
+            if ((flags & InstructionFlags.Vex) != 0 && HardwareCapabilities.SupportsVexEncoding)
             {
                 // In a vex encoding, only one prefix can be active at a time. The active prefix is encoded in the second byte using two bits.
 
@@ -1158,103 +1152,6 @@ namespace ARMeilleure.CodeGen.X86
             }
         }
 
-        private void WriteEvexInst(
-            Operand dest,
-            Operand src1,
-            Operand src2,
-            OperandType type,
-            InstructionFlags flags,
-            int opCode,
-            bool broadcast = false,
-            int registerWidth = 128,
-            int maskRegisterIdx = 0,
-            bool zeroElements = false)
-        {
-            int destIdx = dest.GetRegister().Index;
-            int src1Idx = src1.GetRegister().Index;
-            int src2Idx = src2.GetRegister().Index;
-
-            WriteByte(0x62);
-
-            // P0
-            // Extend dest register
-            bool r = (destIdx & 8) == 0;
-            // Extend src register
-            bool x = (src1Idx & 16) == 0;
-            // Extend src register
-            bool b = (src1Idx & 8) == 0;
-            // Extend dest register
-            bool rp = (destIdx & 16) == 0;
-            // Escape code index
-            byte mm = 0b00;
-
-            switch ((ushort)(opCode >> 8))
-            {
-                case 0xf00: mm = 0b01; break;
-                case 0xf38: mm = 0b10; break;
-                case 0xf3a: mm = 0b11; break;
-
-                default: Debug.Assert(false, $"Failed to EVEX encode opcode 0x{opCode:X}."); break;
-            }
-
-            WriteByte(
-                (byte)(
-                    (r ? 0x80 : 0) |
-                    (x ? 0x40 : 0) |
-                    (b ? 0x20 : 0) |
-                    (rp ? 0x10 : 0) |
-                    mm));
-
-            // P1
-            // Specify 64-bit lane mode
-            bool w = Is64Bits(type);
-            // Src2 register index
-            byte vvvv = (byte)(src2Idx & 0b1111);
-            // Opcode prefix
-            byte pp = (flags & InstructionFlags.PrefixMask) switch
-            {
-                InstructionFlags.Prefix66 => 0b01,
-                InstructionFlags.PrefixF3 => 0b10,
-                InstructionFlags.PrefixF2 => 0b11,
-                _ => 0
-            };
-            WriteByte(
-                (byte)(
-                    (w ? 0x80 : 0) |
-                    (vvvv << 3) |
-                    0b100 |
-                    pp));
-
-            // P2
-            // Mask register determines what elements to zero, rather than what elements to merge
-            bool z = zeroElements;
-            // Specifies register-width
-            byte ll = 0b00;
-            switch (registerWidth)
-            {
-                case 128: ll = 0b00; break;
-                case 256: ll = 0b01; break;
-                case 512: ll = 0b10; break;
-
-                default: Debug.Assert(false, $"Invalid EVEX vector register width {registerWidth}."); break;
-            }
-            // Embedded broadcast in the case of a memory operand
-            bool bcast = broadcast;
-            // Extend src2 register
-            bool vp = (src2Idx & 16) == 0;
-            // Mask register index
-            Debug.Assert(maskRegisterIdx < 8, $"Invalid mask register index {maskRegisterIdx}.");
-            byte aaa = (byte)(maskRegisterIdx & 0b111);
-
-            WriteByte(
-                (byte)(
-                    (z ? 0x80 : 0) |
-                    (ll << 5) |
-                    (bcast ? 0x10 : 0) |
-                    (vp ? 8 : 0) |
-                    aaa));
-        }
-
         private void WriteCompactInst(Operand operand, int opCode)
         {
             int regIndex = operand.GetRegister().Index;