From d43a56726c0640d1af00c58b284e7f6d949302d9 Mon Sep 17 00:00:00 2001
From: gdkchan <gab.dark.100@gmail.com>
Date: Wed, 7 Apr 2021 18:43:08 -0300
Subject: [PATCH] (CPU) Fix CRC32 instruction when constant values are used as
 input (#2183)

---
 ARMeilleure/CodeGen/X86/PreAllocator.cs | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/ARMeilleure/CodeGen/X86/PreAllocator.cs b/ARMeilleure/CodeGen/X86/PreAllocator.cs
index cb2476b48..3b3fd6837 100644
--- a/ARMeilleure/CodeGen/X86/PreAllocator.cs
+++ b/ARMeilleure/CodeGen/X86/PreAllocator.cs
@@ -135,7 +135,7 @@ namespace ARMeilleure.CodeGen.X86
 
         private static void HandleConstantRegCopy(IntrusiveList<Node> nodes, Node node, Operation operation)
         {
-            if (operation.SourcesCount == 0 || IsIntrinsic(operation.Instruction))
+            if (operation.SourcesCount == 0 || IsXmmIntrinsic(operation))
             {
                 return;
             }
@@ -1400,5 +1400,18 @@ namespace ARMeilleure.CodeGen.X86
         {
             return inst == Instruction.Extended;
         }
+
+        private static bool IsXmmIntrinsic(Operation operation)
+        {
+            if (operation.Instruction != Instruction.Extended)
+            {
+                return false;
+            }
+
+            IntrinsicOperation intrinOp = (IntrinsicOperation)operation;
+            IntrinsicInfo info = IntrinsicTable.GetInfo(intrinOp.Intrinsic);
+
+            return info.Type != IntrinsicType.Crc32;
+        }
     }
 }
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