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 cb2476b488..3b3fd68374 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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