From 9cb57fb4bb3bbae0ae052a5af4a96a49fc5d864d Mon Sep 17 00:00:00 2001
From: Alex Barney <thealexbarney@gmail.com>
Date: Tue, 30 Oct 2018 19:43:02 -0600
Subject: Adjust naming conventions for Ryujinx and ChocolArm64 projects (#484)

* Change naming convention for Ryujinx project

* Change naming convention for ChocolArm64 project

* Fix NaN

* Remove unneeded this. from Ryujinx project

* Adjust naming from new PRs

* Name changes based on feedback

* How did this get removed?

* Rebasing fix

* Change FP enum case

* Remove prefix from ChocolArm64 classes - Part 1

* Remove prefix from ChocolArm64 classes - Part 2

* Fix alignment from last commit's renaming

* Rename namespaces

* Rename stragglers

* Fix alignment

* Rename OpCode class

* Missed a few

* Adjust alignment
---
 ChocolArm64/Instructions/InstEmitCsel.cs | 58 ++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 ChocolArm64/Instructions/InstEmitCsel.cs

(limited to 'ChocolArm64/Instructions/InstEmitCsel.cs')

diff --git a/ChocolArm64/Instructions/InstEmitCsel.cs b/ChocolArm64/Instructions/InstEmitCsel.cs
new file mode 100644
index 00000000..19b073ce
--- /dev/null
+++ b/ChocolArm64/Instructions/InstEmitCsel.cs
@@ -0,0 +1,58 @@
+using ChocolArm64.Decoders;
+using ChocolArm64.Translation;
+using System.Reflection.Emit;
+
+namespace ChocolArm64.Instructions
+{
+    static partial class InstEmit
+    {
+        private enum CselOperation
+        {
+            None,
+            Increment,
+            Invert,
+            Negate
+        }
+
+        public static void Csel(ILEmitterCtx context)  => EmitCsel(context, CselOperation.None);
+        public static void Csinc(ILEmitterCtx context) => EmitCsel(context, CselOperation.Increment);
+        public static void Csinv(ILEmitterCtx context) => EmitCsel(context, CselOperation.Invert);
+        public static void Csneg(ILEmitterCtx context) => EmitCsel(context, CselOperation.Negate);
+
+        private static void EmitCsel(ILEmitterCtx context, CselOperation cselOp)
+        {
+            OpCodeCsel64 op = (OpCodeCsel64)context.CurrOp;
+
+            ILLabel lblTrue = new ILLabel();
+            ILLabel lblEnd  = new ILLabel();
+
+            context.EmitCondBranch(lblTrue, op.Cond);
+            context.EmitLdintzr(op.Rm);
+
+            if (cselOp == CselOperation.Increment)
+            {
+                context.EmitLdc_I(1);
+
+                context.Emit(OpCodes.Add);
+            }
+            else if (cselOp == CselOperation.Invert)
+            {
+                context.Emit(OpCodes.Not);
+            }
+            else if (cselOp == CselOperation.Negate)
+            {
+                context.Emit(OpCodes.Neg);
+            }
+
+            context.Emit(OpCodes.Br_S, lblEnd);
+
+            context.MarkLabel(lblTrue);
+
+            context.EmitLdintzr(op.Rn);
+
+            context.MarkLabel(lblEnd);
+
+            context.EmitStintzr(op.Rd);
+        }
+    }
+}
\ No newline at end of file
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