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authorAlex Barney <thealexbarney@gmail.com>2018-10-30 19:43:02 -0600
committergdkchan <gab.dark.100@gmail.com>2018-10-30 22:43:02 -0300
commit9cb57fb4bb3bbae0ae052a5af4a96a49fc5d864d (patch)
tree0c97425aeb311c142bc92a6fcc503cb2c07d4376 /ChocolArm64/Instructions/InstEmitCsel.cs
parent5a87e58183578f5b84ca8d01cbb76aed11820f78 (diff)
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
Diffstat (limited to 'ChocolArm64/Instructions/InstEmitCsel.cs')
-rw-r--r--ChocolArm64/Instructions/InstEmitCsel.cs58
1 files changed, 58 insertions, 0 deletions
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