Implement LEA.HI shader instruction (#1609)

2020-10-12 21:46:04 -03:00 · 2020-10-12 21:46:04 -03:00 · e4777717cd
commit e4777717cd
parent b066cfc1a3
3 changed files with 57 additions and 0 deletions
--- a/Ryujinx.Graphics.Shader/Instructions/InstEmitAluHelper.cs
+++ b/Ryujinx.Graphics.Shader/Instructions/InstEmitAluHelper.cs
@ -100,5 +100,15 @@ namespace Ryujinx.Graphics.Shader.Instructions
                context.Copy(GetNF(), context.FPCompareLess (dest, zero, fpType));
            }
        }
+
+        public static Operand AddWithCarry(EmitterContext context, Operand lhs, Operand rhs, out Operand carryOut)
+        {
+            Operand result = context.IAdd(lhs, rhs);
+
+            // C = Rd < Rn
+            carryOut = context.INegate(context.ICompareLessUnsigned(result, lhs));
+
+            return result;
+        }
    }
 }