A64: Implement ADDP (scalar)

src/frontend/A64/translate/impl/simd_scalar_pairwise.cpp

@@ -0,0 +1,25 @@
+/* This file is part of the dynarmic project.
+ * Copyright (c) 2018 MerryMage
+ * This software may be used and distributed according to the terms of the GNU
+ * General Public License version 2 or any later version.
+ */
+
+#include "frontend/A64/translate/impl/impl.h"
+
+namespace Dynarmic {
+namespace A64 {
+
+bool TranslatorVisitor::ADDP_pair(Imm<2> size, Vec Vn, Vec Vd) {
+    if (size != 0b11) {
+        return ReservedValue();
+    }
+
+    const IR::U64 operand1 = ir.VectorGetElement(64, V(128, Vn), 0);
+    const IR::U64 operand2 = ir.VectorGetElement(64, V(128, Vn), 1);
+    const IR::U128 result = ir.ZeroExtendToQuad(ir.Add(operand1, operand2));
+    V(128, Vd, result);
+    return true;
+}
+
+} // namespace A64
+} // namespace Dynarmic