From bd2b4158504ba7b9b1da1f9d482e296eb605635b Mon Sep 17 00:00:00 2001
From: MerryMage <MerryMage@users.noreply.github.com>
Date: Sun, 18 Feb 2018 23:55:38 +0000
Subject: [PATCH] A64: Implement ADDP (scalar)

---
 src/CMakeLists.txt                            |  1 +
 src/frontend/A64/decoder/a64.inc              |  2 +-
 .../translate/impl/simd_scalar_pairwise.cpp   | 25 +++++++++++++++++++
 3 files changed, 27 insertions(+), 1 deletion(-)
 create mode 100644 src/frontend/A64/translate/impl/simd_scalar_pairwise.cpp

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index c195f972..909dd394 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -98,6 +98,7 @@ add_library(dynarmic
     frontend/A64/translate/impl/simd_copy.cpp
     frontend/A64/translate/impl/simd_modified_immediate.cpp
     frontend/A64/translate/impl/simd_permute.cpp
+    frontend/A64/translate/impl/simd_scalar_pairwise.cpp
     frontend/A64/translate/impl/simd_scalar_three_same.cpp
     frontend/A64/translate/impl/simd_shift_by_immediate.cpp
     frontend/A64/translate/impl/simd_three_same.cpp
diff --git a/src/frontend/A64/decoder/a64.inc b/src/frontend/A64/decoder/a64.inc
index 90b60489..e280b88f 100644
--- a/src/frontend/A64/decoder/a64.inc
+++ b/src/frontend/A64/decoder/a64.inc
@@ -422,7 +422,7 @@ INST(DUP_elt_1,              "DUP (element)",                             "01011
 //INST(FCVTXN_1,               "FCVTXN, FCVTXN2",                           "011111100z100001011010nnnnnddddd")
 
 // Data Processing - FP and SIMD - SIMD Scalar pairwise
-//INST(ADDP_pair,              "ADDP (scalar)",                             "01011110zz110001101110nnnnnddddd")
+INST(ADDP_pair,              "ADDP (scalar)",                             "01011110zz110001101110nnnnnddddd")
 //INST(FMAXNMP_pair_1,         "FMAXNMP (scalar)",                          "0101111000110000110010nnnnnddddd")
 //INST(FMAXNMP_pair_2,         "FMAXNMP (scalar)",                          "011111100z110000110010nnnnnddddd")
 //INST(FADDP_pair_1,           "FADDP (scalar)",                            "0101111000110000110110nnnnnddddd")
diff --git a/src/frontend/A64/translate/impl/simd_scalar_pairwise.cpp b/src/frontend/A64/translate/impl/simd_scalar_pairwise.cpp
new file mode 100644
index 00000000..aa7dae0d
--- /dev/null
+++ b/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