From dd88cee15ae4a9c4ac238ba3bea5c6d3226eca87 Mon Sep 17 00:00:00 2001
From: MerryMage <MerryMage@users.noreply.github.com>
Date: Mon, 5 Feb 2018 21:43:58 +0000
Subject: [PATCH] translate/impl: Add Vpart

---
 src/frontend/A64/translate/impl/impl.cpp | 21 +++++++++++++++++++++
 src/frontend/A64/translate/impl/impl.h   |  3 +++
 2 files changed, 24 insertions(+)

diff --git a/src/frontend/A64/translate/impl/impl.cpp b/src/frontend/A64/translate/impl/impl.cpp
index 85c05b4d..68a9e859 100644
--- a/src/frontend/A64/translate/impl/impl.cpp
+++ b/src/frontend/A64/translate/impl/impl.cpp
@@ -161,6 +161,27 @@ void TranslatorVisitor::V_scalar(size_t /*bitsize*/, Vec vec, IR::UAny value) {
     ir.SetQ(vec, ir.ZeroExtendToQuad(value));
 }
 
+IR::UAny TranslatorVisitor::Vpart(size_t bitsize, Vec vec, size_t part) {
+    ASSERT(part == 0 || part == 1);
+    if (part == 0) {
+        ASSERT(bitsize == 8 || bitsize == 16 || bitsize == 32 || bitsize == 64);
+    } else {
+        ASSERT(bitsize == 64);
+    }
+    return ir.VectorGetElement(bitsize, V(128, vec), part);
+}
+
+void TranslatorVisitor::Vpart(size_t bitsize, Vec vec, size_t part, IR::UAny value) {
+    ASSERT(part == 0 || part == 1);
+    if (part == 0) {
+        ASSERT(bitsize == 8 || bitsize == 16 || bitsize == 32 || bitsize == 64);
+        V(128, vec, ir.ZeroExtendToQuad(value));
+    } else {
+        ASSERT(bitsize == 64);
+        V(128, vec, ir.VectorSetElement(64, V(128, vec), 1, value));
+    }
+}
+
 IR::UAnyU128 TranslatorVisitor::Mem(IR::U64 address, size_t bytesize, AccType /*acctype*/) {
     switch (bytesize) {
     case 1:
diff --git a/src/frontend/A64/translate/impl/impl.h b/src/frontend/A64/translate/impl/impl.h
index aaa29dc3..a20ebc42 100644
--- a/src/frontend/A64/translate/impl/impl.h
+++ b/src/frontend/A64/translate/impl/impl.h
@@ -53,6 +53,9 @@ struct TranslatorVisitor final {
     IR::UAny V_scalar(size_t bitsize, Vec vec);
     void V_scalar(size_t bitsize, Vec vec, IR::UAny value);
 
+    IR::UAny Vpart(size_t bitsize, Vec vec, size_t part);
+    void Vpart(size_t bitsize, Vec vec, size_t part, IR::UAny value);
+
     IR::UAnyU128 Mem(IR::U64 address, size_t size, AccType acctype);
     void Mem(IR::U64 address, size_t size, AccType acctype, IR::UAnyU128 value);