From d8a37e287cb70eb47aec9622f58a34285de6a119 Mon Sep 17 00:00:00 2001
From: MerryMage <MerryMage@users.noreply.github.com>
Date: Sat, 31 Dec 2016 10:46:13 +0000
Subject: [PATCH] IR: Add IR type CoprocInfo

---
 src/frontend/ir/opcodes.cpp |  6 +++---
 src/frontend/ir/opcodes.h   |  1 +
 src/frontend/ir/value.cpp   | 11 +++++++++++
 src/frontend/ir/value.h     |  4 ++++
 4 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/src/frontend/ir/opcodes.cpp b/src/frontend/ir/opcodes.cpp
index d63ff9f2..19f9b391 100644
--- a/src/frontend/ir/opcodes.cpp
+++ b/src/frontend/ir/opcodes.cpp
@@ -29,7 +29,7 @@ static const std::map<Opcode, Meta> opcode_info {{
 #define OPCODE(name, type, ...) { Opcode::name, { #name, type, { __VA_ARGS__ } } },
 #include "opcodes.inc"
 #undef OPCODE
-                                                 }};
+}};
 
 } // namespace OpcodeInfo
 
@@ -50,8 +50,8 @@ const char* GetNameOf(Opcode op) {
 }
 
 const char* GetNameOf(Type type) {
-    const static std::array<const char*, 11> names = {
-        "Void", "RegRef", "ExtRegRef", "Opaque", "U1", "U8", "U16", "U32", "U64", "F32", "F64"
+    const static std::array<const char*, 12> names = {
+        "Void", "RegRef", "ExtRegRef", "Opaque", "U1", "U8", "U16", "U32", "U64", "F32", "F64", "CoprocInfo"
     };
     return names.at(static_cast<size_t>(type));
 }
diff --git a/src/frontend/ir/opcodes.h b/src/frontend/ir/opcodes.h
index 44bcbbe7..88306898 100644
--- a/src/frontend/ir/opcodes.h
+++ b/src/frontend/ir/opcodes.h
@@ -39,6 +39,7 @@ enum class Type {
     U64,
     F32,
     F64,
+    CoprocInfo,
 };
 
 /// Get return type of an opcode
diff --git a/src/frontend/ir/value.cpp b/src/frontend/ir/value.cpp
index 1e2b6444..409ed804 100644
--- a/src/frontend/ir/value.cpp
+++ b/src/frontend/ir/value.cpp
@@ -39,6 +39,10 @@ Value::Value(u64 value) : type(Type::U64) {
     inner.imm_u64 = value;
 }
 
+Value::Value(std::array<u8, 8> value) : type(Type::CoprocInfo) {
+    inner.imm_coproc = value;
+}
+
 bool Value::IsImmediate() const {
     if (type == Type::Opaque)
         return inner.inst->GetOpcode() == Opcode::Identity ? inner.inst->GetArg(0).IsImmediate() : false;
@@ -103,5 +107,12 @@ u64 Value::GetU64() const {
     return inner.imm_u64;
 }
 
+std::array<u8, 8> Value::GetCoprocInfo() const {
+    if (type == Type::Opaque && inner.inst->GetOpcode() == Opcode::Identity)
+        return inner.inst->GetArg(0).GetCoprocInfo();
+    DEBUG_ASSERT(type == Type::CoprocInfo);
+    return inner.imm_coproc;
+}
+
 } // namespace IR
 } // namespace Dynarmic
diff --git a/src/frontend/ir/value.h b/src/frontend/ir/value.h
index 62e61e39..ec1bcc0e 100644
--- a/src/frontend/ir/value.h
+++ b/src/frontend/ir/value.h
@@ -28,6 +28,7 @@ public:
     explicit Value(u8 value);
     explicit Value(u32 value);
     explicit Value(u64 value);
+    explicit Value(std::array<u8, 8> value);
 
     bool IsEmpty() const;
     bool IsImmediate() const;
@@ -40,6 +41,7 @@ public:
     u8 GetU8() const;
     u32 GetU32() const;
     u64 GetU64() const;
+    std::array<u8, 8> GetCoprocInfo() const;
 
 private:
     Type type;
@@ -52,8 +54,10 @@ private:
         u8 imm_u8;
         u32 imm_u32;
         u64 imm_u64;
+        std::array<u8, 8> imm_coproc;
     } inner;
 };
+static_assert(sizeof(Value) <= 2 * sizeof(u64), "IR::Value should be kept small in size");
 
 } // namespace IR
 } // namespace Dynarmic