A64: Implement ADD_shifted

src/CMakeLists.txt

@@ -52,9 +52,14 @@ add_library(dynarmic
     frontend/A32/types.cpp
     frontend/A32/types.h
     frontend/A64/decoder/a64.h
+    frontend/A64/FPCR.h
     frontend/A64/imm.h
+    frontend/A64/ir_emitter.cpp
+    frontend/A64/ir_emitter.h
     frontend/A64/location_descriptor.cpp
     frontend/A64/location_descriptor.h
+    frontend/A64/translate/impl/data_processing_addsub.cpp
+    frontend/A64/translate/impl/impl.cpp
     frontend/A64/translate/impl/impl.h
     frontend/A64/translate/translate.cpp
     frontend/A64/translate/translate.h

src/backend_x64/a32_emit_x64.h

@@ -64,9 +64,11 @@ protected:
     // Microinstruction emitters
 #define OPCODE(...)
 #define A32OPC(name, type, ...) void EmitA32##name(A32EmitContext& ctx, IR::Inst* inst);
+#define A64OPC(...)
 #include "frontend/ir/opcodes.inc"
 #undef OPCODE
 #undef A32OPC
+#undef A64OPC
 
     // Terminal instruction emitters
     void EmitTerminalImpl(IR::Term::Interpret terminal, IR::LocationDescriptor initial_location) override;

src/backend_x64/a64_emit_x64.cpp

@@ -115,11 +115,56 @@ A64EmitX64::BlockDescriptor A64EmitX64::Emit(IR::Block& block) {
     return block_desc;
 }
 
+void A64EmitX64::EmitA64GetW(A64EmitContext& ctx, IR::Inst* inst) {
+    A64::Reg reg = inst->GetArg(0).GetA64RegRef();
+
+    Xbyak::Reg32 result = ctx.reg_alloc.ScratchGpr().cvt32();
+    code->mov(result, dword[r15 + offsetof(A64JitState, reg) + sizeof(u64) * static_cast<size_t>(reg)]);
+    ctx.reg_alloc.DefineValue(inst, result);
+}
+
+void A64EmitX64::EmitA64GetX(A64EmitContext& ctx, IR::Inst* inst) {
+    A64::Reg reg = inst->GetArg(0).GetA64RegRef();
+
+    Xbyak::Reg64 result = ctx.reg_alloc.ScratchGpr();
+    code->mov(result, qword[r15 + offsetof(A64JitState, reg) + sizeof(u64) * static_cast<size_t>(reg)]);
+    ctx.reg_alloc.DefineValue(inst, result);
+}
+
+void A64EmitX64::EmitA64SetW(A64EmitContext& ctx, IR::Inst* inst) {
+    auto args = ctx.reg_alloc.GetArgumentInfo(inst);
+    A64::Reg reg = inst->GetArg(0).GetA64RegRef();
+    auto addr = dword[r15 + offsetof(A64JitState, reg) + sizeof(u64) * static_cast<size_t>(reg)];
+    if (args[1].IsImmediate()) {
+        code->mov(addr, args[1].GetImmediateU32());
+    } else if (args[1].IsInXmm()) {
+        Xbyak::Xmm to_store = ctx.reg_alloc.UseXmm(args[1]);
+        code->movd(addr, to_store);
+    } else {
+        Xbyak::Reg32 to_store = ctx.reg_alloc.UseGpr(args[1]).cvt32();
+        code->mov(addr, to_store);
+    }
+}
+
+void A64EmitX64::EmitA64SetX(A64EmitContext& ctx, IR::Inst* inst) {
+    auto args = ctx.reg_alloc.GetArgumentInfo(inst);
+    A64::Reg reg = inst->GetArg(0).GetA64RegRef();
+    auto addr = qword[r15 + offsetof(A64JitState, reg) + sizeof(u64) * static_cast<size_t>(reg)];
+    if (args[1].IsImmediate()) {
+        code->mov(addr, args[1].GetImmediateU64());
+    } else if (args[1].IsInXmm()) {
+        Xbyak::Xmm to_store = ctx.reg_alloc.UseXmm(args[1]);
+        code->movq(addr, to_store);
+    } else {
+        Xbyak::Reg64 to_store = ctx.reg_alloc.UseGpr(args[1]);
+        code->mov(addr, to_store);
+    }
+}
+
 void A64EmitX64::EmitTerminalImpl(IR::Term::Interpret terminal, IR::LocationDescriptor) {
-    code->mov(code->ABI_PARAM1.cvt32(), A64::LocationDescriptor{terminal.next}.PC());
+    code->mov(code->ABI_PARAM1, A64::LocationDescriptor{terminal.next}.PC());
-    //code->mov(code->ABI_PARAM2, reinterpret_cast<u64>(jit_interface));
+    code->mov(code->ABI_PARAM2.cvt32(), 1);
-    //code->mov(code->ABI_PARAM3, reinterpret_cast<u64>(cb.user_arg));
+    code->mov(qword[r15 + offsetof(A64JitState, pc)], code->ABI_PARAM1.cvt32());
-    //code->mov(MJitStateReg(A64::Reg::PC), code->ABI_PARAM1.cvt32());
     code->SwitchMxcsrOnExit();
     //code->CallFunction(cb.InterpreterFallback);
     code->ReturnFromRunCode(true); // TODO: Check cycles
@@ -144,7 +189,7 @@ void A64EmitX64::EmitTerminalImpl(IR::Term::LinkBlock terminal, IR::LocationDesc
     code->SwitchToFarCode();
     code->align(16);
     code->L(dest);
-    //code->mov(MJitStateReg(A64::Reg::PC), A64::LocationDescriptor{terminal.next}.PC());
+    code->mov(qword[r15 + offsetof(A64JitState, pc)], A64::LocationDescriptor{terminal.next}.PC());
     PushRSBHelper(rax, rbx, terminal.next);
     code->ForceReturnFromRunCode();
     code->SwitchToNearCode();
@@ -176,23 +221,23 @@ void A64EmitX64::EmitTerminalImpl(IR::Term::CheckHalt terminal, IR::LocationDesc
     EmitTerminal(terminal.else_, initial_location);
 }
 
-void A64EmitX64::EmitPatchJg(const IR::LocationDescriptor& /*target_desc*/, CodePtr target_code_ptr) {
+void A64EmitX64::EmitPatchJg(const IR::LocationDescriptor& target_desc, CodePtr target_code_ptr) {
     const CodePtr patch_location = code->getCurr();
     if (target_code_ptr) {
         code->jg(target_code_ptr);
     } else {
-        //code->mov(MJitStateReg(A64::Reg::PC), A64::LocationDescriptor{target_desc}.PC());
+        code->mov(qword[r15 + offsetof(A64JitState, pc)], A64::LocationDescriptor{target_desc}.PC());
         code->jg(code->GetReturnFromRunCodeAddress());
     }
     code->EnsurePatchLocationSize(patch_location, 14);
 }
 
-void A64EmitX64::EmitPatchJmp(const IR::LocationDescriptor& /*target_desc*/, CodePtr target_code_ptr) {
+void A64EmitX64::EmitPatchJmp(const IR::LocationDescriptor& target_desc, CodePtr target_code_ptr) {
     const CodePtr patch_location = code->getCurr();
     if (target_code_ptr) {
         code->jmp(target_code_ptr);
     } else {
-        //code->mov(MJitStateReg(A64::Reg::PC), A64::LocationDescriptor{target_desc}.PC());
+        code->mov(qword[r15 + offsetof(A64JitState, pc)], A64::LocationDescriptor{target_desc}.PC());
         code->jmp(code->GetReturnFromRunCodeAddress());
     }
     code->EnsurePatchLocationSize(patch_location, 13);

src/backend_x64/emit_x64.cpp

@@ -212,7 +212,7 @@ void EmitX64<JST>::EmitIsZero64(EmitContext& ctx, IR::Inst* inst) {
 }
 
 template <typename JST>
-void EmitX64<JST>::EmitLogicalShiftLeft(EmitContext& ctx, IR::Inst* inst) {
+void EmitX64<JST>::EmitLogicalShiftLeft32(EmitContext& ctx, IR::Inst* inst) {
     auto carry_inst = inst->GetAssociatedPseudoOperation(IR::Opcode::GetCarryFromOp);
 
     auto args = ctx.reg_alloc.GetArgumentInfo(inst);
@@ -313,7 +313,41 @@ void EmitX64<JST>::EmitLogicalShiftLeft(EmitContext& ctx, IR::Inst* inst) {
 }
 
 template <typename JST>
-void EmitX64<JST>::EmitLogicalShiftRight(EmitContext& ctx, IR::Inst* inst) {
+void EmitX64<JST>::EmitLogicalShiftLeft64(EmitContext& ctx, IR::Inst* inst) {
+    auto args = ctx.reg_alloc.GetArgumentInfo(inst);
+    auto& operand_arg = args[0];
+    auto& shift_arg = args[1];
+
+    if (shift_arg.IsImmediate()) {
+        Xbyak::Reg64 result = ctx.reg_alloc.UseScratchGpr(operand_arg);
+        u8 shift = shift_arg.GetImmediateU8();
+
+        if (shift < 64) {
+            code->shl(result, shift);
+        } else {
+            code->xor_(result.cvt32(), result.cvt32());
+        }
+
+        ctx.reg_alloc.DefineValue(inst, result);
+    } else {
+        ctx.reg_alloc.Use(shift_arg, HostLoc::RCX);
+        Xbyak::Reg64 result = ctx.reg_alloc.UseScratchGpr(operand_arg);
+        Xbyak::Reg64 zero = ctx.reg_alloc.ScratchGpr();
+
+        // The x64 SHL instruction masks the shift count by 0x1F before performing the shift.
+        // ARM differs from the behaviour: It does not mask the count, so shifts above 31 result in zeros.
+
+        code->shl(result, code->cl);
+        code->xor_(zero.cvt32(), zero.cvt32());
+        code->cmp(code->cl, 64);
+        code->cmovnb(result, zero);
+
+        ctx.reg_alloc.DefineValue(inst, result);
+    }
+}
+
+template <typename JST>
+void EmitX64<JST>::EmitLogicalShiftRight32(EmitContext& ctx, IR::Inst* inst) {
     auto carry_inst = inst->GetAssociatedPseudoOperation(IR::Opcode::GetCarryFromOp);
 
     auto args = ctx.reg_alloc.GetArgumentInfo(inst);
@@ -418,19 +452,36 @@ void EmitX64<JST>::EmitLogicalShiftRight64(EmitContext& ctx, IR::Inst* inst) {
     auto& operand_arg = args[0];
     auto& shift_arg = args[1];
 
-    ASSERT_MSG(shift_arg.IsImmediate(), "variable 64 bit shifts are not implemented");
+    if (shift_arg.IsImmediate()) {
-    ASSERT_MSG(shift_arg.GetImmediateU8() < 64, "shift width clamping is not implemented");
-
         Xbyak::Reg64 result = ctx.reg_alloc.UseScratchGpr(operand_arg);
         u8 shift = shift_arg.GetImmediateU8();
 
-    code->shr(result.cvt64(), shift);
+        if (shift < 64) {
+            code->shr(result, shift);
+        } else {
+            code->xor_(result.cvt32(), result.cvt32());
+        }
+
+        ctx.reg_alloc.DefineValue(inst, result);
+    } else {
+        ctx.reg_alloc.Use(shift_arg, HostLoc::RCX);
+        Xbyak::Reg64 result = ctx.reg_alloc.UseScratchGpr(operand_arg);
+        Xbyak::Reg64 zero = ctx.reg_alloc.ScratchGpr();
+
+        // The x64 SHR instruction masks the shift count by 0x1F before performing the shift.
+        // ARM differs from the behaviour: It does not mask the count, so shifts above 31 result in zeros.
+
+        code->shr(result, code->cl);
+        code->xor_(zero.cvt32(), zero.cvt32());
+        code->cmp(code->cl, 64);
+        code->cmovnb(result, zero);
 
         ctx.reg_alloc.DefineValue(inst, result);
     }
+}
 
 template <typename JST>
-void EmitX64<JST>::EmitArithmeticShiftRight(EmitContext& ctx, IR::Inst* inst) {
+void EmitX64<JST>::EmitArithmeticShiftRight32(EmitContext& ctx, IR::Inst* inst) {
     auto carry_inst = inst->GetAssociatedPseudoOperation(IR::Opcode::GetCarryFromOp);
 
     auto args = ctx.reg_alloc.GetArgumentInfo(inst);
@@ -519,7 +570,39 @@ void EmitX64<JST>::EmitArithmeticShiftRight(EmitContext& ctx, IR::Inst* inst) {
 }
 
 template <typename JST>
-void EmitX64<JST>::EmitRotateRight(EmitContext& ctx, IR::Inst* inst) {
+void EmitX64<JST>::EmitArithmeticShiftRight64(EmitContext& ctx, IR::Inst* inst) {
+    auto args = ctx.reg_alloc.GetArgumentInfo(inst);
+    auto& operand_arg = args[0];
+    auto& shift_arg = args[1];
+
+    if (shift_arg.IsImmediate()) {
+        u8 shift = shift_arg.GetImmediateU8();
+        Xbyak::Reg64 result = ctx.reg_alloc.UseScratchGpr(operand_arg);
+
+        code->sar(result, u8(shift < 63 ? shift : 63));
+
+        ctx.reg_alloc.DefineValue(inst, result);
+    } else {
+        ctx.reg_alloc.UseScratch(shift_arg, HostLoc::RCX);
+        Xbyak::Reg64 result = ctx.reg_alloc.UseScratchGpr(operand_arg);
+        Xbyak::Reg64 const63 = ctx.reg_alloc.ScratchGpr();
+
+        // The 64-bit x64 SAR instruction masks the shift count by 0x3F before performing the shift.
+        // ARM differs from the behaviour: It does not mask the count.
+
+        // We note that all shift values above 63 have the same behaviour as 63 does, so we saturate `shift` to 63.
+        code->mov(const63, 63);
+        code->movzx(code->ecx, code->cl);
+        code->cmp(code->ecx, u32(63));
+        code->cmovg(code->ecx, const63);
+        code->sar(result, code->cl);
+
+        ctx.reg_alloc.DefineValue(inst, result);
+    }
+}
+
+template <typename JST>
+void EmitX64<JST>::EmitRotateRight32(EmitContext& ctx, IR::Inst* inst) {
     auto carry_inst = inst->GetAssociatedPseudoOperation(IR::Opcode::GetCarryFromOp);
 
     auto args = ctx.reg_alloc.GetArgumentInfo(inst);
@@ -598,6 +681,30 @@ void EmitX64<JST>::EmitRotateRight(EmitContext& ctx, IR::Inst* inst) {
     }
 }
 
+template <typename JST>
+void EmitX64<JST>::EmitRotateRight64(EmitContext& ctx, IR::Inst* inst) {
+    auto args = ctx.reg_alloc.GetArgumentInfo(inst);
+    auto& operand_arg = args[0];
+    auto& shift_arg = args[1];
+
+    if (shift_arg.IsImmediate()) {
+        u8 shift = shift_arg.GetImmediateU8();
+        Xbyak::Reg64 result = ctx.reg_alloc.UseScratchGpr(operand_arg);
+
+        code->ror(result, u8(shift & 0x3F));
+
+        ctx.reg_alloc.DefineValue(inst, result);
+    } else {
+        ctx.reg_alloc.Use(shift_arg, HostLoc::RCX);
+        Xbyak::Reg64 result = ctx.reg_alloc.UseScratchGpr(operand_arg);
+
+        // x64 ROR instruction does (shift & 0x3F) for us.
+        code->ror(result, code->cl);
+
+        ctx.reg_alloc.DefineValue(inst, result);
+    }
+}
+
 template <typename JST>
 void EmitX64<JST>::EmitRotateRightExtended(EmitContext& ctx, IR::Inst* inst) {
     auto carry_inst = inst->GetAssociatedPseudoOperation(IR::Opcode::GetCarryFromOp);

src/frontend/A32/translate/translate_arm/multiply.cpp

@@ -48,9 +48,9 @@ bool ArmTranslatorVisitor::arm_SMLAL(Cond cond, bool S, Reg dHi, Reg dLo, Reg m,
     if (ConditionPassed(cond)) {
         auto n64 = ir.SignExtendWordToLong(ir.GetRegister(n));
         auto m64 = ir.SignExtendWordToLong(ir.GetRegister(m));
-        auto product = ir.Mul64(n64, m64);
+        auto product = ir.Mul(n64, m64);
         auto addend = ir.Pack2x32To1x64(ir.GetRegister(dLo), ir.GetRegister(dHi));
-        auto result = ir.Add64(product, addend);
+        auto result = ir.Add(product, addend);
         auto lo = ir.LeastSignificantWord(result);
         auto hi = ir.MostSignificantWord(result).result;
         ir.SetRegister(dLo, lo);
@@ -71,7 +71,7 @@ bool ArmTranslatorVisitor::arm_SMULL(Cond cond, bool S, Reg dHi, Reg dLo, Reg m,
     if (ConditionPassed(cond)) {
         auto n64 = ir.SignExtendWordToLong(ir.GetRegister(n));
         auto m64 = ir.SignExtendWordToLong(ir.GetRegister(m));
-        auto result = ir.Mul64(n64, m64);
+        auto result = ir.Mul(n64, m64);
         auto lo = ir.LeastSignificantWord(result);
         auto hi = ir.MostSignificantWord(result).result;
         ir.SetRegister(dLo, lo);
@@ -94,7 +94,7 @@ bool ArmTranslatorVisitor::arm_UMAAL(Cond cond, Reg dHi, Reg dLo, Reg m, Reg n)
         auto hi64 = ir.ZeroExtendWordToLong(ir.GetRegister(dHi));
         auto n64 = ir.ZeroExtendWordToLong(ir.GetRegister(n));
         auto m64 = ir.ZeroExtendWordToLong(ir.GetRegister(m));
-        auto result = ir.Add64(ir.Add64(ir.Mul64(n64, m64), hi64), lo64);
+        auto result = ir.Add(ir.Add(ir.Mul(n64, m64), hi64), lo64);
         ir.SetRegister(dLo, ir.LeastSignificantWord(result));
         ir.SetRegister(dHi, ir.MostSignificantWord(result).result);
     }
@@ -110,7 +110,7 @@ bool ArmTranslatorVisitor::arm_UMLAL(Cond cond, bool S, Reg dHi, Reg dLo, Reg m,
         auto addend = ir.Pack2x32To1x64(ir.GetRegister(dLo), ir.GetRegister(dHi));
         auto n64 = ir.ZeroExtendWordToLong(ir.GetRegister(n));
         auto m64 = ir.ZeroExtendWordToLong(ir.GetRegister(m));
-        auto result = ir.Add64(ir.Mul64(n64, m64), addend);
+        auto result = ir.Add(ir.Mul(n64, m64), addend);
         auto lo = ir.LeastSignificantWord(result);
         auto hi = ir.MostSignificantWord(result).result;
         ir.SetRegister(dLo, lo);
@@ -131,7 +131,7 @@ bool ArmTranslatorVisitor::arm_UMULL(Cond cond, bool S, Reg dHi, Reg dLo, Reg m,
     if (ConditionPassed(cond)) {
         auto n64 = ir.ZeroExtendWordToLong(ir.GetRegister(n));
         auto m64 = ir.ZeroExtendWordToLong(ir.GetRegister(m));
-        auto result = ir.Mul64(n64, m64);
+        auto result = ir.Mul(n64, m64);
         auto lo = ir.LeastSignificantWord(result);
         auto hi = ir.MostSignificantWord(result).result;
         ir.SetRegister(dLo, lo);
@@ -160,7 +160,7 @@ bool ArmTranslatorVisitor::arm_SMLALxy(Cond cond, Reg dHi, Reg dLo, Reg m, bool
                      : ir.SignExtendHalfToWord(ir.LeastSignificantHalf(m32));
         auto product = ir.SignExtendWordToLong(ir.Mul(n16, m16));
         auto addend = ir.Pack2x32To1x64(ir.GetRegister(dLo), ir.GetRegister(dHi));
-        auto result = ir.Add64(product, addend);
+        auto result = ir.Add(product, addend);
         ir.SetRegister(dLo, ir.LeastSignificantWord(result));
         ir.SetRegister(dHi, ir.MostSignificantWord(result).result);
     }
@@ -212,7 +212,7 @@ bool ArmTranslatorVisitor::arm_SMLAWy(Cond cond, Reg d, Reg a, Reg m, bool M, Re
         if (M)
             m32 = ir.LogicalShiftRight(m32, ir.Imm8(16), ir.Imm1(0)).result;
         auto m16 = ir.SignExtendWordToLong(ir.SignExtendHalfToWord(ir.LeastSignificantHalf(m32)));
-        auto product = ir.LeastSignificantWord(ir.LogicalShiftRight64(ir.Mul64(n32, m16), ir.Imm8(16)));
+        auto product = ir.LeastSignificantWord(ir.LogicalShiftRight(ir.Mul(n32, m16), ir.Imm8(16)));
         auto result_overflow = ir.AddWithCarry(product, ir.GetRegister(a), ir.Imm1(0));
         ir.SetRegister(d, result_overflow.result);
         ir.OrQFlag(result_overflow.overflow);
@@ -229,7 +229,7 @@ bool ArmTranslatorVisitor::arm_SMULWy(Cond cond, Reg d, Reg m, bool M, Reg n) {
         if (M)
             m32 = ir.LogicalShiftRight(m32, ir.Imm8(16), ir.Imm1(0)).result;
         auto m16 = ir.SignExtendWordToLong(ir.SignExtendHalfToWord(ir.LeastSignificantHalf(m32)));
-        auto result = ir.LogicalShiftRight64(ir.Mul64(n32, m16), ir.Imm8(16));
+        auto result = ir.LogicalShiftRight(ir.Mul(n32, m16), ir.Imm8(16));
         ir.SetRegister(d, ir.LeastSignificantWord(result));
     }
     return true;
@@ -244,7 +244,7 @@ bool ArmTranslatorVisitor::arm_SMMLA(Cond cond, Reg d, Reg a, Reg m, bool R, Reg
         auto n64 = ir.SignExtendWordToLong(ir.GetRegister(n));
         auto m64 = ir.SignExtendWordToLong(ir.GetRegister(m));
         auto a64 = ir.Pack2x32To1x64(ir.Imm32(0), ir.GetRegister(a));
-        auto temp = ir.Add64(a64, ir.Mul64(n64, m64));
+        auto temp = ir.Add(a64, ir.Mul(n64, m64));
         auto result_carry = ir.MostSignificantWord(temp);
         auto result = result_carry.result;
         if (R)
@@ -261,7 +261,7 @@ bool ArmTranslatorVisitor::arm_SMMLS(Cond cond, Reg d, Reg a, Reg m, bool R, Reg
         auto n64 = ir.SignExtendWordToLong(ir.GetRegister(n));
         auto m64 = ir.SignExtendWordToLong(ir.GetRegister(m));
         auto a64 = ir.Pack2x32To1x64(ir.Imm32(0), ir.GetRegister(a));
-        auto temp = ir.Sub64(a64, ir.Mul64(n64, m64));
+        auto temp = ir.Sub(a64, ir.Mul(n64, m64));
         auto result_carry = ir.MostSignificantWord(temp);
         auto result = result_carry.result;
         if (R)
@@ -277,7 +277,7 @@ bool ArmTranslatorVisitor::arm_SMMUL(Cond cond, Reg d, Reg m, bool R, Reg n) {
     if (ConditionPassed(cond)) {
         auto n64 = ir.SignExtendWordToLong(ir.GetRegister(n));
         auto m64 = ir.SignExtendWordToLong(ir.GetRegister(m));
-        auto product = ir.Mul64(n64, m64);
+        auto product = ir.Mul(n64, m64);
         auto result_carry = ir.MostSignificantWord(product);
         auto result = result_carry.result;
         if (R)
@@ -332,7 +332,7 @@ bool ArmTranslatorVisitor::arm_SMLALD(Cond cond, Reg dHi, Reg dLo, Reg m, bool M
         auto product_lo = ir.SignExtendWordToLong(ir.Mul(n_lo, m_lo));
         auto product_hi = ir.SignExtendWordToLong(ir.Mul(n_hi, m_hi));
         auto addend = ir.Pack2x32To1x64(ir.GetRegister(dLo), ir.GetRegister(dHi));
-        auto result = ir.Add64(ir.Add64(product_lo, product_hi), addend);
+        auto result = ir.Add(ir.Add(product_lo, product_hi), addend);
         ir.SetRegister(dLo, ir.LeastSignificantWord(result));
         ir.SetRegister(dHi, ir.MostSignificantWord(result).result);
     }
@@ -380,7 +380,7 @@ bool ArmTranslatorVisitor::arm_SMLSLD(Cond cond, Reg dHi, Reg dLo, Reg m, bool M
         auto product_lo = ir.SignExtendWordToLong(ir.Mul(n_lo, m_lo));
         auto product_hi = ir.SignExtendWordToLong(ir.Mul(n_hi, m_hi));
         auto addend = ir.Pack2x32To1x64(ir.GetRegister(dLo), ir.GetRegister(dHi));
-        auto result = ir.Add64(ir.Sub64(product_lo, product_hi), addend);
+        auto result = ir.Add(ir.Sub(product_lo, product_hi), addend);
         ir.SetRegister(dLo, ir.LeastSignificantWord(result));
         ir.SetRegister(dHi, ir.MostSignificantWord(result).result);
     }

src/frontend/A64/decoder/a64.h

@@ -373,7 +373,7 @@ std::vector<Matcher<V>> GetDecodeTable() {
         //INST(&V::BICS,                   "BICS (shifted register)",                   "z1101010ss1mmmmmiiiiiinnnnnddddd"),
 
         // Data Processing - Register - Add/Sub (shifted register)
-        //INST(&V::ADD_shift,              "ADD (shifted register)",                    "z0001011ss0mmmmmiiiiiinnnnnddddd"),
+        INST(&V::ADD_shift,              "ADD (shifted register)",                    "z0001011ss0mmmmmiiiiiinnnnnddddd"),
         //INST(&V::ADDS_shift,             "ADDS (shifted register)",                   "z0101011ss0mmmmmiiiiiinnnnnddddd"),
         //INST(&V::SUB_shift,              "SUB (shifted register)",                    "z1001011ss0mmmmmiiiiiinnnnnddddd"),
         //INST(&V::SUBS_shift,             "SUBS (shifted register)",                   "z1101011ss0mmmmmiiiiiinnnnnddddd"),

src/frontend/A64/imm.h

@@ -28,13 +28,13 @@ public:
 
     template <typename T = u32>
     T ZeroExtend() const {
-        static_assert(Common::BitSize<T>() <= bit_size);
+        static_assert(Common::BitSize<T>() >= bit_size);
         return value;
     }
 
     template <typename T = s32>
     T SignExtend() const {
-        static_assert(Common::BitSize<T>() <= bit_size);
+        static_assert(Common::BitSize<T>() >= bit_size);
         return static_cast<T>(Common::SignExtend<bit_size>(value));
     }
 

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

@@ -0,0 +1,31 @@
+/* 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::ADD_shift(bool sf, Imm<2> shift, Reg Rm, Imm<6> imm6, Reg Rn, Reg Rd) {
+    size_t datasize = sf ? 64 : 32;
+
+    if (shift == 0b11) return ReservedValue();
+    if (!sf && imm6.Bit<5>()) return ReservedValue();
+
+    u8 shift_amount = imm6.ZeroExtend<u8>();
+
+    auto operand1 = X(datasize, Rn);
+    auto operand2 = ShiftReg(datasize, Rm, shift, ir.Imm8(shift_amount));
+
+    auto result = ir.Add(operand1, operand2);
+
+    X(datasize, Rd, result);
+
+    return true;
+}
+
+} // namespace A64
+} // namespace Dynarmic

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

@@ -0,0 +1,70 @@
+/* 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/ir/terminal.h"
+#include "frontend/A64/translate/impl/impl.h"
+
+namespace Dynarmic {
+namespace A64 {
+
+bool TranslatorVisitor::InterpretThisInstruction() {
+    ir.SetTerm(IR::Term::Interpret(ir.current_location));
+    return false;
+}
+
+bool TranslatorVisitor::UnpredictableInstruction() {
+    ASSERT_MSG(false, "UNPREDICTABLE");
+    return false;
+}
+
+bool TranslatorVisitor::ReservedValue() {
+    ASSERT_MSG(false, "RESERVEDVALUE");
+    return false;
+}
+
+IR::U32U64 TranslatorVisitor::X(size_t bitsize, Reg reg) {
+    switch (bitsize) {
+    case 32:
+        return ir.GetW(reg);
+    case 64:
+        return ir.GetX(reg);
+    default:
+        ASSERT_MSG(false, "X - get: Invalid bitsize");
+        return {};
+    }
+}
+
+void TranslatorVisitor::X(size_t bitsize, Reg reg, IR::U32U64 value) {
+    switch (bitsize) {
+    case 32:
+        ir.SetW(reg, value);
+        return;
+    case 64:
+        ir.SetX(reg, value);
+        return;
+    default:
+        ASSERT_MSG(false, "X - set: Invalid bitsize");
+    }
+}
+
+IR::U32U64 TranslatorVisitor::ShiftReg(size_t bitsize, Reg reg, Imm<2> shift, IR::U8 amount) {
+    auto result = X(bitsize, reg);
+    switch (shift.ZeroExtend()) {
+    case 0b00:
+        return ir.LogicalShiftLeft(result, amount);
+    case 0b01:
+        return ir.LogicalShiftRight(result, amount);
+    case 0b10:
+        return ir.ArithmeticShiftRight(result, amount);
+    case 0b11:
+        return ir.RotateRight(result, amount);
+    }
+    ASSERT_MSG(false, "Unreachable");
+    return {};
+}
+
+} // namespace A64
+} // namespace Dynarmic

src/frontend/A64/translate/impl/impl.h

@@ -23,6 +23,12 @@ struct TranslatorVisitor final {
 
     bool InterpretThisInstruction();
     bool UnpredictableInstruction();
+    bool ReservedValue();
+
+    IR::U32U64 X(size_t bitsize, Reg reg);
+    void X(size_t bitsize, Reg reg, IR::U32U64 value);
+
+    IR::U32U64 ShiftReg(size_t bitsize, Reg reg, Imm<2> shift, IR::U8 amount);
 
     // Data processing - Immediate - PC relative addressing
     bool ADR(Imm<2> immlo, Imm<19> immhi, Reg Rd);

src/frontend/A64/translate/translate.cpp

@@ -4,6 +4,7 @@
  * General Public License version 2 or any later version.
  */
 
+#include "frontend/A64/decoder/a64.h"
 #include "frontend/A64/location_descriptor.h"
 #include "frontend/A64/translate/impl/impl.h"
 #include "frontend/A64/translate/translate.h"
@@ -12,9 +13,29 @@
 namespace Dynarmic {
 namespace A64 {
 
-IR::Block Translate(LocationDescriptor descriptor, MemoryReadCodeFuncType /*memory_read_code*/) {
+IR::Block Translate(LocationDescriptor descriptor, MemoryReadCodeFuncType memory_read_code) {
-    // TODO
+    TranslatorVisitor visitor{descriptor};
-    return IR::Block{descriptor};
+
+    bool should_continue = true;
+    while (should_continue) {
+        const u64 pc = visitor.ir.current_location.PC();
+        const u32 instruction = memory_read_code(pc);
+
+        if (auto decoder = Decode<TranslatorVisitor>(instruction)) {
+            should_continue = decoder->call(visitor, instruction);
+        } else {
+            should_continue = visitor.InterpretThisInstruction();
+        }
+
+        visitor.ir.current_location = visitor.ir.current_location.AdvancePC(4);
+        visitor.ir.block.CycleCount()++;
+    }
+
+    ASSERT_MSG(visitor.ir.block.HasTerminal(), "Terminal has not been set");
+
+    visitor.ir.block.SetEndLocation(visitor.ir.current_location);
+
+    return std::move(visitor.ir.block);
 }
 
 } // namespace A64

src/frontend/ir/basic_block.cpp

@@ -14,6 +14,7 @@
 
 #include "common/assert.h"
 #include "frontend/A32/types.h"
+#include "frontend/A64/types.h"
 #include "frontend/ir/basic_block.h"
 #include "frontend/ir/opcodes.h"
 
@@ -22,7 +23,7 @@ namespace IR {
 
 void Block::AppendNewInst(Opcode opcode, std::initializer_list<IR::Value> args) {
     IR::Inst* inst = new(instruction_alloc_pool->Alloc()) IR::Inst(opcode);
-    DEBUG_ASSERT(args.size() == inst->NumArgs());
+    ASSERT(args.size() == inst->NumArgs());
 
     std::for_each(args.begin(), args.end(), [&inst, index = size_t(0)](const auto& arg) mutable {
         inst->SetArg(index, arg);
@@ -165,6 +166,10 @@ std::string DumpBlock(const IR::Block& block) {
             return A32::RegToString(arg.GetA32RegRef());
         case Type::A32ExtReg:
             return A32::ExtRegToString(arg.GetA32ExtRegRef());
+        case Type::A64Reg:
+            return A64::RegToString(arg.GetA64RegRef());
+        case Type::A64Vec:
+            return A64::VecToString(arg.GetA64VecRef());
         default:
             return "<unknown immediate type>";
         }

src/frontend/ir/ir_emitter.cpp

@@ -70,29 +70,25 @@ U1 IREmitter::IsZero64(const U64& value) {
 }
 
 ResultAndCarry<U32> IREmitter::LogicalShiftLeft(const U32& value_in, const U8& shift_amount, const U1& carry_in) {
-    auto result = Inst<U32>(Opcode::LogicalShiftLeft, value_in, shift_amount, carry_in);
+    auto result = Inst<U32>(Opcode::LogicalShiftLeft32, value_in, shift_amount, carry_in);
     auto carry_out = Inst<U1>(Opcode::GetCarryFromOp, result);
     return {result, carry_out};
 }
 
 ResultAndCarry<U32> IREmitter::LogicalShiftRight(const U32& value_in, const U8& shift_amount, const U1& carry_in) {
-    auto result = Inst<U32>(Opcode::LogicalShiftRight, value_in, shift_amount, carry_in);
+    auto result = Inst<U32>(Opcode::LogicalShiftRight32, value_in, shift_amount, carry_in);
     auto carry_out = Inst<U1>(Opcode::GetCarryFromOp, result);
     return {result, carry_out};
 }
 
-U64 IREmitter::LogicalShiftRight64(const U64& value_in, const U8& shift_amount) {
-    return Inst<U64>(Opcode::LogicalShiftRight64, value_in, shift_amount);
-}
-
 ResultAndCarry<U32> IREmitter::ArithmeticShiftRight(const U32& value_in, const U8& shift_amount, const U1& carry_in) {
-    auto result = Inst<U32>(Opcode::ArithmeticShiftRight, value_in, shift_amount, carry_in);
+    auto result = Inst<U32>(Opcode::ArithmeticShiftRight32, value_in, shift_amount, carry_in);
     auto carry_out = Inst<U1>(Opcode::GetCarryFromOp, result);
     return {result, carry_out};
 }
 
 ResultAndCarry<U32> IREmitter::RotateRight(const U32& value_in, const U8& shift_amount, const U1& carry_in) {
-    auto result = Inst<U32>(Opcode::RotateRight, value_in, shift_amount, carry_in);
+    auto result = Inst<U32>(Opcode::RotateRight32, value_in, shift_amount, carry_in);
     auto carry_out = Inst<U1>(Opcode::GetCarryFromOp, result);
     return {result, carry_out};
 }
@@ -103,6 +99,42 @@ ResultAndCarry<U32> IREmitter::RotateRightExtended(const U32& value_in, const U1
     return {result, carry_out};
 }
 
+U64 IREmitter::LogicalShiftRight(const U64& value_in, const U8& shift_amount) {
+    return Inst<U64>(Opcode::LogicalShiftRight64, value_in, shift_amount);
+}
+
+U32U64 IREmitter::LogicalShiftLeft(const U32U64& value_in, const U8& shift_amount) {
+    if (value_in.GetType() == Type::U32) {
+        return Inst<U32>(Opcode::LogicalShiftLeft32, value_in, shift_amount, Imm1(0));
+    } else {
+        return Inst<U64>(Opcode::LogicalShiftLeft64, value_in, shift_amount);
+    }
+}
+
+U32U64 IREmitter::LogicalShiftRight(const U32U64& value_in, const U8& shift_amount) {
+    if (value_in.GetType() == Type::U32) {
+        return Inst<U32>(Opcode::LogicalShiftRight32, value_in, shift_amount, Imm1(0));
+    } else {
+        return Inst<U64>(Opcode::LogicalShiftRight64, value_in, shift_amount);
+    }
+}
+
+U32U64 IREmitter::ArithmeticShiftRight(const U32U64& value_in, const U8& shift_amount) {
+    if (value_in.GetType() == Type::U32) {
+        return Inst<U32>(Opcode::ArithmeticShiftRight32, value_in, shift_amount, Imm1(0));
+    } else {
+        return Inst<U64>(Opcode::ArithmeticShiftRight64, value_in, shift_amount);
+    }
+}
+
+U32U64 IREmitter::RotateRight(const U32U64& value_in, const U8& shift_amount) {
+    if (value_in.GetType() == Type::U32) {
+        return Inst<U32>(Opcode::RotateRight32, value_in, shift_amount, Imm1(0));
+    } else {
+        return Inst<U64>(Opcode::RotateRight64, value_in, shift_amount);
+    }
+}
+
 ResultAndCarryAndOverflow<U32> IREmitter::AddWithCarry(const Value& a, const Value& b, const U1& carry_in) {
     auto result = Inst<U32>(Opcode::AddWithCarry, a, b, carry_in);
     auto carry_out = Inst<U1>(Opcode::GetCarryFromOp, result);
@@ -114,10 +146,19 @@ U32 IREmitter::Add(const U32& a, const U32& b) {
     return Inst<U32>(Opcode::AddWithCarry, a, b, Imm1(0));
 }
 
-U64 IREmitter::Add64(const U64& a, const U64& b) {
+U64 IREmitter::Add(const U64& a, const U64& b) {
     return Inst<U64>(Opcode::Add64, a, b);
 }
 
+U32U64 IREmitter::Add(const U32U64& a, const U32U64& b) {
+    ASSERT(a.GetType() == b.GetType());
+    if (a.GetType() == Type::U32) {
+        return Inst<U32>(Opcode::AddWithCarry, a, b, Imm1(0));
+    } else {
+        return Inst<U64>(Opcode::Add64, a, b);
+    }
+}
+
 ResultAndCarryAndOverflow<U32> IREmitter::SubWithCarry(const U32& a, const U32& b, const U1& carry_in) {
     // This is equivalent to AddWithCarry(a, Not(b), carry_in).
     auto result = Inst<U32>(Opcode::SubWithCarry, a, b, carry_in);
@@ -130,7 +171,7 @@ U32 IREmitter::Sub(const U32& a, const U32& b) {
     return Inst<U32>(Opcode::SubWithCarry, a, b, Imm1(1));
 }
 
-U64 IREmitter::Sub64(const U64& a, const U64& b) {
+U64 IREmitter::Sub(const U64& a, const U64& b) {
     return Inst<U64>(Opcode::Sub64, a, b);
 }
 
@@ -138,7 +179,7 @@ U32 IREmitter::Mul(const U32& a, const U32& b) {
     return Inst<U32>(Opcode::Mul, a, b);
 }
 
-U64 IREmitter::Mul64(const U64& a, const U64& b) {
+U64 IREmitter::Mul(const U64& a, const U64& b) {
     return Inst<U64>(Opcode::Mul64, a, b);
 }
 

src/frontend/ir/ir_emitter.h

@@ -84,18 +84,23 @@ public:
 
     ResultAndCarry<U32> LogicalShiftLeft(const U32& value_in, const U8& shift_amount, const U1& carry_in);
     ResultAndCarry<U32> LogicalShiftRight(const U32& value_in, const U8& shift_amount, const U1& carry_in);
-    U64 LogicalShiftRight64(const U64& value_in, const U8& shift_amount);
     ResultAndCarry<U32> ArithmeticShiftRight(const U32& value_in, const U8& shift_amount, const U1& carry_in);
     ResultAndCarry<U32> RotateRight(const U32& value_in, const U8& shift_amount, const U1& carry_in);
+    U64 LogicalShiftRight(const U64& value_in, const U8& shift_amount);
+    U32U64 LogicalShiftLeft(const U32U64& value_in, const U8& shift_amount);
+    U32U64 LogicalShiftRight(const U32U64& value_in, const U8& shift_amount);
+    U32U64 ArithmeticShiftRight(const U32U64& value_in, const U8& shift_amount);
+    U32U64 RotateRight(const U32U64& value_in, const U8& shift_amount);
     ResultAndCarry<U32> RotateRightExtended(const U32& value_in, const U1& carry_in);
     ResultAndCarryAndOverflow<U32> AddWithCarry(const Value& a, const Value& b, const U1& carry_in);
     U32 Add(const U32& a, const U32& b);
-    U64 Add64(const U64& a, const U64& b);
+    U64 Add(const U64& a, const U64& b);
+    U32U64 Add(const U32U64& a, const U32U64& b);
     ResultAndCarryAndOverflow<U32> SubWithCarry(const U32& a, const U32& b, const U1& carry_in);
     U32 Sub(const U32& a, const U32& b);
-    U64 Sub64(const U64& a, const U64& b);
+    U64 Sub(const U64& a, const U64& b);
     U32 Mul(const U32& a, const U32& b);
-    U64 Mul64(const U64& a, const U64& b);
+    U64 Mul(const U64& a, const U64& b);
     U32 And(const U32& a, const U32& b);
     U32 Eor(const U32& a, const U32& b);
     U32 Or(const U32& a, const U32& b);

src/frontend/ir/microinstruction.cpp

@@ -13,18 +13,21 @@ namespace Dynarmic {
 namespace IR {
 
 bool Inst::IsArithmeticShift() const {
-    return op == Opcode::ArithmeticShiftRight;
+    return op == Opcode::ArithmeticShiftRight32 ||
+           op == Opcode::ArithmeticShiftRight64;
 }
 
 bool Inst::IsCircularShift() const {
-    return op == Opcode::RotateRight ||
+    return op == Opcode::RotateRight32 ||
+           op == Opcode::RotateRight64 ||
            op == Opcode::RotateRightExtended;
 }
 
 bool Inst::IsLogicalShift() const {
     switch (op) {
-    case Opcode::LogicalShiftLeft:
+    case Opcode::LogicalShiftLeft32:
-    case Opcode::LogicalShiftRight:
+    case Opcode::LogicalShiftLeft64:
+    case Opcode::LogicalShiftRight32:
     case Opcode::LogicalShiftRight64:
         return true;
 
@@ -133,6 +136,8 @@ bool Inst::ReadsFromCoreRegister() const {
     case Opcode::A32GetRegister:
     case Opcode::A32GetExtendedRegister32:
     case Opcode::A32GetExtendedRegister64:
+    case Opcode::A64GetW:
+    case Opcode::A64GetX:
         return true;
 
     default:
@@ -146,6 +151,8 @@ bool Inst::WritesToCoreRegister() const {
     case Opcode::A32SetExtendedRegister32:
     case Opcode::A32SetExtendedRegister64:
     case Opcode::A32BXWritePC:
+    case Opcode::A64SetW:
+    case Opcode::A64SetX:
         return true;
 
     default:

src/frontend/ir/opcodes.cpp

@@ -28,9 +28,11 @@ struct Meta {
 static const std::map<Opcode, Meta> opcode_info {{
 #define OPCODE(name, type, ...) { Opcode::name, { #name, type, { __VA_ARGS__ } } },
 #define A32OPC(name, type, ...) { Opcode::A32##name, { #name, type, { __VA_ARGS__ } } },
+#define A64OPC(name, type, ...) { Opcode::A64##name, { #name, type, { __VA_ARGS__ } } },
 #include "opcodes.inc"
 #undef OPCODE
 #undef A32OPC
+#undef A64OPC
 }};
 
 } // namespace OpcodeInfo

src/frontend/ir/opcodes.h

@@ -18,9 +18,11 @@ namespace IR {
 enum class Opcode {
 #define OPCODE(name, type, ...) name,
 #define A32OPC(name, type, ...) A32##name,
+#define A64OPC(name, type, ...) A64##name,
 #include "opcodes.inc"
 #undef OPCODE
 #undef A32OPC
+#undef A64OPC
     NUM_OPCODE
 };
 

src/frontend/ir/opcodes.inc

@@ -34,6 +34,12 @@ A32OPC(SetFpscr,                T::Void,        T::U32,
 A32OPC(GetFpscrNZCV,            T::U32,                                                         )
 A32OPC(SetFpscrNZCV,            T::Void,        T::U32,                                         )
 
+// A64 Context getters/setters
+A64OPC(GetW,                    T::U32,         T::A64Reg                                       )
+A64OPC(GetX,                    T::U64,         T::A64Reg                                       )
+A64OPC(SetW,                    T::Void,        T::A64Reg,      T::U32                          )
+A64OPC(SetX,                    T::Void,        T::A64Reg,      T::U64                          )
+
 // Hints
 OPCODE(PushRSB,                 T::Void,        T::U64                                          )
 
@@ -51,11 +57,14 @@ OPCODE(LeastSignificantByte,    T::U8,          T::U32
 OPCODE(MostSignificantBit,      T::U1,          T::U32                                          )
 OPCODE(IsZero,                  T::U1,          T::U32                                          )
 OPCODE(IsZero64,                T::U1,          T::U64                                          )
-OPCODE(LogicalShiftLeft,        T::U32,         T::U32,         T::U8,          T::U1           )
+OPCODE(LogicalShiftLeft32,      T::U32,         T::U32,         T::U8,          T::U1           )
-OPCODE(LogicalShiftRight,       T::U32,         T::U32,         T::U8,          T::U1           )
+OPCODE(LogicalShiftLeft64,      T::U64,         T::U64,         T::U8                           )
+OPCODE(LogicalShiftRight32,     T::U32,         T::U32,         T::U8,          T::U1           )
 OPCODE(LogicalShiftRight64,     T::U64,         T::U64,         T::U8                           )
-OPCODE(ArithmeticShiftRight,    T::U32,         T::U32,         T::U8,          T::U1           )
+OPCODE(ArithmeticShiftRight32,  T::U32,         T::U32,         T::U8,          T::U1           )
-OPCODE(RotateRight,             T::U32,         T::U32,         T::U8,          T::U1           )
+OPCODE(ArithmeticShiftRight64,  T::U64,         T::U64,         T::U8                           )
+OPCODE(RotateRight32,           T::U32,         T::U32,         T::U8,          T::U1           )
+OPCODE(RotateRight64,           T::U64,         T::U64,         T::U8                           )
 OPCODE(RotateRightExtended,     T::U32,         T::U32,         T::U1                           )
 OPCODE(AddWithCarry,            T::U32,         T::U32,         T::U32,         T::U1           )
 OPCODE(SubWithCarry,            T::U32,         T::U32,         T::U32,         T::U1           )

src/frontend/ir/value.h

@@ -6,6 +6,8 @@
 
 #pragma once
 
+#include <type_traits>
+
 #include "common/assert.h"
 #include "common/common_types.h"
 #include "frontend/A32/types.h"
@@ -76,9 +78,8 @@ class TypedValue final : public Value {
 public:
     TypedValue() : Value() {}
 
-    template <Type other_type>
+    template <Type other_type, typename = std::enable_if_t<(other_type & type_) != Type::Void>>
     /* implicit */ TypedValue(const TypedValue<other_type>& value) : Value(value) {
-        static_assert((other_type & type_) != Type::Void);
         ASSERT((value.GetType() & type_) != Type::Void);
     }
 
@@ -92,6 +93,7 @@ using U8 = TypedValue<Type::U8>;
 using U16 = TypedValue<Type::U16>;
 using U32 = TypedValue<Type::U32>;
 using U64 = TypedValue<Type::U64>;
+using U32U64 = TypedValue<Type::U32 | Type::U64>;
 using F32 = TypedValue<Type::F32>;
 using F64 = TypedValue<Type::F64>;
 using F128 = TypedValue<Type::F128>;

src/ir_opt/constant_propagation_pass.cpp

@@ -23,10 +23,10 @@ void ConstantPropagation(IR::Block& block, const A32::UserCallbacks::Memory& mem
             }
             break;
         }
-        case IR::Opcode::LogicalShiftLeft:
+        case IR::Opcode::LogicalShiftLeft32:
-        case IR::Opcode::LogicalShiftRight:
+        case IR::Opcode::LogicalShiftRight32:
-        case IR::Opcode::ArithmeticShiftRight:
+        case IR::Opcode::ArithmeticShiftRight32:
-        case IR::Opcode::RotateRight: {
+        case IR::Opcode::RotateRight32: {
             if (!inst.GetAssociatedPseudoOperation(IR::Opcode::GetCarryFromOp)) {
                 inst.SetArg(2, IR::Value(false));
             }

tests/A64/a64.cpp

@@ -1,5 +1,5 @@
 /* This file is part of the dynarmic project.
- * Copyright (c) 2016 MerryMage
+ * 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.
  */
@@ -14,6 +14,7 @@
 #include "common/common_types.h"
 
 class TestEnv final : public Dynarmic::A64::UserCallbacks {
+public:
     u64 ticks_left = 0;
     std::array<u32, 3000> code_mem{};
 
@@ -22,7 +23,7 @@ class TestEnv final : public Dynarmic::A64::UserCallbacks {
             size_t index = vaddr / sizeof(u32);
             return code_mem[index];
         }
-        ASSERT_MSG(false, "MemoryReadCode(%llx)", vaddr);
+        return 0x14000000; // B .
     }
 
     std::uint8_t MemoryRead8(u64 vaddr) override { ASSERT_MSG(false, "MemoryRead8(%llx)", vaddr); }
@@ -49,10 +50,25 @@ class TestEnv final : public Dynarmic::A64::UserCallbacks {
     std::uint64_t GetTicksRemaining() override {
         return ticks_left;
     }
-
 };
 
-TEST_CASE("A64", "[a64]") {
+TEST_CASE("A64: ADD", "[a64]") {
     TestEnv env;
     Dynarmic::A64::Jit jit{Dynarmic::A64::UserConfig{&env}};
+
+    env.code_mem[0] = 0x8b020020; // ADD X0, X1, X2
+    env.code_mem[1] = 0x14000000; // B .
+
+    jit.SetRegister(0, 0);
+    jit.SetRegister(1, 1);
+    jit.SetRegister(2, 2);
+    jit.SetPC(0);
+
+    env.ticks_left = 2;
+    jit.Run();
+
+    REQUIRE(jit.GetRegister(0) == 3);
+    REQUIRE(jit.GetRegister(1) == 1);
+    REQUIRE(jit.GetRegister(2) == 2);
+    REQUIRE(jit.GetPC() == 4);
 }