|
|
@@ -0,0 +1,633 @@
|
|
|
+// Copyright 2020 yuzu Emulator Project
|
|
|
+// Licensed under GPLv2 or any later version
|
|
|
+// Refer to the license.txt file included.
|
|
|
+
|
|
|
+#include "common/assert.h"
|
|
|
+#include "common/logging/log.h"
|
|
|
+#include "common/microprofile.h"
|
|
|
+#include "common/x64/xbyak_util.h"
|
|
|
+#include "video_core/engines/maxwell_3d.h"
|
|
|
+#include "video_core/macro/macro_interpreter.h"
|
|
|
+#include "video_core/macro/macro_jit_x64.h"
|
|
|
+
|
|
|
+MICROPROFILE_DEFINE(MacroJitCompile, "GPU", "Compile macro JIT", MP_RGB(173, 255, 47));
|
|
|
+MICROPROFILE_DEFINE(MacroJitExecute, "GPU", "Execute macro JIT", MP_RGB(255, 255, 0));
|
|
|
+
|
|
|
+namespace Tegra {
|
|
|
+using JitFunction = void (MacroJITx64Impl::*)(Macro::Opcode opcode);
|
|
|
+const std::array<JitFunction, 8> InstructionTable{
|
|
|
+ &MacroJITx64Impl::Compile_ALU,
|
|
|
+ &MacroJITx64Impl::Compile_AddImmediate,
|
|
|
+ &MacroJITx64Impl::Compile_ExtractInsert,
|
|
|
+ &MacroJITx64Impl::Compile_ExtractShiftLeftImmediate,
|
|
|
+ &MacroJITx64Impl::Compile_ExtractShiftLeftRegister,
|
|
|
+ &MacroJITx64Impl::Compile_Read,
|
|
|
+ nullptr,
|
|
|
+ &MacroJITx64Impl::Compile_Branch,
|
|
|
+};
|
|
|
+
|
|
|
+static const Xbyak::Reg64 PARAMETERS = Xbyak::util::r9;
|
|
|
+static const Xbyak::Reg64 REGISTERS = Xbyak::util::r10;
|
|
|
+static const Xbyak::Reg64 STATE = Xbyak::util::r11;
|
|
|
+static const Xbyak::Reg64 NEXT_PARAMETER = Xbyak::util::r12;
|
|
|
+static const Xbyak::Reg32 RESULT = Xbyak::util::r13d;
|
|
|
+static const Xbyak::Reg64 RESULT_64 = Xbyak::util::r13;
|
|
|
+static const Xbyak::Reg32 METHOD_ADDRESS = Xbyak::util::r14d;
|
|
|
+static const Xbyak::Reg64 METHOD_ADDRESS_64 = Xbyak::util::r14;
|
|
|
+static const Xbyak::Reg64 BRANCH_HOLDER = Xbyak::util::r15;
|
|
|
+
|
|
|
+static const std::bitset<32> PERSISTENT_REGISTERS = Common::X64::BuildRegSet({
|
|
|
+ PARAMETERS,
|
|
|
+ REGISTERS,
|
|
|
+ STATE,
|
|
|
+ NEXT_PARAMETER,
|
|
|
+ RESULT,
|
|
|
+ METHOD_ADDRESS,
|
|
|
+ BRANCH_HOLDER,
|
|
|
+});
|
|
|
+
|
|
|
+MacroJITx64::MacroJITx64(Engines::Maxwell3D& maxwell3d) : maxwell3d(maxwell3d) {}
|
|
|
+
|
|
|
+std::unique_ptr<CachedMacro> MacroJITx64::Compile(const std::vector<u32>& code) {
|
|
|
+ return std::make_unique<MacroJITx64Impl>(maxwell3d, code);
|
|
|
+}
|
|
|
+
|
|
|
+MacroJITx64Impl::MacroJITx64Impl(Engines::Maxwell3D& maxwell3d, const std::vector<u32>& code)
|
|
|
+ : Xbyak::CodeGenerator(MAX_CODE_SIZE), code(code), maxwell3d(maxwell3d) {
|
|
|
+ Compile();
|
|
|
+}
|
|
|
+
|
|
|
+MacroJITx64Impl::~MacroJITx64Impl() = default;
|
|
|
+
|
|
|
+void MacroJITx64Impl::Execute(std::vector<u32>& parameters, u32 method) {
|
|
|
+ MICROPROFILE_SCOPE(MacroJitExecute);
|
|
|
+ ASSERT_OR_EXECUTE(program != nullptr, { return; });
|
|
|
+ JITState state{};
|
|
|
+ state.maxwell3d = &maxwell3d;
|
|
|
+ state.registers = {};
|
|
|
+ state.parameters = parameters.data();
|
|
|
+ program(&state);
|
|
|
+}
|
|
|
+
|
|
|
+void MacroJITx64Impl::Compile_ALU(Macro::Opcode opcode) {
|
|
|
+ const bool is_a_zero = opcode.src_a == 0;
|
|
|
+ const bool is_b_zero = opcode.src_b == 0;
|
|
|
+ const bool valid_operation = !is_a_zero && !is_b_zero;
|
|
|
+ const bool is_move_operation = !is_a_zero && is_b_zero;
|
|
|
+ const bool has_zero_register = is_a_zero || is_b_zero;
|
|
|
+
|
|
|
+ Xbyak::Reg64 src_a;
|
|
|
+ Xbyak::Reg32 src_b;
|
|
|
+
|
|
|
+ if (!optimizer.zero_reg_skip) {
|
|
|
+ src_a = Compile_GetRegister(opcode.src_a, RESULT_64);
|
|
|
+ src_b = Compile_GetRegister(opcode.src_b, ebx);
|
|
|
+ } else {
|
|
|
+ if (!is_a_zero) {
|
|
|
+ src_a = Compile_GetRegister(opcode.src_a, RESULT_64);
|
|
|
+ }
|
|
|
+ if (!is_b_zero) {
|
|
|
+ src_b = Compile_GetRegister(opcode.src_b, ebx);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ Xbyak::Label skip_carry{};
|
|
|
+
|
|
|
+ bool has_emitted = false;
|
|
|
+
|
|
|
+ switch (opcode.alu_operation) {
|
|
|
+ case Macro::ALUOperation::Add:
|
|
|
+ if (optimizer.zero_reg_skip) {
|
|
|
+ if (valid_operation) {
|
|
|
+ add(src_a, src_b);
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ add(src_a, src_b);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!optimizer.can_skip_carry) {
|
|
|
+ setc(byte[STATE + offsetof(JITState, carry_flag)]);
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ case Macro::ALUOperation::AddWithCarry:
|
|
|
+ bt(dword[STATE + offsetof(JITState, carry_flag)], 0);
|
|
|
+ adc(src_a, src_b);
|
|
|
+ setc(byte[STATE + offsetof(JITState, carry_flag)]);
|
|
|
+ break;
|
|
|
+ case Macro::ALUOperation::Subtract:
|
|
|
+ if (optimizer.zero_reg_skip) {
|
|
|
+ if (valid_operation) {
|
|
|
+ sub(src_a, src_b);
|
|
|
+ has_emitted = true;
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ sub(src_a, src_b);
|
|
|
+ has_emitted = true;
|
|
|
+ }
|
|
|
+ if (!optimizer.can_skip_carry && has_emitted) {
|
|
|
+ setc(byte[STATE + offsetof(JITState, carry_flag)]);
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ case Macro::ALUOperation::SubtractWithBorrow:
|
|
|
+ bt(dword[STATE + offsetof(JITState, carry_flag)], 0);
|
|
|
+ sbb(src_a, src_b);
|
|
|
+ setc(byte[STATE + offsetof(JITState, carry_flag)]);
|
|
|
+ break;
|
|
|
+ case Macro::ALUOperation::Xor:
|
|
|
+ if (optimizer.zero_reg_skip) {
|
|
|
+ if (valid_operation) {
|
|
|
+ xor_(src_a, src_b);
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ xor_(src_a, src_b);
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ case Macro::ALUOperation::Or:
|
|
|
+ if (optimizer.zero_reg_skip) {
|
|
|
+ if (valid_operation) {
|
|
|
+ or_(src_a, src_b);
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ or_(src_a, src_b);
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ case Macro::ALUOperation::And:
|
|
|
+ if (optimizer.zero_reg_skip) {
|
|
|
+ if (!has_zero_register) {
|
|
|
+ and_(src_a, src_b);
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ and_(src_a, src_b);
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ case Macro::ALUOperation::AndNot:
|
|
|
+ if (optimizer.zero_reg_skip) {
|
|
|
+ if (!is_a_zero) {
|
|
|
+ not_(src_b);
|
|
|
+ and_(src_a, src_b);
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ not_(src_b);
|
|
|
+ and_(src_a, src_b);
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ case Macro::ALUOperation::Nand:
|
|
|
+ if (optimizer.zero_reg_skip) {
|
|
|
+ if (!is_a_zero) {
|
|
|
+ and_(src_a, src_b);
|
|
|
+ not_(src_a);
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ and_(src_a, src_b);
|
|
|
+ not_(src_a);
|
|
|
+ }
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ UNIMPLEMENTED_MSG("Unimplemented ALU operation {}",
|
|
|
+ static_cast<std::size_t>(opcode.alu_operation.Value()));
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ Compile_ProcessResult(opcode.result_operation, opcode.dst);
|
|
|
+}
|
|
|
+
|
|
|
+void MacroJITx64Impl::Compile_AddImmediate(Macro::Opcode opcode) {
|
|
|
+ if (optimizer.skip_dummy_addimmediate) {
|
|
|
+ // Games tend to use this as an exit instruction placeholder. It's to encode an instruction
|
|
|
+ // without doing anything. In our case we can just not emit anything.
|
|
|
+ if (opcode.result_operation == Macro::ResultOperation::Move && opcode.dst == 0) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ // Check for redundant moves
|
|
|
+ if (optimizer.optimize_for_method_move &&
|
|
|
+ opcode.result_operation == Macro::ResultOperation::MoveAndSetMethod) {
|
|
|
+ if (next_opcode.has_value()) {
|
|
|
+ const auto next = *next_opcode;
|
|
|
+ if (next.result_operation == Macro::ResultOperation::MoveAndSetMethod) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (optimizer.zero_reg_skip && opcode.src_a == 0) {
|
|
|
+ if (opcode.immediate == 0) {
|
|
|
+ xor_(RESULT, RESULT);
|
|
|
+ } else {
|
|
|
+ mov(RESULT, opcode.immediate);
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ auto result = Compile_GetRegister(opcode.src_a, RESULT);
|
|
|
+ if (opcode.immediate > 2) {
|
|
|
+ add(result, opcode.immediate);
|
|
|
+ } else if (opcode.immediate == 1) {
|
|
|
+ inc(result);
|
|
|
+ } else if (opcode.immediate < 0) {
|
|
|
+ sub(result, opcode.immediate * -1);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ Compile_ProcessResult(opcode.result_operation, opcode.dst);
|
|
|
+}
|
|
|
+
|
|
|
+void MacroJITx64Impl::Compile_ExtractInsert(Macro::Opcode opcode) {
|
|
|
+ auto dst = Compile_GetRegister(opcode.src_a, RESULT);
|
|
|
+ auto src = Compile_GetRegister(opcode.src_b, eax);
|
|
|
+
|
|
|
+ if (opcode.bf_src_bit != 0 && opcode.bf_src_bit != 31) {
|
|
|
+ shr(src, opcode.bf_src_bit);
|
|
|
+ } else if (opcode.bf_src_bit == 31) {
|
|
|
+ xor_(src, src);
|
|
|
+ }
|
|
|
+ // Don't bother masking the whole register since we're using a 32 bit register
|
|
|
+ if (opcode.bf_size != 31 && opcode.bf_size != 0) {
|
|
|
+ and_(src, opcode.GetBitfieldMask());
|
|
|
+ } else if (opcode.bf_size == 0) {
|
|
|
+ xor_(src, src);
|
|
|
+ }
|
|
|
+ if (opcode.bf_dst_bit != 31 && opcode.bf_dst_bit != 0) {
|
|
|
+ shl(src, opcode.bf_dst_bit);
|
|
|
+ } else if (opcode.bf_dst_bit == 31) {
|
|
|
+ xor_(src, src);
|
|
|
+ }
|
|
|
+
|
|
|
+ const u32 mask = ~(opcode.GetBitfieldMask() << opcode.bf_dst_bit);
|
|
|
+ if (mask != 0xffffffff) {
|
|
|
+ and_(dst, mask);
|
|
|
+ }
|
|
|
+ or_(dst, src);
|
|
|
+ Compile_ProcessResult(opcode.result_operation, opcode.dst);
|
|
|
+}
|
|
|
+
|
|
|
+void MacroJITx64Impl::Compile_ExtractShiftLeftImmediate(Macro::Opcode opcode) {
|
|
|
+ auto dst = Compile_GetRegister(opcode.src_a, eax);
|
|
|
+ auto src = Compile_GetRegister(opcode.src_b, RESULT);
|
|
|
+
|
|
|
+ shr(src, al);
|
|
|
+ if (opcode.bf_size != 0 && opcode.bf_size != 31) {
|
|
|
+ and_(src, opcode.GetBitfieldMask());
|
|
|
+ } else if (opcode.bf_size == 0) {
|
|
|
+ xor_(src, src);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (opcode.bf_dst_bit != 0 && opcode.bf_dst_bit != 31) {
|
|
|
+ shl(src, opcode.bf_dst_bit);
|
|
|
+ } else if (opcode.bf_dst_bit == 31) {
|
|
|
+ xor_(src, src);
|
|
|
+ }
|
|
|
+ Compile_ProcessResult(opcode.result_operation, opcode.dst);
|
|
|
+}
|
|
|
+
|
|
|
+void MacroJITx64Impl::Compile_ExtractShiftLeftRegister(Macro::Opcode opcode) {
|
|
|
+ auto dst = Compile_GetRegister(opcode.src_a, eax);
|
|
|
+ auto src = Compile_GetRegister(opcode.src_b, RESULT);
|
|
|
+
|
|
|
+ if (opcode.bf_src_bit != 0) {
|
|
|
+ shr(src, opcode.bf_src_bit);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (opcode.bf_size != 31) {
|
|
|
+ and_(src, opcode.GetBitfieldMask());
|
|
|
+ }
|
|
|
+ shl(src, al);
|
|
|
+ Compile_ProcessResult(opcode.result_operation, opcode.dst);
|
|
|
+}
|
|
|
+
|
|
|
+static u32 Read(Engines::Maxwell3D* maxwell3d, u32 method) {
|
|
|
+ return maxwell3d->GetRegisterValue(method);
|
|
|
+}
|
|
|
+
|
|
|
+static void Send(Engines::Maxwell3D* maxwell3d, Macro::MethodAddress method_address, u32 value) {
|
|
|
+ maxwell3d->CallMethodFromMME(method_address.address, value);
|
|
|
+}
|
|
|
+
|
|
|
+void MacroJITx64Impl::Compile_Read(Macro::Opcode opcode) {
|
|
|
+ if (optimizer.zero_reg_skip && opcode.src_a == 0) {
|
|
|
+ if (opcode.immediate == 0) {
|
|
|
+ xor_(RESULT, RESULT);
|
|
|
+ } else {
|
|
|
+ mov(RESULT, opcode.immediate);
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ auto result = Compile_GetRegister(opcode.src_a, RESULT);
|
|
|
+ if (opcode.immediate > 2) {
|
|
|
+ add(result, opcode.immediate);
|
|
|
+ } else if (opcode.immediate == 1) {
|
|
|
+ inc(result);
|
|
|
+ } else if (opcode.immediate < 0) {
|
|
|
+ sub(result, opcode.immediate * -1);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ Common::X64::ABI_PushRegistersAndAdjustStackGPS(*this, PersistentCallerSavedRegs(), 0);
|
|
|
+ mov(Common::X64::ABI_PARAM1, qword[STATE]);
|
|
|
+ mov(Common::X64::ABI_PARAM2, RESULT);
|
|
|
+ Common::X64::CallFarFunction(*this, &Read);
|
|
|
+ Common::X64::ABI_PopRegistersAndAdjustStackGPS(*this, PersistentCallerSavedRegs(), 0);
|
|
|
+ mov(RESULT, Common::X64::ABI_RETURN.cvt32());
|
|
|
+ Compile_ProcessResult(opcode.result_operation, opcode.dst);
|
|
|
+}
|
|
|
+
|
|
|
+void Tegra::MacroJITx64Impl::Compile_Send(Xbyak::Reg32 value) {
|
|
|
+ Common::X64::ABI_PushRegistersAndAdjustStackGPS(*this, PersistentCallerSavedRegs(), 0);
|
|
|
+ mov(Common::X64::ABI_PARAM1, qword[STATE]);
|
|
|
+ mov(Common::X64::ABI_PARAM2, METHOD_ADDRESS);
|
|
|
+ mov(Common::X64::ABI_PARAM3, value);
|
|
|
+ Common::X64::CallFarFunction(*this, &Send);
|
|
|
+ Common::X64::ABI_PopRegistersAndAdjustStackGPS(*this, PersistentCallerSavedRegs(), 0);
|
|
|
+
|
|
|
+ Xbyak::Label dont_process{};
|
|
|
+ // Get increment
|
|
|
+ test(METHOD_ADDRESS, 0x3f000);
|
|
|
+ // If zero, method address doesn't update
|
|
|
+ je(dont_process);
|
|
|
+
|
|
|
+ mov(ecx, METHOD_ADDRESS);
|
|
|
+ and_(METHOD_ADDRESS, 0xfff);
|
|
|
+ shr(ecx, 12);
|
|
|
+ and_(ecx, 0x3f);
|
|
|
+ lea(eax, ptr[rcx + METHOD_ADDRESS_64]);
|
|
|
+ sal(ecx, 12);
|
|
|
+ or_(eax, ecx);
|
|
|
+
|
|
|
+ mov(METHOD_ADDRESS, eax);
|
|
|
+
|
|
|
+ L(dont_process);
|
|
|
+}
|
|
|
+
|
|
|
+void Tegra::MacroJITx64Impl::Compile_Branch(Macro::Opcode opcode) {
|
|
|
+ ASSERT_MSG(!is_delay_slot, "Executing a branch in a delay slot is not valid");
|
|
|
+ const s32 jump_address =
|
|
|
+ static_cast<s32>(pc) + static_cast<s32>(opcode.GetBranchTarget() / sizeof(s32));
|
|
|
+
|
|
|
+ Xbyak::Label end;
|
|
|
+ auto value = Compile_GetRegister(opcode.src_a, eax);
|
|
|
+ test(value, value);
|
|
|
+ if (optimizer.has_delayed_pc) {
|
|
|
+ switch (opcode.branch_condition) {
|
|
|
+ case Macro::BranchCondition::Zero:
|
|
|
+ jne(end, T_NEAR);
|
|
|
+ break;
|
|
|
+ case Macro::BranchCondition::NotZero:
|
|
|
+ je(end, T_NEAR);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (opcode.branch_annul) {
|
|
|
+ xor_(BRANCH_HOLDER, BRANCH_HOLDER);
|
|
|
+ jmp(labels[jump_address], T_NEAR);
|
|
|
+ } else {
|
|
|
+ Xbyak::Label handle_post_exit{};
|
|
|
+ Xbyak::Label skip{};
|
|
|
+ jmp(skip, T_NEAR);
|
|
|
+ if (opcode.is_exit) {
|
|
|
+ L(handle_post_exit);
|
|
|
+ // Execute 1 instruction
|
|
|
+ mov(BRANCH_HOLDER, end_of_code);
|
|
|
+ // Jump to next instruction to skip delay slot check
|
|
|
+ jmp(labels[jump_address], T_NEAR);
|
|
|
+ } else {
|
|
|
+ L(handle_post_exit);
|
|
|
+ xor_(BRANCH_HOLDER, BRANCH_HOLDER);
|
|
|
+ jmp(labels[jump_address], T_NEAR);
|
|
|
+ }
|
|
|
+ L(skip);
|
|
|
+ mov(BRANCH_HOLDER, handle_post_exit);
|
|
|
+ jmp(delay_skip[pc], T_NEAR);
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ switch (opcode.branch_condition) {
|
|
|
+ case Macro::BranchCondition::Zero:
|
|
|
+ je(labels[jump_address], T_NEAR);
|
|
|
+ break;
|
|
|
+ case Macro::BranchCondition::NotZero:
|
|
|
+ jne(labels[jump_address], T_NEAR);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ L(end);
|
|
|
+}
|
|
|
+
|
|
|
+void Tegra::MacroJITx64Impl::Optimizer_ScanFlags() {
|
|
|
+ optimizer.can_skip_carry = true;
|
|
|
+ optimizer.has_delayed_pc = false;
|
|
|
+ for (auto raw_op : code) {
|
|
|
+ Macro::Opcode op{};
|
|
|
+ op.raw = raw_op;
|
|
|
+
|
|
|
+ if (op.operation == Macro::Operation::ALU) {
|
|
|
+ // Scan for any ALU operations which actually use the carry flag, if they don't exist in
|
|
|
+ // our current code we can skip emitting the carry flag handling operations
|
|
|
+ if (op.alu_operation == Macro::ALUOperation::AddWithCarry ||
|
|
|
+ op.alu_operation == Macro::ALUOperation::SubtractWithBorrow) {
|
|
|
+ optimizer.can_skip_carry = false;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (op.operation == Macro::Operation::Branch) {
|
|
|
+ if (!op.branch_annul) {
|
|
|
+ optimizer.has_delayed_pc = true;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+void MacroJITx64Impl::Compile() {
|
|
|
+ MICROPROFILE_SCOPE(MacroJitCompile);
|
|
|
+ bool keep_executing = true;
|
|
|
+ labels.fill(Xbyak::Label());
|
|
|
+
|
|
|
+ Common::X64::ABI_PushRegistersAndAdjustStackGPS(*this, Common::X64::ABI_ALL_CALLEE_SAVED, 8);
|
|
|
+ // JIT state
|
|
|
+ mov(STATE, Common::X64::ABI_PARAM1);
|
|
|
+ mov(PARAMETERS, qword[Common::X64::ABI_PARAM1 +
|
|
|
+ static_cast<Xbyak::uint32>(offsetof(JITState, parameters))]);
|
|
|
+ mov(REGISTERS, Common::X64::ABI_PARAM1);
|
|
|
+ add(REGISTERS, static_cast<Xbyak::uint32>(offsetof(JITState, registers)));
|
|
|
+ xor_(RESULT, RESULT);
|
|
|
+ xor_(METHOD_ADDRESS, METHOD_ADDRESS);
|
|
|
+ xor_(NEXT_PARAMETER, NEXT_PARAMETER);
|
|
|
+ xor_(BRANCH_HOLDER, BRANCH_HOLDER);
|
|
|
+
|
|
|
+ mov(dword[REGISTERS + 4], Compile_FetchParameter());
|
|
|
+
|
|
|
+ // Track get register for zero registers and mark it as no-op
|
|
|
+ optimizer.zero_reg_skip = true;
|
|
|
+
|
|
|
+ // AddImmediate tends to be used as a NOP instruction, if we detect this we can
|
|
|
+ // completely skip the entire code path and no emit anything
|
|
|
+ optimizer.skip_dummy_addimmediate = true;
|
|
|
+
|
|
|
+ // SMO tends to emit a lot of unnecessary method moves, we can mitigate this by only emitting
|
|
|
+ // one if our register isn't "dirty"
|
|
|
+ optimizer.optimize_for_method_move = true;
|
|
|
+
|
|
|
+ // Check to see if we can skip emitting certain instructions
|
|
|
+ Optimizer_ScanFlags();
|
|
|
+
|
|
|
+ const u32 op_count = static_cast<u32>(code.size());
|
|
|
+ for (u32 i = 0; i < op_count; i++) {
|
|
|
+ if (i < op_count - 1) {
|
|
|
+ pc = i + 1;
|
|
|
+ next_opcode = GetOpCode();
|
|
|
+ } else {
|
|
|
+ next_opcode = {};
|
|
|
+ }
|
|
|
+ pc = i;
|
|
|
+ Compile_NextInstruction();
|
|
|
+ }
|
|
|
+
|
|
|
+ L(end_of_code);
|
|
|
+
|
|
|
+ Common::X64::ABI_PopRegistersAndAdjustStackGPS(*this, Common::X64::ABI_ALL_CALLEE_SAVED, 8);
|
|
|
+ ret();
|
|
|
+ ready();
|
|
|
+ program = getCode<ProgramType>();
|
|
|
+}
|
|
|
+
|
|
|
+bool MacroJITx64Impl::Compile_NextInstruction() {
|
|
|
+ const auto opcode = GetOpCode();
|
|
|
+ if (labels[pc].getAddress()) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ L(labels[pc]);
|
|
|
+
|
|
|
+ const std::size_t op = static_cast<std::size_t>(opcode.operation.Value());
|
|
|
+
|
|
|
+ if (InstructionTable[op] == nullptr) {
|
|
|
+ UNIMPLEMENTED_MSG("Unimplemented opcode {}", op);
|
|
|
+ } else {
|
|
|
+ ((*this).*InstructionTable[op])(opcode);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (optimizer.has_delayed_pc) {
|
|
|
+ if (opcode.is_exit) {
|
|
|
+ mov(rax, end_of_code);
|
|
|
+ test(BRANCH_HOLDER, BRANCH_HOLDER);
|
|
|
+ cmove(BRANCH_HOLDER, rax);
|
|
|
+ // Jump to next instruction to skip delay slot check
|
|
|
+ je(labels[pc + 1], T_NEAR);
|
|
|
+ } else {
|
|
|
+ // TODO(ogniK): Optimize delay slot branching
|
|
|
+ Xbyak::Label no_delay_slot{};
|
|
|
+ test(BRANCH_HOLDER, BRANCH_HOLDER);
|
|
|
+ je(no_delay_slot, T_NEAR);
|
|
|
+ mov(rax, BRANCH_HOLDER);
|
|
|
+ xor_(BRANCH_HOLDER, BRANCH_HOLDER);
|
|
|
+ jmp(rax);
|
|
|
+ L(no_delay_slot);
|
|
|
+ }
|
|
|
+ L(delay_skip[pc]);
|
|
|
+ if (opcode.is_exit) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ test(BRANCH_HOLDER, BRANCH_HOLDER);
|
|
|
+ jne(end_of_code, T_NEAR);
|
|
|
+ if (opcode.is_exit) {
|
|
|
+ inc(BRANCH_HOLDER);
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return true;
|
|
|
+}
|
|
|
+
|
|
|
+Xbyak::Reg32 Tegra::MacroJITx64Impl::Compile_FetchParameter() {
|
|
|
+ mov(eax, dword[PARAMETERS + NEXT_PARAMETER * sizeof(u32)]);
|
|
|
+ inc(NEXT_PARAMETER);
|
|
|
+ return eax;
|
|
|
+}
|
|
|
+
|
|
|
+Xbyak::Reg32 MacroJITx64Impl::Compile_GetRegister(u32 index, Xbyak::Reg32 dst) {
|
|
|
+ if (index == 0) {
|
|
|
+ // Register 0 is always zero
|
|
|
+ xor_(dst, dst);
|
|
|
+ } else {
|
|
|
+ mov(dst, dword[REGISTERS + index * sizeof(u32)]);
|
|
|
+ }
|
|
|
+
|
|
|
+ return dst;
|
|
|
+}
|
|
|
+
|
|
|
+Xbyak::Reg64 Tegra::MacroJITx64Impl::Compile_GetRegister(u32 index, Xbyak::Reg64 dst) {
|
|
|
+ if (index == 0) {
|
|
|
+ // Register 0 is always zero
|
|
|
+ xor_(dst, dst);
|
|
|
+ } else {
|
|
|
+ mov(dst, dword[REGISTERS + index * sizeof(u32)]);
|
|
|
+ }
|
|
|
+
|
|
|
+ return dst;
|
|
|
+}
|
|
|
+
|
|
|
+void Tegra::MacroJITx64Impl::Compile_WriteCarry(Xbyak::Reg64 dst) {
|
|
|
+ Xbyak::Label zero{}, end{};
|
|
|
+ xor_(ecx, ecx);
|
|
|
+ shr(dst, 32);
|
|
|
+ setne(cl);
|
|
|
+ mov(dword[STATE + offsetof(JITState, carry_flag)], ecx);
|
|
|
+}
|
|
|
+
|
|
|
+void MacroJITx64Impl::Compile_ProcessResult(Macro::ResultOperation operation, u32 reg) {
|
|
|
+ auto SetRegister = [=](u32 reg, Xbyak::Reg32 result) {
|
|
|
+ // Register 0 is supposed to always return 0. NOP is implemented as a store to the zero
|
|
|
+ // register.
|
|
|
+ if (reg == 0) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ mov(dword[REGISTERS + reg * sizeof(u32)], result);
|
|
|
+ };
|
|
|
+ auto SetMethodAddress = [=](Xbyak::Reg32 reg) { mov(METHOD_ADDRESS, reg); };
|
|
|
+
|
|
|
+ switch (operation) {
|
|
|
+ case Macro::ResultOperation::IgnoreAndFetch:
|
|
|
+ SetRegister(reg, Compile_FetchParameter());
|
|
|
+ break;
|
|
|
+ case Macro::ResultOperation::Move:
|
|
|
+ SetRegister(reg, RESULT);
|
|
|
+ break;
|
|
|
+ case Macro::ResultOperation::MoveAndSetMethod:
|
|
|
+ SetRegister(reg, RESULT);
|
|
|
+ SetMethodAddress(RESULT);
|
|
|
+ break;
|
|
|
+ case Macro::ResultOperation::FetchAndSend:
|
|
|
+ // Fetch parameter and send result.
|
|
|
+ SetRegister(reg, Compile_FetchParameter());
|
|
|
+ Compile_Send(RESULT);
|
|
|
+ break;
|
|
|
+ case Macro::ResultOperation::MoveAndSend:
|
|
|
+ // Move and send result.
|
|
|
+ SetRegister(reg, RESULT);
|
|
|
+ Compile_Send(RESULT);
|
|
|
+ break;
|
|
|
+ case Macro::ResultOperation::FetchAndSetMethod:
|
|
|
+ // Fetch parameter and use result as Method Address.
|
|
|
+ SetRegister(reg, Compile_FetchParameter());
|
|
|
+ SetMethodAddress(RESULT);
|
|
|
+ break;
|
|
|
+ case Macro::ResultOperation::MoveAndSetMethodFetchAndSend:
|
|
|
+ // Move result and use as Method Address, then fetch and send parameter.
|
|
|
+ SetRegister(reg, RESULT);
|
|
|
+ SetMethodAddress(RESULT);
|
|
|
+ Compile_Send(Compile_FetchParameter());
|
|
|
+ break;
|
|
|
+ case Macro::ResultOperation::MoveAndSetMethodSend:
|
|
|
+ // Move result and use as Method Address, then send bits 12:17 of result.
|
|
|
+ SetRegister(reg, RESULT);
|
|
|
+ SetMethodAddress(RESULT);
|
|
|
+ shr(RESULT, 12);
|
|
|
+ and_(RESULT, 0b111111);
|
|
|
+ Compile_Send(RESULT);
|
|
|
+ break;
|
|
|
+ default:
|
|
|
+ UNIMPLEMENTED_MSG("Unimplemented macro operation {}", static_cast<std::size_t>(operation));
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+Macro::Opcode MacroJITx64Impl::GetOpCode() const {
|
|
|
+ ASSERT(pc < code.size());
|
|
|
+ return {code[pc]};
|
|
|
+}
|
|
|
+
|
|
|
+std::bitset<32> MacroJITx64Impl::PersistentCallerSavedRegs() const {
|
|
|
+ return PERSISTENT_REGISTERS & Common::X64::ABI_ALL_CALLER_SAVED;
|
|
|
+}
|
|
|
+
|
|
|
+} // namespace Tegra
|