mirror of
https://github.com/RetroDECK/Duckstation.git
synced 2024-10-23 07:35:57 +00:00
CPU/Recompiler: Implement speculative constants
This commit is contained in:
Connor McLaughlin
parent
51eff82eb6
commit
b704c37e91
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@ -332,6 +332,12 @@ void UpdateFastmemViews(bool enabled, bool isolate_cache)
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//MapRAM(0xA0600000);
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}
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bool CanUseFastmemForAddress(VirtualMemoryAddress address)
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{
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const PhysicalMemoryAddress paddr = address & CPU::PHYSICAL_MEMORY_ADDRESS_MASK;
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return IsRAMAddress(paddr);
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}
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bool IsRAMCodePage(u32 index)
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{
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return m_ram_code_bits[index];
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@ -90,6 +90,7 @@ bool DoState(StateWrapper& sw);
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u8* GetFastmemBase();
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void UpdateFastmemViews(bool enabled, bool isolate_cache);
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bool CanUseFastmemForAddress(VirtualMemoryAddress address);
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void SetExpansionROM(std::vector<u8> data);
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void SetBIOS(const std::vector<u8>& image);
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@ -850,6 +850,8 @@ void CodeGenerator::GenerateExceptionExit(const CodeBlockInstruction& cbi, Excep
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void CodeGenerator::BlockPrologue()
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{
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InitSpeculativeRegs();
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EmitStoreCPUStructField(offsetof(State, exception_raised), Value::FromConstantU8(0));
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if (m_block->uncached_fetch_ticks > 0)
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@ -1042,6 +1044,7 @@ bool CodeGenerator::Compile_Fallback(const CodeBlockInstruction& cbi)
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m_current_instruction_in_branch_delay_slot_dirty = cbi.is_branch_instruction;
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m_branch_was_taken_dirty = cbi.is_branch_instruction;
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m_next_load_delay_dirty = cbi.has_load_delay;
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InvalidateSpeculativeValues();
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InstructionEpilogue(cbi);
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return true;
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}
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@ -1054,33 +1057,55 @@ bool CodeGenerator::Compile_Bitwise(const CodeBlockInstruction& cbi)
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Value lhs;
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Value rhs;
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Reg dest;
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SpeculativeValue spec_lhs, spec_rhs;
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SpeculativeValue spec_value;
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if (op != InstructionOp::funct)
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{
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// rt <- rs op zext(imm)
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lhs = m_register_cache.ReadGuestRegister(cbi.instruction.i.rs);
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rhs = Value::FromConstantU32(cbi.instruction.i.imm_zext32());
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dest = cbi.instruction.i.rt;
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spec_lhs = SpeculativeReadReg(cbi.instruction.i.rs);
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spec_rhs = cbi.instruction.i.imm_zext32();
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}
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else
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{
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lhs = m_register_cache.ReadGuestRegister(cbi.instruction.r.rs);
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rhs = m_register_cache.ReadGuestRegister(cbi.instruction.r.rt);
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dest = cbi.instruction.r.rd;
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spec_lhs = SpeculativeReadReg(cbi.instruction.r.rs);
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spec_rhs = SpeculativeReadReg(cbi.instruction.r.rt);
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}
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Value result;
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switch (cbi.instruction.op)
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{
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case InstructionOp::ori:
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{
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result = OrValues(lhs, rhs);
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if (spec_lhs && spec_rhs)
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spec_value = *spec_lhs | *spec_rhs;
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}
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break;
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case InstructionOp::andi:
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{
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result = AndValues(lhs, rhs);
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if (spec_lhs && spec_rhs)
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spec_value = *spec_lhs & *spec_rhs;
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}
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break;
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case InstructionOp::xori:
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{
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result = XorValues(lhs, rhs);
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if (spec_lhs && spec_rhs)
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spec_value = *spec_lhs ^ *spec_rhs;
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}
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break;
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case InstructionOp::funct:
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@ -1088,19 +1113,35 @@ bool CodeGenerator::Compile_Bitwise(const CodeBlockInstruction& cbi)
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switch (cbi.instruction.r.funct)
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{
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case InstructionFunct::or_:
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{
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result = OrValues(lhs, rhs);
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if (spec_lhs && spec_rhs)
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spec_value = *spec_lhs | *spec_rhs;
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}
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break;
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case InstructionFunct::and_:
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{
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result = AndValues(lhs, rhs);
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if (spec_lhs && spec_rhs)
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spec_value = *spec_lhs & *spec_rhs;
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}
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break;
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case InstructionFunct::xor_:
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{
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result = XorValues(lhs, rhs);
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if (spec_lhs && spec_rhs)
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spec_value = *spec_lhs ^ *spec_rhs;
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}
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break;
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case InstructionFunct::nor:
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{
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result = NotValue(OrValues(lhs, rhs));
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if (spec_lhs && spec_rhs)
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spec_value = ~(*spec_lhs | *spec_rhs);
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}
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break;
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default:
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@ -1116,6 +1157,7 @@ bool CodeGenerator::Compile_Bitwise(const CodeBlockInstruction& cbi)
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}
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m_register_cache.WriteGuestRegister(dest, std::move(result));
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SpeculativeWriteReg(dest, spec_value);
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InstructionEpilogue(cbi);
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return true;
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@ -1127,36 +1169,53 @@ bool CodeGenerator::Compile_Shift(const CodeBlockInstruction& cbi)
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const InstructionFunct funct = cbi.instruction.r.funct;
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Value rt = m_register_cache.ReadGuestRegister(cbi.instruction.r.rt);
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SpeculativeValue rt_spec = SpeculativeReadReg(cbi.instruction.r.rt);
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Value shamt;
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SpeculativeValue shamt_spec;
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if (funct == InstructionFunct::sll || funct == InstructionFunct::srl || funct == InstructionFunct::sra)
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{
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// rd <- rt op shamt
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shamt = Value::FromConstantU32(cbi.instruction.r.shamt);
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shamt_spec = cbi.instruction.r.shamt;
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}
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else
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{
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// rd <- rt op (rs & 0x1F)
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shamt = m_register_cache.ReadGuestRegister(cbi.instruction.r.rs);
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shamt_spec = SpeculativeReadReg(cbi.instruction.r.rs);
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if constexpr (!SHIFTS_ARE_IMPLICITLY_MASKED)
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EmitAnd(shamt.host_reg, shamt.host_reg, Value::FromConstantU32(0x1F));
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}
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Value result;
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SpeculativeValue result_spec;
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switch (cbi.instruction.r.funct)
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{
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case InstructionFunct::sll:
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case InstructionFunct::sllv:
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{
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result = ShlValues(rt, shamt);
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if (rt_spec && shamt_spec)
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result_spec = *rt_spec << *shamt_spec;
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}
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break;
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case InstructionFunct::srl:
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case InstructionFunct::srlv:
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{
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result = ShrValues(rt, shamt);
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if (rt_spec && shamt_spec)
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result_spec = *rt_spec >> *shamt_spec;
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}
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break;
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case InstructionFunct::sra:
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case InstructionFunct::srav:
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{
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result = SarValues(rt, shamt);
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if (rt_spec && shamt_spec)
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result_spec = static_cast<u32>(static_cast<s32>(*rt_spec) << *shamt_spec);
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}
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break;
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default:
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@ -1165,6 +1224,7 @@ bool CodeGenerator::Compile_Shift(const CodeBlockInstruction& cbi)
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}
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m_register_cache.WriteGuestRegister(cbi.instruction.r.rd, std::move(result));
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SpeculativeWriteReg(cbi.instruction.r.rd, result_spec);
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InstructionEpilogue(cbi);
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return true;
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@ -1179,35 +1239,57 @@ bool CodeGenerator::Compile_Load(const CodeBlockInstruction& cbi)
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Value offset = Value::FromConstantU32(cbi.instruction.i.imm_sext32());
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Value address = AddValues(base, offset, false);
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SpeculativeValue address_spec = SpeculativeReadReg(cbi.instruction.i.rs);
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SpeculativeValue value_spec;
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if (address_spec)
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address_spec = *address_spec + cbi.instruction.i.imm_sext32();
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Value result;
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switch (cbi.instruction.op)
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{
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case InstructionOp::lb:
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case InstructionOp::lbu:
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{
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result = EmitLoadGuestMemory(cbi, address, RegSize_8);
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result = EmitLoadGuestMemory(cbi, address, address_spec, RegSize_8);
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ConvertValueSizeInPlace(&result, RegSize_32, (cbi.instruction.op == InstructionOp::lb));
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if (g_settings.gpu_pgxp_enable)
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EmitFunctionCall(nullptr, PGXP::CPU_LBx, Value::FromConstantU32(cbi.instruction.bits), result, address);
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if (address_spec)
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{
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value_spec = SpeculativeReadMemory(*address_spec & ~3u);
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if (value_spec)
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value_spec = (*value_spec >> ((*address_spec & 3u) * 8u)) & 0xFFu;
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}
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}
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break;
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case InstructionOp::lh:
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case InstructionOp::lhu:
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{
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result = EmitLoadGuestMemory(cbi, address, RegSize_16);
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result = EmitLoadGuestMemory(cbi, address, address_spec, RegSize_16);
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ConvertValueSizeInPlace(&result, RegSize_32, (cbi.instruction.op == InstructionOp::lh));
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if (g_settings.gpu_pgxp_enable)
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EmitFunctionCall(nullptr, PGXP::CPU_LHx, Value::FromConstantU32(cbi.instruction.bits), result, address);
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if (address_spec)
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{
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value_spec = SpeculativeReadMemory(*address_spec & ~1u);
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if (value_spec)
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value_spec = (*value_spec >> ((*address_spec & 1u) * 16u)) & 0xFFFFu;
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}
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}
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break;
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case InstructionOp::lw:
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{
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result = EmitLoadGuestMemory(cbi, address, RegSize_32);
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result = EmitLoadGuestMemory(cbi, address, address_spec, RegSize_32);
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if (g_settings.gpu_pgxp_enable)
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EmitFunctionCall(nullptr, PGXP::CPU_LW, Value::FromConstantU32(cbi.instruction.bits), result, address);
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if (address_spec)
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value_spec = SpeculativeReadMemory(*address_spec);
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}
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break;
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@ -1217,6 +1299,7 @@ bool CodeGenerator::Compile_Load(const CodeBlockInstruction& cbi)
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}
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m_register_cache.WriteGuestRegisterDelayed(cbi.instruction.i.rt, std::move(result));
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SpeculativeWriteReg(cbi.instruction.i.rt, value_spec);
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InstructionEpilogue(cbi);
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return true;
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@ -1232,35 +1315,81 @@ bool CodeGenerator::Compile_Store(const CodeBlockInstruction& cbi)
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Value address = AddValues(base, offset, false);
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Value value = m_register_cache.ReadGuestRegister(cbi.instruction.i.rt);
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SpeculativeValue address_spec = SpeculativeReadReg(cbi.instruction.i.rs);
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SpeculativeValue value_spec = SpeculativeReadReg(cbi.instruction.i.rt);
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if (address_spec)
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address_spec = *address_spec + cbi.instruction.i.imm_sext32();
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switch (cbi.instruction.op)
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{
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case InstructionOp::sb:
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{
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EmitStoreGuestMemory(cbi, address, value.ViewAsSize(RegSize_8));
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EmitStoreGuestMemory(cbi, address, address_spec, value.ViewAsSize(RegSize_8));
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if (g_settings.gpu_pgxp_enable)
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{
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EmitFunctionCall(nullptr, PGXP::CPU_SB, Value::FromConstantU32(cbi.instruction.bits),
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value.ViewAsSize(RegSize_8), address);
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}
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if (address_spec)
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{
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const VirtualMemoryAddress aligned_addr = (*address_spec & ~3u);
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const SpeculativeValue aligned_existing_value = SpeculativeReadMemory(aligned_addr);
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if (aligned_existing_value)
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{
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if (value_spec)
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{
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const u32 shift = (aligned_addr & 3u) * 8u;
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SpeculativeWriteMemory(aligned_addr,
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(*aligned_existing_value & ~(0xFFu << shift)) | ((*value_spec & 0xFFu) << shift));
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}
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else
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{
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SpeculativeWriteMemory(aligned_addr, std::nullopt);
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}
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}
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}
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}
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break;
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case InstructionOp::sh:
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{
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EmitStoreGuestMemory(cbi, address, value.ViewAsSize(RegSize_16));
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EmitStoreGuestMemory(cbi, address, address_spec, value.ViewAsSize(RegSize_16));
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if (g_settings.gpu_pgxp_enable)
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{
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EmitFunctionCall(nullptr, PGXP::CPU_SH, Value::FromConstantU32(cbi.instruction.bits),
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value.ViewAsSize(RegSize_16), address);
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}
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if (address_spec)
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{
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const VirtualMemoryAddress aligned_addr = (*address_spec & ~3u);
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const SpeculativeValue aligned_existing_value = SpeculativeReadMemory(aligned_addr);
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if (aligned_existing_value)
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{
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if (value_spec)
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{
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const u32 shift = (aligned_addr & 1u) * 16u;
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SpeculativeWriteMemory(aligned_addr, (*aligned_existing_value & ~(0xFFFFu << shift)) |
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((*value_spec & 0xFFFFu) << shift));
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}
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else
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{
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SpeculativeWriteMemory(aligned_addr, std::nullopt);
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}
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}
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}
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}
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break;
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case InstructionOp::sw:
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{
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EmitStoreGuestMemory(cbi, address, value);
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EmitStoreGuestMemory(cbi, address, address_spec, value);
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if (g_settings.gpu_pgxp_enable)
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EmitFunctionCall(nullptr, PGXP::CPU_SW, Value::FromConstantU32(cbi.instruction.bits), value, address);
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if (address_spec)
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SpeculativeWriteMemory(*address_spec, value_spec);
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}
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break;
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@ -1282,10 +1411,14 @@ bool CodeGenerator::Compile_LoadLeftRight(const CodeBlockInstruction& cbi)
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Value address = AddValues(base, offset, false);
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base.ReleaseAndClear();
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SpeculativeValue address_spec = SpeculativeReadReg(cbi.instruction.i.rs);
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if (address_spec)
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address_spec = *address_spec + cbi.instruction.i.imm_sext32();
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Value shift = ShlValues(AndValues(address, Value::FromConstantU32(3)), Value::FromConstantU32(3)); // * 8
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address = AndValues(address, Value::FromConstantU32(~u32(3)));
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Value mem = EmitLoadGuestMemory(cbi, address, RegSize_32);
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Value mem = EmitLoadGuestMemory(cbi, address, address_spec, RegSize_32);
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// hack to bypass load delays
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Value value;
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@ -1323,6 +1456,9 @@ bool CodeGenerator::Compile_LoadLeftRight(const CodeBlockInstruction& cbi)
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m_register_cache.WriteGuestRegisterDelayed(cbi.instruction.i.rt, std::move(mem));
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// TODO: Speculative values
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SpeculativeWriteReg(cbi.instruction.r.rt, std::nullopt);
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InstructionEpilogue(cbi);
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return true;
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}
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@ -1336,10 +1472,18 @@ bool CodeGenerator::Compile_StoreLeftRight(const CodeBlockInstruction& cbi)
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Value address = AddValues(base, offset, false);
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base.ReleaseAndClear();
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// TODO: Speculative values
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SpeculativeValue address_spec = SpeculativeReadReg(cbi.instruction.i.rs);
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if (address_spec)
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{
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address_spec = *address_spec + cbi.instruction.i.imm_sext32();
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SpeculativeWriteMemory(*address_spec & ~3u, std::nullopt);
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}
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Value shift = ShlValues(AndValues(address, Value::FromConstantU32(3)), Value::FromConstantU32(3)); // * 8
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address = AndValues(address, Value::FromConstantU32(~u32(3)));
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Value mem = EmitLoadGuestMemory(cbi, address, RegSize_32);
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Value mem = EmitLoadGuestMemory(cbi, address, address_spec, RegSize_32);
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Value reg = m_register_cache.ReadGuestRegister(cbi.instruction.r.rt);
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@ -1359,7 +1503,7 @@ bool CodeGenerator::Compile_StoreLeftRight(const CodeBlockInstruction& cbi)
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shift.ReleaseAndClear();
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EmitStoreGuestMemory(cbi, address, mem);
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EmitStoreGuestMemory(cbi, address, address_spec, mem);
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if (g_settings.gpu_pgxp_enable)
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EmitFunctionCall(nullptr, PGXP::CPU_SW, Value::FromConstantU32(cbi.instruction.bits), mem, address);
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@ -1375,6 +1519,7 @@ bool CodeGenerator::Compile_MoveHiLo(const CodeBlockInstruction& cbi)
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{
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case InstructionFunct::mfhi:
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m_register_cache.WriteGuestRegister(cbi.instruction.r.rd, m_register_cache.ReadGuestRegister(Reg::hi));
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SpeculativeWriteReg(cbi.instruction.r.rd, std::nullopt);
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break;
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case InstructionFunct::mthi:
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@ -1383,6 +1528,7 @@ bool CodeGenerator::Compile_MoveHiLo(const CodeBlockInstruction& cbi)
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case InstructionFunct::mflo:
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m_register_cache.WriteGuestRegister(cbi.instruction.r.rd, m_register_cache.ReadGuestRegister(Reg::lo));
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SpeculativeWriteReg(cbi.instruction.r.rd, std::nullopt);
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break;
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case InstructionFunct::mtlo:
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@ -1408,7 +1554,9 @@ bool CodeGenerator::Compile_Add(const CodeBlockInstruction& cbi)
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Value lhs, rhs;
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Reg lhs_src;
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SpeculativeValue lhs_spec, rhs_spec;
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Reg dest;
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switch (cbi.instruction.op)
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{
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case InstructionOp::addi:
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|
|
@ -1419,6 +1567,9 @@ bool CodeGenerator::Compile_Add(const CodeBlockInstruction& cbi)
|
|||
lhs_src = cbi.instruction.i.rs;
|
||||
lhs = m_register_cache.ReadGuestRegister(cbi.instruction.i.rs);
|
||||
rhs = Value::FromConstantU32(cbi.instruction.i.imm_sext32());
|
||||
|
||||
lhs_spec = SpeculativeReadReg(cbi.instruction.i.rs);
|
||||
rhs_spec = cbi.instruction.i.imm_sext32();
|
||||
}
|
||||
break;
|
||||
|
||||
|
|
@ -1429,6 +1580,8 @@ bool CodeGenerator::Compile_Add(const CodeBlockInstruction& cbi)
|
|||
lhs_src = cbi.instruction.r.rs;
|
||||
lhs = m_register_cache.ReadGuestRegister(cbi.instruction.r.rs);
|
||||
rhs = m_register_cache.ReadGuestRegister(cbi.instruction.r.rt);
|
||||
lhs_spec = SpeculativeReadReg(cbi.instruction.r.rs);
|
||||
rhs_spec = SpeculativeReadReg(cbi.instruction.r.rt);
|
||||
}
|
||||
break;
|
||||
|
||||
|
|
@ -1450,6 +1603,11 @@ bool CodeGenerator::Compile_Add(const CodeBlockInstruction& cbi)
|
|||
|
||||
m_register_cache.WriteGuestRegister(dest, std::move(result));
|
||||
|
||||
SpeculativeValue value_spec;
|
||||
if (lhs_spec && rhs_spec)
|
||||
value_spec = *lhs_spec + *rhs_spec;
|
||||
SpeculativeWriteReg(dest, value_spec);
|
||||
|
||||
InstructionEpilogue(cbi);
|
||||
return true;
|
||||
}
|
||||
|
|
@ -1464,12 +1622,20 @@ bool CodeGenerator::Compile_Subtract(const CodeBlockInstruction& cbi)
|
|||
Value lhs = m_register_cache.ReadGuestRegister(cbi.instruction.r.rs);
|
||||
Value rhs = m_register_cache.ReadGuestRegister(cbi.instruction.r.rt);
|
||||
|
||||
SpeculativeValue lhs_spec = SpeculativeReadReg(cbi.instruction.r.rs);
|
||||
SpeculativeValue rhs_spec = SpeculativeReadReg(cbi.instruction.r.rt);
|
||||
|
||||
Value result = SubValues(lhs, rhs, check_overflow);
|
||||
if (check_overflow)
|
||||
GenerateExceptionExit(cbi, Exception::Ov, Condition::Overflow);
|
||||
|
||||
m_register_cache.WriteGuestRegister(cbi.instruction.r.rd, std::move(result));
|
||||
|
||||
SpeculativeValue value_spec;
|
||||
if (lhs_spec && rhs_spec)
|
||||
value_spec = *lhs_spec - *rhs_spec;
|
||||
SpeculativeWriteReg(cbi.instruction.r.rd, value_spec);
|
||||
|
||||
InstructionEpilogue(cbi);
|
||||
return true;
|
||||
}
|
||||
|
|
@ -1680,12 +1846,15 @@ bool CodeGenerator::Compile_SetLess(const CodeBlockInstruction& cbi)
|
|||
|
||||
Reg dest;
|
||||
Value lhs, rhs;
|
||||
SpeculativeValue lhs_spec, rhs_spec;
|
||||
if (cbi.instruction.op == InstructionOp::slti || cbi.instruction.op == InstructionOp::sltiu)
|
||||
{
|
||||
// rt <- rs < {z,s}ext(imm)
|
||||
dest = cbi.instruction.i.rt;
|
||||
lhs = m_register_cache.ReadGuestRegister(cbi.instruction.i.rs, true, true);
|
||||
rhs = Value::FromConstantU32(cbi.instruction.i.imm_sext32());
|
||||
lhs_spec = SpeculativeReadReg(cbi.instruction.i.rs);
|
||||
rhs_spec = cbi.instruction.i.imm_sext32();
|
||||
|
||||
// flush the old value which might free up a register
|
||||
if (dest != cbi.instruction.r.rs)
|
||||
|
|
@ -1697,6 +1866,8 @@ bool CodeGenerator::Compile_SetLess(const CodeBlockInstruction& cbi)
|
|||
dest = cbi.instruction.r.rd;
|
||||
lhs = m_register_cache.ReadGuestRegister(cbi.instruction.r.rs, true, true);
|
||||
rhs = m_register_cache.ReadGuestRegister(cbi.instruction.r.rt);
|
||||
lhs_spec = SpeculativeReadReg(cbi.instruction.r.rs);
|
||||
rhs_spec = SpeculativeReadReg(cbi.instruction.r.rt);
|
||||
|
||||
// flush the old value which might free up a register
|
||||
if (dest != cbi.instruction.i.rs && dest != cbi.instruction.r.rt)
|
||||
|
|
@ -1708,6 +1879,14 @@ bool CodeGenerator::Compile_SetLess(const CodeBlockInstruction& cbi)
|
|||
EmitSetConditionResult(result.host_reg, result.size, signed_comparison ? Condition::Less : Condition::Below);
|
||||
m_register_cache.WriteGuestRegister(dest, std::move(result));
|
||||
|
||||
SpeculativeValue value_spec;
|
||||
if (lhs_spec && rhs_spec)
|
||||
{
|
||||
value_spec = BoolToUInt32(signed_comparison ? (static_cast<s32>(*lhs_spec) < static_cast<s32>(*rhs_spec)) :
|
||||
(*lhs_spec < *rhs_spec));
|
||||
}
|
||||
SpeculativeWriteReg(cbi.instruction.r.rd, value_spec);
|
||||
|
||||
InstructionEpilogue(cbi);
|
||||
return true;
|
||||
}
|
||||
|
|
@ -1920,8 +2099,9 @@ bool CodeGenerator::Compile_lui(const CodeBlockInstruction& cbi)
|
|||
InstructionPrologue(cbi, 1);
|
||||
|
||||
// rt <- (imm << 16)
|
||||
m_register_cache.WriteGuestRegister(cbi.instruction.i.rt,
|
||||
Value::FromConstantU32(cbi.instruction.i.imm_zext32() << 16));
|
||||
const u32 value = cbi.instruction.i.imm_zext32() << 16;
|
||||
m_register_cache.WriteGuestRegister(cbi.instruction.i.rt, Value::FromConstantU32(value));
|
||||
SpeculativeWriteReg(cbi.instruction.i.rt, value);
|
||||
|
||||
InstructionEpilogue(cbi);
|
||||
return true;
|
||||
|
|
@ -2005,6 +2185,7 @@ bool CodeGenerator::Compile_cop0(const CodeBlockInstruction& cbi)
|
|||
Value value = m_register_cache.AllocateScratch(RegSize_32);
|
||||
EmitLoadCPUStructField(value.host_reg, value.size, offset);
|
||||
m_register_cache.WriteGuestRegisterDelayed(cbi.instruction.r.rt, std::move(value));
|
||||
SpeculativeWriteReg(cbi.instruction.r.rt, std::nullopt);
|
||||
}
|
||||
else
|
||||
{
|
||||
|
|
@ -2228,9 +2409,13 @@ bool CodeGenerator::Compile_cop2(const CodeBlockInstruction& cbi)
|
|||
const u32 reg = static_cast<u32>(cbi.instruction.i.rt.GetValue());
|
||||
Value address = AddValues(m_register_cache.ReadGuestRegister(cbi.instruction.i.rs),
|
||||
Value::FromConstantU32(cbi.instruction.i.imm_sext32()), false);
|
||||
SpeculativeValue spec_address = SpeculativeReadReg(cbi.instruction.i.rs);
|
||||
if (spec_address)
|
||||
spec_address = *spec_address + cbi.instruction.i.imm_sext32();
|
||||
|
||||
if (cbi.instruction.op == InstructionOp::lwc2)
|
||||
{
|
||||
Value value = EmitLoadGuestMemory(cbi, address, RegSize_32);
|
||||
Value value = EmitLoadGuestMemory(cbi, address, spec_address, RegSize_32);
|
||||
DoGTERegisterWrite(reg, value);
|
||||
|
||||
if (g_settings.gpu_pgxp_enable)
|
||||
|
|
@ -2239,10 +2424,14 @@ bool CodeGenerator::Compile_cop2(const CodeBlockInstruction& cbi)
|
|||
else
|
||||
{
|
||||
Value value = DoGTERegisterRead(reg);
|
||||
EmitStoreGuestMemory(cbi, address, value);
|
||||
EmitStoreGuestMemory(cbi, address, spec_address, value);
|
||||
|
||||
if (g_settings.gpu_pgxp_enable)
|
||||
EmitFunctionCall(nullptr, PGXP::CPU_SWC2, Value::FromConstantU32(cbi.instruction.bits), value, address);
|
||||
|
||||
SpeculativeValue spec_base = SpeculativeReadReg(cbi.instruction.i.rs);
|
||||
if (spec_base)
|
||||
SpeculativeWriteMemory(*spec_address, std::nullopt);
|
||||
}
|
||||
|
||||
InstructionEpilogue(cbi);
|
||||
|
|
@ -2274,6 +2463,7 @@ bool CodeGenerator::Compile_cop2(const CodeBlockInstruction& cbi)
|
|||
}
|
||||
|
||||
m_register_cache.WriteGuestRegisterDelayed(cbi.instruction.r.rt, std::move(value));
|
||||
SpeculativeWriteReg(cbi.instruction.r.rt, std::nullopt);
|
||||
|
||||
InstructionEpilogue(cbi);
|
||||
return true;
|
||||
|
|
@ -2317,4 +2507,68 @@ bool CodeGenerator::Compile_cop2(const CodeBlockInstruction& cbi)
|
|||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
void CodeGenerator::InitSpeculativeRegs()
|
||||
{
|
||||
for (u8 i = 0; i < static_cast<u8>(Reg::count); i++)
|
||||
m_speculative_constants.regs[i] = g_state.regs.r[i];
|
||||
}
|
||||
|
||||
void CodeGenerator::InvalidateSpeculativeValues()
|
||||
{
|
||||
m_speculative_constants.regs.fill(std::nullopt);
|
||||
m_speculative_constants.memory.clear();
|
||||
}
|
||||
|
||||
CodeGenerator::SpeculativeValue CodeGenerator::SpeculativeReadReg(Reg reg)
|
||||
{
|
||||
return m_speculative_constants.regs[static_cast<u8>(reg)];
|
||||
}
|
||||
|
||||
void CodeGenerator::SpeculativeWriteReg(Reg reg, SpeculativeValue value)
|
||||
{
|
||||
m_speculative_constants.regs[static_cast<u8>(reg)] = value;
|
||||
}
|
||||
|
||||
CodeGenerator::SpeculativeValue CodeGenerator::SpeculativeReadMemory(VirtualMemoryAddress address)
|
||||
{
|
||||
PhysicalMemoryAddress phys_addr = address & PHYSICAL_MEMORY_ADDRESS_MASK;
|
||||
|
||||
auto it = m_speculative_constants.memory.find(address);
|
||||
if (it != m_speculative_constants.memory.end())
|
||||
return it->second;
|
||||
|
||||
u32 value;
|
||||
if ((phys_addr & DCACHE_LOCATION_MASK) == DCACHE_LOCATION)
|
||||
{
|
||||
u32 scratchpad_offset = phys_addr & DCACHE_OFFSET_MASK;
|
||||
std::memcpy(&value, &CPU::g_state.dcache[scratchpad_offset], sizeof(value));
|
||||
return value;
|
||||
}
|
||||
|
||||
if (Bus::IsRAMAddress(phys_addr))
|
||||
{
|
||||
u32 ram_offset = phys_addr & Bus::RAM_MASK;
|
||||
std::memcpy(&value, &Bus::g_ram[ram_offset], sizeof(value));
|
||||
return value;
|
||||
}
|
||||
|
||||
return std::nullopt;
|
||||
}
|
||||
|
||||
void CodeGenerator::SpeculativeWriteMemory(u32 address, SpeculativeValue value)
|
||||
{
|
||||
PhysicalMemoryAddress phys_addr = address & PHYSICAL_MEMORY_ADDRESS_MASK;
|
||||
|
||||
auto it = m_speculative_constants.memory.find(address);
|
||||
if (it != m_speculative_constants.memory.end())
|
||||
{
|
||||
it->second = value;
|
||||
return;
|
||||
}
|
||||
|
||||
if ((phys_addr & DCACHE_LOCATION_MASK) == DCACHE_LOCATION || Bus::IsRAMAddress(phys_addr))
|
||||
m_speculative_constants.memory.emplace(address, value);
|
||||
}
|
||||
|
||||
} // namespace CPU::Recompiler
|
||||
|
|
|
|||
|
|
@ -16,6 +16,8 @@ namespace CPU::Recompiler {
|
|||
class CodeGenerator
|
||||
{
|
||||
public:
|
||||
using SpeculativeValue = std::optional<u32>;
|
||||
|
||||
CodeGenerator(JitCodeBuffer* code_buffer);
|
||||
~CodeGenerator();
|
||||
|
||||
|
|
@ -75,12 +77,16 @@ public:
|
|||
void EmitLoadGlobalAddress(HostReg host_reg, const void* ptr);
|
||||
|
||||
// Automatically generates an exception handler.
|
||||
Value EmitLoadGuestMemory(const CodeBlockInstruction& cbi, const Value& address, RegSize size);
|
||||
Value EmitLoadGuestMemory(const CodeBlockInstruction& cbi, const Value& address, const SpeculativeValue& address_spec,
|
||||
RegSize size);
|
||||
void EmitLoadGuestMemoryFastmem(const CodeBlockInstruction& cbi, const Value& address, RegSize size, Value& result);
|
||||
void EmitLoadGuestMemorySlowmem(const CodeBlockInstruction& cbi, const Value& address, RegSize size, Value& result, bool in_far_code);
|
||||
void EmitStoreGuestMemory(const CodeBlockInstruction& cbi, const Value& address, const Value& value);
|
||||
void EmitLoadGuestMemorySlowmem(const CodeBlockInstruction& cbi, const Value& address, RegSize size, Value& result,
|
||||
bool in_far_code);
|
||||
void EmitStoreGuestMemory(const CodeBlockInstruction& cbi, const Value& address, const SpeculativeValue& address_spec,
|
||||
const Value& value);
|
||||
void EmitStoreGuestMemoryFastmem(const CodeBlockInstruction& cbi, const Value& address, const Value& value);
|
||||
void EmitStoreGuestMemorySlowmem(const CodeBlockInstruction& cbi, const Value& address, const Value& value, bool in_far_code);
|
||||
void EmitStoreGuestMemorySlowmem(const CodeBlockInstruction& cbi, const Value& address, const Value& value,
|
||||
bool in_far_code);
|
||||
|
||||
// Unconditional branch to pointer. May allocate a scratch register.
|
||||
void EmitBranch(const void* address, bool allow_scratch = true);
|
||||
|
|
@ -236,6 +242,24 @@ private:
|
|||
bool m_current_instruction_was_branch_taken_dirty = false;
|
||||
bool m_load_delay_dirty = false;
|
||||
bool m_next_load_delay_dirty = false;
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////
|
||||
// Speculative Constants
|
||||
//////////////////////////////////////////////////////////////////////////
|
||||
struct SpeculativeConstants
|
||||
{
|
||||
std::array<SpeculativeValue, static_cast<u8>(Reg::count)> regs;
|
||||
std::unordered_map<PhysicalMemoryAddress, SpeculativeValue> memory;
|
||||
};
|
||||
|
||||
void InitSpeculativeRegs();
|
||||
void InvalidateSpeculativeValues();
|
||||
SpeculativeValue SpeculativeReadReg(Reg reg);
|
||||
void SpeculativeWriteReg(Reg reg, SpeculativeValue value);
|
||||
SpeculativeValue SpeculativeReadMemory(u32 address);
|
||||
void SpeculativeWriteMemory(VirtualMemoryAddress address, SpeculativeValue value);
|
||||
|
||||
SpeculativeConstants m_speculative_constants;
|
||||
};
|
||||
|
||||
} // namespace CPU::Recompiler
|
||||
|
|
|
|||
|
|
@ -1281,61 +1281,6 @@ void CodeGenerator::EmitAddCPUStructField(u32 offset, const Value& value)
|
|||
}
|
||||
}
|
||||
|
||||
Value CodeGenerator::EmitLoadGuestMemory(const CodeBlockInstruction& cbi, const Value& address, RegSize size)
|
||||
{
|
||||
if (address.IsConstant())
|
||||
{
|
||||
TickCount read_ticks;
|
||||
void* ptr = GetDirectReadMemoryPointer(
|
||||
static_cast<u32>(address.constant_value),
|
||||
(size == RegSize_8) ? MemoryAccessSize::Byte :
|
||||
((size == RegSize_16) ? MemoryAccessSize::HalfWord : MemoryAccessSize::Word),
|
||||
&read_ticks);
|
||||
if (ptr)
|
||||
{
|
||||
Value result = m_register_cache.AllocateScratch(size);
|
||||
EmitLoadGlobal(result.GetHostRegister(), size, ptr);
|
||||
m_delayed_cycles_add += read_ticks;
|
||||
return result;
|
||||
}
|
||||
}
|
||||
|
||||
AddPendingCycles(true);
|
||||
|
||||
Value result = m_register_cache.AllocateScratch(RegSize_64);
|
||||
if (g_settings.IsUsingFastmem())
|
||||
{
|
||||
EmitLoadGuestMemoryFastmem(cbi, address, size, result);
|
||||
}
|
||||
else
|
||||
{
|
||||
m_register_cache.FlushCallerSavedGuestRegisters(true, true);
|
||||
EmitLoadGuestMemorySlowmem(cbi, address, size, result, false);
|
||||
}
|
||||
|
||||
// Downcast to ignore upper 56/48/32 bits. This should be a noop.
|
||||
switch (size)
|
||||
{
|
||||
case RegSize_8:
|
||||
ConvertValueSizeInPlace(&result, RegSize_8, false);
|
||||
break;
|
||||
|
||||
case RegSize_16:
|
||||
ConvertValueSizeInPlace(&result, RegSize_16, false);
|
||||
break;
|
||||
|
||||
case RegSize_32:
|
||||
ConvertValueSizeInPlace(&result, RegSize_32, false);
|
||||
break;
|
||||
|
||||
default:
|
||||
UnreachableCode();
|
||||
break;
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
void CodeGenerator::EmitLoadGuestMemoryFastmem(const CodeBlockInstruction& cbi, const Value& address, RegSize size,
|
||||
Value& result)
|
||||
{
|
||||
|
|
@ -1470,39 +1415,11 @@ void CodeGenerator::EmitLoadGuestMemorySlowmem(const CodeBlockInstruction& cbi,
|
|||
}
|
||||
}
|
||||
|
||||
void CodeGenerator::EmitStoreGuestMemory(const CodeBlockInstruction& cbi, const Value& address, const Value& value)
|
||||
{
|
||||
if (address.IsConstant())
|
||||
{
|
||||
void* ptr = GetDirectWriteMemoryPointer(
|
||||
static_cast<u32>(address.constant_value),
|
||||
(value.size == RegSize_8) ? MemoryAccessSize::Byte :
|
||||
((value.size == RegSize_16) ? MemoryAccessSize::HalfWord : MemoryAccessSize::Word));
|
||||
if (ptr)
|
||||
{
|
||||
EmitStoreGlobal(ptr, value);
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
AddPendingCycles(true);
|
||||
|
||||
if (g_settings.IsUsingFastmem())
|
||||
{
|
||||
// we need the value in a host register to store it
|
||||
Value value_in_hr = GetValueInHostRegister(value);
|
||||
EmitStoreGuestMemoryFastmem(cbi, address, value_in_hr);
|
||||
}
|
||||
else
|
||||
{
|
||||
m_register_cache.FlushCallerSavedGuestRegisters(true, true);
|
||||
EmitStoreGuestMemorySlowmem(cbi, address, value, false);
|
||||
}
|
||||
}
|
||||
|
||||
void CodeGenerator::EmitStoreGuestMemoryFastmem(const CodeBlockInstruction& cbi, const Value& address,
|
||||
const Value& value)
|
||||
{
|
||||
Value value_in_hr = GetValueInHostRegister(value);
|
||||
|
||||
// fastmem
|
||||
LoadStoreBackpatchInfo bpi;
|
||||
bpi.host_pc = GetCurrentNearCodePointer();
|
||||
|
|
@ -1525,15 +1442,15 @@ void CodeGenerator::EmitStoreGuestMemoryFastmem(const CodeBlockInstruction& cbi,
|
|||
switch (value.size)
|
||||
{
|
||||
case RegSize_8:
|
||||
m_emit->Strb(GetHostReg8(value), actual_address);
|
||||
m_emit->Strb(GetHostReg8(value_in_hr), actual_address);
|
||||
break;
|
||||
|
||||
case RegSize_16:
|
||||
m_emit->Strh(GetHostReg16(value), actual_address);
|
||||
m_emit->Strh(GetHostReg16(value_in_hr), actual_address);
|
||||
break;
|
||||
|
||||
case RegSize_32:
|
||||
m_emit->Str(GetHostReg32(value), actual_address);
|
||||
m_emit->Str(GetHostReg32(value_in_hr), actual_address);
|
||||
break;
|
||||
|
||||
default:
|
||||
|
|
@ -1548,7 +1465,7 @@ void CodeGenerator::EmitStoreGuestMemoryFastmem(const CodeBlockInstruction& cbi,
|
|||
bpi.host_slowmem_pc = GetCurrentFarCodePointer();
|
||||
SwitchToFarCode();
|
||||
|
||||
EmitStoreGuestMemorySlowmem(cbi, address, value, true);
|
||||
EmitStoreGuestMemorySlowmem(cbi, address, value_in_hr, true);
|
||||
|
||||
// return to the block code
|
||||
EmitBranch(GetCurrentNearCodePointer(), false);
|
||||
|
|
@ -1563,6 +1480,8 @@ void CodeGenerator::EmitStoreGuestMemorySlowmem(const CodeBlockInstruction& cbi,
|
|||
{
|
||||
AddPendingCycles(true);
|
||||
|
||||
Value value_in_hr = GetValueInHostRegister(value);
|
||||
|
||||
if (g_settings.cpu_recompiler_memory_exceptions)
|
||||
{
|
||||
Assert(!in_far_code);
|
||||
|
|
@ -1571,15 +1490,15 @@ void CodeGenerator::EmitStoreGuestMemorySlowmem(const CodeBlockInstruction& cbi,
|
|||
switch (value.size)
|
||||
{
|
||||
case RegSize_8:
|
||||
EmitFunctionCall(&result, &Thunks::WriteMemoryByte, address, value);
|
||||
EmitFunctionCall(&result, &Thunks::WriteMemoryByte, address, value_in_hr);
|
||||
break;
|
||||
|
||||
case RegSize_16:
|
||||
EmitFunctionCall(&result, &Thunks::WriteMemoryHalfWord, address, value);
|
||||
EmitFunctionCall(&result, &Thunks::WriteMemoryHalfWord, address, value_in_hr);
|
||||
break;
|
||||
|
||||
case RegSize_32:
|
||||
EmitFunctionCall(&result, &Thunks::WriteMemoryWord, address, value);
|
||||
EmitFunctionCall(&result, &Thunks::WriteMemoryWord, address, value_in_hr);
|
||||
break;
|
||||
|
||||
default:
|
||||
|
|
@ -1616,15 +1535,15 @@ void CodeGenerator::EmitStoreGuestMemorySlowmem(const CodeBlockInstruction& cbi,
|
|||
switch (value.size)
|
||||
{
|
||||
case RegSize_8:
|
||||
EmitFunctionCall(nullptr, &Thunks::UncheckedWriteMemoryByte, address, value);
|
||||
EmitFunctionCall(nullptr, &Thunks::UncheckedWriteMemoryByte, address, value_in_hr);
|
||||
break;
|
||||
|
||||
case RegSize_16:
|
||||
EmitFunctionCall(nullptr, &Thunks::UncheckedWriteMemoryHalfWord, address, value);
|
||||
EmitFunctionCall(nullptr, &Thunks::UncheckedWriteMemoryHalfWord, address, value_in_hr);
|
||||
break;
|
||||
|
||||
case RegSize_32:
|
||||
EmitFunctionCall(nullptr, &Thunks::UncheckedWriteMemoryWord, address, value);
|
||||
EmitFunctionCall(nullptr, &Thunks::UncheckedWriteMemoryWord, address, value_in_hr);
|
||||
break;
|
||||
|
||||
default:
|
||||
|
|
|
|||
|
|
@ -1,6 +1,9 @@
|
|||
#include "cpu_core.h"
|
||||
#include "cpu_core_private.h"
|
||||
#include "cpu_recompiler_code_generator.h"
|
||||
#include "settings.h"
|
||||
#include "common/log.h"
|
||||
Log_SetChannel(Recompiler::CodeGenerator);
|
||||
|
||||
namespace CPU::Recompiler {
|
||||
|
||||
|
|
@ -23,6 +26,117 @@ void CodeGenerator::EmitStoreInterpreterLoadDelay(Reg reg, const Value& value)
|
|||
m_load_delay_dirty = true;
|
||||
}
|
||||
|
||||
Value CodeGenerator::EmitLoadGuestMemory(const CodeBlockInstruction& cbi, const Value& address,
|
||||
const SpeculativeValue& address_spec, RegSize size)
|
||||
{
|
||||
if (address.IsConstant())
|
||||
{
|
||||
TickCount read_ticks;
|
||||
void* ptr = GetDirectReadMemoryPointer(
|
||||
static_cast<u32>(address.constant_value),
|
||||
(size == RegSize_8) ? MemoryAccessSize::Byte :
|
||||
((size == RegSize_16) ? MemoryAccessSize::HalfWord : MemoryAccessSize::Word),
|
||||
&read_ticks);
|
||||
if (ptr)
|
||||
{
|
||||
Value result = m_register_cache.AllocateScratch(size);
|
||||
EmitLoadGlobal(result.GetHostRegister(), size, ptr);
|
||||
m_delayed_cycles_add += read_ticks;
|
||||
return result;
|
||||
}
|
||||
}
|
||||
|
||||
AddPendingCycles(true);
|
||||
|
||||
const bool use_fastmem = address_spec ? Bus::CanUseFastmemForAddress(*address_spec) : true;
|
||||
if (address_spec)
|
||||
{
|
||||
if (!use_fastmem)
|
||||
Log_DevPrintf("Non-constant load at 0x%08X, speculative address 0x%08X, using fastmem = %s", cbi.pc,
|
||||
*address_spec, use_fastmem ? "yes" : "no");
|
||||
}
|
||||
else
|
||||
{
|
||||
Log_DevPrintf("Non-constant load at 0x%08X, speculative address UNKNOWN, using fastmem = %s", cbi.pc,
|
||||
use_fastmem ? "yes" : "no");
|
||||
}
|
||||
|
||||
Value result = m_register_cache.AllocateScratch(RegSize_64);
|
||||
if (g_settings.IsUsingFastmem() && use_fastmem)
|
||||
{
|
||||
EmitLoadGuestMemoryFastmem(cbi, address, size, result);
|
||||
}
|
||||
else
|
||||
{
|
||||
m_register_cache.FlushCallerSavedGuestRegisters(true, true);
|
||||
EmitLoadGuestMemorySlowmem(cbi, address, size, result, false);
|
||||
}
|
||||
|
||||
// Downcast to ignore upper 56/48/32 bits. This should be a noop.
|
||||
switch (size)
|
||||
{
|
||||
case RegSize_8:
|
||||
ConvertValueSizeInPlace(&result, RegSize_8, false);
|
||||
break;
|
||||
|
||||
case RegSize_16:
|
||||
ConvertValueSizeInPlace(&result, RegSize_16, false);
|
||||
break;
|
||||
|
||||
case RegSize_32:
|
||||
ConvertValueSizeInPlace(&result, RegSize_32, false);
|
||||
break;
|
||||
|
||||
default:
|
||||
UnreachableCode();
|
||||
break;
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
void CodeGenerator::EmitStoreGuestMemory(const CodeBlockInstruction& cbi, const Value& address,
|
||||
const SpeculativeValue& address_spec, const Value& value)
|
||||
{
|
||||
if (address.IsConstant())
|
||||
{
|
||||
void* ptr = GetDirectWriteMemoryPointer(
|
||||
static_cast<u32>(address.constant_value),
|
||||
(value.size == RegSize_8) ? MemoryAccessSize::Byte :
|
||||
((value.size == RegSize_16) ? MemoryAccessSize::HalfWord : MemoryAccessSize::Word));
|
||||
if (ptr)
|
||||
{
|
||||
EmitStoreGlobal(ptr, value);
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
AddPendingCycles(true);
|
||||
|
||||
const bool use_fastmem = address_spec ? Bus::CanUseFastmemForAddress(*address_spec) : true;
|
||||
if (address_spec)
|
||||
{
|
||||
if (!use_fastmem)
|
||||
Log_DevPrintf("Non-constant store at 0x%08X, speculative address 0x%08X, using fastmem = %s", cbi.pc,
|
||||
*address_spec, use_fastmem ? "yes" : "no");
|
||||
}
|
||||
else
|
||||
{
|
||||
Log_DevPrintf("Non-constant store at 0x%08X, speculative address UNKNOWN, using fastmem = %s", cbi.pc,
|
||||
use_fastmem ? "yes" : "no");
|
||||
}
|
||||
|
||||
if (g_settings.IsUsingFastmem() && use_fastmem)
|
||||
{
|
||||
EmitStoreGuestMemoryFastmem(cbi, address, value);
|
||||
}
|
||||
else
|
||||
{
|
||||
m_register_cache.FlushCallerSavedGuestRegisters(true, true);
|
||||
EmitStoreGuestMemorySlowmem(cbi, address, value, false);
|
||||
}
|
||||
}
|
||||
|
||||
#ifndef CPU_X64
|
||||
|
||||
void CodeGenerator::EmitICacheCheckAndUpdate()
|
||||
|
|
|
|||
|
|
@ -1745,61 +1745,6 @@ void CodeGenerator::EmitAddCPUStructField(u32 offset, const Value& value)
|
|||
}
|
||||
}
|
||||
|
||||
Value CodeGenerator::EmitLoadGuestMemory(const CodeBlockInstruction& cbi, const Value& address, RegSize size)
|
||||
{
|
||||
if (address.IsConstant())
|
||||
{
|
||||
TickCount read_ticks;
|
||||
void* ptr = GetDirectReadMemoryPointer(
|
||||
static_cast<u32>(address.constant_value),
|
||||
(size == RegSize_8) ? MemoryAccessSize::Byte :
|
||||
((size == RegSize_16) ? MemoryAccessSize::HalfWord : MemoryAccessSize::Word),
|
||||
&read_ticks);
|
||||
if (ptr)
|
||||
{
|
||||
Value result = m_register_cache.AllocateScratch(size);
|
||||
EmitLoadGlobal(result.GetHostRegister(), size, ptr);
|
||||
m_delayed_cycles_add += read_ticks;
|
||||
return result;
|
||||
}
|
||||
}
|
||||
|
||||
AddPendingCycles(true);
|
||||
|
||||
Value result = m_register_cache.AllocateScratch(RegSize_64);
|
||||
if (g_settings.IsUsingFastmem())
|
||||
{
|
||||
EmitLoadGuestMemoryFastmem(cbi, address, size, result);
|
||||
}
|
||||
else
|
||||
{
|
||||
m_register_cache.FlushCallerSavedGuestRegisters(true, true);
|
||||
EmitLoadGuestMemorySlowmem(cbi, address, size, result, false);
|
||||
}
|
||||
|
||||
// Downcast to ignore upper 56/48/32 bits. This should be a noop.
|
||||
switch (size)
|
||||
{
|
||||
case RegSize_8:
|
||||
ConvertValueSizeInPlace(&result, RegSize_8, false);
|
||||
break;
|
||||
|
||||
case RegSize_16:
|
||||
ConvertValueSizeInPlace(&result, RegSize_16, false);
|
||||
break;
|
||||
|
||||
case RegSize_32:
|
||||
ConvertValueSizeInPlace(&result, RegSize_32, false);
|
||||
break;
|
||||
|
||||
default:
|
||||
UnreachableCode();
|
||||
break;
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
void CodeGenerator::EmitLoadGuestMemoryFastmem(const CodeBlockInstruction& cbi, const Value& address, RegSize size,
|
||||
Value& result)
|
||||
{
|
||||
|
|
@ -1967,34 +1912,6 @@ void CodeGenerator::EmitLoadGuestMemorySlowmem(const CodeBlockInstruction& cbi,
|
|||
}
|
||||
}
|
||||
|
||||
void CodeGenerator::EmitStoreGuestMemory(const CodeBlockInstruction& cbi, const Value& address, const Value& value)
|
||||
{
|
||||
if (address.IsConstant())
|
||||
{
|
||||
void* ptr = GetDirectWriteMemoryPointer(
|
||||
static_cast<u32>(address.constant_value),
|
||||
(value.size == RegSize_8) ? MemoryAccessSize::Byte :
|
||||
((value.size == RegSize_16) ? MemoryAccessSize::HalfWord : MemoryAccessSize::Word));
|
||||
if (ptr)
|
||||
{
|
||||
EmitStoreGlobal(ptr, value);
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
AddPendingCycles(true);
|
||||
|
||||
if (g_settings.IsUsingFastmem())
|
||||
{
|
||||
EmitStoreGuestMemoryFastmem(cbi, address, value);
|
||||
}
|
||||
else
|
||||
{
|
||||
m_register_cache.FlushCallerSavedGuestRegisters(true, true);
|
||||
EmitStoreGuestMemorySlowmem(cbi, address, value, false);
|
||||
}
|
||||
}
|
||||
|
||||
void CodeGenerator::EmitStoreGuestMemoryFastmem(const CodeBlockInstruction& cbi, const Value& address,
|
||||
const Value& value)
|
||||
{
|
||||
|
|
|
|||
Loading…
Reference in a new issue