ShuriZma
/
project64
mirror of https://github.com/project64/project64.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

core: make CX86RecompilerOps::SPECIAL_JALR handle 64bit PC

This commit is contained in:
zilmar 2025-02-20 13:25:44 +10:30
parent 5e029ecf6a
commit fa57ce7fb8
1 changed files with 12 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
Source/Project64-core/N64System/Recompiler/x86/x86RecompilerOps.cpp
View File

@ -4621,15 +4621,24 @@ void CX86RecompilerOps::SPECIAL_JALR()
{
if (m_RegWorkingSet.IsConst(m_Opcode.rs))
{
m_Assembler.MoveConstToVariable(&m_Reg.m_PROGRAM_COUNTER, "PROGRAM_COUNTER", m_RegWorkingSet.GetMipsRegLo(m_Opcode.rs));
if (((int)m_CompilePC >> 31) != (m_RegWorkingSet.Is64Bit(m_Opcode.rs) ? (int)m_RegWorkingSet.GetMipsRegHi(m_Opcode.rs) : (m_RegWorkingSet.GetMipsRegLo_S(m_Opcode.rs) >> 31)))
{
m_Assembler.MoveConst64ToVariable(&m_Reg.m_PROGRAM_COUNTER, "PROGRAM_COUNTER", m_RegWorkingSet.Is64Bit(m_Opcode.rs) ? m_RegWorkingSet.GetMipsReg(m_Opcode.rs) : (int)m_RegWorkingSet.GetMipsRegLo_S(m_Opcode.rs));
}
else
{
m_Assembler.MoveConstToVariable(&m_Reg.m_PROGRAM_COUNTER, "PROGRAM_COUNTER", m_RegWorkingSet.GetMipsRegLo(m_Opcode.rs));
}
}
else if (m_RegWorkingSet.IsMapped(m_Opcode.rs))
{
m_Assembler.MoveX86regToVariable(&m_Reg.m_PROGRAM_COUNTER, "PROGRAM_COUNTER", m_RegWorkingSet.GetMipsRegMapLo(m_Opcode.rs));
m_Assembler.MoveX86regToVariable(((uint8_t *)&m_Reg.m_PROGRAM_COUNTER) + 4, "PROGRAM_COUNTER + 4", m_RegWorkingSet.Is64Bit(m_Opcode.rs) ? m_RegWorkingSet.GetMipsRegMapHi(m_Opcode.rs) : m_RegWorkingSet.Map_TempReg(x86Reg_Unknown, m_Opcode.rs, true, false));
}
else
{
m_Assembler.MoveX86regToVariable(&m_Reg.m_PROGRAM_COUNTER, "PROGRAM_COUNTER", m_RegWorkingSet.Map_TempReg(x86Reg_Unknown, m_Opcode.rs, false, false));
m_Assembler.MoveX86regToVariable(((uint8_t *)&m_Reg.m_PROGRAM_COUNTER) + 4, "PROGRAM_COUNTER + 4", m_RegWorkingSet.Map_TempReg(x86Reg_Unknown, m_Opcode.rs, true, false));
}
}
m_RegWorkingSet.UnMap_GPR(m_Opcode.rd, false);
@ -4640,12 +4649,14 @@ void CX86RecompilerOps::SPECIAL_JALR()
if (m_RegWorkingSet.IsMapped(m_Opcode.rs))
{
m_Assembler.MoveX86regToVariable(&g_System->m_JumpToLocation, "System::m_JumpToLocation", m_RegWorkingSet.GetMipsRegMapLo(m_Opcode.rs));
m_Assembler.MoveX86regToVariable(((uint8_t *)&g_System->m_JumpToLocation) + 4, "System::m_JumpToLocation + 4", m_RegWorkingSet.Is64Bit(m_Opcode.rs) ? m_RegWorkingSet.GetMipsRegMapHi(m_Opcode.rs) : m_RegWorkingSet.Map_TempReg(x86Reg_Unknown, m_Opcode.rs, true, false));
m_RegWorkingSet.WriteBackRegisters();
}
else
{
m_RegWorkingSet.WriteBackRegisters();
m_Assembler.MoveX86regToVariable(&g_System->m_JumpToLocation, "System::m_JumpToLocation", m_RegWorkingSet.Map_TempReg(x86Reg_Unknown, m_Opcode.rs, false, false));
m_Assembler.MoveX86regToVariable(((uint8_t *)&g_System->m_JumpToLocation) + 4, "System::m_JumpToLocation + 4", m_RegWorkingSet.Map_TempReg(x86Reg_Unknown, m_Opcode.rs, true, false));
}
OverflowDelaySlot(true);
return;