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Recompiler Ops: Jal to use relative address

This commit is contained in:
zilmar 2013-01-12 08:16:35 +11:00
parent 3e2b93203b
commit 196b8ee100
1 changed files with 16 additions and 7 deletions
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23
Source/Project64/N64 System/Recompiler/Recompiler Ops.cpp
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@ -1352,9 +1352,10 @@ void CRecompilerOps::J (void) {
void CRecompilerOps::JAL (void) {
if ( m_NextInstruction == NORMAL ) {
CPU_Message(" %X %s",m_CompilePC,R4300iOpcodeName(m_Opcode.Hex,m_CompilePC));
UnMap_GPR( 31, FALSE);
m_RegWorkingSet.SetMipsRegLo(31,m_CompilePC + 8);
m_RegWorkingSet.SetMipsRegState(31,CRegInfo::STATE_CONST_32);
Map_GPR_32bit(31,true,-1);
MoveVariableToX86reg(_PROGRAM_COUNTER,"_PROGRAM_COUNTER",GetMipsRegMapLo(31));
AndConstToX86Reg(GetMipsRegMapLo(31), 0xF0000000);
AddConstToX86Reg(GetMipsRegMapLo(31),(m_CompilePC + 8) & ~0xF0000000);
if ((m_CompilePC & 0xFFC) == 0xFFC)
{
MoveConstToVariable((m_CompilePC & 0xF0000000) + (m_Opcode.target << 2),&R4300iOp::m_JumpToLocation,"R4300iOp::m_JumpToLocation");
@ -1378,14 +1379,22 @@ void CRecompilerOps::JAL (void) {
m_Section->m_Jump.RegSet = m_RegWorkingSet;
m_Section->GenerateSectionLinkage();
} else {
m_RegWorkingSet.WriteBackRegisters();
x86Reg pc_reg = Map_TempReg(x86_Any,-1,false);
MoveVariableToX86reg(_PROGRAM_COUNTER,"_PROGRAM_COUNTER",pc_reg);
AndConstToX86Reg(pc_reg, 0xF0000000);
AddConstToX86Reg(pc_reg,(m_Opcode.target << 2));
MoveX86regToVariable(pc_reg,_PROGRAM_COUNTER,"_PROGRAM_COUNTER");
DWORD TargetPC = (m_CompilePC & 0xF0000000) + (m_Opcode.target << 2);
m_Section->CompileExit(m_CompilePC,TargetPC,m_RegWorkingSet,CExitInfo::Normal,TRUE,NULL);
UpdateCounters(m_RegWorkingSet,TargetPC <= m_CompilePC, true);
m_Section->CompileExit((DWORD)-1, (DWORD)-1,m_RegWorkingSet,CExitInfo::Normal,TRUE,NULL);
}
m_NextInstruction = END_BLOCK;
} else {
#ifndef EXTERNAL_RELEASE
g_Notify->DisplayError("WTF\n\nBranch\nNextInstruction = %X", m_NextInstruction);
#endif
g_Notify->BreakPoint(__FILE__,__LINE__);
}
return;
}