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[Project64] Keep Arm_R11 for temp reg

This commit is contained in:
zilmar 2016-11-23 08:39:40 +11:00
parent 442429b5dc
commit b8985ce815
2 changed files with 22 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
Source/Project64-core/N64System/Recompiler/Arm/ArmRegInfo.cpp
View File

@ -189,7 +189,7 @@ void CArmRegInfo::Map_GPR_32bit(int32_t MipsReg, bool SignValue, int32_t MipsReg
if (IsUnknown(MipsReg) || IsConst(MipsReg))
{
Reg = FreeArmReg();
Reg = FreeArmReg(false);
if (Reg < 0)
{
if (bHaveDebugger()) { g_Notify->DisplayError("Map_GPR_32bit\n\nOut of registers"); }
@ -275,7 +275,7 @@ void CArmRegInfo::Map_GPR_64bit(int32_t MipsReg, int32_t MipsRegToLoad)
ProtectGPR(MipsReg);
if (IsUnknown(MipsReg) || IsConst(MipsReg))
{
regHi = FreeArmReg();
regHi = FreeArmReg(false);
if (regHi < 0)
{
if (bHaveDebugger()) { g_Notify->DisplayError("Map_GPR_64bit\n\nOut of registers"); }
@ -284,7 +284,7 @@ void CArmRegInfo::Map_GPR_64bit(int32_t MipsReg, int32_t MipsRegToLoad)
}
SetArmRegProtected(regHi, true);
reglo = FreeArmReg();
reglo = FreeArmReg(false);
if (reglo < 0)
{
if (bHaveDebugger()) { g_Notify->DisplayError("Map_GPR_64bit\n\nOut of registers"); }
@ -302,7 +302,7 @@ void CArmRegInfo::Map_GPR_64bit(int32_t MipsReg, int32_t MipsRegToLoad)
if (Is32Bit(MipsReg))
{
SetArmRegProtected(reglo, true);
regHi = FreeArmReg();
regHi = FreeArmReg(false);
if (regHi < 0)
{
if (bHaveDebugger()) { g_Notify->DisplayError("Map_GPR_64bit\n\nOut of registers"); }
@ -566,7 +566,7 @@ void CArmRegInfo::UnMap_AllFPRs()
CPU_Message("%s", __FUNCTION__);
}
CArmOps::ArmReg CArmRegInfo::UnMap_TempReg()
CArmOps::ArmReg CArmRegInfo::UnMap_TempReg(bool TempMapping)
{
if (m_InCallDirect)
{
@ -584,8 +584,10 @@ CArmOps::ArmReg CArmRegInfo::UnMap_TempReg()
if (GetArmRegMapped(Arm_R2) == Temp_Mapped && !GetArmRegProtected(Arm_R2)) { return Arm_R2; }
if (GetArmRegMapped(Arm_R1) == Temp_Mapped && !GetArmRegProtected(Arm_R1)) { return Arm_R1; }
if (GetArmRegMapped(Arm_R0) == Temp_Mapped && !GetArmRegProtected(Arm_R0)) { return Arm_R0; }
if (GetArmRegMapped(Arm_R12) == Temp_Mapped && !GetArmRegProtected(Arm_R12)) { return Arm_R12; }
if (GetArmRegMapped(Arm_R11) == Temp_Mapped && !GetArmRegProtected(Arm_R11)) { return Arm_R11; }
if (TempMapping)
{
if (GetArmRegMapped(Arm_R11) == Temp_Mapped && !GetArmRegProtected(Arm_R11)) { return Arm_R11; }
}
if (GetArmRegMapped(Arm_R10) == Temp_Mapped && !GetArmRegProtected(Arm_R10)) { return Arm_R10; }
if (GetArmRegMapped(Arm_R9) == Temp_Mapped && !GetArmRegProtected(Arm_R9)) { return Arm_R9; }
if (GetArmRegMapped(Arm_R8) == Temp_Mapped && !GetArmRegProtected(Arm_R8)) { return Arm_R8; }
@ -679,7 +681,7 @@ void CArmRegInfo::ResetRegProtection()
}
}
CArmOps::ArmReg CArmRegInfo::FreeArmReg()
CArmOps::ArmReg CArmRegInfo::FreeArmReg(bool TempMapping)
{
if (m_InCallDirect)
{
@ -695,23 +697,26 @@ CArmOps::ArmReg CArmRegInfo::FreeArmReg()
if ((GetArmRegMapped(Arm_R2) == NotMapped || GetArmRegMapped(Arm_R2) == Temp_Mapped) && !GetArmRegProtected(Arm_R2)) { return Arm_R2; }
if ((GetArmRegMapped(Arm_R1) == NotMapped || GetArmRegMapped(Arm_R1) == Temp_Mapped) && !GetArmRegProtected(Arm_R1)) { return Arm_R1; }
if ((GetArmRegMapped(Arm_R0) == NotMapped || GetArmRegMapped(Arm_R0) == Temp_Mapped) && !GetArmRegProtected(Arm_R0)) { return Arm_R0; }
if ((GetArmRegMapped(Arm_R11) == NotMapped || GetArmRegMapped(Arm_R11) == Temp_Mapped) && !GetArmRegProtected(Arm_R11)) { return Arm_R11; }
if (TempMapping)
{
if ((GetArmRegMapped(Arm_R11) == NotMapped || GetArmRegMapped(Arm_R11) == Temp_Mapped) && !GetArmRegProtected(Arm_R11)) { return Arm_R11; }
}
if ((GetArmRegMapped(Arm_R10) == NotMapped || GetArmRegMapped(Arm_R10) == Temp_Mapped) && !GetArmRegProtected(Arm_R10)) { return Arm_R10; }
if ((GetArmRegMapped(Arm_R9) == NotMapped || GetArmRegMapped(Arm_R9) == Temp_Mapped) && !GetArmRegProtected(Arm_R9)) { return Arm_R9; }
if ((GetArmRegMapped(Arm_R8) == NotMapped || GetArmRegMapped(Arm_R8) == Temp_Mapped) && !GetArmRegProtected(Arm_R8)) { return Arm_R8; }
ArmReg Reg = UnMap_TempReg();
ArmReg Reg = UnMap_TempReg(TempMapping);
if (Reg != Arm_Unknown) { return Reg; }
int32_t MapCount[Arm_R12];
ArmReg MapReg[Arm_R12];
for (int32_t i = 0, n = Arm_R12; i < n; i++)
for (int32_t i = 0, n = TempMapping ? Arm_R12 : Arm_R11; i < n; i++)
{
MapCount[i] = GetArmRegMapOrder((ArmReg)i);
MapReg[i] = (ArmReg)i;
}
for (int32_t i = 0, n = Arm_R12; i < n; i++)
for (int32_t i = 0, n = TempMapping ? Arm_R12 : Arm_R11; i < n; i++)
{
bool changed = false;
for (int32_t z = 0; z < n - 1; z++)
@ -734,7 +739,7 @@ CArmOps::ArmReg CArmRegInfo::FreeArmReg()
}
}
for (int32_t i = 0, n = Arm_R12; i < n; i++)
for (int32_t i = 0, n = TempMapping ? Arm_R12 : Arm_R11; i < n; i++)
{
if (((MapCount[i] > 0 && GetArmRegMapped(MapReg[i]) == GPR_Mapped) || GetArmRegMapped(MapReg[i]) == Variable_Mapped) && !GetArmRegProtected((ArmReg)MapReg[i]))
{
@ -775,7 +780,7 @@ CArmOps::ArmReg CArmRegInfo::Map_TempReg(ArmReg Reg, int32_t MipsReg, bool LoadH
if (Reg == Arm_Any)
{
Reg = FreeArmReg();
Reg = FreeArmReg(true);
if (Reg == Arm_Unknown)
{
WriteTrace(TraceRegisterCache, TraceError, "Failed to find a free register");
@ -910,7 +915,7 @@ CArmOps::ArmReg CArmRegInfo::Map_Variable(VARIABLE_MAPPED variable, ArmReg Reg)
return Reg;
}
Reg = variable == VARIABLE_GPR ? Arm_R12 : FreeArmReg();
Reg = variable == VARIABLE_GPR ? Arm_R12 : FreeArmReg(false);
if (Reg == Arm_Unknown)
{
WriteTrace(TraceRegisterCache, TraceError, "Failed to find a free register");

4
Source/Project64-core/N64System/Recompiler/Arm/ArmRegInfo.h
View File

@ -56,7 +56,7 @@ public:
void FixRoundModel(FPU_ROUND RoundMethod);
void Map_GPR_32bit(int32_t MipsReg, bool SignValue, int32_t MipsRegToLoad);
void Map_GPR_64bit(int32_t MipsReg, int32_t MipsRegToLoad);
ArmReg FreeArmReg();
ArmReg FreeArmReg(bool TempMapping);
void WriteBackRegisters();
ArmReg Map_TempReg(ArmReg Reg, int32_t MipsReg, bool LoadHiWord);
@ -64,7 +64,7 @@ public:
ArmReg GetVariableReg(VARIABLE_MAPPED variable) const;
void ProtectGPR(uint32_t Reg);
void UnMap_AllFPRs();
ArmReg UnMap_TempReg();
ArmReg UnMap_TempReg(bool TempMapping);
void UnMap_GPR(uint32_t Reg, bool WriteBackValue);
void WriteBack_GPR(uint32_t MipsReg, bool Unmapping);
bool UnMap_ArmReg(ArmReg Reg);