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JitArm64: Add bitset constants for caller saved registers

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This commit is contained in:
JosJuice 2021-07-08 18:38:22 +02:00
parent 6c3141e0cc
commit de21dc5fd9
3 changed files with 10 additions and 19 deletions
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2
Source/Core/Common/Arm64Emitter.h
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@ -1146,6 +1146,8 @@ public:
bool TryEORI2R(ARM64Reg Rd, ARM64Reg Rn, u64 imm);
// ABI related
static constexpr BitSet32 CALLER_SAVED_GPRS = BitSet32(0x4007FFFF);
static constexpr BitSet32 CALLER_SAVED_FPRS = BitSet32(0xFFFF00FF);
void ABI_PushRegisters(BitSet32 registers);
void ABI_PopRegisters(BitSet32 registers, BitSet32 ignore_mask = BitSet32(0));

23
Source/Core/Core/PowerPC/JitArm64/JitArm64_RegCache.cpp
View file

@ -149,15 +149,9 @@ void Arm64GPRCache::Start(PPCAnalyst::BlockRegStats& stats)
{
}
bool Arm64GPRCache::IsCalleeSaved(ARM64Reg reg) const
bool Arm64GPRCache::IsCallerSaved(ARM64Reg reg) const
{
static constexpr auto callee_regs = {
ARM64Reg::X28, ARM64Reg::X27, ARM64Reg::X26, ARM64Reg::X25,
ARM64Reg::X24, ARM64Reg::X23, ARM64Reg::X22, ARM64Reg::X21,
ARM64Reg::X20, ARM64Reg::X19, ARM64Reg::INVALID_REG,
};
return std::find(callee_regs.begin(), callee_regs.end(), EncodeRegTo64(reg)) != callee_regs.end();
return ARM64XEmitter::CALLER_SAVED_GPRS[DecodeReg(reg)];
}
const OpArg& Arm64GPRCache::GetGuestGPROpArg(size_t preg) const
@ -416,7 +410,7 @@ BitSet32 Arm64GPRCache::GetCallerSavedUsed() const
BitSet32 registers(0);
for (const auto& it : m_host_registers)
{
if (it.IsLocked() && !IsCalleeSaved(it.GetReg()))
if (it.IsLocked() && IsCallerSaved(it.GetReg()))
registers[DecodeReg(it.GetReg())] = true;
}
return registers;
@ -716,14 +710,9 @@ void Arm64FPRCache::FlushByHost(ARM64Reg host_reg, ARM64Reg tmp_reg)
}
}
bool Arm64FPRCache::IsCalleeSaved(ARM64Reg reg) const
bool Arm64FPRCache::IsCallerSaved(ARM64Reg reg) const
{
static constexpr auto callee_regs = {
ARM64Reg::Q8, ARM64Reg::Q9, ARM64Reg::Q10, ARM64Reg::Q11, ARM64Reg::Q12,
ARM64Reg::Q13, ARM64Reg::Q14, ARM64Reg::Q15, ARM64Reg::INVALID_REG,
};
return std::find(callee_regs.begin(), callee_regs.end(), reg) != callee_regs.end();
return ARM64XEmitter::CALLER_SAVED_FPRS[DecodeReg(reg)];
}
bool Arm64FPRCache::IsTopHalfUsed(ARM64Reg reg) const
@ -841,7 +830,7 @@ BitSet32 Arm64FPRCache::GetCallerSavedUsed() const
BitSet32 registers(0);
for (const auto& it : m_host_registers)
{
if (it.IsLocked() && (!IsCalleeSaved(it.GetReg()) || IsTopHalfUsed(it.GetReg())))
if (it.IsLocked() && (IsCallerSaved(it.GetReg()) || IsTopHalfUsed(it.GetReg())))
registers[DecodeReg(it.GetReg())] = true;
}
return registers;

4
Source/Core/Core/PowerPC/JitArm64/JitArm64_RegCache.h
View file

@ -291,7 +291,7 @@ protected:
void FlushRegister(size_t index, bool maintain_state, Arm64Gen::ARM64Reg tmp_reg) override;
private:
bool IsCalleeSaved(Arm64Gen::ARM64Reg reg) const;
bool IsCallerSaved(Arm64Gen::ARM64Reg reg) const;
struct GuestRegInfo
{
@ -350,7 +350,7 @@ protected:
void FlushRegister(size_t preg, bool maintain_state, Arm64Gen::ARM64Reg tmp_reg) override;
private:
bool IsCalleeSaved(Arm64Gen::ARM64Reg reg) const;
bool IsCallerSaved(Arm64Gen::ARM64Reg reg) const;
bool IsTopHalfUsed(Arm64Gen::ARM64Reg reg) const;
void FlushRegisters(BitSet32 regs, bool maintain_state, Arm64Gen::ARM64Reg tmp_reg);