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Merge pull request #12278 from JosJuice/jitarm64-gpr-loop 

JitArm64: Optimize Arm64GPRCache::FlushRegisters/FlushCRRegisters
This commit is contained in:
Mai 2023-11-28 04:14:34 +01:00 committed by GitHub
parent 6be8e63b23 6a9f565ac4
commit 2869a4c168
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 33 additions and 39 deletions
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68
Source/Core/Core/PowerPC/JitArm64/JitArm64_RegCache.cpp
View File

@ -241,63 +241,57 @@ void Arm64GPRCache::FlushRegister(size_t index, bool maintain_state, ARM64Reg tm
void Arm64GPRCache::FlushRegisters(BitSet32 regs, bool maintain_state, ARM64Reg tmp_reg)
{
for (size_t i = 0; i < GUEST_GPR_COUNT; ++i)
for (int i : regs)
{
if (regs[i])
{
ASSERT_MSG(DYNA_REC, m_guest_registers[GUEST_GPR_OFFSET + i].GetType() != RegType::Discarded,
"Attempted to flush discarded register");
ASSERT_MSG(DYNA_REC, m_guest_registers[GUEST_GPR_OFFSET + i].GetType() != RegType::Discarded,
"Attempted to flush discarded register");
if (i + 1 < GUEST_GPR_COUNT && regs[i + 1])
if (i + 1 < GUEST_GPR_COUNT && regs[i + 1])
{
// We've got two guest registers in a row to store
OpArg& reg1 = m_guest_registers[GUEST_GPR_OFFSET + i];
OpArg& reg2 = m_guest_registers[GUEST_GPR_OFFSET + i + 1];
if (reg1.IsDirty() && reg2.IsDirty() && reg1.GetType() == RegType::Register &&
reg2.GetType() == RegType::Register)
{
// We've got two guest registers in a row to store
OpArg& reg1 = m_guest_registers[GUEST_GPR_OFFSET + i];
OpArg& reg2 = m_guest_registers[GUEST_GPR_OFFSET + i + 1];
if (reg1.IsDirty() && reg2.IsDirty() && reg1.GetType() == RegType::Register &&
reg2.GetType() == RegType::Register)
const size_t ppc_offset = GetGuestByIndex(i).ppc_offset;
if (ppc_offset <= 252)
{
const size_t ppc_offset = GetGuestByIndex(i).ppc_offset;
if (ppc_offset <= 252)
ARM64Reg RX1 = R(GetGuestByIndex(i));
ARM64Reg RX2 = R(GetGuestByIndex(i + 1));
m_emit->STP(IndexType::Signed, RX1, RX2, PPC_REG, u32(ppc_offset));
if (!maintain_state)
{
ARM64Reg RX1 = R(GetGuestByIndex(i));
ARM64Reg RX2 = R(GetGuestByIndex(i + 1));
m_emit->STP(IndexType::Signed, RX1, RX2, PPC_REG, u32(ppc_offset));
if (!maintain_state)
{
UnlockRegister(EncodeRegTo32(RX1));
UnlockRegister(EncodeRegTo32(RX2));
reg1.Flush();
reg2.Flush();
}
++i;
continue;
UnlockRegister(EncodeRegTo32(RX1));
UnlockRegister(EncodeRegTo32(RX2));
reg1.Flush();
reg2.Flush();
}
++i;
continue;
}
}
FlushRegister(GUEST_GPR_OFFSET + i, maintain_state, tmp_reg);
}
FlushRegister(GUEST_GPR_OFFSET + i, maintain_state, tmp_reg);
}
}
void Arm64GPRCache::FlushCRRegisters(BitSet32 regs, bool maintain_state, ARM64Reg tmp_reg)
void Arm64GPRCache::FlushCRRegisters(BitSet8 regs, bool maintain_state, ARM64Reg tmp_reg)
{
for (size_t i = 0; i < GUEST_CR_COUNT; ++i)
for (int i : regs)
{
if (regs[i])
{
ASSERT_MSG(DYNA_REC, m_guest_registers[GUEST_CR_OFFSET + i].GetType() != RegType::Discarded,
"Attempted to flush discarded register");
ASSERT_MSG(DYNA_REC, m_guest_registers[GUEST_CR_OFFSET + i].GetType() != RegType::Discarded,
"Attempted to flush discarded register");
FlushRegister(GUEST_CR_OFFSET + i, maintain_state, tmp_reg);
}
FlushRegister(GUEST_CR_OFFSET + i, maintain_state, tmp_reg);
}
}
void Arm64GPRCache::Flush(FlushMode mode, ARM64Reg tmp_reg)
{
FlushRegisters(BitSet32(~0U), mode == FlushMode::MaintainState, tmp_reg);
FlushCRRegisters(BitSet32(~0U), mode == FlushMode::MaintainState, tmp_reg);
FlushRegisters(BitSet32(0xFFFFFFFF), mode == FlushMode::MaintainState, tmp_reg);
FlushCRRegisters(BitSet8(0xFF), mode == FlushMode::MaintainState, tmp_reg);
}
ARM64Reg Arm64GPRCache::R(const GuestRegInfo& guest_reg)

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

@ -330,7 +330,7 @@ public:
FlushRegisters(regs, false, tmp_reg);
}
void StoreCRRegisters(BitSet32 regs, Arm64Gen::ARM64Reg tmp_reg = Arm64Gen::ARM64Reg::INVALID_REG)
void StoreCRRegisters(BitSet8 regs, Arm64Gen::ARM64Reg tmp_reg = Arm64Gen::ARM64Reg::INVALID_REG)
{
FlushCRRegisters(regs, false, tmp_reg);
}
@ -365,7 +365,7 @@ private:
void BindToRegister(const GuestRegInfo& guest_reg, bool will_read, bool will_write = true);
void FlushRegisters(BitSet32 regs, bool maintain_state, Arm64Gen::ARM64Reg tmp_reg);
void FlushCRRegisters(BitSet32 regs, bool maintain_state, Arm64Gen::ARM64Reg tmp_reg);
void FlushCRRegisters(BitSet8 regs, bool maintain_state, Arm64Gen::ARM64Reg tmp_reg);
};
class Arm64FPRCache : public Arm64RegCache