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Merge pull request #2921 from Sonicadvance1/aarch64_optimize_lmw 

[AArch64] Optimize lmw.
This commit is contained in:
Ryan Houdek 2015-08-30 10:23:57 -05:00
parent cc5eb6d00b 8d61706440
commit 5110574c1f
2 changed files with 42 additions and 6 deletions
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43
Source/Core/Core/PowerPC/JitArm64/JitArm64_LoadStore.cpp
View File

@ -543,15 +543,46 @@ void JitArm64::lmw(UGeckoInstruction inst)
MOVI2R(WA, (u32)(s32)(s16)inst.SIMM_16);
}
u8* base = UReg_MSR(MSR).DR ? Memory::logical_base : Memory::physical_base;
MOVK(XA, ((u64)base >> 32) & 0xFFFF, SHIFT_32);
ADD(XA, XA, X28);
for (int i = inst.RD; i < 32; i++)
{
gpr.BindToRegister(i, false);
ARM64Reg RX = gpr.R(i);
LDR(INDEX_UNSIGNED, RX, XA, (i - inst.RD) * 4);
REV32(RX, RX);
int remaining = 32 - i;
if (remaining >= 4)
{
gpr.BindToRegister(i + 3, false);
gpr.BindToRegister(i + 2, false);
gpr.BindToRegister(i + 1, false);
gpr.BindToRegister(i, false);
ARM64Reg RX4 = gpr.R(i + 3);
ARM64Reg RX3 = gpr.R(i + 2);
ARM64Reg RX2 = gpr.R(i + 1);
ARM64Reg RX1 = gpr.R(i);
LDP(INDEX_POST, EncodeRegTo64(RX1), EncodeRegTo64(RX3), XA, 16);
REV32(EncodeRegTo64(RX1), EncodeRegTo64(RX1));
REV32(EncodeRegTo64(RX3), EncodeRegTo64(RX3));
ORR(EncodeRegTo64(RX2), ZR, EncodeRegTo64(RX1), ArithOption(EncodeRegTo64(RX1), ST_LSR, 32));
ORR(EncodeRegTo64(RX4), ZR, EncodeRegTo64(RX3), ArithOption(EncodeRegTo64(RX3), ST_LSR, 32));
i+=3;
}
else if (remaining >= 2)
{
gpr.BindToRegister(i + 1, false);
gpr.BindToRegister(i, false);
ARM64Reg RX2 = gpr.R(i + 1);
ARM64Reg RX1 = gpr.R(i);
LDP(INDEX_POST, RX1, RX2, XA, 8);
REV32(RX1, RX1);
REV32(RX2, RX2);
++i;
}
else
{
gpr.BindToRegister(i, false);
ARM64Reg RX = gpr.R(i);
LDR(INDEX_POST, RX, XA, 4);
REV32(RX, RX);
}
}
gpr.Unlock(WA);

5
Source/Core/Core/PowerPC/JitArm64/JitArm64_RegCache.cpp
View File

@ -206,6 +206,8 @@ void Arm64GPRCache::BindToRegister(u32 preg, bool do_load)
{
OpArg& reg = m_guest_registers[preg];
reg.ResetLastUsed();
reg.SetDirty(true);
if (reg.GetType() == REG_NOTLOADED)
{
@ -331,6 +333,9 @@ void Arm64FPRCache::BindToRegister(u32 preg, bool do_load, bool only_lower)
OpArg& reg = m_guest_registers[preg];
bool was_dirty = reg.IsDirty();
reg.ResetLastUsed();
reg.SetDirty(true);
switch (reg.GetType())
{