RegCache: make state clear optional on flushes

This commit is contained in:
degasus 2014-06-02 14:21:40 +02:00
parent 38c3812a60
commit 0cd9eea99e
2 changed files with 18 additions and 18 deletions

View File

@ -255,7 +255,7 @@ void RegCache::BindToRegister(int i, bool doLoad, bool makeDirty)
}
}
void RegCache::StoreFromRegister(int i)
void RegCache::StoreFromRegister(int i, bool clearState)
{
if (regs[i].away)
{
@ -263,10 +263,13 @@ void RegCache::StoreFromRegister(int i)
if (regs[i].location.IsSimpleReg())
{
X64Reg xr = RX(i);
xregs[xr].free = true;
xregs[xr].ppcReg = -1;
doStore = xregs[xr].dirty;
xregs[xr].dirty = false;
if(clearState)
{
xregs[xr].free = true;
xregs[xr].ppcReg = -1;
xregs[xr].dirty = false;
}
}
else
{
@ -276,8 +279,11 @@ void RegCache::StoreFromRegister(int i)
OpArg newLoc = GetDefaultLocation(i);
if (doStore)
StoreRegister(i, newLoc);
regs[i].location = newLoc;
regs[i].away = false;
if(clearState)
{
regs[i].location = newLoc;
regs[i].away = false;
}
}
}
@ -305,7 +311,7 @@ void FPURegCache::StoreRegister(int preg, OpArg newLoc)
emit->MOVAPD(newLoc, regs[preg].location.GetSimpleReg());
}
void RegCache::Flush()
void RegCache::Flush(bool clearState)
{
for (int i = 0; i < (int)xregs.size(); i++)
{
@ -321,15 +327,9 @@ void RegCache::Flush()
}
if (regs[i].away)
{
if (regs[i].location.IsSimpleReg())
if (regs[i].location.IsSimpleReg() || regs[i].location.IsImm())
{
X64Reg xr = RX(i);
StoreFromRegister(i);
xregs[xr].dirty = false;
}
else if (regs[i].location.IsImm())
{
StoreFromRegister(i);
StoreFromRegister(i, clearState);
}
else
{

View File

@ -63,15 +63,15 @@ public:
FlushR(reg1); FlushR(reg2);
LockX(reg1); LockX(reg2);
}
virtual void Flush();
virtual void Flush(PPCAnalyst::CodeOp *op) {Flush();}
void Flush(bool clearState = true);
void Flush(PPCAnalyst::CodeOp *op) {Flush();}
int SanityCheck() const;
void KillImmediate(int preg, bool doLoad, bool makeDirty);
//TODO - instead of doload, use "read", "write"
//read only will not set dirty flag
void BindToRegister(int preg, bool doLoad = true, bool makeDirty = true);
void StoreFromRegister(int preg);
void StoreFromRegister(int preg, bool clearState = true);
virtual void StoreRegister(int preg, OpArg newLoc) = 0;
virtual void LoadRegister(int preg, X64Reg newLoc) = 0;