bool Jit::JitSafeMem::PrepareWrite(OpArg &dest, int size)
{
size_ = size;
// If it's an immediate, we can do the write if valid.
if (iaddr_ != (u32) -1)
{
if (ImmValid())
{
MemCheckImm(MEM_WRITE);
#ifdef _M_IX86
dest = M(Memory::base + (iaddr_ & Memory::MEMVIEW32_MASK & alignMask_));
#else
dest = MDisp(RBX, iaddr_ & alignMask_);
#endif
return true;
}
else
return false;
}
// Otherwise, we always can do the write (conditionally.)
else
dest = PrepareMemoryOpArg(MEM_WRITE);
return true;
}
bool Jit::JitSafeMem::PrepareRead(OpArg &src)
{
if (iaddr_ != (u32) -1)
{
if (Memory::IsValidAddress(iaddr_))
{
#ifdef _M_IX86
src = M(Memory::base + (iaddr_ & Memory::MEMVIEW32_MASK));
#else
src = MDisp(RBX, iaddr_);
#endif
return true;
}
else
return false;
}
else
src = PrepareMemoryOpArg();
return true;
}
bool Jit::JitSafeMem::PrepareWrite(OpArg &dest)
{
// If it's an immediate, we can do the write if valid.
if (iaddr_ != (u32) -1)
{
if (Memory::IsValidAddress(iaddr_))
{
#ifdef _M_IX86
dest = M(Memory::base + (iaddr_ & Memory::MEMVIEW32_MASK));
#else
dest = MDisp(RBX, iaddr_);
#endif
return true;
}
else
return false;
}
// Otherwise, we always can do the write (conditionally.)
else
dest = PrepareMemoryOpArg();
return true;
}
bool Jit::JitSafeMem::PrepareRead(OpArg &src, int size)
{
size_ = size;
if (iaddr_ != (u32) -1)
{
if (ImmValid())
{
MemCheckImm(MEM_READ);
#ifdef _M_IX86
src = M(Memory::base + (iaddr_ & Memory::MEMVIEW32_MASK & alignMask_));
#else
src = MDisp(RBX, iaddr_ & alignMask_);
#endif
return true;
}
else
return false;
}
else
src = PrepareMemoryOpArg(MEM_READ);
return true;
}
