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recVtlb: separate dispatcher generation into a dedicated function

This commit is contained in:
Gregory Hainaut 2016-01-20 09:23:32 +01:00
parent 8a9a56707c
commit d78f887d1c
1 changed files with 34 additions and 27 deletions
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61
pcsx2/x86/ix86-32/recVTLB.cpp
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@ -285,6 +285,39 @@ static void DynGen_IndirectDispatch( int mode, int bits, bool sign = false )
xJS( GetIndirectDispatcherPtr( mode, szidx, sign ) ); xJS( GetIndirectDispatcherPtr( mode, szidx, sign ) );
} }
// ------------------------------------------------------------------------
// Generates the various instances of the indirect dispatchers
static void DynGen_IndirectTlbDispatcher( int mode, int bits, bool sign )
{
xMOVZX( eax, al );
xSUB( ecx, 0x80000000 );
xSUB( ecx, eax );
// jump to the indirect handler, which is a __fastcall C++ function.
// [ecx is address, edx is data]
xFastCall(ptr32[(eax*4) + vtlbdata.RWFT[bits][mode]], ecx, edx);
if (!mode)
{
if (bits == 0)
{
if (sign)
xMOVSX(eax, al);
else
xMOVZX(eax, al);
}
else if (bits == 1)
{
if (sign)
xMOVSX(eax, ax);
else
xMOVZX(eax, ax);
}
}
xJMP( ebx );
}
// One-time initialization procedure. Multiple subsequent calls during the lifespan of the // One-time initialization procedure. Multiple subsequent calls during the lifespan of the
// process will be ignored. // process will be ignored.
// //
@ -308,33 +341,7 @@ void vtlb_dynarec_init()
{ {
xSetPtr( GetIndirectDispatcherPtr( mode, bits, !!sign ) ); xSetPtr( GetIndirectDispatcherPtr( mode, bits, !!sign ) );
xMOVZX( eax, al ); DynGen_IndirectTlbDispatcher( mode, bits, sign );
xSUB( ecx, 0x80000000 );
xSUB( ecx, eax );
// jump to the indirect handler, which is a __fastcall C++ function.
// [ecx is address, edx is data]
xFastCall(ptr32[(eax*4) + vtlbdata.RWFT[bits][mode]], ecx, edx);
if (!mode)
{
if (bits == 0)
{
if (sign)
xMOVSX(eax, al);
else
xMOVZX(eax, al);
}
else if (bits == 1)
{
if (sign)
xMOVSX(eax, ax);
else
xMOVZX(eax, ax);
}
}
xJMP( ebx );
} }
} }
} }