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Fixed a bug from an earlier vtlb commit that caused some slowdown when INTC_HACK was disabled. Turns out games spinning on INTC_STAT don't do it in a way that allows the recompiler to propagate consts. 

git-svn-id: http://pcsx2.googlecode.com/svn/trunk@889 96395faa-99c1-11dd-bbfe-3dabce05a288
This commit is contained in:
Jake.Stine 2009-04-02 22:22:02 +00:00
parent e39dec6ddb
commit 3b570f8a2b
1 changed files with 12 additions and 6 deletions
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18
pcsx2/HwRead.cpp
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@ -212,14 +212,20 @@ static __forceinline mem32_t __hwRead32_page_0F( u32 mem, bool intchack )
mem &= 0xffff;
// INTC_STAT shortcut for heavy spinning.
// Performance Note: Visual Studio handles this best if we just manually check for it here,
// outside the context of the switch statement below. This is likely fixed by PGO also,
// but it's an easy enough conditional to account for anyways.
static const uint ics = INTC_STAT & 0xffff;
if( mem == ics ) // INTC_STAT
{
if( intchack ) IntCHackCheck();
return *((u32*)&PS2MEM_HW[ics]);
}
switch( mem )
{
case 0xf000:
if( intchack ) IntCHackCheck();
// This one is checked alot, so leave it commented out unless you love 600 meg logfiles.
//HW_LOG("INTC_STAT Read 32bit %x", psHu32(0xf010));
break;
case 0xf010:
HW_LOG("INTC_MASK Read32, value=0x%x", psHu32(INTC_MASK));
break;