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DSPLLE - small idleskip improvment for zelda

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@5248 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
Marko Pusljar 2010-03-28 17:10:36 +00:00
parent 4fb21aa137
commit 6bcae13ff8
5 changed files with 35 additions and 30 deletions
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9
Source/Core/DSPCore/Src/DSPIntCCUtil.cpp
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@ -61,7 +61,7 @@ void Update_SR_Register64(s64 _Value, bool carry, bool overflow)
g_dsp.r[DSP_REG_SR] |= SR_OVER_S32;
}
// 0x20 - Checks if top bits of m are equal, what is it good for?
// 0x20 - Checks if top bits of m are equal
if (((_Value & 0xc0000000) == 0) || ((_Value & 0xc0000000) == 0xc0000000))
{
g_dsp.r[DSP_REG_SR] |= SR_TOP2BITS;
@ -104,7 +104,7 @@ void Update_SR_Register16(s16 _Value, bool carry, bool overflow, bool overS32)
g_dsp.r[DSP_REG_SR] |= SR_OVER_S32;
}
// 0x20 - Checks if top bits of m are equal, what is it good for?
// 0x20 - Checks if top bits of m are equal
if ((((u16)_Value >> 14) == 0) || (((u16)_Value >> 14) == 3))
{
g_dsp.r[DSP_REG_SR] |= SR_TOP2BITS;
@ -152,7 +152,7 @@ inline bool isConditionA() {
return (((g_dsp.r[DSP_REG_SR] & SR_OVER_S32) || (g_dsp.r[DSP_REG_SR] & SR_TOP2BITS)) && !(g_dsp.r[DSP_REG_SR] & SR_ARITH_ZERO)) ? true : false;
}
//see gdsp_registers.h for flags
//see DSPCore.h for flags
bool CheckCondition(u8 _Condition)
{
switch (_Condition & 0xf)
@ -190,8 +190,7 @@ bool CheckCondition(u8 _Condition)
case 0xf: // Empty - always true.
return true;
default:
ERROR_LOG(DSPLLE, "Unknown condition check: 0x%04x", _Condition & 0xf);
return false;
return true;
}
}