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Add support for EATANxy and EATANxz.

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This commit is contained in:
Jean-Philip Desjardins 2016-05-25 22:26:21 -04:00
parent 6a7bf61fba
commit 8c4ecaac50
3 changed files with 102 additions and 6 deletions
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3
Source/ee/MA_VU.h
View File

@ -255,6 +255,7 @@ private:
static void ReflOpAffWrVi1(VUShared::VUINSTRUCTION*, CMIPS*, uint32, uint32, VUShared::OPERANDSET&);
void BuildStatusInIT();
void GenerateEATAN();
//General
void LQ();
@ -307,6 +308,7 @@ private:
void XTOP();
void XGKICK();
void ESADD();
void EATANxy();
void ESQRT();
void ESIN();
@ -317,6 +319,7 @@ private:
void MFIR();
void RGET();
void XITOP();
void EATANxz();
void ERSQRT();
//Vector2

97
Source/ee/MA_VU_Lower.cpp
View File

@ -159,6 +159,63 @@ void CMA_VU::CLower::BuildStatusInIT()
//TODO: Check other flags
}
void CMA_VU::CLower::GenerateEATAN()
{
static const uint32 pi4 = 0x3F490FDB;
const unsigned int seriesLength = 8;
static const uint32 seriesConstants[seriesLength] =
{
0x3F7FFFF5,
0xBEAAA61C,
0x3E4C40A6,
0xBE0E6C63,
0x3DC577DF,
0xBD6501C4,
0x3CB31652,
0xBB84D7E7,
};
static const unsigned int seriesExponents[seriesLength] =
{
1,
3,
5,
7,
9,
11,
13,
15
};
for(unsigned int i = 0; i < seriesLength; i++)
{
unsigned int exponent = seriesExponents[i];
float constant = *reinterpret_cast<const float*>(&seriesConstants[i]);
m_codeGen->FP_PushSingle(offsetof(CMIPS, m_State.nCOP2T));
for(unsigned int j = 0; j < exponent - 1; j++)
{
m_codeGen->FP_PushSingle(offsetof(CMIPS, m_State.nCOP2T));
m_codeGen->FP_Mul();
}
m_codeGen->FP_PushCst(constant);
m_codeGen->FP_Mul();
if(i != 0)
{
m_codeGen->FP_Add();
}
}
{
float constant = *reinterpret_cast<const float*>(&pi4);
m_codeGen->FP_PushCst(constant);
m_codeGen->FP_Add();
}
m_codeGen->FP_PullSingle(offsetof(CMIPS, m_State.nCOP2P));
}
//////////////////////////////////////////////////
//General Instructions
//////////////////////////////////////////////////
@ -699,6 +756,24 @@ void CMA_VU::CLower::ESADD()
m_codeGen->FP_PullSingle(offsetof(CMIPS, m_State.nCOP2P));
}
//1D
void CMA_VU::CLower::EATANxy()
{
//Compute t = (y - x) / (y + x)
m_codeGen->FP_PushSingle(offsetof(CMIPS, m_State.nCOP2[m_nIS].nV[1]));
m_codeGen->FP_PushSingle(offsetof(CMIPS, m_State.nCOP2[m_nIS].nV[0]));
m_codeGen->FP_Sub();
m_codeGen->FP_PushSingle(offsetof(CMIPS, m_State.nCOP2[m_nIS].nV[1]));
m_codeGen->FP_PushSingle(offsetof(CMIPS, m_State.nCOP2[m_nIS].nV[0]));
m_codeGen->FP_Add();
m_codeGen->FP_Div();
m_codeGen->FP_PullSingle(offsetof(CMIPS, m_State.nCOP2T));
GenerateEATAN();
}
//1E
void CMA_VU::CLower::ESQRT()
{
@ -799,6 +874,24 @@ void CMA_VU::CLower::XITOP()
m_codeGen->PullRel(offsetof(CMIPS, m_State.nCOP2VI[m_nIT]));
}
//1D
void CMA_VU::CLower::EATANxz()
{
//Compute t = (z - x) / (z + x)
m_codeGen->FP_PushSingle(offsetof(CMIPS, m_State.nCOP2[m_nIS].nV[2]));
m_codeGen->FP_PushSingle(offsetof(CMIPS, m_State.nCOP2[m_nIS].nV[0]));
m_codeGen->FP_Sub();
m_codeGen->FP_PushSingle(offsetof(CMIPS, m_State.nCOP2[m_nIS].nV[2]));
m_codeGen->FP_PushSingle(offsetof(CMIPS, m_State.nCOP2[m_nIS].nV[0]));
m_codeGen->FP_Add();
m_codeGen->FP_Div();
m_codeGen->FP_PullSingle(offsetof(CMIPS, m_State.nCOP2T));
GenerateEATAN();
}
//1E
void CMA_VU::CLower::ERSQRT()
{
@ -1019,7 +1112,7 @@ CMA_VU::CLower::InstructionFuncConstant CMA_VU::CLower::m_pOpVector0[0x20] =
//0x10
&CMA_VU::CLower::RNEXT, &CMA_VU::CLower::Illegal, &CMA_VU::CLower::Illegal, &CMA_VU::CLower::Illegal, &CMA_VU::CLower::Illegal, &CMA_VU::CLower::Illegal, &CMA_VU::CLower::Illegal, &CMA_VU::CLower::Illegal,
//0x18
&CMA_VU::CLower::Illegal, &CMA_VU::CLower::MFP, &CMA_VU::CLower::XTOP, &CMA_VU::CLower::XGKICK, &CMA_VU::CLower::ESADD, &CMA_VU::CLower::Illegal, &CMA_VU::CLower::ESQRT, &CMA_VU::CLower::ESIN,
&CMA_VU::CLower::Illegal, &CMA_VU::CLower::MFP, &CMA_VU::CLower::XTOP, &CMA_VU::CLower::XGKICK, &CMA_VU::CLower::ESADD, &CMA_VU::CLower::EATANxy, &CMA_VU::CLower::ESQRT, &CMA_VU::CLower::ESIN,
};
CMA_VU::CLower::InstructionFuncConstant CMA_VU::CLower::m_pOpVector1[0x20] =
@ -1031,7 +1124,7 @@ CMA_VU::CLower::InstructionFuncConstant CMA_VU::CLower::m_pOpVector1[0x20] =
//0x10
&CMA_VU::CLower::RGET, &CMA_VU::CLower::Illegal, &CMA_VU::CLower::Illegal, &CMA_VU::CLower::Illegal, &CMA_VU::CLower::Illegal, &CMA_VU::CLower::Illegal, &CMA_VU::CLower::Illegal, &CMA_VU::CLower::Illegal,
//0x18
&CMA_VU::CLower::Illegal, &CMA_VU::CLower::Illegal, &CMA_VU::CLower::XITOP, &CMA_VU::CLower::Illegal, &CMA_VU::CLower::Illegal, &CMA_VU::CLower::Illegal, &CMA_VU::CLower::ERSQRT, &CMA_VU::CLower::Illegal,
&CMA_VU::CLower::Illegal, &CMA_VU::CLower::Illegal, &CMA_VU::CLower::XITOP, &CMA_VU::CLower::Illegal, &CMA_VU::CLower::Illegal, &CMA_VU::CLower::EATANxz, &CMA_VU::CLower::ERSQRT, &CMA_VU::CLower::Illegal,
};
CMA_VU::CLower::InstructionFuncConstant CMA_VU::CLower::m_pOpVector2[0x20] =

8
Source/ee/MA_VU_LowerReflection.cpp
View File

@ -575,7 +575,7 @@ INSTRUCTION CMA_VU::CLower::m_cReflVX0[32] =
{ "XTOP", NULL, CopyMnemonic, ReflOpIt, NULL, NULL },
{ "XGKICK", NULL, CopyMnemonic, ReflOpIs, NULL, NULL },
{ "ESADD", NULL, CopyMnemonic, ReflOpPFs, NULL, NULL },
{ NULL, NULL, NULL, NULL, NULL, NULL },
{ "EATANxy", NULL, CopyMnemonic, ReflOpPFs, NULL, NULL },
{ "ESQRT", NULL, CopyMnemonic, ReflOpPFsf, NULL, NULL },
{ "ESIN", NULL, CopyMnemonic, ReflOpPFsf, NULL, NULL },
};
@ -615,7 +615,7 @@ INSTRUCTION CMA_VU::CLower::m_cReflVX1[32] =
{ "XITOP", NULL, CopyMnemonic, ReflOpIt, NULL, NULL },
{ NULL, NULL, NULL, NULL, NULL, NULL },
{ NULL, NULL, NULL, NULL, NULL, NULL },
{ NULL, NULL, NULL, NULL, NULL, NULL },
{ "EATANxz", NULL, CopyMnemonic, ReflOpPFs, NULL, NULL },
{ "ERSQRT", NULL, CopyMnemonic, ReflOpPFsf, NULL, NULL },
{ NULL, NULL, NULL, NULL, NULL, NULL },
};
@ -959,7 +959,7 @@ VUINSTRUCTION CMA_VU::CLower::m_cVuReflVX0[32] =
{ "XTOP", NULL, ReflOpAffWrIt },
{ "XGKICK", NULL, ReflOpAffRdIs },
{ "ESADD", NULL, ReflOpAffWrPRdFs },
{ NULL, NULL, NULL },
{ "EATANxy", NULL, ReflOpAffWrPRdFs },
{ "ESQRT", NULL, ReflOpAffWrPRdFs },
{ "ESIN", NULL, ReflOpAffWrPRdFs },
};
@ -999,7 +999,7 @@ VUINSTRUCTION CMA_VU::CLower::m_cVuReflVX1[32] =
{ "XITOP", NULL, ReflOpAffWrIt },
{ NULL, NULL, NULL },
{ NULL, NULL, NULL },
{ NULL, NULL, NULL },
{ "EATANxz", NULL, ReflOpAffWrPRdFs },
{ "ERSQRT", NULL, NULL },
{ NULL, NULL, NULL },
};