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LLVM: implement STSWI, LSWI...

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Fix DIVD, DIVDU, DIVW, DIVWU, MULHW
Removed __adde_get_ca in ADDE, SUBFE
This commit is contained in:
Nekotekina 2017-06-23 00:45:55 +03:00 committed by Ivan
parent 155f13ed54
commit a29d7d3962
1 changed files with 87 additions and 23 deletions
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110
rpcs3/Emu/Cell/PPUTranslator.cpp
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@ -1710,7 +1710,6 @@ void PPUTranslator::SUBFIC(ppu_opcode_t op)
const auto result = m_ir->CreateSub(imm, a);
SetGpr(op.rd, result);
SetCarry(m_ir->CreateICmpULE(result, imm));
//SetCarry(Call(GetType<bool>(), m_pure_attr, "__adde_get_ca", m_ir->CreateNot(a), imm, m_ir->getTrue()));
}
void PPUTranslator::CMPLI(ppu_opcode_t op)
@ -1730,7 +1729,6 @@ void PPUTranslator::ADDIC(ppu_opcode_t op)
const auto result = m_ir->CreateAdd(a, imm);
SetGpr(op.rd, result);
SetCarry(m_ir->CreateICmpULT(result, imm));
//SetCarry(Call(GetType<bool>(), m_pure_attr, "__adde_get_ca", a, imm, m_ir->getFalse()));
if (op.main & 1) SetCrFieldSignedCmp(0, result, m_ir->getInt64(0));
}
@ -2285,7 +2283,6 @@ void PPUTranslator::SUBFC(ppu_opcode_t op)
const auto result = m_ir->CreateSub(b, a);
SetGpr(op.rd, result);
SetCarry(m_ir->CreateICmpULE(result, b));
//SetCarry(Call(GetType<bool>(), m_pure_attr, "__adde_get_ca", m_ir->CreateNot(a), b, m_ir->getTrue()));
if (op.rc) SetCrFieldSignedCmp(0, result, m_ir->getInt64(0));
if (op.oe) SetOverflow(Call(GetType<bool>(), m_pure_attr, "__subfc_get_ov", a, b));
}
@ -2297,7 +2294,6 @@ void PPUTranslator::ADDC(ppu_opcode_t op)
const auto result = m_ir->CreateAdd(a, b);
SetGpr(op.rd, result);
SetCarry(m_ir->CreateICmpULT(result, b));
//SetCarry(Call(GetType<bool>(), m_pure_attr, "__adde_get_ca", a, b, m_ir->getFalse()));
if (op.rc) SetCrFieldSignedCmp(0, result, m_ir->getInt64(0));
if (op.oe) SetOverflow(Call(GetType<bool>(), m_pure_attr, "__addc_get_ov", a, b));
}
@ -2487,7 +2483,7 @@ void PPUTranslator::MULHW(ppu_opcode_t op)
{
const auto a = SExt(GetGpr(op.ra, 32));
const auto b = SExt(GetGpr(op.rb, 32));
SetGpr(op.rd, m_ir->CreateLShr(m_ir->CreateMul(a, b), 32));
SetGpr(op.rd, m_ir->CreateAShr(m_ir->CreateMul(a, b), 32));
if (op.rc) SetCrField(0, GetUndef<bool>(), GetUndef<bool>(), GetUndef<bool>());
}
@ -2545,10 +2541,11 @@ void PPUTranslator::SUBFE(ppu_opcode_t op)
const auto a = m_ir->CreateNot(GetGpr(op.ra));
const auto b = GetGpr(op.rb);
const auto c = GetCarry();
const auto result = m_ir->CreateAdd(m_ir->CreateAdd(a, b), ZExt(c, GetType<u64>()));
SetGpr(op.rd, result);
SetCarry(Call(GetType<bool>(), m_pure_attr, "__adde_get_ca", a, b, c)); // TODO
if (op.rc) SetCrFieldSignedCmp(0, result, m_ir->getInt64(0));
const auto r1 = m_ir->CreateAdd(a, b);
const auto r2 = m_ir->CreateAdd(r1, ZExt(c, GetType<u64>()));
SetGpr(op.rd, r2);
SetCarry(m_ir->CreateOr(m_ir->CreateICmpULT(r1, a), m_ir->CreateICmpULT(r2, r1)));
if (op.rc) SetCrFieldSignedCmp(0, r2, m_ir->getInt64(0));
if (op.oe) SetOverflow(Call(GetType<bool>(), m_pure_attr, "__subfe_get_ov", a, b, c));
}
@ -2557,10 +2554,11 @@ void PPUTranslator::ADDE(ppu_opcode_t op)
const auto a = GetGpr(op.ra);
const auto b = GetGpr(op.rb);
const auto c = GetCarry();
const auto result = m_ir->CreateAdd(m_ir->CreateAdd(a, b), ZExt(c, GetType<u64>()));
SetGpr(op.rd, result);
SetCarry(Call(GetType<bool>(), m_pure_attr, "__adde_get_ca", a, b, c)); // TODO
if (op.rc) SetCrFieldSignedCmp(0, result, m_ir->getInt64(0));
const auto r1 = m_ir->CreateAdd(a, b);
const auto r2 = m_ir->CreateAdd(r1, ZExt(c, GetType<u64>()));
SetGpr(op.rd, r2);
SetCarry(m_ir->CreateOr(m_ir->CreateICmpULT(r1, a), m_ir->CreateICmpULT(r2, r1)));
if (op.rc) SetCrFieldSignedCmp(0, r2, m_ir->getInt64(0));
if (op.oe) SetOverflow(Call(GetType<bool>(), m_pure_attr, "__adde_get_ov", a, b, c));
}
@ -2645,7 +2643,6 @@ void PPUTranslator::ADDZE(ppu_opcode_t op)
const auto result = m_ir->CreateAdd(a, ZExt(c, GetType<u64>()));
SetGpr(op.rd, result);
SetCarry(m_ir->CreateICmpULT(result, a));
//SetCarry(Call(GetType<bool>(), m_pure_attr, "__adde_get_ca", a, m_ir->getInt64(0), c));
if (op.rc) SetCrFieldSignedCmp(0, result, m_ir->getInt64(0));
if (op.oe) SetOverflow(Call(GetType<bool>(), m_pure_attr, "__addze_get_ov", a, c));
}
@ -2657,7 +2654,6 @@ void PPUTranslator::SUBFZE(ppu_opcode_t op)
const auto result = m_ir->CreateAdd(a, ZExt(c, GetType<u64>()));
SetGpr(op.rd, result);
SetCarry(m_ir->CreateICmpULT(result, a));
//SetCarry(Call(GetType<bool>(), m_pure_attr, "__adde_get_ca", a, m_ir->getInt64(0), c));
if (op.rc) SetCrFieldSignedCmp(0, result, m_ir->getInt64(0));
if (op.oe) SetOverflow(Call(GetType<bool>(), m_pure_attr, "__subfze_get_ov", a, c));
}
@ -2687,7 +2683,6 @@ void PPUTranslator::SUBFME(ppu_opcode_t op)
const auto result = m_ir->CreateSub(a, ZExt(m_ir->CreateNot(c), GetType<u64>()));
SetGpr(op.rd, result);
SetCarry(m_ir->CreateOr(c, IsNotZero(a)));
//SetCarry(Call(GetType<bool>(), m_pure_attr, "__adde_get_ca", a, m_ir->getInt64(-1), c));
if (op.rc) SetCrFieldSignedCmp(0, result, m_ir->getInt64(0));
if (op.oe) SetOverflow(Call(GetType<bool>(), m_pure_attr, "__subfme_get_ov", a, c));
}
@ -2709,7 +2704,6 @@ void PPUTranslator::ADDME(ppu_opcode_t op)
const auto result = m_ir->CreateSub(a, ZExt(m_ir->CreateNot(c), GetType<u64>()));
SetGpr(op.rd, result);
SetCarry(m_ir->CreateOr(c, IsNotZero(a)));
//SetCarry(Call(GetType<bool>(), m_pure_attr, "__adde_get_ca", a, m_ir->getInt64(-1), c));
if (op.rc) SetCrFieldSignedCmp(0, result, m_ir->getInt64(0));
if (op.oe) SetOverflow(Call(GetType<bool>(), m_pure_attr, "__addme_get_ov", a, c));
}
@ -2907,7 +2901,7 @@ void PPUTranslator::DIVDU(ppu_opcode_t op)
const auto b = GetGpr(op.rb);
const auto o = IsZero(b);
const auto result = m_ir->CreateUDiv(a, m_ir->CreateSelect(o, m_ir->getInt64(-1), b));
SetGpr(op.rd, result);
SetGpr(op.rd, m_ir->CreateSelect(o, m_ir->getInt64(0), result));
if (op.rc) SetCrFieldSignedCmp(0, result, m_ir->getInt64(0));
if (op.oe) SetOverflow(o);
}
@ -2917,7 +2911,8 @@ void PPUTranslator::DIVWU(ppu_opcode_t op)
const auto a = GetGpr(op.ra, 32);
const auto b = GetGpr(op.rb, 32);
const auto o = IsZero(b);
SetGpr(op.rd, m_ir->CreateUDiv(a, m_ir->CreateSelect(o, m_ir->getInt32(0xffffffff), b)));
const auto result = m_ir->CreateUDiv(a, m_ir->CreateSelect(o, m_ir->getInt32(0xffffffff), b));
SetGpr(op.rd, m_ir->CreateSelect(o, m_ir->getInt32(0), result));
if (op.rc) SetCrField(0, GetUndef<bool>(), GetUndef<bool>(), GetUndef<bool>());
if (op.oe) SetOverflow(o);
}
@ -2967,7 +2962,7 @@ void PPUTranslator::DIVD(ppu_opcode_t op)
const auto b = GetGpr(op.rb);
const auto o = m_ir->CreateOr(IsZero(b), m_ir->CreateAnd(m_ir->CreateICmpEQ(a, m_ir->getInt64(1ull << 63)), IsOnes(b)));
const auto result = m_ir->CreateSDiv(a, m_ir->CreateSelect(o, m_ir->getInt64(1ull << 63), b));
SetGpr(op.rd, result);
SetGpr(op.rd, m_ir->CreateSelect(o, m_ir->getInt64(0), result));
if (op.rc) SetCrFieldSignedCmp(0, result, m_ir->getInt64(0));
if (op.oe) SetOverflow(o);
}
@ -2977,7 +2972,8 @@ void PPUTranslator::DIVW(ppu_opcode_t op)
const auto a = GetGpr(op.ra, 32);
const auto b = GetGpr(op.rb, 32);
const auto o = m_ir->CreateOr(IsZero(b), m_ir->CreateAnd(m_ir->CreateICmpEQ(a, m_ir->getInt32(1 << 31)), IsOnes(b)));
SetGpr(op.rd, m_ir->CreateSDiv(a, m_ir->CreateSelect(o, m_ir->getInt32(1 << 31), b)));
const auto result = m_ir->CreateSDiv(a, m_ir->CreateSelect(o, m_ir->getInt32(1 << 31), b));
SetGpr(op.rd, m_ir->CreateSelect(o, m_ir->getInt32(0), result));
if (op.rc) SetCrField(0, GetUndef<bool>(), GetUndef<bool>(), GetUndef<bool>());
if (op.oe) SetOverflow(o);
}
@ -3032,7 +3028,43 @@ void PPUTranslator::LVRX(ppu_opcode_t op)
void PPUTranslator::LSWI(ppu_opcode_t op)
{
Call(GetType<void>(), "__lswi", m_ir->getInt32(op.rd), m_ir->getInt32(op.rb), op.ra ? GetGpr(op.ra) : m_ir->getInt64(0));
Value* addr = op.ra ? GetGpr(op.ra) : m_ir->getInt64(0);
u32 index = op.rb ? op.rb : 32;
u32 reg = op.rd;
while (index)
{
if (index > 3)
{
SetGpr(reg, ReadMemory(addr, GetType<u32>()));
index -= 4;
if (index)
{
addr = m_ir->CreateAdd(addr, m_ir->getInt64(4));
}
}
else
{
Value* buf = nullptr;
u32 i = 3;
while (index)
{
const auto byte = m_ir->CreateShl(ZExt(ReadMemory(addr, GetType<u8>()), GetType<u32>()), i * 8);
buf = buf ? m_ir->CreateOr(buf, byte) : byte;
if (--index)
{
addr = m_ir->CreateAdd(addr, m_ir->getInt64(1));
}
}
SetGpr(reg, buf);
}
reg = (reg + 1) % 32;
}
}
void PPUTranslator::LFSUX(ppu_opcode_t op)
@ -3098,7 +3130,39 @@ void PPUTranslator::STFSUX(ppu_opcode_t op)
void PPUTranslator::STSWI(ppu_opcode_t op)
{
Call(GetType<void>(), "__stswi", m_ir->getInt32(op.rd), m_ir->getInt32(op.rb), op.ra ? GetGpr(op.ra) : m_ir->getInt64(0));
Value* addr = op.ra ? GetGpr(op.ra) : m_ir->getInt64(0);
u32 index = op.rb ? op.rb : 32;
u32 reg = op.rd;
while (index)
{
if (index > 3)
{
WriteMemory(GetGpr(reg, 32), addr);
index -= 4;
if (index)
{
addr = m_ir->CreateAdd(addr, m_ir->getInt64(4));
}
}
else
{
Value* buf = GetGpr(reg, 32);
while (index)
{
WriteMemory(m_ir->CreateLShr(buf, 24), addr);
if (--index)
{
buf = m_ir->CreateShl(buf, 8);
addr = m_ir->CreateAdd(addr, m_ir->getInt64(1));
}
}
}
reg = (reg + 1) % 32;
}
}
void PPUTranslator::STFDX(ppu_opcode_t op)