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ppu: improve lvebx/lvehx/lvewx instructions

This commit is contained in:
scribam 2018-09-10 20:18:05 +02:00 committed by Ivan
parent 635ecbeb90
commit f294729b28
2 changed files with 8 additions and 19 deletions
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12
rpcs3/Emu/Cell/PPUInterpreter.cpp
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@ -3176,9 +3176,7 @@ bool ppu_interpreter::LVSL(ppu_thread& ppu, ppu_opcode_t op)
bool ppu_interpreter::LVEBX(ppu_thread& ppu, ppu_opcode_t op)
{
const u64 addr = op.ra ? ppu.gpr[op.ra] + ppu.gpr[op.rb] : ppu.gpr[op.rb];
ppu.vr[op.vd]._u8[15 - (addr & 0xf)] = vm::read8(vm::cast(addr, HERE));
return true;
return LVX(ppu, op);
}
bool ppu_interpreter::SUBFC(ppu_thread& ppu, ppu_opcode_t op)
@ -3317,9 +3315,7 @@ bool ppu_interpreter::LVSR(ppu_thread& ppu, ppu_opcode_t op)
bool ppu_interpreter::LVEHX(ppu_thread& ppu, ppu_opcode_t op)
{
const u64 addr = (op.ra ? ppu.gpr[op.ra] + ppu.gpr[op.rb] : ppu.gpr[op.rb]) & ~1ULL;
ppu.vr[op.vd]._u16[7 - ((addr >> 1) & 0x7)] = vm::read16(vm::cast(addr, HERE));
return true;
return LVX(ppu, op);
}
bool ppu_interpreter::SUBF(ppu_thread& ppu, ppu_opcode_t op)
@ -3386,9 +3382,7 @@ bool ppu_interpreter::TD(ppu_thread& ppu, ppu_opcode_t op)
bool ppu_interpreter::LVEWX(ppu_thread& ppu, ppu_opcode_t op)
{
const u64 addr = (op.ra ? ppu.gpr[op.ra] + ppu.gpr[op.rb] : ppu.gpr[op.rb]) & ~3ULL;
ppu.vr[op.vd]._u32[3 - ((addr >> 2) & 0x3)] = vm::read32(vm::cast(addr, HERE));
return true;
return LVX(ppu, op);
}
bool ppu_interpreter::MULHD(ppu_thread& ppu, ppu_opcode_t op)

15
rpcs3/Emu/Cell/PPUTranslator.cpp
View File

@ -2269,9 +2269,7 @@ void PPUTranslator::LVSL(ppu_opcode_t op)
void PPUTranslator::LVEBX(ppu_opcode_t op)
{
const auto addr = op.ra ? m_ir->CreateAdd(GetGpr(op.ra), GetGpr(op.rb)) : GetGpr(op.rb);
const auto pos = m_ir->CreateXor(m_ir->CreateAnd(addr, 15), m_is_be ? 0 : 15);
SetVr(op.vd, m_ir->CreateInsertElement(ConstantVector::getSplat(16, m_ir->getInt8(0)), ReadMemory(addr, GetType<u8>()), pos));
return LVX(op);
}
void PPUTranslator::SUBFC(ppu_opcode_t op)
@ -2427,9 +2425,7 @@ void PPUTranslator::LVSR(ppu_opcode_t op)
void PPUTranslator::LVEHX(ppu_opcode_t op)
{
const auto addr = m_ir->CreateAnd(op.ra ? m_ir->CreateAdd(GetGpr(op.ra), GetGpr(op.rb)) : GetGpr(op.rb), -2);
const auto pos = m_ir->CreateLShr(m_ir->CreateXor(m_ir->CreateAnd(addr, 15), m_is_be ? 0 : 15), 1);
SetVr(op.vd, m_ir->CreateInsertElement(ConstantVector::getSplat(8, m_ir->getInt16(0)), ReadMemory(addr, GetType<u16>(), true, 2), pos));
return LVX(op);
}
void PPUTranslator::SUBF(ppu_opcode_t op)
@ -2482,9 +2478,7 @@ void PPUTranslator::TD(ppu_opcode_t op)
void PPUTranslator::LVEWX(ppu_opcode_t op)
{
const auto addr = m_ir->CreateAnd(op.ra ? m_ir->CreateAdd(GetGpr(op.ra), GetGpr(op.rb)) : GetGpr(op.rb), -4);
const auto pos = m_ir->CreateLShr(m_ir->CreateXor(m_ir->CreateAnd(addr, 15), m_is_be ? 0 : 15), 2);
SetVr(op.vd, m_ir->CreateInsertElement(ConstantVector::getSplat(4, m_ir->getInt32(0)), ReadMemory(addr, GetType<u32>(), true, 4), pos));
return LVX(op);
}
void PPUTranslator::MULHD(ppu_opcode_t op)
@ -2520,7 +2514,8 @@ void PPUTranslator::LBZX(ppu_opcode_t op)
void PPUTranslator::LVX(ppu_opcode_t op)
{
const auto data = ReadMemory(m_ir->CreateAnd(op.ra ? m_ir->CreateAdd(GetGpr(op.ra), GetGpr(op.rb)) : GetGpr(op.rb), -16), GetType<u8[16]>(), m_is_be, 16);
const auto addr = m_ir->CreateAnd(op.ra ? m_ir->CreateAdd(GetGpr(op.ra), GetGpr(op.rb)) : GetGpr(op.rb), ~0xfull);
const auto data = ReadMemory(addr, GetType<u8[16]>(), m_is_be, 16);
SetVr(op.vd, m_is_be ? data : Shuffle(data, nullptr, { 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 }));
}