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irjit: Remove Vec4Scale/Vec4Dot aliasing in pass.

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Unknown W. Brackets 2023-08-28 20:37:40 -07:00
parent 96c90c19c6
commit 2ca638868c
1 changed files with 35 additions and 10 deletions
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45
Core/MIPS/IR/IRPassSimplify.cpp
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@ -1995,6 +1995,7 @@ bool ReduceVec4Flush(const IRWriter &in, IRWriter &out, const IROptions &opts) {
return false;
};
bool skip = false;
switch (inst.op) {
case IROp::SetConstF:
if (isVec4[inst.dest & ~3] && findAvailTempVec4()) {
@ -2077,30 +2078,54 @@ bool ReduceVec4Flush(const IRWriter &in, IRWriter &out, const IROptions &opts) {
case IROp::FSub:
case IROp::FMul:
case IROp::FDiv:
if (isVec4[inst.dest & ~3] && isVec4Dirty[inst.dest & ~3] && usedLaterAsVec4(inst.dest & ~3) && findAvailTempVec4()) {
u8 blendMask = 1 << (inst.dest & 3);
out.Write(inst.op, temp, inst.src1, inst.src2);
out.Write(IROp::Vec4Shuffle, temp, temp, 0);
out.Write(IROp::Vec4Blend, inst.dest & ~3, inst.dest & ~3, temp, blendMask);
isVec4Dirty[inst.dest & ~3] = true;
continue;
if (isVec4[inst.dest & ~3] && isVec4Dirty[inst.dest & ~3] && usedLaterAsVec4(inst.dest & ~3)) {
if (!overlapped(inst.dest & ~3, 4, inst.src1, 1, inst.src2, 1) && findAvailTempVec4()) {
u8 blendMask = 1 << (inst.dest & 3);
out.Write(inst.op, temp, inst.src1, inst.src2);
out.Write(IROp::Vec4Shuffle, temp, temp, 0);
out.Write(IROp::Vec4Blend, inst.dest & ~3, inst.dest & ~3, temp, blendMask);
updateVec4('F', inst.src1);
updateVec4('F', inst.src2);
isVec4Dirty[inst.dest & ~3] = true;
continue;
}
}
break;
case IROp::Vec4Dot:
if (overlapped(inst.dest, 1, inst.src1, 4, inst.src2, 4) && findAvailTempVec4()) {
out.Write(inst.op, temp, inst.src1, inst.src2, inst.constant);
out.Write(IROp::FMov, inst.dest, temp);
skip = true;
}
break;
case IROp::Vec4Scale:
if (overlapped(inst.src2, 1, inst.src1, 4, inst.dest, 4) && findAvailTempVec4()) {
out.Write(IROp::FMov, temp, inst.src2);
out.Write(inst.op, inst.dest, inst.src1, temp, inst.constant);
skip = true;
}
break;
default:
break;
}
bool downgrade = false;
if (updateVec4Dest(m->types[0], inst.dest, m->flags))
downgrade = true;
if (updateVec4(m->types[1], inst.src1))
downgrade = true;
if (updateVec4(m->types[2], inst.src2))
downgrade = true;
if (updateVec4Dest(m->types[0], inst.dest, m->flags))
downgrade = true;
if (downgrade) {
//WARN_LOG(JIT, "Vec4 downgrade by: %s", m->name);
}
out.Write(inst);
if (!skip)
out.Write(inst);
}
return logBlocks;
}