bool
EagerSimdUnbox(MIRGenerator* mir, MIRGraph& graph)
{
const JitCompartment* jitCompartment = GetJitContext()->compartment->jitCompartment();
for (PostorderIterator block = graph.poBegin(); block != graph.poEnd(); block++) {
if (mir->shouldCancel("Eager Simd Unbox"))
return false;
for (MInstructionReverseIterator ins = block->rbegin(); ins != block->rend(); ins++) {
if (!ins->isSimdUnbox())
continue;
MSimdUnbox* unbox = ins->toSimdUnbox();
if (!unbox->input()->isPhi())
continue;
MPhi* phi = unbox->input()->toPhi();
if (!CanUnboxSimdPhi(jitCompartment, phi, unbox->simdType()))
continue;
UnboxSimdPhi(jitCompartment, graph, phi, unbox->simdType());
}
}
return true;
}
static bool
MaybeSimdUnbox(TempAllocator &alloc, MInstruction *ins, MIRType type, unsigned op)
{
MOZ_ASSERT(IsSimdType(type));
MDefinition *in = ins->getOperand(op);
if (in->type() == type)
return true;
MSimdUnbox *replace = MSimdUnbox::New(alloc, in, type);
ins->block()->insertBefore(ins, replace);
ins->replaceOperand(op, replace);
return replace->typePolicy()->adjustInputs(alloc, replace);
}
bool
SimdSameAsReturnedTypePolicy<Op>::staticAdjustInputs(TempAllocator &alloc, MInstruction *ins)
{
MIRType type = ins->type();
MOZ_ASSERT(IsSimdType(type));
MDefinition *in = ins->getOperand(Op);
if (in->type() == type)
return true;
MSimdUnbox *replace = MSimdUnbox::New(alloc, in, type);
ins->block()->insertBefore(ins, replace);
ins->replaceOperand(Op, replace);
return replace->typePolicy()->adjustInputs(alloc, replace);
}
