bool
StoreTypedArrayElementStaticPolicy::adjustInputs(TempAllocator &alloc, MInstruction *ins)
{
MStoreTypedArrayElementStatic *store = ins->toStoreTypedArrayElementStatic();
return ConvertToInt32Policy<0>::staticAdjustInputs(alloc, ins) &&
StoreUnboxedScalarPolicy::adjustValueInput(alloc, ins, store->accessType(), store->value(), 1);
}
void
CodeGeneratorX86::visitStoreTypedArrayElementStatic(LStoreTypedArrayElementStatic* ins)
{
MStoreTypedArrayElementStatic* mir = ins->mir();
Scalar::Type accessType = mir->accessType();
Register ptr = ToRegister(ins->ptr());
const LAllocation* value = ins->value();
canonicalizeIfDeterministic(accessType, value);
uint32_t offset = mir->offset();
MOZ_ASSERT_IF(mir->needsBoundsCheck(), offset == 0);
Label rejoin;
if (mir->needsBoundsCheck()) {
MOZ_ASSERT(offset == 0);
masm.cmpPtr(ptr, ImmWord(mir->length()));
masm.j(Assembler::AboveOrEqual, &rejoin);
}
Operand dstAddr(ptr, int32_t(mir->base().asValue()) + int32_t(offset));
switch (accessType) {
case Scalar::Int8:
case Scalar::Uint8Clamped:
case Scalar::Uint8:
masm.movbWithPatch(ToRegister(value), dstAddr);
break;
case Scalar::Int16:
case Scalar::Uint16:
masm.movwWithPatch(ToRegister(value), dstAddr);
break;
case Scalar::Int32:
case Scalar::Uint32:
masm.movlWithPatch(ToRegister(value), dstAddr);
break;
case Scalar::Float32:
masm.vmovssWithPatch(ToFloatRegister(value), dstAddr);
break;
case Scalar::Float64:
masm.vmovsdWithPatch(ToFloatRegister(value), dstAddr);
break;
default:
MOZ_CRASH("unexpected type");
}
if (rejoin.used())
masm.bind(&rejoin);
}
void
CodeGeneratorX86::visitStoreTypedArrayElementStatic(LStoreTypedArrayElementStatic* ins)
{
MStoreTypedArrayElementStatic* mir = ins->mir();
Scalar::Type accessType = mir->accessType();
Register ptr = ToRegister(ins->ptr());
const LAllocation* value = ins->value();
uint32_t offset = mir->offset();
if (!mir->needsBoundsCheck()) {
Operand dstAddr(ptr, int32_t(mir->base().asValue()) + int32_t(offset));
store(accessType, value, dstAddr);
return;
}
MOZ_ASSERT(offset == 0);
masm.cmpPtr(ptr, ImmWord(mir->length()));
Label rejoin;
masm.j(Assembler::AboveOrEqual, &rejoin);
Operand dstAddr(ptr, int32_t(mir->base().asValue()));
store(accessType, value, dstAddr);
masm.bind(&rejoin);
}