void
CodeGeneratorX64::visitWasmTruncateToInt64(LWasmTruncateToInt64* lir)
{
FloatRegister input = ToFloatRegister(lir->input());
Register64 output = ToOutRegister64(lir);
MWasmTruncateToInt64* mir = lir->mir();
MIRType inputType = mir->input()->type();
MOZ_ASSERT(inputType == MIRType::Double || inputType == MIRType::Float32);
auto* ool = new(alloc()) OutOfLineWasmTruncateCheck(mir, input);
addOutOfLineCode(ool, mir);
FloatRegister temp = mir->isUnsigned() ? ToFloatRegister(lir->temp()) : InvalidFloatReg;
Label* oolEntry = ool->entry();
Label* oolRejoin = ool->rejoin();
if (inputType == MIRType::Double) {
if (mir->isUnsigned())
masm.wasmTruncateDoubleToUInt64(input, output, oolEntry, oolRejoin, temp);
else
masm.wasmTruncateDoubleToInt64(input, output, oolEntry, oolRejoin, temp);
} else {
if (mir->isUnsigned())
masm.wasmTruncateFloat32ToUInt64(input, output, oolEntry, oolRejoin, temp);
else
masm.wasmTruncateFloat32ToInt64(input, output, oolEntry, oolRejoin, temp);
}
}
void
CodeGeneratorX86::visitWasmTruncateToInt64(LWasmTruncateToInt64* lir)
{
FloatRegister input = ToFloatRegister(lir->input());
Register64 output = ToOutRegister64(lir);
MWasmTruncateToInt64* mir = lir->mir();
FloatRegister floatTemp = ToFloatRegister(lir->temp());
Label fail, convert;
MOZ_ASSERT (mir->input()->type() == MIRType::Double || mir->input()->type() == MIRType::Float32);
auto* ool = new(alloc()) OutOfLineWasmTruncateCheck(mir, input);
addOutOfLineCode(ool, mir);
if (mir->input()->type() == MIRType::Float32) {
if (mir->isUnsigned())
masm.wasmTruncateFloat32ToUInt64(input, output, ool->entry(), ool->rejoin(), floatTemp);
else
masm.wasmTruncateFloat32ToInt64(input, output, ool->entry(), ool->rejoin(), floatTemp);
} else {
if (mir->isUnsigned())
masm.wasmTruncateDoubleToUInt64(input, output, ool->entry(), ool->rejoin(), floatTemp);
else
masm.wasmTruncateDoubleToInt64(input, output, ool->entry(), ool->rejoin(), floatTemp);
}
}
