Bit-Fields: LSB or MSB first?

Hi all,

I’ve been reading the API and reference on OpenCL and one thing I cannot figure out for the life of me is that whether the specifications for the bit-fields are Least Significant Bit or Most Significant Bit first as listed from top to bottom.

For example: Page 35 of


If only FP_DENORM is enabled, is it 000001 or 100000?

Does anyone know which is the case?

Take a look at the header file to be sure…