You can pass options to the assembler.
option as an option to the assembler. If
contains commas, it is split into multiple options at the commas.
option as an option to the assembler. You can use this to
supply system-specific assembler options that GCC does not
If you want to pass an option that takes an argument, you must use
-Xassembler twice, once for the option and once for the argument.