This option specifies that the output generated by the assembler should
be marked as being encoded for a big-endian processor.
-EL
This option specifies that the output generated by the assembler should
be marked as being encoded for a little-endian processor.
-mabi=abi
Specify which ABI the source code uses. The recognized arguments
are: ilp32 and lp64, which decides the generated object
file in ELF32 and ELF64 format respectively. The default is lp64.