9.1.1 Options

-EB

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.