The Freescale XGATE version of as has a few machine
dependent options.
-mshort ¶This option controls the ABI and indicates to use a 16-bit integer ABI. It has no effect on the assembled instructions. This is the default.
-mlong ¶This option controls the ABI and indicates to use a 32-bit integer ABI.
-mshort-double ¶This option controls the ABI and indicates to use a 32-bit float ABI. This is the default.
-mlong-double ¶This option controls the ABI and indicates to use a 64-bit float ABI.
--print-insn-syntax ¶You can use the ‘--print-insn-syntax’ option to obtain the syntax description of the instruction when an error is detected.
--print-opcodes ¶The ‘--print-opcodes’ option prints the list of all the
instructions with their syntax. Once the list is printed
as exits.