9.28.1 Options
as has following command-line options for the Renesas
(formerly Hitachi) / SuperH SH family.
     
--little- Generate little endian code.
     
 --big- Generate big endian code.
     
 --relax- Alter jump instructions for long displacements.
     
 --small- Align sections to 4 byte boundaries, not 16.
     
 --dsp- Enable sh-dsp insns, and disable sh3e / sh4 insns.
     
 --renesas- Disable optimization with section symbol for compatibility with
Renesas assembler.
     
 --allow-reg-prefix- Allow '$' as a register name prefix.
     
 --isa=sh4 | sh4a- Specify the sh4 or sh4a instruction set. 
 --isa=dsp- Enable sh-dsp insns, and disable sh3e / sh4 insns. 
 --isa=fp- Enable sh2e, sh3e, sh4, and sh4a insn sets. 
 --isa=all- Enable sh1, sh2, sh2e, sh3, sh3e, sh4, sh4a, and sh-dsp insn sets.
     
 -h-tick-hex- Support H'00 style hex constants in addition to 0x00 style.