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#### 9.39.1 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.

`--fdpic`

  Generate an FDPIC object file.

`--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.