* config/tc-arm.c (it_fsm_post_encode): New forward declaration.
(set_it_insn_type_nonvoid): New macro.
(emit_thumb32_expr): New function.
(thumb_insn_size): New function.
(emit_insn): New function.
(s_arm_elf_inst): New function.
(md_pseudo_table): New pseudo-opcode entries added.
* doc/c-arm.texi: New directive added.
* gas/arm/inst-po.d: New testcase.
* gas/arm/inst-po.s: New file.
* gas/arm/inst-po-2.d: New testcase.
* gas/arm/inst-po-2.s: New file.
* gas/arm/inst-po-2.l: New file.
* gas/arm/inst-po-3.d: New testcase.
* gas/arm/inst-po-3.s: New file.
* gas/arm/inst-po-be.d: New testcase.