[PATCH 2/6] MIPS/GAS: Split Loongson EXT Instructions from loongson3a

[Nick Clifton]

Hi Paul,

> 2018-08-04  Chenghua Xu  <paul.hua.gm@gmail.com>
> 
> bfd/
>         * elfxx-mips.c (infer_mips_abiflags): Use ases instead of
>         isa_ext for infer ABI flags.
>         (print_mips_ases): Add Loongson EXT extension.
> 
> binutils/
>         * readelf.c (print_mips_ases): Add Loongson EXT extension.
> 
> elfcpp/
>         * mips.h (AFL_ASE_LOONGSON_EXT): New enum.
> 
> gas/
>         * NEWS: Mention Loongson EXTensions (EXT) support.
>         * config/tc-mips.c (options): Add OPTION_LOONGSON_EXT and
>         OPTION_NO_LOONGSON_EXT.
>         (md_longopts): Likewise.
>         (mips_ases): Define availability for EXT.
>         (mips_convert_ase_flags): Map ASE_LOONGSON_EXT to
>         AFL_ASE_LOONGSON_EXT.
>         (mips_cpu_info_table): Add ASE_LOONGSON_EXT for loongson3a.
>         (md_show_usage): Add help for -mloongson-ext and
>         -mno-loongson-ext.
>         * doc/as.texi: Document -mloongson-ext, -mno-loongson-ext.
>         * doc/c-mips.texi: Document -mloongson-ext, -mno-loongson-ext,
>         .set loongson-ext and .set noloongson-ext.
>         * testsuite/gas/mips/loongson-mmi.d: Add ASE flag.
> 
> include/
>         * elf/mips.h (AFL_ASE_LOONGSON_EXT): New macro.
>         (AFL_ASE_MASK): Update to include AFL_ASE_LOONGSON_EXT.
>         * opcode/mips.h (ASE_LOONGSON_EXT): New macro.
> 
> opcodes/
>         * mips-dis.c (mips_arch_choices): Add EXT to loongson3a
>         descriptors.
>         (parse_mips_ase_option): Handle -M loongson-ext option.
>         (print_mips_disassembler_options): Document -M loongson-ext.
>         * mips-opc.c (IL3A): Delete.
>         * mips-opc.c (LEXT): New macro.
>         (mips_opcodes): Replace IL2F|IL3A marking with LEXT for EXT
>         instructions.

Approved - please apply.

Cheers
  Nick