MIPS/GAS: Split Loongson MMI Instructions from loongson2f/3a
authorChenghua Xu <paul.hua.gm@gmail.com>
Fri, 20 Jul 2018 12:21:33 +0000 (13:21 +0100)
committerMaciej W. Rozycki <macro@mips.com>
Fri, 20 Jul 2018 12:21:33 +0000 (13:21 +0100)
commit8095d2f70e1a982c006f306be1a9e1c892758914
tree75d94d2162fb314607ec90db8e4088654ce7c6de
parentdb841b6fcd8b3bc2e6d6774e81c14dfbb9ac815d
MIPS/GAS: Split Loongson MMI Instructions from loongson2f/3a

The MMI instruction set has been implemented in many Loongson
processors.  There is a lot of software optimized for MMI.  This patch
splits MMI from loongson2f/3a, and adds GAS and disassembler options for
MMI instructions.

2018-07-20  Chenghua Xu  <paul.hua.gm@gmail.com>
            Maciej W. Rozycki  <macro@mips.com>

bfd/
* elfxx-mips.c (print_mips_ases): Add MMI extension.

binutils/
* readelf.c (print_mips_ases): Add MMI extension.

gas/
* NEWS: Mention MultiMedia extensions Instructions (MMI)
support.
* config/tc-mips.c (options): Add OPTION_LOONGSON_MMI and
OPTION_NO_LOONGSON_MMI.
(md_longopts): Likewise.
(mips_ases): Define availability for MMI.
(mips_convert_ase_flags): Map ASE_LOONGSON_MMI to
AFL_ASE_LOONGSON_MMI.
(mips_cpu_info_table): Add ASE_LOONGSON_MMI for loongson2f/3a.
(md_show_usage): Add help for -mloongson-mmi and
-mno-loongson-mmi.
* doc/as.texi: Document -mloongson-mmi, -mno-loongson-mmi.
* doc/c-mips.texi: Document -mloongson-mmi, -mno-loongson-mmi,
.set loongson-mmi and .set noloongson-mmi.
* testsuite/gas/mips/loongson-2f.d: Move mmi test to ...
* testsuite/gas/mips/loongson-2f-mmi.d: Here.  Add ISA/ASE
flag verification.
* testsuite/gas/mips/loongson-2f.s: Move mmi test to ...
* testsuite/gas/mips/loongson-2f-mmi.s: Here.
* testsuite/gas/mips/loongson-3a.d: Move mmi test to ...
* testsuite/gas/mips/loongson-3a-mmi.d: Here.  Add ISA/ASE
flag verification.
* testsuite/gas/mips/loongson-3a.s: Move mmi test to ...
* testsuite/gas/mips/loongson-3a-mmi.s: Here.
* testsuite/gas/mips/mips.exp: Run loongson-2f-mmi and
loongson-3a-mmi tests.

include/
* elf/mips.h (AFL_ASE_MMI): New macro.
(AFL_ASE_MASK): Update to include AFL_ASE_LOONGSON_MMI.
* opcode/mips.h (ASE_LOONGSON_MMI): New macro.

opcodes/
* mips-dis.c (mips_arch_choices): Add MMI to loongson2f and
loongson3a descriptors.
(parse_mips_ase_option): Handle -M loongson-mmi option.
(print_mips_disassembler_options): Document -M loongson-mmi.
* mips-opc.c (LMMI): New macro.
(mips_opcodes): Replace IL2F|IL3A marking with LMMI for MMI
instructions.
24 files changed:
bfd/ChangeLog
bfd/elfxx-mips.c
binutils/ChangeLog
binutils/readelf.c
gas/ChangeLog
gas/NEWS
gas/config/tc-mips.c
gas/doc/as.texi
gas/doc/c-mips.texi
gas/testsuite/gas/mips/loongson-2f-mmi.d [new file with mode: 0644]
gas/testsuite/gas/mips/loongson-2f-mmi.s [new file with mode: 0644]
gas/testsuite/gas/mips/loongson-2f.d
gas/testsuite/gas/mips/loongson-2f.s
gas/testsuite/gas/mips/loongson-3a-mmi.d [new file with mode: 0644]
gas/testsuite/gas/mips/loongson-3a-mmi.s [new file with mode: 0644]
gas/testsuite/gas/mips/loongson-3a.d
gas/testsuite/gas/mips/loongson-3a.s
gas/testsuite/gas/mips/mips.exp
include/ChangeLog
include/elf/mips.h
include/opcode/mips.h
opcodes/ChangeLog
opcodes/mips-dis.c
opcodes/mips-opc.c