[PATCH 0/3] RISC-V: Support CORE-V XCVELW, XCVBI and XCVMEM extensions

Mary Bennett mary.bennett682@gmail.com
Thu May 30 15:06:56 GMT 2024


This patch series presents the comprehensive implementation of the ELW, BI and
MEM extensions for CORE-V.

Tested with riscv-gnu-toolchain on binutils, ld, gas and gcc testsuites to
ensure its correctness and compatibility with the existing codebase.
However, your input, reviews, and suggestions are invaluable in making this
extension even more robust.

The CORE-V instructions are described in the specification [1] and work can be
found in the OpenHW group's Github repository [2].

[1] docs.openhwgroup.org/projects/cv32e40p-user-manual/en/latest/instruction_set_extensions.html

[2] github.com/openhwgroup/corev-binutils-gdb

Contributors:
  Mary Bennett <mary.bennett682@gmail.com>
  Nandni Jamnadas <nandni.jamnadas@embecosm.com>
  Pietra Ferreira <pietra.ferreira@embecosm.com>
  Charlie Keaney
  Jessica Mills
  Craig Blackmore <craig.blackmore@embecosm.com>
  Simon Cook <simon.cook@embecosm.com>
  Jeremy Bennett <jeremy.bennett@embecosm.com>
  Helene Chelin <helene.chelin@embecosm.com>
  Nazareno Bruschi <nazareno.bruschi@embecosm.com>
  Lin Sinan


RISC-V: Add support for XCVelw extension in CV32E40P
RISC-V: Add support for XCVbi extension in CV32E40P
RISC-V: Add support for XCVmem extension in CV32E40P


 bfd/elfxx-riscv.c                             | 15 +++++
 gas/config/tc-riscv.c                         | 12 +++-
 gas/doc/c-riscv.texi                          | 15 +++++
 gas/testsuite/gas/riscv/cv-bi-beqimm.d        | 12 ++++
 gas/testsuite/gas/riscv/cv-bi-beqimm.s        |  4 ++
 gas/testsuite/gas/riscv/cv-bi-bneimm.d        | 12 ++++
 gas/testsuite/gas/riscv/cv-bi-bneimm.s        |  4 ++
 gas/testsuite/gas/riscv/cv-bi-fail-march.d    |  3 +
 gas/testsuite/gas/riscv/cv-bi-fail-march.l    |  3 +
 gas/testsuite/gas/riscv/cv-bi-fail-march.s    |  5 ++
 .../gas/riscv/cv-bi-fail-operand-01.d         |  3 +
 .../gas/riscv/cv-bi-fail-operand-01.l         |  3 +
 .../gas/riscv/cv-bi-fail-operand-01.s         |  4 ++
 .../gas/riscv/cv-bi-fail-operand-02.d         |  3 +
 .../gas/riscv/cv-bi-fail-operand-02.l         |  3 +
 .../gas/riscv/cv-bi-fail-operand-02.s         |  4 ++
 .../gas/riscv/cv-bi-fail-operand-03.d         |  3 +
 .../gas/riscv/cv-bi-fail-operand-03.l         |  9 +++
 .../gas/riscv/cv-bi-fail-operand-03.s         | 10 ++++
 gas/testsuite/gas/riscv/cv-elw-fail-march.d   |  3 +
 gas/testsuite/gas/riscv/cv-elw-fail-march.l   | 38 +++++++++++++
 gas/testsuite/gas/riscv/cv-elw-fail-march.s   | 42 ++++++++++++++
 gas/testsuite/gas/riscv/cv-elw-fail.d         |  3 +
 gas/testsuite/gas/riscv/cv-elw-fail.l         |  5 ++
 gas/testsuite/gas/riscv/cv-elw-fail.s         |  8 +++
 gas/testsuite/gas/riscv/cv-elw-pass.d         | 46 +++++++++++++++
 gas/testsuite/gas/riscv/cv-elw-pass.s         | 42 ++++++++++++++
 gas/testsuite/gas/riscv/cv-mem-fail-march.d   |  3 +
 gas/testsuite/gas/riscv/cv-mem-fail-march.l   | 25 ++++++++
 gas/testsuite/gas/riscv/cv-mem-fail-march.s   | 26 +++++++++
 .../gas/riscv/cv-mem-fail-operand-01.d        |  3 +
 .../gas/riscv/cv-mem-fail-operand-01.l        | 21 +++++++
 .../gas/riscv/cv-mem-fail-operand-01.s        | 22 +++++++
 .../gas/riscv/cv-mem-fail-operand-02.d        |  3 +
 .../gas/riscv/cv-mem-fail-operand-02.l        | 13 +++++
 .../gas/riscv/cv-mem-fail-operand-02.s        | 14 +++++
 .../gas/riscv/cv-mem-fail-operand-03.d        |  3 +
 .../gas/riscv/cv-mem-fail-operand-03.l        | 33 +++++++++++
 .../gas/riscv/cv-mem-fail-operand-03.s        | 34 +++++++++++
 .../gas/riscv/cv-mem-fail-operand-04.d        |  3 +
 .../gas/riscv/cv-mem-fail-operand-04.l        | 41 +++++++++++++
 .../gas/riscv/cv-mem-fail-operand-04.s        | 42 ++++++++++++++
 .../gas/riscv/cv-mem-fail-operand-05.d        |  3 +
 .../gas/riscv/cv-mem-fail-operand-05.l        | 25 ++++++++
 .../gas/riscv/cv-mem-fail-operand-05.s        | 26 +++++++++
 gas/testsuite/gas/riscv/cv-mem-lbpost.d       | 12 ++++
 gas/testsuite/gas/riscv/cv-mem-lbpost.s       |  4 ++
 gas/testsuite/gas/riscv/cv-mem-lbrr.d         | 12 ++++
 gas/testsuite/gas/riscv/cv-mem-lbrr.s         |  4 ++
 gas/testsuite/gas/riscv/cv-mem-lbrrpost.d     | 12 ++++
 gas/testsuite/gas/riscv/cv-mem-lbrrpost.s     |  4 ++
 gas/testsuite/gas/riscv/cv-mem-lbupost.d      | 12 ++++
 gas/testsuite/gas/riscv/cv-mem-lbupost.s      |  4 ++
 gas/testsuite/gas/riscv/cv-mem-lburr.d        | 12 ++++
 gas/testsuite/gas/riscv/cv-mem-lburr.s        |  4 ++
 gas/testsuite/gas/riscv/cv-mem-lburrpost.d    | 12 ++++
 gas/testsuite/gas/riscv/cv-mem-lburrpost.s    |  4 ++
 gas/testsuite/gas/riscv/cv-mem-lhpost.d       | 12 ++++
 gas/testsuite/gas/riscv/cv-mem-lhpost.s       |  4 ++
 gas/testsuite/gas/riscv/cv-mem-lhrr.d         | 12 ++++
 gas/testsuite/gas/riscv/cv-mem-lhrr.s         |  4 ++
 gas/testsuite/gas/riscv/cv-mem-lhrrpost.d     | 12 ++++
 gas/testsuite/gas/riscv/cv-mem-lhrrpost.s     |  4 ++
 gas/testsuite/gas/riscv/cv-mem-lhupost.d      | 12 ++++
 gas/testsuite/gas/riscv/cv-mem-lhupost.s      |  4 ++
 gas/testsuite/gas/riscv/cv-mem-lhurr.d        | 12 ++++
 gas/testsuite/gas/riscv/cv-mem-lhurr.s        |  4 ++
 gas/testsuite/gas/riscv/cv-mem-lhurrpost.d    | 12 ++++
 gas/testsuite/gas/riscv/cv-mem-lhurrpost.s    |  4 ++
 gas/testsuite/gas/riscv/cv-mem-lwpost.d       | 12 ++++
 gas/testsuite/gas/riscv/cv-mem-lwpost.s       |  4 ++
 gas/testsuite/gas/riscv/cv-mem-lwrr.d         | 12 ++++
 gas/testsuite/gas/riscv/cv-mem-lwrr.s         |  4 ++
 gas/testsuite/gas/riscv/cv-mem-lwrrpost.d     | 12 ++++
 gas/testsuite/gas/riscv/cv-mem-lwrrpost.s     |  4 ++
 gas/testsuite/gas/riscv/cv-mem-sbpost.d       | 12 ++++
 gas/testsuite/gas/riscv/cv-mem-sbpost.s       |  4 ++
 gas/testsuite/gas/riscv/cv-mem-sbrr.d         | 12 ++++
 gas/testsuite/gas/riscv/cv-mem-sbrr.s         |  4 ++
 gas/testsuite/gas/riscv/cv-mem-sbrrpost.d     | 12 ++++
 gas/testsuite/gas/riscv/cv-mem-sbrrpost.s     |  4 ++
 gas/testsuite/gas/riscv/cv-mem-shpost.d       | 12 ++++
 gas/testsuite/gas/riscv/cv-mem-shpost.s       |  4 ++
 gas/testsuite/gas/riscv/cv-mem-shrr.d         | 12 ++++
 gas/testsuite/gas/riscv/cv-mem-shrr.s         |  4 ++
 gas/testsuite/gas/riscv/cv-mem-shrrpost.d     | 12 ++++
 gas/testsuite/gas/riscv/cv-mem-shrrpost.s     |  4 ++
 gas/testsuite/gas/riscv/cv-mem-swpost.d       | 12 ++++
 gas/testsuite/gas/riscv/cv-mem-swpost.s       |  4 ++
 gas/testsuite/gas/riscv/cv-mem-swrr.d         | 12 ++++
 gas/testsuite/gas/riscv/cv-mem-swrr.s         |  4 ++
 gas/testsuite/gas/riscv/cv-mem-swrrpost.d     | 12 ++++
 gas/testsuite/gas/riscv/cv-mem-swrrpost.s     |  4 ++
 gas/testsuite/gas/riscv/march-help.l          |  3 +
 include/opcode/riscv-opc.h                    | 57 +++++++++++++++++++
 include/opcode/riscv.h                        |  6 ++
 ld/testsuite/ld-riscv-elf/cv-bi-beqimm.d      | 21 +++++++
 ld/testsuite/ld-riscv-elf/cv-bi-beqimm.s      | 11 ++++
 ld/testsuite/ld-riscv-elf/cv-bi-bneimm.d      | 21 +++++++
 ld/testsuite/ld-riscv-elf/cv-bi-bneimm.s      | 11 ++++
 ld/testsuite/ld-riscv-elf/ld-riscv-elf.exp    |  2 +
 opcodes/riscv-dis.c                           |  4 ++
 opcodes/riscv-opc.c                           | 33 +++++++++++
 103 files changed, 1206 insertions(+), 1 deletion(-)
 create mode 100644 gas/testsuite/gas/riscv/cv-bi-beqimm.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bi-beqimm.s
 create mode 100644 gas/testsuite/gas/riscv/cv-bi-bneimm.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bi-bneimm.s
 create mode 100644 gas/testsuite/gas/riscv/cv-bi-fail-march.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bi-fail-march.l
 create mode 100644 gas/testsuite/gas/riscv/cv-bi-fail-march.s
 create mode 100644 gas/testsuite/gas/riscv/cv-bi-fail-operand-01.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bi-fail-operand-01.l
 create mode 100644 gas/testsuite/gas/riscv/cv-bi-fail-operand-01.s
 create mode 100644 gas/testsuite/gas/riscv/cv-bi-fail-operand-02.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bi-fail-operand-02.l
 create mode 100644 gas/testsuite/gas/riscv/cv-bi-fail-operand-02.s
 create mode 100644 gas/testsuite/gas/riscv/cv-bi-fail-operand-03.d
 create mode 100644 gas/testsuite/gas/riscv/cv-bi-fail-operand-03.l
 create mode 100644 gas/testsuite/gas/riscv/cv-bi-fail-operand-03.s
 create mode 100644 gas/testsuite/gas/riscv/cv-elw-fail-march.d
 create mode 100644 gas/testsuite/gas/riscv/cv-elw-fail-march.l
 create mode 100644 gas/testsuite/gas/riscv/cv-elw-fail-march.s
 create mode 100644 gas/testsuite/gas/riscv/cv-elw-fail.d
 create mode 100644 gas/testsuite/gas/riscv/cv-elw-fail.l
 create mode 100644 gas/testsuite/gas/riscv/cv-elw-fail.s
 create mode 100644 gas/testsuite/gas/riscv/cv-elw-pass.d
 create mode 100644 gas/testsuite/gas/riscv/cv-elw-pass.s
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-fail-march.d
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-fail-march.l
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-fail-march.s
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-fail-operand-01.d
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-fail-operand-01.l
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-fail-operand-01.s
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-fail-operand-02.d
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-fail-operand-02.l
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-fail-operand-02.s
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-fail-operand-03.d
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-fail-operand-03.l
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-fail-operand-03.s
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-fail-operand-04.d
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-fail-operand-04.l
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-fail-operand-04.s
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-fail-operand-05.d
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-fail-operand-05.l
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-fail-operand-05.s
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-lbpost.d
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-lbpost.s
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-lbrr.d
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-lbrr.s
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-lbrrpost.d
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-lbrrpost.s
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-lbupost.d
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-lbupost.s
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-lburr.d
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-lburr.s
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-lburrpost.d
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-lburrpost.s
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-lhpost.d
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-lhpost.s
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-lhrr.d
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-lhrr.s
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-lhrrpost.d
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-lhrrpost.s
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-lhupost.d
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-lhupost.s
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-lhurr.d
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-lhurr.s
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-lhurrpost.d
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-lhurrpost.s
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-lwpost.d
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-lwpost.s
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-lwrr.d
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-lwrr.s
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-lwrrpost.d
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-lwrrpost.s
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-sbpost.d
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-sbpost.s
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-sbrr.d
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-sbrr.s
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-sbrrpost.d
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-sbrrpost.s
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-shpost.d
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-shpost.s
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-shrr.d
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-shrr.s
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-shrrpost.d
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-shrrpost.s
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-swpost.d
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-swpost.s
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-swrr.d
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-swrr.s
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-swrrpost.d
 create mode 100644 gas/testsuite/gas/riscv/cv-mem-swrrpost.s
 create mode 100644 ld/testsuite/ld-riscv-elf/cv-bi-beqimm.d
 create mode 100644 ld/testsuite/ld-riscv-elf/cv-bi-beqimm.s
 create mode 100644 ld/testsuite/ld-riscv-elf/cv-bi-bneimm.d
 create mode 100644 ld/testsuite/ld-riscv-elf/cv-bi-bneimm.s

-- 
2.43.0



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