[PING][PATCH 0/7] RISC-V: Add support for Andes floating-point and vector extensions

[Ethan Y. C. Liang]

Hi Nelson,

Just a quick ping on the patch series.
Let me know if you need anything from my side.

Thanks,
Ethan


On Tue, Nov 18, 2025 at 05:13:43PM +0800, Ethan Y. C. Liang wrote:
> This patch series adds support for seven Andes RISC-V extensions in binutils.
> The extensions provide enhanced capabilities for floating-point conversion, vector operations, and integer processing.
> 
> These extensions have been part of Andes' commercial toolchain for several years and have been extensively validated through our internal testing and production usage. Any feedback to help ensure smooth integration with the open-source ecosystem would be greatly appreciated.
> 
> The Andes RISC-V extensions are documented in the AndeStar V5 ISA specification [1].
> 
> [1] https://github.com/andestech/andes-v5-isa/releases/download/ast-v5_4_0-release/AndeStar_V5_ISA_Spec_UM165-v1.5.08-20250317.pdf
> 
> Ethan Y. C. Liang (7):
>   RISC-V: Add support for XAndesBFHCvt extension
>   RISC-V: Add support for XAndesVBFHCvt extension
>   RISC-V: Add support for XAndesVSIntLoad extension
>   RISC-V: Add support for XAndesVPackFPH extension
>   RISC-V: Add support for XAndesVDot extension
>   RISC-V: Add support for XAndesVSIntH extension
>   RISC-V: Add support for XAndesVQMac extension
> 
>  bfd/elfxx-riscv.c                           | 35 +++++++++
>  gas/doc/c-riscv.texi                        | 35 +++++++++
>  gas/testsuite/gas/riscv/march-help.l        |  7 ++
>  gas/testsuite/gas/riscv/x-andes-bfhcvt.d    | 12 +++
>  gas/testsuite/gas/riscv/x-andes-bfhcvt.s    |  3 +
>  gas/testsuite/gas/riscv/x-andes-vbfhcvt.d   | 12 +++
>  gas/testsuite/gas/riscv/x-andes-vbfhcvt.s   |  3 +
>  gas/testsuite/gas/riscv/x-andes-vdot.d      | 16 ++++
>  gas/testsuite/gas/riscv/x-andes-vdot.s      |  7 ++
>  gas/testsuite/gas/riscv/x-andes-vpackfph.d  | 14 ++++
>  gas/testsuite/gas/riscv/x-andes-vpackfph.s  |  5 ++
>  gas/testsuite/gas/riscv/x-andes-vqmac.d     | 24 ++++++
>  gas/testsuite/gas/riscv/x-andes-vqmac.s     | 15 ++++
>  gas/testsuite/gas/riscv/x-andes-vsinth.d    | 20 +++++
>  gas/testsuite/gas/riscv/x-andes-vsinth.s    | 11 +++
>  gas/testsuite/gas/riscv/x-andes-vsintload.d | 16 ++++
>  gas/testsuite/gas/riscv/x-andes-vsintload.s |  7 ++
>  include/opcode/riscv-opc.h                  | 83 +++++++++++++++++++++
>  include/opcode/riscv.h                      |  7 ++
>  opcodes/riscv-opc.c                         | 37 +++++++++
>  20 files changed, 369 insertions(+)
>  create mode 100644 gas/testsuite/gas/riscv/x-andes-bfhcvt.d
>  create mode 100644 gas/testsuite/gas/riscv/x-andes-bfhcvt.s
>  create mode 100644 gas/testsuite/gas/riscv/x-andes-vbfhcvt.d
>  create mode 100644 gas/testsuite/gas/riscv/x-andes-vbfhcvt.s
>  create mode 100644 gas/testsuite/gas/riscv/x-andes-vdot.d
>  create mode 100644 gas/testsuite/gas/riscv/x-andes-vdot.s
>  create mode 100644 gas/testsuite/gas/riscv/x-andes-vpackfph.d
>  create mode 100644 gas/testsuite/gas/riscv/x-andes-vpackfph.s
>  create mode 100644 gas/testsuite/gas/riscv/x-andes-vqmac.d
>  create mode 100644 gas/testsuite/gas/riscv/x-andes-vqmac.s
>  create mode 100644 gas/testsuite/gas/riscv/x-andes-vsinth.d
>  create mode 100644 gas/testsuite/gas/riscv/x-andes-vsinth.s
>  create mode 100644 gas/testsuite/gas/riscv/x-andes-vsintload.d
>  create mode 100644 gas/testsuite/gas/riscv/x-andes-vsintload.s
> 
> -- 
> 2.49.0
>