[PING][PATCH v2 0/1] RISC-V: Fix RV32Q conflict

[Tsukasa OI <research_trasio@irq.a4lg.com>]

On 2022/02/27 17:51, Tsukasa OI wrote:
> [v2]
> 
> This commit allows combination of RV32 + 'Q' extension (IEEE 754
> binary128 floating point number support), version 2.2 or later.
> 
> This combination is no longer prohibited by the specification.
> 
> v1:
> <https://sourceware.org/pipermail/binutils/2022-February/119655.html>
> 
> Changes: v1 -> v2
> -   Changed/renamed testcase so that no failure occurs.
>     RV32IQ with old ISA (version 2.2 w/ 'Q' 2.0) is prohibited.
> -   Added testcase so that RV32IQ with recent ISA succeeds.
>     RV32IQ with new ISA (version 20190608 w/ 'Q' 2.2) is allowed.
> -   Added testcases for RV32I + 'Q' per extension version
>     -   'Q' extension version 2.0 with RV32I is prohibited.
>         ("rv32iq2" means RV32I + Q version 2".0" so also prohibited.)
>     -   'Q' extension version 2.2 with RV32I is allowed.
> 
> As I noted in v1, this implementation might be too pedantic.
> An option is to allow RV32IQ entirely (regardless of version numbers).
> 
> 
> 
> 
> Tsukasa OI (1):
>   RISC-V: Fix RV32Q conflict
> 
>  bfd/elfxx-riscv.c                                            | 5 +++--
>  gas/testsuite/gas/riscv/march-fail-rv32iq-isa-2p2.d          | 3 +++
>  gas/testsuite/gas/riscv/march-fail-rv32iq.d                  | 3 ---
>  gas/testsuite/gas/riscv/march-fail-rv32iq2.d                 | 3 +++
>  gas/testsuite/gas/riscv/march-fail-rv32iq2p0.d               | 3 +++
>  .../riscv/{march-fail-rv32iq.l => march-fail-rv32iq2p0.l}    | 0
>  gas/testsuite/gas/riscv/march-ok-rv32iq-isa-20190608.d       | 5 +++++
>  gas/testsuite/gas/riscv/march-ok-rv32iq2p2.d                 | 5 +++++
>  8 files changed, 22 insertions(+), 5 deletions(-)
>  create mode 100644 gas/testsuite/gas/riscv/march-fail-rv32iq-isa-2p2.d
>  delete mode 100644 gas/testsuite/gas/riscv/march-fail-rv32iq.d
>  create mode 100644 gas/testsuite/gas/riscv/march-fail-rv32iq2.d
>  create mode 100644 gas/testsuite/gas/riscv/march-fail-rv32iq2p0.d
>  rename gas/testsuite/gas/riscv/{march-fail-rv32iq.l => march-fail-rv32iq2p0.l} (100%)
>  create mode 100644 gas/testsuite/gas/riscv/march-ok-rv32iq-isa-20190608.d
>  create mode 100644 gas/testsuite/gas/riscv/march-ok-rv32iq2p2.d
> 
> 
> base-commit: b275570803cefba388595bc42b75b68403eb86f1

Let me allow to send a ping.

Original:
https://sourceware.org/pipermail/binutils/2022-February/119893.html

I completely understand that my other fixes (except this and
Zihintpause) are relatively large and needs some time to review.

I think this (and Zihintpause patch) are completely safe to merge.

Thanks,
Tsukasa