Re: [RFC PATCH 3/6] RISC-V: Add Zvkh[a,b] ISA extension support

["Christoph Müllner" <christoph.muellner@vrull.eu>]

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On Wed, Dec 21, 2022 at 10:24 PM Jeff Law <jeffreyalaw@gmail.com> wrote:

>
>
> On 12/21/22 10:07, Christoph Muellner wrote:
> > From: Christoph Müllner <christoph.muellner@vrull.eu>
> >
> > This commit adds the Zvkh[a,b] ISA extension instructions, which are part
> > of the vector crypto extensions.
> >
> > Signed-off-by: Christoph Müllner <christoph.muellner@vrull.eu>
> > ---
> >   bfd/elfxx-riscv.c                     | 13 +++++++++++++
> >   gas/testsuite/gas/riscv/zvkha.d       | 12 ++++++++++++
> >   gas/testsuite/gas/riscv/zvkha_zvkhb.s |  3 +++
> >   gas/testsuite/gas/riscv/zvkhb.d       | 12 ++++++++++++
> >   include/opcode/riscv-opc.h            | 11 +++++++++++
> >   include/opcode/riscv.h                |  3 +++
> >   opcodes/riscv-opc.c                   |  5 +++++
> >   7 files changed, 59 insertions(+)
> >   create mode 100644 gas/testsuite/gas/riscv/zvkha.d
> >   create mode 100644 gas/testsuite/gas/riscv/zvkha_zvkhb.s
> >   create mode 100644 gas/testsuite/gas/riscv/zvkhb.d
> Looks reasonable to me.  Just one comment nit below...
>
>
>
> > diff --git a/opcodes/riscv-opc.c b/opcodes/riscv-opc.c
> > index bb716c8c9d0..35d3e653147 100644
> > --- a/opcodes/riscv-opc.c
> > +++ b/opcodes/riscv-opc.c
> > @@ -1834,6 +1834,11 @@ const struct riscv_opcode riscv_opcodes[] =
> >   /* Zvkg instructions.  */
> >   {"vghmac.vv",   0, INSN_CLASS_ZVKG, "Vd,Vt,Vs", MATCH_VGHMACVV,
> MASK_VGHMACVV, match_opcode, 0},
> >
> > +/* Xvkh[a,b] instructions.  */
> Are these X or Z?
>

Thanks for spotting this!



>
> Jeff
>