Re: [PATCH] RISC-V: Add actual 'Zvkt' extension support

[Nelson Chu <nelson@rivosinc.com>]

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Ok, thanks, please commit.

Nelson

On Thu, Jul 27, 2023 at 12:47 PM <jiawei@iscas.ac.cn> wrote:

> LGMT, thanks for this work.
>
> > From: Tsukasa OI <research_trasio@irq.a4lg.com>
> >
> > The 'Zvkt' extension is listed on the added extensions in the GNU
> Binutils
> > version 2.41 (see binutils/NEWS).  However, the support of this extension
> > was actually missing.
> >
> > This commit adds actual support of this extension and adds implications
> > from 'Zvkn' and 'Zvks' superset extensions.
> >
> > bfd/ChangeLog:
> >
> > * elfxx-riscv.c (riscv_implicit_subsets) Add implications from
> > 'Zvkn' and 'Zvks'.  (riscv_supported_std_z_ext): Add 'Zvkt' to
> > the supported extension list.
> > ---
> >  bfd/elfxx-riscv.c | 3 +++
> >  1 file changed, 3 insertions(+)
> >
> > diff --git a/bfd/elfxx-riscv.c b/bfd/elfxx-riscv.c
> > index b43d2cfa0fab..ba5165766b2b 100644
> > --- a/bfd/elfxx-riscv.c
> > +++ b/bfd/elfxx-riscv.c
> > @@ -1162,6 +1162,7 @@ static struct riscv_implicit_subset
> riscv_implicit_subsets[] =
> >    {"zvkn", "zvknha", check_implicit_always},
> >    {"zvkn", "zvknhb", check_implicit_always},
> >    {"zvkn", "zvbb", check_implicit_always},
> > +  {"zvkn", "zvkt", check_implicit_always},
> >    {"zvkng", "zvkn", check_implicit_always},
> >    {"zvkng", "zvkg", check_implicit_always},
> >    {"zvknc", "zvkn", check_implicit_always},
> > @@ -1169,6 +1170,7 @@ static struct riscv_implicit_subset
> riscv_implicit_subsets[] =
> >    {"zvks", "zvksed", check_implicit_always},
> >    {"zvks", "zvksh", check_implicit_always},
> >    {"zvks", "zvbb", check_implicit_always},
> > +  {"zvks", "zvkt", check_implicit_always},
> >    {"zvksg", "zvks", check_implicit_always},
> >    {"zvksg", "zvkg", check_implicit_always},
> >    {"zvksc", "zvks", check_implicit_always},
> > @@ -1296,6 +1298,7 @@ static struct riscv_supported_ext
> riscv_supported_std_z_ext[] =
> >    {"zvks", ISA_SPEC_CLASS_DRAFT, 1, 0,  0 },
> >    {"zvksg", ISA_SPEC_CLASS_DRAFT, 1, 0,  0 },
> >    {"zvksc", ISA_SPEC_CLASS_DRAFT, 1, 0,  0 },
> > +  {"zvkt", ISA_SPEC_CLASS_DRAFT, 1, 0,  0 },
> >    {"zvl32b", ISA_SPEC_CLASS_DRAFT, 1, 0,  0 },
> >    {"zvl64b", ISA_SPEC_CLASS_DRAFT, 1, 0,  0 },
> >    {"zvl128b", ISA_SPEC_CLASS_DRAFT, 1, 0,  0 },
> >
> > base-commit: 477c9f2ba26ccd77016f2c97941fc8b35e332e35
> > --
> > 2.41.0
>
>
>