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From: Kito Cheng <kito.cheng@gmail.com>
Date: Tue, 25 Jan 2022 10:27:36 +0800
Message-ID: <CA+yXCZAfUMbn5=vtR-9n5TKdFKH3pbPqpFgQKomqQi37OfateA@mail.gmail.com>
Subject: Re: RISC-V GNU toolchain bumping default ISA spec to 20191213
To: Andreas Schwab <schwab@linux-m68k.org>
Cc: Kito Cheng via Libc-alpha <libc-alpha@sourceware.org>,
 Nelson Chu <nelson.chu@sifive.com>, Andrew Waterman <andrew@sifive.com>
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Hi Andreas:

> Does this have any effect on the rv64g alias?

No, rv64g would be fine :)
rv64g means rv64imafd in ISA spec 2.2
and that became rv64imafd_zicsr_zifencei in ISA spec  20190608 and 20191213.


On Mon, Jan 24, 2022 at 10:54 PM Andreas Schwab <schwab@linux-m68k.org> wrote:
>
> On Jan 24 2022, Kito Cheng via Libc-alpha wrote:
>
> > Here is two solution to resolve:
> >
> > - First one is what we recommend, adding zicsr and/or zifencei to your
> > -march option, e.g. -march=rv64imac become
> > -march=rv64imac_zicsr_zifencei
>
> Does this have any effect on the rv64g alias?
>
> --
> Andreas Schwab, schwab@linux-m68k.org
> GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
> "And now for something completely different."