From: Andrew Waterman <andrew@sifive.com>
To: Jeff Law <jeffreyalaw@gmail.com>
Cc: Palmer Dabbelt <palmer@rivosinc.com>,
Vineet Gupta <vineetg@rivosinc.com>,
gcc-patches@gcc.gnu.org, Kito Cheng <kito.cheng@gmail.com>,
gnu-toolchain@rivosinc.com
Subject: Re: [PATCH] RISC-V: improve codegen for repeating large constants [3]
Date: Sat, 1 Jul 2023 08:08:34 -0700 [thread overview]
Message-ID: <CA++6G0D1ha6ggJt78JZiHmG33=VtWuvYBeiaGW_RBCBJbSzbug@mail.gmail.com> (raw)
In-Reply-To: <f3c04812-5dfe-c3b5-336c-97d020599a57@gmail.com>
On Sat, Jul 1, 2023 at 7:04 AM Jeff Law <jeffreyalaw@gmail.com> wrote:
>
>
>
> On 7/1/23 02:00, Andrew Waterman wrote:
>
> >
> > Yeah, that might end up being a false economy for superscalars.
> >
> > In general, I wouldn't recommend spending too many cleverness beans on
> > non-Zba+Zbb implementations. Going forward, we should expect that
> > even very simple cores provide those extensions.
> I suspect you under-estimate how difficult it is to get the distros to
> move forward on baseline ISAs.
Yeah, true.
>
> jeff
prev parent reply other threads:[~2023-07-01 15:08 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-30 23:33 Vineet Gupta
2023-06-30 23:41 ` Vineet Gupta
2023-06-30 23:50 ` Andrew Waterman
2023-07-01 0:13 ` Vineet Gupta
2023-07-01 0:25 ` Andrew Waterman
2023-07-01 0:36 ` Palmer Dabbelt
2023-07-01 8:00 ` Andrew Waterman
2023-07-01 14:04 ` Jeff Law
2023-07-01 14:34 ` Palmer Dabbelt
2023-07-01 15:08 ` Andrew Waterman [this message]
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