From: Jeff Law <jeffreyalaw@gmail.com>
To: Florian Weimer <fweimer@redhat.com>, gcc-patches@gcc.gnu.org
Subject: Re: [PATCH] libgcc: Special-case BFD ld unwind table encodings in find_fde_tail
Date: Fri, 28 Oct 2022 22:20:32 -0600 [thread overview]
Message-ID: <034805f8-1ddc-6280-1b0a-b60cf70fcdb6@gmail.com> (raw)
In-Reply-To: <87zgdun7ja.fsf@oldenburg.str.redhat.com>
On 10/17/22 03:06, Florian Weimer via Gcc-patches wrote:
> BFD ld (and the other linkers) only produce one encoding of these
> values. It is not necessary to use the general
> read_encoded_value_with_base decoding routine. This avoids the
> data-dependent branches in its implementation.
>
> libgcc/
>
> * unwind-dw2-fde-dip.c (find_fde_tail): Special-case encoding
> values actually used by BFD ld.
OK.
jeff
prev parent reply other threads:[~2022-10-29 4:20 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-17 9:06 Florian Weimer
2022-10-29 4:20 ` Jeff Law [this message]
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