From: Jonathan Wakely <jwakely@redhat.com>
To: Thomas Rodgers <rodgert@appliantology.com>
Cc: gcc-patches@gcc.gnu.org, libstdc++@gcc.gnu.org,
Thomas Rodgers <trodgers@redhat.com>
Subject: Re: [PATCH] [libstdc++] Remove unused hasher instance.
Date: Fri, 4 Jun 2021 21:30:15 +0100 [thread overview]
Message-ID: <CACb0b4n7bQLRM-rv8z2t-3_dhaLnz_pzUHa1PRk44eC2tmRoEA@mail.gmail.com> (raw)
In-Reply-To: <20210604195156.706986-1-rodgert@appliantology.com>
On Fri, 4 Jun 2021 at 20:54, Thomas Rodgers wrote:
> This is a remnant of poorly executed refactoring.
>
OK for trunk and gcc-11, thanks.
> libstdc++-v3/ChangeLog:
>
> * include/std/barrier (__tree_barrier::_M_arrive): Remove
> unnecessary hasher instantiation.
> ---
> libstdc++-v3/include/std/barrier | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/libstdc++-v3/include/std/barrier
> b/libstdc++-v3/include/std/barrier
> index fd61fb4f9da..4210e30d1ce 100644
> --- a/libstdc++-v3/include/std/barrier
> +++ b/libstdc++-v3/include/std/barrier
> @@ -103,7 +103,6 @@ It looks different from literature pseudocode for two
> main reasons:
> static_cast<__barrier_phase_t>(__old_phase_val
> + 2);
>
> size_t __current_expected = _M_expected;
> - std::hash<std::thread::id> __hasher;
> __current %= ((_M_expected + 1) >> 1);
>
> for (int __round = 0; ; ++__round)
> --
> 2.26.2
>
>
next prev parent reply other threads:[~2021-06-04 20:30 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-04 19:51 Thomas Rodgers
2021-06-04 20:30 ` Jonathan Wakely [this message]
2021-06-08 23:04 ` Thomas Rodgers
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