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From: Adhemerval Zanella <adhemerval.zanella@linaro.org>
To: libc-alpha@sourceware.org
Subject: Re: [PATCH v2] wcrtomb: Make behavior POSIX compliant
Date: Mon, 9 May 2022 10:22:35 -0300	[thread overview]
Message-ID: <1eba6382-8db1-d269-2ed1-a2c408e5be33@linaro.org> (raw)
In-Reply-To: <20220506140415.1275807-1-siddhesh@sourceware.org>



On 06/05/2022 11:04, Siddhesh Poyarekar via Libc-alpha wrote:

> +
> +	  if (__glibc_likely (result < 2))
> +	    *s = *buf;
> +	  else if (__glibc_likely (result == 2))
> +	    memcpy (s, buf, result);	/* Help the compiler.  */
> +	  else
> +	    memcpy (s, buf, result);
> +	}
> +    }

I am not following how this help the compiler here, it just duplicates the
same memcpy call.

  reply	other threads:[~2022-05-09 13:22 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-07  6:26 [RFC] _FORTIFY_SOURCE strictness Siddhesh Poyarekar
2022-04-07 10:16 ` Andreas Schwab
2022-04-08  3:24   ` Siddhesh Poyarekar
2022-04-08  2:26 ` Paul Eggert
2022-04-08  3:32   ` Siddhesh Poyarekar
2022-04-08  5:37 ` Florian Weimer
2022-04-08  6:02   ` Siddhesh Poyarekar
2022-04-08 21:07     ` Paul Eggert
2022-04-11  8:02       ` Siddhesh Poyarekar
2022-05-05 18:43         ` [PATCH 0/2] More compliant wcrtomb Siddhesh Poyarekar
2022-05-05 18:43           ` [PATCH 1/2] benchtests: Add wcrtomb microbenchmark Siddhesh Poyarekar
2022-05-06  9:10             ` Florian Weimer
2022-05-06 12:49               ` [committed] " Siddhesh Poyarekar
2022-05-06 12:50             ` [PATCH 1/2] " Adhemerval Zanella
2022-05-06 12:59               ` Siddhesh Poyarekar
2022-05-06 13:20                 ` Adhemerval Zanella
2022-05-06 13:26                   ` Siddhesh Poyarekar
2022-05-06 13:36                     ` Siddhesh Poyarekar
2022-05-06 13:46                       ` Adhemerval Zanella
2022-05-05 18:43           ` [PATCH 2/2] wcrtomb: Make behavior POSIX compliant Siddhesh Poyarekar
2022-05-06  9:25             ` Paul Eggert
2022-05-06 13:40               ` Adhemerval Zanella
2022-05-06 13:46                 ` Siddhesh Poyarekar
2022-05-06 14:04             ` [PATCH v2] " Siddhesh Poyarekar
2022-05-09 13:22               ` Adhemerval Zanella [this message]
2022-05-09 13:35                 ` Siddhesh Poyarekar
2022-05-12 13:15             ` [PATCH v3] " Siddhesh Poyarekar
2022-05-13  4:56               ` Paul Eggert
2022-05-13  5:28                 ` Paul Eggert
2022-05-13 11:31                   ` Siddhesh Poyarekar
2022-05-13 11:38                     ` Florian Weimer
2022-05-13 11:51                       ` Siddhesh Poyarekar
2022-05-13 12:55                         ` Florian Weimer
2022-05-13 12:30                       ` Adhemerval Zanella
2022-05-13 13:42                         ` Siddhesh Poyarekar
2022-05-13 17:58                           ` Paul Eggert
2022-05-13 13:45                         ` [committed] " Siddhesh Poyarekar
2022-05-13  8:18                 ` [PATCH v3] " Siddhesh Poyarekar

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