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From: "Cédric Le Goater" <clg@kaod.org>
To: Thomas Huth <thuth@redhat.com>, <qemu-devel@nongnu.org>,
	Daniel Henrique Barboza <danielhb413@gmail.com>
Cc: <qemu-ppc@nongnu.org>, <qemu-trivial@nongnu.org>,
	<mrezanin@redhat.com>, David Gibson <david@gibson.dropbear.id.au>,
	Greg Kurz <groug@kaod.org>
Subject: Re: [PATCH] libdecnumber/dpd/decimal64: Fix compiler warning from Clang 15
Date: Thu, 10 Nov 2022 14:41:45 +0100	[thread overview]
Message-ID: <3a79f03a-52a8-d768-1829-dfc94ef1a4e3@kaod.org> (raw)
In-Reply-To: <20221110131112.104283-1-thuth@redhat.com>

On 11/10/22 14:11, Thomas Huth wrote:
> Clang 15 from Fedora 37 complains:
> 
>   ../libdecnumber/dpd/decimal64.c:620:8: error: variable 'n' set but
>   not used [-Werror,-Wunused-but-set-variable]
>     Int  n;                     /* output bunch counter */
>          ^
>   1 error generated.
> 
> Remove the unused variable to silence the compiler warning.
> 
> Signed-off-by: Thomas Huth <thuth@redhat.com>

Reviewed-by: Cédric Le Goater <clg@kaod.org>

Thanks,

C.


> ---
>   libdecnumber/dpd/decimal64.c | 3 +--
>   1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/libdecnumber/dpd/decimal64.c b/libdecnumber/dpd/decimal64.c
> index 4816176410..290dbe8177 100644
> --- a/libdecnumber/dpd/decimal64.c
> +++ b/libdecnumber/dpd/decimal64.c
> @@ -617,7 +617,6 @@ static const uInt multies[]={131073, 26215, 5243, 1049, 210};
>   #endif
>   void decDigitsToDPD(const decNumber *dn, uInt *targ, Int shift) {
>     Int  cut;		      /* work */
> -  Int  n;		      /* output bunch counter */
>     Int  digits=dn->digits;     /* digit countdown */
>     uInt dpd;		      /* densely packed decimal value */
>     uInt bin;		      /* binary value 0-999 */
> @@ -676,7 +675,7 @@ void decDigitsToDPD(const decNumber *dn, uInt *targ, Int shift) {
>       bin=0;			   /* [keep compiler quiet] */
>     #endif
>   
> -  for(n=0; digits>0; n++) {	   /* each output bunch */
> +  while (digits > 0) {             /* each output bunch */
>       #if DECDPUN==3		   /* fast path, 3-at-a-time */
>         bin=*inu;			   /* 3 digits ready for convert */
>         digits-=3;		   /* [may go negative] */



  reply	other threads:[~2022-11-10 13:42 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-10 13:11 [PATCH] libdecnumber/dpd/decimal64: Fix compiler warning from Clang 15 Thomas Huth
2022-11-10 13:41 ` Cédric Le Goater [this message]
2022-11-10 20:00 ` Philippe Mathieu-Daudé
2022-11-11  7:43   ` Thomas Huth
2022-11-11 10:09     ` Philippe Mathieu-Daudé

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