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] */
next prev parent 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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=3a79f03a-52a8-d768-1829-dfc94ef1a4e3@kaod.org \
--to=clg@kaod.org \
--cc=danielhb413@gmail.com \
--cc=david@gibson.dropbear.id.au \
--cc=groug@kaod.org \
--cc=mrezanin@redhat.com \
--cc=qemu-devel@nongnu.org \
--cc=qemu-ppc@nongnu.org \
--cc=qemu-trivial@nongnu.org \
--cc=thuth@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).