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Re: [PATCH] dbl-64/e_sqrt.c: fix -Wunused-variable
- From: Andreas Schwab <schwab at suse dot de>
- To: Yury Norov <ynorov at caviumnetworks dot com>
- Cc: <libc-alpha at sourceware dot org>
- Date: Wed, 23 Nov 2016 17:39:11 +0100
- Subject: Re: [PATCH] dbl-64/e_sqrt.c: fix -Wunused-variable
- Authentication-results: sourceware.org; auth=none
- References: <1476979623-890-1-git-send-email-ynorov@caviumnetworks.com>
On Okt 20 2016, Yury Norov <ynorov@caviumnetworks.com> wrote:
> EMULV() doesn't need p, hx, tx and ty if DLA_FMS is defined.
> If that variables are needed for EMULV() only, GCC warns about
> unused variables, like this:
>
> ../sysdeps/ieee754/dbl-64/e_sqrt.c: In function ‘__ieee754_sqrt’:
> ../sysdeps/ieee754/dbl-64/e_sqrt.c:56:54: warning: unused variable ‘ty’ [-Wunused-variable]
> double y, t, del, res, res1, hy, z, zz, p, hx, tx, ty, s;
> ^
> This patch fixes it for sysdeps/ieee754/dbl-64/e_sqrt.c where it happens.
You only need that because you are getting the sysdep dir order wrong.
This file should not be used on aarch64, but rather the one in
sysdeps/aarch64/fpu.
Andreas.
--
Andreas Schwab, SUSE Labs, schwab@suse.de
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