From: Waldemar Brodkorb <wbx@openadk.org>
To: buildroot@busybox.net
Subject: [Buildroot] [PATCH] toolchain-wrapper: do not use deprecated -mfused-madd
Date: Fri, 11 Aug 2017 20:11:00 +0200 [thread overview]
Message-ID: <20170811181100.GM28021@waldemar-brodkorb.de> (raw)
In-Reply-To: <7a3aef53-510d-a620-5980-d3c780eb5ddd@mind.be>
Hi Arnout,
Arnout Vandecappelle wrote,
>
>
> On 11-08-17 08:08, Thomas Petazzoni wrote:
> > Hello,
> >
> > On Fri, 11 Aug 2017 07:28:48 +0200, Waldemar Brodkorb wrote:
> >> GCC deprecated -mfused-madd, -ffp-contract=off should
> >> be used for Xburst workaround.
> >> uClibc compilations will fail, because a gcc warning
> >> is emitted while checking for TLS support in the compiler.
> >
> > In which gcc version was -ffp-contract=off added ? Can we use that
> > unconditionally, or is it only available in recent gcc versions ?
>
> And remember that we support GCC down to 4.3 in external toolchains...
The usage for -ffp-contract=off is limited for MIPS32 xburst and
I see only two external toolchains from 2016 for MIPS in
make menuconfig...
best regards
Waldemar
next prev parent reply other threads:[~2017-08-11 18:11 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-11 5:28 [Buildroot] [PATCH] toolchain-wrapper: do not use deprecated -mfused-madd Waldemar Brodkorb
2017-08-11 6:08 ` Thomas Petazzoni
2017-08-11 9:53 ` Arnout Vandecappelle
2017-08-11 18:11 ` Waldemar Brodkorb [this message]
2017-08-11 20:54 ` Arnout Vandecappelle
2017-08-11 17:32 ` Waldemar Brodkorb
2017-08-11 21:00 ` Arnout Vandecappelle
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