[Buildroot] [PATCH] gcc: ARC Fix conditional move contstraint.
Vlad Zakharov
Vladislav.Zakharov at synopsys.com
Tue Aug 30 17:44:18 UTC 2016
Hi Thomas,
Looks like I tried to build it in a slightly different conditions.
I reproduced that bug and hope our team will be able to fix the issue soon.
Thank you for your remarks.
--
Best regards,
Vlad Zakharov <vzakhar at synopsys.com>
On Fri, 2016-08-26 at 22:53 +0200, Thomas Petazzoni wrote:
> Vlad, Alexey, Eugeniy,
>
> On Fri, 26 Aug 2016 12:28:32 +0300, Vlad Zakharov wrote:
> >
> > The patch solves one of the ARC internal compiler issues.
> >
> > Fixes:
> > http://autobuild.buildroot.net/results/1c4/1c4493c6a18b7a93a0368420c8f79032f9330891//
> > http://autobuild.buildroot.net/results/510/51071b790866b0c7083de3a94ad2a427009096af//
> > http://autobuild.buildroot.net/results/09e/09e037c628ca2a27d8eb832dd070f50ec7ebb72a//
> FWIW, this last build issue is *not* fixed by this patch. This last
> build failure is on mesa3d, with:
>
> main/get.c: In function '_mesa_GetBooleani_v':
> main/get.c:2320:1: error: insn does not satisfy its constraints:
> }
> ^
> (insn 79 72 80 7 (set (reg/f:SI 147 virtual-stack-vars)
> (reg:SI 2 r2)) main/get.c:2315 3 {*movsi_insn}
> (nil))
> main/get.c:2320:1: internal compiler error: in extract_constrain_insn, at recog.c:2190
> Please submit a full bug report,
> with preprocessed source if appropriate.
> See <http://bugs.buildroot.net/> for instructions.
>
> And the build result
> http://autobuild.buildroot.net/results/5cc/5ccb47e2af780982d71d924ef30008f16573ad73//build-end.log
> is the *exact* same failure, but at commit
> https://git.buildroot.net/buildroot/commit/?id=2567f6f2f34a1ecfc25604bf8bf93b8bc065fc63,
> which is *after* I committed and pushed your ARC fix (and the
> configuration was using the internal toolchain backend, so the
> toolchain was built from scratch).
>
> Best regards,
>
> Thomas
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