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Re: Build error for tst-printf-bz18872 on arm/aarch64
- From: Adhemerval Zanella <adhemerval dot zanella at linaro dot org>
- To: Paul Pluzhnikov <ppluzhnikov at google dot com>
- Cc: Joseph Myers <joseph at codesourcery dot com>, GNU C Library <libc-alpha at sourceware dot org>
- Date: Mon, 21 Sep 2015 11:29:48 -0700
- Subject: Re: Build error for tst-printf-bz18872 on arm/aarch64
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- References: <55FC4EDB dot 3040807 at linaro dot org> <alpine dot DEB dot 2 dot 10 dot 1509181811160 dot 11870 at digraph dot polyomino dot org dot uk> <55FC7496 dot 7050205 at linaro dot org> <CALoOobPhZDRBUTXHgkdC7H9tY8z2DqDY+9_KdOp_XkD=9ois4g at mail dot gmail dot com>
On 19-09-2015 13:29, Paul Pluzhnikov wrote:
> On Fri, Sep 18, 2015 at 1:31 PM,
> Adhemerval Zanella <adhemerval.zanella@linaro.org> wrote:
>
>> I did not dig into this issue from compiler side, bug checking on bugzilla
>> it might due BZ#59884 [1]. Nevertheless this is an existing issue.
>>
>> [1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59884
>
>
> I suppose these pragmas could be made conditional on i386 or x86_64 --
> the problem they are trying to work around is present in the x86 GCC
> backend, but not necessarily in other backends.
>
> Adhemerval,
>
> If you simply delete the #pragma's from generated test source, does
> the resulting source compile with -O2 in reasonable time?
I have not access to an ARM system right now, but it takes about 1m to
build on AArch64 system. It is a look, but it think for a make check
it is still feasible.
>
> Thanks,
>