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Re: [PATCH] Fix PR ipa/68311
- From: Christophe Lyon <christophe dot lyon at linaro dot org>
- To: Richard Biener <richard dot guenther at gmail dot com>
- Cc: Martin LiÅka <mliska at suse dot cz>, GCC Patches <gcc-patches at gcc dot gnu dot org>
- Date: Sat, 14 Nov 2015 09:33:20 +0100
- Subject: Re: [PATCH] Fix PR ipa/68311
- Authentication-results: sourceware.org; auth=none
- References: <5645D1B9 dot 3060706 at suse dot cz> <CAFiYyc1ayquCUDurt57SUje0j0f39yxyEOx7tO+g0LxgbVq-8g at mail dot gmail dot com>
On 13 November 2015 at 13:17, Richard Biener <richard.guenther@gmail.com> wrote:
> On Fri, Nov 13, 2015 at 1:04 PM, Martin LiÅka <mliska@suse.cz> wrote:
>> Hello.
>>
>> Following patch fixes PR68311, can regbootstrap on x86_64-linux-gnu.
>>
>> Ready for trunk?
>
> Please use
>
> auto_vec <congruence_class *, 2> newclasses;
>
> as it gets you a stack allocation. Also use quick_push as you know the vector
> is large enough.
>
> Ok with that changes.
>
> Richard.
>
Hi,
This patch broke the GCC build for armeb in libgfortran:
/tmp/9046893_7.tmpdir/aci-gcc-fsf/sources/gcc-fsf/gccsrc/libgfortran/generated/matmul_i4.c:
In function 'matmul_i4':
/tmp/9046893_7.tmpdir/aci-gcc-fsf/sources/gcc-fsf/gccsrc/libgfortran/generated/matmul_i4.c:79:1:
internal compiler error: in vectorizable_load, at tree-vect-s
tmts.c:6711
matmul_i4 (gfc_array_i4 * const restrict retarray,
^
0xcff5d2 vectorizable_load
/tmp/9046893_7.tmpdir/aci-gcc-fsf/sources/gcc-fsf/gccsrc/gcc/tree-vect-stmts.c:6711
0xd06955 vect_transform_stmt(gimple*, gimple_stmt_iterator*, bool*,
_slp_tree*, _slp_instance*)
/tmp/9046893_7.tmpdir/aci-gcc-fsf/sources/gcc-fsf/gccsrc/gcc/tree-vect-stmts.c:8002
0xd0ec21 vect_transform_loop(_loop_vec_info*)
/tmp/9046893_7.tmpdir/aci-gcc-fsf/sources/gcc-fsf/gccsrc/gcc/tree-vect-loop.c:6793
0xd317c9 vectorize_loops()
/tmp/9046893_7.tmpdir/aci-gcc-fsf/sources/gcc-fsf/gccsrc/gcc/tree-vectorizer.c:533
Please submit a full bug report,
>> Thanks,
>> Martin