[gmx-developers] compilation issues in master with gcc 4.8.2

[Mark Abraham]

Seems like a known bug http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59071.
What optimization level was that, David?

Mark


On Sat, Mar 15, 2014 at 1:43 PM, Erik Lindahl <erik.lindahl at scilifelab.se>wrote:

> I'll create a patch tonight, unless somebody else beats me to it :-)
>
> Cheers,
>
> Erik
>
> On 15 Mar 2014, at 13:39, David van der Spoel <spoel at xray.bmc.uu.se>
> wrote:
>
> On 2014-03-15 12:49, Erik Lindahl wrote:
>
> It might be the sizeof() call that screws things up by returning a 64-bit
> value, in combination with the compiler not understanding that it is a
> constant.
>
> Could you cry changing those sizeof() to "4" and see if that works?
>
> Yes, that works!
>
>
> Cheers,
>
> Erik
>
> --
> Erik Lindahl <erik.lindahl at scilifelab.se>
> Professor of Biophysics
> Science for Life Laboratory
> Stockholm University & KTH
> Office (SciLifeLab): +46 8 524 81567
> Cell (Sweden): +46 73 4618050
> Cell (US): 1 267 307 8746
>
>
> On Mar 15, 2014, at 12:19 PM, David van der Spoel <spoel at xray.bmc.uu.se>
> wrote:
>
> On 2014-03-15 11:44, David van der Spoel wrote:
> In file included from
> /home/spoel/GG/master/gromacs/src/gromacs/simd/simd.h:126:0,
>                  from
> /home/spoel/GG/master/gromacs/src/gromacs/simd/tests/simd.h:79,
>                  from
> /home/spoel/GG/master/gromacs/src/gromacs/simd/tests/simd_integer.cpp:39:
> /home/spoel/GG/master/gromacs/src/gromacs/simd/tests/simd_integer.cpp:
> In member function 'virtual void
> gmx::test::{anonymous}::SimdIntegerTest_gmxSimdExtractI_Test::TestBody()':
>
> /home/spoel/GG/master/gromacs/src/gromacs/simd/impl_x86_sse2/impl_x86_sse2.h:123:92:
> error: the last argument must be an 8-bit immediate
>  #define gmx_simd_extract_fi(x, i)
> _mm_cvtsi128_si32(_mm_srli_si128((x), sizeof(int) * (i)))
>
>                      ^
> /home/spoel/GG/master/gromacs/src/gromacs/simd/simd.h:665:46: note: in
> expansion of macro 'gmx_simd_extract_fi'
>  #    define gmx_simd_extract_i               gmx_simd_extract_fi
>                                               ^
>
> /home/spoel/GG/master/gromacs/src/gromacs/simd/tests/simd_integer.cpp:154:25:
> note: in expansion of macro 'gmx_simd_extract_i'
>          extracted_int = gmx_simd_extract_i(simd, 1);
>                          ^
>
> /home/spoel/GG/master/gromacs/src/gromacs/simd/impl_x86_sse2/impl_x86_sse2.h:123:92:
> error: the last argument must be an 8-bit immediate
>  #define gmx_simd_extract_fi(x, i)
> _mm_cvtsi128_si32(_mm_srli_si128((x), sizeof(int) * (i)))
>
>                      ^
> /home/spoel/GG/master/gromacs/src/gromacs/simd/simd.h:665:46: note: in
> expansion of macro 'gmx_simd_extract_fi'
>  #    define gmx_simd_extract_i               gmx_simd_extract_fi
>                                               ^
>
> /home/spoel/GG/master/gromacs/src/gromacs/simd/tests/simd_integer.cpp:159:25:
> note: in expansion of macro 'gmx_simd_extract_i'
>          extracted_int = gmx_simd_extract_i(simd, 3);
>
> Any clues?
>
> To follow up: it compiles fine with SSE4.1 but not with SSE2.
>
>
> --
> David van der Spoel, Ph.D., Professor of Biology
> Dept. of Cell & Molec. Biol., Uppsala University.
> Box 596, 75124 Uppsala, Sweden. Phone:    +46184714205.
> spoel at xray.bmc.uu.se    http://folding.bmc.uu.se
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>
> --
> David van der Spoel, Ph.D., Professor of Biology
> Dept. of Cell & Molec. Biol., Uppsala University.
> Box 596, 75124 Uppsala, Sweden. Phone: +46184714205.
> spoel at xray.bmc.uu.se    http://folding.bmc.uu.se
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