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

[Erik Lindahl]

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
> -- 
> Gromacs Developers mailing list
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