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

Erik Lindahl erik.lindahl at scilifelab.se
Sun Mar 16 11:53:38 CET 2014


Never mind - I did a trivial workaround in https://gerrit.gromacs.org/3272

Cheers,

Erik

On 16 Mar 2014, at 11:46, Mark Abraham <mark.j.abraham at gmail.com> wrote:

> 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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> 
> 
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