On Wed, 25 Aug 2010 18:19:50 -0500, Barry Smith <bsmith at mcs.anl.gov> wrote: > > libfast in: /users/nyevik/MANUALBUILD/petsc-3.1-p4/src/mat/impls/aij/seq > inode.c: In function 'PetscErrorCode MatMult_SeqAIJ_Inode(_p_Mat*, _p_Vec*, > _p_Vec*)': > inode.c:426: error: invalid conversion from 'int' to '_mm_hint' > inode.c:426: error: initializing argument 2 of 'void _mm_prefetch(const > void*, _mm_hint)' > inode.c:427: error: invalid conversion from 'int' to '_mm_hint' > inode.c:427: error: initializing argument 2 of 'void _mm_prefetch(const > void*, _mm_hint)' > > The PETSc code currently handles all this as the second argument is an int. > This has to be fixed in petsc-dev to handle the case when int cannot be cast > to _mm_hint
The Intel Intrinsics manual [1] specifies that the prototype is void _mm_prefetch(char const *a, int sel) so this compiler is non-conforming. What is it? We may still need a workaround, but should confirm that it has been filed as a bug. Jed [1] see page 77 of http://software.intel.com/file/6373
