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Provide EIGEN_ALIGNOF macro, and give handmade_aligned_malloc the possibility for alignments larger than the standard alignment.

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This commit is contained in:
Christoph Hertzberg
2018-09-14 20:17:47 +02:00
parent 9b864cdb37
commit d7378aae8e
2 changed files with 9 additions and 4 deletions
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6
Eigen/src/Core/util/ConfigureVectorization.h
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@@ -39,15 +39,19 @@
*/
#if (defined EIGEN_CUDACC)
#define EIGEN_ALIGN_TO_BOUNDARY(n) __align__(n)
#define EIGEN_ALIGNOF(x) __alignof(x)
#elif EIGEN_COMP_GNUC || EIGEN_COMP_PGI || EIGEN_COMP_IBM || EIGEN_COMP_ARM
#define EIGEN_ALIGN_TO_BOUNDARY(n) __attribute__((aligned(n)))
#define EIGEN_ALIGNOF(x) __alignof(x)
#elif EIGEN_COMP_MSVC
#define EIGEN_ALIGN_TO_BOUNDARY(n) __declspec(align(n))
#define EIGEN_ALIGNOF(x) __alignof(x)
#elif EIGEN_COMP_SUNCC
// FIXME not sure about this one:
#define EIGEN_ALIGN_TO_BOUNDARY(n) __attribute__((aligned(n)))
#define EIGEN_ALIGNOF(x) __alignof(x)
#else
#error Please tell me what is the equivalent of __attribute__((aligned(n))) for your compiler
#error Please tell me what is the equivalent of __attribute__((aligned(n))) and __alignof(x) for your compiler
#endif
// If the user explicitly disable vectorization, then we also disable alignment