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Make EIGEN_ALIGN16 always align to fix crashes with EIGEN_DONT_ALIGN_STATICALLY. New macro EIGEN_USER_ALIGN16 had the old behavior i.e. honors user preference.

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This commit is contained in:
Benoit Jacob 2011-03-04 09:57:49 -05:00
parent e9868f438b
commit 56818d907e
2 changed files with 11 additions and 5 deletions
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4
Eigen/src/Core/DenseStorage.h
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@ -65,7 +65,7 @@ struct plain_array
template <typename T, int Size, int MatrixOrArrayOptions>
struct plain_array<T, Size, MatrixOrArrayOptions, 16>
{
EIGEN_ALIGN16 T array[Size];
EIGEN_USER_ALIGN16 T array[Size];
plain_array() { EIGEN_MAKE_UNALIGNED_ARRAY_ASSERT(0xf) }
plain_array(constructor_without_unaligned_array_assert) {}
};
@ -73,7 +73,7 @@ struct plain_array<T, Size, MatrixOrArrayOptions, 16>
template <typename T, int MatrixOrArrayOptions, int Alignment>
struct plain_array<T, 0, MatrixOrArrayOptions, Alignment>
{
EIGEN_ALIGN16 T array[1];
EIGEN_USER_ALIGN16 T array[1];
plain_array() {}
plain_array(constructor_without_unaligned_array_assert) {}
};

12
Eigen/src/Core/util/Macros.h
View File

@ -261,9 +261,7 @@
* If we made alignment depend on whether or not EIGEN_VECTORIZE is defined, it would be impossible to link
* vectorized and non-vectorized code.
*/
#if !EIGEN_ALIGN_STATICALLY
#define EIGEN_ALIGN_TO_BOUNDARY(n)
#elif (defined __GNUC__) || (defined __PGI) || (defined __IBMCPP__)
#if (defined __GNUC__) || (defined __PGI) || (defined __IBMCPP__)
#define EIGEN_ALIGN_TO_BOUNDARY(n) __attribute__((aligned(n)))
#elif (defined _MSC_VER)
#define EIGEN_ALIGN_TO_BOUNDARY(n) __declspec(align(n))
@ -276,6 +274,14 @@
#define EIGEN_ALIGN16 EIGEN_ALIGN_TO_BOUNDARY(16)
#if EIGEN_ALIGN_STATICALLY
#define EIGEN_USER_ALIGN_TO_BOUNDARY(n) EIGEN_ALIGN_TO_BOUNDARY(n)
#define EIGEN_USER_ALIGN16 EIGEN_ALIGN16
#else
#define EIGEN_USER_ALIGN_TO_BOUNDARY(n)
#define EIGEN_USER_ALIGN16
#endif
#ifdef EIGEN_DONT_USE_RESTRICT_KEYWORD
#define EIGEN_RESTRICT
#endif