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Check for the macro __ARM_NEON__ (with two underscores at the end) as well as __ARM_NEON. The second macro is correct according to the ARM language extensions specification, but historically the first one has been more common. Some older compilers (e.g. gcc v4.6 on a Beaglebone Black) only define the first, so without this patch NEON isn't enabled.

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This commit is contained in:
Pete Warden 2015-05-12 16:03:43 -07:00
parent a852001196
commit 140f85bb99
1 changed files with 1 additions and 1 deletions
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Eigen/Core
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@ -178,7 +178,7 @@
#undef bool
#undef vector
#undef pixel
#elif defined __ARM_NEON
#elif (defined __ARM_NEON) || (defined __ARM_NEON__)
#define EIGEN_VECTORIZE
#define EIGEN_VECTORIZE_NEON
#include <arm_neon.h>