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Simplify the ifdef conditions used for vector pragma definitions

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This commit is contained in:
Chuck Atkins 2016-01-13 12:48:03 -05:00
parent 429350ab41
commit 86bb45b9ad
1 changed files with 13 additions and 6 deletions
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13
vtkm/internal/Configure.h.in
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@ -174,23 +174,30 @@
// that should be wrapped around any "for"/"while" that you want vectorized.
// This is used to set per compiler pragmas for vectorization, and to disable
// any warnings that about vectorization failures.
#if defined(VTKM_CLANG) && defined(VTKM_COMPILER_SUPPORTS_VECTOR_PRAGMAS)
#if defined(VTKM_COMPILER_SUPPORTS_VECTOR_PRAGMAS)
#if defined(VTKM_CLANG)
//clang only needs pre loop
#define VTKM_VECTORIZATION_PRE_LOOP \
_Pragma("clang loop vectorize(enable) interleave(enable)")
#define VTKM_VECTORIZATION_IN_LOOP
#elif defined(VTKM_ICC) && defined(VTKM_COMPILER_SUPPORTS_VECTOR_PRAGMAS)
#elif defined(VTKM_ICC)
//icc needs pre and in loop
#define VTKM_VECTORIZATION_PRE_LOOP \
_Pragma("simd")
#define VTKM_VECTORIZATION_IN_LOOP \
_Pragma("forceinline recursive")
#elif defined(VTKM_GCC) && defined(VTKM_COMPILER_SUPPORTS_VECTOR_PRAGMAS)
#elif defined(VTKM_GCC)
//gcc only needs in loop
#define VTKM_VECTORIZATION_PRE_LOOP \
_Pragma("GCC ivdep")
#define VTKM_VECTORIZATION_IN_LOOP
#else
// Compiler is unknown so we don't define any vectortization pragmas
#define VTKM_VECTORIZATION_PRE_LOOP
#define VTKM_VECTORIZATION_IN_LOOP
#endif
#else
// Compiler doesn't support any vectortization pragmas
#define VTKM_VECTORIZATION_PRE_LOOP
#define VTKM_VECTORIZATION_IN_LOOP
#endif