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provide a static method to describe which SIMD instructions are used

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Thomas Capricelli 2010-02-24 21:52:08 +01:00
parent 0f3d69b65e
commit 00bc535b66
1 changed files with 18 additions and 0 deletions
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18
Eigen/Core
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@ -146,6 +146,24 @@
namespace Eigen {
inline static const char *SimdInstructionsSetInUse(void) {
#if defined(EIGEN_VECTORIZE_SSE4_2)
return "sse, sse2, sse3, ssse3, sse4.1, sse4.2";
#elif defined(EIGEN_VECTORIZE_SSE4_2)
return "sse, sse2, sse3, ssse3, sse4.1";
#elif defined(EIGEN_VECTORIZE_SSSE3)
return "sse, sse2, sse3, ssse3";
#elif defined(EIGEN_VECTORIZE_SSE3)
return "sse, sse2, sse3";
#elif defined(EIGEN_VECTORIZE_SSE2)
return "sse, sse2";
#elif defined(EIGEN_VECTORIZE_ALTIVEC)
return "Altivec";
#else
return "None";
#endif
}
// we use size_t frequently and we'll never remember to prepend it with std:: everytime just to
// ensure QNX/QCC support
using std::size_t;