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| author |  Gael Guennebaud <g.gael@free.fr> | 2019-11-12 11:40:38 +0100 |
|---|---|---|
| committer | Gael Guennebaud <g.gael@free.fr> | 2019-11-12 11:40:38 +0100 |
| commit | 71aa53dd6dfdc497324d9e87f59c4ba820191856 (patch) | |
| tree | f1907fdd7d85ee56ee84abe5008564c7e6c007b4 | |
| parent | 0ed0338593c2423503de4cd12575a6e47a6e95d1 (diff) | |
Disable AVX on broken xcode versions. See PR 748.
Patch adapted from Hans Johnson's PR 748.
| -rw-r--r-- | Eigen/src/Core/util/ConfigureVectorization.h | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/Eigen/src/Core/util/ConfigureVectorization.h b/Eigen/src/Core/util/ConfigureVectorization.h index 3cf5cb480..fdb1627a1 100644 --- a/Eigen/src/Core/util/ConfigureVectorization.h +++ b/Eigen/src/Core/util/ConfigureVectorization.h @@ -212,7 +212,6 @@ #endif #endif - #if !(defined(EIGEN_DONT_VECTORIZE) || defined(EIGEN_GPUCC)) #if defined (EIGEN_SSE2_ON_NON_MSVC_BUT_NOT_OLD_GCC) || defined(EIGEN_SSE2_ON_MSVC_2008_OR_LATER) @@ -284,6 +283,38 @@ #endif #endif + // Disable AVX support on broken xcode versions + #if defined(__apple_build_version__) && (__apple_build_version__ == 11000033 ) && ( __MAC_OS_X_VERSION_MIN_REQUIRED == 101500 ) + // A nasty bug in the clang compiler shipped with xcode in a common compilation situation + // when XCode 11.0 and Mac deployment target macOS 10.15 is https://trac.macports.org/ticket/58776#no1 + #ifdef EIGEN_VECTORIZE_AVX + #undef EIGEN_VECTORIZE_AVX + #warning "Disabling AVX support: clang compiler shipped with XCode 11.[012] generates broken assembly with -macosx-version-min=10.15 and AVX enabled. " + #ifdef EIGEN_VECTORIZE_AVX2 + #undef EIGEN_VECTORIZE_AVX2 + #endif + #ifdef EIGEN_VECTORIZE_FMA + #undef EIGEN_VECTORIZE_FMA + #endif + #ifdef EIGEN_VECTORIZE_AVX512 + #undef EIGEN_VECTORIZE_AVX512 + #endif + #ifdef EIGEN_VECTORIZE_AVX512DQ + #undef EIGEN_VECTORIZE_AVX512DQ + #endif + #ifdef EIGEN_VECTORIZE_AVX512ER + #undef EIGEN_VECTORIZE_AVX512ER + #endif + #endif + // NOTE: Confirmed test failures in XCode 11.0, and XCode 11.2 with -macosx-version-min=10.15 and AVX + // NOTE using -macosx-version-min=10.15 with Xcode 11.0 results in runtime segmentation faults in many tests, 11.2 produce core dumps in 3 tests + // NOTE using -macosx-version-min=10.14 produces functioning and passing tests in all cases + // NOTE __clang_version__ "11.0.0 (clang-1100.0.33.8)" XCode 11.0 <- Produces many segfault and core dumping tests + // with -macosx-version-min=10.15 and AVX + // NOTE __clang_version__ "11.0.0 (clang-1100.0.33.12)" XCode 11.2 <- Produces 3 core dumping tests with + // -macosx-version-min=10.15 and AVX + #endif + // include files // This extern "C" works around a MINGW-w64 compilation issue |