diff options
| -rw-r--r-- | CMakeLists.txt | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index ab006d20f..d5d855183 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -198,6 +198,18 @@ if(MSVC) endif(MSVC) option(EIGEN_TEST_NO_EXPLICIT_VECTORIZATION "Disable explicit vectorization in tests/examples" OFF) +option(EIGEN_TEST_X87 "Force using X87 instructions. Implies no vectorization." OFF) + +if(EIGEN_TEST_X87) + set(EIGEN_TEST_NO_EXPLICIT_VECTORIZATION ON) + if(CMAKE_COMPILER_IS_GNUCXX) + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpmath=387") + message("Forcing use of x87 instructions in tests/examples") + else() + message("EIGEN_TEST_X87 ignored on your compiler") + endif() +endif() + if(EIGEN_TEST_NO_EXPLICIT_VECTORIZATION) add_definitions(-DEIGEN_DONT_VECTORIZE=1) message("Disabling vectorization in tests/examples") |