https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70479
--- Comment #1 from Kirill Yukhin <kyukhin at gcc dot gnu.org> --- (In reply to Kirill Yukhin from comment #0) > Compile: > GCC: g++ -march=haswell -Ofast -flto -fopenmp-simd -fpermissive m.cpp -o > m.gcc > ICC: icpc -O3 -ipo -fpermissive -xAVX2 -qopenmp m.cpp -o m.icc Correct compile commands (original are for Haswell) GCC: g++ -march=knl -Ofast -flto -fopenmp-simd -fpermissive m.cpp -o m.gcc ICC: icpc -O3 -ipo -fpermissive -xMIC-AVX512 -qopenmp m.cpp -o m.icc
