https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80327 --- Comment #1 from Sven Woop <mail@sven-woop.de> --- This intrinsic is documented here: https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm512_abs_ps&techs=AVX_512&expand=41 This is supported by latest ICC and Clang.