https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64783
--- Comment #3 from mwahab at gcc dot gnu.org --- I've just noticed this has been assigned to me. Support for -march=armv8.1-a has been added to the Aarch64 backend, the ARM backend is still to be done. Author: mwahab Date: Tue Jun 16 13:38:37 2015 New Revision: 224519 URL: https://gcc.gnu.org/viewcvs?rev=224519&root=gcc&view=rev Log: 2015-06-16 Matthew Wahab <matthew.wa...@arm.com> * config/aarch64/aarch64-arches.def: Add "armv8.1-a". * config/aarch64/aarch64-options-extensions.def: Update "fP", "simd" and "crypto". Add "lse", "pan", "lor" and "rdma". * gcc/config/aarch64/aarch64.h (AARCH64_FL_LSE): New. (AARCH64_FL_PAN): New. (AARCH64_FL_LOR): New. (AARCH64_FL_RDMA): New. (AARCH64_FL_FOR_ARCH8_1): New. * doc/invoke.texi (AArch64 Options): Add "armv8.1-a" to -march. Add "lse", "pan", "lor", "rdma" to feature modifiers. Modified: trunk/gcc/ChangeLog trunk/gcc/config/aarch64/aarch64-arches.def trunk/gcc/config/aarch64/aarch64-option-extensions.def trunk/gcc/config/aarch64/aarch64.h trunk/gcc/doc/invoke.texi