lib/std/Target.zig            |  8 +++++++
 lib/std/Target/lanai.zig      | 37 ++++++++++++++++++++++++++++++++
 lib/std/Target/xcore.zig      | 37 ++++++++++++++++++++++++++++++++
 tools/update_cpu_features.zig | 13 ++++-------
 4 files changed, 86 insertions(+), 9 deletions(-)