lib/std/Target/aarch64.zig    | 457 ++++++++++++++++++---
 lib/std/Target/amdgpu.zig     | 270 ++++++++++++-
 lib/std/Target/arm.zig        |  42 +-
 lib/std/Target/bpf.zig        |   7 +
 lib/std/Target/loongarch.zig  |  18 +
 lib/std/Target/nvptx.zig      |  26 ++
 lib/std/Target/powerpc.zig    |   6 +
 lib/std/Target/riscv.zig      | 616 ++++++++++++++++++++++-------
 lib/std/Target/s390x.zig      |   6 +
 lib/std/Target/sparc.zig      | 174 +++++++-
 lib/std/Target/ve.zig         |   4 +-
 lib/std/Target/wasm.zig       |   6 +
 lib/std/Target/x86.zig        | 677 +++++++++++++++++++++++++++++++-
 tools/update_cpu_features.zig |  16 +
 14 files changed, 2119 insertions(+), 206 deletions(-)