const btver1: CpuModel = .{ .name = "btver1", .llvm_name = "btver1", .features = featureSet(&.{.64bit, .cmov, .cx16, .fast_15bytenop, .fast_scalar_shift_masks, .fast_vector_shift_masks, .fxsr, .lzcnt, .mmx, .nopl, .popcnt, .prfchw, .sahf, .sbb_dep_breaking, .slow_shld, .sse4a, .ssse3, .vzeroupper, .x87}) };