update x86 CPU features

1 files changed, 475 insertions, 212 deletions

diff --git a/lib/std/target/x86.zig b/lib/std/target/x86.zig
index 1a52162969..34fb64d7cc 100644
--- a/lib/std/target/x86.zig
+++ b/lib/std/target/x86.zig
@@ -1,13 +1,12 @@
-// SPDX-License-Identifier: MIT
-// Copyright (c) 2015-2021 Zig Contributors
-// This file is part of [zig](https://ziglang.org/), which is MIT licensed.
-// The MIT license requires this copyright notice to be included in all copies
-// and substantial portions of the software.
+//! This file is auto-generated by tools/update_cpu_features.zig.
+
 const std = @import("../std.zig");
 const CpuFeature = std.Target.Cpu.Feature;
 const CpuModel = std.Target.Cpu.Model;
 
 pub const Feature = enum {
+    @"16bit_mode",
+    @"32bit_mode",
     @"3dnow",
     @"3dnowa",
     @"64bit",
@@ -154,6 +153,16 @@ pub const all_features = blk: {
     const len = @typeInfo(Feature).Enum.fields.len;
     std.debug.assert(len <= CpuFeature.Set.needed_bit_count);
     var result: [len]CpuFeature = undefined;
+    result[@enumToInt(Feature.@"16bit_mode")] = .{
+        .llvm_name = "16bit-mode",
+        .description = "16-bit mode (i8086)",
+        .dependencies = featureSet(&[_]Feature{}),
+    };
+    result[@enumToInt(Feature.@"32bit_mode")] = .{
+        .llvm_name = "32bit-mode",
+        .description = "32-bit mode (80386)",
+        .dependencies = featureSet(&[_]Feature{}),
+    };
     result[@enumToInt(Feature.@"3dnow")] = .{
         .llvm_name = "3dnow",
         .description = "Enable 3DNow! instructions",
@@ -960,8 +969,6 @@ pub const cpu = struct {
             .@"64bit",
             .adx,
             .aes,
-            .avx,
-            .avx2,
             .avxvnni,
             .bmi,
             .bmi2,
@@ -969,15 +976,23 @@ pub const cpu = struct {
             .clflushopt,
             .cmov,
             .cx16,
-            .cx8,
             .ermsb,
             .f16c,
+            .false_deps_popcnt,
+            .fast_15bytenop,
+            .fast_gather,
+            .fast_scalar_fsqrt,
+            .fast_shld_rotate,
+            .fast_variable_shuffle,
+            .fast_vector_fsqrt,
             .fma,
             .fsgsbase,
             .fxsr,
             .hreset,
+            .idivq_to_divl,
             .invpcid,
             .lzcnt,
+            .macrofusion,
             .mmx,
             .movbe,
             .nopl,
@@ -990,11 +1005,10 @@ pub const cpu = struct {
             .sahf,
             .serialize,
             .sgx,
-            .sse2,
-            .sse4_2,
+            .slow_3ops_lea,
+            .vzeroupper,
             .waitpkg,
             .x87,
-            .xsave,
             .xsavec,
             .xsaveopt,
             .xsaves,
@@ -1008,14 +1022,16 @@ pub const cpu = struct {
             .@"64bit",
             .cmov,
             .cx16,
-            .cx8,
+            .fast_scalar_shift_masks,
             .fxsr,
             .lzcnt,
             .nopl,
             .popcnt,
             .prfchw,
             .sahf,
+            .slow_shld,
             .sse4a,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -1027,6 +1043,9 @@ pub const cpu = struct {
             .cmov,
             .cx8,
             .nopl,
+            .slow_shld,
+            .slow_unaligned_mem_16,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -1039,7 +1058,10 @@ pub const cpu = struct {
             .cx8,
             .fxsr,
             .nopl,
+            .slow_shld,
+            .slow_unaligned_mem_16,
             .sse,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -1051,9 +1073,13 @@ pub const cpu = struct {
             .@"64bit",
             .cmov,
             .cx8,
+            .fast_scalar_shift_masks,
             .fxsr,
             .nopl,
+            .slow_shld,
+            .slow_unaligned_mem_16,
             .sse2,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -1066,7 +1092,10 @@ pub const cpu = struct {
             .cx8,
             .fxsr,
             .nopl,
+            .slow_shld,
+            .slow_unaligned_mem_16,
             .sse,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -1078,6 +1107,9 @@ pub const cpu = struct {
             .cmov,
             .cx8,
             .nopl,
+            .slow_shld,
+            .slow_unaligned_mem_16,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -1090,7 +1122,10 @@ pub const cpu = struct {
             .cx8,
             .fxsr,
             .nopl,
+            .slow_shld,
+            .slow_unaligned_mem_16,
             .sse,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -1102,9 +1137,13 @@ pub const cpu = struct {
             .@"64bit",
             .cmov,
             .cx8,
+            .fast_scalar_shift_masks,
             .fxsr,
             .nopl,
+            .slow_shld,
+            .slow_unaligned_mem_16,
             .sse2,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -1116,10 +1155,13 @@ pub const cpu = struct {
             .@"64bit",
             .cmov,
             .cx16,
-            .cx8,
+            .fast_scalar_shift_masks,
             .fxsr,
             .nopl,
+            .slow_shld,
+            .slow_unaligned_mem_16,
             .sse3,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -1130,13 +1172,20 @@ pub const cpu = struct {
             .@"64bit",
             .cmov,
             .cx16,
-            .cx8,
             .fxsr,
+            .idivl_to_divb,
+            .idivq_to_divl,
+            .lea_sp,
+            .lea_uses_ag,
             .mmx,
             .movbe,
             .nopl,
+            .pad_short_functions,
             .sahf,
+            .slow_two_mem_ops,
+            .slow_unaligned_mem_16,
             .ssse3,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -1148,14 +1197,16 @@ pub const cpu = struct {
             .@"64bit",
             .cmov,
             .cx16,
-            .cx8,
+            .fast_scalar_shift_masks,
             .fxsr,
             .lzcnt,
             .nopl,
             .popcnt,
             .prfchw,
             .sahf,
+            .slow_shld,
             .sse4a,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -1165,9 +1216,11 @@ pub const cpu = struct {
         .features = featureSet(&[_]Feature{
             .@"64bit",
             .aes,
+            .branchfusion,
             .cmov,
             .cx16,
-            .cx8,
+            .fast_11bytenop,
+            .fast_scalar_shift_masks,
             .fxsr,
             .lwp,
             .lzcnt,
@@ -1177,6 +1230,8 @@ pub const cpu = struct {
             .popcnt,
             .prfchw,
             .sahf,
+            .slow_shld,
+            .vzeroupper,
             .x87,
             .xop,
             .xsave,
@@ -1189,11 +1244,13 @@ pub const cpu = struct {
             .@"64bit",
             .aes,
             .bmi,
+            .branchfusion,
             .cmov,
             .cx16,
-            .cx8,
             .f16c,
+            .fast_11bytenop,
             .fast_bextr,
+            .fast_scalar_shift_masks,
             .fma,
             .fxsr,
             .lwp,
@@ -1204,7 +1261,9 @@ pub const cpu = struct {
             .popcnt,
             .prfchw,
             .sahf,
+            .slow_shld,
             .tbm,
+            .vzeroupper,
             .x87,
             .xop,
             .xsave,
@@ -1217,11 +1276,13 @@ pub const cpu = struct {
             .@"64bit",
             .aes,
             .bmi,
+            .branchfusion,
             .cmov,
             .cx16,
-            .cx8,
             .f16c,
+            .fast_11bytenop,
             .fast_bextr,
+            .fast_scalar_shift_masks,
             .fma,
             .fsgsbase,
             .fxsr,
@@ -1233,10 +1294,11 @@ pub const cpu = struct {
             .popcnt,
             .prfchw,
             .sahf,
+            .slow_shld,
             .tbm,
+            .vzeroupper,
             .x87,
             .xop,
-            .xsave,
             .xsaveopt,
         }),
     };
@@ -1249,11 +1311,13 @@ pub const cpu = struct {
             .avx2,
             .bmi,
             .bmi2,
+            .branchfusion,
             .cmov,
             .cx16,
-            .cx8,
             .f16c,
+            .fast_11bytenop,
             .fast_bextr,
+            .fast_scalar_shift_masks,
             .fma,
             .fsgsbase,
             .fxsr,
@@ -1268,10 +1332,11 @@ pub const cpu = struct {
             .prfchw,
             .rdrnd,
             .sahf,
+            .slow_shld,
             .tbm,
+            .vzeroupper,
             .x87,
             .xop,
-            .xsave,
             .xsaveopt,
         }),
     };
@@ -1282,13 +1347,20 @@ pub const cpu = struct {
             .@"64bit",
             .cmov,
             .cx16,
-            .cx8,
             .fxsr,
+            .idivl_to_divb,
+            .idivq_to_divl,
+            .lea_sp,
+            .lea_uses_ag,
             .mmx,
             .movbe,
             .nopl,
+            .pad_short_functions,
             .sahf,
+            .slow_two_mem_ops,
+            .slow_unaligned_mem_16,
             .ssse3,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -1298,20 +1370,26 @@ pub const cpu = struct {
         .features = featureSet(&[_]Feature{
             .@"64bit",
             .adx,
-            .avx,
             .avx2,
             .bmi,
             .bmi2,
             .cmov,
             .cx16,
-            .cx8,
             .ermsb,
             .f16c,
+            .false_deps_lzcnt_tzcnt,
+            .false_deps_popcnt,
+            .fast_15bytenop,
+            .fast_scalar_fsqrt,
+            .fast_shld_rotate,
+            .fast_variable_shuffle,
             .fma,
             .fsgsbase,
             .fxsr,
+            .idivq_to_divl,
             .invpcid,
             .lzcnt,
+            .macrofusion,
             .mmx,
             .movbe,
             .nopl,
@@ -1321,10 +1399,9 @@ pub const cpu = struct {
             .rdrnd,
             .rdseed,
             .sahf,
-            .sse2,
-            .sse4_2,
+            .slow_3ops_lea,
+            .vzeroupper,
             .x87,
-            .xsave,
             .xsaveopt,
         }),
     };
@@ -1335,7 +1412,9 @@ pub const cpu = struct {
             .@"64bit",
             .cmov,
             .cx16,
-            .cx8,
+            .fast_15bytenop,
+            .fast_scalar_shift_masks,
+            .fast_vector_shift_masks,
             .fxsr,
             .lzcnt,
             .mmx,
@@ -1343,8 +1422,10 @@ pub const cpu = struct {
             .popcnt,
             .prfchw,
             .sahf,
+            .slow_shld,
             .sse4a,
             .ssse3,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -1354,12 +1435,16 @@ pub const cpu = struct {
         .features = featureSet(&[_]Feature{
             .@"64bit",
             .aes,
-            .avx,
             .bmi,
             .cmov,
             .cx16,
-            .cx8,
             .f16c,
+            .fast_15bytenop,
+            .fast_bextr,
+            .fast_hops,
+            .fast_lzcnt,
+            .fast_scalar_shift_masks,
+            .fast_vector_shift_masks,
             .fxsr,
             .lzcnt,
             .mmx,
@@ -1369,10 +1454,9 @@ pub const cpu = struct {
             .popcnt,
             .prfchw,
             .sahf,
+            .slow_shld,
             .sse4a,
-            .ssse3,
             .x87,
-            .xsave,
             .xsaveopt,
         }),
     };
@@ -1381,6 +1465,8 @@ pub const cpu = struct {
         .llvm_name = "c3",
         .features = featureSet(&[_]Feature{
             .@"3dnow",
+            .slow_unaligned_mem_16,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -1392,7 +1478,9 @@ pub const cpu = struct {
             .cx8,
             .fxsr,
             .mmx,
+            .slow_unaligned_mem_16,
             .sse,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -1403,12 +1491,8 @@ pub const cpu = struct {
             .@"64bit",
             .adx,
             .aes,
-            .avx,
-            .avx2,
-            .avx512bw,
             .avx512cd,
             .avx512dq,
-            .avx512f,
             .avx512ifma,
             .avx512vbmi,
             .avx512vl,
@@ -1417,30 +1501,35 @@ pub const cpu = struct {
             .clflushopt,
             .cmov,
             .cx16,
-            .cx8,
             .ermsb,
-            .f16c,
-            .fma,
+            .fast_15bytenop,
+            .fast_gather,
+            .fast_scalar_fsqrt,
+            .fast_shld_rotate,
+            .fast_variable_shuffle,
+            .fast_vector_fsqrt,
             .fsgsbase,
             .fxsr,
+            .idivq_to_divl,
             .invpcid,
             .lzcnt,
+            .macrofusion,
             .mmx,
             .movbe,
             .nopl,
             .pclmul,
             .pku,
             .popcnt,
+            .prefer_256_bit,
             .prfchw,
             .rdrnd,
             .rdseed,
             .sahf,
             .sgx,
             .sha,
-            .sse2,
-            .sse4_2,
+            .slow_3ops_lea,
+            .vzeroupper,
             .x87,
-            .xsave,
             .xsavec,
             .xsaveopt,
             .xsaves,
@@ -1453,12 +1542,9 @@ pub const cpu = struct {
             .@"64bit",
             .adx,
             .aes,
-            .avx,
-            .avx2,
             .avx512bw,
             .avx512cd,
             .avx512dq,
-            .avx512f,
             .avx512vl,
             .avx512vnni,
             .bmi,
@@ -1467,28 +1553,34 @@ pub const cpu = struct {
             .clwb,
             .cmov,
             .cx16,
-            .cx8,
             .ermsb,
-            .f16c,
-            .fma,
+            .false_deps_popcnt,
+            .fast_15bytenop,
+            .fast_gather,
+            .fast_scalar_fsqrt,
+            .fast_shld_rotate,
+            .fast_variable_shuffle,
+            .fast_vector_fsqrt,
             .fsgsbase,
             .fxsr,
+            .idivq_to_divl,
             .invpcid,
             .lzcnt,
+            .macrofusion,
             .mmx,
             .movbe,
             .nopl,
             .pclmul,
             .pku,
             .popcnt,
+            .prefer_256_bit,
             .prfchw,
             .rdrnd,
             .rdseed,
             .sahf,
-            .sse2,
-            .sse4_2,
+            .slow_3ops_lea,
+            .vzeroupper,
             .x87,
-            .xsave,
             .xsavec,
             .xsaveopt,
             .xsaves,
@@ -1501,13 +1593,9 @@ pub const cpu = struct {
             .@"64bit",
             .adx,
             .aes,
-            .avx,
-            .avx2,
             .avx512bf16,
-            .avx512bw,
             .avx512cd,
             .avx512dq,
-            .avx512f,
             .avx512vl,
             .avx512vnni,
             .bmi,
@@ -1516,28 +1604,34 @@ pub const cpu = struct {
             .clwb,
             .cmov,
             .cx16,
-            .cx8,
             .ermsb,
-            .f16c,
-            .fma,
+            .false_deps_popcnt,
+            .fast_15bytenop,
+            .fast_gather,
+            .fast_scalar_fsqrt,
+            .fast_shld_rotate,
+            .fast_variable_shuffle,
+            .fast_vector_fsqrt,
             .fsgsbase,
             .fxsr,
+            .idivq_to_divl,
             .invpcid,
             .lzcnt,
+            .macrofusion,
             .mmx,
             .movbe,
             .nopl,
             .pclmul,
             .pku,
             .popcnt,
+            .prefer_256_bit,
             .prfchw,
             .rdrnd,
             .rdseed,
             .sahf,
-            .sse2,
-            .sse4_2,
+            .slow_3ops_lea,
+            .vzeroupper,
             .x87,
-            .xsave,
             .xsavec,
             .xsaveopt,
             .xsaves,
@@ -1548,23 +1642,27 @@ pub const cpu = struct {
         .llvm_name = "core-avx-i",
         .features = featureSet(&[_]Feature{
             .@"64bit",
-            .avx,
             .cmov,
             .cx16,
-            .cx8,
             .f16c,
+            .false_deps_popcnt,
+            .fast_15bytenop,
+            .fast_scalar_fsqrt,
+            .fast_shld_rotate,
             .fsgsbase,
             .fxsr,
+            .idivq_to_divl,
+            .macrofusion,
             .mmx,
             .nopl,
             .pclmul,
             .popcnt,
             .rdrnd,
             .sahf,
-            .sse2,
-            .sse4_2,
+            .slow_3ops_lea,
+            .slow_unaligned_mem_32,
+            .vzeroupper,
             .x87,
-            .xsave,
             .xsaveopt,
         }),
     };
@@ -1573,20 +1671,26 @@ pub const cpu = struct {
         .llvm_name = "core-avx2",
         .features = featureSet(&[_]Feature{
             .@"64bit",
-            .avx,
             .avx2,
             .bmi,
             .bmi2,
             .cmov,
             .cx16,
-            .cx8,
             .ermsb,
             .f16c,
+            .false_deps_lzcnt_tzcnt,
+            .false_deps_popcnt,
+            .fast_15bytenop,
+            .fast_scalar_fsqrt,
+            .fast_shld_rotate,
+            .fast_variable_shuffle,
             .fma,
             .fsgsbase,
             .fxsr,
+            .idivq_to_divl,
             .invpcid,
             .lzcnt,
+            .macrofusion,
             .mmx,
             .movbe,
             .nopl,
@@ -1594,10 +1698,9 @@ pub const cpu = struct {
             .popcnt,
             .rdrnd,
             .sahf,
-            .sse2,
-            .sse4_2,
+            .slow_3ops_lea,
+            .vzeroupper,
             .x87,
-            .xsave,
             .xsaveopt,
         }),
     };
@@ -1608,12 +1711,14 @@ pub const cpu = struct {
             .@"64bit",
             .cmov,
             .cx16,
-            .cx8,
             .fxsr,
+            .macrofusion,
             .mmx,
             .nopl,
             .sahf,
+            .slow_unaligned_mem_16,
             .ssse3,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -1624,14 +1729,14 @@ pub const cpu = struct {
             .@"64bit",
             .cmov,
             .cx16,
-            .cx8,
             .fxsr,
+            .macrofusion,
             .mmx,
             .nopl,
             .popcnt,
             .sahf,
-            .sse2,
             .sse4_2,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -1643,17 +1748,22 @@ pub const cpu = struct {
             .avx,
             .cmov,
             .cx16,
-            .cx8,
+            .false_deps_popcnt,
+            .fast_15bytenop,
+            .fast_scalar_fsqrt,
+            .fast_shld_rotate,
             .fxsr,
+            .idivq_to_divl,
+            .macrofusion,
             .mmx,
             .nopl,
             .pclmul,
             .popcnt,
             .sahf,
-            .sse2,
-            .sse4_2,
+            .slow_3ops_lea,
+            .slow_unaligned_mem_32,
+            .vzeroupper,
             .x87,
-            .xsave,
             .xsaveopt,
         }),
     };
@@ -1661,7 +1771,13 @@ pub const cpu = struct {
         .name = "generic",
         .llvm_name = "generic",
         .features = featureSet(&[_]Feature{
+            .@"64bit",
             .cx8,
+            .idivq_to_divl,
+            .macrofusion,
+            .slow_3ops_lea,
+            .slow_incdec,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -1671,6 +1787,8 @@ pub const cpu = struct {
         .features = featureSet(&[_]Feature{
             .@"3dnowa",
             .cx8,
+            .slow_unaligned_mem_16,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -1683,7 +1801,7 @@ pub const cpu = struct {
             .clflushopt,
             .cmov,
             .cx16,
-            .cx8,
+            .false_deps_popcnt,
             .fsgsbase,
             .fxsr,
             .mmx,
@@ -1696,10 +1814,13 @@ pub const cpu = struct {
             .rdseed,
             .sahf,
             .sha,
+            .slow_incdec,
+            .slow_lea,
+            .slow_two_mem_ops,
             .sse4_2,
-            .ssse3,
+            .use_glm_div_sqrt_costs,
+            .vzeroupper,
             .x87,
-            .xsave,
             .xsavec,
             .xsaveopt,
             .xsaves,
@@ -1714,7 +1835,6 @@ pub const cpu = struct {
             .clflushopt,
             .cmov,
             .cx16,
-            .cx8,
             .fsgsbase,
             .fxsr,
             .mmx,
@@ -1730,10 +1850,13 @@ pub const cpu = struct {
             .sahf,
             .sgx,
             .sha,
+            .slow_incdec,
+            .slow_lea,
+            .slow_two_mem_ops,
             .sse4_2,
-            .ssse3,
+            .use_glm_div_sqrt_costs,
+            .vzeroupper,
             .x87,
-            .xsave,
             .xsavec,
             .xsaveopt,
             .xsaves,
@@ -1744,20 +1867,26 @@ pub const cpu = struct {
         .llvm_name = "haswell",
         .features = featureSet(&[_]Feature{
             .@"64bit",
-            .avx,
             .avx2,
             .bmi,
             .bmi2,
             .cmov,
             .cx16,
-            .cx8,
             .ermsb,
             .f16c,
+            .false_deps_lzcnt_tzcnt,
+            .false_deps_popcnt,
+            .fast_15bytenop,
+            .fast_scalar_fsqrt,
+            .fast_shld_rotate,
+            .fast_variable_shuffle,
             .fma,
             .fsgsbase,
             .fxsr,
+            .idivq_to_divl,
             .invpcid,
             .lzcnt,
+            .macrofusion,
             .mmx,
             .movbe,
             .nopl,
@@ -1765,10 +1894,9 @@ pub const cpu = struct {
             .popcnt,
             .rdrnd,
             .sahf,
-            .sse2,
-            .sse4_2,
+            .slow_3ops_lea,
+            .vzeroupper,
             .x87,
-            .xsave,
             .xsaveopt,
         }),
     };
@@ -1776,6 +1904,8 @@ pub const cpu = struct {
         .name = "_i386",
         .llvm_name = "i386",
         .features = featureSet(&[_]Feature{
+            .slow_unaligned_mem_16,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -1783,6 +1913,8 @@ pub const cpu = struct {
         .name = "_i486",
         .llvm_name = "i486",
         .features = featureSet(&[_]Feature{
+            .slow_unaligned_mem_16,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -1791,6 +1923,8 @@ pub const cpu = struct {
         .llvm_name = "i586",
         .features = featureSet(&[_]Feature{
             .cx8,
+            .slow_unaligned_mem_16,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -1800,6 +1934,8 @@ pub const cpu = struct {
         .features = featureSet(&[_]Feature{
             .cmov,
             .cx8,
+            .slow_unaligned_mem_16,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -1809,14 +1945,9 @@ pub const cpu = struct {
         .features = featureSet(&[_]Feature{
             .@"64bit",
             .adx,
-            .aes,
-            .avx,
-            .avx2,
             .avx512bitalg,
-            .avx512bw,
             .avx512cd,
             .avx512dq,
-            .avx512f,
             .avx512ifma,
             .avx512vbmi,
             .avx512vbmi2,
@@ -1829,22 +1960,27 @@ pub const cpu = struct {
             .clwb,
             .cmov,
             .cx16,
-            .cx8,
             .ermsb,
-            .f16c,
-            .fma,
+            .fast_15bytenop,
+            .fast_gather,
+            .fast_scalar_fsqrt,
+            .fast_shld_rotate,
+            .fast_variable_shuffle,
+            .fast_vector_fsqrt,
             .fsgsbase,
             .fsrm,
             .fxsr,
             .gfni,
+            .idivq_to_divl,
             .invpcid,
             .lzcnt,
+            .macrofusion,
             .mmx,
             .movbe,
             .nopl,
-            .pclmul,
             .pku,
             .popcnt,
+            .prefer_256_bit,
             .prfchw,
             .rdpid,
             .rdrnd,
@@ -1852,12 +1988,11 @@ pub const cpu = struct {
             .sahf,
             .sgx,
             .sha,
-            .sse2,
-            .sse4_2,
+            .slow_3ops_lea,
             .vaes,
             .vpclmulqdq,
+            .vzeroupper,
             .x87,
-            .xsave,
             .xsavec,
             .xsaveopt,
             .xsaves,
@@ -1869,14 +2004,9 @@ pub const cpu = struct {
         .features = featureSet(&[_]Feature{
             .@"64bit",
             .adx,
-            .aes,
-            .avx,
-            .avx2,
             .avx512bitalg,
-            .avx512bw,
             .avx512cd,
             .avx512dq,
-            .avx512f,
             .avx512ifma,
             .avx512vbmi,
             .avx512vbmi2,
@@ -1889,23 +2019,28 @@ pub const cpu = struct {
             .clwb,
             .cmov,
             .cx16,
-            .cx8,
             .ermsb,
-            .f16c,
-            .fma,
+            .fast_15bytenop,
+            .fast_gather,
+            .fast_scalar_fsqrt,
+            .fast_shld_rotate,
+            .fast_variable_shuffle,
+            .fast_vector_fsqrt,
             .fsgsbase,
             .fsrm,
             .fxsr,
             .gfni,
+            .idivq_to_divl,
             .invpcid,
             .lzcnt,
+            .macrofusion,
             .mmx,
             .movbe,
             .nopl,
-            .pclmul,
             .pconfig,
             .pku,
             .popcnt,
+            .prefer_256_bit,
             .prfchw,
             .rdpid,
             .rdrnd,
@@ -1913,13 +2048,12 @@ pub const cpu = struct {
             .sahf,
             .sgx,
             .sha,
-            .sse2,
-            .sse4_2,
+            .slow_3ops_lea,
             .vaes,
             .vpclmulqdq,
+            .vzeroupper,
             .wbnoinvd,
             .x87,
-            .xsave,
             .xsavec,
             .xsaveopt,
             .xsaves,
@@ -1930,23 +2064,27 @@ pub const cpu = struct {
         .llvm_name = "ivybridge",
         .features = featureSet(&[_]Feature{
             .@"64bit",
-            .avx,
             .cmov,
             .cx16,
-            .cx8,
             .f16c,
+            .false_deps_popcnt,
+            .fast_15bytenop,
+            .fast_scalar_fsqrt,
+            .fast_shld_rotate,
             .fsgsbase,
             .fxsr,
+            .idivq_to_divl,
+            .macrofusion,
             .mmx,
             .nopl,
             .pclmul,
             .popcnt,
             .rdrnd,
             .sahf,
-            .sse2,
-            .sse4_2,
+            .slow_3ops_lea,
+            .slow_unaligned_mem_32,
+            .vzeroupper,
             .x87,
-            .xsave,
             .xsaveopt,
         }),
     };
@@ -1956,6 +2094,8 @@ pub const cpu = struct {
         .features = featureSet(&[_]Feature{
             .cx8,
             .mmx,
+            .slow_unaligned_mem_16,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -1965,6 +2105,8 @@ pub const cpu = struct {
         .features = featureSet(&[_]Feature{
             .@"3dnow",
             .cx8,
+            .slow_unaligned_mem_16,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -1974,6 +2116,8 @@ pub const cpu = struct {
         .features = featureSet(&[_]Feature{
             .@"3dnow",
             .cx8,
+            .slow_unaligned_mem_16,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -1985,9 +2129,13 @@ pub const cpu = struct {
             .@"64bit",
             .cmov,
             .cx8,
+            .fast_scalar_shift_masks,
             .fxsr,
             .nopl,
+            .slow_shld,
+            .slow_unaligned_mem_16,
             .sse2,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -1999,10 +2147,13 @@ pub const cpu = struct {
             .@"64bit",
             .cmov,
             .cx16,
-            .cx8,
+            .fast_scalar_shift_masks,
             .fxsr,
             .nopl,
+            .slow_shld,
+            .slow_unaligned_mem_16,
             .sse3,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -2015,30 +2166,32 @@ pub const cpu = struct {
             .aes,
             .avx512cd,
             .avx512er,
-            .avx512f,
             .avx512pf,
             .bmi,
             .bmi2,
             .cmov,
             .cx16,
-            .cx8,
-            .f16c,
-            .fma,
+            .fast_gather,
             .fsgsbase,
             .fxsr,
+            .idivq_to_divl,
             .lzcnt,
             .mmx,
             .movbe,
             .nopl,
             .pclmul,
             .popcnt,
+            .prefer_mask_registers,
             .prefetchwt1,
             .prfchw,
             .rdrnd,
             .rdseed,
             .sahf,
+            .slow_3ops_lea,
+            .slow_incdec,
+            .slow_pmaddwd,
+            .slow_two_mem_ops,
             .x87,
-            .xsave,
             .xsaveopt,
         }),
     };
@@ -2051,31 +2204,33 @@ pub const cpu = struct {
             .aes,
             .avx512cd,
             .avx512er,
-            .avx512f,
             .avx512pf,
             .avx512vpopcntdq,
             .bmi,
             .bmi2,
             .cmov,
             .cx16,
-            .cx8,
-            .f16c,
-            .fma,
+            .fast_gather,
             .fsgsbase,
             .fxsr,
+            .idivq_to_divl,
             .lzcnt,
             .mmx,
             .movbe,
             .nopl,
             .pclmul,
             .popcnt,
+            .prefer_mask_registers,
             .prefetchwt1,
             .prfchw,
             .rdrnd,
             .rdseed,
             .sahf,
+            .slow_3ops_lea,
+            .slow_incdec,
+            .slow_pmaddwd,
+            .slow_two_mem_ops,
             .x87,
-            .xsave,
             .xsaveopt,
         }),
     };
@@ -2084,6 +2239,8 @@ pub const cpu = struct {
         .llvm_name = "lakemont",
         .features = featureSet(&[_]Feature{
             .cx8,
+            .slow_unaligned_mem_16,
+            .vzeroupper,
         }),
     };
     pub const nehalem = CpuModel{
@@ -2093,14 +2250,14 @@ pub const cpu = struct {
             .@"64bit",
             .cmov,
             .cx16,
-            .cx8,
             .fxsr,
+            .macrofusion,
             .mmx,
             .nopl,
             .popcnt,
             .sahf,
-            .sse2,
             .sse4_2,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -2111,11 +2268,12 @@ pub const cpu = struct {
             .@"64bit",
             .cmov,
             .cx16,
-            .cx8,
             .fxsr,
             .mmx,
             .nopl,
+            .slow_unaligned_mem_16,
             .sse3,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -2127,9 +2285,13 @@ pub const cpu = struct {
             .@"64bit",
             .cmov,
             .cx8,
+            .fast_scalar_shift_masks,
             .fxsr,
             .nopl,
+            .slow_shld,
+            .slow_unaligned_mem_16,
             .sse2,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -2141,10 +2303,13 @@ pub const cpu = struct {
             .@"64bit",
             .cmov,
             .cx16,
-            .cx8,
+            .fast_scalar_shift_masks,
             .fxsr,
             .nopl,
+            .slow_shld,
+            .slow_unaligned_mem_16,
             .sse3,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -2155,12 +2320,14 @@ pub const cpu = struct {
             .@"64bit",
             .cmov,
             .cx16,
-            .cx8,
             .fxsr,
+            .macrofusion,
             .mmx,
             .nopl,
             .sahf,
+            .slow_unaligned_mem_16,
             .sse4_1,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -2169,6 +2336,8 @@ pub const cpu = struct {
         .llvm_name = "pentium",
         .features = featureSet(&[_]Feature{
             .cx8,
+            .slow_unaligned_mem_16,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -2181,7 +2350,9 @@ pub const cpu = struct {
             .fxsr,
             .mmx,
             .nopl,
+            .slow_unaligned_mem_16,
             .sse2,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -2191,6 +2362,8 @@ pub const cpu = struct {
         .features = featureSet(&[_]Feature{
             .cx8,
             .mmx,
+            .slow_unaligned_mem_16,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -2203,6 +2376,8 @@ pub const cpu = struct {
             .fxsr,
             .mmx,
             .nopl,
+            .slow_unaligned_mem_16,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -2215,7 +2390,9 @@ pub const cpu = struct {
             .fxsr,
             .mmx,
             .nopl,
+            .slow_unaligned_mem_16,
             .sse,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -2228,7 +2405,9 @@ pub const cpu = struct {
             .fxsr,
             .mmx,
             .nopl,
+            .slow_unaligned_mem_16,
             .sse,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -2241,7 +2420,9 @@ pub const cpu = struct {
             .fxsr,
             .mmx,
             .nopl,
+            .slow_unaligned_mem_16,
             .sse2,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -2254,7 +2435,9 @@ pub const cpu = struct {
             .fxsr,
             .mmx,
             .nopl,
+            .slow_unaligned_mem_16,
             .sse2,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -2265,6 +2448,8 @@ pub const cpu = struct {
             .cmov,
             .cx8,
             .nopl,
+            .slow_unaligned_mem_16,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -2277,7 +2462,9 @@ pub const cpu = struct {
             .fxsr,
             .mmx,
             .nopl,
+            .slow_unaligned_mem_16,
             .sse3,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -2289,17 +2476,22 @@ pub const cpu = struct {
             .avx,
             .cmov,
             .cx16,
-            .cx8,
+            .false_deps_popcnt,
+            .fast_15bytenop,
+            .fast_scalar_fsqrt,
+            .fast_shld_rotate,
             .fxsr,
+            .idivq_to_divl,
+            .macrofusion,
             .mmx,
             .nopl,
             .pclmul,
             .popcnt,
             .sahf,
-            .sse2,
-            .sse4_2,
+            .slow_3ops_lea,
+            .slow_unaligned_mem_32,
+            .vzeroupper,
             .x87,
-            .xsave,
             .xsaveopt,
         }),
     };
@@ -2309,18 +2501,12 @@ pub const cpu = struct {
         .features = featureSet(&[_]Feature{
             .@"64bit",
             .adx,
-            .aes,
             .amx_bf16,
             .amx_int8,
-            .amx_tile,
-            .avx,
-            .avx2,
             .avx512bf16,
             .avx512bitalg,
-            .avx512bw,
             .avx512cd,
             .avx512dq,
-            .avx512f,
             .avx512ifma,
             .avx512vbmi,
             .avx512vbmi2,
@@ -2336,26 +2522,31 @@ pub const cpu = struct {
             .clwb,
             .cmov,
             .cx16,
-            .cx8,
             .enqcmd,
             .ermsb,
-            .f16c,
-            .fma,
+            .fast_15bytenop,
+            .fast_gather,
+            .fast_scalar_fsqrt,
+            .fast_shld_rotate,
+            .fast_variable_shuffle,
+            .fast_vector_fsqrt,
             .fsgsbase,
             .fsrm,
             .fxsr,
             .gfni,
+            .idivq_to_divl,
             .invpcid,
             .lzcnt,
+            .macrofusion,
             .mmx,
             .movbe,
             .movdir64b,
             .movdiri,
             .nopl,
-            .pclmul,
             .pconfig,
             .pku,
             .popcnt,
+            .prefer_256_bit,
             .prfchw,
             .ptwrite,
             .rdpid,
@@ -2366,16 +2557,15 @@ pub const cpu = struct {
             .sgx,
             .sha,
             .shstk,
-            .sse2,
-            .sse4_2,
+            .slow_3ops_lea,
             .tsxldtrk,
             .uintr,
             .vaes,
             .vpclmulqdq,
+            .vzeroupper,
             .waitpkg,
             .wbnoinvd,
             .x87,
-            .xsave,
             .xsavec,
             .xsaveopt,
             .xsaves,
@@ -2388,8 +2578,10 @@ pub const cpu = struct {
             .@"64bit",
             .cmov,
             .cx16,
-            .cx8,
+            .false_deps_popcnt,
+            .fast_7bytenop,
             .fxsr,
+            .idivq_to_divl,
             .mmx,
             .movbe,
             .nopl,
@@ -2398,8 +2590,12 @@ pub const cpu = struct {
             .prfchw,
             .rdrnd,
             .sahf,
+            .slow_incdec,
+            .slow_lea,
+            .slow_pmulld,
+            .slow_two_mem_ops,
             .sse4_2,
-            .ssse3,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -2410,12 +2606,9 @@ pub const cpu = struct {
             .@"64bit",
             .adx,
             .aes,
-            .avx,
-            .avx2,
             .avx512bw,
             .avx512cd,
             .avx512dq,
-            .avx512f,
             .avx512vl,
             .bmi,
             .bmi2,
@@ -2423,28 +2616,34 @@ pub const cpu = struct {
             .clwb,
             .cmov,
             .cx16,
-            .cx8,
             .ermsb,
-            .f16c,
-            .fma,
+            .false_deps_popcnt,
+            .fast_15bytenop,
+            .fast_gather,
+            .fast_scalar_fsqrt,
+            .fast_shld_rotate,
+            .fast_variable_shuffle,
+            .fast_vector_fsqrt,
             .fsgsbase,
             .fxsr,
+            .idivq_to_divl,
             .invpcid,
             .lzcnt,
+            .macrofusion,
             .mmx,
             .movbe,
             .nopl,
             .pclmul,
             .pku,
             .popcnt,
+            .prefer_256_bit,
             .prfchw,
             .rdrnd,
             .rdseed,
             .sahf,
-            .sse2,
-            .sse4_2,
+            .slow_3ops_lea,
+            .vzeroupper,
             .x87,
-            .xsave,
             .xsavec,
             .xsaveopt,
             .xsaves,
@@ -2457,21 +2656,28 @@ pub const cpu = struct {
             .@"64bit",
             .adx,
             .aes,
-            .avx,
             .avx2,
             .bmi,
             .bmi2,
             .clflushopt,
             .cmov,
             .cx16,
-            .cx8,
             .ermsb,
             .f16c,
+            .false_deps_popcnt,
+            .fast_15bytenop,
+            .fast_gather,
+            .fast_scalar_fsqrt,
+            .fast_shld_rotate,
+            .fast_variable_shuffle,
+            .fast_vector_fsqrt,
             .fma,
             .fsgsbase,
             .fxsr,
+            .idivq_to_divl,
             .invpcid,
             .lzcnt,
+            .macrofusion,
             .mmx,
             .movbe,
             .nopl,
@@ -2482,10 +2688,9 @@ pub const cpu = struct {
             .rdseed,
             .sahf,
             .sgx,
-            .sse2,
-            .sse4_2,
+            .slow_3ops_lea,
+            .vzeroupper,
             .x87,
-            .xsave,
             .xsavec,
             .xsaveopt,
             .xsaves,
@@ -2498,12 +2703,9 @@ pub const cpu = struct {
             .@"64bit",
             .adx,
             .aes,
-            .avx,
-            .avx2,
             .avx512bw,
             .avx512cd,
             .avx512dq,
-            .avx512f,
             .avx512vl,
             .bmi,
             .bmi2,
@@ -2511,28 +2713,34 @@ pub const cpu = struct {
             .clwb,
             .cmov,
             .cx16,
-            .cx8,
             .ermsb,
-            .f16c,
-            .fma,
+            .false_deps_popcnt,
+            .fast_15bytenop,
+            .fast_gather,
+            .fast_scalar_fsqrt,
+            .fast_shld_rotate,
+            .fast_variable_shuffle,
+            .fast_vector_fsqrt,
             .fsgsbase,
             .fxsr,
+            .idivq_to_divl,
             .invpcid,
             .lzcnt,
+            .macrofusion,
             .mmx,
             .movbe,
             .nopl,
             .pclmul,
             .pku,
             .popcnt,
+            .prefer_256_bit,
             .prfchw,
             .rdrnd,
             .rdseed,
             .sahf,
-            .sse2,
-            .sse4_2,
+            .slow_3ops_lea,
+            .vzeroupper,
             .x87,
-            .xsave,
             .xsavec,
             .xsaveopt,
             .xsaves,
@@ -2545,8 +2753,10 @@ pub const cpu = struct {
             .@"64bit",
             .cmov,
             .cx16,
-            .cx8,
+            .false_deps_popcnt,
+            .fast_7bytenop,
             .fxsr,
+            .idivq_to_divl,
             .mmx,
             .movbe,
             .nopl,
@@ -2555,8 +2765,12 @@ pub const cpu = struct {
             .prfchw,
             .rdrnd,
             .sahf,
+            .slow_incdec,
+            .slow_lea,
+            .slow_pmulld,
+            .slow_two_mem_ops,
             .sse4_2,
-            .ssse3,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -2566,14 +2780,9 @@ pub const cpu = struct {
         .features = featureSet(&[_]Feature{
             .@"64bit",
             .adx,
-            .aes,
-            .avx,
-            .avx2,
             .avx512bitalg,
-            .avx512bw,
             .avx512cd,
             .avx512dq,
-            .avx512f,
             .avx512ifma,
             .avx512vbmi,
             .avx512vbmi2,
@@ -2587,24 +2796,29 @@ pub const cpu = struct {
             .clwb,
             .cmov,
             .cx16,
-            .cx8,
             .ermsb,
-            .f16c,
-            .fma,
+            .fast_15bytenop,
+            .fast_gather,
+            .fast_scalar_fsqrt,
+            .fast_shld_rotate,
+            .fast_variable_shuffle,
+            .fast_vector_fsqrt,
             .fsgsbase,
             .fsrm,
             .fxsr,
             .gfni,
+            .idivq_to_divl,
             .invpcid,
             .lzcnt,
+            .macrofusion,
             .mmx,
             .movbe,
             .movdir64b,
             .movdiri,
             .nopl,
-            .pclmul,
             .pku,
             .popcnt,
+            .prefer_256_bit,
             .prfchw,
             .rdpid,
             .rdrnd,
@@ -2613,12 +2827,11 @@ pub const cpu = struct {
             .sgx,
             .sha,
             .shstk,
-            .sse2,
-            .sse4_2,
+            .slow_3ops_lea,
             .vaes,
             .vpclmulqdq,
+            .vzeroupper,
             .x87,
-            .xsave,
             .xsavec,
             .xsaveopt,
             .xsaves,
@@ -2634,7 +2847,6 @@ pub const cpu = struct {
             .clwb,
             .cmov,
             .cx16,
-            .cx8,
             .fsgsbase,
             .fxsr,
             .gfni,
@@ -2651,10 +2863,13 @@ pub const cpu = struct {
             .sahf,
             .sgx,
             .sha,
+            .slow_incdec,
+            .slow_lea,
+            .slow_two_mem_ops,
             .sse4_2,
-            .ssse3,
+            .use_glm_div_sqrt_costs,
+            .vzeroupper,
             .x87,
-            .xsave,
             .xsavec,
             .xsaveopt,
             .xsaves,
@@ -2667,15 +2882,15 @@ pub const cpu = struct {
             .@"64bit",
             .cmov,
             .cx16,
-            .cx8,
             .fxsr,
+            .macrofusion,
             .mmx,
             .nopl,
             .pclmul,
             .popcnt,
             .sahf,
-            .sse2,
             .sse4_2,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -2684,6 +2899,8 @@ pub const cpu = struct {
         .llvm_name = "winchip-c6",
         .features = featureSet(&[_]Feature{
             .mmx,
+            .slow_unaligned_mem_16,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -2692,6 +2909,8 @@ pub const cpu = struct {
         .llvm_name = "winchip2",
         .features = featureSet(&[_]Feature{
             .@"3dnow",
+            .slow_unaligned_mem_16,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -2703,9 +2922,14 @@ pub const cpu = struct {
             .cmov,
             .cx8,
             .fxsr,
+            .idivq_to_divl,
+            .macrofusion,
             .mmx,
             .nopl,
+            .slow_3ops_lea,
+            .slow_incdec,
             .sse2,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -2716,14 +2940,21 @@ pub const cpu = struct {
             .@"64bit",
             .cmov,
             .cx16,
-            .cx8,
+            .false_deps_popcnt,
+            .fast_15bytenop,
+            .fast_scalar_fsqrt,
+            .fast_shld_rotate,
             .fxsr,
+            .idivq_to_divl,
+            .macrofusion,
             .mmx,
             .nopl,
             .popcnt,
             .sahf,
-            .sse2,
+            .slow_3ops_lea,
+            .slow_unaligned_mem_32,
             .sse4_2,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -2737,18 +2968,25 @@ pub const cpu = struct {
             .bmi2,
             .cmov,
             .cx16,
-            .cx8,
             .f16c,
+            .false_deps_lzcnt_tzcnt,
+            .false_deps_popcnt,
+            .fast_15bytenop,
+            .fast_scalar_fsqrt,
+            .fast_shld_rotate,
+            .fast_variable_shuffle,
             .fma,
             .fxsr,
+            .idivq_to_divl,
             .lzcnt,
+            .macrofusion,
             .mmx,
             .movbe,
             .nopl,
             .popcnt,
             .sahf,
-            .sse2,
-            .sse4_2,
+            .slow_3ops_lea,
+            .vzeroupper,
             .x87,
             .xsave,
         }),
@@ -2758,7 +2996,6 @@ pub const cpu = struct {
         .llvm_name = "x86-64-v4",
         .features = featureSet(&[_]Feature{
             .@"64bit",
-            .avx2,
             .avx512bw,
             .avx512cd,
             .avx512dq,
@@ -2767,18 +3004,25 @@ pub const cpu = struct {
             .bmi2,
             .cmov,
             .cx16,
-            .cx8,
-            .f16c,
-            .fma,
-            .fxsr,
+            .false_deps_popcnt,
+            .fast_15bytenop,
+            .fast_gather,
+            .fast_scalar_fsqrt,
+            .fast_shld_rotate,
+            .fast_variable_shuffle,
+            .fast_vector_fsqrt,
+            .fxsr,
+            .idivq_to_divl,
             .lzcnt,
+            .macrofusion,
             .mmx,
             .movbe,
             .nopl,
             .popcnt,
+            .prefer_256_bit,
             .sahf,
-            .sse2,
-            .sse4_2,
+            .slow_3ops_lea,
+            .vzeroupper,
             .x87,
             .xsave,
         }),
@@ -2792,7 +3036,9 @@ pub const cpu = struct {
             .fxsr,
             .mmx,
             .nopl,
+            .slow_unaligned_mem_16,
             .sse3,
+            .vzeroupper,
             .x87,
         }),
     };
@@ -2806,11 +3052,16 @@ pub const cpu = struct {
             .avx2,
             .bmi,
             .bmi2,
+            .branchfusion,
             .clflushopt,
             .clzero,
             .cmov,
             .cx16,
             .f16c,
+            .fast_15bytenop,
+            .fast_bextr,
+            .fast_lzcnt,
+            .fast_scalar_shift_masks,
             .fma,
             .fsgsbase,
             .fxsr,
@@ -2826,9 +3077,10 @@ pub const cpu = struct {
             .rdseed,
             .sahf,
             .sha,
+            .slow_shld,
             .sse4a,
+            .vzeroupper,
             .x87,
-            .xsave,
             .xsavec,
             .xsaveopt,
             .xsaves,
@@ -2844,12 +3096,17 @@ pub const cpu = struct {
             .avx2,
             .bmi,
             .bmi2,
+            .branchfusion,
             .clflushopt,
             .clwb,
             .clzero,
             .cmov,
             .cx16,
             .f16c,
+            .fast_15bytenop,
+            .fast_bextr,
+            .fast_lzcnt,
+            .fast_scalar_shift_masks,
             .fma,
             .fsgsbase,
             .fxsr,
@@ -2866,10 +3123,11 @@ pub const cpu = struct {
             .rdseed,
             .sahf,
             .sha,
+            .slow_shld,
             .sse4a,
+            .vzeroupper,
             .wbnoinvd,
             .x87,
-            .xsave,
             .xsavec,
             .xsaveopt,
             .xsaves,
@@ -2881,18 +3139,23 @@ pub const cpu = struct {
         .features = featureSet(&[_]Feature{
             .@"64bit",
             .adx,
-            .aes,
             .avx2,
             .bmi,
             .bmi2,
+            .branchfusion,
             .clflushopt,
             .clwb,
             .clzero,
             .cmov,
             .cx16,
             .f16c,
+            .fast_15bytenop,
+            .fast_bextr,
+            .fast_lzcnt,
+            .fast_scalar_shift_masks,
             .fma,
             .fsgsbase,
+            .fsrm,
             .fxsr,
             .invpcid,
             .lzcnt,
@@ -2900,7 +3163,6 @@ pub const cpu = struct {
             .movbe,
             .mwaitx,
             .nopl,
-            .pclmul,
             .pku,
             .popcnt,
             .prfchw,
@@ -2909,12 +3171,13 @@ pub const cpu = struct {
             .rdseed,
             .sahf,
             .sha,
+            .slow_shld,
             .sse4a,
             .vaes,
             .vpclmulqdq,
+            .vzeroupper,
             .wbnoinvd,
             .x87,
-            .xsave,
             .xsavec,
             .xsaveopt,
             .xsaves,