From 6793af8d8b370cefc0a1fccbcf1c9fd1a24c7378 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Tue, 21 Jan 2020 12:14:36 -0500
Subject: [PATCH] these are not real cpu features

---
 lib/std/target/x86.zig | 24 ------------------------
 1 file changed, 24 deletions(-)

diff --git a/lib/std/target/x86.zig b/lib/std/target/x86.zig
index 7f1ec42dab..ce9830f1fa 100644
--- a/lib/std/target/x86.zig
+++ b/lib/std/target/x86.zig
@@ -2,12 +2,9 @@ const std = @import("../std.zig");
 const Cpu = std.Target.Cpu;
 
 pub const Feature = enum {
-    @"16bit_mode",
-    @"32bit_mode",
     @"3dnow",
     @"3dnowa",
     @"64bit",
-    @"64bit_mode",
     adx,
     aes,
     avx,
@@ -134,20 +131,6 @@ pub const all_features = blk: {
     const len = @typeInfo(Feature).Enum.fields.len;
     std.debug.assert(len <= Cpu.Feature.Set.bit_count);
     var result: [len]Cpu.Feature = undefined;
-    result[@enumToInt(Feature.@"16bit_mode")] = .{
-        .index = @enumToInt(Feature.@"16bit_mode"),
-        .name = @tagName(Feature.@"16bit_mode"),
-        .llvm_name = "16bit-mode",
-        .description = "16-bit mode (i8086)",
-        .dependencies = featureSet(&[_]Feature{}),
-    };
-    result[@enumToInt(Feature.@"32bit_mode")] = .{
-        .index = @enumToInt(Feature.@"32bit_mode"),
-        .name = @tagName(Feature.@"32bit_mode"),
-        .llvm_name = "32bit-mode",
-        .description = "32-bit mode (80386)",
-        .dependencies = featureSet(&[_]Feature{}),
-    };
     result[@enumToInt(Feature.@"3dnow")] = .{
         .index = @enumToInt(Feature.@"3dnow"),
         .name = @tagName(Feature.@"3dnow"),
@@ -173,13 +156,6 @@ pub const all_features = blk: {
         .description = "Support 64-bit instructions",
         .dependencies = featureSet(&[_]Feature{}),
     };
-    result[@enumToInt(Feature.@"64bit_mode")] = .{
-        .index = @enumToInt(Feature.@"64bit_mode"),
-        .name = @tagName(Feature.@"64bit_mode"),
-        .llvm_name = "64bit-mode",
-        .description = "64-bit mode (x86_64)",
-        .dependencies = featureSet(&[_]Feature{}),
-    };
     result[@enumToInt(Feature.adx)] = .{
         .index = @enumToInt(Feature.adx),
         .name = @tagName(Feature.adx),