From 638554544a27018fea2243bc69b6ca4ebef8d1e5 Mon Sep 17 00:00:00 2001
From: Noam Preil <pleasantatk@gmail.com>
Date: Sun, 17 May 2020 04:06:17 -0400
Subject: [PATCH] Fix a dumb (thanks daurminator!)

---
 src-self-hosted/backend/x86_64.zig | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/src-self-hosted/backend/x86_64.zig b/src-self-hosted/backend/x86_64.zig
index 50b5d3127..2d63dd9aa 100644
--- a/src-self-hosted/backend/x86_64.zig
+++ b/src-self-hosted/backend/x86_64.zig
@@ -35,13 +35,7 @@ pub const Register = enum(u8) {
     }
 
     pub fn id(self: @This()) u4 {
-        return @intCast(u4, switch (@enumToInt(self)) {
-            0...15 => |i| i,
-            16...31 => |i| i - 16,
-            32...47 => |i| i - 32,
-            48...64 => |i| i - 48,
-            else => unreachable,
-        });
+        return @truncate(u4, @enumToInt(self));
     }
     
 };