From d77c037a16e524acf3804f484b6d2c231e3c3880 Mon Sep 17 00:00:00 2001
From: Takashi Kokubun <takashikkbn@gmail.com>
Date: Sun, 4 Sep 2022 23:25:26 -0700
Subject: [PATCH] Automatically detect 64bit platforms

---
 mjit_compiler.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mjit_compiler.rb b/mjit_compiler.rb
index 1255adb71c..148b200200 100644
--- a/mjit_compiler.rb
+++ b/mjit_compiler.rb
@@ -3,12 +3,12 @@
 if RubyVM::MJIT.enabled?
   begin
     require 'etc'
+    require 'fiddle'
   rescue LoadError
     return # skip miniruby
   end
 
-  case RUBY_PLATFORM.split('-', 2).first
-  when 'x86_64', 'aarch64', 'arm64', 's390x'
+  if Fiddle::SIZEOF_VOIDP == 8
     require 'mjit/c_64'
   else
     require 'mjit/c_32'