From 0f1c7e3bcb2ee0cb38d228ba0d23f52ceef5623c Mon Sep 17 00:00:00 2001
From: Takashi Kokubun <takashikkbn@gmail.com>
Date: Wed, 13 Dec 2023 09:36:06 -0800
Subject: RJIT: Just skip generating code for aarch64/arm64 (#9221)

---
 lib/ruby_vm/rjit/compiler.rb | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'lib/ruby_vm/rjit')

diff --git a/lib/ruby_vm/rjit/compiler.rb b/lib/ruby_vm/rjit/compiler.rb
index 9ae528a0e9..2c4e1d67cf 100644
--- a/lib/ruby_vm/rjit/compiler.rb
+++ b/lib/ruby_vm/rjit/compiler.rb
@@ -59,6 +59,7 @@ module RubyVM::RJIT
     # @param iseq `RubyVM::RJIT::CPointer::Struct_rb_iseq_t`
     # @param cfp `RubyVM::RJIT::CPointer::Struct_rb_control_frame_t`
     def compile(iseq, cfp)
+      return unless supported_platform?
       pc = cfp.pc.to_i
       jit = JITState.new(iseq:, cfp:)
       asm = Assembler.new
@@ -505,5 +506,12 @@ module RubyVM::RJIT
         raise "'#{cond.inspect}' was not true"
       end
     end
+
+    def supported_platform?
+      return @supported_platform if defined?(@supported_platform)
+      @supported_platform = RUBY_PLATFORM.match?(/x86_64/).tap do |supported|
+        warn "warning: RJIT does not support #{RUBY_PLATFORM} yet" unless supported
+      end
+    end
   end
 end
-- 
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