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Move FL_SINGLETON to FL_USER1

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This frees FL_USER0 on both T_MODULE and T_CLASS.

Note: prior to this, FL_SINGLETON was never set on T_MODULE,
so checking for `FL_SINGLETON` without first checking that
`FL_TYPE` was `T_CLASS` was valid. That's no longer the case.
This commit is contained in:
Jean Boussier 2024-03-06 11:04:22 -05:00 • committed by Peter Zhu
parent b88973165a
commit b4a69351ec
23 changed files with 76 additions and 56 deletions
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2
lib/ruby_vm/rjit/insn_compiler.rb
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@ -3736,7 +3736,7 @@ module RubyVM::RJIT
ctx.upgrade_opnd_type(insn_opnd, Type::Flonum)
end
elsif C.FL_TEST(known_klass, C::RUBY_FL_SINGLETON) && comptime_obj == C.rb_class_attached_object(known_klass)
elsif C.RCLASS_SINGLETON_P(known_klass) && comptime_obj == C.rb_class_attached_object(known_klass)
# Singleton classes are attached to one specific object, so we can
# avoid one memory access (and potentially the is_heap check) by
# looking for the expected object directly.