mjit_compile.inc.erb: drop unnecessary variable

It never becomes `dispatched: true` with the current code.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63751 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

tool/ruby_vm/views/_mjit_compile_insn.erb

@@ -26,9 +26,7 @@
         }
 %
 % # JIT: Declare variables for operands, popped values and return values
-% ret_decls = insn.rets.map { |r| "MAYBE_UNUSED(#{r.fetch(:type)}) #{r.fetch(:name)}"} # TODO: fix #declarations to return Hash...
 % insn.declarations.each do |decl|
-%   next if dispatched && ret_decls.include?(decl) # return value should be propagated to dispatcher. TODO: assert it's the same as dispatcher
         fprintf(f, "    <%= decl %>;\n");
 % end
 
@@ -63,12 +61,10 @@
 <%= render 'mjit_compile_insn_body', locals: { insn: insn } -%>
 %
 % # JIT: Set return values
-% unless dispatched
 % insn.rets.reverse_each.with_index do |ret, i|
 %   # TOPN(n) = ...
         fprintf(f, "    stack[%d] = <%= ret.fetch(:name) %>;\n", b->stack_size + (int)<%= insn.call_attribute('sp_inc') %> - <%= i + 1 %>);
 % end
-% end
 %
 % # JIT: We should evaluate ISeq modified for TracePoint if it's enabled. Note: This is slow.
 % if trace_enablable_insns.include?(insn.name)
@@ -82,9 +78,7 @@
 % end
 %
 % # compiler: Move JIT compiler's internal stack pointer
-% unless dispatched
         b->stack_size += <%= insn.call_attribute('sp_inc') %>;
-% end
     }
     fprintf(f, "}\n");
 %

tool/ruby_vm/views/mjit_compile.inc.erb

@@ -61,7 +61,7 @@ switch (insn) {
 %   end
 %
 %   # Main insn implementation generated by insns.def
-<%= render 'mjit_compile_insn', locals: { insn: insn, dispatched: false } -%>
+<%= render 'mjit_compile_insn', locals: { insn: insn } -%>
     break;
 % end
 %