precalc invokebuiltin destinations

Noticed that struct rb_builtin_function is a purely compile-time
constant.  MJIT can eliminate some runtime calculations by statically
generate dedicated C code generator for each builtin functions.

1 files changed, 1 insertions, 5 deletions

diff --git a/tool/ruby_vm/views/mjit_compile.inc.erb b/tool/ruby_vm/views/mjit_compile.inc.erb
index c8f9aca777..e3be549181 100644
--- a/tool/ruby_vm/views/mjit_compile.inc.erb
+++ b/tool/ruby_vm/views/mjit_compile.inc.erb
@@ -67,13 +67,9 @@ switch (insn) {
     {
 %     # opt_invokebuiltin_delegate_leave also implements leave insn. We need to handle it here for inlining.
 %     if insn.name == 'opt_invokebuiltin_delegate_leave'
-      RB_BUILTIN bf = (RB_BUILTIN)operands[0];
-      rb_num_t index = (rb_num_t)operands[0];
       fprintf(f, "{\n");
       fprintf(f, "    VALUE val;\n");
-      fprintf(f, "    RB_BUILTIN bf = (RB_BUILTIN)0x%"PRIxVALUE";\n", operands[0]);
-      fprintf(f, "    rb_num_t index = (rb_num_t)0x%"PRIxVALUE";\n", operands[1]);
-      fprintf(f, <%= rstring2cstr(insn.expr.expr.lines.find { |l| l =~ / vm_invoke_builtin_delegate\(/ }).gsub("\n", '\n') %>);
+<%=   render 'mjit_compile_invokebuiltin', locals: { insn: insn } -%>
       fprintf(f, "    stack[0] = val;\n");
       fprintf(f, "}\n");
 %     else