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add fast path for argc==0.

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If calling builtin functions with no arguments, we don't need to
calculate argv location.
This commit is contained in:
Koichi Sasada 2019-11-25 14:02:15 +09:00
parent 5c6235a83c
commit e27acb6148
1 changed files with 7 additions and 2 deletions
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9
vm_insnhelper.c
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@ -4997,8 +4997,13 @@ vm_invoke_builtin_delegate(rb_execution_context_t *ec, rb_control_frame_t *cfp,
fprintf(stderr, "%s %s(%d):%p\n", RUBY_FUNCTION_NAME_STRING, bf->name, bf->argc, bf->func_ptr);
}
const VALUE *argv = cfp->ep - cfp->iseq->body->local_table_size - VM_ENV_DATA_SIZE + 1 + start_index;
return invoke_bf(ec, cfp, bf, argv);
if (bf->argc == 0) {
return invoke_bf(ec, cfp, bf, NULL);
}
else {
const VALUE *argv = cfp->ep - cfp->iseq->body->local_table_size - VM_ENV_DATA_SIZE + 1 + start_index;
return invoke_bf(ec, cfp, bf, argv);
}
}
// for __builtin_inline!()