From e27acb61485189fd7647741b6ca19920989dec03 Mon Sep 17 00:00:00 2001 From: Koichi Sasada Date: Mon, 25 Nov 2019 14:02:15 +0900 Subject: add fast path for argc==0. If calling builtin functions with no arguments, we don't need to calculate argv location. --- vm_insnhelper.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) (limited to 'vm_insnhelper.c') diff --git a/vm_insnhelper.c b/vm_insnhelper.c index e3087d321c..9078903b84 100644 --- a/vm_insnhelper.c +++ b/vm_insnhelper.c @@ -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!() -- cgit v1.2.3