diff options
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rw-r--r-- | vm_insnhelper.c | 6 |
2 files changed, 9 insertions, 3 deletions
@@ -1,3 +1,9 @@ +Thu Dec 19 11:23:49 2013 Aman Gupta <ruby@tmm1.net> + + * vm_insnhelper.c (vm_call_iseq_setup_normal): simple for loop + condition optimization. this area shows up as a hotspot in VM + profiles. + Thu Dec 19 10:50:13 2013 Koichi Sasada <ko1@atdot.net> * gc.c (newobj_of): don't need to RBASIC_SET_CLASS() which includes WB diff --git a/vm_insnhelper.c b/vm_insnhelper.c index 08915c8b96..94da4b1c52 100644 --- a/vm_insnhelper.c +++ b/vm_insnhelper.c @@ -1228,13 +1228,13 @@ vm_call_iseq_setup_2(rb_thread_t *th, rb_control_frame_t *cfp, rb_call_info_t *c static inline VALUE vm_call_iseq_setup_normal(rb_thread_t *th, rb_control_frame_t *cfp, rb_call_info_t *ci) { - int i; + int i, local_size; VALUE *argv = cfp->sp - ci->argc; rb_iseq_t *iseq = ci->me->def->body.iseq; VALUE *sp = argv + iseq->arg_size; - /* clear local variables */ - for (i = 0; i < iseq->local_size - iseq->arg_size; i++) { + /* clear local variables (arg_size...local_size) */ + for (i = iseq->arg_size, local_size = iseq->local_size; i < local_size; i++) { *sp++ = Qnil; } |