insns.def: add comments to def/opt_operand.def

* insns.def (getlocal,setlocal): add comment to def/opt_operand.def

I spent some time thinking about the same optimization before
realizing it was already done.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48106 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 0 deletions

diff --git a/insns.def b/insns.def
index bfa11a9b8d..b4f67afa9b 100644
--- a/insns.def
+++ b/insns.def
@@ -60,6 +60,7 @@ getlocal
     int i, lev = (int)level;
     VALUE *ep = GET_EP();
 
+    /* optimized insns generated for level == (0|1) in defs/opt_operand.def */
     for (i = 0; i < lev; i++) {
 	ep = GET_PREV_EP(ep);
     }
@@ -82,6 +83,7 @@ setlocal
     int i, lev = (int)level;
     VALUE *ep = GET_EP();
 
+    /* optimized insns generated for level == (0|1) in defs/opt_operand.def */
     for (i = 0; i < lev; i++) {
 	ep = GET_PREV_EP(ep);
     }