nobu	2016-09-23 12:15:31 +0900 (Fri, 23 Sep 2016)

  New Revision: 56208

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=56208

  Log:
    compile.c: tailcall in conditinal block
    
    * compile.c (iseq_peephole_optimize): enable tail call
      optimization inside a conditional block.

  Modified files:
    trunk/ChangeLog
    trunk/compile.c
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 56207)
+++ ChangeLog	(revision 56208)
@@ -1,3 +1,8 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Fri Sep 23 12:15:29 2016  Nobuyoshi Nakada  <nobu@r...>
+
+	* compile.c (iseq_peephole_optimize): enable tail call
+	  optimization inside a conditional block.
+
 Thu Sep 22 13:00:04 2016  Kazuhiro NISHIYAMA  <zn@m...>
 
 	* gc.c (gc_start_internal): [DOC] methods without arguments
Index: compile.c
===================================================================
--- compile.c	(revision 56207)
+++ compile.c	(revision 56208)
@@ -2281,6 +2281,13 @@ iseq_peephole_optimize(rb_iseq_t *iseq, https://github.com/ruby/ruby/blob/trunk/compile.c#L2281
 		  /*case BIN(trace):*/
 		    next = next->next;
 		    break;
+		  case BIN(jump):
+		    /* if cond
+		     *   return tailcall
+		     * end
+		     */
+		    next = get_destination_insn((INSN *)next);
+		    break;
 		  case BIN(leave):
 		    piobj = iobj;
 		  default:

--
ML: ruby-changes@q...
Info: http://www.atdot.net/~ko1/quickml/