From 84acf4e3f38d01c72ae077db1234c880658c10aa Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby-lang.org>
Date: Tue, 9 Apr 2013 15:31:17 +0900
Subject: preparation for tail call optimization (still has bugs)

---
 src/codegen.c | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src/codegen.c')

diff --git a/src/codegen.c b/src/codegen.c
index 83d0136ef..d9fc10657 100644
--- a/src/codegen.c
+++ b/src/codegen.c
@@ -317,6 +317,14 @@ genop_peep(codegen_scope *s, mrb_code i, int val)
         s->iseq[s->pc-1] = MKOP_A(c0, 0);
         genop(s, MKOP_AB(OP_RETURN, 0, OP_R_NORMAL));
         return;
+#if 0
+      case OP_SEND:
+        if (GETARG_B(i) == OP_R_NORMAL && GETARG_A(i) == GETARG_A(i0)) {
+          s->iseq[s->pc-1] = MKOP_ABC(OP_TAILCALL, GETARG_A(i0), GETARG_B(i0), GETARG_C(i0));
+          return;
+        }
+        break;
+#endif
       default:
         break;
       }
-- 
cgit v1.2.3