From 164c0463b26d3932902503401efa20a8bf649ad3 Mon Sep 17 00:00:00 2001
From: Yukihiro Matsumoto <matz@ruby-lang.org>
Date: Wed, 9 May 2012 10:58:32 +0900
Subject: use DIRECT_THREADED only on GCC

---
 src/vm.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/vm.c b/src/vm.c
index c6aa92135..5d7fb6072 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -326,7 +326,10 @@ argnum_error(mrb_state *mrb, int num)
   (r).value.p = (void*)(v);\
 }
 
+#ifdef __GNUC__
 #define DIRECT_THREADED
+#endif
+
 #ifndef DIRECT_THREADED
 
 #define INIT_DISPACTH for (;;) { i = *pc; switch (GET_OPCODE(i)) {
-- 
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