x64: Use external unwinding for lua_yield().

1 files changed, 4 insertions, 0 deletions

diff --git a/src/lj_api.c b/src/lj_api.c
index 70834f8d..4942c1d6 100644
--- a/src/lj_api.c
+++ b/src/lj_api.c
@@ -1107,9 +1107,13 @@ LUA_API int lua_yield(lua_State *L, int nresults)
       top[2].fr.tp.ftsz = (int)((char *)(top+3)-(char *)L->base)+FRAME_CONT;
       L->top = L->base = top+3;
     }
+#if LJ_TARGET_X64
+    lj_err_throw(L, LUA_YIELD);
+#else
     L->cframe = NULL;
     L->status = LUA_YIELD;
     lj_vm_unwind_c(cf, LUA_YIELD);
+#endif
   }
   lj_err_msg(L, LJ_ERR_CYIELD);
   return 0;  /* unreachable */