- Document zend_vm_use_old_executor() for Derick.

diff --git a/Zend/README.ZEND_VM b/Zend/README.ZEND_VM
index 3a302991ab21e6b6144914010614719b75d9110e..bc82e9817c1362cfcf400eddc1644fdabbb0ac2a 100644 (file)
--- a/Zend/README.ZEND_VM
+++ b/Zend/README.ZEND_VM
@@ -85,3 +85,8 @@ compile-time specialization.
 You can switch specialization on/off with define/undefined of the ZEND_VM_SPEC
 in the start of zend.vm.h and select execution method by defining ZEND_VM_KIND
 in the same place.
+
+Zend Engine II currently includes two executors during the build process, one
+is the specialized version and the other is the old one non-specialized with
+function handlers. By default Zend Engine II uses the specialized one but you
+can switch to the old executor at runtime by calling zend_vm_use_old_executor().