vm_core.h: make the algorithm of get_insn_info selectable

Currently, VM_INSN_INFO_TABLE_IMPL == 0 means linear search, and
VM_INSN_INFO_TABLE_IMPL == 1 means binary search.  I plan to add
succinct bitvector algorithm later.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61537 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 7 insertions, 0 deletions

diff --git a/vm_core.h b/vm_core.h
index 0d08875afd..16ee74b28e 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -56,6 +56,13 @@
 
 #define RUBY_VM_THREAD_MODEL 2
 
+/*
+ * implementation selector of get_insn_info algorithm
+ *   0: linear search
+ *   1: binary search
+ */
+#define VM_INSN_INFO_TABLE_IMPL 1
+
 #include "ruby/ruby.h"
 #include "ruby/st.h"