pack insn_operand_info and insn_len_info

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59638 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

template/insns_info.inc.tmpl

@@ -30,22 +30,17 @@ static const char insn_name_info_base[<%=insn_name_length%>] = ""
 
 #define insn_name_info insn_name_info_base+insn_name_info_offset
 
-static const char *const insn_operand_info[] = {
+static const char insn_operand_info[][8] = {
 % @insns.each do |insn|
-    "<% insn.opes.each {|type, _| %><%=TYPE_CHARS.fetch(op2typesig(type))%><%}%>",
+    "\<%= (insn.opes.size+1).to_s(8) %>""<%
+    insn.opes.each {|type, _|
+      %><%=TYPE_CHARS.fetch(op2typesig(type))%><%
+    }%>",
 % end
 };
 
 ASSERT_VM_INSTRUCTION_SIZE(insn_operand_info);
 
-static const int insn_len_info[] = {
-% @insns.each do |insn|
-    <%= insn.opes.size + 1 %>,
-% end
-};
-
-ASSERT_VM_INSTRUCTION_SIZE(insn_len_info);
-
 #ifdef USE_INSN_RET_NUM
 static const unsigned short insn_stack_push_num_info[] = {
 % @insns.each do |insn|
@@ -78,7 +73,7 @@ insn_stack_increase(int depth, int insn, VALUE *opes)
 static int
 insn_len(VALUE insn)
 {
-    return insn_len_info[(int)insn];
+    return (unsigned char)insn_operand_info[(int)insn][0];
 }
 
 static const char *
@@ -90,7 +85,7 @@ insn_name(VALUE insn)
 static const char *
 insn_op_types(VALUE insn)
 {
-    return insn_operand_info[(int)insn];
+    return insn_operand_info[(int)insn]+1;
 }
 
 static int
@@ -98,7 +93,7 @@ insn_op_type(VALUE insn, long pos)
 {
     int len = insn_len(insn) - 1;
     if (pos < len) {
-	return insn_operand_info[(int)insn][pos];
+	return insn_operand_info[(int)insn][pos+1];
     }
     else{
 	return 0;