src/share/vm/adlc/output_h.cpp

rev 5191 : 8024922: PPC64 (part 116): Extend adlc to generate fields into nodes.
Summary: Similar to secifying functions returning constants (as ins_avoid_back_to_back()) adlc now accepts specifications with prefix ins_field_xxx(tp) and adds field xxx of type tp to the node.

@@ -1537,11 +1537,24 @@
     fprintf(fp,"private:\n");
     fprintf(fp,"  MachOper *_opnd_array[%d];\n", instr->num_opnds() );
     if ( instr->is_ideal_jump() ) {
       fprintf(fp, "  GrowableArray<Label*> _index2label;\n");
     }
-    fprintf(fp,"public:\n");
+
+    fprintf(fp, "public:\n");
+
+    Attribute *att = instr->_attribs;
+    // Fields of the node specified in the ad file.
+    while (att != NULL) {
+      if (strncmp(att->_ident, "ins_field_", 10) == 0) {
+        const char *field_name = att->_ident+10;
+        const char *field_type = att->_val;
+        fprintf(fp, "  %s _%s;\n", field_type, field_name);
+      }
+      att = (Attribute *)att->_next;
+    }
+
     fprintf(fp,"  MachOper *opnd_array(uint operand_index) const {\n");
     fprintf(fp,"    assert(operand_index < _num_opnds, \"invalid _opnd_array index\");\n");
     fprintf(fp,"    return _opnd_array[operand_index];\n");
     fprintf(fp,"  }\n");
     fprintf(fp,"  void      set_opnd_array(uint operand_index, MachOper *operand) {\n");

@@ -1584,12 +1597,13 @@
     // Each instruction attribute results in a virtual call of same name.
     // The ins_cost is not handled here.
     Attribute *attr = instr->_attribs;
     bool avoid_back_to_back = false;
     while (attr != NULL) {
-      if (strcmp(attr->_ident,"ins_cost") &&
-          strcmp(attr->_ident,"ins_short_branch")) {
+      if (strcmp (attr->_ident,"ins_cost") &&
+          strncmp(attr->_ident,"ins_field_", 10) != 0 &&
+          strcmp (attr->_ident,"ins_short_branch")) {
         fprintf(fp,"          int            %s() const { return %s; }\n",
                 attr->_ident, attr->_val);
       }
       // Check value for ins_avoid_back_to_back, and if it is true (1), set the flag
       if (!strcmp(attr->_ident,"ins_avoid_back_to_back") && attr->int_val(*this) != 0)