8024922: PPC64 (part 116): Extend adlc to generate fields into nodes.
Summary: Similar to specifying 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.
Reviewed-by: kvn
--- a/hotspot/src/share/vm/adlc/output_h.cpp Wed Sep 18 14:34:56 2013 -0700
+++ b/hotspot/src/share/vm/adlc/output_h.cpp Thu Sep 19 17:31:42 2013 +0200
@@ -1539,7 +1539,20 @@
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");
@@ -1586,8 +1599,9 @@
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);
}