2 import IR.Tree.Modifiers;
3 import IR.Tree.FlagExpressionNode;
4 import IR.Tree.DNFFlag;
5 import IR.Tree.DNFFlagAtom;
6 import IR.Tree.TagExpressionList;
7 import IR.Tree.OffsetNode;
14 import Analysis.TaskStateAnalysis.FlagState;
15 import Analysis.TaskStateAnalysis.FlagComparator;
16 import Analysis.TaskStateAnalysis.OptionalTaskDescriptor;
17 import Analysis.TaskStateAnalysis.Predicate;
18 import Analysis.TaskStateAnalysis.SafetyAnalysis;
19 import Analysis.TaskStateAnalysis.TaskIndex;
20 import Analysis.Locality.LocalityAnalysis;
21 import Analysis.Locality.LocalityBinding;
22 import Analysis.Locality.DiscoverConflicts;
23 import Analysis.Locality.DCWrapper;
24 import Analysis.Locality.DelayComputation;
25 import Analysis.Locality.BranchAnalysis;
26 import Analysis.CallGraph.CallGraph;
27 import Analysis.Prefetch.*;
28 import Analysis.Loops.WriteBarrier;
29 import Analysis.Loops.GlobalFieldType;
30 import Analysis.Locality.TypeAnalysis;
31 import Util.CodePrinter;
33 public class BuildCodeTran extends BuildCode {
34 String oidstr="___nextobject___";
35 LocalityAnalysis locality;
36 Hashtable<LocalityBinding, TempDescriptor> reverttable;
37 Hashtable<LocalityBinding, Hashtable<TempDescriptor, TempDescriptor>> backuptable;
41 DiscoverConflicts recorddc;
43 LocalityBinding currlb;
46 public BuildCodeTran(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, PrefetchAnalysis pa) {
47 this(st, temptovar, typeutil, null, sa, pa);
50 public BuildCodeTran(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, PrefetchAnalysis pa) {
51 this(st, temptovar, typeutil, locality, null, pa);
54 public BuildCodeTran(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, SafetyAnalysis sa, PrefetchAnalysis pa) {
55 super(st, temptovar, typeutil, sa);
58 oidstr="___objlocation___";
60 this.locality=locality;
61 this.reverttable=new Hashtable<LocalityBinding, TempDescriptor>();
62 this.backuptable=new Hashtable<LocalityBinding, Hashtable<TempDescriptor, TempDescriptor>>();
63 this.wb=new WriteBarrier(locality, st);
65 if (state.SINGLETM&&state.DCOPTS) {
66 TypeAnalysis typeanalysis=new TypeAnalysis(locality, st, typeutil,callgraph);
67 GlobalFieldType gft=new GlobalFieldType(callgraph, st, typeutil.getMain());
68 this.dc=new DiscoverConflicts(locality, st, typeanalysis, gft);
71 if (state.DELAYCOMP) {
72 TypeAnalysis typeanalysis=new TypeAnalysis(locality, st, typeutil,callgraph);
73 GlobalFieldType gft=new GlobalFieldType(callgraph, st, typeutil.getMain());
74 delaycomp=new DCWrapper(locality, st, typeanalysis, gft);
75 dc=delaycomp.getConflicts();
76 recorddc=new DiscoverConflicts(locality, st, typeanalysis, delaycomp.getCannotDelayMap(), true, true, null);
77 recorddc.doAnalysis();
81 /** The buildCode method outputs C code for all the methods. The Flat
82 * versions of the methods must already be generated and stored in
83 * the State object. */
85 PrintWriter outsandbox=null;
87 protected void buildCodeSetup() {
90 outsandbox=new CodePrinter(new FileOutputStream(PREFIX+"sandboxdefs.c"), true);
92 } catch (Exception e) {
98 protected void additionalIncludesMethodsHeader(PrintWriter outmethodheader) {
100 outmethodheader.println("#include \"dstm.h\"");
102 outmethodheader.println("#include \"sandbox.h\"");
104 if (state.SINGLETM) {
105 outmethodheader.println("#include \"tm.h\"");
106 outmethodheader.println("#include \"delaycomp.h\"");
107 outmethodheader.println("#include \"inlinestm.h\"");
109 if (state.ABORTREADERS) {
110 outmethodheader.println("#include \"abortreaders.h\"");
111 outmethodheader.println("#include <setjmp.h>");
117 protected void outputMainMethod(PrintWriter outmethod) {
118 outmethod.println("int main(int argc, const char *argv[]) {");
119 outmethod.println(" int i;");
120 outputStaticBlocks(outmethod);
121 outputClassObjects(outmethod);
122 additionalCodeAtTopOfMain(outmethod);
125 if (state.DSMRECOVERYSTATS) {
126 outmethod.println("#ifdef RECOVERYSTATS \n");
127 outmethod.println("handle();\n");
128 outmethod.println("#endif\n");
130 outmethod.println("#if defined(TRANSSTATS) || defined(RECOVERYSTATS) \n");
131 outmethod.println("handle();\n");
132 outmethod.println("#endif\n");
135 outmethod.println("initializethreads();");
138 outmethod.println("if (dstmStartup(argv[1])) {");
139 if (GENERATEPRECISEGC) {
140 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-2);");
142 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-2);");
145 if (GENERATEPRECISEGC) {
146 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
148 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
152 outmethod.println(" for(i=2;i<argc;i++) {");
154 outmethod.println(" for(i=1;i<argc;i++) {");
155 outmethod.println(" int length=strlen(argv[i]);");
156 if (GENERATEPRECISEGC) {
157 outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
159 outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
162 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-2]=newstring;");
164 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
165 outmethod.println(" }");
167 MethodDescriptor md=typeutil.getMain();
168 ClassDescriptor cd=typeutil.getMainClass();
170 outmethod.println(" {");
171 if (GENERATEPRECISEGC) {
172 outmethod.print(" struct "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
173 outmethod.println("1, NULL,"+"stringarray};");
174 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
176 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
178 outmethod.println(" }");
181 outmethod.println("}");
184 outmethod.println("pthread_mutex_lock(&gclistlock);");
185 outmethod.println("threadcount--;");
186 outmethod.println("pthread_cond_signal(&gccond);");
187 outmethod.println("pthread_mutex_unlock(&gclistlock);");
189 outmethod.println("#if defined(TRANSSTATS) \n");
190 outmethod.println("printf(\"****** Transaction Stats ******\\n\");");
191 outmethod.println("printf(\"numTransCommit= %d\\n\", numTransCommit);");
192 outmethod.println("printf(\"numTransAbort= %d\\n\", numTransAbort);");
193 outmethod.println("printf(\"nSoftAbort= %d\\n\", nSoftAbort);");
195 outmethod.println("printf(\"nchashSearch= %d\\n\", nchashSearch);");
196 outmethod.println("printf(\"nmhashSearch= %d\\n\", nmhashSearch);");
197 outmethod.println("printf(\"nprehashSearch= %d\\n\", nprehashSearch);");
198 outmethod.println("printf(\"ndirtyCacheObj= %d\\n\", ndirtyCacheObj);");
199 outmethod.println("printf(\"nRemoteReadSend= %d\\n\", nRemoteSend);");
200 outmethod.println("printf(\"bytesSent= %d\\n\", bytesSent);");
201 outmethod.println("printf(\"bytesRecv= %d\\n\", bytesRecv);");
202 outmethod.println("printf(\"totalObjSize= %d\\n\", totalObjSize);");
203 outmethod.println("printf(\"sendRemoteReq= %d\\n\", sendRemoteReq);");
204 outmethod.println("printf(\"getResponse= %d\\n\", getResponse);");
205 } else if (state.SINGLETM) {
206 outmethod.println("printf(\"nSoftAbortAbort= %d\\n\", nSoftAbortAbort);");
207 outmethod.println("printf(\"nSoftAbortCommit= %d\\n\", nSoftAbortCommit);");
208 outmethod.println("#ifdef STMSTATS\n");
209 outmethod.println("for(i=0; i<TOTALNUMCLASSANDARRAY; i++) {\n");
210 outmethod.println(" printf(\"typesCausingAbort[%2d] numaccess= %5d numabort= %3d\\n\", i, typesCausingAbort[i].numaccess, typesCausingAbort[i].numabort);\n");
211 outmethod.println("}\n");
212 outmethod.println("#endif\n");
213 outmethod.println("fflush(stdout);");
215 outmethod.println("#endif\n");
218 if (state.EVENTMONITOR) {
219 outmethod.println("dumpdata();");
223 outmethod.println("pthread_exit(NULL);");
224 additionalCodeAtBottomOfMain(outmethod);
225 outmethod.println("}");
228 protected void additionalIncludesMethodsImplementation(PrintWriter outmethod) {
230 outmethod.println("#include \"sandboxdefs.c\"");
233 outmethod.println("#include \"addPrefetchEnhance.h\"");
234 outmethod.println("#include \"localobjects.h\"");
238 protected void generateMethods(PrintWriter outmethod) {
239 for(Iterator<LocalityBinding> lbit=locality.getLocalityBindings().iterator(); lbit.hasNext(); ) {
240 LocalityBinding lb=lbit.next();
241 MethodDescriptor md=lb.getMethod();
242 FlatMethod fm=state.getMethodFlat(md);
244 if (!md.getModifiers().isNative()) {
245 generateFlatMethod(fm, lb, outmethod);
250 protected void additionalIncludesStructsHeader(PrintWriter outstructs) {
251 LocalityBinding lbrun=new LocalityBinding(typeutil.getRun(), false);
253 lbrun.setGlobalThis(LocalityAnalysis.GLOBAL);
254 } else if (state.SINGLETM) {
255 lbrun.setGlobalThis(LocalityAnalysis.NORMAL);
257 outstructs.println("#define RUNMETHOD "+virtualcalls.getLocalityNumber(lbrun));
260 LocalityBinding lbexecute = new LocalityBinding(typeutil.getExecute(), false);
262 lbexecute.setGlobalThis(LocalityAnalysis.GLOBAL);
263 else if( state.SINGLETM)
264 lbexecute.setGlobalThis(LocalityAnalysis.NORMAL);
265 outstructs.println("#define EXECUTEMETHOD " + virtualcalls.getLocalityNumber(lbexecute));
269 protected void printExtraArrayFields(PrintWriter outclassdefs) {
270 if (state.STMARRAY) {
271 outclassdefs.println(" int lowindex;");
272 outclassdefs.println(" int highindex;");
274 if (state.DUALVIEW) {
275 outclassdefs.println(" int arrayversion;");
279 /** The buildVirtualTables method outputs the virtual dispatch
280 * tables for methods. */
282 protected void buildVirtualTables(PrintWriter outvirtual) {
283 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
284 while(classit.hasNext()) {
285 ClassDescriptor cd=(ClassDescriptor)classit.next();
286 if (virtualcalls.getMethodCount(cd)>maxcount)
287 maxcount=virtualcalls.getMethodCount(cd);
290 LocalityBinding[][] lbvirtualtable=null;
291 lbvirtualtable=new LocalityBinding[state.numClasses()+state.numArrays()][maxcount];
293 /* Fill in virtual table */
294 classit=state.getClassSymbolTable().getDescriptorsIterator();
295 while(classit.hasNext()) {
296 ClassDescriptor cd=(ClassDescriptor)classit.next();
297 if(cd.isInterface()) {
300 fillinRow(cd, lbvirtualtable, cd.getId());
303 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
304 Iterator arrayit=state.getArrayIterator();
305 while(arrayit.hasNext()) {
306 TypeDescriptor td=(TypeDescriptor)arrayit.next();
307 int id=state.getArrayNumber(td);
308 fillinRow(objectcd, lbvirtualtable, id+state.numClasses());
311 outvirtual.print("void * virtualtable[]={");
312 boolean needcomma=false;
313 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
314 for(int j=0; j<maxcount; j++) {
316 outvirtual.print(", ");
317 if (lbvirtualtable[i][j]!=null) {
318 LocalityBinding lb=lbvirtualtable[i][j];
319 MethodDescriptor md=lb.getMethod();
320 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
322 outvirtual.print("0");
326 outvirtual.println("");
328 outvirtual.println("};");
332 protected void fillinRow(ClassDescriptor cd, LocalityBinding[][] virtualtable, int rownum) {
333 /* Get inherited methods */
334 if (cd.getSuperDesc()!=null)
335 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
336 /* Override them with our methods */
337 if (locality.getClassBindings(cd)!=null)
338 for(Iterator<LocalityBinding> lbit=locality.getClassBindings(cd).iterator(); lbit.hasNext(); ) {
339 LocalityBinding lb=lbit.next();
340 MethodDescriptor md=lb.getMethod();
341 //Is the method static or a constructor
342 if (md.isStatic()||md.getReturnType()==null)
344 int methodnum=virtualcalls.getLocalityNumber(lb);
345 virtualtable[rownum][methodnum]=lb;
349 /** Generate array that contains the sizes of class objects. The
350 * object allocation functions in the runtime use this
353 protected void generateSizeArrayExtensions(PrintWriter outclassdefs) {
354 outclassdefs.print("#ifdef TRANSSTATS \n");
355 outclassdefs.print("extern int numTransAbort;\n");
356 outclassdefs.print("extern int numTransCommit;\n");
357 outclassdefs.print("extern int nSoftAbort;\n");
359 outclassdefs.print("extern int nchashSearch;\n");
360 outclassdefs.print("extern int nmhashSearch;\n");
361 outclassdefs.print("extern int nprehashSearch;\n");
362 outclassdefs.print("extern int ndirtyCacheObj;\n");
363 outclassdefs.print("extern int nRemoteSend;\n");
364 outclassdefs.print("extern int sendRemoteReq;\n");
365 outclassdefs.print("extern int getResponse;\n");
366 outclassdefs.print("extern int bytesSent;\n");
367 outclassdefs.print("extern int bytesRecv;\n");
368 outclassdefs.print("extern int totalObjSize;\n");
369 outclassdefs.print("extern void handle();\n");
370 } else if (state.SINGLETM) {
371 outclassdefs.println("extern int nSoftAbortAbort;");
372 outclassdefs.println("extern int nSoftAbortCommit;");
373 outclassdefs.println("#ifdef STMSTATS\n");
374 outclassdefs.println("extern objtypestat_t typesCausingAbort[];");
375 outclassdefs.println("#endif\n");
377 outclassdefs.print("#endif\n");
379 outclassdefs.print("int numprefetchsites = " + pa.prefetchsiteid + ";\n");
382 /** Constructs params and temp objects for each method or task.
383 * These objects tell the compiler which temps need to be
386 protected void generateTempStructs(FlatMethod fm, LocalityBinding lb) {
387 MethodDescriptor md=fm.getMethod();
388 TaskDescriptor task=fm.getTask();
389 Set<TempDescriptor> saveset=lb!=null ? locality.getTempSet(lb) : null;
390 ParamsObject objectparams=md!=null ? new ParamsObject(md,tag++) : new ParamsObject(task, tag++);
392 paramstable.put(lb, objectparams);
393 backuptable.put(lb, new Hashtable<TempDescriptor, TempDescriptor>());
395 paramstable.put(md, objectparams);
397 paramstable.put(task, objectparams);
399 for(int i=0; i<fm.numParameters(); i++) {
400 TempDescriptor temp=fm.getParameter(i);
401 TypeDescriptor type=temp.getType();
402 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
403 objectparams.addPtr(temp);
405 objectparams.addPrim(temp);
406 if(lb!=null&&saveset.contains(temp)) {
407 backuptable.get(lb).put(temp, temp.createNew());
411 for(int i=0; i<fm.numTags(); i++) {
412 TempDescriptor temp=fm.getTag(i);
413 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
414 objectparams.addPtr(temp);
416 objectparams.addPrim(temp);
419 TempObject objecttemps=md!=null ? new TempObject(objectparams,md,tag++) : new TempObject(objectparams, task, tag++);
421 tempstable.put(lb, objecttemps);
423 tempstable.put(md, objecttemps);
425 tempstable.put(task, objecttemps);
427 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext(); ) {
428 FlatNode fn=(FlatNode)nodeit.next();
429 TempDescriptor[] writes=fn.writesTemps();
430 for(int i=0; i<writes.length; i++) {
431 TempDescriptor temp=writes[i];
432 TypeDescriptor type=temp.getType();
433 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
434 objecttemps.addPtr(temp);
436 objecttemps.addPrim(temp);
437 if(lb!=null&&saveset.contains(temp)&&
438 !backuptable.get(lb).containsKey(temp))
439 backuptable.get(lb).put(temp, temp.createNew());
443 /* Create backup temps */
445 for(Iterator<TempDescriptor> tmpit=backuptable.get(lb).values().iterator(); tmpit.hasNext(); ) {
446 TempDescriptor tmp=tmpit.next();
447 TypeDescriptor type=tmp.getType();
448 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
449 objecttemps.addPtr(tmp);
451 objecttemps.addPrim(tmp);
453 /* Create temp to hold revert table */
454 if (state.DSM&&(lb.getHasAtomic()||lb.isAtomic())) {
455 TempDescriptor reverttmp=new TempDescriptor("revertlist", typeutil.getClass(TypeUtil.ObjectClass));
456 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
457 objecttemps.addPtr(reverttmp);
459 objecttemps.addPrim(reverttmp);
460 reverttable.put(lb, reverttmp);
465 /** This method outputs the following information about classes
467 * (1) For classes, what are the locations of pointers.
468 * (2) For arrays, does the array contain pointers or primitives.
469 * (3) For classes, does the class contain flags.
472 protected void generateLayoutStructs(PrintWriter output) {
473 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
474 while(it.hasNext()) {
475 ClassDescriptor cn=(ClassDescriptor)it.next();
476 output.println("unsigned INTPTR "+cn.getSafeSymbol()+"_pointers[]={");
477 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
479 while(allit.hasNext()) {
480 FieldDescriptor fd=(FieldDescriptor)allit.next();
481 TypeDescriptor type=fd.getType();
482 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
488 allit=cn.getFieldTable().getAllDescriptorsIterator();
489 while(allit.hasNext()) {
490 FieldDescriptor fd=(FieldDescriptor)allit.next();
491 TypeDescriptor type=fd.getType();
492 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
496 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->"+
497 fd.getSafeSymbol()+"))");
500 output.println("};");
502 output.println("unsigned INTPTR * pointerarray[]={");
503 boolean needcomma=false;
504 for(int i=0; i<state.numClasses(); i++) {
505 ClassDescriptor cn=cdarray[i];
510 output.print(cn.getSafeSymbol()+"_pointers");
512 output.print("NULL");
516 for(int i=0; i<state.numArrays(); i++) {
518 output.println(", ");
519 TypeDescriptor tdelement=arraytable[i].dereference();
520 if (tdelement.isArray()||tdelement.isClass())
521 output.print("((unsigned INTPTR *)1)");
527 output.println("};");
529 output.println("int hasflags[]={");
530 for(int i=0; i<state.numClasses(); i++) {
531 ClassDescriptor cn=cdarray[i];
533 output.println(", ");
535 if ((cn != null) && (cn.hasFlags()))
540 output.println("};");
544 protected void generateCallStructsMethods(ClassDescriptor cn, PrintWriter output, PrintWriter headersout) {
545 /* Cycle through LocalityBindings */
546 HashSet<MethodDescriptor> nativemethods=new HashSet<MethodDescriptor>();
547 Set<LocalityBinding> lbset=locality.getClassBindings(cn);
549 for(Iterator<LocalityBinding> lbit=lbset.iterator(); lbit.hasNext(); ) {
550 LocalityBinding lb=lbit.next();
551 MethodDescriptor md=lb.getMethod();
552 if (md.getModifiers().isNative()) {
553 //make sure we only print a native method once
554 if (nativemethods.contains(md)) {
555 FlatMethod fm=state.getMethodFlat(md);
556 generateTempStructs(fm, lb);
559 nativemethods.add(md);
561 generateMethod(cn, md, lb, headersout, output);
564 for(Iterator methodit=cn.getMethods(); methodit.hasNext(); ) {
565 MethodDescriptor md=(MethodDescriptor)methodit.next();
566 if (md.getModifiers().isNative()&&!nativemethods.contains(md)) {
567 //Need to build param structure for library code
568 FlatMethod fm=state.getMethodFlat(md);
569 generateTempStructs(fm, null);
570 generateMethodParam(cn, md, null, output);
576 protected void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter output) {
577 /* Output parameter structure */
578 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
579 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null ? lb : md);
580 if ((state.DSM||state.SINGLETM)&&lb!=null)
581 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
583 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
584 output.println(" int size;");
585 output.println(" void * next;");
586 for(int i=0; i<objectparams.numPointers(); i++) {
587 TempDescriptor temp=objectparams.getPointer(i);
588 if(state.MGC && temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
589 output.println(" int " + temp.getSafeSymbol() + ";");
591 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
594 output.println("};\n");
598 protected void generateMethod(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter headersout, PrintWriter output) {
599 FlatMethod fm=state.getMethodFlat(md);
600 generateTempStructs(fm, lb);
602 ParamsObject objectparams=(ParamsObject) paramstable.get(lb);
603 TempObject objecttemps=(TempObject) tempstable.get(lb);
605 generateMethodParam(cn, md, lb, output);
607 /* Output temp structure */
608 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
609 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
610 output.println(" int size;");
611 output.println(" void * next;");
612 for(int i=0; i<objecttemps.numPointers(); i++) {
613 TempDescriptor temp=objecttemps.getPointer(i);
614 if (temp.getType().isNull())
615 output.println(" void * "+temp.getSafeSymbol()+";");
617 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
619 output.println("};\n");
622 /********* Output method declaration ***********/
623 headersout.println("#define D"+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
625 /* First the return type */
626 if (md.getReturnType()!=null) {
627 if(state.MGC && md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
628 headersout.println(" int ");
629 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
630 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
632 headersout.print(md.getReturnType().getSafeSymbol()+" ");
634 //catch the constructor case
635 headersout.print("void ");
637 /* Next the method name */
638 headersout.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
640 boolean printcomma=false;
641 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
642 headersout.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
646 /* Output parameter list*/
647 for(int i=0; i<objectparams.numPrimitives(); i++) {
648 TempDescriptor temp=objectparams.getPrimitive(i);
650 headersout.print(", ");
652 if(state.MGC && temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
653 headersout.print("int " + temp.getSafeSymbol());
654 } else if (temp.getType().isClass()||temp.getType().isArray())
655 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
657 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
659 headersout.println(");\n");
662 /***** Generate code for FlatMethod fm. *****/
664 Hashtable<FlatAtomicEnterNode, AtomicRecord> atomicmethodmap;
665 static int atomicmethodcount=0;
668 BranchAnalysis branchanalysis;
669 protected void generateFlatMethod(FlatMethod fm, LocalityBinding lb, PrintWriter output) {
671 System.out.println(fm.printMethod());
672 MethodDescriptor md=fm.getMethod();
673 TaskDescriptor task=fm.getTask();
674 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
675 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : md!=null ? md : task);
677 HashSet<AtomicRecord> arset=null;
680 if (state.DELAYCOMP&&!lb.isAtomic()&&lb.getHasAtomic()) {
682 if (atomicmethodmap==null)
683 atomicmethodmap=new Hashtable<FlatAtomicEnterNode, AtomicRecord>();
685 //fix these so we get right strings for local variables
686 localsprefixaddr=localsprefix;
687 localsprefixderef=localsprefix+"->";
688 arset=new HashSet<AtomicRecord>();
690 //build branchanalysis
691 branchanalysis=new BranchAnalysis(locality, lb, delaycomp.getNotReady(lb), delaycomp.livecode(lb), state);
693 //Generate commit methods here
694 for(Iterator<FlatNode> fnit=fm.getNodeSet().iterator(); fnit.hasNext(); ) {
695 FlatNode fn=fnit.next();
696 if (fn.kind()==FKind.FlatAtomicEnterNode&&
697 locality.getAtomic(lb).get(fn.getPrev(0)).intValue()==0&&
698 delaycomp.needsFission(lb, (FlatAtomicEnterNode) fn)) {
699 //We have an atomic enter
700 FlatAtomicEnterNode faen=(FlatAtomicEnterNode) fn;
701 Set<FlatNode> exitset=faen.getExits();
703 String methodname=md.getSymbol()+(atomicmethodcount++);
704 AtomicRecord ar=new AtomicRecord();
708 atomicmethodmap.put(faen, ar);
710 //build data structure declaration
711 output.println("struct atomicprimitives_"+methodname+" {");
713 Set<FlatNode> recordset=delaycomp.livecode(lb);
714 Set<TempDescriptor> liveinto=delaycomp.liveinto(lb, faen, recordset);
715 Set<TempDescriptor> liveout=delaycomp.liveout(lb, faen);
716 Set<TempDescriptor> liveoutvirtualread=delaycomp.liveoutvirtualread(lb, faen);
718 ar.reallivein=new HashSet(liveinto);
720 ar.liveoutvirtualread=liveoutvirtualread;
723 for(Iterator<TempDescriptor> it=liveinto.iterator(); it.hasNext(); ) {
724 TempDescriptor tmp=it.next();
725 //remove the pointers
726 if (tmp.getType().isPtr()) {
729 //let's print it here
730 output.println(tmp.getType().getSafeSymbol()+" "+tmp.getSafeSymbol()+";");
733 for(Iterator<TempDescriptor> it=liveout.iterator(); it.hasNext(); ) {
734 TempDescriptor tmp=it.next();
735 //remove the pointers
736 if (tmp.getType().isPtr()) {
738 } else if (!liveinto.contains(tmp)) {
739 //let's print it here
740 output.println(tmp.getType().getSafeSymbol()+" "+tmp.getSafeSymbol()+";");
743 output.println("};");
745 //print out method name
746 output.println("void "+methodname+"(struct "+ cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix+", struct "+ cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals *"+localsprefix+", struct atomicprimitives_"+methodname+" * primitives) {");
747 //build code for commit method
749 //first define local primitives
750 Set<TempDescriptor> alltemps=delaycomp.alltemps(lb, faen, recordset);
751 for(Iterator<TempDescriptor> tmpit=alltemps.iterator(); tmpit.hasNext(); ) {
752 TempDescriptor tmp=tmpit.next();
753 if (!tmp.getType().isPtr()) {
754 if (liveinto.contains(tmp)||liveoutvirtualread.contains(tmp)) {
755 //read from live into set
756 output.println(tmp.getType().getSafeSymbol()+" "+tmp.getSafeSymbol()+"=primitives->"+tmp.getSafeSymbol()+";");
759 output.println(tmp.getType().getSafeSymbol()+" "+tmp.getSafeSymbol()+";");
763 //turn off write barrier generation
765 state.SINGLETM=false;
766 generateCode(faen, fm, lb, exitset, output, false);
768 //turn on write barrier generation
770 output.println("}\n\n");
774 //redefine these back to normal
776 localsprefixaddr="&"+localsprefix;
777 localsprefixderef=localsprefix+".";
779 generateHeader(fm, lb, md!=null ? md : task,output);
780 TempObject objecttemp=(TempObject) tempstable.get(lb!=null ? lb : md!=null ? md : task);
782 if (state.DELAYCOMP&&!lb.isAtomic()&&lb.getHasAtomic()) {
783 for(Iterator<AtomicRecord> arit=arset.iterator(); arit.hasNext(); ) {
784 AtomicRecord ar=arit.next();
785 output.println("struct atomicprimitives_"+ar.name+" primitives_"+ar.name+";");
789 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
790 if (md!=null&&(state.DSM||state.SINGLETM))
791 output.print(" struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
792 else if (md!=null&&!(state.DSM||state.SINGLETM))
793 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
795 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
796 output.print(objecttemp.numPointers()+",");
797 output.print(paramsprefix);
798 for(int j=0; j<objecttemp.numPointers(); j++)
799 output.print(", NULL");
800 output.println("};");
803 for(int i=0; i<objecttemp.numPrimitives(); i++) {
804 TempDescriptor td=objecttemp.getPrimitive(i);
805 TypeDescriptor type=td.getType();
806 if (type.isNull() && !type.isArray())
807 output.println(" void * "+td.getSafeSymbol()+";");
808 else if (state.MGC && type.isClass() && type.getClassDesc().isEnum()) {
809 output.println(" int " + td.getSafeSymbol() + ";");
810 } else if (type.isClass()||type.isArray())
811 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
813 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
818 additionalCodeAtTopFlatMethodBody(output, fm);
822 /* Check to see if we need to do a GC if this is a
823 * multi-threaded program...*/
825 if (((state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC)) {
826 //Don't bother if we aren't in recursive methods...The loops case will catch it
827 if (callgraph.getAllMethods(md).contains(md)) {
828 if (state.DSM&&lb.isAtomic())
829 output.println("if (needtocollect) checkcollect2("+localsprefixaddr+");");
831 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
835 generateCode(fm.getNext(0), fm, lb, null, output, true);
836 output.println("}\n\n");
841 protected void generateCode(FlatNode first,
844 Set<FlatNode> stopset,
848 /* Assign labels to FlatNode's if necessary.*/
850 Hashtable<FlatNode, Integer> nodetolabel;
852 if (state.DELAYCOMP&&!firstpass)
853 nodetolabel=dcassignLabels(first, stopset);
855 nodetolabel=assignLabels(first, stopset);
857 Set<FlatNode> storeset=null;
858 HashSet<FlatNode> genset=null;
859 HashSet<FlatNode> refset=null;
860 Set<FlatNode> unionset=null;
862 if (state.DELAYCOMP&&!lb.isAtomic()&&lb.getHasAtomic()) {
863 storeset=delaycomp.livecode(lb);
864 genset=new HashSet<FlatNode>();
865 if (state.STMARRAY&&!state.DUALVIEW) {
866 refset=new HashSet<FlatNode>();
867 refset.addAll(delaycomp.getDeref(lb));
868 refset.removeAll(delaycomp.getCannotDelay(lb));
869 refset.removeAll(delaycomp.getOther(lb));
872 genset.addAll(delaycomp.getCannotDelay(lb));
873 genset.addAll(delaycomp.getOther(lb));
875 genset.addAll(delaycomp.getNotReady(lb));
876 if (state.STMARRAY&&!state.DUALVIEW) {
877 genset.removeAll(refset);
880 unionset=new HashSet<FlatNode>();
881 unionset.addAll(storeset);
882 unionset.addAll(genset);
883 if (state.STMARRAY&&!state.DUALVIEW)
884 unionset.addAll(refset);
887 /* Do the actual code generation */
888 FlatNode current_node=null;
889 HashSet tovisit=new HashSet();
890 HashSet visited=new HashSet();
892 tovisit.add(first.getNext(0));
895 while(current_node!=null||!tovisit.isEmpty()) {
896 if (current_node==null) {
897 current_node=(FlatNode)tovisit.iterator().next();
898 tovisit.remove(current_node);
899 } else if (tovisit.contains(current_node)) {
900 tovisit.remove(current_node);
902 visited.add(current_node);
903 if (nodetolabel.containsKey(current_node)) {
904 output.println("L"+nodetolabel.get(current_node)+":");
906 if (state.INSTRUCTIONFAILURE) {
907 if (state.THREAD||state.DSM||state.SINGLETM) {
908 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
910 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
912 if (current_node.numNext()==0||stopset!=null&&stopset.contains(current_node)) {
914 if (!state.DELAYCOMP||firstpass) {
915 generateFlatNode(fm, current_node, output);
917 //store primitive variables in out set
918 AtomicRecord ar=atomicmethodmap.get((FlatAtomicEnterNode)first);
919 Set<TempDescriptor> liveout=ar.liveout;
920 for(Iterator<TempDescriptor> tmpit=liveout.iterator(); tmpit.hasNext(); ) {
921 TempDescriptor tmp=tmpit.next();
922 output.println("primitives->"+tmp.getSafeSymbol()+"="+tmp.getSafeSymbol()+";");
926 if (current_node.kind()!=FKind.FlatReturnNode) {
928 // TODO add version for normal Java later
929 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
930 // a static block, check if it has been executed
931 output.println(" global_defs_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
935 output.println(" return;");
938 } else if(current_node.numNext()==1) {
940 if (state.DELAYCOMP) {
941 boolean specialprimitive=false;
942 //skip literals...no need to add extra overhead
943 if (storeset!=null&&storeset.contains(current_node)&¤t_node.kind()==FKind.FlatLiteralNode) {
944 TypeDescriptor typedesc=((FlatLiteralNode)current_node).getType();
945 if (!typedesc.isClass()&&!typedesc.isArray()) {
946 specialprimitive=true;
950 if (genset==null||genset.contains(current_node)||specialprimitive) {
951 generateFlatNode(fm, current_node, output);
953 if (state.STMARRAY&&!state.DUALVIEW&&refset!=null&&refset.contains(current_node)) {
954 //need to acquire lock
955 handleArrayDeref(fm, lb, current_node, output, firstpass);
957 if (storeset!=null&&storeset.contains(current_node)&&!specialprimitive) {
958 TempDescriptor wrtmp=current_node.writesTemps()[0];
960 //need to store value written by previous node
961 if (wrtmp.getType().isPtr()) {
962 //only lock the objects that may actually need locking
963 if (recorddc.getNeedTrans(lb, current_node)&&
964 (!state.STMARRAY||state.DUALVIEW||!wrtmp.getType().isArray()||
965 wrtmp.getType().getSymbol().equals(TypeUtil.ObjectClass))) {
966 output.println("STOREPTR("+generateTemp(fm, wrtmp)+");/* "+current_node.nodeid+" */");
968 output.println("STOREPTRNOLOCK("+generateTemp(fm, wrtmp)+");/* "+current_node.nodeid+" */");
971 output.println("STORE"+wrtmp.getType().getSafeDescriptor()+"("+generateTemp(fm, wrtmp)+");/* "+current_node.nodeid+" */");
974 //need to read value read by previous node
975 if (wrtmp.getType().isPtr()) {
976 output.println("RESTOREPTR("+generateTemp(fm, wrtmp)+");/* "+current_node.nodeid+" */");
978 output.println("RESTORE"+wrtmp.getType().getSafeDescriptor()+"("+generateTemp(fm, wrtmp)+"); /* "+current_node.nodeid+" */");
982 nextnode=current_node.getNext(0);
985 generateFlatNode(fm, current_node, output);
986 nextnode=current_node.getNext(0);
988 if (visited.contains(nextnode)) {
989 output.println("goto L"+nodetolabel.get(nextnode)+";");
992 current_node=nextnode;
993 } else if (current_node.numNext()==2) {
995 if (state.DELAYCOMP) {
996 boolean computeside=false;
998 //need to record which way it should go
999 if (genset==null||genset.contains(current_node)) {
1000 if (storeset!=null&&storeset.contains(current_node)) {
1001 //need to store which way branch goes
1002 generateStoreFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
1004 generateFlatCondBranch(fm, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
1006 //which side to execute
1010 if (genset.contains(current_node)) {
1011 generateFlatCondBranch(fm, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
1012 } else if (storeset.contains(current_node)) {
1014 branchanalysis.generateGroupCode(current_node, output, nodetolabel);
1016 //which side to execute
1021 Set<FlatNode> leftset=DelayComputation.getNext(current_node, 0, unionset, lb,locality, true);
1023 if (leftset.size()==0)
1025 if (visited.contains(current_node.getNext(branch))) {
1026 //already visited -- build jump
1027 output.println("goto L"+nodetolabel.get(current_node.getNext(branch))+";");
1030 current_node=current_node.getNext(branch);
1033 if (!visited.contains(current_node.getNext(1)))
1034 tovisit.add(current_node.getNext(1));
1035 if (visited.contains(current_node.getNext(0))) {
1036 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
1039 current_node=current_node.getNext(0);
1043 generateFlatCondBranch(fm, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
1044 if (!visited.contains(current_node.getNext(1)))
1045 tovisit.add(current_node.getNext(1));
1046 if (visited.contains(current_node.getNext(0))) {
1047 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
1050 current_node=current_node.getNext(0);
1052 } else throw new Error();
1056 protected void handleArrayDeref(FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output, boolean firstpass) {
1057 if (fn.kind()==FKind.FlatSetElementNode) {
1058 FlatSetElementNode fsen=(FlatSetElementNode) fn;
1059 String dst=generateTemp(fm, fsen.getDst());
1060 String src=generateTemp(fm, fsen.getSrc());
1061 String index=generateTemp(fm, fsen.getIndex());
1062 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
1064 if (elementtype.isArray()||elementtype.isClass())
1067 type=elementtype.getSafeSymbol()+" ";
1069 output.println("STOREARRAY("+dst+","+index+","+type+")");
1071 output.println("{");
1072 output.println(" struct ArrayObject *array;");
1073 output.println(" int index;");
1074 output.println(" RESTOREARRAY(array,index);");
1075 output.println(" (("+type+"*)(((char *)&array->___length___)+sizeof(int)))[index]="+src+";");
1076 output.println("}");
1078 } else if (fn.kind()==FKind.FlatElementNode) {
1079 FlatElementNode fen=(FlatElementNode) fn;
1080 String src=generateTemp(fm, fen.getSrc());
1081 String index=generateTemp(fm, fen.getIndex());
1082 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
1083 String dst=generateTemp(fm, fen.getDst());
1085 if (elementtype.isArray()||elementtype.isClass())
1088 type=elementtype.getSafeSymbol()+" ";
1090 output.println("STOREARRAY("+src+","+index+","+type+")");
1092 output.println("{");
1093 output.println(" struct ArrayObject *array;");
1094 output.println(" int index;");
1095 output.println(" RESTOREARRAY(array,index);");
1096 output.println(" "+dst+"=(("+type+"*)(((char *)&array->___length___)+sizeof(int)))[index];");
1097 output.println("}");
1101 /** Special label assignment for delaycomputation */
1102 protected Hashtable<FlatNode, Integer> dcassignLabels(FlatNode first, Set<FlatNode> lastset) {
1103 HashSet tovisit=new HashSet();
1104 HashSet visited=new HashSet();
1106 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
1108 //Label targets of branches
1109 Set<FlatNode> targets=branchanalysis.getTargets();
1110 for(Iterator<FlatNode> it=targets.iterator(); it.hasNext(); ) {
1111 nodetolabel.put(it.next(), new Integer(labelindex++));
1116 /*Assign labels first. A node needs a label if the previous
1117 * node has two exits or this node is a join point. */
1119 while(!tovisit.isEmpty()) {
1120 FlatNode fn=(FlatNode)tovisit.iterator().next();
1125 if(lastset!=null&&lastset.contains(fn)) {
1126 // if last is not null and matches, don't go
1127 // any further for assigning labels
1131 for(int i=0; i<fn.numNext(); i++) {
1132 FlatNode nn=fn.getNext(i);
1135 //1) Edge >1 of node
1136 nodetolabel.put(nn,new Integer(labelindex++));
1138 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
1142 nodetolabel.put(nn,new Integer(labelindex++));
1150 /** Generate text string that corresponds to the TempDescriptor td. */
1151 protected String generateTemp(FlatMethod fm, TempDescriptor td) {
1152 MethodDescriptor md=fm.getMethod();
1153 TaskDescriptor task=fm.getTask();
1154 TempObject objecttemps=(TempObject) tempstable.get(currlb!=null ? currlb : md!=null ? md : task);
1156 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
1157 return td.getSafeSymbol();
1160 if (objecttemps.isLocalPtr(td)) {
1161 return localsprefixderef+td.getSafeSymbol();
1164 if (objecttemps.isParamPtr(td)) {
1165 return paramsprefix+"->"+td.getSafeSymbol();
1171 public void generateFlatBackEdge(FlatMethod fm, FlatBackEdge fn, PrintWriter output) {
1172 if (state.SINGLETM&&state.SANDBOX&&(locality.getAtomic(currlb).get(fn).intValue()>0)) {
1173 output.println("if (unlikely((--transaction_check_counter)<=0)) checkObjects();");
1175 if(state.DSM&&state.SANDBOX&&(locality.getAtomic(currlb).get(fn).intValue()>0)) {
1176 output.println("if (unlikely((--transaction_check_counter)<=0)) checkObjects();");
1178 if (((state.THREAD||state.DSM||state.SINGLETM)&&GENERATEPRECISEGC)) {
1179 if(state.DSM&&locality.getAtomic(currlb).get(fn).intValue()>0) {
1180 output.println("if (needtocollect) checkcollect2("+localsprefixaddr+");");
1182 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
1185 output.println("/* nop */");
1189 public void generateFlatPrefetchNode(FlatMethod fm, FlatPrefetchNode fpn, PrintWriter output) {
1190 if (state.PREFETCH) {
1191 Vector oids = new Vector();
1192 Vector fieldoffset = new Vector();
1193 Vector endoffset = new Vector();
1194 int tuplecount = 0; //Keeps track of number of prefetch tuples that need to be generated
1195 for(Iterator it = fpn.hspp.iterator(); it.hasNext(); ) {
1196 PrefetchPair pp = (PrefetchPair) it.next();
1197 Integer statusbase = locality.getNodePreTempInfo(currlb,fpn).get(pp.base);
1198 /* Find prefetches that can generate oid */
1199 if(statusbase == LocalityAnalysis.GLOBAL) {
1200 generateTransCode(fm, currlb, pp, oids, fieldoffset, endoffset, tuplecount, locality.getAtomic(currlb).get(fpn).intValue()>0, false);
1202 } else if (statusbase == LocalityAnalysis.LOCAL) {
1203 generateTransCode(fm,currlb,pp,oids,fieldoffset,endoffset,tuplecount,false,true);
1210 System.out.println("Adding prefetch "+fpn+ " to method:" +fm);
1211 output.println("{");
1212 output.println("/* prefetch */");
1213 output.println("/* prefetchid_" + fpn.siteid + " */");
1214 output.println("void * prefptr;");
1215 output.println("int tmpindex;");
1217 output.println("if((evalPrefetch["+fpn.siteid+"].operMode) || (evalPrefetch["+fpn.siteid+"].retrycount <= 0)) {");
1218 /*Create C code for oid array */
1219 output.print(" unsigned int oidarray_[] = {");
1220 boolean needcomma=false;
1221 for (Iterator it = oids.iterator(); it.hasNext(); ) {
1224 output.print(it.next());
1227 output.println("};");
1229 /*Create C code for endoffset values */
1230 output.print(" unsigned short endoffsetarry_[] = {");
1232 for (Iterator it = endoffset.iterator(); it.hasNext(); ) {
1235 output.print(it.next());
1238 output.println("};");
1240 /*Create C code for Field Offset Values */
1241 output.print(" short fieldarry_[] = {");
1243 for (Iterator it = fieldoffset.iterator(); it.hasNext(); ) {
1246 output.print(it.next());
1249 output.println("};");
1250 /* make the prefetch call to Runtime */
1251 output.println(" if(!evalPrefetch["+fpn.siteid+"].operMode) {");
1252 output.println(" evalPrefetch["+fpn.siteid+"].retrycount = RETRYINTERVAL;");
1253 output.println(" }");
1254 output.println(" prefetch("+fpn.siteid+" ,"+tuplecount+", oidarray_, endoffsetarry_, fieldarry_);");
1255 output.println(" } else {");
1256 output.println(" evalPrefetch["+fpn.siteid+"].retrycount--;");
1257 output.println(" }");
1258 output.println("}");
1262 public void generateTransCode(FlatMethod fm, LocalityBinding lb,PrefetchPair pp, Vector oids, Vector fieldoffset, Vector endoffset, int tuplecount, boolean inside, boolean localbase) {
1263 short offsetcount = 0;
1267 } else if (localbase) {
1268 for(; breakindex<pp.desc.size(); breakindex++) {
1269 Descriptor desc=pp.getDescAt(breakindex);
1270 if (desc instanceof FieldDescriptor) {
1271 FieldDescriptor fd=(FieldDescriptor)desc;
1272 if (fd.isGlobal()) {
1280 if (breakindex>pp.desc.size()) //all local
1283 TypeDescriptor lasttype=pp.base.getType();
1284 String basestr=generateTemp(fm, pp.base);
1286 boolean maybenull=fm.getMethod().isStatic()||
1287 !pp.base.equals(fm.getParameter(0));
1289 for(int i=0; i<breakindex; i++) {
1290 String indexcheck="";
1292 Descriptor desc=pp.getDescAt(i);
1293 if (desc instanceof FieldDescriptor) {
1294 FieldDescriptor fd=(FieldDescriptor)desc;
1296 if (!teststr.equals(""))
1298 teststr+="((prefptr="+basestr+")!=NULL)";
1299 basestr="((struct "+lasttype.getSafeSymbol()+" *)prefptr)->"+
1302 basestr=basestr+"->"+
1306 lasttype=fd.getType();
1308 IndexDescriptor id=(IndexDescriptor)desc;
1309 indexcheck="((tmpindex=";
1310 for(int j=0; j<id.tddesc.size(); j++) {
1311 indexcheck+=generateTemp(fm, id.getTempDescAt(j))+"+";
1313 indexcheck+=id.offset+")>=0)&(tmpindex<((struct ArrayObject *)prefptr)->___length___)";
1315 if (!teststr.equals(""))
1317 teststr+="((prefptr="+basestr+")!= NULL) &&"+indexcheck;
1318 basestr="((void **)(((char *) &(((struct ArrayObject *)prefptr)->___length___))+sizeof(int)))[tmpindex]";
1320 lasttype=lasttype.dereference();
1325 if (teststr.equals("")) {
1326 oid="((unsigned int)"+basestr+")";
1328 oid="((unsigned int)(("+teststr+")?"+basestr+":NULL))";
1332 for(int i = breakindex; i < pp.desc.size(); i++) {
1333 String newfieldoffset;
1334 Object desc = pp.getDescAt(i);
1335 if(desc instanceof FieldDescriptor) {
1336 FieldDescriptor fd=(FieldDescriptor)desc;
1337 newfieldoffset = new String("(unsigned int)(&(((struct "+ lasttype.getSafeSymbol()+" *)0)->"+ fd.getSafeSymbol()+ "))");
1338 lasttype=fd.getType();
1340 newfieldoffset = "";
1341 IndexDescriptor id=(IndexDescriptor)desc;
1342 for(int j = 0; j < id.tddesc.size(); j++) {
1343 newfieldoffset += generateTemp(fm, id.getTempDescAt(j)) + "+";
1345 newfieldoffset += id.offset.toString();
1346 lasttype=lasttype.dereference();
1348 fieldoffset.add(newfieldoffset);
1351 int base=(tuplecount>0) ? ((Short)endoffset.get(tuplecount-1)).intValue() : 0;
1352 base+=pp.desc.size()-breakindex;
1353 endoffset.add(new Short((short)base));
1358 public void generateFlatGlobalConvNode(FlatMethod fm, FlatGlobalConvNode fgcn, PrintWriter output) {
1359 if (currlb!=fgcn.getLocality())
1361 /* Have to generate flat globalconv */
1362 if (fgcn.getMakePtr()) {
1364 output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc())+", (unsigned int) "+generateTemp(fm, fgcn.getSrc())+");");
1366 if ((dc==null)||!state.READSET&&dc.getNeedTrans(currlb, fgcn)||state.READSET&&dc.getNeedWriteTrans(currlb, fgcn)) {
1367 //need to do translation
1368 output.println("TRANSREAD("+generateTemp(fm, fgcn.getSrc())+", "+generateTemp(fm, fgcn.getSrc())+", (void *)("+localsprefixaddr+"));");
1369 } else if (state.READSET&&dc.getNeedTrans(currlb, fgcn)) {
1370 if (state.HYBRID&&delaycomp.getConv(currlb).contains(fgcn)) {
1371 output.println("TRANSREADRDFISSION("+generateTemp(fm, fgcn.getSrc())+", "+generateTemp(fm, fgcn.getSrc())+");");
1373 output.println("TRANSREADRD("+generateTemp(fm, fgcn.getSrc())+", "+generateTemp(fm, fgcn.getSrc())+");");
1377 /* Need to convert to OID */
1378 if ((dc==null)||dc.getNeedSrcTrans(currlb,fgcn)) {
1379 if (fgcn.doConvert()||(delaycomp!=null&&delaycomp.needsFission(currlb, fgcn.getAtomicEnter())&&atomicmethodmap.get(fgcn.getAtomicEnter()).reallivein.contains(fgcn.getSrc()))) {
1380 output.println(generateTemp(fm, fgcn.getSrc())+"=(void *)COMPOID("+generateTemp(fm, fgcn.getSrc())+");");
1382 output.println(generateTemp(fm, fgcn.getSrc())+"=NULL;");
1388 int sandboxcounter=0;
1389 public void generateFlatAtomicEnterNode(FlatMethod fm, FlatAtomicEnterNode faen, PrintWriter output) {
1390 /* Check to see if we need to generate code for this atomic */
1391 if (locality==null) {
1392 if (GENERATEPRECISEGC) {
1393 output.println("if (pthread_mutex_trylock(&atomiclock)!=0) {");
1394 output.println("stopforgc((struct garbagelist *) &___locals___);");
1395 output.println("pthread_mutex_lock(&atomiclock);");
1396 output.println("restartaftergc();");
1397 output.println("}");
1399 output.println("pthread_mutex_lock(&atomiclock);");
1404 if (locality.getAtomic(currlb).get(faen.getPrev(0)).intValue()>0)
1408 if (state.SANDBOX) {
1409 outsandbox.println("int atomiccounter"+sandboxcounter+"=LOW_CHECK_FREQUENCY;");
1410 output.println("counter_reset_pointer=&atomiccounter"+sandboxcounter+";");
1413 if (state.DELAYCOMP&&delaycomp.needsFission(currlb, faen)) {
1414 AtomicRecord ar=atomicmethodmap.get(faen);
1416 for(Iterator<TempDescriptor> tmpit=ar.livein.iterator(); tmpit.hasNext(); ) {
1417 TempDescriptor tmp=tmpit.next();
1418 output.println("primitives_"+ar.name+"."+tmp.getSafeSymbol()+"="+tmp.getSafeSymbol()+";");
1421 //copy outs that depend on path
1422 for(Iterator<TempDescriptor> tmpit=ar.liveoutvirtualread.iterator(); tmpit.hasNext(); ) {
1423 TempDescriptor tmp=tmpit.next();
1424 if (!ar.livein.contains(tmp))
1425 output.println("primitives_"+ar.name+"."+tmp.getSafeSymbol()+"="+tmp.getSafeSymbol()+";");
1429 /* Backup the temps. */
1430 for(Iterator<TempDescriptor> tmpit=locality.getTemps(currlb).get(faen).iterator(); tmpit.hasNext(); ) {
1431 TempDescriptor tmp=tmpit.next();
1432 output.println(generateTemp(fm, backuptable.get(currlb).get(tmp))+"="+generateTemp(fm,tmp)+";");
1435 output.println("goto transstart"+faen.getIdentifier()+";");
1437 /******* Print code to retry aborted transaction *******/
1438 output.println("transretry"+faen.getIdentifier()+":");
1441 for(Iterator<TempDescriptor> tmpit=locality.getTemps(currlb).get(faen).iterator(); tmpit.hasNext(); ) {
1442 TempDescriptor tmp=tmpit.next();
1443 output.println(generateTemp(fm, tmp)+"="+generateTemp(fm,backuptable.get(currlb).get(tmp))+";");
1447 /********* Need to revert local object store ********/
1448 String revertptr=generateTemp(fm, reverttable.get(currlb));
1450 output.println("while ("+revertptr+") {");
1451 output.println("struct ___Object___ * tmpptr;");
1452 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1453 output.println("REVERT_OBJ("+revertptr+");");
1454 output.println(revertptr+"=tmpptr;");
1455 output.println("}");
1457 /******* Tell the runtime to start the transaction *******/
1459 output.println("transstart"+faen.getIdentifier()+":");
1460 if (state.SANDBOX) {
1461 output.println("transaction_check_counter=*counter_reset_pointer;");
1464 output.println("transStart();");
1466 if (state.ABORTREADERS||state.SANDBOX) {
1468 output.println("abortenabled=1;");
1469 output.println("if (_setjmp(aborttrans)) {");
1470 output.println(" goto transretry"+faen.getIdentifier()+"; }");
1474 public void generateFlatAtomicExitNode(FlatMethod fm, FlatAtomicExitNode faen, PrintWriter output) {
1475 /* Check to see if we need to generate code for this atomic */
1476 if (locality==null) {
1477 output.println("pthread_mutex_unlock(&atomiclock);");
1480 if (locality.getAtomic(currlb).get(faen).intValue()>0)
1482 //store the revert list before we lose the transaction object
1485 String revertptr=generateTemp(fm, reverttable.get(currlb));
1486 output.println(revertptr+"=revertlist;");
1487 output.println("if (transCommit()) {");
1488 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
1489 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
1490 output.println("} else {");
1491 /* Need to commit local object store */
1492 output.println("while ("+revertptr+") {");
1493 output.println("struct ___Object___ * tmpptr;");
1494 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1495 output.println("COMMIT_OBJ("+revertptr+");");
1496 output.println(revertptr+"=tmpptr;");
1497 output.println("}");
1498 output.println("}");
1502 if (!state.DELAYCOMP) {
1504 output.println("if (transCommit()) {");
1505 /* Transaction aborts if it returns true */
1506 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
1507 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
1508 output.println("}");
1510 if (delaycomp.optimizeTrans(currlb, faen.getAtomicEnter())&&(!state.STMARRAY||state.DUALVIEW)) {
1511 AtomicRecord ar=atomicmethodmap.get(faen.getAtomicEnter());
1512 output.println("LIGHTWEIGHTCOMMIT("+ar.name+", &primitives_"+ar.name+", &"+localsprefix+", "+paramsprefix+", transretry"+faen.getAtomicEnter().getIdentifier()+");");
1514 for(Iterator<TempDescriptor> tmpit=ar.liveout.iterator(); tmpit.hasNext(); ) {
1515 TempDescriptor tmp=tmpit.next();
1516 output.println(tmp.getSafeSymbol()+"=primitives_"+ar.name+"."+tmp.getSafeSymbol()+";");
1518 } else if (delaycomp.needsFission(currlb, faen.getAtomicEnter())) {
1519 AtomicRecord ar=atomicmethodmap.get(faen.getAtomicEnter());
1521 output.println("if (transCommit((void (*)(void *, void *, void *))&"+ar.name+", &primitives_"+ar.name+", &"+localsprefix+", "+paramsprefix+")) {");
1522 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
1523 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
1524 output.println("}");
1526 output.println("else {");
1527 for(Iterator<TempDescriptor> tmpit=ar.liveout.iterator(); tmpit.hasNext(); ) {
1528 TempDescriptor tmp=tmpit.next();
1529 output.println(tmp.getSafeSymbol()+"=primitives_"+ar.name+"."+tmp.getSafeSymbol()+";");
1531 output.println("}");
1533 output.println("if (transCommit(NULL, NULL, NULL, NULL)) {");
1534 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
1535 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
1536 output.println("}");
1541 protected void generateFlatCall(FlatMethod fm, FlatCall fc, PrintWriter output) {
1542 MethodDescriptor md=fc.getMethod();
1543 ParamsObject objectparams=(ParamsObject)paramstable.get(currlb!=null ? locality.getBinding(currlb, fc) : md);
1544 ClassDescriptor cn=md.getClassDesc();
1546 // if the called method is a static block or a static method or a constructor
1547 // need to check if it can be invoked inside some static block
1549 // TODO add version for normal Java later
1550 if((md.isStatic() || md.isStaticBlock() || md.isConstructor()) &&
1551 ((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic()))) {
1552 if(!md.isInvokedByStatic()) {
1553 System.err.println("Error: a method that is invoked inside a static block is not tagged!");
1555 // is a static block or is invoked in some static block
1556 ClassDescriptor cd = fm.getMethod().getClassDesc();
1558 // the same class, do nothing
1559 // TODO may want to invoke static field initialization here
1561 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
1562 // need to check if the class' static fields have been initialized and/or
1563 // its static blocks have been executed
1564 output.println("#ifdef MGC_STATIC_INIT_CHECK");
1565 output.println("if(global_defs_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
1566 if(cn.getNumStaticBlocks() != 0) {
1567 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
1568 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
1570 output.println(" global_defs_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
1572 output.println("}");
1573 output.println("#endif // MGC_STATIC_INIT_CHECK");
1577 if((md.getSymbol().equals("MonitorEnter") || md.getSymbol().equals("MonitorExit")) && fc.getThis().getSymbol().equals("classobj")) {
1578 // call MonitorEnter/MonitorExit on a class obj
1579 output.println(" " + cn.getSafeSymbol()+md.getSafeSymbol()+"_"
1580 +md.getSafeMethodDescriptor() + "((struct ___Object___*)(&global_defs_p->"
1581 + fc.getThis().getType().getClassDesc().getSafeSymbol() +"classobj));");
1586 output.println("{");
1587 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1589 LocalityBinding fclb=locality.getBinding(currlb, fc);
1590 output.print(" struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
1592 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
1593 output.print(objectparams.numPointers());
1594 output.print(", "+localsprefixaddr);
1595 if (md.getThis()!=null) {
1597 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis()));
1599 if (fc.getThis()!=null&&md.getThis()==null) {
1600 System.out.println("WARNING!!!!!!!!!!!!");
1601 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
1605 for(int i=0; i<fc.numArgs(); i++) {
1606 Descriptor var=md.getParameter(i);
1607 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
1608 if (objectparams.isParamPtr(paramtemp)) {
1609 TempDescriptor targ=fc.getArg(i);
1611 TypeDescriptor td=md.getParamType(i);
1613 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ));
1615 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ));
1618 output.println("};");
1623 if (fc.getReturnTemp()!=null)
1624 output.print(generateTemp(fm,fc.getReturnTemp())+"=");
1626 /* Do we need to do virtual dispatch? */
1627 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)) {
1630 LocalityBinding fclb=locality.getBinding(currlb, fc);
1631 output.print(cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1633 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1638 if (state.MGC && md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1639 output.print("int ");
1640 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1641 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1643 output.print(md.getReturnType().getSafeSymbol()+" ");
1644 output.print("(*)(");
1646 boolean printcomma=false;
1647 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1649 LocalityBinding fclb=locality.getBinding(currlb, fc);
1650 output.print("struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
1652 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
1656 for(int i=0; i<objectparams.numPrimitives(); i++) {
1657 TempDescriptor temp=objectparams.getPrimitive(i);
1661 if (state.MGC && temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1662 output.print("int ");
1663 } else if (temp.getType().isClass()||temp.getType().isArray())
1664 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
1666 output.print(temp.getType().getSafeSymbol());
1671 LocalityBinding fclb=locality.getBinding(currlb, fc);
1672 output.print("))virtualtable["+generateTemp(fm,fc.getThis())+"->type*"+maxcount+"+"+virtualcalls.getLocalityNumber(fclb)+"])");
1674 output.print("))virtualtable["+generateTemp(fm,fc.getThis())+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
1678 boolean needcomma=false;
1679 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1680 output.print("&__parameterlist__");
1684 if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
1685 if (fc.getThis()!=null) {
1686 TypeDescriptor ptd=null;
1687 if(md.getThis() != null) {
1688 ptd = md.getThis().getType();
1690 ptd = fc.getThis().getType();
1694 if(state.MGC && ptd.isClass() && ptd.getClassDesc().isEnum()) {
1696 } else if (ptd.isClass()&&!ptd.isArray())
1697 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
1698 output.print(generateTemp(fm,fc.getThis()));
1703 for(int i=0; i<fc.numArgs(); i++) {
1704 Descriptor var=md.getParameter(i);
1705 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
1706 if (objectparams.isParamPrim(paramtemp)) {
1707 TempDescriptor targ=fc.getArg(i);
1711 TypeDescriptor ptd=md.getParamType(i);
1712 if (state.MGC && ptd.isClass() && ptd.getClassDesc().isEnum()) {
1714 } else if (ptd.isClass()&&!ptd.isArray())
1715 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
1716 output.print(generateTemp(fm, targ));
1720 output.println(");");
1721 output.println(" }");
1725 protected void generateFlatFieldNode(FlatMethod fm, FlatFieldNode ffn, PrintWriter output) {
1726 if (state.SINGLETM) {
1727 //single machine transactional memory case
1728 String field=ffn.getField().getSafeSymbol();
1729 String src=generateTemp(fm, ffn.getSrc());
1730 String dst=generateTemp(fm, ffn.getDst());
1732 output.println(dst+"="+ src +"->"+field+ ";");
1733 if (ffn.getField().getType().isPtr()&&locality.getAtomic(currlb).get(ffn).intValue()>0&&
1734 locality.getNodePreTempInfo(currlb, ffn).get(ffn.getSrc())!=LocalityAnalysis.SCRATCH) {
1735 if ((dc==null)||(!state.READSET&&dc.getNeedTrans(currlb, ffn))||
1736 (state.READSET&&dc.getNeedWriteTrans(currlb, ffn))) {
1737 output.println("TRANSREAD("+dst+", "+dst+", (void *) (" + localsprefixaddr + "));");
1738 } else if (state.READSET&&dc.getNeedTrans(currlb, ffn)) {
1739 if (state.HYBRID&&delaycomp.getConv(currlb).contains(ffn)) {
1740 output.println("TRANSREADRDFISSION("+dst+", "+dst+");");
1742 output.println("TRANSREADRD("+dst+", "+dst+");");
1745 } else if (state.DSM) {
1746 Integer status=locality.getNodePreTempInfo(currlb,ffn).get(ffn.getSrc());
1747 if (status==LocalityAnalysis.GLOBAL) {
1748 String field=ffn.getField().getSafeSymbol();
1749 String src=generateTemp(fm, ffn.getSrc());
1750 String dst=generateTemp(fm, ffn.getDst());
1752 if (ffn.getField().getType().isPtr()) {
1753 output.println(dst+"="+ src +"->"+field+ ";");
1754 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
1756 output.println(dst+"="+ src+"->"+field+";");
1758 } else if (status==LocalityAnalysis.LOCAL) {
1759 if (ffn.getField().getType().isPtr()&&
1760 ffn.getField().isGlobal()) {
1761 String field=ffn.getField().getSafeSymbol();
1762 String src=generateTemp(fm, ffn.getSrc());
1763 String dst=generateTemp(fm, ffn.getDst());
1764 output.println(dst+"="+ src +"->"+field+ ";");
1765 if (locality.getAtomic(currlb).get(ffn).intValue()>0)
1766 output.println("TRANSREAD("+dst+", (unsigned int) "+dst+");");
1768 output.println(generateTemp(fm, ffn.getDst())+"="+ generateTemp(fm,ffn.getSrc())+"->"+ ffn.getField().getSafeSymbol()+";");
1769 } else if (status==LocalityAnalysis.EITHER) {
1770 //Code is reading from a null pointer
1771 output.println("if ("+generateTemp(fm, ffn.getSrc())+") {");
1772 output.println("#ifndef RAW");
1773 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
1774 output.println("#endif");
1775 //This should throw a suitable null pointer error
1776 output.println(generateTemp(fm, ffn.getDst())+"="+ generateTemp(fm,ffn.getSrc())+"->"+ ffn.getField().getSafeSymbol()+";");
1778 throw new Error("Read from non-global/non-local in:"+currlb.getExplanation());
1782 protected void generateFlatSetFieldNode(FlatMethod fm, FlatSetFieldNode fsfn, PrintWriter output) {
1783 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
1784 throw new Error("Can't set array length");
1785 if (state.SINGLETM && locality.getAtomic(currlb).get(fsfn).intValue()>0) {
1786 //Single Machine Transaction Case
1787 boolean srcptr=fsfn.getSrc().getType().isPtr();
1788 String src=generateTemp(fm,fsfn.getSrc());
1789 String dst=generateTemp(fm,fsfn.getDst());
1790 output.println("//"+srcptr+" "+fsfn.getSrc().getType().isNull());
1791 if (srcptr&&!fsfn.getSrc().getType().isNull()) {
1792 output.println("{");
1793 if ((dc==null)||dc.getNeedSrcTrans(currlb, fsfn)&&
1794 locality.getNodePreTempInfo(currlb, fsfn).get(fsfn.getSrc())!=LocalityAnalysis.SCRATCH) {
1795 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
1797 output.println("INTPTR srcoid=(INTPTR)"+src+";");
1800 if (wb.needBarrier(fsfn)&&
1801 locality.getNodePreTempInfo(currlb, fsfn).get(fsfn.getDst())!=LocalityAnalysis.SCRATCH) {
1802 if (state.EVENTMONITOR) {
1803 output.println("if ("+dst+"->___objstatus___&DIRTY) EVLOGEVENTOBJ(EV_WRITE,"+dst+"->objuid)");
1805 output.println("*((unsigned int *)&("+dst+"->___objstatus___))|=DIRTY;");
1807 if (srcptr&!fsfn.getSrc().getType().isNull()) {
1808 output.println("*((unsigned INTPTR *)&("+dst+"->"+
1809 fsfn.getField().getSafeSymbol()+"))=srcoid;");
1810 output.println("}");
1812 output.println(dst+"->"+
1813 fsfn.getField().getSafeSymbol()+"="+ src+";");
1815 } else if (state.DSM && locality.getAtomic(currlb).get(fsfn).intValue()>0) {
1816 Integer statussrc=locality.getNodePreTempInfo(currlb,fsfn).get(fsfn.getSrc());
1817 Integer statusdst=locality.getNodeTempInfo(currlb).get(fsfn).get(fsfn.getDst());
1818 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
1820 String src=generateTemp(fm,fsfn.getSrc());
1821 String dst=generateTemp(fm,fsfn.getDst());
1823 output.println("{");
1824 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
1826 if (statusdst.equals(LocalityAnalysis.GLOBAL)) {
1829 if (wb.needBarrier(fsfn))
1830 output.println("*((unsigned int *)&("+dst+"->___localcopy___))|=DIRTY;");
1832 output.println("*((unsigned INTPTR *)&("+glbdst+"->"+
1833 fsfn.getField().getSafeSymbol()+"))=srcoid;");
1835 output.println(glbdst+"->"+
1836 fsfn.getField().getSafeSymbol()+"="+ src+";");
1837 } else if (statusdst.equals(LocalityAnalysis.LOCAL)) {
1838 /** Check if we need to copy */
1839 output.println("if(!"+dst+"->"+localcopystr+") {");
1840 /* Link object into list */
1841 String revertptr=generateTemp(fm, reverttable.get(currlb));
1842 output.println(revertptr+"=revertlist;");
1843 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
1844 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
1846 output.println("COPY_OBJ("+dst+");");
1847 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
1848 output.println("revertlist=(struct ___Object___ *)"+dst+";");
1849 output.println("}");
1851 output.println(dst+"->"+
1852 fsfn.getField().getSafeSymbol()+"=(void *) srcoid;");
1854 output.println(dst+"->"+
1855 fsfn.getField().getSafeSymbol()+"="+ src+";");
1856 } else if (statusdst.equals(LocalityAnalysis.EITHER)) {
1857 //writing to a null...bad
1858 output.println("if ("+dst+") {");
1859 output.println("printf(\"BIG ERROR 2\\n\");exit(-1);}");
1861 output.println(dst+"->"+
1862 fsfn.getField().getSafeSymbol()+"=(void *) srcoid;");
1864 output.println(dst+"->"+
1865 fsfn.getField().getSafeSymbol()+"="+ src+";");
1868 output.println("}");
1873 protected void generateFlatElementNode(FlatMethod fm, FlatElementNode fen, PrintWriter output) {
1874 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
1877 if (state.MGC && elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
1879 } else if (elementtype.isArray()||elementtype.isClass())
1882 type=elementtype.getSafeSymbol()+" ";
1884 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
1885 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fen.getIndex())+") >= "+generateTemp(fm,fen.getSrc()) + "->___length___))");
1886 output.println("failedboundschk();");
1888 if (state.SINGLETM) {
1889 //Single machine transaction case
1890 String dst=generateTemp(fm, fen.getDst());
1891 if ((!state.STMARRAY)||(!wb.needBarrier(fen))||locality.getNodePreTempInfo(currlb, fen).get(fen.getSrc())==LocalityAnalysis.SCRATCH||locality.getAtomic(currlb).get(fen).intValue()==0||(state.READSET&&!dc.getNeedGet(currlb, fen))) {
1892 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc())+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex())+"];");
1894 output.println("STMGETARRAY("+dst+", "+ generateTemp(fm,fen.getSrc())+", "+generateTemp(fm, fen.getIndex())+", "+type+");");
1897 if (elementtype.isPtr()&&locality.getAtomic(currlb).get(fen).intValue()>0&&
1898 locality.getNodePreTempInfo(currlb, fen).get(fen.getSrc())!=LocalityAnalysis.SCRATCH) {
1899 if ((dc==null)||!state.READSET&&dc.getNeedTrans(currlb, fen)||state.READSET&&dc.getNeedWriteTrans(currlb, fen)) {
1900 output.println("TRANSREAD("+dst+", "+dst+", (void *)(" + localsprefixaddr+"));");
1901 } else if (state.READSET&&dc.getNeedTrans(currlb, fen)) {
1902 if (state.HYBRID&&delaycomp.getConv(currlb).contains(fen)) {
1903 output.println("TRANSREADRDFISSION("+dst+", "+dst+");");
1905 output.println("TRANSREADRD("+dst+", "+dst+");");
1908 } else if (state.DSM) {
1909 Integer status=locality.getNodePreTempInfo(currlb,fen).get(fen.getSrc());
1910 if (status==LocalityAnalysis.GLOBAL) {
1911 String dst=generateTemp(fm, fen.getDst());
1912 if (elementtype.isPtr()) {
1913 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc())+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex())+"];");
1914 output.println("TRANSREAD("+dst+", "+dst+");");
1916 output.println(dst +"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc())+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex())+"];");
1918 } else if (status==LocalityAnalysis.LOCAL) {
1919 output.println(generateTemp(fm, fen.getDst())+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc())+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex())+"];");
1920 } else if (status==LocalityAnalysis.EITHER) {
1921 //Code is reading from a null pointer
1922 output.println("if ("+generateTemp(fm, fen.getSrc())+") {");
1923 output.println("#ifndef RAW");
1924 output.println("printf(\"BIG ERROR\\n\");exit(-1);}");
1925 output.println("#endif");
1926 //This should throw a suitable null pointer error
1927 output.println(generateTemp(fm, fen.getDst())+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc())+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex())+"];");
1929 throw new Error("Read from non-global/non-local in:"+currlb.getExplanation());
1933 protected void generateFlatSetElementNode(FlatMethod fm, FlatSetElementNode fsen, PrintWriter output) {
1934 //TODO: need dynamic check to make sure this assignment is actually legal
1935 //Because Object[] could actually be something more specific...ie. Integer[]
1937 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
1940 if (state.MGC && elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
1942 } else if (elementtype.isArray()||elementtype.isClass() || (state.MGC && elementtype.isNull()))
1945 type=elementtype.getSafeSymbol()+" ";
1947 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
1948 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fsen.getIndex())+") >= "+generateTemp(fm,fsen.getDst()) + "->___length___))");
1949 output.println("failedboundschk();");
1952 if (state.SINGLETM && locality.getAtomic(currlb).get(fsen).intValue()>0) {
1953 //Transaction set element case
1954 if (wb.needBarrier(fsen)&&
1955 locality.getNodePreTempInfo(currlb, fsen).get(fsen.getDst())!=LocalityAnalysis.SCRATCH) {
1956 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst())+"->___objstatus___))|=DIRTY;");
1958 if (fsen.getSrc().getType().isPtr()&&!fsen.getSrc().getType().isNull()) {
1959 output.println("{");
1960 String src=generateTemp(fm, fsen.getSrc());
1961 if ((dc==null)||dc.getNeedSrcTrans(currlb, fsen)&&
1962 locality.getNodePreTempInfo(currlb, fsen).get(fsen.getSrc())!=LocalityAnalysis.SCRATCH) {
1963 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
1965 output.println("INTPTR srcoid=(INTPTR)"+src+";");
1967 if (state.STMARRAY&&locality.getNodePreTempInfo(currlb, fsen).get(fsen.getDst())!=LocalityAnalysis.SCRATCH&&wb.needBarrier(fsen)&&locality.getAtomic(currlb).get(fsen).intValue()>0) {
1968 output.println("STMSETARRAY("+generateTemp(fm, fsen.getDst())+", "+generateTemp(fm, fsen.getIndex())+", srcoid, INTPTR);");
1970 output.println("((INTPTR*)(((char *) &("+ generateTemp(fm,fsen.getDst())+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex())+"]=srcoid;");
1972 output.println("}");
1974 if (state.STMARRAY&&locality.getNodePreTempInfo(currlb, fsen).get(fsen.getDst())!=LocalityAnalysis.SCRATCH&&wb.needBarrier(fsen)&&locality.getAtomic(currlb).get(fsen).intValue()>0) {
1975 output.println("STMSETARRAY("+generateTemp(fm, fsen.getDst())+", "+generateTemp(fm, fsen.getIndex())+", "+ generateTemp(fm, fsen.getSrc()) +", "+type+");");
1977 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst())+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex())+"]="+generateTemp(fm,fsen.getSrc())+";");
1980 } else if (state.DSM && locality.getAtomic(currlb).get(fsen).intValue()>0) {
1981 Integer statussrc=locality.getNodePreTempInfo(currlb,fsen).get(fsen.getSrc());
1982 Integer statusdst=locality.getNodePreTempInfo(currlb,fsen).get(fsen.getDst());
1983 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
1984 boolean dstglobal=statusdst==LocalityAnalysis.GLOBAL;
1985 boolean dstlocal=(statusdst==LocalityAnalysis.LOCAL)||(statusdst==LocalityAnalysis.EITHER);
1988 if (wb.needBarrier(fsen))
1989 output.println("*((unsigned int *)&("+generateTemp(fm,fsen.getDst())+"->___localcopy___))|=DIRTY;");
1990 } else if (dstlocal) {
1991 /** Check if we need to copy */
1992 String dst=generateTemp(fm, fsen.getDst());
1993 output.println("if(!"+dst+"->"+localcopystr+") {");
1994 /* Link object into list */
1995 String revertptr=generateTemp(fm, reverttable.get(currlb));
1996 output.println(revertptr+"=revertlist;");
1997 if ((GENERATEPRECISEGC) || this.state.MULTICOREGC)
1998 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
2000 output.println("COPY_OBJ("+dst+");");
2001 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2002 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2003 output.println("}");
2005 System.out.println("Node: "+fsen);
2006 System.out.println(currlb);
2007 System.out.println("statusdst="+statusdst);
2008 System.out.println(fm.printMethod());
2009 throw new Error("Unknown array type");
2012 output.println("{");
2013 String src=generateTemp(fm, fsen.getSrc());
2014 output.println("INTPTR srcoid=("+src+"!=NULL?((INTPTR)"+src+"->"+oidstr+"):0);");
2015 output.println("((INTPTR*)(((char *) &("+ generateTemp(fm,fsen.getDst())+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex())+"]=srcoid;");
2016 output.println("}");
2018 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst())+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex())+"]="+generateTemp(fm,fsen.getSrc())+";");
2021 if (state.FASTCHECK) {
2022 String dst=generateTemp(fm, fsen.getDst());
2023 output.println("if(!"+dst+"->"+localcopystr+") {");
2024 /* Link object into list */
2025 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
2026 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
2028 output.println("COPY_OBJ("+dst+");");
2029 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2030 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2031 output.println("}");
2033 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst())+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex())+"]="+generateTemp(fm,fsen.getSrc())+";");
2038 protected void generateFlatNew(FlatMethod fm, FlatNew fn, PrintWriter output) {
2039 if (state.DSM && locality.getAtomic(currlb).get(fn).intValue()>0&&!fn.isGlobal()) {
2040 //Stash pointer in case of GC
2041 String revertptr=generateTemp(fm, reverttable.get(currlb));
2042 output.println(revertptr+"=revertlist;");
2044 if (state.SINGLETM) {
2045 if (fn.getType().isArray()) {
2046 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2047 if (locality.getAtomic(currlb).get(fn).intValue()>0) {
2048 //inside transaction
2049 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarraytrans("+localsprefixaddr+", "+arrayid+", "+generateTemp(fm, fn.getSize())+");");
2051 //outside transaction
2052 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+localsprefixaddr+", "+arrayid+", "+generateTemp(fm, fn.getSize())+");");
2055 if (locality.getAtomic(currlb).get(fn).intValue()>0) {
2056 //inside transaction
2057 output.println(generateTemp(fm,fn.getDst())+"=allocate_newtrans("+localsprefixaddr+", "+fn.getType().getClassDesc().getId()+");");
2059 //outside transaction
2060 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+localsprefixaddr+", "+fn.getType().getClassDesc().getId()+");");
2063 } else if (fn.getType().isArray()) {
2064 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2065 if (fn.isGlobal()) {
2066 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarrayglobal("+arrayid+", "+generateTemp(fm, fn.getSize())+");");
2067 } else if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2068 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+localsprefixaddr+", "+arrayid+", "+generateTemp(fm, fn.getSize())+");");
2070 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize())+");");
2073 if (fn.isGlobal()) {
2074 output.println(generateTemp(fm,fn.getDst())+"=allocate_newglobal("+fn.getType().getClassDesc().getId()+");");
2075 } else if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2076 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+localsprefixaddr+", "+fn.getType().getClassDesc().getId()+");");
2078 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
2081 if (state.DSM && locality.getAtomic(currlb).get(fn).intValue()>0&&!fn.isGlobal()) {
2082 String revertptr=generateTemp(fm, reverttable.get(currlb));
2083 String dst=generateTemp(fm,fn.getDst());
2084 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2085 output.println(dst+"->"+nextobjstr+"="+revertptr+";");
2086 output.println("revertlist=(struct ___Object___ *)"+dst+";");
2088 if (state.FASTCHECK) {
2089 String dst=generateTemp(fm,fn.getDst());
2090 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2091 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2092 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2096 protected void generateFlatOpNode(FlatMethod fm, FlatOpNode fon, PrintWriter output) {
2097 if (fon.getRight()!=null) {
2098 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
2099 if (fon.getLeft().getType().isLong())
2100 output.println(generateTemp(fm, fon.getDest())+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft())+")>>"+generateTemp(fm,fon.getRight())+";");
2102 output.println(generateTemp(fm, fon.getDest())+" = ((unsigned int)"+generateTemp(fm, fon.getLeft())+")>>"+generateTemp(fm,fon.getRight())+";");
2104 } else if (dc!=null) {
2105 output.print(generateTemp(fm, fon.getDest())+" = (");
2106 if (fon.getLeft().getType().isPtr()&&(fon.getOp().getOp()==Operation.EQUAL||fon.getOp().getOp()==Operation.NOTEQUAL))
2107 output.print("(void *)");
2108 if (dc.getNeedLeftSrcTrans(currlb, fon))
2109 output.print("("+generateTemp(fm, fon.getLeft())+"!=NULL?"+generateTemp(fm, fon.getLeft())+"->"+oidstr+":NULL)");
2111 output.print(generateTemp(fm, fon.getLeft()));
2112 output.print(")"+fon.getOp().toString()+"(");
2113 if (fon.getRight().getType().isPtr()&&(fon.getOp().getOp()==Operation.EQUAL||fon.getOp().getOp()==Operation.NOTEQUAL))
2114 output.print("(void *)");
2115 if (dc.getNeedRightSrcTrans(currlb, fon))
2116 output.println("("+generateTemp(fm, fon.getRight())+"!=NULL?"+generateTemp(fm, fon.getRight())+"->"+oidstr+":NULL));");
2118 output.println(generateTemp(fm,fon.getRight())+");");
2120 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
2121 } else if (fon.getOp().getOp()==Operation.ASSIGN)
2122 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
2123 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
2124 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
2125 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
2126 output.println(generateTemp(fm, fon.getDest())+" = -"+generateTemp(fm, fon.getLeft())+";");
2127 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
2128 output.println(generateTemp(fm, fon.getDest())+" = !"+generateTemp(fm, fon.getLeft())+";");
2129 else if (fon.getOp().getOp()==Operation.COMP)
2130 output.println(generateTemp(fm, fon.getDest())+" = ~"+generateTemp(fm, fon.getLeft())+";");
2131 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
2132 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+"->fses==NULL;");
2134 output.println(generateTemp(fm, fon.getDest())+fon.getOp().toString()+generateTemp(fm, fon.getLeft())+";");
2137 protected void generateFlatLiteralNode(FlatMethod fm, FlatLiteralNode fln, PrintWriter output) {
2138 if (fln.getValue()==null)
2139 output.println(generateTemp(fm, fln.getDst())+"=0;");
2140 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
2141 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2142 if (state.DSM && locality.getAtomic(currlb).get(fln).intValue()>0) {
2143 //Stash pointer in case of GC
2144 String revertptr=generateTemp(fm, reverttable.get(currlb));
2145 output.println(revertptr+"=revertlist;");
2147 output.println(generateTemp(fm, fln.getDst())+"=NewString("+localsprefixaddr+", \""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2148 if (state.DSM && locality.getAtomic(currlb).get(fln).intValue()>0) {
2149 //Stash pointer in case of GC
2150 String revertptr=generateTemp(fm, reverttable.get(currlb));
2151 output.println("revertlist="+revertptr+";");
2154 output.println(generateTemp(fm, fln.getDst())+"=NewString(\""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
2156 } else if (fln.getType().isBoolean()) {
2157 if (((Boolean)fln.getValue()).booleanValue())
2158 output.println(generateTemp(fm, fln.getDst())+"=1;");
2160 output.println(generateTemp(fm, fln.getDst())+"=0;");
2161 } else if (fln.getType().isChar()) {
2162 String st=FlatLiteralNode.escapeString(fln.getValue().toString());
2163 output.println(generateTemp(fm, fln.getDst())+"='"+st+"';");
2164 } else if (fln.getType().isLong()) {
2165 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+"LL;");
2167 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+";");
2170 protected void generateStoreFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
2173 //only record if this group has more than one exit
2174 if (branchanalysis.numJumps(fcb)>1) {
2175 left=branchanalysis.jumpValue(fcb, 0);
2176 right=branchanalysis.jumpValue(fcb, 1);
2178 output.println("if (!"+generateTemp(fm, fcb.getTest())+") {");
2180 output.println("STOREBRANCH("+right+");");
2181 output.println("goto "+label+";");
2182 output.println("}");
2184 output.println("STOREBRANCH("+left+");");
2187 /** This method generates header information for the method or
2188 * task referenced by the Descriptor des. */
2189 protected void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output) {
2191 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null ? lb : des);
2192 MethodDescriptor md=null;
2193 TaskDescriptor task=null;
2194 if (des instanceof MethodDescriptor)
2195 md=(MethodDescriptor) des;
2197 task=(TaskDescriptor) des;
2199 ClassDescriptor cn=md!=null ? md.getClassDesc() : null;
2201 if (md!=null&&md.getReturnType()!=null) {
2202 if (state.MGC && md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
2203 output.print("int ");
2204 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
2205 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2207 output.print(md.getReturnType().getSafeSymbol()+" ");
2209 //catch the constructor case
2210 output.print("void ");
2212 output.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
2214 output.print(task.getSafeSymbol()+"(");
2216 boolean printcomma=false;
2217 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2219 output.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
2221 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
2227 for(int i=0; i<objectparams.numPrimitives(); i++) {
2228 TempDescriptor temp=objectparams.getPrimitive(i);
2232 if(state.MGC && temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2233 output.print("int " + temp.getSafeSymbol());
2234 } else if (temp.getType().isClass()||temp.getType().isArray())
2235 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
2237 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
2239 output.println(") {");
2240 } else if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
2241 /* Imprecise Task */
2242 output.println("void * parameterarray[]) {");
2243 /* Unpack variables */
2244 for(int i=0; i<objectparams.numPrimitives(); i++) {
2245 TempDescriptor temp=objectparams.getPrimitive(i);
2246 if(state.MGC && temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2247 output.print("int " + temp.getSafeSymbol() + "=parameterarray["+i+"];");
2249 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
2252 for(int i=0; i<fm.numTags(); i++) {
2253 TempDescriptor temp=fm.getTag(i);
2254 int offset=i+objectparams.numPrimitives();
2255 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
2258 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
2259 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
2260 } else output.println(") {");