changeset 1063:f4981f8a1720

2008-10-01 Gary Benson <gbenson@redhat.com> * ports/hotspot/src/share/vm/shark/sharkState.cpp: Remove a section of old code that had been #ifdef'd out.
author Gary Benson <gbenson@redhat.com>
date Wed, 01 Oct 2008 05:52:01 -0400
parents d03dd528c2ed
children 09dcedbe63a8 358cb21c4730
files ChangeLog ports/hotspot/src/share/vm/shark/sharkState.cpp
diffstat 2 files changed, 5 insertions(+), 261 deletions(-) [+]
line wrap: on
line diff
--- a/ChangeLog	Tue Sep 30 13:22:52 2008 -0400
+++ b/ChangeLog	Wed Oct 01 05:52:01 2008 -0400
@@ -1,3 +1,8 @@
+2008-10-01  Gary Benson  <gbenson@redhat.com>
+
+	* ports/hotspot/src/share/vm/shark/sharkState.cpp: Remove a
+	section of old code that had been #ifdef'd out.
+
 2008-09-30  Lillian Angel  <langel@redhat.com>
 
 	* Makefile.am
--- a/ports/hotspot/src/share/vm/shark/sharkState.cpp	Tue Sep 30 13:22:52 2008 -0400
+++ b/ports/hotspot/src/share/vm/shark/sharkState.cpp	Wed Oct 01 05:52:01 2008 -0400
@@ -205,267 +205,6 @@
   }
 }
 
-#if 0
-void SharkTrackingState::decache_for(CDReason reason, ciMethod *callee)
-{
-  // Start recording the debug information
-  OopMap *oopmap = new OopMap(
-    oopmap_slot_munge(function()->oopmap_frame_size()),
-    oopmap_slot_munge(function()->arg_size()));
-  int offset = function()->code_offset();
-  debug_info()->add_safepoint(offset, oopmap);
-
-  // Decache expression stack slots as necessary
-  GrowableArray<ScopeValue*> *exparray =
-    new GrowableArray<ScopeValue*>(stack_depth());
-
-  for (int i = stack_depth() - 1; i >= 0; i--) {
-    SharkValue *value = stack(i);
-
-    Location::Type type = Location::normal;
-    if (value && value->is_jobject())
-      type = Location::oop;
-
-    int            dst          = i + max_stack() - stack_depth();
-    int            oiwfusp      = function()->stack_slots_offset() + dst;
-    VMReg          dst_as_vmreg = slot2reg(oiwfusp);
-    LocationValue* dst_as_lv    = slot2lv(oiwfusp, type);
-
-    bool write  = false;
-    bool record = false;
-
-    if (reason == TRAP) {
-      write  = value != NULL;
-      record = true;
-    }
-    else if (value) {
-      if (reason == JAVA_CALL && i < callee->arg_size()) {
-        write  = true;
-        record = false;
-      }
-      else {
-        write  = value->is_jobject();
-        record = true;
-      }
-    }
-
-    if (write) {
-      if (value->is_two_word()) {
-        assert(i > 0, "should be");
-        assert(stack(i - 1) == NULL, "should be");
-        dst--;
-      }
-      
-      builder()->CreateStore(
-        value->generic_value(),
-        builder()->CreateBitCast(
-          builder()->CreateStructGEP(function()->stack_slots(), dst),
-          PointerType::getUnqual(SharkType::to_stackType(
-            value->basic_type()))));
-
-      if (record)
-        oopmap->set_oop(dst_as_vmreg);
-    }
-
-    if (record)
-      exparray->append(dst_as_lv);
-  }
-
-  // If we're decaching for a call then pop the arguments
-  int trim_slots = max_stack() - stack_depth();
-  if (reason == JAVA_CALL)
-    pop(callee->arg_size());
-
-  // Record any monitors
-  GrowableArray<MonitorValue*> *monarray =
-    new GrowableArray<MonitorValue*>(function()->monitor_count());
-
-  for (int i = 0; i < function()->monitor_count(); i++) {
-    int box_oiwfusp =
-      function()->monitors_slots_offset() +
-      i * frame::interpreter_frame_monitor_size();
-
-    int obj_oiwfusp =
-      box_oiwfusp +
-      (BasicObjectLock::obj_offset_in_bytes() >> LogBytesPerWord);
-    
-    oopmap->set_oop(slot2reg(obj_oiwfusp));
-
-    monarray->append(new MonitorValue(
-      slot2lv (obj_oiwfusp, Location::oop),
-      slot2loc(box_oiwfusp, Location::normal)));
-  }
-
-  // Record the exception slot
-  oopmap->set_oop(slot2reg(function()->exception_slot_offset()));
-
-  // Decache the method pointer
-  builder()->CreateStore(method(), function()->method_slot());
-  oopmap->set_oop(slot2reg(function()->method_slot_offset()));
-
-  // Decache the PC
-  builder()->CreateStore(
-    builder()->CreateAdd(
-      function()->base_pc(), LLVMValue::intptr_constant(offset)),
-    function()->pc_slot());
-
-  // Decache local variables as necesary
-  GrowableArray<ScopeValue*> *locarray =
-    new GrowableArray<ScopeValue*>(max_locals());
-
-  for (int i = 0; i < max_locals(); i++) {
-    SharkValue *value = local(i);
-
-    Location::Type type = Location::invalid;
-    if (value) {
-      if (value->is_jobject())
-        type = Location::oop;
-      else
-        type = Location::normal;
-    }
-    else if (i > 0) {
-      SharkValue *prev = local(i - 1);
-      if (prev && prev->is_two_word())
-        type = Location::normal;
-    }
-
-    int            dst          = max_locals() - 1 - i;
-    int            oiwfusp      = function()->locals_slots_offset() + dst;
-    VMReg          dst_as_vmreg = slot2reg(oiwfusp);
-    LocationValue* dst_as_lv    = slot2lv(oiwfusp, type);
-
-    if (value) {
-      if (value->is_two_word()) {
-        assert(i + 1 < max_locals(), "should be");
-        assert(local(i + 1) == NULL, "should be");
-        dst--;
-      }
-
-      if (reason == TRAP || value->is_jobject()) {
-        builder()->CreateStore(
-          value->generic_value(),
-          builder()->CreateBitCast(
-            builder()->CreateStructGEP(function()->locals_slots(), dst),
-            PointerType::getUnqual(
-              SharkType::to_stackType(value->basic_type()))));
-      }
-  
-      if (value->is_jobject())
-        oopmap->set_oop(dst_as_vmreg);
-    }
-    locarray->append(dst_as_lv);
-  }
-
-  // Trim back the stack if necessary
-  if (trim_slots) {
-    function()->CreateStoreZeroStackPointer(
-      builder()->CreatePtrToInt(
-        builder()->CreateStructGEP(
-          function()->stack_slots(), trim_slots),
-        SharkType::intptr_type()));
-  }
-
-  // Record the scope and end the block of debug information
-  DebugToken *locvals = debug_info()->create_scope_values(locarray);
-  DebugToken *expvals = debug_info()->create_scope_values(exparray);
-  DebugToken *monvals = debug_info()->create_monitor_values(monarray);
-  debug_info()->describe_scope(
-    offset, block()->target(), block()->bci(), locvals, expvals, monvals);
-  debug_info()->end_safepoint(offset);
-}
-
-void SharkTrackingState::cache_after(CDReason reason, ciMethod *callee)
-{
-  assert(reason != TRAP, "shouldn't be");
-
-  // If we're caching after a call then push a dummy result to set up the stack
-  int result_size = reason == JAVA_CALL ? callee->return_type()->size() : 0;
-  if (result_size) {
-    ciType *result_type;
-    switch (callee->return_type()->basic_type()) {
-    case T_BOOLEAN:
-    case T_BYTE:
-    case T_CHAR:
-    case T_SHORT:
-      result_type = ciType::make(T_INT);
-      break;
-
-    default:
-      result_type = callee->return_type();
-    }
-
-    push(SharkValue::create_generic(result_type, NULL));
-    if (result_size == 2)
-      push(NULL);
-  }
-
-  // Cache expression stack slots as necessary
-  for (int i = 0; i < stack_depth(); i++) {
-    SharkValue *value = stack(i);
-    if (value == NULL) {
-      set_stack(i, NULL);
-      continue;
-    }
-
-    bool read;
-
-    if (i < result_size) {
-      read = true;
-    }
-    else {
-      read = value->is_jobject();
-    }
-
-    if (read) {
-      int src = i + max_stack() - stack_depth();
-      if (value->is_two_word()) {
-        assert(i > 0, "should be");
-        assert(stack(i - 1) == NULL, "should be");
-        src--;
-      }
-      
-      set_stack(
-        i,
-        SharkValue::create_generic(
-          value->type(),
-          builder()->CreateLoad(
-            builder()->CreateBitCast(
-              builder()->CreateStructGEP(function()->stack_slots(), src),
-              PointerType::getUnqual(
-                SharkType::to_stackType(value->basic_type()))))));
-    }
-  }
-
-  // Cache the method pointer
-  set_method(builder()->CreateLoad(function()->method_slot()));
-
-  // Cache local variables as necesary
-  for (int i = max_locals() - 1; i >= 0; i--) {
-    SharkValue *value = local(i);
-    if (value && value->is_jobject()) {
-      int src = max_locals() - 1 - i;
-      set_local(
-        i,
-        SharkValue::create_generic(
-          value->type(),
-          builder()->CreateLoad(
-            builder()->CreateBitCast(
-              builder()->CreateStructGEP(function()->locals_slots(), src),
-              PointerType::getUnqual(
-                SharkType::to_stackType(value->type()))))));
-    }
-  }
-
-  // Restore the stack pointer if necessary
-  if (stack_depth() != max_stack()) {
-    function()->CreateStoreZeroStackPointer(
-      builder()->CreatePtrToInt(
-        builder()->CreateStructGEP(function()->stack_slots(), 0),
-        SharkType::intptr_type()));
-  }
-}
-#endif // 0
-
 void SharkTrackingState::merge(SharkState* other,
                                BasicBlock* other_block,
                                BasicBlock* this_block)