Mercurial > hg > release > icedtea7-forest-2.5 > hotspot
changeset 2833:c124e2e7463e
7083786: dead various dead chunks of code
Reviewed-by: iveresov, kvn
line wrap: on
line diff
--- a/src/cpu/sparc/vm/c1_LIRAssembler_sparc.cpp Wed Aug 31 09:48:21 2011 -0700 +++ b/src/cpu/sparc/vm/c1_LIRAssembler_sparc.cpp Wed Aug 31 16:46:11 2011 -0700 @@ -142,11 +142,6 @@ } -LIR_Opr LIR_Assembler::incomingReceiverOpr() { - return FrameMap::I0_oop_opr; -} - - LIR_Opr LIR_Assembler::osrBufferPointer() { return FrameMap::I0_opr; }
--- a/src/cpu/sparc/vm/c1_Runtime1_sparc.cpp Wed Aug 31 09:48:21 2011 -0700 +++ b/src/cpu/sparc/vm/c1_Runtime1_sparc.cpp Wed Aug 31 16:46:11 2011 -0700 @@ -782,13 +782,6 @@ } break; - case jvmti_exception_throw_id: - { // Oexception : exception - __ set_info("jvmti_exception_throw", dont_gc_arguments); - oop_maps = generate_stub_call(sasm, noreg, CAST_FROM_FN_PTR(address, Runtime1::post_jvmti_exception_throw), I0); - } - break; - case dtrace_object_alloc_id: { // O0: object __ set_info("dtrace_object_alloc", dont_gc_arguments);
--- a/src/cpu/sparc/vm/frame_sparc.hpp Wed Aug 31 09:48:21 2011 -0700 +++ b/src/cpu/sparc/vm/frame_sparc.hpp Wed Aug 31 16:46:11 2011 -0700 @@ -259,13 +259,8 @@ }; #endif /* CC_INTERP */ - // the compiler frame has many of the same fields as the interpreter frame - // %%%%% factor out declarations of the shared fields enum compiler_frame_fixed_locals { - compiler_frame_d_scratch_fp_offset = -2, - compiler_frame_vm_locals_fp_offset = -2, // should be same as above - - compiler_frame_vm_local_words = -compiler_frame_vm_locals_fp_offset + compiler_frame_vm_locals_fp_offset = -2 }; private: @@ -283,9 +278,6 @@ inline void interpreter_frame_set_tos_address(intptr_t* x); - - // %%%%% Another idea: instead of defining 3 fns per item, just define one returning a ref - // monitors: // next two fns read and write Lmonitors value, @@ -298,22 +290,8 @@ return ((interpreterState)sp_at(interpreter_state_ptr_offset)); } - #endif /* CC_INTERP */ - - - // Compiled frames - public: - // Tells if this register can hold 64 bits on V9 (really, V8+). - static bool holds_a_doubleword(Register reg) { -#ifdef _LP64 - // return true; - return reg->is_out() || reg->is_global(); -#else - return reg->is_out() || reg->is_global(); -#endif - } #endif // CPU_SPARC_VM_FRAME_SPARC_HPP
--- a/src/cpu/x86/vm/c1_LIRAssembler_x86.cpp Wed Aug 31 09:48:21 2011 -0700 +++ b/src/cpu/x86/vm/c1_LIRAssembler_x86.cpp Wed Aug 31 16:46:11 2011 -0700 @@ -129,10 +129,6 @@ return FrameMap::receiver_opr; } -LIR_Opr LIR_Assembler::incomingReceiverOpr() { - return receiverOpr(); -} - LIR_Opr LIR_Assembler::osrBufferPointer() { return FrameMap::as_pointer_opr(receiverOpr()->as_register()); } @@ -371,55 +367,6 @@ } -void LIR_Assembler::monitorexit(LIR_Opr obj_opr, LIR_Opr lock_opr, Register new_hdr, int monitor_no, Register exception) { - if (exception->is_valid()) { - // preserve exception - // note: the monitor_exit runtime call is a leaf routine - // and cannot block => no GC can happen - // The slow case (MonitorAccessStub) uses the first two stack slots - // ([esp+0] and [esp+4]), therefore we store the exception at [esp+8] - __ movptr (Address(rsp, 2*wordSize), exception); - } - - Register obj_reg = obj_opr->as_register(); - Register lock_reg = lock_opr->as_register(); - - // setup registers (lock_reg must be rax, for lock_object) - assert(obj_reg != SYNC_header && lock_reg != SYNC_header, "rax, must be available here"); - Register hdr = lock_reg; - assert(new_hdr == SYNC_header, "wrong register"); - lock_reg = new_hdr; - // compute pointer to BasicLock - Address lock_addr = frame_map()->address_for_monitor_lock(monitor_no); - __ lea(lock_reg, lock_addr); - // unlock object - MonitorAccessStub* slow_case = new MonitorExitStub(lock_opr, true, monitor_no); - // _slow_case_stubs->append(slow_case); - // temporary fix: must be created after exceptionhandler, therefore as call stub - _slow_case_stubs->append(slow_case); - if (UseFastLocking) { - // try inlined fast unlocking first, revert to slow locking if it fails - // note: lock_reg points to the displaced header since the displaced header offset is 0! - assert(BasicLock::displaced_header_offset_in_bytes() == 0, "lock_reg must point to the displaced header"); - __ unlock_object(hdr, obj_reg, lock_reg, *slow_case->entry()); - } else { - // always do slow unlocking - // note: the slow unlocking code could be inlined here, however if we use - // slow unlocking, speed doesn't matter anyway and this solution is - // simpler and requires less duplicated code - additionally, the - // slow unlocking code is the same in either case which simplifies - // debugging - __ jmp(*slow_case->entry()); - } - // done - __ bind(*slow_case->continuation()); - - if (exception->is_valid()) { - // restore exception - __ movptr (exception, Address(rsp, 2 * wordSize)); - } -} - // This specifies the rsp decrement needed to build the frame int LIR_Assembler::initial_frame_size_in_bytes() { // if rounding, must let FrameMap know!
--- a/src/cpu/x86/vm/c1_LIRAssembler_x86.hpp Wed Aug 31 09:48:21 2011 -0700 +++ b/src/cpu/x86/vm/c1_LIRAssembler_x86.hpp Wed Aug 31 16:46:11 2011 -0700 @@ -29,8 +29,6 @@ Address::ScaleFactor array_element_size(BasicType type) const; - void monitorexit(LIR_Opr obj_opr, LIR_Opr lock_opr, Register new_hdr, int monitor_no, Register exception); - void arith_fpu_implementation(LIR_Code code, int left_index, int right_index, int dest_index, bool pop_fpu_stack); // helper functions which checks for overflow and sets bailout if it
--- a/src/cpu/x86/vm/c1_Runtime1_x86.cpp Wed Aug 31 09:48:21 2011 -0700 +++ b/src/cpu/x86/vm/c1_Runtime1_x86.cpp Wed Aug 31 16:46:11 2011 -0700 @@ -1465,19 +1465,6 @@ } break; - case jvmti_exception_throw_id: - { // rax,: exception oop - StubFrame f(sasm, "jvmti_exception_throw", dont_gc_arguments); - // Preserve all registers across this potentially blocking call - const int num_rt_args = 2; // thread, exception oop - OopMap* map = save_live_registers(sasm, num_rt_args); - int call_offset = __ call_RT(noreg, noreg, CAST_FROM_FN_PTR(address, Runtime1::post_jvmti_exception_throw), rax); - oop_maps = new OopMapSet(); - oop_maps->add_gc_map(call_offset, map); - restore_live_registers(sasm); - } - break; - case dtrace_object_alloc_id: { // rax,: object StubFrame f(sasm, "dtrace_object_alloc", dont_gc_arguments);
--- a/src/share/vm/c1/c1_Compilation.cpp Wed Aug 31 09:48:21 2011 -0700 +++ b/src/share/vm/c1/c1_Compilation.cpp Wed Aug 31 16:46:11 2011 -0700 @@ -346,7 +346,6 @@ implicit_exception_table(), compiler(), _env->comp_level(), - true, has_unsafe_access() ); }
--- a/src/share/vm/c1/c1_LIRAssembler.hpp Wed Aug 31 09:48:21 2011 -0700 +++ b/src/share/vm/c1/c1_LIRAssembler.hpp Wed Aug 31 16:46:11 2011 -0700 @@ -133,7 +133,6 @@ static bool is_small_constant(LIR_Opr opr); static LIR_Opr receiverOpr(); - static LIR_Opr incomingReceiverOpr(); static LIR_Opr osrBufferPointer(); // stubs
--- a/src/share/vm/c1/c1_Runtime1.cpp Wed Aug 31 09:48:21 2011 -0700 +++ b/src/share/vm/c1/c1_Runtime1.cpp Wed Aug 31 16:46:11 2011 -0700 @@ -375,14 +375,6 @@ JRT_END -JRT_ENTRY(void, Runtime1::post_jvmti_exception_throw(JavaThread* thread)) - if (JvmtiExport::can_post_on_exceptions()) { - vframeStream vfst(thread, true); - address bcp = vfst.method()->bcp_from(vfst.bci()); - JvmtiExport::post_exception_throw(thread, vfst.method(), bcp, thread->exception_oop()); - } -JRT_END - // counter_overflow() is called from within C1-compiled methods. The enclosing method is the method // associated with the top activation record. The inlinee (that is possibly included in the enclosing // method) method oop is passed as an argument. In order to do that it is embedded in the code as
--- a/src/share/vm/c1/c1_Runtime1.hpp Wed Aug 31 09:48:21 2011 -0700 +++ b/src/share/vm/c1/c1_Runtime1.hpp Wed Aug 31 16:46:11 2011 -0700 @@ -65,7 +65,6 @@ stub(monitorexit_nofpu) /* optimized version that does not preserve fpu registers */ \ stub(access_field_patching) \ stub(load_klass_patching) \ - stub(jvmti_exception_throw) \ stub(g1_pre_barrier_slow) \ stub(g1_post_barrier_slow) \ stub(fpu2long_stub) \ @@ -141,7 +140,6 @@ static void unimplemented_entry (JavaThread* thread, StubID id); static address exception_handler_for_pc(JavaThread* thread); - static void post_jvmti_exception_throw(JavaThread* thread); static void throw_range_check_exception(JavaThread* thread, int index); static void throw_index_exception(JavaThread* thread, int index);
--- a/src/share/vm/ci/ciConstant.hpp Wed Aug 31 09:48:21 2011 -0700 +++ b/src/share/vm/ci/ciConstant.hpp Wed Aug 31 16:46:11 2011 -0700 @@ -46,9 +46,6 @@ ciObject* _object; } _value; - // Implementation of the print method. - void print_impl(outputStream* st); - public: ciConstant() {
--- a/src/share/vm/ci/ciEnv.cpp Wed Aug 31 09:48:21 2011 -0700 +++ b/src/share/vm/ci/ciEnv.cpp Wed Aug 31 16:46:11 2011 -0700 @@ -949,7 +949,6 @@ ImplicitExceptionTable* inc_table, AbstractCompiler* compiler, int comp_level, - bool has_debug_info, bool has_unsafe_access) { VM_ENTRY_MARK; nmethod* nm = NULL; @@ -1044,7 +1043,6 @@ CompileBroker::handle_full_code_cache(); } } else { - NOT_PRODUCT(nm->set_has_debug_info(has_debug_info); ) nm->set_has_unsafe_access(has_unsafe_access); // Record successful registration.
--- a/src/share/vm/ci/ciEnv.hpp Wed Aug 31 09:48:21 2011 -0700 +++ b/src/share/vm/ci/ciEnv.hpp Wed Aug 31 16:46:11 2011 -0700 @@ -317,8 +317,7 @@ ImplicitExceptionTable* inc_table, AbstractCompiler* compiler, int comp_level, - bool has_debug_info = true, - bool has_unsafe_access = false); + bool has_unsafe_access); // Access to certain well known ciObjects.
--- a/src/share/vm/ci/ciField.hpp Wed Aug 31 09:48:21 2011 -0700 +++ b/src/share/vm/ci/ciField.hpp Wed Aug 31 16:46:11 2011 -0700 @@ -64,9 +64,6 @@ // shared constructor code void initialize_from(fieldDescriptor* fd); - // The implementation of the print method. - void print_impl(outputStream* st); - public: ciFlags flags() { return _flags; }
--- a/src/share/vm/code/nmethod.cpp Wed Aug 31 09:48:21 2011 -0700 +++ b/src/share/vm/code/nmethod.cpp Wed Aug 31 16:46:11 2011 -0700 @@ -451,7 +451,6 @@ _stack_traversal_mark = 0; _unload_reported = false; // jvmti state - NOT_PRODUCT(_has_debug_info = false); #ifdef ASSERT _oops_are_stale = false; #endif
--- a/src/share/vm/code/nmethod.hpp Wed Aug 31 09:48:21 2011 -0700 +++ b/src/share/vm/code/nmethod.hpp Wed Aug 31 16:46:11 2011 -0700 @@ -191,8 +191,6 @@ jbyte _scavenge_root_state; - NOT_PRODUCT(bool _has_debug_info; ) - // Nmethod Flushing lock. If non-zero, then the nmethod is not removed // and is not made into a zombie. However, once the nmethod is made into // a zombie, it will be locked one final time if CompiledMethodUnload @@ -329,11 +327,6 @@ methodOop method() const { return _method; } AbstractCompiler* compiler() const { return _compiler; } -#ifndef PRODUCT - bool has_debug_info() const { return _has_debug_info; } - void set_has_debug_info(bool f) { _has_debug_info = false; } -#endif // NOT PRODUCT - // type info bool is_nmethod() const { return true; } bool is_java_method() const { return !method()->is_native(); }
--- a/src/share/vm/oops/constMethodKlass.cpp Wed Aug 31 09:48:21 2011 -0700 +++ b/src/share/vm/oops/constMethodKlass.cpp Wed Aug 31 16:46:11 2011 -0700 @@ -172,11 +172,6 @@ int constMethodKlass::oop_update_pointers(ParCompactionManager* cm, oop obj) { assert(obj->is_constMethod(), "should be constMethod"); constMethodOop cm_oop = constMethodOop(obj); -#if 0 - PSParallelCompact::adjust_pointer(cm_oop->adr_method()); - PSParallelCompact::adjust_pointer(cm_oop->adr_exception_table()); - PSParallelCompact::adjust_pointer(cm_oop->adr_stackmap_data()); -#endif oop* const beg_oop = cm_oop->oop_block_beg(); oop* const end_oop = cm_oop->oop_block_end(); for (oop* cur_oop = beg_oop; cur_oop < end_oop; ++cur_oop) {
--- a/src/share/vm/opto/compile.cpp Wed Aug 31 09:48:21 2011 -0700 +++ b/src/share/vm/opto/compile.cpp Wed Aug 31 16:46:11 2011 -0700 @@ -817,7 +817,6 @@ &_handler_table, &_inc_table, compiler, env()->comp_level(), - true, /*has_debug_info*/ has_unsafe_access() ); }
--- a/src/share/vm/opto/connode.hpp Wed Aug 31 09:48:21 2011 -0700 +++ b/src/share/vm/opto/connode.hpp Wed Aug 31 16:46:11 2011 -0700 @@ -496,14 +496,6 @@ virtual bool depends_only_on_test() const { return false; } }; -//------------------------------MemMoveNode------------------------------------ -// Memory to memory move. Inserted very late, after allocation. -class MemMoveNode : public Node { -public: - MemMoveNode( Node *dst, Node *src ) : Node(0,dst,src) {} - virtual int Opcode() const; -}; - //------------------------------ThreadLocalNode-------------------------------- // Ideal Node which returns the base of ThreadLocalStorage. class ThreadLocalNode : public Node {
--- a/src/share/vm/opto/parse2.cpp Wed Aug 31 09:48:21 2011 -0700 +++ b/src/share/vm/opto/parse2.cpp Wed Aug 31 16:46:11 2011 -0700 @@ -752,20 +752,12 @@ // Handle ret bytecode void Parse::do_ret() { // Find to whom we return. -#if 0 // %%%% MAKE THIS WORK - Node* con = local(); - const TypePtr* tp = con->bottom_type()->isa_ptr(); - assert(tp && tp->singleton(), ""); - int return_bci = (int) tp->get_con(); - merge(return_bci); -#else assert(block()->num_successors() == 1, "a ret can only go one place now"); Block* target = block()->successor_at(0); assert(!target->is_ready(), "our arrival must be expected"); profile_ret(target->flow()->start()); int pnum = target->next_path_num(); merge_common(target, pnum); -#endif } //--------------------------dynamic_branch_prediction--------------------------
--- a/src/share/vm/opto/runtime.cpp Wed Aug 31 09:48:21 2011 -0700 +++ b/src/share/vm/opto/runtime.cpp Wed Aug 31 16:46:11 2011 -0700 @@ -978,7 +978,6 @@ thread->set_exception_pc(pc); thread->set_exception_handler_pc(handler_address); - thread->set_exception_stack_size(0); // Check if the exception PC is a MethodHandle call site. thread->set_is_method_handle_return(nm->is_method_handle_return(pc));
--- a/src/share/vm/prims/forte.cpp Wed Aug 31 09:48:21 2011 -0700 +++ b/src/share/vm/prims/forte.cpp Wed Aug 31 16:46:11 2011 -0700 @@ -522,25 +522,6 @@ extern "C" { JNIEXPORT void AsyncGetCallTrace(ASGCT_CallTrace *trace, jint depth, void* ucontext) { - -// This is if'd out because we no longer use thread suspension. -// However if someone wanted to backport this to a 5.0 jvm then this -// code would be important. -#if 0 - if (SafepointSynchronize::is_synchronizing()) { - // The safepoint mechanism is trying to synchronize all the threads. - // Since this can involve thread suspension, it is not safe for us - // to be here. We can reduce the deadlock risk window by quickly - // returning to the SIGPROF handler. However, it is still possible - // for VMThread to catch us here or in the SIGPROF handler. If we - // are suspended while holding a resource and another thread blocks - // on that resource in the SIGPROF handler, then we will have a - // three-thread deadlock (VMThread, this thread, the other thread). - trace->num_frames = ticks_safepoint; // -10 - return; - } -#endif - JavaThread* thread; if (trace->env_id == NULL ||
--- a/src/share/vm/runtime/thread.cpp Wed Aug 31 09:48:21 2011 -0700 +++ b/src/share/vm/runtime/thread.cpp Wed Aug 31 16:46:11 2011 -0700 @@ -1272,7 +1272,6 @@ _exception_oop = NULL; _exception_pc = 0; _exception_handler_pc = 0; - _exception_stack_size = 0; _is_method_handle_return = 0; _jvmti_thread_state= NULL; _should_post_on_exceptions_flag = JNI_FALSE;
--- a/src/share/vm/runtime/thread.hpp Wed Aug 31 09:48:21 2011 -0700 +++ b/src/share/vm/runtime/thread.hpp Wed Aug 31 16:46:11 2011 -0700 @@ -841,7 +841,6 @@ volatile oop _exception_oop; // Exception thrown in compiled code volatile address _exception_pc; // PC where exception happened volatile address _exception_handler_pc; // PC for handler of exception - volatile int _exception_stack_size; // Size of frame where exception happened volatile int _is_method_handle_return; // true (== 1) if the current exception PC is a MethodHandle call site. // support for compilation @@ -1182,7 +1181,6 @@ // Exception handling for compiled methods oop exception_oop() const { return _exception_oop; } - int exception_stack_size() const { return _exception_stack_size; } address exception_pc() const { return _exception_pc; } address exception_handler_pc() const { return _exception_handler_pc; } bool is_method_handle_return() const { return _is_method_handle_return == 1; } @@ -1190,7 +1188,6 @@ void set_exception_oop(oop o) { _exception_oop = o; } void set_exception_pc(address a) { _exception_pc = a; } void set_exception_handler_pc(address a) { _exception_handler_pc = a; } - void set_exception_stack_size(int size) { _exception_stack_size = size; } void set_is_method_handle_return(bool value) { _is_method_handle_return = value ? 1 : 0; } // Stack overflow support @@ -1264,7 +1261,6 @@ static ByteSize exception_oop_offset() { return byte_offset_of(JavaThread, _exception_oop ); } static ByteSize exception_pc_offset() { return byte_offset_of(JavaThread, _exception_pc ); } static ByteSize exception_handler_pc_offset() { return byte_offset_of(JavaThread, _exception_handler_pc); } - static ByteSize exception_stack_size_offset() { return byte_offset_of(JavaThread, _exception_stack_size); } static ByteSize is_method_handle_return_offset() { return byte_offset_of(JavaThread, _is_method_handle_return); } static ByteSize stack_guard_state_offset() { return byte_offset_of(JavaThread, _stack_guard_state ); } static ByteSize suspend_flags_offset() { return byte_offset_of(JavaThread, _suspend_flags ); }