# HG changeset patch # User kamg # Date 1285174491 14400 # Node ID a25394352030912f7388a398dfe555c01e41c5df # Parent 2966dab85b3e2556541f7ca8357e8672d927796f# Parent 18c3785135759b9af8339c1314c586cce0b2b7c0 Merge diff -r 2966dab85b3e -r a25394352030 make/linux/Makefile --- a/make/linux/Makefile Tue Sep 21 06:58:44 2010 -0700 +++ b/make/linux/Makefile Wed Sep 22 12:54:51 2010 -0400 @@ -19,7 +19,7 @@ # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA # or visit www.oracle.com if you need additional information or have any # questions. -# +# # # This makefile creates a build tree and lights off a build. @@ -45,13 +45,13 @@ # # make REMOTE="rsh -l me myotherlinuxbox" -# Along with VM, Serviceability Agent (SA) is built for SA/JDI binding. -# JDI binding on SA produces two binaries: +# Along with VM, Serviceability Agent (SA) is built for SA/JDI binding. +# JDI binding on SA produces two binaries: # 1. sa-jdi.jar - This is build before building libjvm[_g].so # Please refer to ./makefiles/sa.make # 2. libsa[_g].so - Native library for SA - This is built after # libjsig[_g].so (signal interposition library) -# Please refer to ./makefiles/vm.make +# Please refer to ./makefiles/vm.make # If $(GAMMADIR)/agent dir is not present, SA components are not built. ifeq ($(GAMMADIR),) @@ -61,11 +61,9 @@ endif include $(GAMMADIR)/make/$(OSNAME)/makefiles/rules.make -ifndef LP64 ifndef CC_INTERP FORCE_TIERED=1 endif -endif ifdef LP64 ifeq ("$(filter $(LP64_ARCH),$(BUILDARCH))","") diff -r 2966dab85b3e -r a25394352030 make/solaris/Makefile --- a/make/solaris/Makefile Tue Sep 21 06:58:44 2010 -0700 +++ b/make/solaris/Makefile Wed Sep 22 12:54:51 2010 -0400 @@ -1,5 +1,5 @@ # -# Copyright (c) 1998, 2008, Oracle and/or its affiliates. All rights reserved. +# Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved. # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. # # This code is free software; you can redistribute it and/or modify it @@ -19,7 +19,7 @@ # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA # or visit www.oracle.com if you need additional information or have any # questions. -# +# # # This makefile creates a build tree and lights off a build. @@ -36,13 +36,13 @@ # or BOOTDIR has to be set. We do *not* search javac, javah, rmic etc. # from the PATH. -# Along with VM, Serviceability Agent (SA) is built for SA/JDI binding. -# JDI binding on SA produces two binaries: +# Along with VM, Serviceability Agent (SA) is built for SA/JDI binding. +# JDI binding on SA produces two binaries: # 1. sa-jdi.jar - This is build before building libjvm[_g].so # Please refer to ./makefiles/sa.make # 2. libsaproc[_g].so - Native library for SA - This is built after # libjsig[_g].so (signal interposition library) -# Please refer to ./makefiles/vm.make +# Please refer to ./makefiles/vm.make # If $(GAMMADIR)/agent dir is not present, SA components are not built. ifeq ($(GAMMADIR),) @@ -52,11 +52,9 @@ endif include $(GAMMADIR)/make/$(OSNAME)/makefiles/rules.make -ifndef LP64 ifndef CC_INTERP FORCE_TIERED=1 endif -endif ifdef LP64 ifeq ("$(filter $(LP64_ARCH),$(BUILDARCH))","") diff -r 2966dab85b3e -r a25394352030 make/solaris/makefiles/reorder_TIERED_sparcv9 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/make/solaris/makefiles/reorder_TIERED_sparcv9 Wed Sep 22 12:54:51 2010 -0400 @@ -0,0 +1,4477 @@ +data = R0x2000; 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All rights reserved. +# Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved. # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. # # This code is free software; you can redistribute it and/or modify it @@ -19,7 +19,7 @@ # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA # or visit www.oracle.com if you need additional information or have any # questions. -# +# # # Note: this makefile is invoked both from build.bat and from the J2SE @@ -72,13 +72,11 @@ !endif !endif -!if "$(BUILDARCH)" != "amd64" !if "$(BUILDARCH)" != "ia64" !ifndef CC_INTERP FORCE_TIERED=1 !endif !endif -!endif !if "$(BUILDARCH)" == "amd64" Platform_arch=x86 @@ -135,7 +133,7 @@ # We can have update versions like "01a", but Windows requires # we use only integers in the file version field. So: # JDK_UPDATE_VER = JDK_UPDATE_VERSION * 10 + EXCEPTION_VERSION -# +# JDK_UPDATE_VER=0 JDK_BUILD_NUMBER=0 @@ -148,7 +146,7 @@ # 1.6.0_01a-b02 will be 6.0.11.2 # # JDK_* variables are defined in make/hotspot_version or on command line -# +# JDK_VER=$(JDK_MINOR_VER),$(JDK_MICRO_VER),$(JDK_UPDATE_VER),$(JDK_BUILD_NUMBER) JDK_DOTVER=$(JDK_MINOR_VER).$(JDK_MICRO_VER).$(JDK_UPDATE_VER).$(JDK_BUILD_NUMBER) !if "$(JRE_RELEASE_VERSION)" == "" @@ -162,7 +160,7 @@ # Hotspot Express VM FileVersion: # 10.0-b will have DLL version 10.0.0.yz (need 4 numbers). -# +# # HS_* variables are defined in make/hotspot_version # HS_VER=$(HS_MAJOR_VER),$(HS_MINOR_VER),0,$(HS_BUILD_NUMBER) @@ -182,7 +180,7 @@ # We don't support SA on ia64, and we can't -# build it if we are using a version of Vis Studio +# build it if we are using a version of Vis Studio # older than .Net 2003. # SA_INCLUDE and SA_LIB are hold-overs from a previous # implementation in which we could build SA using diff -r 2966dab85b3e -r a25394352030 src/cpu/sparc/vm/c1_CodeStubs_sparc.cpp --- a/src/cpu/sparc/vm/c1_CodeStubs_sparc.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/cpu/sparc/vm/c1_CodeStubs_sparc.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -57,13 +57,12 @@ #endif } -#ifdef TIERED void CounterOverflowStub::emit_code(LIR_Assembler* ce) { __ bind(_entry); __ set(_bci, G4); __ call(Runtime1::entry_for(Runtime1::counter_overflow_id), relocInfo::runtime_call_type); - __ delayed()->nop(); + __ delayed()->mov_or_nop(_method->as_register(), G5); ce->add_call_info_here(_info); ce->verify_oop_map(_info); @@ -71,7 +70,6 @@ __ delayed()->nop(); } -#endif // TIERED void DivByZeroStub::emit_code(LIR_Assembler* ce) { if (_offset != -1) { diff -r 2966dab85b3e -r a25394352030 src/cpu/sparc/vm/c1_FrameMap_sparc.cpp --- a/src/cpu/sparc/vm/c1_FrameMap_sparc.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/cpu/sparc/vm/c1_FrameMap_sparc.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -73,6 +73,7 @@ // some useful constant RInfo's: LIR_Opr FrameMap::in_long_opr; LIR_Opr FrameMap::out_long_opr; +LIR_Opr FrameMap::g1_long_single_opr; LIR_Opr FrameMap::F0_opr; LIR_Opr FrameMap::F0_double_opr; @@ -238,6 +239,7 @@ in_long_opr = as_long_opr(I0); out_long_opr = as_long_opr(O0); + g1_long_single_opr = as_long_single_opr(G1); G0_opr = as_opr(G0); G1_opr = as_opr(G1); diff -r 2966dab85b3e -r a25394352030 src/cpu/sparc/vm/c1_FrameMap_sparc.hpp --- a/src/cpu/sparc/vm/c1_FrameMap_sparc.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/cpu/sparc/vm/c1_FrameMap_sparc.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -103,6 +103,7 @@ static LIR_Opr in_long_opr; static LIR_Opr out_long_opr; + static LIR_Opr g1_long_single_opr; static LIR_Opr F0_opr; static LIR_Opr F0_double_opr; @@ -113,18 +114,25 @@ private: static FloatRegister _fpu_regs [nof_fpu_regs]; + static LIR_Opr as_long_single_opr(Register r) { + return LIR_OprFact::double_cpu(cpu_reg2rnr(r), cpu_reg2rnr(r)); + } + static LIR_Opr as_long_pair_opr(Register r) { + return LIR_OprFact::double_cpu(cpu_reg2rnr(r->successor()), cpu_reg2rnr(r)); + } + public: #ifdef _LP64 static LIR_Opr as_long_opr(Register r) { - return LIR_OprFact::double_cpu(cpu_reg2rnr(r), cpu_reg2rnr(r)); + return as_long_single_opr(r); } static LIR_Opr as_pointer_opr(Register r) { - return LIR_OprFact::double_cpu(cpu_reg2rnr(r), cpu_reg2rnr(r)); + return as_long_single_opr(r); } #else static LIR_Opr as_long_opr(Register r) { - return LIR_OprFact::double_cpu(cpu_reg2rnr(r->successor()), cpu_reg2rnr(r)); + return as_long_pair_opr(r); } static LIR_Opr as_pointer_opr(Register r) { return as_opr(r); diff -r 2966dab85b3e -r a25394352030 src/cpu/sparc/vm/c1_LIRAssembler_sparc.cpp --- a/src/cpu/sparc/vm/c1_LIRAssembler_sparc.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/cpu/sparc/vm/c1_LIRAssembler_sparc.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -1625,13 +1625,18 @@ void LIR_Assembler::return_op(LIR_Opr result) { // the poll may need a register so just pick one that isn't the return register -#ifdef TIERED +#if defined(TIERED) && !defined(_LP64) if (result->type_field() == LIR_OprDesc::long_type) { // Must move the result to G1 // Must leave proper result in O0,O1 and G1 (TIERED only) __ sllx(I0, 32, G1); // Shift bits into high G1 __ srl (I1, 0, I1); // Zero extend O1 (harmless?) __ or3 (I1, G1, G1); // OR 64 bits into G1 +#ifdef ASSERT + // mangle it so any problems will show up + __ set(0xdeadbeef, I0); + __ set(0xdeadbeef, I1); +#endif } #endif // TIERED __ set((intptr_t)os::get_polling_page(), L0); @@ -2424,6 +2429,192 @@ } +void LIR_Assembler::type_profile_helper(Register mdo, int mdo_offset_bias, + ciMethodData *md, ciProfileData *data, + Register recv, Register tmp1, Label* update_done) { + uint i; + for (i = 0; i < VirtualCallData::row_limit(); i++) { + Label next_test; + // See if the receiver is receiver[n]. + Address receiver_addr(mdo, md->byte_offset_of_slot(data, ReceiverTypeData::receiver_offset(i)) - + mdo_offset_bias); + __ ld_ptr(receiver_addr, tmp1); + __ verify_oop(tmp1); + __ cmp(recv, tmp1); + __ brx(Assembler::notEqual, false, Assembler::pt, next_test); + __ delayed()->nop(); + Address data_addr(mdo, md->byte_offset_of_slot(data, ReceiverTypeData::receiver_count_offset(i)) - + mdo_offset_bias); + __ ld_ptr(data_addr, tmp1); + __ add(tmp1, DataLayout::counter_increment, tmp1); + __ st_ptr(tmp1, data_addr); + __ ba(false, *update_done); + __ delayed()->nop(); + __ bind(next_test); + } + + // Didn't find receiver; find next empty slot and fill it in + for (i = 0; i < VirtualCallData::row_limit(); i++) { + Label next_test; + Address recv_addr(mdo, md->byte_offset_of_slot(data, ReceiverTypeData::receiver_offset(i)) - + mdo_offset_bias); + load(recv_addr, tmp1, T_OBJECT); + __ br_notnull(tmp1, false, Assembler::pt, next_test); + __ delayed()->nop(); + __ st_ptr(recv, recv_addr); + __ set(DataLayout::counter_increment, tmp1); + __ st_ptr(tmp1, mdo, md->byte_offset_of_slot(data, ReceiverTypeData::receiver_count_offset(i)) - + mdo_offset_bias); + __ ba(false, *update_done); + __ delayed()->nop(); + __ bind(next_test); + } +} + + +void LIR_Assembler::setup_md_access(ciMethod* method, int bci, + ciMethodData*& md, ciProfileData*& data, int& mdo_offset_bias) { + md = method->method_data(); + if (md == NULL) { + bailout("out of memory building methodDataOop"); + return; + } + data = md->bci_to_data(bci); + assert(data != NULL, "need data for checkcast"); + assert(data->is_ReceiverTypeData(), "need ReceiverTypeData for type check"); + if (!Assembler::is_simm13(md->byte_offset_of_slot(data, DataLayout::header_offset()) + data->size_in_bytes())) { + // The offset is large so bias the mdo by the base of the slot so + // that the ld can use simm13s to reference the slots of the data + mdo_offset_bias = md->byte_offset_of_slot(data, DataLayout::header_offset()); + } +} + +void LIR_Assembler::emit_typecheck_helper(LIR_OpTypeCheck *op, Label* success, Label* failure, Label* obj_is_null) { + // we always need a stub for the failure case. + CodeStub* stub = op->stub(); + Register obj = op->object()->as_register(); + Register k_RInfo = op->tmp1()->as_register(); + Register klass_RInfo = op->tmp2()->as_register(); + Register dst = op->result_opr()->as_register(); + Register Rtmp1 = op->tmp3()->as_register(); + ciKlass* k = op->klass(); + + + if (obj == k_RInfo) { + k_RInfo = klass_RInfo; + klass_RInfo = obj; + } + + ciMethodData* md; + ciProfileData* data; + int mdo_offset_bias = 0; + if (op->should_profile()) { + ciMethod* method = op->profiled_method(); + assert(method != NULL, "Should have method"); + setup_md_access(method, op->profiled_bci(), md, data, mdo_offset_bias); + + Label not_null; + __ br_notnull(obj, false, Assembler::pn, not_null); + __ delayed()->nop(); + Register mdo = k_RInfo; + Register data_val = Rtmp1; + jobject2reg(md->constant_encoding(), mdo); + if (mdo_offset_bias > 0) { + __ set(mdo_offset_bias, data_val); + __ add(mdo, data_val, mdo); + } + Address flags_addr(mdo, md->byte_offset_of_slot(data, DataLayout::flags_offset()) - mdo_offset_bias); + __ ldub(flags_addr, data_val); + __ or3(data_val, BitData::null_seen_byte_constant(), data_val); + __ stb(data_val, flags_addr); + __ ba(false, *obj_is_null); + __ delayed()->nop(); + __ bind(not_null); + } else { + __ br_null(obj, false, Assembler::pn, *obj_is_null); + __ delayed()->nop(); + } + + Label profile_cast_failure, profile_cast_success; + Label *failure_target = op->should_profile() ? &profile_cast_failure : failure; + Label *success_target = op->should_profile() ? &profile_cast_success : success; + + // patching may screw with our temporaries on sparc, + // so let's do it before loading the class + if (k->is_loaded()) { + jobject2reg(k->constant_encoding(), k_RInfo); + } else { + jobject2reg_with_patching(k_RInfo, op->info_for_patch()); + } + assert(obj != k_RInfo, "must be different"); + + // get object class + // not a safepoint as obj null check happens earlier + load(obj, oopDesc::klass_offset_in_bytes(), klass_RInfo, T_OBJECT, NULL); + if (op->fast_check()) { + assert_different_registers(klass_RInfo, k_RInfo); + __ cmp(k_RInfo, klass_RInfo); + __ brx(Assembler::notEqual, false, Assembler::pt, *failure_target); + __ delayed()->nop(); + } else { + bool need_slow_path = true; + if (k->is_loaded()) { + if (k->super_check_offset() != sizeof(oopDesc) + Klass::secondary_super_cache_offset_in_bytes()) + need_slow_path = false; + // perform the fast part of the checking logic + __ check_klass_subtype_fast_path(klass_RInfo, k_RInfo, Rtmp1, noreg, + (need_slow_path ? success_target : NULL), + failure_target, NULL, + RegisterOrConstant(k->super_check_offset())); + } else { + // perform the fast part of the checking logic + __ check_klass_subtype_fast_path(klass_RInfo, k_RInfo, Rtmp1, O7, success_target, + failure_target, NULL); + } + if (need_slow_path) { + // call out-of-line instance of __ check_klass_subtype_slow_path(...): + assert(klass_RInfo == G3 && k_RInfo == G1, "incorrect call setup"); + __ call(Runtime1::entry_for(Runtime1::slow_subtype_check_id), relocInfo::runtime_call_type); + __ delayed()->nop(); + __ cmp(G3, 0); + __ br(Assembler::equal, false, Assembler::pn, *failure_target); + __ delayed()->nop(); + // Fall through to success case + } + } + + if (op->should_profile()) { + Register mdo = klass_RInfo, recv = k_RInfo, tmp1 = Rtmp1; + assert_different_registers(obj, mdo, recv, tmp1); + __ bind(profile_cast_success); + jobject2reg(md->constant_encoding(), mdo); + if (mdo_offset_bias > 0) { + __ set(mdo_offset_bias, tmp1); + __ add(mdo, tmp1, mdo); + } + load(Address(obj, oopDesc::klass_offset_in_bytes()), recv, T_OBJECT); + type_profile_helper(mdo, mdo_offset_bias, md, data, recv, tmp1, success); + // Jump over the failure case + __ ba(false, *success); + __ delayed()->nop(); + // Cast failure case + __ bind(profile_cast_failure); + jobject2reg(md->constant_encoding(), mdo); + if (mdo_offset_bias > 0) { + __ set(mdo_offset_bias, tmp1); + __ add(mdo, tmp1, mdo); + } + Address data_addr(mdo, md->byte_offset_of_slot(data, CounterData::count_offset()) - mdo_offset_bias); + __ ld_ptr(data_addr, tmp1); + __ sub(tmp1, DataLayout::counter_increment, tmp1); + __ st_ptr(tmp1, data_addr); + __ ba(false, *failure); + __ delayed()->nop(); + } + __ ba(false, *success); + __ delayed()->nop(); +} + void LIR_Assembler::emit_opTypeCheck(LIR_OpTypeCheck* op) { LIR_Code code = op->code(); if (code == lir_store_check) { @@ -2434,193 +2625,106 @@ Register Rtmp1 = op->tmp3()->as_register(); __ verify_oop(value); - CodeStub* stub = op->stub(); - Label done; - __ cmp(value, 0); - __ br(Assembler::equal, false, Assembler::pn, done); - __ delayed()->nop(); + // check if it needs to be profiled + ciMethodData* md; + ciProfileData* data; + int mdo_offset_bias = 0; + if (op->should_profile()) { + ciMethod* method = op->profiled_method(); + assert(method != NULL, "Should have method"); + setup_md_access(method, op->profiled_bci(), md, data, mdo_offset_bias); + } + Label profile_cast_success, profile_cast_failure, done; + Label *success_target = op->should_profile() ? &profile_cast_success : &done; + Label *failure_target = op->should_profile() ? &profile_cast_failure : stub->entry(); + + if (op->should_profile()) { + Label not_null; + __ br_notnull(value, false, Assembler::pn, not_null); + __ delayed()->nop(); + Register mdo = k_RInfo; + Register data_val = Rtmp1; + jobject2reg(md->constant_encoding(), mdo); + if (mdo_offset_bias > 0) { + __ set(mdo_offset_bias, data_val); + __ add(mdo, data_val, mdo); + } + Address flags_addr(mdo, md->byte_offset_of_slot(data, DataLayout::flags_offset()) - mdo_offset_bias); + __ ldub(flags_addr, data_val); + __ or3(data_val, BitData::null_seen_byte_constant(), data_val); + __ stb(data_val, flags_addr); + __ ba(false, done); + __ delayed()->nop(); + __ bind(not_null); + } else { + __ br_null(value, false, Assembler::pn, done); + __ delayed()->nop(); + } load(array, oopDesc::klass_offset_in_bytes(), k_RInfo, T_OBJECT, op->info_for_exception()); load(value, oopDesc::klass_offset_in_bytes(), klass_RInfo, T_OBJECT, NULL); // get instance klass load(k_RInfo, objArrayKlass::element_klass_offset_in_bytes() + sizeof(oopDesc), k_RInfo, T_OBJECT, NULL); // perform the fast part of the checking logic - __ check_klass_subtype_fast_path(klass_RInfo, k_RInfo, Rtmp1, O7, &done, stub->entry(), NULL); + __ check_klass_subtype_fast_path(klass_RInfo, k_RInfo, Rtmp1, O7, success_target, failure_target, NULL); // call out-of-line instance of __ check_klass_subtype_slow_path(...): assert(klass_RInfo == G3 && k_RInfo == G1, "incorrect call setup"); __ call(Runtime1::entry_for(Runtime1::slow_subtype_check_id), relocInfo::runtime_call_type); __ delayed()->nop(); __ cmp(G3, 0); - __ br(Assembler::equal, false, Assembler::pn, *stub->entry()); + __ br(Assembler::equal, false, Assembler::pn, *failure_target); __ delayed()->nop(); - __ bind(done); - } else if (op->code() == lir_checkcast) { - // we always need a stub for the failure case. - CodeStub* stub = op->stub(); - Register obj = op->object()->as_register(); - Register k_RInfo = op->tmp1()->as_register(); - Register klass_RInfo = op->tmp2()->as_register(); - Register dst = op->result_opr()->as_register(); - Register Rtmp1 = op->tmp3()->as_register(); - ciKlass* k = op->klass(); - - if (obj == k_RInfo) { - k_RInfo = klass_RInfo; - klass_RInfo = obj; - } - if (op->profiled_method() != NULL) { - ciMethod* method = op->profiled_method(); - int bci = op->profiled_bci(); - - // We need two temporaries to perform this operation on SPARC, - // so to keep things simple we perform a redundant test here - Label profile_done; - __ cmp(obj, 0); - __ br(Assembler::notEqual, false, Assembler::pn, profile_done); - __ delayed()->nop(); - // Object is null; update methodDataOop - ciMethodData* md = method->method_data(); - if (md == NULL) { - bailout("out of memory building methodDataOop"); - return; - } - ciProfileData* data = md->bci_to_data(bci); - assert(data != NULL, "need data for checkcast"); - assert(data->is_BitData(), "need BitData for checkcast"); - Register mdo = k_RInfo; - Register data_val = Rtmp1; + // fall through to the success case + + if (op->should_profile()) { + Register mdo = klass_RInfo, recv = k_RInfo, tmp1 = Rtmp1; + assert_different_registers(value, mdo, recv, tmp1); + __ bind(profile_cast_success); jobject2reg(md->constant_encoding(), mdo); - - int mdo_offset_bias = 0; - if (!Assembler::is_simm13(md->byte_offset_of_slot(data, DataLayout::header_offset()) + data->size_in_bytes())) { - // The offset is large so bias the mdo by the base of the slot so - // that the ld can use simm13s to reference the slots of the data - mdo_offset_bias = md->byte_offset_of_slot(data, DataLayout::header_offset()); - __ set(mdo_offset_bias, data_val); - __ add(mdo, data_val, mdo); + if (mdo_offset_bias > 0) { + __ set(mdo_offset_bias, tmp1); + __ add(mdo, tmp1, mdo); } - - - Address flags_addr(mdo, md->byte_offset_of_slot(data, DataLayout::flags_offset()) - mdo_offset_bias); - __ ldub(flags_addr, data_val); - __ or3(data_val, BitData::null_seen_byte_constant(), data_val); - __ stb(data_val, flags_addr); - __ bind(profile_done); - } - - Label done; - // patching may screw with our temporaries on sparc, - // so let's do it before loading the class - if (k->is_loaded()) { - jobject2reg(k->constant_encoding(), k_RInfo); - } else { - jobject2reg_with_patching(k_RInfo, op->info_for_patch()); + load(Address(value, oopDesc::klass_offset_in_bytes()), recv, T_OBJECT); + type_profile_helper(mdo, mdo_offset_bias, md, data, recv, tmp1, &done); + __ ba(false, done); + __ delayed()->nop(); + // Cast failure case + __ bind(profile_cast_failure); + jobject2reg(md->constant_encoding(), mdo); + if (mdo_offset_bias > 0) { + __ set(mdo_offset_bias, tmp1); + __ add(mdo, tmp1, mdo); + } + Address data_addr(mdo, md->byte_offset_of_slot(data, CounterData::count_offset()) - mdo_offset_bias); + __ ld_ptr(data_addr, tmp1); + __ sub(tmp1, DataLayout::counter_increment, tmp1); + __ st_ptr(tmp1, data_addr); + __ ba(false, *stub->entry()); + __ delayed()->nop(); } - assert(obj != k_RInfo, "must be different"); - __ cmp(obj, 0); - __ br(Assembler::equal, false, Assembler::pn, done); - __ delayed()->nop(); - - // get object class - // not a safepoint as obj null check happens earlier - load(obj, oopDesc::klass_offset_in_bytes(), klass_RInfo, T_OBJECT, NULL); - if (op->fast_check()) { - assert_different_registers(klass_RInfo, k_RInfo); - __ cmp(k_RInfo, klass_RInfo); - __ br(Assembler::notEqual, false, Assembler::pt, *stub->entry()); - __ delayed()->nop(); - __ bind(done); - } else { - bool need_slow_path = true; - if (k->is_loaded()) { - if (k->super_check_offset() != sizeof(oopDesc) + Klass::secondary_super_cache_offset_in_bytes()) - need_slow_path = false; - // perform the fast part of the checking logic - __ check_klass_subtype_fast_path(klass_RInfo, k_RInfo, Rtmp1, noreg, - (need_slow_path ? &done : NULL), - stub->entry(), NULL, - RegisterOrConstant(k->super_check_offset())); - } else { - // perform the fast part of the checking logic - __ check_klass_subtype_fast_path(klass_RInfo, k_RInfo, Rtmp1, O7, - &done, stub->entry(), NULL); - } - if (need_slow_path) { - // call out-of-line instance of __ check_klass_subtype_slow_path(...): - assert(klass_RInfo == G3 && k_RInfo == G1, "incorrect call setup"); - __ call(Runtime1::entry_for(Runtime1::slow_subtype_check_id), relocInfo::runtime_call_type); - __ delayed()->nop(); - __ cmp(G3, 0); - __ br(Assembler::equal, false, Assembler::pn, *stub->entry()); - __ delayed()->nop(); - } - __ bind(done); - } + __ bind(done); + } else if (code == lir_checkcast) { + Register obj = op->object()->as_register(); + Register dst = op->result_opr()->as_register(); + Label success; + emit_typecheck_helper(op, &success, op->stub()->entry(), &success); + __ bind(success); __ mov(obj, dst); } else if (code == lir_instanceof) { Register obj = op->object()->as_register(); - Register k_RInfo = op->tmp1()->as_register(); - Register klass_RInfo = op->tmp2()->as_register(); Register dst = op->result_opr()->as_register(); - Register Rtmp1 = op->tmp3()->as_register(); - ciKlass* k = op->klass(); - - Label done; - if (obj == k_RInfo) { - k_RInfo = klass_RInfo; - klass_RInfo = obj; - } - // patching may screw with our temporaries on sparc, - // so let's do it before loading the class - if (k->is_loaded()) { - jobject2reg(k->constant_encoding(), k_RInfo); - } else { - jobject2reg_with_patching(k_RInfo, op->info_for_patch()); - } - assert(obj != k_RInfo, "must be different"); - __ cmp(obj, 0); - __ br(Assembler::equal, true, Assembler::pn, done); - __ delayed()->set(0, dst); - - // get object class - // not a safepoint as obj null check happens earlier - load(obj, oopDesc::klass_offset_in_bytes(), klass_RInfo, T_OBJECT, NULL); - if (op->fast_check()) { - __ cmp(k_RInfo, klass_RInfo); - __ br(Assembler::equal, true, Assembler::pt, done); - __ delayed()->set(1, dst); - __ set(0, dst); - __ bind(done); - } else { - bool need_slow_path = true; - if (k->is_loaded()) { - if (k->super_check_offset() != sizeof(oopDesc) + Klass::secondary_super_cache_offset_in_bytes()) - need_slow_path = false; - // perform the fast part of the checking logic - __ check_klass_subtype_fast_path(klass_RInfo, k_RInfo, O7, noreg, - (need_slow_path ? &done : NULL), - (need_slow_path ? &done : NULL), NULL, - RegisterOrConstant(k->super_check_offset()), - dst); - } else { - assert(dst != klass_RInfo && dst != k_RInfo, "need 3 registers"); - // perform the fast part of the checking logic - __ check_klass_subtype_fast_path(klass_RInfo, k_RInfo, O7, dst, - &done, &done, NULL, - RegisterOrConstant(-1), - dst); - } - if (need_slow_path) { - // call out-of-line instance of __ check_klass_subtype_slow_path(...): - assert(klass_RInfo == G3 && k_RInfo == G1, "incorrect call setup"); - __ call(Runtime1::entry_for(Runtime1::slow_subtype_check_id), relocInfo::runtime_call_type); - __ delayed()->nop(); - __ mov(G3, dst); - } - __ bind(done); - } + Label success, failure, done; + emit_typecheck_helper(op, &success, &failure, &failure); + __ bind(failure); + __ set(0, dst); + __ ba(false, done); + __ delayed()->nop(); + __ bind(success); + __ set(1, dst); + __ bind(done); } else { ShouldNotReachHere(); } @@ -2776,9 +2880,14 @@ ciProfileData* data = md->bci_to_data(bci); assert(data->is_CounterData(), "need CounterData for calls"); assert(op->mdo()->is_single_cpu(), "mdo must be allocated"); + Register mdo = op->mdo()->as_register(); +#ifdef _LP64 + assert(op->tmp1()->is_double_cpu(), "tmp1 must be allocated"); + Register tmp1 = op->tmp1()->as_register_lo(); +#else assert(op->tmp1()->is_single_cpu(), "tmp1 must be allocated"); - Register mdo = op->mdo()->as_register(); Register tmp1 = op->tmp1()->as_register(); +#endif jobject2reg(md->constant_encoding(), mdo); int mdo_offset_bias = 0; if (!Assembler::is_simm13(md->byte_offset_of_slot(data, CounterData::count_offset()) + @@ -2795,13 +2904,13 @@ // Perform additional virtual call profiling for invokevirtual and // invokeinterface bytecodes if ((bc == Bytecodes::_invokevirtual || bc == Bytecodes::_invokeinterface) && - Tier1ProfileVirtualCalls) { + C1ProfileVirtualCalls) { assert(op->recv()->is_single_cpu(), "recv must be allocated"); Register recv = op->recv()->as_register(); assert_different_registers(mdo, tmp1, recv); assert(data->is_VirtualCallData(), "need VirtualCallData for virtual calls"); ciKlass* known_klass = op->known_holder(); - if (Tier1OptimizeVirtualCallProfiling && known_klass != NULL) { + if (C1OptimizeVirtualCallProfiling && known_klass != NULL) { // We know the type that will be seen at this call site; we can // statically update the methodDataOop rather than needing to do // dynamic tests on the receiver type @@ -2816,9 +2925,9 @@ Address data_addr(mdo, md->byte_offset_of_slot(data, VirtualCallData::receiver_count_offset(i)) - mdo_offset_bias); - __ lduw(data_addr, tmp1); + __ ld_ptr(data_addr, tmp1); __ add(tmp1, DataLayout::counter_increment, tmp1); - __ stw(tmp1, data_addr); + __ st_ptr(tmp1, data_addr); return; } } @@ -2837,70 +2946,32 @@ __ st_ptr(tmp1, recv_addr); Address data_addr(mdo, md->byte_offset_of_slot(data, VirtualCallData::receiver_count_offset(i)) - mdo_offset_bias); - __ lduw(data_addr, tmp1); + __ ld_ptr(data_addr, tmp1); __ add(tmp1, DataLayout::counter_increment, tmp1); - __ stw(tmp1, data_addr); + __ st_ptr(tmp1, data_addr); return; } } } else { load(Address(recv, oopDesc::klass_offset_in_bytes()), recv, T_OBJECT); Label update_done; - uint i; - for (i = 0; i < VirtualCallData::row_limit(); i++) { - Label next_test; - // See if the receiver is receiver[n]. - Address receiver_addr(mdo, md->byte_offset_of_slot(data, VirtualCallData::receiver_offset(i)) - - mdo_offset_bias); - __ ld_ptr(receiver_addr, tmp1); - __ verify_oop(tmp1); - __ cmp(recv, tmp1); - __ brx(Assembler::notEqual, false, Assembler::pt, next_test); - __ delayed()->nop(); - Address data_addr(mdo, md->byte_offset_of_slot(data, VirtualCallData::receiver_count_offset(i)) - - mdo_offset_bias); - __ lduw(data_addr, tmp1); - __ add(tmp1, DataLayout::counter_increment, tmp1); - __ stw(tmp1, data_addr); - __ br(Assembler::always, false, Assembler::pt, update_done); - __ delayed()->nop(); - __ bind(next_test); - } - - // Didn't find receiver; find next empty slot and fill it in - for (i = 0; i < VirtualCallData::row_limit(); i++) { - Label next_test; - Address recv_addr(mdo, md->byte_offset_of_slot(data, VirtualCallData::receiver_offset(i)) - - mdo_offset_bias); - load(recv_addr, tmp1, T_OBJECT); - __ tst(tmp1); - __ brx(Assembler::notEqual, false, Assembler::pt, next_test); - __ delayed()->nop(); - __ st_ptr(recv, recv_addr); - __ set(DataLayout::counter_increment, tmp1); - __ st_ptr(tmp1, mdo, md->byte_offset_of_slot(data, VirtualCallData::receiver_count_offset(i)) - - mdo_offset_bias); - __ br(Assembler::always, false, Assembler::pt, update_done); - __ delayed()->nop(); - __ bind(next_test); - } + type_profile_helper(mdo, mdo_offset_bias, md, data, recv, tmp1, &update_done); // Receiver did not match any saved receiver and there is no empty row for it. // Increment total counter to indicate polymorphic case. - __ lduw(counter_addr, tmp1); + __ ld_ptr(counter_addr, tmp1); __ add(tmp1, DataLayout::counter_increment, tmp1); - __ stw(tmp1, counter_addr); + __ st_ptr(tmp1, counter_addr); __ bind(update_done); } } else { // Static call - __ lduw(counter_addr, tmp1); + __ ld_ptr(counter_addr, tmp1); __ add(tmp1, DataLayout::counter_increment, tmp1); - __ stw(tmp1, counter_addr); + __ st_ptr(tmp1, counter_addr); } } - void LIR_Assembler::align_backward_branch_target() { __ align(OptoLoopAlignment); } @@ -3093,31 +3164,36 @@ // no-op on TSO } -// Macro to Pack two sequential registers containing 32 bit values +// Pack two sequential registers containing 32 bit values // into a single 64 bit register. -// rs and rs->successor() are packed into rd -// rd and rs may be the same register. -// Note: rs and rs->successor() are destroyed. -void LIR_Assembler::pack64( Register rs, Register rd ) { +// src and src->successor() are packed into dst +// src and dst may be the same register. +// Note: src is destroyed +void LIR_Assembler::pack64(LIR_Opr src, LIR_Opr dst) { + Register rs = src->as_register(); + Register rd = dst->as_register_lo(); __ sllx(rs, 32, rs); __ srl(rs->successor(), 0, rs->successor()); __ or3(rs, rs->successor(), rd); } -// Macro to unpack a 64 bit value in a register into +// Unpack a 64 bit value in a register into // two sequential registers. -// rd is unpacked into rd and rd->successor() -void LIR_Assembler::unpack64( Register rd ) { - __ mov(rd, rd->successor()); - __ srax(rd, 32, rd); - __ sra(rd->successor(), 0, rd->successor()); +// src is unpacked into dst and dst->successor() +void LIR_Assembler::unpack64(LIR_Opr src, LIR_Opr dst) { + Register rs = src->as_register_lo(); + Register rd = dst->as_register_hi(); + assert_different_registers(rs, rd, rd->successor()); + __ srlx(rs, 32, rd); + __ srl (rs, 0, rd->successor()); } void LIR_Assembler::leal(LIR_Opr addr_opr, LIR_Opr dest) { LIR_Address* addr = addr_opr->as_address_ptr(); assert(addr->index()->is_illegal() && addr->scale() == LIR_Address::times_1 && Assembler::is_simm13(addr->disp()), "can't handle complex addresses yet"); - __ add(addr->base()->as_register(), addr->disp(), dest->as_register()); + + __ add(addr->base()->as_pointer_register(), addr->disp(), dest->as_pointer_register()); } @@ -3188,11 +3264,36 @@ tty->cr(); } #endif - continue; + } else { + LIR_Op* delay_op = new LIR_OpDelay(new LIR_Op0(lir_nop), op->as_OpJavaCall()->info()); + inst->insert_before(i + 1, delay_op); + i++; } - LIR_Op* delay_op = new LIR_OpDelay(new LIR_Op0(lir_nop), op->as_OpJavaCall()->info()); - inst->insert_before(i + 1, delay_op); +#if defined(TIERED) && !defined(_LP64) + // fixup the return value from G1 to O0/O1 for long returns. + // It's done here instead of in LIRGenerator because there's + // such a mismatch between the single reg and double reg + // calling convention. + LIR_OpJavaCall* callop = op->as_OpJavaCall(); + if (callop->result_opr() == FrameMap::out_long_opr) { + LIR_OpJavaCall* call; + LIR_OprList* arguments = new LIR_OprList(callop->arguments()->length()); + for (int a = 0; a < arguments->length(); a++) { + arguments[a] = callop->arguments()[a]; + } + if (op->code() == lir_virtual_call) { + call = new LIR_OpJavaCall(op->code(), callop->method(), callop->receiver(), FrameMap::g1_long_single_opr, + callop->vtable_offset(), arguments, callop->info()); + } else { + call = new LIR_OpJavaCall(op->code(), callop->method(), callop->receiver(), FrameMap::g1_long_single_opr, + callop->addr(), arguments, callop->info()); + } + inst->at_put(i - 1, call); + inst->insert_before(i + 1, new LIR_Op1(lir_unpack64, FrameMap::g1_long_single_opr, callop->result_opr(), + T_LONG, lir_patch_none, NULL)); + } +#endif break; } } diff -r 2966dab85b3e -r a25394352030 src/cpu/sparc/vm/c1_LIRAssembler_sparc.hpp --- a/src/cpu/sparc/vm/c1_LIRAssembler_sparc.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/cpu/sparc/vm/c1_LIRAssembler_sparc.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000, 2006, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -71,9 +71,16 @@ static bool is_single_instruction(LIR_Op* op); + // Record the type of the receiver in ReceiverTypeData + void type_profile_helper(Register mdo, int mdo_offset_bias, + ciMethodData *md, ciProfileData *data, + Register recv, Register tmp1, Label* update_done); + // Setup pointers to MDO, MDO slot, also compute offset bias to access the slot. + void setup_md_access(ciMethod* method, int bci, + ciMethodData*& md, ciProfileData*& data, int& mdo_offset_bias); public: - void pack64( Register rs, Register rd ); - void unpack64( Register rd ); + void pack64(LIR_Opr src, LIR_Opr dst); + void unpack64(LIR_Opr src, LIR_Opr dst); enum { #ifdef _LP64 diff -r 2966dab85b3e -r a25394352030 src/cpu/sparc/vm/c1_LIRGenerator_sparc.cpp --- a/src/cpu/sparc/vm/c1_LIRGenerator_sparc.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/cpu/sparc/vm/c1_LIRGenerator_sparc.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2005, 2009, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -227,29 +227,37 @@ } } +LIR_Opr LIRGenerator::load_immediate(int x, BasicType type) { + LIR_Opr r; + if (type == T_LONG) { + r = LIR_OprFact::longConst(x); + } else if (type == T_INT) { + r = LIR_OprFact::intConst(x); + } else { + ShouldNotReachHere(); + } + if (!Assembler::is_simm13(x)) { + LIR_Opr tmp = new_register(type); + __ move(r, tmp); + return tmp; + } + return r; +} -void LIRGenerator::increment_counter(address counter, int step) { +void LIRGenerator::increment_counter(address counter, BasicType type, int step) { LIR_Opr pointer = new_pointer_register(); __ move(LIR_OprFact::intptrConst(counter), pointer); - LIR_Address* addr = new LIR_Address(pointer, T_INT); + LIR_Address* addr = new LIR_Address(pointer, type); increment_counter(addr, step); } void LIRGenerator::increment_counter(LIR_Address* addr, int step) { - LIR_Opr temp = new_register(T_INT); + LIR_Opr temp = new_register(addr->type()); __ move(addr, temp); - LIR_Opr c = LIR_OprFact::intConst(step); - if (Assembler::is_simm13(step)) { - __ add(temp, c, temp); - } else { - LIR_Opr temp2 = new_register(T_INT); - __ move(c, temp2); - __ add(temp, temp2, temp); - } + __ add(temp, load_immediate(step, addr->type()), temp); __ move(temp, addr); } - void LIRGenerator::cmp_mem_int(LIR_Condition condition, LIR_Opr base, int disp, int c, CodeEmitInfo* info) { LIR_Opr o7opr = FrameMap::O7_opr; __ load(new LIR_Address(base, disp, T_INT), o7opr, info); @@ -611,7 +619,6 @@ left.load_item(); right.load_item(); LIR_Opr reg = rlock_result(x); - if (x->x()->type()->is_float_kind()) { Bytecodes::Code code = x->op(); __ fcmp2int(left.result(), right.result(), reg, (code == Bytecodes::_fcmpl || code == Bytecodes::_dcmpl)); @@ -1040,7 +1047,9 @@ LIR_Opr tmp1 = FrameMap::G1_oop_opr; LIR_Opr tmp2 = FrameMap::G3_oop_opr; LIR_Opr tmp3 = FrameMap::G4_oop_opr; - __ instanceof(out_reg, obj.result(), x->klass(), tmp1, tmp2, tmp3, x->direct_compare(), patching_info); + __ instanceof(out_reg, obj.result(), x->klass(), tmp1, tmp2, tmp3, + x->direct_compare(), patching_info, + x->profiled_method(), x->profiled_bci()); } @@ -1089,12 +1098,12 @@ // add safepoint before generating condition code so it can be recomputed if (x->is_safepoint()) { // increment backedge counter if needed - increment_backedge_counter(state_for(x, x->state_before())); - + increment_backedge_counter(state_for(x, x->state_before()), x->profiled_bci()); __ safepoint(new_register(T_INT), state_for(x, x->state_before())); } __ cmp(lir_cond(cond), left, right); + // Generate branch profiling. Profiling code doesn't kill flags. profile_branch(x, cond); move_to_phi(x->state()); if (x->x()->type()->is_float_kind()) { diff -r 2966dab85b3e -r a25394352030 src/cpu/sparc/vm/c1_Runtime1_sparc.cpp --- a/src/cpu/sparc/vm/c1_Runtime1_sparc.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/cpu/sparc/vm/c1_Runtime1_sparc.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -465,12 +465,10 @@ break; -#ifdef TIERED case counter_overflow_id: - // G4 contains bci - oop_maps = generate_stub_call(sasm, noreg, CAST_FROM_FN_PTR(address, counter_overflow), G4); + // G4 contains bci, G5 contains method + oop_maps = generate_stub_call(sasm, noreg, CAST_FROM_FN_PTR(address, counter_overflow), G4, G5); break; -#endif // TIERED case new_type_array_id: case new_object_array_id: diff -r 2966dab85b3e -r a25394352030 src/cpu/sparc/vm/c1_globals_sparc.hpp --- a/src/cpu/sparc/vm/c1_globals_sparc.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/cpu/sparc/vm/c1_globals_sparc.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000, 2007, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -34,14 +34,7 @@ define_pd_global(bool, UseOnStackReplacement, true ); define_pd_global(bool, TieredCompilation, false); define_pd_global(intx, CompileThreshold, 1000 ); // Design center runs on 1.3.1 -define_pd_global(intx, Tier2CompileThreshold, 1500 ); -define_pd_global(intx, Tier3CompileThreshold, 2000 ); -define_pd_global(intx, Tier4CompileThreshold, 2500 ); - define_pd_global(intx, BackEdgeThreshold, 100000); -define_pd_global(intx, Tier2BackEdgeThreshold, 100000); -define_pd_global(intx, Tier3BackEdgeThreshold, 100000); -define_pd_global(intx, Tier4BackEdgeThreshold, 100000); define_pd_global(intx, OnStackReplacePercentage, 1400 ); define_pd_global(bool, UseTLAB, true ); diff -r 2966dab85b3e -r a25394352030 src/cpu/sparc/vm/c2_globals_sparc.hpp --- a/src/cpu/sparc/vm/c2_globals_sparc.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/cpu/sparc/vm/c2_globals_sparc.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000, 2007, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -37,21 +37,8 @@ define_pd_global(bool, ProfileInterpreter, true); #endif // CC_INTERP define_pd_global(bool, TieredCompilation, false); -#ifdef TIERED -define_pd_global(intx, CompileThreshold, 1000); -define_pd_global(intx, BackEdgeThreshold, 14000); -#else define_pd_global(intx, CompileThreshold, 10000); define_pd_global(intx, BackEdgeThreshold, 140000); -#endif // TIERED - -define_pd_global(intx, Tier2CompileThreshold, 10000); // unused level -define_pd_global(intx, Tier3CompileThreshold, 10000); -define_pd_global(intx, Tier4CompileThreshold, 40000); - -define_pd_global(intx, Tier2BackEdgeThreshold, 100000); -define_pd_global(intx, Tier3BackEdgeThreshold, 100000); -define_pd_global(intx, Tier4BackEdgeThreshold, 100000); define_pd_global(intx, OnStackReplacePercentage, 140); define_pd_global(intx, ConditionalMoveLimit, 4); diff -r 2966dab85b3e -r a25394352030 src/cpu/sparc/vm/frame_sparc.hpp --- a/src/cpu/sparc/vm/frame_sparc.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/cpu/sparc/vm/frame_sparc.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2006, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -263,8 +263,7 @@ }; private: - - constantPoolCacheOop* frame::interpreter_frame_cpoolcache_addr() const; + constantPoolCacheOop* interpreter_frame_cpoolcache_addr() const; #ifndef CC_INTERP diff -r 2966dab85b3e -r a25394352030 src/cpu/sparc/vm/interp_masm_sparc.cpp --- a/src/cpu/sparc/vm/interp_masm_sparc.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/cpu/sparc/vm/interp_masm_sparc.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -2431,3 +2431,20 @@ } #endif // CC_INTERP } + +// Jump if ((*counter_addr += increment) & mask) satisfies the condition. +void InterpreterMacroAssembler::increment_mask_and_jump(Address counter_addr, + int increment, int mask, + Register scratch1, Register scratch2, + Condition cond, Label *where) { + ld(counter_addr, scratch1); + add(scratch1, increment, scratch1); + if (is_simm13(mask)) { + andcc(scratch1, mask, G0); + } else { + set(mask, scratch2); + andcc(scratch1, scratch2, G0); + } + br(cond, false, Assembler::pn, *where); + delayed()->st(scratch1, counter_addr); +} diff -r 2966dab85b3e -r a25394352030 src/cpu/sparc/vm/interp_masm_sparc.hpp --- a/src/cpu/sparc/vm/interp_masm_sparc.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/cpu/sparc/vm/interp_masm_sparc.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -278,6 +278,10 @@ void increment_mdp_data_at(Register reg, int constant, Register bumped_count, Register scratch2, bool decrement = false); + void increment_mask_and_jump(Address counter_addr, + int increment, int mask, + Register scratch1, Register scratch2, + Condition cond, Label *where); void set_mdp_flag_at(int flag_constant, Register scratch); void test_mdp_data_at(int offset, Register value, Label& not_equal_continue, Register scratch); @@ -321,4 +325,5 @@ void save_return_value(TosState state, bool is_native_call); void restore_return_value(TosState state, bool is_native_call); + }; diff -r 2966dab85b3e -r a25394352030 src/cpu/sparc/vm/sharedRuntime_sparc.cpp --- a/src/cpu/sparc/vm/sharedRuntime_sparc.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/cpu/sparc/vm/sharedRuntime_sparc.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -3331,10 +3331,8 @@ __ stf(FloatRegisterImpl::D, Freturn0, saved_Freturn0_addr); #if !defined(_LP64) #if defined(COMPILER2) - if (!TieredCompilation) { - // 32-bit 1-register longs return longs in G1 - __ stx(Greturn1, saved_Greturn1_addr); - } + // 32-bit 1-register longs return longs in G1 + __ stx(Greturn1, saved_Greturn1_addr); #endif __ set_last_Java_frame(SP, noreg); __ call_VM_leaf(L7_thread_cache, CAST_FROM_FN_PTR(address, Deoptimization::unpack_frames), G2_thread, G4deopt_mode); @@ -3347,24 +3345,15 @@ __ reset_last_Java_frame(); __ ldf(FloatRegisterImpl::D, saved_Freturn0_addr, Freturn0); - // In tiered we never use C2 to compile methods returning longs so - // the result is where we expect it already. - #if !defined(_LP64) && defined(COMPILER2) // In 32 bit, C2 returns longs in G1 so restore the saved G1 into - // I0/I1 if the return value is long. In the tiered world there is - // a mismatch between how C1 and C2 return longs compiles and so - // currently compilation of methods which return longs is disabled - // for C2 and so is this code. Eventually C1 and C2 will do the - // same thing for longs in the tiered world. - if (!TieredCompilation) { - Label not_long; - __ cmp(O0,T_LONG); - __ br(Assembler::notEqual, false, Assembler::pt, not_long); - __ delayed()->nop(); - __ ldd(saved_Greturn1_addr,I0); - __ bind(not_long); - } + // I0/I1 if the return value is long. + Label not_long; + __ cmp(O0,T_LONG); + __ br(Assembler::notEqual, false, Assembler::pt, not_long); + __ delayed()->nop(); + __ ldd(saved_Greturn1_addr,I0); + __ bind(not_long); #endif __ ret(); __ delayed()->restore(); diff -r 2966dab85b3e -r a25394352030 src/cpu/sparc/vm/stubGenerator_sparc.cpp --- a/src/cpu/sparc/vm/stubGenerator_sparc.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/cpu/sparc/vm/stubGenerator_sparc.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -1609,7 +1609,7 @@ assert_clean_int(count, O3); // Make sure 'count' is clean int. Label L_exit, L_skip_align1, L_skip_align2, L_fill_byte; - Label L_fill_2_bytes, L_fill_4_bytes, L_fill_32_bytes; + Label L_fill_2_bytes, L_fill_elements, L_fill_32_bytes; int shift = -1; switch (t) { @@ -1635,8 +1635,8 @@ } if (t == T_SHORT) { // Zero extend value - __ sethi(0xffff0000, O3); - __ andn(value, O3, value); + __ sllx(value, 48, value); + __ srlx(value, 48, value); } if (t == T_BYTE || t == T_SHORT) { __ sllx(value, 16, O3); @@ -1644,8 +1644,8 @@ } __ cmp(count, 2<andcc(count, 1<andcc(count, 1, G0); if (!aligned && (t == T_BYTE || t == T_SHORT)) { // align source address at 4 bytes address boundary @@ -1683,12 +1683,6 @@ } #endif - Label L_check_fill_8_bytes; - // Fill 32-byte chunks - __ subcc(count, 8 << shift, count); - __ brx(Assembler::less, false, Assembler::pt, L_check_fill_8_bytes); - __ delayed()->nop(); - if (t == T_INT) { // Zero extend value __ srl(value, 0, value); @@ -1698,7 +1692,13 @@ __ or3(value, O3, value); } - Label L_fill_32_bytes_loop; + Label L_check_fill_8_bytes; + // Fill 32-byte chunks + __ subcc(count, 8 << shift, count); + __ brx(Assembler::less, false, Assembler::pt, L_check_fill_8_bytes); + __ delayed()->nop(); + + Label L_fill_32_bytes_loop, L_fill_4_bytes; __ align(16); __ BIND(L_fill_32_bytes_loop); @@ -1730,6 +1730,9 @@ // fill trailing 4 bytes __ andcc(count, 1<mov(G0, O0); // return 0 + __ delayed()->nop(); + + // Handle copies less than 8 bytes. Int is handled elsewhere. + if (t == T_BYTE) { + __ BIND(L_fill_elements); + Label L_fill_2, L_fill_4; + // in delay slot __ andcc(count, 1, G0); + __ brx(Assembler::zero, false, Assembler::pt, L_fill_2); + __ delayed()->andcc(count, 2, G0); + __ stb(value, to, 0); + __ inc(to, 1); + __ BIND(L_fill_2); + __ brx(Assembler::zero, false, Assembler::pt, L_fill_4); + __ delayed()->andcc(count, 4, G0); + __ stb(value, to, 0); + __ stb(value, to, 1); + __ inc(to, 2); + __ BIND(L_fill_4); + __ brx(Assembler::zero, false, Assembler::pt, L_exit); + __ delayed()->nop(); + __ stb(value, to, 0); + __ stb(value, to, 1); + __ stb(value, to, 2); + __ retl(); + __ delayed()->stb(value, to, 3); + } + + if (t == T_SHORT) { + Label L_fill_2; + __ BIND(L_fill_elements); + // in delay slot __ andcc(count, 1, G0); + __ brx(Assembler::zero, false, Assembler::pt, L_fill_2); + __ delayed()->andcc(count, 2, G0); + __ sth(value, to, 0); + __ inc(to, 2); + __ BIND(L_fill_2); + __ brx(Assembler::zero, false, Assembler::pt, L_exit); + __ delayed()->nop(); + __ sth(value, to, 0); + __ retl(); + __ delayed()->sth(value, to, 2); + } return start; } diff -r 2966dab85b3e -r a25394352030 src/cpu/sparc/vm/stubRoutines_sparc.hpp --- a/src/cpu/sparc/vm/stubRoutines_sparc.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/cpu/sparc/vm/stubRoutines_sparc.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -43,7 +43,7 @@ // MethodHandles adapters enum method_handles_platform_dependent_constants { - method_handles_adapters_code_size = 6000 + method_handles_adapters_code_size = 12000 }; class Sparc { diff -r 2966dab85b3e -r a25394352030 src/cpu/sparc/vm/templateInterpreter_sparc.cpp --- a/src/cpu/sparc/vm/templateInterpreter_sparc.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/cpu/sparc/vm/templateInterpreter_sparc.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -294,34 +294,64 @@ // ??: invocation counter // void InterpreterGenerator::generate_counter_incr(Label* overflow, Label* profile_method, Label* profile_method_continue) { - // Update standard invocation counters - __ increment_invocation_counter(O0, G3_scratch); - if (ProfileInterpreter) { // %%% Merge this into methodDataOop - Address interpreter_invocation_counter(Lmethod, methodOopDesc::interpreter_invocation_counter_offset()); - __ ld(interpreter_invocation_counter, G3_scratch); - __ inc(G3_scratch); - __ st(G3_scratch, interpreter_invocation_counter); - } + // Note: In tiered we increment either counters in methodOop or in MDO depending if we're profiling or not. + if (TieredCompilation) { + const int increment = InvocationCounter::count_increment; + const int mask = ((1 << Tier0InvokeNotifyFreqLog) - 1) << InvocationCounter::count_shift; + Label no_mdo, done; + if (ProfileInterpreter) { + // If no method data exists, go to profile_continue. + __ ld_ptr(Lmethod, methodOopDesc::method_data_offset(), G4_scratch); + __ br_null(G4_scratch, false, Assembler::pn, no_mdo); + __ delayed()->nop(); + // Increment counter + Address mdo_invocation_counter(G4_scratch, + in_bytes(methodDataOopDesc::invocation_counter_offset()) + + in_bytes(InvocationCounter::counter_offset())); + __ increment_mask_and_jump(mdo_invocation_counter, increment, mask, + G3_scratch, Lscratch, + Assembler::zero, overflow); + __ ba(false, done); + __ delayed()->nop(); + } - if (ProfileInterpreter && profile_method != NULL) { - // Test to see if we should create a method data oop - AddressLiteral profile_limit(&InvocationCounter::InterpreterProfileLimit); - __ sethi(profile_limit, G3_scratch); - __ ld(G3_scratch, profile_limit.low10(), G3_scratch); - __ cmp(O0, G3_scratch); - __ br(Assembler::lessUnsigned, false, Assembler::pn, *profile_method_continue); - __ delayed()->nop(); + // Increment counter in methodOop + __ bind(no_mdo); + Address invocation_counter(Lmethod, + in_bytes(methodOopDesc::invocation_counter_offset()) + + in_bytes(InvocationCounter::counter_offset())); + __ increment_mask_and_jump(invocation_counter, increment, mask, + G3_scratch, Lscratch, + Assembler::zero, overflow); + __ bind(done); + } else { + // Update standard invocation counters + __ increment_invocation_counter(O0, G3_scratch); + if (ProfileInterpreter) { // %%% Merge this into methodDataOop + Address interpreter_invocation_counter(Lmethod,in_bytes(methodOopDesc::interpreter_invocation_counter_offset())); + __ ld(interpreter_invocation_counter, G3_scratch); + __ inc(G3_scratch); + __ st(G3_scratch, interpreter_invocation_counter); + } - // if no method data exists, go to profile_method - __ test_method_data_pointer(*profile_method); - } + if (ProfileInterpreter && profile_method != NULL) { + // Test to see if we should create a method data oop + AddressLiteral profile_limit((address)&InvocationCounter::InterpreterProfileLimit); + __ load_contents(profile_limit, G3_scratch); + __ cmp(O0, G3_scratch); + __ br(Assembler::lessUnsigned, false, Assembler::pn, *profile_method_continue); + __ delayed()->nop(); - AddressLiteral invocation_limit(&InvocationCounter::InterpreterInvocationLimit); - __ sethi(invocation_limit, G3_scratch); - __ ld(G3_scratch, invocation_limit.low10(), G3_scratch); - __ cmp(O0, G3_scratch); - __ br(Assembler::greaterEqualUnsigned, false, Assembler::pn, *overflow); - __ delayed()->nop(); + // if no method data exists, go to profile_method + __ test_method_data_pointer(*profile_method); + } + + AddressLiteral invocation_limit((address)&InvocationCounter::InterpreterInvocationLimit); + __ load_contents(invocation_limit, G3_scratch); + __ cmp(O0, G3_scratch); + __ br(Assembler::greaterEqualUnsigned, false, Assembler::pn, *overflow); + __ delayed()->nop(); + } } diff -r 2966dab85b3e -r a25394352030 src/cpu/sparc/vm/templateTable_sparc.cpp --- a/src/cpu/sparc/vm/templateTable_sparc.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/cpu/sparc/vm/templateTable_sparc.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -1580,6 +1580,7 @@ const Register O0_cur_bcp = O0; __ mov( Lbcp, O0_cur_bcp ); + bool increment_invocation_counter_for_backward_branches = UseCompiler && UseLoopCounter; if ( increment_invocation_counter_for_backward_branches ) { Label Lforward; @@ -1588,17 +1589,84 @@ // Bump bytecode pointer by displacement (take the branch) __ delayed()->add( O1_disp, Lbcp, Lbcp ); // add to bc addr - // Update Backedge branch separately from invocations - const Register G4_invoke_ctr = G4; - __ increment_backedge_counter(G4_invoke_ctr, G1_scratch); - if (ProfileInterpreter) { - __ test_invocation_counter_for_mdp(G4_invoke_ctr, Lbcp, G3_scratch, Lforward); - if (UseOnStackReplacement) { - __ test_backedge_count_for_osr(O2_bumped_count, O0_cur_bcp, G3_scratch); + if (TieredCompilation) { + Label Lno_mdo, Loverflow; + int increment = InvocationCounter::count_increment; + int mask = ((1 << Tier0BackedgeNotifyFreqLog) - 1) << InvocationCounter::count_shift; + if (ProfileInterpreter) { + // If no method data exists, go to profile_continue. + __ ld_ptr(Lmethod, methodOopDesc::method_data_offset(), G4_scratch); + __ br_null(G4_scratch, false, Assembler::pn, Lno_mdo); + __ delayed()->nop(); + + // Increment backedge counter in the MDO + Address mdo_backedge_counter(G4_scratch, in_bytes(methodDataOopDesc::backedge_counter_offset()) + + in_bytes(InvocationCounter::counter_offset())); + __ increment_mask_and_jump(mdo_backedge_counter, increment, mask, G3_scratch, Lscratch, + Assembler::notZero, &Lforward); + __ ba(false, Loverflow); + __ delayed()->nop(); } + + // If there's no MDO, increment counter in methodOop + __ bind(Lno_mdo); + Address backedge_counter(Lmethod, in_bytes(methodOopDesc::backedge_counter_offset()) + + in_bytes(InvocationCounter::counter_offset())); + __ increment_mask_and_jump(backedge_counter, increment, mask, G3_scratch, Lscratch, + Assembler::notZero, &Lforward); + __ bind(Loverflow); + + // notify point for loop, pass branch bytecode + __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::frequency_counter_overflow), O0_cur_bcp); + + // Was an OSR adapter generated? + // O0 = osr nmethod + __ br_null(O0, false, Assembler::pn, Lforward); + __ delayed()->nop(); + + // Has the nmethod been invalidated already? + __ ld(O0, nmethod::entry_bci_offset(), O2); + __ cmp(O2, InvalidOSREntryBci); + __ br(Assembler::equal, false, Assembler::pn, Lforward); + __ delayed()->nop(); + + // migrate the interpreter frame off of the stack + + __ mov(G2_thread, L7); + // save nmethod + __ mov(O0, L6); + __ set_last_Java_frame(SP, noreg); + __ call_VM_leaf(noreg, CAST_FROM_FN_PTR(address, SharedRuntime::OSR_migration_begin), L7); + __ reset_last_Java_frame(); + __ mov(L7, G2_thread); + + // move OSR nmethod to I1 + __ mov(L6, I1); + + // OSR buffer to I0 + __ mov(O0, I0); + + // remove the interpreter frame + __ restore(I5_savedSP, 0, SP); + + // Jump to the osr code. + __ ld_ptr(O1, nmethod::osr_entry_point_offset(), O2); + __ jmp(O2, G0); + __ delayed()->nop(); + } else { - if (UseOnStackReplacement) { - __ test_backedge_count_for_osr(G4_invoke_ctr, O0_cur_bcp, G3_scratch); + // Update Backedge branch separately from invocations + const Register G4_invoke_ctr = G4; + __ increment_backedge_counter(G4_invoke_ctr, G1_scratch); + if (ProfileInterpreter) { + __ test_invocation_counter_for_mdp(G4_invoke_ctr, Lbcp, G3_scratch, Lforward); + if (UseOnStackReplacement) { + __ test_backedge_count_for_osr(O2_bumped_count, O0_cur_bcp, G3_scratch); + } + } else { + if (UseOnStackReplacement) { + __ test_backedge_count_for_osr(G4_invoke_ctr, O0_cur_bcp, G3_scratch); + } } } diff -r 2966dab85b3e -r a25394352030 src/cpu/x86/vm/assembler_x86.cpp --- a/src/cpu/x86/vm/assembler_x86.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/cpu/x86/vm/assembler_x86.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -4993,19 +4993,22 @@ ttyLocker ttyl; tty->print_cr("eip = 0x%08x", eip); #ifndef PRODUCT - tty->cr(); - findpc(eip); - tty->cr(); + if ((WizardMode || Verbose) && PrintMiscellaneous) { + tty->cr(); + findpc(eip); + tty->cr(); + } #endif - tty->print_cr("rax, = 0x%08x", rax); - tty->print_cr("rbx, = 0x%08x", rbx); + tty->print_cr("rax = 0x%08x", rax); + tty->print_cr("rbx = 0x%08x", rbx); tty->print_cr("rcx = 0x%08x", rcx); tty->print_cr("rdx = 0x%08x", rdx); tty->print_cr("rdi = 0x%08x", rdi); tty->print_cr("rsi = 0x%08x", rsi); - tty->print_cr("rbp, = 0x%08x", rbp); + tty->print_cr("rbp = 0x%08x", rbp); tty->print_cr("rsp = 0x%08x", rsp); BREAKPOINT; + assert(false, "start up GDB"); } } else { ttyLocker ttyl; @@ -7677,11 +7680,19 @@ movptr(tmp, ExternalAddress((address) delayed_value_addr)); #ifdef ASSERT - Label L; - testptr(tmp, tmp); - jccb(Assembler::notZero, L); - hlt(); - bind(L); + { Label L; + testptr(tmp, tmp); + if (WizardMode) { + jcc(Assembler::notZero, L); + char* buf = new char[40]; + sprintf(buf, "DelayedValue="INTPTR_FORMAT, delayed_value_addr[1]); + stop(buf); + } else { + jccb(Assembler::notZero, L); + hlt(); + } + bind(L); + } #endif if (offset != 0) diff -r 2966dab85b3e -r a25394352030 src/cpu/x86/vm/c1_CodeStubs_x86.cpp --- a/src/cpu/x86/vm/c1_CodeStubs_x86.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/cpu/x86/vm/c1_CodeStubs_x86.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -68,19 +68,15 @@ __ jmp(_continuation); } -#ifdef TIERED void CounterOverflowStub::emit_code(LIR_Assembler* ce) { __ bind(_entry); + ce->store_parameter(_method->as_register(), 1); ce->store_parameter(_bci, 0); __ call(RuntimeAddress(Runtime1::entry_for(Runtime1::counter_overflow_id))); ce->add_call_info_here(_info); ce->verify_oop_map(_info); - __ jmp(_continuation); } -#endif // TIERED - - RangeCheckStub::RangeCheckStub(CodeEmitInfo* info, LIR_Opr index, bool throw_index_out_of_bounds_exception) diff -r 2966dab85b3e -r a25394352030 src/cpu/x86/vm/c1_LIRAssembler_x86.cpp --- a/src/cpu/x86/vm/c1_LIRAssembler_x86.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/cpu/x86/vm/c1_LIRAssembler_x86.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -1613,6 +1613,189 @@ __ bind(*op->stub()->continuation()); } +void LIR_Assembler::type_profile_helper(Register mdo, + ciMethodData *md, ciProfileData *data, + Register recv, Label* update_done) { + uint i; + for (i = 0; i < ReceiverTypeData::row_limit(); i++) { + Label next_test; + // See if the receiver is receiver[n]. + __ cmpptr(recv, Address(mdo, md->byte_offset_of_slot(data, ReceiverTypeData::receiver_offset(i)))); + __ jccb(Assembler::notEqual, next_test); + Address data_addr(mdo, md->byte_offset_of_slot(data, ReceiverTypeData::receiver_count_offset(i))); + __ addptr(data_addr, DataLayout::counter_increment); + __ jmp(*update_done); + __ bind(next_test); + } + + // Didn't find receiver; find next empty slot and fill it in + for (i = 0; i < ReceiverTypeData::row_limit(); i++) { + Label next_test; + Address recv_addr(mdo, md->byte_offset_of_slot(data, ReceiverTypeData::receiver_offset(i))); + __ cmpptr(recv_addr, (intptr_t)NULL_WORD); + __ jccb(Assembler::notEqual, next_test); + __ movptr(recv_addr, recv); + __ movptr(Address(mdo, md->byte_offset_of_slot(data, ReceiverTypeData::receiver_count_offset(i))), DataLayout::counter_increment); + __ jmp(*update_done); + __ bind(next_test); + } +} + +void LIR_Assembler::emit_typecheck_helper(LIR_OpTypeCheck *op, Label* success, Label* failure, Label* obj_is_null) { + // we always need a stub for the failure case. + CodeStub* stub = op->stub(); + Register obj = op->object()->as_register(); + Register k_RInfo = op->tmp1()->as_register(); + Register klass_RInfo = op->tmp2()->as_register(); + Register dst = op->result_opr()->as_register(); + ciKlass* k = op->klass(); + Register Rtmp1 = noreg; + + // check if it needs to be profiled + ciMethodData* md; + ciProfileData* data; + + if (op->should_profile()) { + ciMethod* method = op->profiled_method(); + assert(method != NULL, "Should have method"); + int bci = op->profiled_bci(); + md = method->method_data(); + if (md == NULL) { + bailout("out of memory building methodDataOop"); + return; + } + data = md->bci_to_data(bci); + assert(data != NULL, "need data for type check"); + assert(data->is_ReceiverTypeData(), "need ReceiverTypeData for type check"); + } + Label profile_cast_success, profile_cast_failure; + Label *success_target = op->should_profile() ? &profile_cast_success : success; + Label *failure_target = op->should_profile() ? &profile_cast_failure : failure; + + if (obj == k_RInfo) { + k_RInfo = dst; + } else if (obj == klass_RInfo) { + klass_RInfo = dst; + } + if (k->is_loaded()) { + select_different_registers(obj, dst, k_RInfo, klass_RInfo); + } else { + Rtmp1 = op->tmp3()->as_register(); + select_different_registers(obj, dst, k_RInfo, klass_RInfo, Rtmp1); + } + + assert_different_registers(obj, k_RInfo, klass_RInfo); + if (!k->is_loaded()) { + jobject2reg_with_patching(k_RInfo, op->info_for_patch()); + } else { +#ifdef _LP64 + __ movoop(k_RInfo, k->constant_encoding()); +#endif // _LP64 + } + assert(obj != k_RInfo, "must be different"); + + __ cmpptr(obj, (int32_t)NULL_WORD); + if (op->should_profile()) { + Label not_null; + __ jccb(Assembler::notEqual, not_null); + // Object is null; update MDO and exit + Register mdo = klass_RInfo; + __ movoop(mdo, md->constant_encoding()); + Address data_addr(mdo, md->byte_offset_of_slot(data, DataLayout::header_offset())); + int header_bits = DataLayout::flag_mask_to_header_mask(BitData::null_seen_byte_constant()); + __ orl(data_addr, header_bits); + __ jmp(*obj_is_null); + __ bind(not_null); + } else { + __ jcc(Assembler::equal, *obj_is_null); + } + __ verify_oop(obj); + + if (op->fast_check()) { + // get object class + // not a safepoint as obj null check happens earlier + if (k->is_loaded()) { +#ifdef _LP64 + __ cmpptr(k_RInfo, Address(obj, oopDesc::klass_offset_in_bytes())); +#else + __ cmpoop(Address(obj, oopDesc::klass_offset_in_bytes()), k->constant_encoding()); +#endif // _LP64 + } else { + __ cmpptr(k_RInfo, Address(obj, oopDesc::klass_offset_in_bytes())); + } + __ jcc(Assembler::notEqual, *failure_target); + // successful cast, fall through to profile or jump + } else { + // get object class + // not a safepoint as obj null check happens earlier + __ movptr(klass_RInfo, Address(obj, oopDesc::klass_offset_in_bytes())); + if (k->is_loaded()) { + // See if we get an immediate positive hit +#ifdef _LP64 + __ cmpptr(k_RInfo, Address(klass_RInfo, k->super_check_offset())); +#else + __ cmpoop(Address(klass_RInfo, k->super_check_offset()), k->constant_encoding()); +#endif // _LP64 + if (sizeof(oopDesc) + Klass::secondary_super_cache_offset_in_bytes() != k->super_check_offset()) { + __ jcc(Assembler::notEqual, *failure_target); + // successful cast, fall through to profile or jump + } else { + // See if we get an immediate positive hit + __ jcc(Assembler::equal, *success_target); + // check for self +#ifdef _LP64 + __ cmpptr(klass_RInfo, k_RInfo); +#else + __ cmpoop(klass_RInfo, k->constant_encoding()); +#endif // _LP64 + __ jcc(Assembler::equal, *success_target); + + __ push(klass_RInfo); +#ifdef _LP64 + __ push(k_RInfo); +#else + __ pushoop(k->constant_encoding()); +#endif // _LP64 + __ call(RuntimeAddress(Runtime1::entry_for(Runtime1::slow_subtype_check_id))); + __ pop(klass_RInfo); + __ pop(klass_RInfo); + // result is a boolean + __ cmpl(klass_RInfo, 0); + __ jcc(Assembler::equal, *failure_target); + // successful cast, fall through to profile or jump + } + } else { + // perform the fast part of the checking logic + __ check_klass_subtype_fast_path(klass_RInfo, k_RInfo, Rtmp1, success_target, failure_target, NULL); + // call out-of-line instance of __ check_klass_subtype_slow_path(...): + __ push(klass_RInfo); + __ push(k_RInfo); + __ call(RuntimeAddress(Runtime1::entry_for(Runtime1::slow_subtype_check_id))); + __ pop(klass_RInfo); + __ pop(k_RInfo); + // result is a boolean + __ cmpl(k_RInfo, 0); + __ jcc(Assembler::equal, *failure_target); + // successful cast, fall through to profile or jump + } + } + if (op->should_profile()) { + Register mdo = klass_RInfo, recv = k_RInfo; + __ bind(profile_cast_success); + __ movoop(mdo, md->constant_encoding()); + __ movptr(recv, Address(obj, oopDesc::klass_offset_in_bytes())); + Label update_done; + type_profile_helper(mdo, md, data, recv, success); + __ jmp(*success); + + __ bind(profile_cast_failure); + __ movoop(mdo, md->constant_encoding()); + Address counter_addr(mdo, md->byte_offset_of_slot(data, CounterData::count_offset())); + __ subptr(counter_addr, DataLayout::counter_increment); + __ jmp(*failure); + } + __ jmp(*success); +} void LIR_Assembler::emit_opTypeCheck(LIR_OpTypeCheck* op) { @@ -1625,9 +1808,44 @@ Register Rtmp1 = op->tmp3()->as_register(); CodeStub* stub = op->stub(); - Label done; + + // check if it needs to be profiled + ciMethodData* md; + ciProfileData* data; + + if (op->should_profile()) { + ciMethod* method = op->profiled_method(); + assert(method != NULL, "Should have method"); + int bci = op->profiled_bci(); + md = method->method_data(); + if (md == NULL) { + bailout("out of memory building methodDataOop"); + return; + } + data = md->bci_to_data(bci); + assert(data != NULL, "need data for type check"); + assert(data->is_ReceiverTypeData(), "need ReceiverTypeData for type check"); + } + Label profile_cast_success, profile_cast_failure, done; + Label *success_target = op->should_profile() ? &profile_cast_success : &done; + Label *failure_target = op->should_profile() ? &profile_cast_failure : stub->entry(); + __ cmpptr(value, (int32_t)NULL_WORD); - __ jcc(Assembler::equal, done); + if (op->should_profile()) { + Label not_null; + __ jccb(Assembler::notEqual, not_null); + // Object is null; update MDO and exit + Register mdo = klass_RInfo; + __ movoop(mdo, md->constant_encoding()); + Address data_addr(mdo, md->byte_offset_of_slot(data, DataLayout::header_offset())); + int header_bits = DataLayout::flag_mask_to_header_mask(BitData::null_seen_byte_constant()); + __ orl(data_addr, header_bits); + __ jmp(done); + __ bind(not_null); + } else { + __ jcc(Assembler::equal, done); + } + add_debug_info_for_null_check_here(op->info_for_exception()); __ movptr(k_RInfo, Address(array, oopDesc::klass_offset_in_bytes())); __ movptr(klass_RInfo, Address(value, oopDesc::klass_offset_in_bytes())); @@ -1635,7 +1853,7 @@ // get instance klass __ movptr(k_RInfo, Address(k_RInfo, objArrayKlass::element_klass_offset_in_bytes() + sizeof(oopDesc))); // perform the fast part of the checking logic - __ check_klass_subtype_fast_path(klass_RInfo, k_RInfo, Rtmp1, &done, stub->entry(), NULL); + __ check_klass_subtype_fast_path(klass_RInfo, k_RInfo, Rtmp1, success_target, failure_target, NULL); // call out-of-line instance of __ check_klass_subtype_slow_path(...): __ push(klass_RInfo); __ push(k_RInfo); @@ -1644,229 +1862,52 @@ __ pop(k_RInfo); // result is a boolean __ cmpl(k_RInfo, 0); - __ jcc(Assembler::equal, *stub->entry()); - __ bind(done); - } else if (op->code() == lir_checkcast) { - // we always need a stub for the failure case. - CodeStub* stub = op->stub(); - Register obj = op->object()->as_register(); - Register k_RInfo = op->tmp1()->as_register(); - Register klass_RInfo = op->tmp2()->as_register(); - Register dst = op->result_opr()->as_register(); - ciKlass* k = op->klass(); - Register Rtmp1 = noreg; - - Label done; - if (obj == k_RInfo) { - k_RInfo = dst; - } else if (obj == klass_RInfo) { - klass_RInfo = dst; - } - if (k->is_loaded()) { - select_different_registers(obj, dst, k_RInfo, klass_RInfo); - } else { - Rtmp1 = op->tmp3()->as_register(); - select_different_registers(obj, dst, k_RInfo, klass_RInfo, Rtmp1); - } - - assert_different_registers(obj, k_RInfo, klass_RInfo); - if (!k->is_loaded()) { - jobject2reg_with_patching(k_RInfo, op->info_for_patch()); - } else { -#ifdef _LP64 - __ movoop(k_RInfo, k->constant_encoding()); -#else - k_RInfo = noreg; -#endif // _LP64 - } - assert(obj != k_RInfo, "must be different"); - __ cmpptr(obj, (int32_t)NULL_WORD); - if (op->profiled_method() != NULL) { - ciMethod* method = op->profiled_method(); - int bci = op->profiled_bci(); - - Label profile_done; - __ jcc(Assembler::notEqual, profile_done); - // Object is null; update methodDataOop - ciMethodData* md = method->method_data(); - if (md == NULL) { - bailout("out of memory building methodDataOop"); - return; - } - ciProfileData* data = md->bci_to_data(bci); - assert(data != NULL, "need data for checkcast"); - assert(data->is_BitData(), "need BitData for checkcast"); - Register mdo = klass_RInfo; + __ jcc(Assembler::equal, *failure_target); + // fall through to the success case + + if (op->should_profile()) { + Register mdo = klass_RInfo, recv = k_RInfo; + __ bind(profile_cast_success); + __ movoop(mdo, md->constant_encoding()); + __ movptr(recv, Address(value, oopDesc::klass_offset_in_bytes())); + Label update_done; + type_profile_helper(mdo, md, data, recv, &done); + __ jmpb(done); + + __ bind(profile_cast_failure); __ movoop(mdo, md->constant_encoding()); - Address data_addr(mdo, md->byte_offset_of_slot(data, DataLayout::header_offset())); - int header_bits = DataLayout::flag_mask_to_header_mask(BitData::null_seen_byte_constant()); - __ orl(data_addr, header_bits); - __ jmp(done); - __ bind(profile_done); - } else { - __ jcc(Assembler::equal, done); + Address counter_addr(mdo, md->byte_offset_of_slot(data, CounterData::count_offset())); + __ subptr(counter_addr, DataLayout::counter_increment); + __ jmp(*stub->entry()); } - __ verify_oop(obj); - - if (op->fast_check()) { - // get object classo - // not a safepoint as obj null check happens earlier - if (k->is_loaded()) { -#ifdef _LP64 - __ cmpptr(k_RInfo, Address(obj, oopDesc::klass_offset_in_bytes())); -#else - __ cmpoop(Address(obj, oopDesc::klass_offset_in_bytes()), k->constant_encoding()); -#endif // _LP64 - } else { - __ cmpptr(k_RInfo, Address(obj, oopDesc::klass_offset_in_bytes())); - + + __ bind(done); + } else + if (code == lir_checkcast) { + Register obj = op->object()->as_register(); + Register dst = op->result_opr()->as_register(); + Label success; + emit_typecheck_helper(op, &success, op->stub()->entry(), &success); + __ bind(success); + if (dst != obj) { + __ mov(dst, obj); } - __ jcc(Assembler::notEqual, *stub->entry()); - __ bind(done); - } else { - // get object class - // not a safepoint as obj null check happens earlier - __ movptr(klass_RInfo, Address(obj, oopDesc::klass_offset_in_bytes())); - if (k->is_loaded()) { - // See if we get an immediate positive hit -#ifdef _LP64 - __ cmpptr(k_RInfo, Address(klass_RInfo, k->super_check_offset())); -#else - __ cmpoop(Address(klass_RInfo, k->super_check_offset()), k->constant_encoding()); -#endif // _LP64 - if (sizeof(oopDesc) + Klass::secondary_super_cache_offset_in_bytes() != k->super_check_offset()) { - __ jcc(Assembler::notEqual, *stub->entry()); - } else { - // See if we get an immediate positive hit - __ jcc(Assembler::equal, done); - // check for self -#ifdef _LP64 - __ cmpptr(klass_RInfo, k_RInfo); -#else - __ cmpoop(klass_RInfo, k->constant_encoding()); -#endif // _LP64 - __ jcc(Assembler::equal, done); - - __ push(klass_RInfo); -#ifdef _LP64 - __ push(k_RInfo); -#else - __ pushoop(k->constant_encoding()); -#endif // _LP64 - __ call(RuntimeAddress(Runtime1::entry_for(Runtime1::slow_subtype_check_id))); - __ pop(klass_RInfo); - __ pop(klass_RInfo); - // result is a boolean - __ cmpl(klass_RInfo, 0); - __ jcc(Assembler::equal, *stub->entry()); - } + } else + if (code == lir_instanceof) { + Register obj = op->object()->as_register(); + Register dst = op->result_opr()->as_register(); + Label success, failure, done; + emit_typecheck_helper(op, &success, &failure, &failure); + __ bind(failure); + __ xorptr(dst, dst); + __ jmpb(done); + __ bind(success); + __ movptr(dst, 1); __ bind(done); } else { - // perform the fast part of the checking logic - __ check_klass_subtype_fast_path(klass_RInfo, k_RInfo, Rtmp1, &done, stub->entry(), NULL); - // call out-of-line instance of __ check_klass_subtype_slow_path(...): - __ push(klass_RInfo); - __ push(k_RInfo); - __ call(RuntimeAddress(Runtime1::entry_for(Runtime1::slow_subtype_check_id))); - __ pop(klass_RInfo); - __ pop(k_RInfo); - // result is a boolean - __ cmpl(k_RInfo, 0); - __ jcc(Assembler::equal, *stub->entry()); - __ bind(done); + ShouldNotReachHere(); } - } - if (dst != obj) { - __ mov(dst, obj); - } - } else if (code == lir_instanceof) { - Register obj = op->object()->as_register(); - Register k_RInfo = op->tmp1()->as_register(); - Register klass_RInfo = op->tmp2()->as_register(); - Register dst = op->result_opr()->as_register(); - ciKlass* k = op->klass(); - - Label done; - Label zero; - Label one; - if (obj == k_RInfo) { - k_RInfo = klass_RInfo; - klass_RInfo = obj; - } - // patching may screw with our temporaries on sparc, - // so let's do it before loading the class - if (!k->is_loaded()) { - jobject2reg_with_patching(k_RInfo, op->info_for_patch()); - } else { - LP64_ONLY(__ movoop(k_RInfo, k->constant_encoding())); - } - assert(obj != k_RInfo, "must be different"); - - __ verify_oop(obj); - if (op->fast_check()) { - __ cmpptr(obj, (int32_t)NULL_WORD); - __ jcc(Assembler::equal, zero); - // get object class - // not a safepoint as obj null check happens earlier - if (LP64_ONLY(false &&) k->is_loaded()) { - NOT_LP64(__ cmpoop(Address(obj, oopDesc::klass_offset_in_bytes()), k->constant_encoding())); - k_RInfo = noreg; - } else { - __ cmpptr(k_RInfo, Address(obj, oopDesc::klass_offset_in_bytes())); - - } - __ jcc(Assembler::equal, one); - } else { - // get object class - // not a safepoint as obj null check happens earlier - __ cmpptr(obj, (int32_t)NULL_WORD); - __ jcc(Assembler::equal, zero); - __ movptr(klass_RInfo, Address(obj, oopDesc::klass_offset_in_bytes())); - -#ifndef _LP64 - if (k->is_loaded()) { - // See if we get an immediate positive hit - __ cmpoop(Address(klass_RInfo, k->super_check_offset()), k->constant_encoding()); - __ jcc(Assembler::equal, one); - if (sizeof(oopDesc) + Klass::secondary_super_cache_offset_in_bytes() == k->super_check_offset()) { - // check for self - __ cmpoop(klass_RInfo, k->constant_encoding()); - __ jcc(Assembler::equal, one); - __ push(klass_RInfo); - __ pushoop(k->constant_encoding()); - __ call(RuntimeAddress(Runtime1::entry_for(Runtime1::slow_subtype_check_id))); - __ pop(klass_RInfo); - __ pop(dst); - __ jmp(done); - } - } - else // next block is unconditional if LP64: -#endif // LP64 - { - assert(dst != klass_RInfo && dst != k_RInfo, "need 3 registers"); - - // perform the fast part of the checking logic - __ check_klass_subtype_fast_path(klass_RInfo, k_RInfo, dst, &one, &zero, NULL); - // call out-of-line instance of __ check_klass_subtype_slow_path(...): - __ push(klass_RInfo); - __ push(k_RInfo); - __ call(RuntimeAddress(Runtime1::entry_for(Runtime1::slow_subtype_check_id))); - __ pop(klass_RInfo); - __ pop(dst); - __ jmp(done); - } - } - __ bind(zero); - __ xorptr(dst, dst); - __ jmp(done); - __ bind(one); - __ movptr(dst, 1); - __ bind(done); - } else { - ShouldNotReachHere(); - } - } @@ -1922,7 +1963,6 @@ } } - void LIR_Assembler::cmove(LIR_Condition condition, LIR_Opr opr1, LIR_Opr opr2, LIR_Opr result) { Assembler::Condition acond, ncond; switch (condition) { @@ -2014,11 +2054,11 @@ jint c = right->as_constant_ptr()->as_jint(); switch (code) { case lir_add: { - __ increment(lreg, c); + __ incrementl(lreg, c); break; } case lir_sub: { - __ decrement(lreg, c); + __ decrementl(lreg, c); break; } default: ShouldNotReachHere(); @@ -3253,13 +3293,13 @@ // Perform additional virtual call profiling for invokevirtual and // invokeinterface bytecodes if ((bc == Bytecodes::_invokevirtual || bc == Bytecodes::_invokeinterface) && - Tier1ProfileVirtualCalls) { + C1ProfileVirtualCalls) { assert(op->recv()->is_single_cpu(), "recv must be allocated"); Register recv = op->recv()->as_register(); assert_different_registers(mdo, recv); assert(data->is_VirtualCallData(), "need VirtualCallData for virtual calls"); ciKlass* known_klass = op->known_holder(); - if (Tier1OptimizeVirtualCallProfiling && known_klass != NULL) { + if (C1OptimizeVirtualCallProfiling && known_klass != NULL) { // We know the type that will be seen at this call site; we can // statically update the methodDataOop rather than needing to do // dynamic tests on the receiver type @@ -3272,7 +3312,7 @@ ciKlass* receiver = vc_data->receiver(i); if (known_klass->equals(receiver)) { Address data_addr(mdo, md->byte_offset_of_slot(data, VirtualCallData::receiver_count_offset(i))); - __ addl(data_addr, DataLayout::counter_increment); + __ addptr(data_addr, DataLayout::counter_increment); return; } } @@ -3288,49 +3328,26 @@ Address recv_addr(mdo, md->byte_offset_of_slot(data, VirtualCallData::receiver_offset(i))); __ movoop(recv_addr, known_klass->constant_encoding()); Address data_addr(mdo, md->byte_offset_of_slot(data, VirtualCallData::receiver_count_offset(i))); - __ addl(data_addr, DataLayout::counter_increment); + __ addptr(data_addr, DataLayout::counter_increment); return; } } } else { __ movptr(recv, Address(recv, oopDesc::klass_offset_in_bytes())); Label update_done; - uint i; - for (i = 0; i < VirtualCallData::row_limit(); i++) { - Label next_test; - // See if the receiver is receiver[n]. - __ cmpptr(recv, Address(mdo, md->byte_offset_of_slot(data, VirtualCallData::receiver_offset(i)))); - __ jcc(Assembler::notEqual, next_test); - Address data_addr(mdo, md->byte_offset_of_slot(data, VirtualCallData::receiver_count_offset(i))); - __ addl(data_addr, DataLayout::counter_increment); - __ jmp(update_done); - __ bind(next_test); - } - - // Didn't find receiver; find next empty slot and fill it in - for (i = 0; i < VirtualCallData::row_limit(); i++) { - Label next_test; - Address recv_addr(mdo, md->byte_offset_of_slot(data, VirtualCallData::receiver_offset(i))); - __ cmpptr(recv_addr, (int32_t)NULL_WORD); - __ jcc(Assembler::notEqual, next_test); - __ movptr(recv_addr, recv); - __ movl(Address(mdo, md->byte_offset_of_slot(data, VirtualCallData::receiver_count_offset(i))), DataLayout::counter_increment); - __ jmp(update_done); - __ bind(next_test); - } + type_profile_helper(mdo, md, data, recv, &update_done); // Receiver did not match any saved receiver and there is no empty row for it. // Increment total counter to indicate polymorphic case. - __ addl(counter_addr, DataLayout::counter_increment); + __ addptr(counter_addr, DataLayout::counter_increment); __ bind(update_done); } } else { // Static call - __ addl(counter_addr, DataLayout::counter_increment); + __ addptr(counter_addr, DataLayout::counter_increment); } } - void LIR_Assembler::emit_delay(LIR_OpDelay*) { Unimplemented(); } diff -r 2966dab85b3e -r a25394352030 src/cpu/x86/vm/c1_LIRAssembler_x86.hpp --- a/src/cpu/x86/vm/c1_LIRAssembler_x86.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/cpu/x86/vm/c1_LIRAssembler_x86.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -42,7 +42,10 @@ // method. Address as_Address(LIR_Address* addr, Register tmp); - + // Record the type of the receiver in ReceiverTypeData + void type_profile_helper(Register mdo, + ciMethodData *md, ciProfileData *data, + Register recv, Label* update_done); public: void store_parameter(Register r, int offset_from_esp_in_words); diff -r 2966dab85b3e -r a25394352030 src/cpu/x86/vm/c1_LIRGenerator_x86.cpp --- a/src/cpu/x86/vm/c1_LIRGenerator_x86.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/cpu/x86/vm/c1_LIRGenerator_x86.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2005, 2009, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -182,10 +182,22 @@ } -void LIRGenerator::increment_counter(address counter, int step) { +LIR_Opr LIRGenerator::load_immediate(int x, BasicType type) { + LIR_Opr r; + if (type == T_LONG) { + r = LIR_OprFact::longConst(x); + } else if (type == T_INT) { + r = LIR_OprFact::intConst(x); + } else { + ShouldNotReachHere(); + } + return r; +} + +void LIRGenerator::increment_counter(address counter, BasicType type, int step) { LIR_Opr pointer = new_pointer_register(); __ move(LIR_OprFact::intptrConst(counter), pointer); - LIR_Address* addr = new LIR_Address(pointer, T_INT); + LIR_Address* addr = new LIR_Address(pointer, type); increment_counter(addr, step); } @@ -194,7 +206,6 @@ __ add((LIR_Opr)addr, LIR_OprFact::intConst(step), (LIR_Opr)addr); } - void LIRGenerator::cmp_mem_int(LIR_Condition condition, LIR_Opr base, int disp, int c, CodeEmitInfo* info) { __ cmp_mem_int(condition, base, disp, c, info); } @@ -1145,10 +1156,10 @@ patching_info = state_for(x, x->state_before()); } obj.load_item(); - LIR_Opr tmp = new_register(objectType); __ instanceof(reg, obj.result(), x->klass(), - tmp, new_register(objectType), LIR_OprFact::illegalOpr, - x->direct_compare(), patching_info); + new_register(objectType), new_register(objectType), + !x->klass()->is_loaded() ? new_register(objectType) : LIR_OprFact::illegalOpr, + x->direct_compare(), patching_info, x->profiled_method(), x->profiled_bci()); } @@ -1188,8 +1199,7 @@ // add safepoint before generating condition code so it can be recomputed if (x->is_safepoint()) { // increment backedge counter if needed - increment_backedge_counter(state_for(x, x->state_before())); - + increment_backedge_counter(state_for(x, x->state_before()), x->profiled_bci()); __ safepoint(LIR_OprFact::illegalOpr, state_for(x, x->state_before())); } set_no_result(x); @@ -1197,6 +1207,7 @@ LIR_Opr left = xin->result(); LIR_Opr right = yin->result(); __ cmp(lir_cond(cond), left, right); + // Generate branch profiling. Profiling code doesn't kill flags. profile_branch(x, cond); move_to_phi(x->state()); if (x->x()->type()->is_float_kind()) { diff -r 2966dab85b3e -r a25394352030 src/cpu/x86/vm/c1_Runtime1_x86.cpp --- a/src/cpu/x86/vm/c1_Runtime1_x86.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/cpu/x86/vm/c1_Runtime1_x86.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -1068,15 +1068,16 @@ break; -#ifdef TIERED case counter_overflow_id: { - Register bci = rax; + Register bci = rax, method = rbx; __ enter(); - OopMap* map = save_live_registers(sasm, 2); + OopMap* map = save_live_registers(sasm, 3); // Retrieve bci __ movl(bci, Address(rbp, 2*BytesPerWord)); - int call_offset = __ call_RT(noreg, noreg, CAST_FROM_FN_PTR(address, counter_overflow), bci); + // And a pointer to the methodOop + __ movptr(method, Address(rbp, 3*BytesPerWord)); + int call_offset = __ call_RT(noreg, noreg, CAST_FROM_FN_PTR(address, counter_overflow), bci, method); oop_maps = new OopMapSet(); oop_maps->add_gc_map(call_offset, map); restore_live_registers(sasm); @@ -1084,7 +1085,6 @@ __ ret(0); } break; -#endif // TIERED case new_type_array_id: case new_object_array_id: diff -r 2966dab85b3e -r a25394352030 src/cpu/x86/vm/c1_globals_x86.hpp --- a/src/cpu/x86/vm/c1_globals_x86.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/cpu/x86/vm/c1_globals_x86.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000, 2007, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -35,14 +35,7 @@ define_pd_global(bool, UseOnStackReplacement, true ); define_pd_global(bool, TieredCompilation, false); define_pd_global(intx, CompileThreshold, 1500 ); -define_pd_global(intx, Tier2CompileThreshold, 1500 ); -define_pd_global(intx, Tier3CompileThreshold, 2500 ); -define_pd_global(intx, Tier4CompileThreshold, 4500 ); - define_pd_global(intx, BackEdgeThreshold, 100000); -define_pd_global(intx, Tier2BackEdgeThreshold, 100000); -define_pd_global(intx, Tier3BackEdgeThreshold, 100000); -define_pd_global(intx, Tier4BackEdgeThreshold, 100000); define_pd_global(intx, OnStackReplacePercentage, 933 ); define_pd_global(intx, FreqInlineSize, 325 ); diff -r 2966dab85b3e -r a25394352030 src/cpu/x86/vm/c2_globals_x86.hpp --- a/src/cpu/x86/vm/c2_globals_x86.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/cpu/x86/vm/c2_globals_x86.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000, 2007, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -39,19 +39,8 @@ define_pd_global(bool, ProfileInterpreter, true); #endif // CC_INTERP define_pd_global(bool, TieredCompilation, false); -#ifdef TIERED -define_pd_global(intx, CompileThreshold, 1000); -#else define_pd_global(intx, CompileThreshold, 10000); -#endif // TIERED -define_pd_global(intx, Tier2CompileThreshold, 10000); -define_pd_global(intx, Tier3CompileThreshold, 20000); -define_pd_global(intx, Tier4CompileThreshold, 40000); - define_pd_global(intx, BackEdgeThreshold, 100000); -define_pd_global(intx, Tier2BackEdgeThreshold, 100000); -define_pd_global(intx, Tier3BackEdgeThreshold, 100000); -define_pd_global(intx, Tier4BackEdgeThreshold, 100000); define_pd_global(intx, OnStackReplacePercentage, 140); define_pd_global(intx, ConditionalMoveLimit, 3); diff -r 2966dab85b3e -r a25394352030 src/cpu/x86/vm/interp_masm_x86_32.cpp --- a/src/cpu/x86/vm/interp_masm_x86_32.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/cpu/x86/vm/interp_masm_x86_32.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -1397,3 +1397,17 @@ NOT_CC_INTERP(pop(state)); } } + +// Jump if ((*counter_addr += increment) & mask) satisfies the condition. +void InterpreterMacroAssembler::increment_mask_and_jump(Address counter_addr, + int increment, int mask, + Register scratch, bool preloaded, + Condition cond, Label* where) { + if (!preloaded) { + movl(scratch, counter_addr); + } + incrementl(scratch, increment); + movl(counter_addr, scratch); + andl(scratch, mask); + jcc(cond, *where); +} diff -r 2966dab85b3e -r a25394352030 src/cpu/x86/vm/interp_masm_x86_32.hpp --- a/src/cpu/x86/vm/interp_masm_x86_32.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/cpu/x86/vm/interp_masm_x86_32.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -185,6 +185,10 @@ bool decrement = false); void increment_mdp_data_at(Register mdp_in, Register reg, int constant, bool decrement = false); + void increment_mask_and_jump(Address counter_addr, + int increment, int mask, + Register scratch, bool preloaded, + Condition cond, Label* where); void set_mdp_flag_at(Register mdp_in, int flag_constant); void test_mdp_data_at(Register mdp_in, int offset, Register value, Register test_value_out, diff -r 2966dab85b3e -r a25394352030 src/cpu/x86/vm/interp_masm_x86_64.cpp --- a/src/cpu/x86/vm/interp_masm_x86_64.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/cpu/x86/vm/interp_masm_x86_64.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -1480,3 +1480,17 @@ NOT_CC_INTERP(pop(state)); } } + +// Jump if ((*counter_addr += increment) & mask) satisfies the condition. +void InterpreterMacroAssembler::increment_mask_and_jump(Address counter_addr, + int increment, int mask, + Register scratch, bool preloaded, + Condition cond, Label* where) { + if (!preloaded) { + movl(scratch, counter_addr); + } + incrementl(scratch, increment); + movl(counter_addr, scratch); + andl(scratch, mask); + jcc(cond, *where); +} diff -r 2966dab85b3e -r a25394352030 src/cpu/x86/vm/interp_masm_x86_64.hpp --- a/src/cpu/x86/vm/interp_masm_x86_64.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/cpu/x86/vm/interp_masm_x86_64.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -194,6 +194,10 @@ bool decrement = false); void increment_mdp_data_at(Register mdp_in, Register reg, int constant, bool decrement = false); + void increment_mask_and_jump(Address counter_addr, + int increment, int mask, + Register scratch, bool preloaded, + Condition cond, Label* where); void set_mdp_flag_at(Register mdp_in, int flag_constant); void test_mdp_data_at(Register mdp_in, int offset, Register value, Register test_value_out, diff -r 2966dab85b3e -r a25394352030 src/cpu/x86/vm/methodHandles_x86.cpp --- a/src/cpu/x86/vm/methodHandles_x86.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/cpu/x86/vm/methodHandles_x86.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -27,6 +27,14 @@ #define __ _masm-> +#ifdef PRODUCT +#define BLOCK_COMMENT(str) /* nothing */ +#else +#define BLOCK_COMMENT(str) __ block_comment(str) +#endif + +#define BIND(label) bind(label); BLOCK_COMMENT(#label ":") + address MethodHandleEntry::start_compiled_entry(MacroAssembler* _masm, address interpreted_entry) { // Just before the actual machine code entry point, allocate space @@ -64,6 +72,7 @@ const char* error_message) { // Verify that argslot lies within (rsp, rbp]. Label L_ok, L_bad; + BLOCK_COMMENT("{ verify_argslot"); __ cmpptr(argslot_reg, rbp); __ jccb(Assembler::above, L_bad); __ cmpptr(rsp, argslot_reg); @@ -71,6 +80,7 @@ __ bind(L_bad); __ stop(error_message); __ bind(L_ok); + BLOCK_COMMENT("} verify_argslot"); } #endif @@ -80,16 +90,21 @@ // rbx: methodOop // rcx: receiver method handle (must load from sp[MethodTypeForm.vmslots]) // rsi/r13: sender SP (must preserve; see prepare_to_jump_from_interpreted) - // rdx: garbage temp, blown away + // rdx, rdi: garbage temp, blown away Register rbx_method = rbx; Register rcx_recv = rcx; Register rax_mtype = rax; Register rdx_temp = rdx; + Register rdi_temp = rdi; // emit WrongMethodType path first, to enable jccb back-branch from main path Label wrong_method_type; __ bind(wrong_method_type); + Label invoke_generic_slow_path; + assert(methodOopDesc::intrinsic_id_size_in_bytes() == sizeof(u1), "");; + __ cmpb(Address(rbx_method, methodOopDesc::intrinsic_id_offset_in_bytes()), (int) vmIntrinsics::_invokeExact); + __ jcc(Assembler::notEqual, invoke_generic_slow_path); __ push(rax_mtype); // required mtype __ push(rcx_recv); // bad mh (1st stacked argument) __ jump(ExternalAddress(Interpreter::throw_WrongMethodType_entry())); @@ -106,17 +121,68 @@ tem = rax_mtype; // in case there is another indirection } } - Register rbx_temp = rbx_method; // done with incoming methodOop // given the MethodType, find out where the MH argument is buried __ movptr(rdx_temp, Address(rax_mtype, - __ delayed_value(java_dyn_MethodType::form_offset_in_bytes, rbx_temp))); - __ movl(rdx_temp, Address(rdx_temp, - __ delayed_value(java_dyn_MethodTypeForm::vmslots_offset_in_bytes, rbx_temp))); - __ movptr(rcx_recv, __ argument_address(rdx_temp)); + __ delayed_value(java_dyn_MethodType::form_offset_in_bytes, rdi_temp))); + Register rdx_vmslots = rdx_temp; + __ movl(rdx_vmslots, Address(rdx_temp, + __ delayed_value(java_dyn_MethodTypeForm::vmslots_offset_in_bytes, rdi_temp))); + __ movptr(rcx_recv, __ argument_address(rdx_vmslots)); + + trace_method_handle(_masm, "invokeExact"); + + __ check_method_handle_type(rax_mtype, rcx_recv, rdi_temp, wrong_method_type); + __ jump_to_method_handle_entry(rcx_recv, rdi_temp); + + // for invokeGeneric (only), apply argument and result conversions on the fly + __ bind(invoke_generic_slow_path); +#ifdef ASSERT + { Label L; + __ cmpb(Address(rbx_method, methodOopDesc::intrinsic_id_offset_in_bytes()), (int) vmIntrinsics::_invokeGeneric); + __ jcc(Assembler::equal, L); + __ stop("bad methodOop::intrinsic_id"); + __ bind(L); + } +#endif //ASSERT + Register rbx_temp = rbx_method; // don't need it now + + // make room on the stack for another pointer: + Register rcx_argslot = rcx_recv; + __ lea(rcx_argslot, __ argument_address(rdx_vmslots, 1)); + insert_arg_slots(_masm, 2 * stack_move_unit(), _INSERT_REF_MASK, + rcx_argslot, rbx_temp, rdx_temp); - __ check_method_handle_type(rax_mtype, rcx_recv, rdx_temp, wrong_method_type); - __ jump_to_method_handle_entry(rcx_recv, rdx_temp); + // load up an adapter from the calling type (Java weaves this) + __ movptr(rdx_temp, Address(rax_mtype, + __ delayed_value(java_dyn_MethodType::form_offset_in_bytes, rdi_temp))); + Register rdx_adapter = rdx_temp; + // movptr(rdx_adapter, Address(rdx_temp, java_dyn_MethodTypeForm::genericInvoker_offset_in_bytes())); + // deal with old JDK versions: + __ lea(rdi_temp, Address(rdx_temp, + __ delayed_value(java_dyn_MethodTypeForm::genericInvoker_offset_in_bytes, rdi_temp))); + __ cmpptr(rdi_temp, rdx_temp); + Label sorry_no_invoke_generic; + __ jccb(Assembler::below, sorry_no_invoke_generic); + + __ movptr(rdx_adapter, Address(rdi_temp, 0)); + __ testptr(rdx_adapter, rdx_adapter); + __ jccb(Assembler::zero, sorry_no_invoke_generic); + __ movptr(Address(rcx_argslot, 1 * Interpreter::stackElementSize), rdx_adapter); + // As a trusted first argument, pass the type being called, so the adapter knows + // the actual types of the arguments and return values. + // (Generic invokers are shared among form-families of method-type.) + __ movptr(Address(rcx_argslot, 0 * Interpreter::stackElementSize), rax_mtype); + // FIXME: assert that rdx_adapter is of the right method-type. + __ mov(rcx, rdx_adapter); + trace_method_handle(_masm, "invokeGeneric"); + __ jump_to_method_handle_entry(rcx, rdi_temp); + + __ bind(sorry_no_invoke_generic); // no invokeGeneric implementation available! + __ movptr(rcx_recv, Address(rcx_argslot, -1 * Interpreter::stackElementSize)); // recover original MH + __ push(rax_mtype); // required mtype + __ push(rcx_recv); // bad mh (1st stacked argument) + __ jump(ExternalAddress(Interpreter::throw_WrongMethodType_entry())); return entry_point; } @@ -164,11 +230,12 @@ // for (rdx = rsp + size; rdx < argslot; rdx++) // rdx[-size] = rdx[0] // argslot -= size; + BLOCK_COMMENT("insert_arg_slots {"); __ mov(rdx_temp, rsp); // source pointer for copy __ lea(rsp, Address(rsp, arg_slots, Address::times_ptr)); { Label loop; - __ bind(loop); + __ BIND(loop); // pull one word down each time through the loop __ movptr(rbx_temp, Address(rdx_temp, 0)); __ movptr(Address(rdx_temp, arg_slots, Address::times_ptr), rbx_temp); @@ -179,6 +246,7 @@ // Now move the argslot down, to point to the opened-up space. __ lea(rax_argslot, Address(rax_argslot, arg_slots, Address::times_ptr)); + BLOCK_COMMENT("} insert_arg_slots"); } // Helper to remove argument slots from the stack. @@ -218,6 +286,7 @@ } #endif + BLOCK_COMMENT("remove_arg_slots {"); // Pull up everything shallower than rax_argslot. // Then remove the excess space on the stack. // The stacked return address gets pulled up with everything else. @@ -229,7 +298,7 @@ __ lea(rdx_temp, Address(rax_argslot, -wordSize)); // source pointer for copy { Label loop; - __ bind(loop); + __ BIND(loop); // pull one word up each time through the loop __ movptr(rbx_temp, Address(rdx_temp, 0)); __ movptr(Address(rdx_temp, arg_slots, Address::times_ptr), rbx_temp); @@ -242,12 +311,14 @@ __ lea(rsp, Address(rsp, arg_slots, Address::times_ptr)); // And adjust the argslot address to point at the deletion point. __ lea(rax_argslot, Address(rax_argslot, arg_slots, Address::times_ptr)); + BLOCK_COMMENT("} remove_arg_slots"); } #ifndef PRODUCT extern "C" void print_method_handle(oop mh); void trace_method_handle_stub(const char* adaptername, oop mh, + intptr_t* saved_regs, intptr_t* entry_sp, intptr_t* saved_sp, intptr_t* saved_bp) { @@ -256,9 +327,47 @@ intptr_t* base_sp = (intptr_t*) saved_bp[frame::interpreter_frame_monitor_block_top_offset]; printf("MH %s mh="INTPTR_FORMAT" sp=("INTPTR_FORMAT"+"INTX_FORMAT") stack_size="INTX_FORMAT" bp="INTPTR_FORMAT"\n", adaptername, (intptr_t)mh, (intptr_t)entry_sp, (intptr_t)(saved_sp - entry_sp), (intptr_t)(base_sp - last_sp), (intptr_t)saved_bp); - if (last_sp != saved_sp) + if (last_sp != saved_sp && last_sp != NULL) printf("*** last_sp="INTPTR_FORMAT"\n", (intptr_t)last_sp); - if (Verbose) print_method_handle(mh); + if (Verbose) { + printf(" reg dump: "); + int saved_regs_count = (entry_sp-1) - saved_regs; + // 32 bit: rdi rsi rbp rsp; rbx rdx rcx (*) rax + int i; + for (i = 0; i <= saved_regs_count; i++) { + if (i > 0 && i % 4 == 0 && i != saved_regs_count) + printf("\n + dump: "); + printf(" %d: "INTPTR_FORMAT, i, saved_regs[i]); + } + printf("\n"); + int stack_dump_count = 16; + if (stack_dump_count < (int)(saved_bp + 2 - saved_sp)) + stack_dump_count = (int)(saved_bp + 2 - saved_sp); + if (stack_dump_count > 64) stack_dump_count = 48; + for (i = 0; i < stack_dump_count; i += 4) { + printf(" dump at SP[%d] "INTPTR_FORMAT": "INTPTR_FORMAT" "INTPTR_FORMAT" "INTPTR_FORMAT" "INTPTR_FORMAT"\n", + i, &entry_sp[i+0], entry_sp[i+0], entry_sp[i+1], entry_sp[i+2], entry_sp[i+3]); + } + print_method_handle(mh); + } +} +void MethodHandles::trace_method_handle(MacroAssembler* _masm, const char* adaptername) { + if (!TraceMethodHandles) return; + BLOCK_COMMENT("trace_method_handle {"); + __ push(rax); + __ lea(rax, Address(rsp, wordSize*6)); // entry_sp + __ pusha(); + // arguments: + __ push(rbp); // interpreter frame pointer + __ push(rsi); // saved_sp + __ push(rax); // entry_sp + __ push(rcx); // mh + __ push(rcx); + __ movptr(Address(rsp, 0), (intptr_t) adaptername); + __ call_VM_leaf(CAST_FROM_FN_PTR(address, trace_method_handle_stub), 5); + __ popa(); + __ pop(rax); + BLOCK_COMMENT("} trace_method_handle"); } #endif //PRODUCT @@ -324,21 +433,9 @@ address interp_entry = __ pc(); if (UseCompressedOops) __ unimplemented("UseCompressedOops"); -#ifndef PRODUCT - if (TraceMethodHandles) { - __ push(rax); __ push(rbx); __ push(rcx); __ push(rdx); __ push(rsi); __ push(rdi); - __ lea(rax, Address(rsp, wordSize*6)); // entry_sp - // arguments: - __ push(rbp); // interpreter frame pointer - __ push(rsi); // saved_sp - __ push(rax); // entry_sp - __ push(rcx); // mh - __ push(rcx); - __ movptr(Address(rsp, 0), (intptr_t)entry_name(ek)); - __ call_VM_leaf(CAST_FROM_FN_PTR(address, trace_method_handle_stub), 5); - __ pop(rdi); __ pop(rsi); __ pop(rdx); __ pop(rcx); __ pop(rbx); __ pop(rax); - } -#endif //PRODUCT + trace_method_handle(_masm, entry_name(ek)); + + BLOCK_COMMENT(entry_name(ek)); switch ((int) ek) { case _raise_exception: diff -r 2966dab85b3e -r a25394352030 src/cpu/x86/vm/stubRoutines_x86_32.hpp --- a/src/cpu/x86/vm/stubRoutines_x86_32.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/cpu/x86/vm/stubRoutines_x86_32.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -33,7 +33,7 @@ // MethodHandles adapters enum method_handles_platform_dependent_constants { - method_handles_adapters_code_size = 5000 + method_handles_adapters_code_size = 10000 }; class x86 { diff -r 2966dab85b3e -r a25394352030 src/cpu/x86/vm/stubRoutines_x86_64.hpp --- a/src/cpu/x86/vm/stubRoutines_x86_64.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/cpu/x86/vm/stubRoutines_x86_64.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -35,7 +35,7 @@ // MethodHandles adapters enum method_handles_platform_dependent_constants { - method_handles_adapters_code_size = 13000 + method_handles_adapters_code_size = 26000 }; class x86 { diff -r 2966dab85b3e -r a25394352030 src/cpu/x86/vm/templateInterpreter_x86_32.cpp --- a/src/cpu/x86/vm/templateInterpreter_x86_32.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/cpu/x86/vm/templateInterpreter_x86_32.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -359,40 +359,62 @@ // rcx: invocation counter // void InterpreterGenerator::generate_counter_incr(Label* overflow, Label* profile_method, Label* profile_method_continue) { - - const Address invocation_counter(rbx, methodOopDesc::invocation_counter_offset() + InvocationCounter::counter_offset()); - const Address backedge_counter (rbx, methodOopDesc::backedge_counter_offset() + InvocationCounter::counter_offset()); - - if (ProfileInterpreter) { // %%% Merge this into methodDataOop - __ incrementl(Address(rbx,methodOopDesc::interpreter_invocation_counter_offset())); - } - // Update standard invocation counters - __ movl(rax, backedge_counter); // load backedge counter - - __ incrementl(rcx, InvocationCounter::count_increment); - __ andl(rax, InvocationCounter::count_mask_value); // mask out the status bits - - __ movl(invocation_counter, rcx); // save invocation count - __ addl(rcx, rax); // add both counters + const Address invocation_counter(rbx, in_bytes(methodOopDesc::invocation_counter_offset()) + + in_bytes(InvocationCounter::counter_offset())); + // Note: In tiered we increment either counters in methodOop or in MDO depending if we're profiling or not. + if (TieredCompilation) { + int increment = InvocationCounter::count_increment; + int mask = ((1 << Tier0InvokeNotifyFreqLog) - 1) << InvocationCounter::count_shift; + Label no_mdo, done; + if (ProfileInterpreter) { + // Are we profiling? + __ movptr(rax, Address(rbx, methodOopDesc::method_data_offset())); + __ testptr(rax, rax); + __ jccb(Assembler::zero, no_mdo); + // Increment counter in the MDO + const Address mdo_invocation_counter(rax, in_bytes(methodDataOopDesc::invocation_counter_offset()) + + in_bytes(InvocationCounter::counter_offset())); + __ increment_mask_and_jump(mdo_invocation_counter, increment, mask, rcx, false, Assembler::zero, overflow); + __ jmpb(done); + } + __ bind(no_mdo); + // Increment counter in methodOop (we don't need to load it, it's in rcx). + __ increment_mask_and_jump(invocation_counter, increment, mask, rcx, true, Assembler::zero, overflow); + __ bind(done); + } else { + const Address backedge_counter (rbx, methodOopDesc::backedge_counter_offset() + + InvocationCounter::counter_offset()); - // profile_method is non-null only for interpreted method so - // profile_method != NULL == !native_call - // BytecodeInterpreter only calls for native so code is elided. + if (ProfileInterpreter) { // %%% Merge this into methodDataOop + __ incrementl(Address(rbx,methodOopDesc::interpreter_invocation_counter_offset())); + } + // Update standard invocation counters + __ movl(rax, backedge_counter); // load backedge counter + + __ incrementl(rcx, InvocationCounter::count_increment); + __ andl(rax, InvocationCounter::count_mask_value); // mask out the status bits + + __ movl(invocation_counter, rcx); // save invocation count + __ addl(rcx, rax); // add both counters - if (ProfileInterpreter && profile_method != NULL) { - // Test to see if we should create a method data oop + // profile_method is non-null only for interpreted method so + // profile_method != NULL == !native_call + // BytecodeInterpreter only calls for native so code is elided. + + if (ProfileInterpreter && profile_method != NULL) { + // Test to see if we should create a method data oop + __ cmp32(rcx, + ExternalAddress((address)&InvocationCounter::InterpreterProfileLimit)); + __ jcc(Assembler::less, *profile_method_continue); + + // if no method data exists, go to profile_method + __ test_method_data_pointer(rax, *profile_method); + } + __ cmp32(rcx, - ExternalAddress((address)&InvocationCounter::InterpreterProfileLimit)); - __ jcc(Assembler::less, *profile_method_continue); - - // if no method data exists, go to profile_method - __ test_method_data_pointer(rax, *profile_method); + ExternalAddress((address)&InvocationCounter::InterpreterInvocationLimit)); + __ jcc(Assembler::aboveEqual, *overflow); } - - __ cmp32(rcx, - ExternalAddress((address)&InvocationCounter::InterpreterInvocationLimit)); - __ jcc(Assembler::aboveEqual, *overflow); - } void InterpreterGenerator::generate_counter_overflow(Label* do_continue) { diff -r 2966dab85b3e -r a25394352030 src/cpu/x86/vm/templateInterpreter_x86_64.cpp --- a/src/cpu/x86/vm/templateInterpreter_x86_64.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/cpu/x86/vm/templateInterpreter_x86_64.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -310,42 +310,61 @@ Label* overflow, Label* profile_method, Label* profile_method_continue) { - - const Address invocation_counter(rbx, - methodOopDesc::invocation_counter_offset() + + const Address invocation_counter(rbx, in_bytes(methodOopDesc::invocation_counter_offset()) + + in_bytes(InvocationCounter::counter_offset())); + // Note: In tiered we increment either counters in methodOop or in MDO depending if we're profiling or not. + if (TieredCompilation) { + int increment = InvocationCounter::count_increment; + int mask = ((1 << Tier0InvokeNotifyFreqLog) - 1) << InvocationCounter::count_shift; + Label no_mdo, done; + if (ProfileInterpreter) { + // Are we profiling? + __ movptr(rax, Address(rbx, methodOopDesc::method_data_offset())); + __ testptr(rax, rax); + __ jccb(Assembler::zero, no_mdo); + // Increment counter in the MDO + const Address mdo_invocation_counter(rax, in_bytes(methodDataOopDesc::invocation_counter_offset()) + + in_bytes(InvocationCounter::counter_offset())); + __ increment_mask_and_jump(mdo_invocation_counter, increment, mask, rcx, false, Assembler::zero, overflow); + __ jmpb(done); + } + __ bind(no_mdo); + // Increment counter in methodOop (we don't need to load it, it's in ecx). + __ increment_mask_and_jump(invocation_counter, increment, mask, rcx, true, Assembler::zero, overflow); + __ bind(done); + } else { + const Address backedge_counter(rbx, + methodOopDesc::backedge_counter_offset() + InvocationCounter::counter_offset()); - const Address backedge_counter(rbx, - methodOopDesc::backedge_counter_offset() + - InvocationCounter::counter_offset()); - - if (ProfileInterpreter) { // %%% Merge this into methodDataOop - __ incrementl(Address(rbx, - methodOopDesc::interpreter_invocation_counter_offset())); - } - // Update standard invocation counters - __ movl(rax, backedge_counter); // load backedge counter - __ incrementl(rcx, InvocationCounter::count_increment); - __ andl(rax, InvocationCounter::count_mask_value); // mask out the - // status bits + if (ProfileInterpreter) { // %%% Merge this into methodDataOop + __ incrementl(Address(rbx, + methodOopDesc::interpreter_invocation_counter_offset())); + } + // Update standard invocation counters + __ movl(rax, backedge_counter); // load backedge counter - __ movl(invocation_counter, rcx); // save invocation count - __ addl(rcx, rax); // add both counters + __ incrementl(rcx, InvocationCounter::count_increment); + __ andl(rax, InvocationCounter::count_mask_value); // mask out the status bits - // profile_method is non-null only for interpreted method so - // profile_method != NULL == !native_call + __ movl(invocation_counter, rcx); // save invocation count + __ addl(rcx, rax); // add both counters - if (ProfileInterpreter && profile_method != NULL) { - // Test to see if we should create a method data oop - __ cmp32(rcx, ExternalAddress((address)&InvocationCounter::InterpreterProfileLimit)); - __ jcc(Assembler::less, *profile_method_continue); + // profile_method is non-null only for interpreted method so + // profile_method != NULL == !native_call + + if (ProfileInterpreter && profile_method != NULL) { + // Test to see if we should create a method data oop + __ cmp32(rcx, ExternalAddress((address)&InvocationCounter::InterpreterProfileLimit)); + __ jcc(Assembler::less, *profile_method_continue); - // if no method data exists, go to profile_method - __ test_method_data_pointer(rax, *profile_method); + // if no method data exists, go to profile_method + __ test_method_data_pointer(rax, *profile_method); + } + + __ cmp32(rcx, ExternalAddress((address)&InvocationCounter::InterpreterInvocationLimit)); + __ jcc(Assembler::aboveEqual, *overflow); } - - __ cmp32(rcx, ExternalAddress((address)&InvocationCounter::InterpreterInvocationLimit)); - __ jcc(Assembler::aboveEqual, *overflow); } void InterpreterGenerator::generate_counter_overflow(Label* do_continue) { diff -r 2966dab85b3e -r a25394352030 src/cpu/x86/vm/templateTable_x86_32.cpp --- a/src/cpu/x86/vm/templateTable_x86_32.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/cpu/x86/vm/templateTable_x86_32.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -1558,47 +1558,68 @@ __ testl(rdx, rdx); // check if forward or backward branch __ jcc(Assembler::positive, dispatch); // count only if backward branch - // increment counter - __ movl(rax, Address(rcx, be_offset)); // load backedge counter - __ incrementl(rax, InvocationCounter::count_increment); // increment counter - __ movl(Address(rcx, be_offset), rax); // store counter - - __ movl(rax, Address(rcx, inv_offset)); // load invocation counter - __ andl(rax, InvocationCounter::count_mask_value); // and the status bits - __ addl(rax, Address(rcx, be_offset)); // add both counters - - if (ProfileInterpreter) { - // Test to see if we should create a method data oop - __ cmp32(rax, - ExternalAddress((address) &InvocationCounter::InterpreterProfileLimit)); - __ jcc(Assembler::less, dispatch); - - // if no method data exists, go to profile method - __ test_method_data_pointer(rax, profile_method); - - if (UseOnStackReplacement) { - // check for overflow against rbx, which is the MDO taken count - __ cmp32(rbx, - ExternalAddress((address) &InvocationCounter::InterpreterBackwardBranchLimit)); - __ jcc(Assembler::below, dispatch); - - // When ProfileInterpreter is on, the backedge_count comes from the - // methodDataOop, which value does not get reset on the call to - // frequency_counter_overflow(). To avoid excessive calls to the overflow - // routine while the method is being compiled, add a second test to make - // sure the overflow function is called only once every overflow_frequency. - const int overflow_frequency = 1024; - __ andptr(rbx, overflow_frequency-1); - __ jcc(Assembler::zero, backedge_counter_overflow); - + if (TieredCompilation) { + Label no_mdo; + int increment = InvocationCounter::count_increment; + int mask = ((1 << Tier0BackedgeNotifyFreqLog) - 1) << InvocationCounter::count_shift; + if (ProfileInterpreter) { + // Are we profiling? + __ movptr(rbx, Address(rcx, in_bytes(methodOopDesc::method_data_offset()))); + __ testptr(rbx, rbx); + __ jccb(Assembler::zero, no_mdo); + // Increment the MDO backedge counter + const Address mdo_backedge_counter(rbx, in_bytes(methodDataOopDesc::backedge_counter_offset()) + + in_bytes(InvocationCounter::counter_offset())); + __ increment_mask_and_jump(mdo_backedge_counter, increment, mask, + rax, false, Assembler::zero, &backedge_counter_overflow); + __ jmp(dispatch); } + __ bind(no_mdo); + // Increment backedge counter in methodOop + __ increment_mask_and_jump(Address(rcx, be_offset), increment, mask, + rax, false, Assembler::zero, &backedge_counter_overflow); } else { - if (UseOnStackReplacement) { - // check for overflow against rax, which is the sum of the counters + // increment counter + __ movl(rax, Address(rcx, be_offset)); // load backedge counter + __ incrementl(rax, InvocationCounter::count_increment); // increment counter + __ movl(Address(rcx, be_offset), rax); // store counter + + __ movl(rax, Address(rcx, inv_offset)); // load invocation counter + __ andl(rax, InvocationCounter::count_mask_value); // and the status bits + __ addl(rax, Address(rcx, be_offset)); // add both counters + + if (ProfileInterpreter) { + // Test to see if we should create a method data oop __ cmp32(rax, - ExternalAddress((address) &InvocationCounter::InterpreterBackwardBranchLimit)); - __ jcc(Assembler::aboveEqual, backedge_counter_overflow); - + ExternalAddress((address) &InvocationCounter::InterpreterProfileLimit)); + __ jcc(Assembler::less, dispatch); + + // if no method data exists, go to profile method + __ test_method_data_pointer(rax, profile_method); + + if (UseOnStackReplacement) { + // check for overflow against rbx, which is the MDO taken count + __ cmp32(rbx, + ExternalAddress((address) &InvocationCounter::InterpreterBackwardBranchLimit)); + __ jcc(Assembler::below, dispatch); + + // When ProfileInterpreter is on, the backedge_count comes from the + // methodDataOop, which value does not get reset on the call to + // frequency_counter_overflow(). To avoid excessive calls to the overflow + // routine while the method is being compiled, add a second test to make + // sure the overflow function is called only once every overflow_frequency. + const int overflow_frequency = 1024; + __ andptr(rbx, overflow_frequency-1); + __ jcc(Assembler::zero, backedge_counter_overflow); + } + } else { + if (UseOnStackReplacement) { + // check for overflow against rax, which is the sum of the counters + __ cmp32(rax, + ExternalAddress((address) &InvocationCounter::InterpreterBackwardBranchLimit)); + __ jcc(Assembler::aboveEqual, backedge_counter_overflow); + + } } } __ bind(dispatch); diff -r 2966dab85b3e -r a25394352030 src/cpu/x86/vm/templateTable_x86_64.cpp --- a/src/cpu/x86/vm/templateTable_x86_64.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/cpu/x86/vm/templateTable_x86_64.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -1583,51 +1583,71 @@ // r14: locals pointer __ testl(rdx, rdx); // check if forward or backward branch __ jcc(Assembler::positive, dispatch); // count only if backward branch - - // increment counter - __ movl(rax, Address(rcx, be_offset)); // load backedge counter - __ incrementl(rax, InvocationCounter::count_increment); // increment - // counter - __ movl(Address(rcx, be_offset), rax); // store counter - - __ movl(rax, Address(rcx, inv_offset)); // load invocation counter - __ andl(rax, InvocationCounter::count_mask_value); // and the status bits - __ addl(rax, Address(rcx, be_offset)); // add both counters - - if (ProfileInterpreter) { - // Test to see if we should create a method data oop - __ cmp32(rax, - ExternalAddress((address) &InvocationCounter::InterpreterProfileLimit)); - __ jcc(Assembler::less, dispatch); - - // if no method data exists, go to profile method - __ test_method_data_pointer(rax, profile_method); - - if (UseOnStackReplacement) { - // check for overflow against ebx which is the MDO taken count - __ cmp32(rbx, - ExternalAddress((address) &InvocationCounter::InterpreterBackwardBranchLimit)); - __ jcc(Assembler::below, dispatch); - - // When ProfileInterpreter is on, the backedge_count comes - // from the methodDataOop, which value does not get reset on - // the call to frequency_counter_overflow(). To avoid - // excessive calls to the overflow routine while the method is - // being compiled, add a second test to make sure the overflow - // function is called only once every overflow_frequency. - const int overflow_frequency = 1024; - __ andl(rbx, overflow_frequency - 1); - __ jcc(Assembler::zero, backedge_counter_overflow); - + if (TieredCompilation) { + Label no_mdo; + int increment = InvocationCounter::count_increment; + int mask = ((1 << Tier0BackedgeNotifyFreqLog) - 1) << InvocationCounter::count_shift; + if (ProfileInterpreter) { + // Are we profiling? + __ movptr(rbx, Address(rcx, in_bytes(methodOopDesc::method_data_offset()))); + __ testptr(rbx, rbx); + __ jccb(Assembler::zero, no_mdo); + // Increment the MDO backedge counter + const Address mdo_backedge_counter(rbx, in_bytes(methodDataOopDesc::backedge_counter_offset()) + + in_bytes(InvocationCounter::counter_offset())); + __ increment_mask_and_jump(mdo_backedge_counter, increment, mask, + rax, false, Assembler::zero, &backedge_counter_overflow); + __ jmp(dispatch); } + __ bind(no_mdo); + // Increment backedge counter in methodOop + __ increment_mask_and_jump(Address(rcx, be_offset), increment, mask, + rax, false, Assembler::zero, &backedge_counter_overflow); } else { - if (UseOnStackReplacement) { - // check for overflow against eax, which is the sum of the - // counters + // increment counter + __ movl(rax, Address(rcx, be_offset)); // load backedge counter + __ incrementl(rax, InvocationCounter::count_increment); // increment counter + __ movl(Address(rcx, be_offset), rax); // store counter + + __ movl(rax, Address(rcx, inv_offset)); // load invocation counter + __ andl(rax, InvocationCounter::count_mask_value); // and the status bits + __ addl(rax, Address(rcx, be_offset)); // add both counters + + if (ProfileInterpreter) { + // Test to see if we should create a method data oop __ cmp32(rax, - ExternalAddress((address) &InvocationCounter::InterpreterBackwardBranchLimit)); - __ jcc(Assembler::aboveEqual, backedge_counter_overflow); - + ExternalAddress((address) &InvocationCounter::InterpreterProfileLimit)); + __ jcc(Assembler::less, dispatch); + + // if no method data exists, go to profile method + __ test_method_data_pointer(rax, profile_method); + + if (UseOnStackReplacement) { + // check for overflow against ebx which is the MDO taken count + __ cmp32(rbx, + ExternalAddress((address) &InvocationCounter::InterpreterBackwardBranchLimit)); + __ jcc(Assembler::below, dispatch); + + // When ProfileInterpreter is on, the backedge_count comes + // from the methodDataOop, which value does not get reset on + // the call to frequency_counter_overflow(). To avoid + // excessive calls to the overflow routine while the method is + // being compiled, add a second test to make sure the overflow + // function is called only once every overflow_frequency. + const int overflow_frequency = 1024; + __ andl(rbx, overflow_frequency - 1); + __ jcc(Assembler::zero, backedge_counter_overflow); + + } + } else { + if (UseOnStackReplacement) { + // check for overflow against eax, which is the sum of the + // counters + __ cmp32(rax, + ExternalAddress((address) &InvocationCounter::InterpreterBackwardBranchLimit)); + __ jcc(Assembler::aboveEqual, backedge_counter_overflow); + + } } } __ bind(dispatch); @@ -2912,7 +2932,8 @@ void TemplateTable::invokevirtual_helper(Register index, Register recv, Register flags) { - // Uses temporary registers rax, rdx assert_different_registers(index, recv, rax, rdx); + // Uses temporary registers rax, rdx + assert_different_registers(index, recv, rax, rdx); // Test for an invoke of a final method Label notFinal; diff -r 2966dab85b3e -r a25394352030 src/cpu/x86/vm/vm_version_x86.hpp --- a/src/cpu/x86/vm/vm_version_x86.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/cpu/x86/vm/vm_version_x86.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -296,14 +296,14 @@ result |= CPU_CX8; if (_cpuid_info.std_cpuid1_edx.bits.cmov != 0) result |= CPU_CMOV; - if (_cpuid_info.std_cpuid1_edx.bits.fxsr != 0 || is_amd() && - _cpuid_info.ext_cpuid1_edx.bits.fxsr != 0) + if (_cpuid_info.std_cpuid1_edx.bits.fxsr != 0 || (is_amd() && + _cpuid_info.ext_cpuid1_edx.bits.fxsr != 0)) result |= CPU_FXSR; // HT flag is set for multi-core processors also. if (threads_per_core() > 1) result |= CPU_HT; - if (_cpuid_info.std_cpuid1_edx.bits.mmx != 0 || is_amd() && - _cpuid_info.ext_cpuid1_edx.bits.mmx != 0) + if (_cpuid_info.std_cpuid1_edx.bits.mmx != 0 || (is_amd() && + _cpuid_info.ext_cpuid1_edx.bits.mmx != 0)) result |= CPU_MMX; if (_cpuid_info.std_cpuid1_edx.bits.sse != 0) result |= CPU_SSE; diff -r 2966dab85b3e -r a25394352030 src/cpu/x86/vm/vtableStubs_x86_64.cpp --- a/src/cpu/x86/vm/vtableStubs_x86_64.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/cpu/x86/vm/vtableStubs_x86_64.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2003, 2009, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -209,7 +209,7 @@ (UseCompressedOops ? 16 : 0); // 1 leaq can be 3 bytes + 1 long } else { // Itable stub size - return (DebugVtables ? 512 : 72) + (CountCompiledCalls ? 13 : 0) + + return (DebugVtables ? 512 : 74) + (CountCompiledCalls ? 13 : 0) + (UseCompressedOops ? 32 : 0); // 2 leaqs } // In order to tune these parameters, run the JVM with VM options diff -r 2966dab85b3e -r a25394352030 src/share/vm/c1/c1_Canonicalizer.cpp --- a/src/share/vm/c1/c1_Canonicalizer.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/c1/c1_Canonicalizer.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -652,10 +652,20 @@ else if (lss_sux == gtr_sux) { cond = If::neq; tsux = lss_sux; fsux = eql_sux; } else if (eql_sux == gtr_sux) { cond = If::geq; tsux = eql_sux; fsux = lss_sux; } else { ShouldNotReachHere(); } - If* canon = new If(cmp->x(), cond, nan_sux == tsux, cmp->y(), tsux, fsux, cmp->state_before(), x->is_safepoint()); + If* canon = new If(cmp->x(), cond, nan_sux == tsux, cmp->y(), tsux, fsux, cmp->state_before(), x->is_safepoint()); if (cmp->x() == cmp->y()) { do_If(canon); } else { + if (compilation()->profile_branches()) { + // TODO: If profiling, leave floating point comparisons unoptimized. + // We currently do not support profiling of the unordered case. + switch(cmp->op()) { + case Bytecodes::_fcmpl: case Bytecodes::_fcmpg: + case Bytecodes::_dcmpl: case Bytecodes::_dcmpg: + set_canonical(x); + return; + } + } set_canonical(canon); set_bci(cmp->bci()); } @@ -663,6 +673,8 @@ } else if (l->as_InstanceOf() != NULL) { // NOTE: Code permanently disabled for now since it leaves the old InstanceOf // instruction in the graph (it is pinned). Need to fix this at some point. + // It should also be left in the graph when generating a profiled method version or Goto + // has to know that it was an InstanceOf. return; // pattern: If ((obj instanceof klass) cond rc) => simplify to: IfInstanceOf or: Goto InstanceOf* inst = l->as_InstanceOf(); @@ -881,4 +893,5 @@ void Canonicalizer::do_UnsafePrefetchRead (UnsafePrefetchRead* x) {} void Canonicalizer::do_UnsafePrefetchWrite(UnsafePrefetchWrite* x) {} void Canonicalizer::do_ProfileCall(ProfileCall* x) {} -void Canonicalizer::do_ProfileCounter(ProfileCounter* x) {} +void Canonicalizer::do_ProfileInvoke(ProfileInvoke* x) {} + diff -r 2966dab85b3e -r a25394352030 src/share/vm/c1/c1_Canonicalizer.hpp --- a/src/share/vm/c1/c1_Canonicalizer.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/c1/c1_Canonicalizer.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1999, 2006, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -24,9 +24,11 @@ class Canonicalizer: InstructionVisitor { private: + Compilation *_compilation; Instruction* _canonical; int _bci; + Compilation *compilation() { return _compilation; } void set_canonical(Value x); void set_bci(int bci) { _bci = bci; } void set_constant(jint x) { set_canonical(new Constant(new IntConstant(x))); } @@ -43,7 +45,9 @@ int* scale); public: - Canonicalizer(Value x, int bci) { _canonical = x; _bci = bci; if (CanonicalizeNodes) x->visit(this); } + Canonicalizer(Compilation* c, Value x, int bci) : _compilation(c), _canonical(x), _bci(bci) { + if (CanonicalizeNodes) x->visit(this); + } Value canonical() const { return _canonical; } int bci() const { return _bci; } @@ -92,5 +96,5 @@ virtual void do_UnsafePrefetchRead (UnsafePrefetchRead* x); virtual void do_UnsafePrefetchWrite(UnsafePrefetchWrite* x); virtual void do_ProfileCall (ProfileCall* x); - virtual void do_ProfileCounter (ProfileCounter* x); + virtual void do_ProfileInvoke (ProfileInvoke* x); }; diff -r 2966dab85b3e -r a25394352030 src/share/vm/c1/c1_CodeStubs.hpp --- a/src/share/vm/c1/c1_CodeStubs.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/c1/c1_CodeStubs.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -80,20 +80,21 @@ } }; -#ifdef TIERED class CounterOverflowStub: public CodeStub { private: CodeEmitInfo* _info; int _bci; + LIR_Opr _method; public: - CounterOverflowStub(CodeEmitInfo* info, int bci) : _info(info), _bci(bci) { + CounterOverflowStub(CodeEmitInfo* info, int bci, LIR_Opr method) : _info(info), _bci(bci), _method(method) { } virtual void emit_code(LIR_Assembler* e); virtual void visit(LIR_OpVisitState* visitor) { visitor->do_slow_case(_info); + visitor->do_input(_method); } #ifndef PRODUCT @@ -101,7 +102,6 @@ #endif // PRODUCT }; -#endif // TIERED class ConversionStub: public CodeStub { private: diff -r 2966dab85b3e -r a25394352030 src/share/vm/c1/c1_Compilation.cpp --- a/src/share/vm/c1/c1_Compilation.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/c1/c1_Compilation.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -290,9 +290,13 @@ CHECK_BAILOUT_(no_frame_size); + if (is_profiling()) { + method()->build_method_data(); + } + { PhaseTraceTime timeit(_t_buildIR); - build_hir(); + build_hir(); } if (BailoutAfterHIR) { BAILOUT_("Bailing out because of -XX:+BailoutAfterHIR", no_frame_size); @@ -447,6 +451,7 @@ , _masm(NULL) , _has_exception_handlers(false) , _has_fpu_code(true) // pessimistic assumption +, _would_profile(false) , _has_unsafe_access(false) , _has_method_handle_invokes(false) , _bailout_msg(NULL) @@ -461,12 +466,16 @@ #endif // PRODUCT { PhaseTraceTime timeit(_t_compile); - _arena = Thread::current()->resource_area(); _env->set_compiler_data(this); _exception_info_list = new ExceptionInfoList(); _implicit_exception_table.set_size(0); compile_method(); + if (is_profiling() && _would_profile) { + ciMethodData *md = method->method_data(); + assert (md != NULL, "Should have MDO"); + md->set_would_profile(_would_profile); + } } Compilation::~Compilation() { diff -r 2966dab85b3e -r a25394352030 src/share/vm/c1/c1_Compilation.hpp --- a/src/share/vm/c1/c1_Compilation.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/c1/c1_Compilation.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -69,6 +69,7 @@ bool _has_exception_handlers; bool _has_fpu_code; bool _has_unsafe_access; + bool _would_profile; bool _has_method_handle_invokes; // True if this method has MethodHandle invokes. const char* _bailout_msg; ExceptionInfoList* _exception_info_list; @@ -143,6 +144,7 @@ void set_has_exception_handlers(bool f) { _has_exception_handlers = f; } void set_has_fpu_code(bool f) { _has_fpu_code = f; } void set_has_unsafe_access(bool f) { _has_unsafe_access = f; } + void set_would_profile(bool f) { _would_profile = f; } // Add a set of exception handlers covering the given PC offset void add_exception_handlers_for_pco(int pco, XHandlers* exception_handlers); // Statistics gathering @@ -202,6 +204,30 @@ void compile_only_this_scope(outputStream* st, IRScope* scope); void exclude_this_method(); #endif // PRODUCT + + bool is_profiling() { + return env()->comp_level() == CompLevel_full_profile || + env()->comp_level() == CompLevel_limited_profile; + } + bool count_invocations() { return is_profiling(); } + bool count_backedges() { return is_profiling(); } + + // Helpers for generation of profile information + bool profile_branches() { + return env()->comp_level() == CompLevel_full_profile && + C1UpdateMethodData && C1ProfileBranches; + } + bool profile_calls() { + return env()->comp_level() == CompLevel_full_profile && + C1UpdateMethodData && C1ProfileCalls; + } + bool profile_inlined_calls() { + return profile_calls() && C1ProfileInlinedCalls; + } + bool profile_checkcasts() { + return env()->comp_level() == CompLevel_full_profile && + C1UpdateMethodData && C1ProfileCheckcasts; + } }; diff -r 2966dab85b3e -r a25394352030 src/share/vm/c1/c1_Compiler.hpp --- a/src/share/vm/c1/c1_Compiler.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/c1/c1_Compiler.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -39,9 +39,7 @@ // Name of this compiler virtual const char* name() { return "C1"; } -#ifdef TIERED - virtual bool is_c1() { return true; }; -#endif // TIERED + virtual bool is_c1() { return true; }; BufferBlob* build_buffer_blob(); diff -r 2966dab85b3e -r a25394352030 src/share/vm/c1/c1_GraphBuilder.cpp --- a/src/share/vm/c1/c1_GraphBuilder.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/c1/c1_GraphBuilder.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -967,6 +967,17 @@ StoreIndexed* result = new StoreIndexed(array, index, length, type, value, lock_stack()); append(result); _memory->store_value(value); + + if (type == T_OBJECT && is_profiling()) { + // Note that we'd collect profile data in this method if we wanted it. + compilation()->set_would_profile(true); + + if (profile_checkcasts()) { + result->set_profiled_method(method()); + result->set_profiled_bci(bci()); + result->set_should_profile(true); + } + } } @@ -1144,8 +1155,16 @@ void GraphBuilder::_goto(int from_bci, int to_bci) { - profile_bci(from_bci); - append(new Goto(block_at(to_bci), to_bci <= from_bci)); + Goto *x = new Goto(block_at(to_bci), to_bci <= from_bci); + if (is_profiling()) { + compilation()->set_would_profile(true); + } + if (profile_branches()) { + x->set_profiled_method(method()); + x->set_profiled_bci(bci()); + x->set_should_profile(true); + } + append(x); } @@ -1153,11 +1172,45 @@ BlockBegin* tsux = block_at(stream()->get_dest()); BlockBegin* fsux = block_at(stream()->next_bci()); bool is_bb = tsux->bci() < stream()->cur_bci() || fsux->bci() < stream()->cur_bci(); - If* if_node = append(new If(x, cond, false, y, tsux, fsux, is_bb ? state_before : NULL, is_bb))->as_If(); - if (profile_branches() && (if_node != NULL)) { - if_node->set_profiled_method(method()); - if_node->set_profiled_bci(bci()); - if_node->set_should_profile(true); + Instruction *i = append(new If(x, cond, false, y, tsux, fsux, is_bb ? state_before : NULL, is_bb)); + + if (is_profiling()) { + If* if_node = i->as_If(); + if (if_node != NULL) { + // Note that we'd collect profile data in this method if we wanted it. + compilation()->set_would_profile(true); + // At level 2 we need the proper bci to count backedges + if_node->set_profiled_bci(bci()); + if (profile_branches()) { + // Successors can be rotated by the canonicalizer, check for this case. + if_node->set_profiled_method(method()); + if_node->set_should_profile(true); + if (if_node->tsux() == fsux) { + if_node->set_swapped(true); + } + } + return; + } + + // Check if this If was reduced to Goto. + Goto *goto_node = i->as_Goto(); + if (goto_node != NULL) { + compilation()->set_would_profile(true); + if (profile_branches()) { + goto_node->set_profiled_method(method()); + goto_node->set_profiled_bci(bci()); + goto_node->set_should_profile(true); + // Find out which successor is used. + if (goto_node->default_sux() == tsux) { + goto_node->set_direction(Goto::taken); + } else if (goto_node->default_sux() == fsux) { + goto_node->set_direction(Goto::not_taken); + } else { + ShouldNotReachHere(); + } + } + return; + } } } @@ -1698,8 +1751,7 @@ if (recv != NULL && (code == Bytecodes::_invokespecial || - !is_loaded || target->is_final() || - profile_calls())) { + !is_loaded || target->is_final())) { // invokespecial always needs a NULL check. invokevirtual where // the target is final or where it's not known that whether the // target is final requires a NULL check. Otherwise normal @@ -1709,15 +1761,23 @@ null_check(recv); } - if (profile_calls()) { - assert(cha_monomorphic_target == NULL || exact_target == NULL, "both can not be set"); - ciKlass* target_klass = NULL; - if (cha_monomorphic_target != NULL) { - target_klass = cha_monomorphic_target->holder(); - } else if (exact_target != NULL) { - target_klass = exact_target->holder(); + if (is_profiling()) { + if (recv != NULL && profile_calls()) { + null_check(recv); } - profile_call(recv, target_klass); + // Note that we'd collect profile data in this method if we wanted it. + compilation()->set_would_profile(true); + + if (profile_calls()) { + assert(cha_monomorphic_target == NULL || exact_target == NULL, "both can not be set"); + ciKlass* target_klass = NULL; + if (cha_monomorphic_target != NULL) { + target_klass = cha_monomorphic_target->holder(); + } else if (exact_target != NULL) { + target_klass = exact_target->holder(); + } + profile_call(recv, target_klass); + } } Invoke* result = new Invoke(code, result_type, recv, args, vtable_index, target, state_before); @@ -1782,10 +1842,16 @@ CheckCast* c = new CheckCast(klass, apop(), state_before); apush(append_split(c)); c->set_direct_compare(direct_compare(klass)); - if (profile_checkcasts()) { - c->set_profiled_method(method()); - c->set_profiled_bci(bci()); - c->set_should_profile(true); + + if (is_profiling()) { + // Note that we'd collect profile data in this method if we wanted it. + compilation()->set_would_profile(true); + + if (profile_checkcasts()) { + c->set_profiled_method(method()); + c->set_profiled_bci(bci()); + c->set_should_profile(true); + } } } @@ -1797,6 +1863,17 @@ InstanceOf* i = new InstanceOf(klass, apop(), state_before); ipush(append_split(i)); i->set_direct_compare(direct_compare(klass)); + + if (is_profiling()) { + // Note that we'd collect profile data in this method if we wanted it. + compilation()->set_would_profile(true); + + if (profile_checkcasts()) { + i->set_profiled_method(method()); + i->set_profiled_bci(bci()); + i->set_should_profile(true); + } + } } @@ -1868,7 +1945,7 @@ Instruction* GraphBuilder::append_with_bci(Instruction* instr, int bci) { - Canonicalizer canon(instr, bci); + Canonicalizer canon(compilation(), instr, bci); Instruction* i1 = canon.canonical(); if (i1->bci() != -99) { // Canonicalizer returned an instruction which was already @@ -2651,18 +2728,6 @@ h->set_depth_first_number(0); Value l = h; - if (profile_branches()) { - // Increment the invocation count on entry to the method. We - // can't use profile_invocation here because append isn't setup to - // work properly at this point. The instruction have to be - // appended to the instruction stream by hand. - Value m = new Constant(new ObjectConstant(compilation()->method())); - h->set_next(m, 0); - Value p = new ProfileCounter(m, methodOopDesc::interpreter_invocation_counter_offset_in_bytes(), 1); - m->set_next(p, 0); - l = p; - } - BlockEnd* g = new Goto(entry, false); l->set_next(g, entry->bci()); h->set_end(g); @@ -2688,10 +2753,10 @@ // also necessary when profiling so that there's a single block that // can increment the interpreter_invocation_count. BlockBegin* new_header_block; - if (std_entry->number_of_preds() == 0 && !profile_branches()) { + if (std_entry->number_of_preds() > 0 || count_invocations() || count_backedges()) { + new_header_block = header_block(std_entry, BlockBegin::std_entry_flag, state); + } else { new_header_block = std_entry; - } else { - new_header_block = header_block(std_entry, BlockBegin::std_entry_flag, state); } // setup start block (root for the IR graph) @@ -3115,16 +3180,21 @@ Values* args = state()->pop_arguments(callee->arg_size()); ValueStack* locks = lock_stack(); - if (profile_calls()) { + + if (is_profiling()) { // Don't profile in the special case where the root method // is the intrinsic if (callee != method()) { - Value recv = NULL; - if (has_receiver) { - recv = args->at(0); - null_check(recv); + // Note that we'd collect profile data in this method if we wanted it. + compilation()->set_would_profile(true); + if (profile_calls()) { + Value recv = NULL; + if (has_receiver) { + recv = args->at(0); + null_check(recv); + } + profile_call(recv, NULL); } - profile_call(recv, NULL); } } @@ -3296,7 +3366,9 @@ bool GraphBuilder::try_inline_full(ciMethod* callee, bool holder_known) { assert(!callee->is_native(), "callee must not be native"); - + if (count_backedges() && callee->has_loops()) { + INLINE_BAILOUT("too complex for tiered"); + } // first perform tests of things it's not possible to inline if (callee->has_exception_handlers() && !InlineMethodsWithExceptionHandlers) INLINE_BAILOUT("callee has exception handlers"); @@ -3365,12 +3437,19 @@ null_check(recv); } - if (profile_inlined_calls()) { - profile_call(recv, holder_known ? callee->holder() : NULL); + if (is_profiling()) { + // Note that we'd collect profile data in this method if we wanted it. + // this may be redundant here... + compilation()->set_would_profile(true); + + if (profile_calls()) { + profile_call(recv, holder_known ? callee->holder() : NULL); + } + if (profile_inlined_calls()) { + profile_invocation(callee, state(), 0); + } } - profile_invocation(callee); - // Introduce a new callee continuation point - if the callee has // more than one return instruction or the return does not allow // fall-through of control flow, all return instructions of the @@ -3755,30 +3834,10 @@ } #endif // PRODUCT - void GraphBuilder::profile_call(Value recv, ciKlass* known_holder) { append(new ProfileCall(method(), bci(), recv, known_holder)); } - -void GraphBuilder::profile_invocation(ciMethod* callee) { - if (profile_calls()) { - // increment the interpreter_invocation_count for the inlinee - Value m = append(new Constant(new ObjectConstant(callee))); - append(new ProfileCounter(m, methodOopDesc::interpreter_invocation_counter_offset_in_bytes(), 1)); - } +void GraphBuilder::profile_invocation(ciMethod* callee, ValueStack* state, int bci) { + append(new ProfileInvoke(callee, state, bci)); } - - -void GraphBuilder::profile_bci(int bci) { - if (profile_branches()) { - ciMethodData* md = method()->method_data(); - if (md == NULL) { - BAILOUT("out of memory building methodDataOop"); - } - ciProfileData* data = md->bci_to_data(bci); - assert(data != NULL && data->is_JumpData(), "need JumpData for goto"); - Value mdo = append(new Constant(new ObjectConstant(md))); - append(new ProfileCounter(mdo, md->byte_offset_of_slot(data, JumpData::taken_offset()), 1)); - } -} diff -r 2966dab85b3e -r a25394352030 src/share/vm/c1/c1_GraphBuilder.hpp --- a/src/share/vm/c1/c1_GraphBuilder.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/c1/c1_GraphBuilder.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1999, 2008, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -342,27 +342,17 @@ NOT_PRODUCT(void print_inline_result(ciMethod* callee, bool res);) - // methodDataOop profiling helpers void profile_call(Value recv, ciKlass* predicted_holder); - void profile_invocation(ciMethod* method); - void profile_bci(int bci); + void profile_invocation(ciMethod* inlinee, ValueStack* state, int bci); - // Helpers for generation of profile information - bool profile_branches() { - return _compilation->env()->comp_level() == CompLevel_fast_compile && - Tier1UpdateMethodData && Tier1ProfileBranches; - } - bool profile_calls() { - return _compilation->env()->comp_level() == CompLevel_fast_compile && - Tier1UpdateMethodData && Tier1ProfileCalls; - } - bool profile_inlined_calls() { - return profile_calls() && Tier1ProfileInlinedCalls; - } - bool profile_checkcasts() { - return _compilation->env()->comp_level() == CompLevel_fast_compile && - Tier1UpdateMethodData && Tier1ProfileCheckcasts; - } + // Shortcuts to profiling control. + bool is_profiling() { return _compilation->is_profiling(); } + bool count_invocations() { return _compilation->count_invocations(); } + bool count_backedges() { return _compilation->count_backedges(); } + bool profile_branches() { return _compilation->profile_branches(); } + bool profile_calls() { return _compilation->profile_calls(); } + bool profile_inlined_calls() { return _compilation->profile_inlined_calls(); } + bool profile_checkcasts() { return _compilation->profile_checkcasts(); } public: NOT_PRODUCT(void print_stats();) diff -r 2966dab85b3e -r a25394352030 src/share/vm/c1/c1_IR.cpp --- a/src/share/vm/c1/c1_IR.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/c1/c1_IR.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -296,19 +296,21 @@ void IR::optimize() { Optimizer opt(this); - if (DoCEE) { - opt.eliminate_conditional_expressions(); + if (!compilation()->profile_branches()) { + if (DoCEE) { + opt.eliminate_conditional_expressions(); #ifndef PRODUCT - if (PrintCFG || PrintCFG1) { tty->print_cr("CFG after CEE"); print(true); } - if (PrintIR || PrintIR1 ) { tty->print_cr("IR after CEE"); print(false); } + if (PrintCFG || PrintCFG1) { tty->print_cr("CFG after CEE"); print(true); } + if (PrintIR || PrintIR1 ) { tty->print_cr("IR after CEE"); print(false); } #endif - } - if (EliminateBlocks) { - opt.eliminate_blocks(); + } + if (EliminateBlocks) { + opt.eliminate_blocks(); #ifndef PRODUCT - if (PrintCFG || PrintCFG1) { tty->print_cr("CFG after block elimination"); print(true); } - if (PrintIR || PrintIR1 ) { tty->print_cr("IR after block elimination"); print(false); } + if (PrintCFG || PrintCFG1) { tty->print_cr("CFG after block elimination"); print(true); } + if (PrintIR || PrintIR1 ) { tty->print_cr("IR after block elimination"); print(false); } #endif + } } if (EliminateNullChecks) { opt.eliminate_null_checks(); @@ -484,6 +486,8 @@ BitMap2D _loop_map; // two-dimensional bit set: a bit is set if a block is contained in a loop BlockList _work_list; // temporary list (used in mark_loops and compute_order) + Compilation* _compilation; + // accessors for _visited_blocks and _active_blocks void init_visited() { _active_blocks.clear(); _visited_blocks.clear(); } bool is_visited(BlockBegin* b) const { return _visited_blocks.at(b->block_id()); } @@ -526,8 +530,9 @@ NOT_PRODUCT(void print_blocks();) DEBUG_ONLY(void verify();) + Compilation* compilation() const { return _compilation; } public: - ComputeLinearScanOrder(BlockBegin* start_block); + ComputeLinearScanOrder(Compilation* c, BlockBegin* start_block); // accessors for final result BlockList* linear_scan_order() const { return _linear_scan_order; } @@ -535,7 +540,7 @@ }; -ComputeLinearScanOrder::ComputeLinearScanOrder(BlockBegin* start_block) : +ComputeLinearScanOrder::ComputeLinearScanOrder(Compilation* c, BlockBegin* start_block) : _max_block_id(BlockBegin::number_of_blocks()), _num_blocks(0), _num_loops(0), @@ -547,13 +552,18 @@ _loop_end_blocks(8), _work_list(8), _linear_scan_order(NULL), // initialized later with correct size - _loop_map(0, 0) // initialized later with correct size + _loop_map(0, 0), // initialized later with correct size + _compilation(c) { TRACE_LINEAR_SCAN(2, "***** computing linear-scan block order"); init_visited(); count_edges(start_block, NULL); + if (compilation()->is_profiling()) { + compilation()->method()->method_data()->set_compilation_stats(_num_loops, _num_blocks); + } + if (_num_loops > 0) { mark_loops(); clear_non_natural_loops(start_block); @@ -1130,7 +1140,7 @@ void IR::compute_code() { assert(is_valid(), "IR must be valid"); - ComputeLinearScanOrder compute_order(start()); + ComputeLinearScanOrder compute_order(compilation(), start()); _num_loops = compute_order.num_loops(); _code = compute_order.linear_scan_order(); } diff -r 2966dab85b3e -r a25394352030 src/share/vm/c1/c1_Instruction.cpp --- a/src/share/vm/c1/c1_Instruction.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/c1/c1_Instruction.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -740,9 +740,9 @@ #ifndef PRODUCT - #define TRACE_PHI(code) if (PrintPhiFunctions) { code; } + #define TRACE_PHI(code) if (PrintPhiFunctions) { code; } #else - #define TRACE_PHI(coce) + #define TRACE_PHI(coce) #endif @@ -1011,3 +1011,7 @@ void Throw::state_values_do(ValueVisitor* f) { BlockEnd::state_values_do(f); } + +void ProfileInvoke::state_values_do(ValueVisitor* f) { + if (state() != NULL) state()->values_do(f); +} diff -r 2966dab85b3e -r a25394352030 src/share/vm/c1/c1_Instruction.hpp --- a/src/share/vm/c1/c1_Instruction.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/c1/c1_Instruction.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -98,7 +98,7 @@ class UnsafePrefetchRead; class UnsafePrefetchWrite; class ProfileCall; -class ProfileCounter; +class ProfileInvoke; // A Value is a reference to the instruction creating the value typedef Instruction* Value; @@ -195,7 +195,7 @@ virtual void do_UnsafePrefetchRead (UnsafePrefetchRead* x) = 0; virtual void do_UnsafePrefetchWrite(UnsafePrefetchWrite* x) = 0; virtual void do_ProfileCall (ProfileCall* x) = 0; - virtual void do_ProfileCounter (ProfileCounter* x) = 0; + virtual void do_ProfileInvoke (ProfileInvoke* x) = 0; }; @@ -906,11 +906,13 @@ private: Value _value; + ciMethod* _profiled_method; + int _profiled_bci; public: // creation StoreIndexed(Value array, Value index, Value length, BasicType elt_type, Value value, ValueStack* lock_stack) : AccessIndexed(array, index, length, elt_type, lock_stack) - , _value(value) + , _value(value), _profiled_method(NULL), _profiled_bci(0) { set_flag(NeedsWriteBarrierFlag, (as_ValueType(elt_type)->is_object())); set_flag(NeedsStoreCheckFlag, (as_ValueType(elt_type)->is_object())); @@ -923,7 +925,13 @@ IRScope* scope() const; // the state's scope bool needs_write_barrier() const { return check_flag(NeedsWriteBarrierFlag); } bool needs_store_check() const { return check_flag(NeedsStoreCheckFlag); } - + // Helpers for methodDataOop profiling + void set_should_profile(bool value) { set_flag(ProfileMDOFlag, value); } + void set_profiled_method(ciMethod* method) { _profiled_method = method; } + void set_profiled_bci(int bci) { _profiled_bci = bci; } + bool should_profile() const { return check_flag(ProfileMDOFlag); } + ciMethod* profiled_method() const { return _profiled_method; } + int profiled_bci() const { return _profiled_bci; } // generic virtual void input_values_do(ValueVisitor* f) { AccessIndexed::input_values_do(f); f->visit(&_value); } }; @@ -1297,9 +1305,14 @@ Value _obj; ValueStack* _state_before; + ciMethod* _profiled_method; + int _profiled_bci; + public: // creation - TypeCheck(ciKlass* klass, Value obj, ValueType* type, ValueStack* state_before) : StateSplit(type), _klass(klass), _obj(obj), _state_before(state_before) { + TypeCheck(ciKlass* klass, Value obj, ValueType* type, ValueStack* state_before) + : StateSplit(type), _klass(klass), _obj(obj), _state_before(state_before), + _profiled_method(NULL), _profiled_bci(0) { ASSERT_VALUES set_direct_compare(false); } @@ -1318,20 +1331,22 @@ virtual bool can_trap() const { return true; } virtual void input_values_do(ValueVisitor* f) { StateSplit::input_values_do(f); f->visit(&_obj); } virtual void other_values_do(ValueVisitor* f); + + // Helpers for methodDataOop profiling + void set_should_profile(bool value) { set_flag(ProfileMDOFlag, value); } + void set_profiled_method(ciMethod* method) { _profiled_method = method; } + void set_profiled_bci(int bci) { _profiled_bci = bci; } + bool should_profile() const { return check_flag(ProfileMDOFlag); } + ciMethod* profiled_method() const { return _profiled_method; } + int profiled_bci() const { return _profiled_bci; } }; LEAF(CheckCast, TypeCheck) - private: - ciMethod* _profiled_method; - int _profiled_bci; - public: // creation CheckCast(ciKlass* klass, Value obj, ValueStack* state_before) - : TypeCheck(klass, obj, objectType, state_before) - , _profiled_method(NULL) - , _profiled_bci(0) {} + : TypeCheck(klass, obj, objectType, state_before) {} void set_incompatible_class_change_check() { set_flag(ThrowIncompatibleClassChangeErrorFlag, true); @@ -1340,17 +1355,8 @@ return check_flag(ThrowIncompatibleClassChangeErrorFlag); } - // Helpers for methodDataOop profiling - void set_should_profile(bool value) { set_flag(ProfileMDOFlag, value); } - void set_profiled_method(ciMethod* method) { _profiled_method = method; } - void set_profiled_bci(int bci) { _profiled_bci = bci; } - bool should_profile() const { return check_flag(ProfileMDOFlag); } - ciMethod* profiled_method() const { return _profiled_method; } - int profiled_bci() const { return _profiled_bci; } - ciType* declared_type() const; ciType* exact_type() const; - }; @@ -1734,19 +1740,44 @@ LEAF(Goto, BlockEnd) public: + enum Direction { + none, // Just a regular goto + taken, not_taken // Goto produced from If + }; + private: + ciMethod* _profiled_method; + int _profiled_bci; + Direction _direction; + public: // creation - Goto(BlockBegin* sux, ValueStack* state_before, bool is_safepoint = false) : BlockEnd(illegalType, state_before, is_safepoint) { + Goto(BlockBegin* sux, ValueStack* state_before, bool is_safepoint = false) + : BlockEnd(illegalType, state_before, is_safepoint) + , _direction(none) + , _profiled_method(NULL) + , _profiled_bci(0) { BlockList* s = new BlockList(1); s->append(sux); set_sux(s); } - Goto(BlockBegin* sux, bool is_safepoint) : BlockEnd(illegalType, NULL, is_safepoint) { + Goto(BlockBegin* sux, bool is_safepoint) : BlockEnd(illegalType, NULL, is_safepoint) + , _direction(none) + , _profiled_method(NULL) + , _profiled_bci(0) { BlockList* s = new BlockList(1); s->append(sux); set_sux(s); } + bool should_profile() const { return check_flag(ProfileMDOFlag); } + ciMethod* profiled_method() const { return _profiled_method; } // set only for profiled branches + int profiled_bci() const { return _profiled_bci; } + Direction direction() const { return _direction; } + + void set_should_profile(bool value) { set_flag(ProfileMDOFlag, value); } + void set_profiled_method(ciMethod* method) { _profiled_method = method; } + void set_profiled_bci(int bci) { _profiled_bci = bci; } + void set_direction(Direction d) { _direction = d; } }; @@ -1757,6 +1788,8 @@ Value _y; ciMethod* _profiled_method; int _profiled_bci; // Canonicalizer may alter bci of If node + bool _swapped; // Is the order reversed with respect to the original If in the + // bytecode stream? public: // creation // unordered_is_true is valid for float/double compares only @@ -1767,6 +1800,7 @@ , _y(y) , _profiled_method(NULL) , _profiled_bci(0) + , _swapped(false) { ASSERT_VALUES set_flag(UnorderedIsTrueFlag, unordered_is_true); @@ -1788,7 +1822,8 @@ BlockBegin* usux() const { return sux_for(unordered_is_true()); } bool should_profile() const { return check_flag(ProfileMDOFlag); } ciMethod* profiled_method() const { return _profiled_method; } // set only for profiled branches - int profiled_bci() const { return _profiled_bci; } // set only for profiled branches + int profiled_bci() const { return _profiled_bci; } // set for profiled branches and tiered + bool is_swapped() const { return _swapped; } // manipulation void swap_operands() { @@ -1807,7 +1842,7 @@ void set_should_profile(bool value) { set_flag(ProfileMDOFlag, value); } void set_profiled_method(ciMethod* method) { _profiled_method = method; } void set_profiled_bci(int bci) { _profiled_bci = bci; } - + void set_swapped(bool value) { _swapped = value; } // generic virtual void input_values_do(ValueVisitor* f) { BlockEnd::input_values_do(f); f->visit(&_x); f->visit(&_y); } }; @@ -2235,7 +2270,6 @@ } }; - LEAF(ProfileCall, Instruction) private: ciMethod* _method; @@ -2263,35 +2297,32 @@ virtual void input_values_do(ValueVisitor* f) { if (_recv != NULL) f->visit(&_recv); } }; +// Use to trip invocation counter of an inlined method -// -// Simple node representing a counter update generally used for updating MDOs -// -LEAF(ProfileCounter, Instruction) +LEAF(ProfileInvoke, Instruction) private: - Value _mdo; - int _offset; - int _increment; + ciMethod* _inlinee; + ValueStack* _state; + int _bci_of_invoke; public: - ProfileCounter(Value mdo, int offset, int increment = 1) + ProfileInvoke(ciMethod* inlinee, ValueStack* state, int bci) : Instruction(voidType) - , _mdo(mdo) - , _offset(offset) - , _increment(increment) + , _inlinee(inlinee) + , _bci_of_invoke(bci) + , _state(state) { - // The ProfileCounter has side-effects and must occur precisely where located + // The ProfileInvoke has side-effects and must occur precisely where located QQQ??? pin(); } - Value mdo() { return _mdo; } - int offset() { return _offset; } - int increment() { return _increment; } - - virtual void input_values_do(ValueVisitor* f) { f->visit(&_mdo); } + ciMethod* inlinee() { return _inlinee; } + ValueStack* state() { return _state; } + int bci_of_invoke() { return _bci_of_invoke; } + virtual void input_values_do(ValueVisitor*) {} + virtual void state_values_do(ValueVisitor*); }; - class BlockPair: public CompilationResourceObj { private: BlockBegin* _from; diff -r 2966dab85b3e -r a25394352030 src/share/vm/c1/c1_InstructionPrinter.cpp --- a/src/share/vm/c1/c1_InstructionPrinter.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/c1/c1_InstructionPrinter.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1999, 2006, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -819,7 +819,6 @@ output()->put(')'); } - void InstructionPrinter::do_ProfileCall(ProfileCall* x) { output()->print("profile "); print_value(x->recv()); @@ -831,20 +830,11 @@ output()->put(')'); } - -void InstructionPrinter::do_ProfileCounter(ProfileCounter* x) { +void InstructionPrinter::do_ProfileInvoke(ProfileInvoke* x) { + output()->print("profile_invoke "); + output()->print(" %s.%s", x->inlinee()->holder()->name()->as_utf8(), x->inlinee()->name()->as_utf8()); + output()->put(')'); - ObjectConstant* oc = x->mdo()->type()->as_ObjectConstant(); - if (oc != NULL && oc->value()->is_method() && - x->offset() == methodOopDesc::interpreter_invocation_counter_offset_in_bytes()) { - print_value(x->mdo()); - output()->print(".interpreter_invocation_count += %d", x->increment()); - } else { - output()->print("counter ["); - print_value(x->mdo()); - output()->print(" + %d] += %d", x->offset(), x->increment()); - } } - #endif // PRODUCT diff -r 2966dab85b3e -r a25394352030 src/share/vm/c1/c1_InstructionPrinter.hpp --- a/src/share/vm/c1/c1_InstructionPrinter.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/c1/c1_InstructionPrinter.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1999, 2006, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -123,6 +123,6 @@ virtual void do_UnsafePrefetchRead (UnsafePrefetchRead* x); virtual void do_UnsafePrefetchWrite(UnsafePrefetchWrite* x); virtual void do_ProfileCall (ProfileCall* x); - virtual void do_ProfileCounter (ProfileCounter* x); + virtual void do_ProfileInvoke (ProfileInvoke* x); }; #endif // PRODUCT diff -r 2966dab85b3e -r a25394352030 src/share/vm/c1/c1_LIR.cpp --- a/src/share/vm/c1/c1_LIR.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/c1/c1_LIR.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -345,9 +345,8 @@ LIR_OpTypeCheck::LIR_OpTypeCheck(LIR_Code code, LIR_Opr result, LIR_Opr object, ciKlass* klass, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check, CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, - CodeStub* stub, - ciMethod* profiled_method, - int profiled_bci) + CodeStub* stub) + : LIR_Op(code, result, NULL) , _object(object) , _array(LIR_OprFact::illegalOpr) @@ -359,8 +358,10 @@ , _stub(stub) , _info_for_patch(info_for_patch) , _info_for_exception(info_for_exception) - , _profiled_method(profiled_method) - , _profiled_bci(profiled_bci) { + , _profiled_method(NULL) + , _profiled_bci(-1) + , _should_profile(false) +{ if (code == lir_checkcast) { assert(info_for_exception != NULL, "checkcast throws exceptions"); } else if (code == lir_instanceof) { @@ -372,7 +373,7 @@ -LIR_OpTypeCheck::LIR_OpTypeCheck(LIR_Code code, LIR_Opr object, LIR_Opr array, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, CodeEmitInfo* info_for_exception, ciMethod* profiled_method, int profiled_bci) +LIR_OpTypeCheck::LIR_OpTypeCheck(LIR_Code code, LIR_Opr object, LIR_Opr array, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, CodeEmitInfo* info_for_exception) : LIR_Op(code, LIR_OprFact::illegalOpr, NULL) , _object(object) , _array(array) @@ -384,8 +385,10 @@ , _stub(NULL) , _info_for_patch(NULL) , _info_for_exception(info_for_exception) - , _profiled_method(profiled_method) - , _profiled_bci(profiled_bci) { + , _profiled_method(NULL) + , _profiled_bci(-1) + , _should_profile(false) +{ if (code == lir_store_check) { _stub = new ArrayStoreExceptionStub(info_for_exception); assert(info_for_exception != NULL, "store_check throws exceptions"); @@ -495,6 +498,8 @@ case lir_monaddr: // input and result always valid, info always invalid case lir_null_check: // input and info always valid, result always invalid case lir_move: // input and result always valid, may have info + case lir_pack64: // input and result always valid + case lir_unpack64: // input and result always valid case lir_prefetchr: // input always valid, result and info always invalid case lir_prefetchw: // input always valid, result and info always invalid { @@ -903,7 +908,6 @@ assert(opProfileCall->_tmp1->is_valid(), "used"); do_temp(opProfileCall->_tmp1); break; } - default: ShouldNotReachHere(); } @@ -1041,12 +1045,10 @@ masm->emit_delay(this); } - void LIR_OpProfileCall::emit_code(LIR_Assembler* masm) { masm->emit_profile_call(this); } - // LIR_List LIR_List::LIR_List(Compilation* compilation, BlockBegin* block) : _operations(8) @@ -1364,19 +1366,29 @@ LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check, CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, CodeStub* stub, ciMethod* profiled_method, int profiled_bci) { - append(new LIR_OpTypeCheck(lir_checkcast, result, object, klass, - tmp1, tmp2, tmp3, fast_check, info_for_exception, info_for_patch, stub, - profiled_method, profiled_bci)); + LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_checkcast, result, object, klass, + tmp1, tmp2, tmp3, fast_check, info_for_exception, info_for_patch, stub); + if (profiled_method != NULL) { + c->set_profiled_method(profiled_method); + c->set_profiled_bci(profiled_bci); + c->set_should_profile(true); + } + append(c); } - -void LIR_List::instanceof(LIR_Opr result, LIR_Opr object, ciKlass* klass, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check, CodeEmitInfo* info_for_patch) { - append(new LIR_OpTypeCheck(lir_instanceof, result, object, klass, tmp1, tmp2, tmp3, fast_check, NULL, info_for_patch, NULL, NULL, 0)); +void LIR_List::instanceof(LIR_Opr result, LIR_Opr object, ciKlass* klass, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check, CodeEmitInfo* info_for_patch, ciMethod* profiled_method, int profiled_bci) { + LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_instanceof, result, object, klass, tmp1, tmp2, tmp3, fast_check, NULL, info_for_patch, NULL); + if (profiled_method != NULL) { + c->set_profiled_method(profiled_method); + c->set_profiled_bci(profiled_bci); + c->set_should_profile(true); + } + append(c); } void LIR_List::store_check(LIR_Opr object, LIR_Opr array, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, CodeEmitInfo* info_for_exception) { - append(new LIR_OpTypeCheck(lir_store_check, object, array, tmp1, tmp2, tmp3, info_for_exception, NULL, 0)); + append(new LIR_OpTypeCheck(lir_store_check, object, array, tmp1, tmp2, tmp3, info_for_exception)); } @@ -1611,6 +1623,8 @@ case lir_convert: s = "convert"; break; case lir_alloc_object: s = "alloc_obj"; break; case lir_monaddr: s = "mon_addr"; break; + case lir_pack64: s = "pack64"; break; + case lir_unpack64: s = "unpack64"; break; // LIR_Op2 case lir_cmp: s = "cmp"; break; case lir_cmp_l2i: s = "cmp_l2i"; break; @@ -1664,7 +1678,6 @@ case lir_cas_int: s = "cas_int"; break; // LIR_OpProfileCall case lir_profile_call: s = "profile_call"; break; - case lir_none: ShouldNotReachHere();break; default: s = "illegal_op"; break; } @@ -1922,7 +1935,6 @@ tmp1()->print(out); out->print(" "); } - #endif // PRODUCT // Implementation of LIR_InsertionBuffer diff -r 2966dab85b3e -r a25394352030 src/share/vm/c1/c1_LIR.hpp --- a/src/share/vm/c1/c1_LIR.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/c1/c1_LIR.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -849,6 +849,8 @@ , lir_monaddr , lir_roundfp , lir_safepoint + , lir_pack64 + , lir_unpack64 , lir_unwind , end_op1 , begin_op2 @@ -1464,18 +1466,16 @@ CodeEmitInfo* _info_for_patch; CodeEmitInfo* _info_for_exception; CodeStub* _stub; - // Helpers for Tier1UpdateMethodData ciMethod* _profiled_method; int _profiled_bci; + bool _should_profile; public: LIR_OpTypeCheck(LIR_Code code, LIR_Opr result, LIR_Opr object, ciKlass* klass, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check, - CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, CodeStub* stub, - ciMethod* profiled_method, int profiled_bci); + CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, CodeStub* stub); LIR_OpTypeCheck(LIR_Code code, LIR_Opr object, LIR_Opr array, - LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, CodeEmitInfo* info_for_exception, - ciMethod* profiled_method, int profiled_bci); + LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, CodeEmitInfo* info_for_exception); LIR_Opr object() const { return _object; } LIR_Opr array() const { assert(code() == lir_store_check, "not valid"); return _array; } @@ -1489,8 +1489,12 @@ CodeStub* stub() const { return _stub; } // methodDataOop profiling - ciMethod* profiled_method() { return _profiled_method; } - int profiled_bci() { return _profiled_bci; } + void set_profiled_method(ciMethod *method) { _profiled_method = method; } + void set_profiled_bci(int bci) { _profiled_bci = bci; } + void set_should_profile(bool b) { _should_profile = b; } + ciMethod* profiled_method() const { return _profiled_method; } + int profiled_bci() const { return _profiled_bci; } + bool should_profile() const { return _should_profile; } virtual void emit_code(LIR_Assembler* masm); virtual LIR_OpTypeCheck* as_OpTypeCheck() { return this; } @@ -1771,7 +1775,6 @@ virtual void print_instr(outputStream* out) const PRODUCT_RETURN; }; - class LIR_InsertionBuffer; //--------------------------------LIR_List--------------------------------------------------- @@ -1835,6 +1838,7 @@ //---------- mutators --------------- void insert_before(int i, LIR_List* op_list) { _operations.insert_before(i, op_list->instructions_list()); } void insert_before(int i, LIR_Op* op) { _operations.insert_before(i, op); } + void remove_at(int i) { _operations.remove_at(i); } //---------- printing ------------- void print_instructions() PRODUCT_RETURN; @@ -1908,6 +1912,9 @@ void logical_or (LIR_Opr left, LIR_Opr right, LIR_Opr dst) { append(new LIR_Op2(lir_logic_or, left, right, dst)); } void logical_xor (LIR_Opr left, LIR_Opr right, LIR_Opr dst) { append(new LIR_Op2(lir_logic_xor, left, right, dst)); } + void pack64(LIR_Opr src, LIR_Opr dst) { append(new LIR_Op1(lir_pack64, src, dst, T_LONG, lir_patch_none, NULL)); } + void unpack64(LIR_Opr src, LIR_Opr dst) { append(new LIR_Op1(lir_unpack64, src, dst, T_LONG, lir_patch_none, NULL)); } + void null_check(LIR_Opr opr, CodeEmitInfo* info) { append(new LIR_Op1(lir_null_check, opr, info)); } void throw_exception(LIR_Opr exceptionPC, LIR_Opr exceptionOop, CodeEmitInfo* info) { append(new LIR_Op2(lir_throw, exceptionPC, exceptionOop, LIR_OprFact::illegalOpr, info)); @@ -2034,15 +2041,17 @@ void fpop_raw() { append(new LIR_Op0(lir_fpop_raw)); } + void instanceof(LIR_Opr result, LIR_Opr object, ciKlass* klass, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check, CodeEmitInfo* info_for_patch, ciMethod* profiled_method, int profiled_bci); + void store_check(LIR_Opr object, LIR_Opr array, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, CodeEmitInfo* info_for_exception); + void checkcast (LIR_Opr result, LIR_Opr object, ciKlass* klass, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check, CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, CodeStub* stub, ciMethod* profiled_method, int profiled_bci); - void instanceof(LIR_Opr result, LIR_Opr object, ciKlass* klass, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check, CodeEmitInfo* info_for_patch); - void store_check(LIR_Opr object, LIR_Opr array, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, CodeEmitInfo* info_for_exception); - // methodDataOop profiling - void profile_call(ciMethod* method, int bci, LIR_Opr mdo, LIR_Opr recv, LIR_Opr t1, ciKlass* cha_klass) { append(new LIR_OpProfileCall(lir_profile_call, method, bci, mdo, recv, t1, cha_klass)); } + void profile_call(ciMethod* method, int bci, LIR_Opr mdo, LIR_Opr recv, LIR_Opr t1, ciKlass* cha_klass) { + append(new LIR_OpProfileCall(lir_profile_call, method, bci, mdo, recv, t1, cha_klass)); + } }; void print_LIR(BlockList* blocks); diff -r 2966dab85b3e -r a25394352030 src/share/vm/c1/c1_LIRAssembler.cpp --- a/src/share/vm/c1/c1_LIRAssembler.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/c1/c1_LIRAssembler.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -548,6 +548,16 @@ monitor_address(op->in_opr()->as_constant_ptr()->as_jint(), op->result_opr()); break; +#ifdef SPARC + case lir_pack64: + pack64(op->in_opr(), op->result_opr()); + break; + + case lir_unpack64: + unpack64(op->in_opr(), op->result_opr()); + break; +#endif + case lir_unwind: unwind_op(op->in_opr()); break; diff -r 2966dab85b3e -r a25394352030 src/share/vm/c1/c1_LIRAssembler.hpp --- a/src/share/vm/c1/c1_LIRAssembler.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/c1/c1_LIRAssembler.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -187,6 +187,7 @@ void emit_alloc_obj(LIR_OpAllocObj* op); void emit_alloc_array(LIR_OpAllocArray* op); void emit_opTypeCheck(LIR_OpTypeCheck* op); + void emit_typecheck_helper(LIR_OpTypeCheck *op, Label* success, Label* failure, Label* obj_is_null); void emit_compare_and_swap(LIR_OpCompareAndSwap* op); void emit_lock(LIR_OpLock* op); void emit_call(LIR_OpJavaCall* op); diff -r 2966dab85b3e -r a25394352030 src/share/vm/c1/c1_LIRGenerator.cpp --- a/src/share/vm/c1/c1_LIRGenerator.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/c1/c1_LIRGenerator.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -480,16 +480,6 @@ } -// increment a counter returning the incremented value -LIR_Opr LIRGenerator::increment_and_return_counter(LIR_Opr base, int offset, int increment) { - LIR_Address* counter = new LIR_Address(base, offset, T_INT); - LIR_Opr result = new_register(T_INT); - __ load(counter, result); - __ add(result, LIR_OprFact::intConst(increment), result); - __ store(result, counter); - return result; -} - void LIRGenerator::arithmetic_op(Bytecodes::Code code, LIR_Opr result, LIR_Opr left, LIR_Opr right, bool is_strictfp, LIR_Opr tmp_op, CodeEmitInfo* info) { LIR_Opr result_op = result; @@ -821,7 +811,6 @@ return tmp; } - void LIRGenerator::profile_branch(If* if_instr, If::Condition cond) { if (if_instr->should_profile()) { ciMethod* method = if_instr->profiled_method(); @@ -836,24 +825,32 @@ assert(data->is_BranchData(), "need BranchData for two-way branches"); int taken_count_offset = md->byte_offset_of_slot(data, BranchData::taken_offset()); int not_taken_count_offset = md->byte_offset_of_slot(data, BranchData::not_taken_offset()); + if (if_instr->is_swapped()) { + int t = taken_count_offset; + taken_count_offset = not_taken_count_offset; + not_taken_count_offset = t; + } + LIR_Opr md_reg = new_register(T_OBJECT); - __ move(LIR_OprFact::oopConst(md->constant_encoding()), md_reg); - LIR_Opr data_offset_reg = new_register(T_INT); + __ oop2reg(md->constant_encoding(), md_reg); + + LIR_Opr data_offset_reg = new_pointer_register(); __ cmove(lir_cond(cond), - LIR_OprFact::intConst(taken_count_offset), - LIR_OprFact::intConst(not_taken_count_offset), + LIR_OprFact::intptrConst(taken_count_offset), + LIR_OprFact::intptrConst(not_taken_count_offset), data_offset_reg); - LIR_Opr data_reg = new_register(T_INT); - LIR_Address* data_addr = new LIR_Address(md_reg, data_offset_reg, T_INT); + + // MDO cells are intptr_t, so the data_reg width is arch-dependent. + LIR_Opr data_reg = new_pointer_register(); + LIR_Address* data_addr = new LIR_Address(md_reg, data_offset_reg, data_reg->type()); __ move(LIR_OprFact::address(data_addr), data_reg); + // Use leal instead of add to avoid destroying condition codes on x86 LIR_Address* fake_incr_value = new LIR_Address(data_reg, DataLayout::counter_increment, T_INT); - // Use leal instead of add to avoid destroying condition codes on x86 __ leal(LIR_OprFact::address(fake_incr_value), data_reg); __ move(data_reg, LIR_OprFact::address(data_addr)); } } - // Phi technique: // This is about passing live values from one basic block to the other. // In code generated with Java it is rather rare that more than one @@ -1305,8 +1302,6 @@ LIR_Opr flag_val = new_register(T_INT); __ load(mark_active_flag_addr, flag_val); - LabelObj* start_store = new LabelObj(); - LIR_PatchCode pre_val_patch_code = patch ? lir_patch_normal : lir_patch_none; @@ -1757,7 +1752,7 @@ #ifndef PRODUCT if (PrintC1Statistics) { - increment_counter(Runtime1::throw_count_address()); + increment_counter(Runtime1::throw_count_address(), T_INT); } #endif @@ -2191,12 +2186,41 @@ ValueStack* state = x->state_before() ? x->state_before() : x->state(); // increment backedge counter if needed - increment_backedge_counter(state_for(x, state)); - + CodeEmitInfo* info = state_for(x, state); + increment_backedge_counter(info, info->bci()); CodeEmitInfo* safepoint_info = state_for(x, state); __ safepoint(safepoint_poll_register(), safepoint_info); } + // Gotos can be folded Ifs, handle this case. + if (x->should_profile()) { + ciMethod* method = x->profiled_method(); + assert(method != NULL, "method should be set if branch is profiled"); + ciMethodData* md = method->method_data(); + if (md == NULL) { + bailout("out of memory building methodDataOop"); + return; + } + ciProfileData* data = md->bci_to_data(x->profiled_bci()); + assert(data != NULL, "must have profiling data"); + int offset; + if (x->direction() == Goto::taken) { + assert(data->is_BranchData(), "need BranchData for two-way branches"); + offset = md->byte_offset_of_slot(data, BranchData::taken_offset()); + } else if (x->direction() == Goto::not_taken) { + assert(data->is_BranchData(), "need BranchData for two-way branches"); + offset = md->byte_offset_of_slot(data, BranchData::not_taken_offset()); + } else { + assert(data->is_JumpData(), "need JumpData for branches"); + offset = md->byte_offset_of_slot(data, JumpData::taken_offset()); + } + LIR_Opr md_reg = new_register(T_OBJECT); + __ oop2reg(md->constant_encoding(), md_reg); + + increment_counter(new LIR_Address(md_reg, offset, + NOT_LP64(T_INT) LP64_ONLY(T_LONG)), DataLayout::counter_increment); + } + // emit phi-instruction move after safepoint since this simplifies // describing the state as the safepoint. move_to_phi(x->state()); @@ -2279,7 +2303,10 @@ } // increment invocation counters if needed - increment_invocation_counter(new CodeEmitInfo(0, scope()->start()->state(), NULL)); + if (!method()->is_accessor()) { // Accessors do not have MDOs, so no counting. + CodeEmitInfo* info = new CodeEmitInfo(InvocationEntryBci, scope()->start()->state(), NULL); + increment_invocation_counter(info); + } // all blocks with a successor must end with an unconditional jump // to the successor even if they are consecutive @@ -2613,12 +2640,12 @@ } } - void LIRGenerator::do_ProfileCall(ProfileCall* x) { // Need recv in a temporary register so it interferes with the other temporaries LIR_Opr recv = LIR_OprFact::illegalOpr; LIR_Opr mdo = new_register(T_OBJECT); - LIR_Opr tmp = new_register(T_INT); + // tmp is used to hold the counters on SPARC + LIR_Opr tmp = new_pointer_register(); if (x->recv() != NULL) { LIRItem value(x->recv(), this); value.load_item(); @@ -2628,14 +2655,69 @@ __ profile_call(x->method(), x->bci_of_invoke(), mdo, recv, tmp, x->known_holder()); } - -void LIRGenerator::do_ProfileCounter(ProfileCounter* x) { - LIRItem mdo(x->mdo(), this); - mdo.load_item(); - - increment_counter(new LIR_Address(mdo.result(), x->offset(), T_INT), x->increment()); +void LIRGenerator::do_ProfileInvoke(ProfileInvoke* x) { + // We can safely ignore accessors here, since c2 will inline them anyway, + // accessors are also always mature. + if (!x->inlinee()->is_accessor()) { + CodeEmitInfo* info = state_for(x, x->state(), true); + // Increment invocation counter, don't notify the runtime, because we don't inline loops, + increment_event_counter_impl(info, x->inlinee(), 0, InvocationEntryBci, false, false); + } +} + +void LIRGenerator::increment_event_counter(CodeEmitInfo* info, int bci, bool backedge) { + int freq_log; + int level = compilation()->env()->comp_level(); + if (level == CompLevel_limited_profile) { + freq_log = (backedge ? Tier2BackedgeNotifyFreqLog : Tier2InvokeNotifyFreqLog); + } else if (level == CompLevel_full_profile) { + freq_log = (backedge ? Tier3BackedgeNotifyFreqLog : Tier3InvokeNotifyFreqLog); + } else { + ShouldNotReachHere(); + } + // Increment the appropriate invocation/backedge counter and notify the runtime. + increment_event_counter_impl(info, info->scope()->method(), (1 << freq_log) - 1, bci, backedge, true); } +void LIRGenerator::increment_event_counter_impl(CodeEmitInfo* info, + ciMethod *method, int frequency, + int bci, bool backedge, bool notify) { + assert(frequency == 0 || is_power_of_2(frequency + 1), "Frequency must be x^2 - 1 or 0"); + int level = _compilation->env()->comp_level(); + assert(level > CompLevel_simple, "Shouldn't be here"); + + int offset = -1; + LIR_Opr counter_holder = new_register(T_OBJECT); + LIR_Opr meth; + if (level == CompLevel_limited_profile) { + offset = in_bytes(backedge ? methodOopDesc::backedge_counter_offset() : + methodOopDesc::invocation_counter_offset()); + __ oop2reg(method->constant_encoding(), counter_holder); + meth = counter_holder; + } else if (level == CompLevel_full_profile) { + offset = in_bytes(backedge ? methodDataOopDesc::backedge_counter_offset() : + methodDataOopDesc::invocation_counter_offset()); + __ oop2reg(method->method_data()->constant_encoding(), counter_holder); + meth = new_register(T_OBJECT); + __ oop2reg(method->constant_encoding(), meth); + } else { + ShouldNotReachHere(); + } + LIR_Address* counter = new LIR_Address(counter_holder, offset, T_INT); + LIR_Opr result = new_register(T_INT); + __ load(counter, result); + __ add(result, LIR_OprFact::intConst(InvocationCounter::count_increment), result); + __ store(result, counter); + if (notify) { + LIR_Opr mask = load_immediate(frequency << InvocationCounter::count_shift, T_INT); + __ logical_and(result, mask, result); + __ cmp(lir_cond_equal, result, LIR_OprFact::intConst(0)); + // The bci for info can point to cmp for if's we want the if bci + CodeStub* overflow = new CounterOverflowStub(info, bci, meth); + __ branch(lir_cond_equal, T_INT, overflow); + __ branch_destination(overflow->continuation()); + } +} LIR_Opr LIRGenerator::call_runtime(Value arg1, address entry, ValueType* result_type, CodeEmitInfo* info) { LIRItemList args(1); @@ -2748,28 +2830,3 @@ return result; } - - -void LIRGenerator::increment_invocation_counter(CodeEmitInfo* info, bool backedge) { -#ifdef TIERED - if (_compilation->env()->comp_level() == CompLevel_fast_compile && - (method()->code_size() >= Tier1BytecodeLimit || backedge)) { - int limit = InvocationCounter::Tier1InvocationLimit; - int offset = in_bytes(methodOopDesc::invocation_counter_offset() + - InvocationCounter::counter_offset()); - if (backedge) { - limit = InvocationCounter::Tier1BackEdgeLimit; - offset = in_bytes(methodOopDesc::backedge_counter_offset() + - InvocationCounter::counter_offset()); - } - - LIR_Opr meth = new_register(T_OBJECT); - __ oop2reg(method()->constant_encoding(), meth); - LIR_Opr result = increment_and_return_counter(meth, offset, InvocationCounter::count_increment); - __ cmp(lir_cond_aboveEqual, result, LIR_OprFact::intConst(limit)); - CodeStub* overflow = new CounterOverflowStub(info, info->bci()); - __ branch(lir_cond_aboveEqual, T_INT, overflow); - __ branch_destination(overflow->continuation()); - } -#endif -} diff -r 2966dab85b3e -r a25394352030 src/share/vm/c1/c1_LIRGenerator.hpp --- a/src/share/vm/c1/c1_LIRGenerator.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/c1/c1_LIRGenerator.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2005, 2006, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -196,6 +196,9 @@ LIR_Opr load_constant(Constant* x); LIR_Opr load_constant(LIR_Const* constant); + // Given an immediate value, return an operand usable in logical ops. + LIR_Opr load_immediate(int x, BasicType type); + void set_result(Value x, LIR_Opr opr) { assert(opr->is_valid(), "must set to valid value"); assert(x->operand()->is_illegal(), "operand should never change"); @@ -213,8 +216,6 @@ LIR_Opr round_item(LIR_Opr opr); LIR_Opr force_to_spill(LIR_Opr value, BasicType t); - void profile_branch(If* if_instr, If::Condition cond); - PhiResolverState& resolver_state() { return _resolver_state; } void move_to_phi(PhiResolver* resolver, Value cur_val, Value sux_val); @@ -285,12 +286,9 @@ void arithmetic_call_op (Bytecodes::Code code, LIR_Opr result, LIR_OprList* args); - void increment_counter(address counter, int step = 1); + void increment_counter(address counter, BasicType type, int step = 1); void increment_counter(LIR_Address* addr, int step = 1); - // increment a counter returning the incremented value - LIR_Opr increment_and_return_counter(LIR_Opr base, int offset, int increment); - // is_strictfp is only needed for mul and div (and only generates different code on i486) void arithmetic_op(Bytecodes::Code code, LIR_Opr result, LIR_Opr left, LIR_Opr right, bool is_strictfp, LIR_Opr tmp, CodeEmitInfo* info = NULL); // machine dependent. returns true if it emitted code for the multiply @@ -347,9 +345,21 @@ bool can_store_as_constant(Value i, BasicType type) const; LIR_Opr safepoint_poll_register(); - void increment_invocation_counter(CodeEmitInfo* info, bool backedge = false); - void increment_backedge_counter(CodeEmitInfo* info) { - increment_invocation_counter(info, true); + + void profile_branch(If* if_instr, If::Condition cond); + void increment_event_counter_impl(CodeEmitInfo* info, + ciMethod *method, int frequency, + int bci, bool backedge, bool notify); + void increment_event_counter(CodeEmitInfo* info, int bci, bool backedge); + void increment_invocation_counter(CodeEmitInfo *info) { + if (compilation()->count_invocations()) { + increment_event_counter(info, InvocationEntryBci, false); + } + } + void increment_backedge_counter(CodeEmitInfo* info, int bci) { + if (compilation()->count_backedges()) { + increment_event_counter(info, bci, true); + } } CodeEmitInfo* state_for(Instruction* x, ValueStack* state, bool ignore_xhandler = false); @@ -503,7 +513,7 @@ virtual void do_UnsafePrefetchRead (UnsafePrefetchRead* x); virtual void do_UnsafePrefetchWrite(UnsafePrefetchWrite* x); virtual void do_ProfileCall (ProfileCall* x); - virtual void do_ProfileCounter (ProfileCounter* x); + virtual void do_ProfileInvoke (ProfileInvoke* x); }; diff -r 2966dab85b3e -r a25394352030 src/share/vm/c1/c1_Optimizer.cpp --- a/src/share/vm/c1/c1_Optimizer.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/c1/c1_Optimizer.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1999, 2009, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -430,7 +430,7 @@ void do_UnsafePrefetchRead (UnsafePrefetchRead* x); void do_UnsafePrefetchWrite(UnsafePrefetchWrite* x); void do_ProfileCall (ProfileCall* x); - void do_ProfileCounter (ProfileCounter* x); + void do_ProfileInvoke (ProfileInvoke* x); }; @@ -598,7 +598,7 @@ void NullCheckVisitor::do_UnsafePrefetchRead (UnsafePrefetchRead* x) {} void NullCheckVisitor::do_UnsafePrefetchWrite(UnsafePrefetchWrite* x) {} void NullCheckVisitor::do_ProfileCall (ProfileCall* x) { nce()->clear_last_explicit_null_check(); } -void NullCheckVisitor::do_ProfileCounter (ProfileCounter* x) {} +void NullCheckVisitor::do_ProfileInvoke (ProfileInvoke* x) {} void NullCheckEliminator::visit(Value* p) { diff -r 2966dab85b3e -r a25394352030 src/share/vm/c1/c1_Runtime1.cpp --- a/src/share/vm/c1/c1_Runtime1.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/c1/c1_Runtime1.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -140,9 +140,7 @@ case slow_subtype_check_id: case fpu2long_stub_id: case unwind_exception_id: -#ifndef TIERED - case counter_overflow_id: // Not generated outside the tiered world -#endif + case counter_overflow_id: #if defined(SPARC) || defined(PPC) case handle_exception_nofpu_id: // Unused on sparc #endif @@ -322,31 +320,60 @@ } JRT_END -#ifdef TIERED -JRT_ENTRY(void, Runtime1::counter_overflow(JavaThread* thread, int bci)) - RegisterMap map(thread, false); - frame fr = thread->last_frame().sender(&map); +// This is a helper to allow us to safepoint but allow the outer entry +// to be safepoint free if we need to do an osr +static nmethod* counter_overflow_helper(JavaThread* THREAD, int branch_bci, methodOopDesc* m) { + nmethod* osr_nm = NULL; + methodHandle method(THREAD, m); + + RegisterMap map(THREAD, false); + frame fr = THREAD->last_frame().sender(&map); nmethod* nm = (nmethod*) fr.cb(); - assert(nm!= NULL && nm->is_nmethod(), "what?"); - methodHandle method(thread, nm->method()); - if (bci == 0) { - // invocation counter overflow - if (!Tier1CountOnly) { - CompilationPolicy::policy()->method_invocation_event(method, CHECK); - } else { - method()->invocation_counter()->reset(); + assert(nm!= NULL && nm->is_nmethod(), "Sanity check"); + methodHandle enclosing_method(THREAD, nm->method()); + + CompLevel level = (CompLevel)nm->comp_level(); + int bci = InvocationEntryBci; + if (branch_bci != InvocationEntryBci) { + // Compute desination bci + address pc = method()->code_base() + branch_bci; + Bytecodes::Code branch = Bytecodes::code_at(pc, method()); + int offset = 0; + switch (branch) { + case Bytecodes::_if_icmplt: case Bytecodes::_iflt: + case Bytecodes::_if_icmpgt: case Bytecodes::_ifgt: + case Bytecodes::_if_icmple: case Bytecodes::_ifle: + case Bytecodes::_if_icmpge: case Bytecodes::_ifge: + case Bytecodes::_if_icmpeq: case Bytecodes::_if_acmpeq: case Bytecodes::_ifeq: + case Bytecodes::_if_icmpne: case Bytecodes::_if_acmpne: case Bytecodes::_ifne: + case Bytecodes::_ifnull: case Bytecodes::_ifnonnull: case Bytecodes::_goto: + offset = (int16_t)Bytes::get_Java_u2(pc + 1); + break; + case Bytecodes::_goto_w: + offset = Bytes::get_Java_u4(pc + 1); + break; + default: ; } - } else { - if (!Tier1CountOnly) { - // Twe have a bci but not the destination bci and besides a backedge - // event is more for OSR which we don't want here. - CompilationPolicy::policy()->method_invocation_event(method, CHECK); - } else { - method()->backedge_counter()->reset(); + bci = branch_bci + offset; + } + + osr_nm = CompilationPolicy::policy()->event(enclosing_method, method, branch_bci, bci, level, THREAD); + return osr_nm; +} + +JRT_BLOCK_ENTRY(address, Runtime1::counter_overflow(JavaThread* thread, int bci, methodOopDesc* method)) + nmethod* osr_nm; + JRT_BLOCK + osr_nm = counter_overflow_helper(thread, bci, method); + if (osr_nm != NULL) { + RegisterMap map(thread, false); + frame fr = thread->last_frame().sender(&map); + VM_DeoptimizeFrame deopt(thread, fr.id()); + VMThread::execute(&deopt); } - } + JRT_BLOCK_END + return NULL; JRT_END -#endif // TIERED extern void vm_exit(int code); @@ -898,7 +925,7 @@ NativeMovConstReg* n_copy = nativeMovConstReg_at(copy_buff); assert(n_copy->data() == 0 || - n_copy->data() == (int)Universe::non_oop_word(), + n_copy->data() == (intptr_t)Universe::non_oop_word(), "illegal init value"); assert(load_klass() != NULL, "klass not set"); n_copy->set_data((intx) (load_klass())); diff -r 2966dab85b3e -r a25394352030 src/share/vm/c1/c1_Runtime1.hpp --- a/src/share/vm/c1/c1_Runtime1.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/c1/c1_Runtime1.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -123,9 +123,7 @@ static void new_object_array(JavaThread* thread, klassOopDesc* klass, jint length); static void new_multi_array (JavaThread* thread, klassOopDesc* klass, int rank, jint* dims); -#ifdef TIERED - static void counter_overflow(JavaThread* thread, int bci); -#endif // TIERED + static address counter_overflow(JavaThread* thread, int bci, methodOopDesc* method); static void unimplemented_entry (JavaThread* thread, StubID id); diff -r 2966dab85b3e -r a25394352030 src/share/vm/c1/c1_ValueMap.hpp --- a/src/share/vm/c1/c1_ValueMap.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/c1/c1_ValueMap.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1999, 2008, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -185,11 +185,11 @@ void do_ExceptionObject(ExceptionObject* x) { /* nothing to do */ } void do_RoundFP (RoundFP* x) { /* nothing to do */ } void do_UnsafeGetRaw (UnsafeGetRaw* x) { /* nothing to do */ } + void do_ProfileInvoke (ProfileInvoke* x) { /* nothing to do */ }; void do_UnsafeGetObject(UnsafeGetObject* x) { /* nothing to do */ } void do_UnsafePrefetchRead (UnsafePrefetchRead* x) { /* nothing to do */ } void do_UnsafePrefetchWrite(UnsafePrefetchWrite* x) { /* nothing to do */ } void do_ProfileCall (ProfileCall* x) { /* nothing to do */ } - void do_ProfileCounter (ProfileCounter* x) { /* nothing to do */ } }; diff -r 2966dab85b3e -r a25394352030 src/share/vm/c1/c1_globals.hpp --- a/src/share/vm/c1/c1_globals.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/c1/c1_globals.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -25,12 +25,6 @@ // // Defines all global flags used by the client compiler. // -#ifndef TIERED - #define NOT_TIERED(x) x -#else - #define NOT_TIERED(x) -#endif - #define C1_FLAGS(develop, develop_pd, product, product_pd, notproduct) \ \ /* Printing */ \ @@ -55,7 +49,7 @@ notproduct(bool, PrintIRDuringConstruction, false, \ "Print IR as it's being constructed (helpful for debugging frontend)")\ \ - notproduct(bool, PrintPhiFunctions, false, \ + notproduct(bool, PrintPhiFunctions, false, \ "Print phi functions when they are created and simplified") \ \ notproduct(bool, PrintIR, false, \ @@ -279,41 +273,29 @@ product_pd(intx, SafepointPollOffset, \ "Offset added to polling address (Intel only)") \ \ - product(bool, UseNewFeature1, false, \ - "Enable new feature for testing. This is a dummy flag.") \ - \ - product(bool, UseNewFeature2, false, \ - "Enable new feature for testing. This is a dummy flag.") \ - \ - product(bool, UseNewFeature3, false, \ - "Enable new feature for testing. This is a dummy flag.") \ - \ - product(bool, UseNewFeature4, false, \ - "Enable new feature for testing. This is a dummy flag.") \ - \ develop(bool, ComputeExactFPURegisterUsage, true, \ "Compute additional live set for fpu registers to simplify fpu stack merge (Intel only)") \ \ - product(bool, Tier1ProfileCalls, true, \ + product(bool, C1ProfileCalls, true, \ "Profile calls when generating code for updating MDOs") \ \ - product(bool, Tier1ProfileVirtualCalls, true, \ + product(bool, C1ProfileVirtualCalls, true, \ "Profile virtual calls when generating code for updating MDOs") \ \ - product(bool, Tier1ProfileInlinedCalls, true, \ + product(bool, C1ProfileInlinedCalls, true, \ "Profile inlined calls when generating code for updating MDOs") \ \ - product(bool, Tier1ProfileBranches, true, \ + product(bool, C1ProfileBranches, true, \ "Profile branches when generating code for updating MDOs") \ \ - product(bool, Tier1ProfileCheckcasts, true, \ + product(bool, C1ProfileCheckcasts, true, \ "Profile checkcasts when generating code for updating MDOs") \ \ - product(bool, Tier1OptimizeVirtualCallProfiling, true, \ - "Use CHA and exact type results at call sites when updating MDOs") \ + product(bool, C1OptimizeVirtualCallProfiling, true, \ + "Use CHA and exact type results at call sites when updating MDOs")\ \ - develop(bool, Tier1CountOnly, false, \ - "Don't schedule tier 2 compiles. Enter VM only") \ + product(bool, C1UpdateMethodData, trueInTiered, \ + "Update methodDataOops in Tier1-generated code") \ \ develop(bool, PrintCFGToFile, false, \ "print control flow graph to a separate file during compilation") \ diff -r 2966dab85b3e -r a25394352030 src/share/vm/ci/ciEnv.cpp --- a/src/share/vm/ci/ciEnv.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/ci/ciEnv.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -956,18 +956,18 @@ if (task() != NULL) task()->set_code(nm); if (entry_bci == InvocationEntryBci) { -#ifdef TIERED - // If there is an old version we're done with it - nmethod* old = method->code(); - if (TraceMethodReplacement && old != NULL) { - ResourceMark rm; - char *method_name = method->name_and_sig_as_C_string(); - tty->print_cr("Replacing method %s", method_name); + if (TieredCompilation) { + // If there is an old version we're done with it + nmethod* old = method->code(); + if (TraceMethodReplacement && old != NULL) { + ResourceMark rm; + char *method_name = method->name_and_sig_as_C_string(); + tty->print_cr("Replacing method %s", method_name); + } + if (old != NULL ) { + old->make_not_entrant(); + } } - if (old != NULL ) { - old->make_not_entrant(); - } -#endif // TIERED if (TraceNMethodInstalls ) { ResourceMark rm; char *method_name = method->name_and_sig_as_C_string(); @@ -1011,7 +1011,7 @@ // ------------------------------------------------------------------ // ciEnv::comp_level int ciEnv::comp_level() { - if (task() == NULL) return CompLevel_full_optimization; + if (task() == NULL) return CompLevel_highest_tier; return task()->comp_level(); } diff -r 2966dab85b3e -r a25394352030 src/share/vm/ci/ciMethod.cpp --- a/src/share/vm/ci/ciMethod.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/ci/ciMethod.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -49,7 +49,8 @@ _handler_count = h_m()->exception_table()->length() / 4; _uses_monitors = h_m()->access_flags().has_monitor_bytecodes(); _balanced_monitors = !_uses_monitors || h_m()->access_flags().is_monitor_matching(); - _is_compilable = !h_m()->is_not_compilable(); + _is_c1_compilable = !h_m()->is_not_c1_compilable(); + _is_c2_compilable = !h_m()->is_not_c2_compilable(); // Lazy fields, filled in on demand. Require allocation. _code = NULL; _exception_handlers = NULL; @@ -61,11 +62,12 @@ #endif // COMPILER2 || SHARK ciEnv *env = CURRENT_ENV; - if (env->jvmti_can_hotswap_or_post_breakpoint() && _is_compilable) { + if (env->jvmti_can_hotswap_or_post_breakpoint() && can_be_compiled()) { // 6328518 check hotswap conditions under the right lock. MutexLocker locker(Compile_lock); if (Dependencies::check_evol_method(h_m()) != NULL) { - _is_compilable = false; + _is_c1_compilable = false; + _is_c2_compilable = false; } } else { CHECK_UNHANDLED_OOPS_ONLY(Thread::current()->clear_unhandled_oops()); @@ -93,7 +95,7 @@ _signature = new (env->arena()) ciSignature(_holder, sig_symbol); _method_data = NULL; // Take a snapshot of these values, so they will be commensurate with the MDO. - if (ProfileInterpreter) { + if (ProfileInterpreter || TieredCompilation) { int invcnt = h_m()->interpreter_invocation_count(); // if the value overflowed report it as max int _interpreter_invocation_count = invcnt < 0 ? max_jint : invcnt ; @@ -437,11 +439,26 @@ // In addition, virtual call sites have receiver type information int receivers_count_total = 0; int morphism = 0; + // Precompute morphism for the possible fixup for (uint i = 0; i < call->row_limit(); i++) { ciKlass* receiver = call->receiver(i); if (receiver == NULL) continue; - morphism += 1; - int rcount = call->receiver_count(i); + morphism++; + } + int epsilon = 0; + if (TieredCompilation && ProfileInterpreter) { + // Interpreter and C1 treat final and special invokes differently. + // C1 will record a type, whereas the interpreter will just + // increment the count. Detect this case. + if (morphism == 1 && count > 0) { + epsilon = count; + count = 0; + } + } + for (uint i = 0; i < call->row_limit(); i++) { + ciKlass* receiver = call->receiver(i); + if (receiver == NULL) continue; + int rcount = call->receiver_count(i) + epsilon; if (rcount == 0) rcount = 1; // Should be valid value receivers_count_total += rcount; // Add the receiver to result data. @@ -687,10 +704,17 @@ // invocation counts in methods. int ciMethod::scale_count(int count, float prof_factor) { if (count > 0 && method_data() != NULL) { - int current_mileage = method_data()->current_mileage(); - int creation_mileage = method_data()->creation_mileage(); - int counter_life = current_mileage - creation_mileage; + int counter_life; int method_life = interpreter_invocation_count(); + if (TieredCompilation) { + // In tiered the MDO's life is measured directly, so just use the snapshotted counters + counter_life = MAX2(method_data()->invocation_count(), method_data()->backedge_count()); + } else { + int current_mileage = method_data()->current_mileage(); + int creation_mileage = method_data()->creation_mileage(); + counter_life = current_mileage - creation_mileage; + } + // counter_life due to backedge_counter could be > method_life if (counter_life > method_life) counter_life = method_life; @@ -778,7 +802,8 @@ Thread* my_thread = JavaThread::current(); methodHandle h_m(my_thread, get_methodOop()); - if (Tier1UpdateMethodData && is_tier1_compile(env->comp_level())) { + // Create an MDO for the inlinee + if (TieredCompilation && is_c1_compile(env->comp_level())) { build_method_data(h_m); } @@ -885,7 +910,11 @@ // Have previous compilations of this method succeeded? bool ciMethod::can_be_compiled() { check_is_loaded(); - return _is_compilable; + ciEnv* env = CURRENT_ENV; + if (is_c1_compile(env->comp_level())) { + return _is_c1_compilable; + } + return _is_c2_compilable; } // ------------------------------------------------------------------ @@ -895,8 +924,13 @@ void ciMethod::set_not_compilable() { check_is_loaded(); VM_ENTRY_MARK; - _is_compilable = false; - get_methodOop()->set_not_compilable(); + ciEnv* env = CURRENT_ENV; + if (is_c1_compile(env->comp_level())) { + _is_c1_compilable = false; + } else { + _is_c2_compilable = false; + } + get_methodOop()->set_not_compilable(env->comp_level()); } // ------------------------------------------------------------------ @@ -910,7 +944,8 @@ bool ciMethod::can_be_osr_compiled(int entry_bci) { check_is_loaded(); VM_ENTRY_MARK; - return !get_methodOop()->access_flags().is_not_osr_compilable(); + ciEnv* env = CURRENT_ENV; + return !get_methodOop()->is_not_osr_compilable(env->comp_level()); } // ------------------------------------------------------------------ @@ -920,6 +955,14 @@ return get_methodOop()->code() != NULL; } +int ciMethod::comp_level() { + check_is_loaded(); + VM_ENTRY_MARK; + nmethod* nm = get_methodOop()->code(); + if (nm != NULL) return nm->comp_level(); + return 0; +} + // ------------------------------------------------------------------ // ciMethod::instructions_size // @@ -928,18 +971,13 @@ // junk like exception handler, stubs, and constant table, which are // not highly relevant to an inlined method. So we use the more // specific accessor nmethod::insts_size. -int ciMethod::instructions_size() { +int ciMethod::instructions_size(int comp_level) { GUARDED_VM_ENTRY( nmethod* code = get_methodOop()->code(); - // if there's no compiled code or the code was produced by the - // tier1 profiler return 0 for the code size. This should - // probably be based on the compilation level of the nmethod but - // that currently isn't properly recorded. - if (code == NULL || - (TieredCompilation && code->compiler() != NULL && code->compiler()->is_c1())) { - return 0; + if (code != NULL && (comp_level == CompLevel_any || comp_level == code->comp_level())) { + return code->code_end() - code->verified_entry_point(); } - return code->insts_end() - code->verified_entry_point(); + return 0; ) } diff -r 2966dab85b3e -r a25394352030 src/share/vm/ci/ciMethod.hpp --- a/src/share/vm/ci/ciMethod.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/ci/ciMethod.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -61,7 +61,8 @@ bool _uses_monitors; bool _balanced_monitors; - bool _is_compilable; + bool _is_c1_compilable; + bool _is_c2_compilable; bool _can_be_statically_bound; // Lazy fields, filled in on demand @@ -127,6 +128,8 @@ int interpreter_invocation_count() const { check_is_loaded(); return _interpreter_invocation_count; } int interpreter_throwout_count() const { check_is_loaded(); return _interpreter_throwout_count; } + int comp_level(); + Bytecodes::Code java_code_at_bci(int bci) { address bcp = code() + bci; return Bytecodes::java_code_at(bcp); @@ -209,7 +212,7 @@ bool can_be_osr_compiled(int entry_bci); void set_not_compilable(); bool has_compiled_code(); - int instructions_size(); + int instructions_size(int comp_level = CompLevel_any); void log_nmethod_identity(xmlStream* log); bool is_not_reached(int bci); bool was_executed_more_than(int times); diff -r 2966dab85b3e -r a25394352030 src/share/vm/ci/ciMethodData.cpp --- a/src/share/vm/ci/ciMethodData.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/ci/ciMethodData.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2001, 2008, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -37,6 +37,8 @@ _data_size = 0; _extra_data_size = 0; _current_mileage = 0; + _invocation_counter = 0; + _backedge_counter = 0; _state = empty_state; _saw_free_extra_data = false; // Set an initial hint. Don't use set_hint_di() because @@ -56,6 +58,8 @@ _data_size = 0; _extra_data_size = 0; _current_mileage = 0; + _invocation_counter = 0; + _backedge_counter = 0; _state = empty_state; _saw_free_extra_data = false; // Set an initial hint. Don't use set_hint_di() because @@ -99,6 +103,8 @@ } // Note: Extra data are all BitData, and do not need translation. _current_mileage = methodDataOopDesc::mileage_of(mdo->method()); + _invocation_counter = mdo->invocation_count(); + _backedge_counter = mdo->backedge_count(); _state = mdo->is_mature()? mature_state: immature_state; _eflags = mdo->eflags(); @@ -253,6 +259,23 @@ } } +void ciMethodData::set_compilation_stats(short loops, short blocks) { + VM_ENTRY_MARK; + methodDataOop mdo = get_methodDataOop(); + if (mdo != NULL) { + mdo->set_num_loops(loops); + mdo->set_num_blocks(blocks); + } +} + +void ciMethodData::set_would_profile(bool p) { + VM_ENTRY_MARK; + methodDataOop mdo = get_methodDataOop(); + if (mdo != NULL) { + mdo->set_would_profile(p); + } +} + bool ciMethodData::has_escape_info() { return eflag_set(methodDataOopDesc::estimated); } diff -r 2966dab85b3e -r a25394352030 src/share/vm/ci/ciMethodData.hpp --- a/src/share/vm/ci/ciMethodData.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/ci/ciMethodData.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2001, 2008, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -162,6 +162,12 @@ // Maturity of the oop when the snapshot is taken. int _current_mileage; + // These counters hold the age of MDO in tiered. In tiered we can have the same method + // running at different compilation levels concurrently. So, in order to precisely measure + // its maturity we need separate counters. + int _invocation_counter; + int _backedge_counter; + // Coherent snapshot of original header. methodDataOopDesc _orig; @@ -223,6 +229,16 @@ int creation_mileage() { return _orig.creation_mileage(); } int current_mileage() { return _current_mileage; } + int invocation_count() { return _invocation_counter; } + int backedge_count() { return _backedge_counter; } + // Transfer information about the method to methodDataOop. + // would_profile means we would like to profile this method, + // meaning it's not trivial. + void set_would_profile(bool p); + // Also set the numer of loops and blocks in the method. + // Again, this is used to determine if a method is trivial. + void set_compilation_stats(short loops, short blocks); + void load_data(); // Convert a dp (data pointer) to a di (data index). diff -r 2966dab85b3e -r a25394352030 src/share/vm/classfile/classLoader.cpp --- a/src/share/vm/classfile/classLoader.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/classfile/classLoader.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -1292,7 +1292,7 @@ // Iterate over all methods in class for (int n = 0; n < k->methods()->length(); n++) { methodHandle m (THREAD, methodOop(k->methods()->obj_at(n))); - if (CompilationPolicy::canBeCompiled(m)) { + if (CompilationPolicy::can_be_compiled(m)) { if (++_codecache_sweep_counter == CompileTheWorldSafepointInterval) { // Give sweeper a chance to keep up with CTW @@ -1301,7 +1301,7 @@ _codecache_sweep_counter = 0; } // Force compilation - CompileBroker::compile_method(m, InvocationEntryBci, + CompileBroker::compile_method(m, InvocationEntryBci, CompLevel_initial_compile, methodHandle(), 0, "CTW", THREAD); if (HAS_PENDING_EXCEPTION) { CLEAR_PENDING_EXCEPTION; @@ -1315,7 +1315,7 @@ nm->make_not_entrant(); m->clear_code(); } - CompileBroker::compile_method(m, InvocationEntryBci, + CompileBroker::compile_method(m, InvocationEntryBci, CompLevel_full_optimization, methodHandle(), 0, "CTW", THREAD); if (HAS_PENDING_EXCEPTION) { CLEAR_PENDING_EXCEPTION; diff -r 2966dab85b3e -r a25394352030 src/share/vm/classfile/javaClasses.cpp --- a/src/share/vm/classfile/javaClasses.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/classfile/javaClasses.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -2424,12 +2424,15 @@ int java_dyn_MethodTypeForm::_vmslots_offset; int java_dyn_MethodTypeForm::_erasedType_offset; +int java_dyn_MethodTypeForm::_genericInvoker_offset; void java_dyn_MethodTypeForm::compute_offsets() { klassOop k = SystemDictionary::MethodTypeForm_klass(); if (k != NULL) { compute_optional_offset(_vmslots_offset, k, vmSymbols::vmslots_name(), vmSymbols::int_signature(), true); compute_optional_offset(_erasedType_offset, k, vmSymbols::erasedType_name(), vmSymbols::java_dyn_MethodType_signature(), true); + compute_optional_offset(_genericInvoker_offset, k, vmSymbols::genericInvoker_name(), vmSymbols::java_dyn_MethodHandle_signature(), true); + if (_genericInvoker_offset == 0) _genericInvoker_offset = -1; // set to explicit "empty" value } } @@ -2443,6 +2446,11 @@ return mtform->obj_field(_erasedType_offset); } +oop java_dyn_MethodTypeForm::genericInvoker(oop mtform) { + assert(mtform->klass() == SystemDictionary::MethodTypeForm_klass(), "MTForm only"); + return mtform->obj_field(_genericInvoker_offset); +} + // Support for java_dyn_CallSite diff -r 2966dab85b3e -r a25394352030 src/share/vm/classfile/javaClasses.hpp --- a/src/share/vm/classfile/javaClasses.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/classfile/javaClasses.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -1048,6 +1048,7 @@ private: static int _vmslots_offset; // number of argument slots needed static int _erasedType_offset; // erasedType = canonical MethodType + static int _genericInvoker_offset; // genericInvoker = adapter for invokeGeneric static void compute_offsets(); @@ -1055,10 +1056,12 @@ // Accessors static int vmslots(oop mtform); static oop erasedType(oop mtform); + static oop genericInvoker(oop mtform); // Accessors for code generation: static int vmslots_offset_in_bytes() { return _vmslots_offset; } static int erasedType_offset_in_bytes() { return _erasedType_offset; } + static int genericInvoker_offset_in_bytes() { return _genericInvoker_offset; } }; diff -r 2966dab85b3e -r a25394352030 src/share/vm/classfile/systemDictionary.cpp --- a/src/share/vm/classfile/systemDictionary.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/classfile/systemDictionary.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -2361,8 +2361,11 @@ // Must create lots of stuff here, but outside of the SystemDictionary lock. if (THREAD->is_Compiler_thread()) return NULL; // do not attempt from within compiler + bool for_invokeGeneric = (name_id == vmSymbols::VM_SYMBOL_ENUM_NAME(invokeGeneric_name)); bool found_on_bcp = false; - Handle mt = find_method_handle_type(signature(), accessing_klass, found_on_bcp, CHECK_NULL); + Handle mt = find_method_handle_type(signature(), accessing_klass, + for_invokeGeneric, + found_on_bcp, CHECK_NULL); KlassHandle mh_klass = SystemDictionaryHandles::MethodHandle_klass(); methodHandle m = methodOopDesc::make_invoke_method(mh_klass, name, signature, mt, CHECK_NULL); @@ -2393,6 +2396,7 @@ // consistent with this loader. Handle SystemDictionary::find_method_handle_type(symbolHandle signature, KlassHandle accessing_klass, + bool for_invokeGeneric, bool& return_bcp_flag, TRAPS) { Handle class_loader, protection_domain; @@ -2448,10 +2452,26 @@ vmSymbols::findMethodHandleType_name(), vmSymbols::findMethodHandleType_signature(), &args, CHECK_(empty)); + Handle method_type(THREAD, (oop) result.get_jobject()); + + if (for_invokeGeneric) { + // call sun.dyn.MethodHandleNatives::notifyGenericMethodType(MethodType) -> void + JavaCallArguments args(Handle(THREAD, method_type())); + JavaValue no_result(T_VOID); + JavaCalls::call_static(&no_result, + SystemDictionary::MethodHandleNatives_klass(), + vmSymbols::notifyGenericMethodType_name(), + vmSymbols::notifyGenericMethodType_signature(), + &args, THREAD); + if (HAS_PENDING_EXCEPTION) { + // If the notification fails, just kill it. + CLEAR_PENDING_EXCEPTION; + } + } // report back to the caller with the MethodType and the "on_bcp" flag return_bcp_flag = is_on_bcp; - return Handle(THREAD, (oop) result.get_jobject()); + return method_type; } // Ask Java code to find or construct a method handle constant. @@ -2466,7 +2486,7 @@ Handle type; if (signature->utf8_length() > 0 && signature->byte_at(0) == '(') { bool ignore_is_on_bcp = false; - type = find_method_handle_type(signature, caller, ignore_is_on_bcp, CHECK_(empty)); + type = find_method_handle_type(signature, caller, false, ignore_is_on_bcp, CHECK_(empty)); } else { SignatureStream ss(signature(), false); if (!ss.is_done()) { diff -r 2966dab85b3e -r a25394352030 src/share/vm/classfile/systemDictionary.hpp --- a/src/share/vm/classfile/systemDictionary.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/classfile/systemDictionary.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -471,6 +471,7 @@ // ask Java to compute a java.dyn.MethodType object for a given signature static Handle find_method_handle_type(symbolHandle signature, KlassHandle accessing_klass, + bool for_invokeGeneric, bool& return_bcp_flag, TRAPS); // ask Java to compute a java.dyn.MethodHandle object for a given CP entry diff -r 2966dab85b3e -r a25394352030 src/share/vm/classfile/vmSymbols.hpp --- a/src/share/vm/classfile/vmSymbols.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/classfile/vmSymbols.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -246,6 +246,8 @@ /* internal up-calls made only by the JVM, via class sun.dyn.MethodHandleNatives: */ \ template(findMethodHandleType_name, "findMethodHandleType") \ template(findMethodHandleType_signature, "(Ljava/lang/Class;[Ljava/lang/Class;)Ljava/dyn/MethodType;") \ + template(notifyGenericMethodType_name, "notifyGenericMethodType") \ + template(notifyGenericMethodType_signature, "(Ljava/dyn/MethodType;)V") \ template(linkMethodHandleConstant_name, "linkMethodHandleConstant") \ template(linkMethodHandleConstant_signature, "(Ljava/lang/Class;ILjava/lang/Class;Ljava/lang/String;Ljava/lang/Object;)Ljava/dyn/MethodHandle;") \ template(makeDynamicCallSite_name, "makeDynamicCallSite") \ @@ -345,6 +347,7 @@ template(ptypes_name, "ptypes") \ template(form_name, "form") \ template(erasedType_name, "erasedType") \ + template(genericInvoker_name, "genericInvoker") \ template(append_name, "append") \ \ /* non-intrinsic name/signature pairs: */ \ diff -r 2966dab85b3e -r a25394352030 src/share/vm/code/nmethod.cpp --- a/src/share/vm/code/nmethod.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/code/nmethod.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -867,9 +867,9 @@ if (compiler() != NULL) { log->print(" compiler='%s'", compiler()->name()); } -#ifdef TIERED - log->print(" level='%d'", comp_level()); -#endif // TIERED + if (TieredCompilation) { + log->print(" level='%d'", comp_level()); + } } @@ -908,35 +908,73 @@ #undef LOG_OFFSET +void nmethod::print_compilation(outputStream *st, const char *method_name, const char *title, + methodOop method, bool is_blocking, int compile_id, int bci, int comp_level) { + bool is_synchronized = false, has_xhandler = false, is_native = false; + int code_size = -1; + if (method != NULL) { + is_synchronized = method->is_synchronized(); + has_xhandler = method->has_exception_handler(); + is_native = method->is_native(); + code_size = method->code_size(); + } + // print compilation number + st->print("%7d %3d", (int)tty->time_stamp().milliseconds(), compile_id); + + // print method attributes + const bool is_osr = bci != InvocationEntryBci; + const char blocking_char = is_blocking ? 'b' : ' '; + const char compile_type = is_osr ? '%' : ' '; + const char sync_char = is_synchronized ? 's' : ' '; + const char exception_char = has_xhandler ? '!' : ' '; + const char native_char = is_native ? 'n' : ' '; + st->print("%c%c%c%c%c ", compile_type, sync_char, exception_char, blocking_char, native_char); + if (TieredCompilation) { + st->print("%d ", comp_level); + } + + // print optional title + bool do_nl = false; + if (title != NULL) { + int tlen = (int) strlen(title); + bool do_nl = false; + if (tlen > 0 && title[tlen-1] == '\n') { tlen--; do_nl = true; } + st->print("%.*s", tlen, title); + } else { + do_nl = true; + } + + // print method name string if given + if (method_name != NULL) { + st->print(method_name); + } else { + // otherwise as the method to print itself + if (method != NULL && !Universe::heap()->is_gc_active()) { + method->print_short_name(st); + } else { + st->print("(method)"); + } + } + + if (method != NULL) { + // print osr_bci if any + if (is_osr) st->print(" @ %d", bci); + // print method size + st->print(" (%d bytes)", code_size); + } + if (do_nl) st->cr(); +} + // Print out more verbose output usually for a newly created nmethod. void nmethod::print_on(outputStream* st, const char* title) const { if (st != NULL) { ttyLocker ttyl; - // Print a little tag line that looks like +PrintCompilation output: - int tlen = (int) strlen(title); - bool do_nl = false; - if (tlen > 0 && title[tlen-1] == '\n') { tlen--; do_nl = true; } - st->print("%3d%c %.*s", - compile_id(), - is_osr_method() ? '%' : - method() != NULL && - is_native_method() ? 'n' : ' ', - tlen, title); -#ifdef TIERED - st->print(" (%d) ", comp_level()); -#endif // TIERED + print_compilation(st, /*method_name*/NULL, title, + method(), /*is_blocking*/false, + compile_id(), + is_osr_method() ? osr_entry_bci() : InvocationEntryBci, + comp_level()); if (WizardMode) st->print(" (" INTPTR_FORMAT ")", this); - if (Universe::heap()->is_gc_active() && method() != NULL) { - st->print("(method)"); - } else if (method() != NULL) { - method()->print_short_name(st); - if (is_osr_method()) - st->print(" @ %d", osr_entry_bci()); - if (method()->code_size() > 0) - st->print(" (%d bytes)", method()->code_size()); - } - - if (do_nl) st->cr(); } } @@ -1137,6 +1175,7 @@ } void nmethod::inc_decompile_count() { + if (!is_compiled_by_c2()) return; // Could be gated by ProfileTraps, but do not bother... methodOop m = method(); if (m == NULL) return; diff -r 2966dab85b3e -r a25394352030 src/share/vm/code/nmethod.hpp --- a/src/share/vm/code/nmethod.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/code/nmethod.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -599,6 +599,10 @@ void verify_scopes(); void verify_interrupt_point(address interrupt_point); + // print compilation helper + static void print_compilation(outputStream *st, const char *method_name, const char *title, + methodOop method, bool is_blocking, int compile_id, int bci, int comp_level); + // printing support void print() const; void print_code(); diff -r 2966dab85b3e -r a25394352030 src/share/vm/compiler/compileBroker.cpp --- a/src/share/vm/compiler/compileBroker.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/compiler/compileBroker.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -123,20 +123,12 @@ int CompileBroker::_sum_nmethod_size = 0; int CompileBroker::_sum_nmethod_code_size = 0; -CompileQueue* CompileBroker::_method_queue = NULL; +CompileQueue* CompileBroker::_c2_method_queue = NULL; +CompileQueue* CompileBroker::_c1_method_queue = NULL; CompileTask* CompileBroker::_task_free_list = NULL; GrowableArray* CompileBroker::_method_threads = NULL; -// CompileTaskWrapper -// -// Assign this task to the current thread. Deallocate the task -// when the compilation is complete. -class CompileTaskWrapper : StackObj { -public: - CompileTaskWrapper(CompileTask* task); - ~CompileTaskWrapper(); -}; CompileTaskWrapper::CompileTaskWrapper(CompileTask* task) { CompilerThread* thread = CompilerThread::current(); @@ -246,6 +238,12 @@ bool_to_str(_is_complete), bool_to_str(_is_success)); } + +void CompileTask::print_compilation(outputStream *st, methodOop method, char* method_name) { + nmethod::print_compilation(st, method_name,/*title*/ NULL, method, + is_blocking(), compile_id(), osr_bci(), comp_level()); +} + // ------------------------------------------------------------------ // CompileTask::print_line_on_error // @@ -258,32 +256,13 @@ // void CompileTask::print_line_on_error(outputStream* st, char* buf, int buflen) { methodOop method = (methodOop)JNIHandles::resolve(_method); - // print compiler name st->print("%s:", CompileBroker::compiler(comp_level())->name()); - - // print compilation number - st->print("%3d", compile_id()); - - // print method attributes - const bool is_osr = osr_bci() != CompileBroker::standard_entry_bci; - { const char blocking_char = is_blocking() ? 'b' : ' '; - const char compile_type = is_osr ? '%' : ' '; - const char sync_char = method->is_synchronized() ? 's' : ' '; - const char exception_char = method->has_exception_handler() ? '!' : ' '; - const char tier_char = - is_highest_tier_compile(comp_level()) ? ' ' : ('0' + comp_level()); - st->print("%c%c%c%c%c ", compile_type, sync_char, exception_char, blocking_char, tier_char); + char* method_name = NULL; + if (method != NULL) { + method_name = method->name_and_sig_as_C_string(buf, buflen); } - - // Use buf to get method name and signature - if (method != NULL) st->print("%s", method->name_and_sig_as_C_string(buf, buflen)); - - // print osr_bci if any - if (is_osr) st->print(" @ %d", osr_bci()); - - // print method size - st->print_cr(" (%d bytes)", method->code_size()); + print_compilation(st, method, method_name); } // ------------------------------------------------------------------ @@ -298,29 +277,7 @@ // print compiler name if requested if (CIPrintCompilerName) tty->print("%s:", CompileBroker::compiler(comp_level())->name()); - - // print compilation number - tty->print("%3d", compile_id()); - - // print method attributes - const bool is_osr = osr_bci() != CompileBroker::standard_entry_bci; - { const char blocking_char = is_blocking() ? 'b' : ' '; - const char compile_type = is_osr ? '%' : ' '; - const char sync_char = method->is_synchronized() ? 's' : ' '; - const char exception_char = method->has_exception_handler() ? '!' : ' '; - const char tier_char = - is_highest_tier_compile(comp_level()) ? ' ' : ('0' + comp_level()); - tty->print("%c%c%c%c%c ", compile_type, sync_char, exception_char, blocking_char, tier_char); - } - - // print method name - method->print_short_name(tty); - - // print osr_bci if any - if (is_osr) tty->print(" @ %d", osr_bci()); - - // print method size - tty->print_cr(" (%d bytes)", method->code_size()); + print_compilation(tty, method(), NULL); } @@ -427,6 +384,7 @@ assert(lock()->owned_by_self(), "must own lock"); task->set_next(NULL); + task->set_prev(NULL); if (_last == NULL) { // The compile queue is empty. @@ -437,8 +395,10 @@ // Append the task to the queue. assert(_last->next() == NULL, "not last"); _last->set_next(task); + task->set_prev(_last); _last = task; } + ++_size; // Mark the method as being in the compile queue. ((methodOop)JNIHandles::resolve(task->method_handle()))->set_queued_for_compilation(); @@ -452,10 +412,9 @@ } // Notify CompilerThreads that a task is available. - lock()->notify(); + lock()->notify_all(); } - // ------------------------------------------------------------------ // CompileQueue::get // @@ -464,7 +423,6 @@ NMethodSweeper::possibly_sweep(); MutexLocker locker(lock()); - // Wait for an available CompileTask. while (_first == NULL) { // There is no work to be done right now. Wait. @@ -481,20 +439,32 @@ lock()->wait(); } } - - CompileTask* task = _first; + CompileTask* task = CompilationPolicy::policy()->select_task(this); + remove(task); + return task; +} - // Update queue first and last - _first =_first->next(); - if (_first == NULL) { - _last = NULL; +void CompileQueue::remove(CompileTask* task) +{ + assert(lock()->owned_by_self(), "must own lock"); + if (task->prev() != NULL) { + task->prev()->set_next(task->next()); + } else { + // max is the first element + assert(task == _first, "Sanity"); + _first = task->next(); } - return task; - + if (task->next() != NULL) { + task->next()->set_prev(task->prev()); + } else { + // max is the last element + assert(task == _last, "Sanity"); + _last = task->prev(); + } + --_size; } - // ------------------------------------------------------------------ // CompileQueue::print void CompileQueue::print() { @@ -545,7 +515,6 @@ } } - // ------------------------------------------------------------------ // CompileBroker::compilation_init // @@ -554,18 +523,18 @@ _last_method_compiled[0] = '\0'; // Set the interface to the current compiler(s). + int c1_count = CompilationPolicy::policy()->compiler_count(CompLevel_simple); + int c2_count = CompilationPolicy::policy()->compiler_count(CompLevel_full_optimization); #ifdef COMPILER1 - _compilers[0] = new Compiler(); -#ifndef COMPILER2 - _compilers[1] = _compilers[0]; -#endif + if (c1_count > 0) { + _compilers[0] = new Compiler(); + } #endif // COMPILER1 #ifdef COMPILER2 - _compilers[1] = new C2Compiler(); -#ifndef COMPILER1 - _compilers[0] = _compilers[1]; -#endif + if (c2_count > 0) { + _compilers[1] = new C2Compiler(); + } #endif // COMPILER2 #ifdef SHARK @@ -580,9 +549,7 @@ _task_free_list = NULL; // Start the CompilerThreads - init_compiler_threads(compiler_count()); - - + init_compiler_threads(c1_count, c2_count); // totalTime performance counter is always created as it is required // by the implementation of java.lang.management.CompilationMBean. { @@ -770,23 +737,38 @@ // CompileBroker::init_compiler_threads // // Initialize the compilation queue -void CompileBroker::init_compiler_threads(int compiler_count) { +void CompileBroker::init_compiler_threads(int c1_compiler_count, int c2_compiler_count) { EXCEPTION_MARK; + assert(c2_compiler_count > 0 || c1_compiler_count > 0, "No compilers?"); + if (c2_compiler_count > 0) { + _c2_method_queue = new CompileQueue("C2MethodQueue", MethodCompileQueue_lock); + } + if (c1_compiler_count > 0) { + _c1_method_queue = new CompileQueue("C1MethodQueue", MethodCompileQueue_lock); + } - _method_queue = new CompileQueue("MethodQueue", MethodCompileQueue_lock); + int compiler_count = c1_compiler_count + c2_compiler_count; + _method_threads = new (ResourceObj::C_HEAP) GrowableArray(compiler_count, true); char name_buffer[256]; - int i; - for (i = 0; i < compiler_count; i++) { + for (int i = 0; i < c2_compiler_count; i++) { // Create a name for our thread. - sprintf(name_buffer, "CompilerThread%d", i); + sprintf(name_buffer, "C2 CompilerThread%d", i); CompilerCounters* counters = new CompilerCounters("compilerThread", i, CHECK); - - CompilerThread* new_thread = make_compiler_thread(name_buffer, _method_queue, counters, CHECK); + CompilerThread* new_thread = make_compiler_thread(name_buffer, _c2_method_queue, counters, CHECK); _method_threads->append(new_thread); } + + for (int i = c2_compiler_count; i < compiler_count; i++) { + // Create a name for our thread. + sprintf(name_buffer, "C1 CompilerThread%d", i); + CompilerCounters* counters = new CompilerCounters("compilerThread", i, CHECK); + CompilerThread* new_thread = make_compiler_thread(name_buffer, _c1_method_queue, counters, CHECK); + _method_threads->append(new_thread); + } + if (UsePerfData) { PerfDataManager::create_constant(SUN_CI, "threads", PerfData::U_Bytes, compiler_count, CHECK); @@ -796,7 +778,9 @@ // ------------------------------------------------------------------ // CompileBroker::is_idle bool CompileBroker::is_idle() { - if (!_method_queue->is_empty()) { + if (_c2_method_queue != NULL && !_c2_method_queue->is_empty()) { + return false; + } else if (_c1_method_queue != NULL && !_c1_method_queue->is_empty()) { return false; } else { int num_threads = _method_threads->length(); @@ -859,6 +843,7 @@ return; } + // If this method is already in the compile queue, then // we do not block the current thread. if (compilation_is_in_queue(method, osr_bci)) { @@ -876,10 +861,11 @@ // Outputs from the following MutexLocker block: CompileTask* task = NULL; bool blocking = false; + CompileQueue* queue = compile_queue(comp_level); // Acquire our lock. { - MutexLocker locker(_method_queue->lock(), THREAD); + MutexLocker locker(queue->lock(), THREAD); // Make sure the method has not slipped into the queues since // last we checked; note that those checks were "fast bail-outs". @@ -945,7 +931,7 @@ // and in that case it's best to protect both the testing (here) of // these bits, and their updating (here and elsewhere) under a // common lock. - task = create_compile_task(_method_queue, + task = create_compile_task(queue, compile_id, method, osr_bci, comp_level, hot_method, hot_count, comment, @@ -959,6 +945,7 @@ nmethod* CompileBroker::compile_method(methodHandle method, int osr_bci, + int comp_level, methodHandle hot_method, int hot_count, const char* comment, TRAPS) { // make sure arguments make sense @@ -967,26 +954,9 @@ assert(!method->is_abstract() && (osr_bci == InvocationEntryBci || !method->is_native()), "cannot compile abstract/native methods"); assert(!instanceKlass::cast(method->method_holder())->is_not_initialized(), "method holder must be initialized"); - int comp_level = CompilationPolicy::policy()->compilation_level(method, osr_bci); - -#ifdef TIERED - if (TieredCompilation && StressTieredRuntime) { - static int flipper = 0; - if (is_even(flipper++)) { - comp_level = CompLevel_fast_compile; - } else { - comp_level = CompLevel_full_optimization; - } + if (!TieredCompilation) { + comp_level = CompLevel_highest_tier; } -#ifdef SPARC - // QQQ FIX ME - // C2 only returns long results in G1 and c1 doesn't understand so disallow c2 - // compiles of long results - if (TieredCompilation && method()->result_type() == T_LONG) { - comp_level = CompLevel_fast_compile; - } -#endif // SPARC -#endif // TIERED // return quickly if possible @@ -1000,12 +970,10 @@ if (osr_bci == InvocationEntryBci) { // standard compilation nmethod* method_code = method->code(); - if (method_code != NULL -#ifdef TIERED - && ( method_code->is_compiled_by_c2() || comp_level == CompLevel_fast_compile ) -#endif // TIERED - ) { - return method_code; + if (method_code != NULL) { + if (compilation_is_complete(method, osr_bci, comp_level)) { + return method_code; + } } if (method->is_not_compilable(comp_level)) return NULL; @@ -1021,10 +989,11 @@ // osr compilation #ifndef TIERED // seems like an assert of dubious value - assert(comp_level == CompLevel_full_optimization, + assert(comp_level == CompLevel_highest_tier, "all OSR compiles are assumed to be at a single compilation lavel"); #endif // TIERED - nmethod* nm = method->lookup_osr_nmethod_for(osr_bci); + // We accept a higher level osr method + nmethod* nm = method->lookup_osr_nmethod_for(osr_bci, comp_level, false); if (nm != NULL) return nm; if (method->is_not_osr_compilable()) return NULL; } @@ -1071,8 +1040,7 @@ // If the compiler is shut off due to code cache flushing or otherwise, // fail out now so blocking compiles dont hang the java thread if (!should_compile_new_jobs() || (UseCodeCacheFlushing && CodeCache::needs_flushing())) { - method->invocation_counter()->decay(); - method->backedge_counter()->decay(); + CompilationPolicy::policy()->delay_compilation(method()); return NULL; } @@ -1088,7 +1056,8 @@ } // return requested nmethod - return osr_bci == InvocationEntryBci ? method->code() : method->lookup_osr_nmethod_for(osr_bci); + // We accept a higher level osr method + return osr_bci == InvocationEntryBci ? method->code() : method->lookup_osr_nmethod_for(osr_bci, comp_level, false); } @@ -1104,7 +1073,7 @@ if (method->is_not_osr_compilable()) { return true; } else { - nmethod* result = method->lookup_osr_nmethod_for(osr_bci); + nmethod* result = method->lookup_osr_nmethod_for(osr_bci, comp_level, true); return (result != NULL); } } else { @@ -1113,15 +1082,7 @@ } else { nmethod* result = method->code(); if (result == NULL) return false; -#ifdef TIERED - if (comp_level == CompLevel_fast_compile) { - // At worst the code is from c1 - return true; - } - // comp level must be full opt - return result->is_compiled_by_c2(); -#endif // TIERED - return true; + return comp_level == result->comp_level(); } } } @@ -1139,11 +1100,10 @@ // versa). This can be remedied by a full queue search to disambiguate // cases. If it is deemed profitible, this may be done. bool CompileBroker::compilation_is_in_queue(methodHandle method, - int osr_bci) { + int osr_bci) { return method->queued_for_compilation(); } - // ------------------------------------------------------------------ // CompileBroker::compilation_is_prohibited // @@ -1151,11 +1111,9 @@ bool CompileBroker::compilation_is_prohibited(methodHandle method, int osr_bci, int comp_level) { bool is_native = method->is_native(); // Some compilers may not support the compilation of natives. - // QQQ this needs some work ought to only record not compilable at - // the specified level if (is_native && (!CICompileNatives || !compiler(comp_level)->supports_native())) { - method->set_not_compilable_quietly(); + method->set_not_compilable_quietly(comp_level); return true; } @@ -1194,7 +1152,7 @@ // compilations may be numbered separately from regular compilations // if certain debugging flags are used. uint CompileBroker::assign_compile_id(methodHandle method, int osr_bci) { - assert(_method_queue->lock()->owner() == JavaThread::current(), + assert(MethodCompileQueue_lock->owner() == Thread::current(), "must hold the compilation queue lock"); bool is_osr = (osr_bci != standard_entry_bci); assert(!method->is_native(), "no longer compile natives"); @@ -1643,7 +1601,6 @@ #endif } - // ------------------------------------------------------------------ // CompileBroker::handle_full_code_cache // @@ -1883,12 +1840,12 @@ CompileBroker::_t_standard_compilation.seconds() / CompileBroker::_total_standard_compile_count); tty->print_cr(" On stack replacement : %6.3f s, Average : %2.3f", CompileBroker::_t_osr_compilation.seconds(), CompileBroker::_t_osr_compilation.seconds() / CompileBroker::_total_osr_compile_count); - if (compiler(CompLevel_fast_compile)) { - compiler(CompLevel_fast_compile)->print_timers(); - if (compiler(CompLevel_fast_compile) != compiler(CompLevel_highest_tier)) - compiler(CompLevel_highest_tier)->print_timers(); + if (compiler(CompLevel_simple) != NULL) { + compiler(CompLevel_simple)->print_timers(); } - + if (compiler(CompLevel_full_optimization) != NULL) { + compiler(CompLevel_full_optimization)->print_timers(); + } tty->cr(); int tcb = CompileBroker::_sum_osr_bytes_compiled + CompileBroker::_sum_standard_bytes_compiled; tty->print_cr(" Total compiled bytecodes : %6d bytes", tcb); diff -r 2966dab85b3e -r a25394352030 src/share/vm/compiler/compileBroker.hpp --- a/src/share/vm/compiler/compileBroker.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/compiler/compileBroker.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1999, 2006, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -41,7 +41,7 @@ int _comp_level; int _num_inlined_bytecodes; nmethodLocker* _code_handle; // holder of eventual result - CompileTask* _next; + CompileTask* _next, *_prev; // Fields used for logging why the compilation was initiated: jlong _time_queued; // in units of os::elapsed_counter() @@ -49,6 +49,7 @@ int _hot_count; // information about its invocation counter const char* _comment; // more info about the task + void print_compilation(outputStream *st, methodOop method, char* method_name); public: CompileTask() { _lock = new Monitor(Mutex::nonleaf+2, "CompileTaskLock"); @@ -85,15 +86,17 @@ CompileTask* next() const { return _next; } void set_next(CompileTask* next) { _next = next; } + CompileTask* prev() const { return _prev; } + void set_prev(CompileTask* prev) { _prev = prev; } void print(); void print_line(); + void print_line_on_error(outputStream* st, char* buf, int buflen); void log_task(xmlStream* log); void log_task_queued(); void log_task_start(CompileLog* log); void log_task_done(CompileLog* log); - }; // CompilerCounters @@ -141,7 +144,6 @@ PerfCounter* compile_counter() { return _perf_compiles; } }; - // CompileQueue // // A list of CompileTasks. @@ -153,26 +155,42 @@ CompileTask* _first; CompileTask* _last; + int _size; public: CompileQueue(const char* name, Monitor* lock) { _name = name; _lock = lock; _first = NULL; _last = NULL; + _size = 0; } const char* name() const { return _name; } Monitor* lock() const { return _lock; } void add(CompileTask* task); + void remove(CompileTask* task); + CompileTask* first() { return _first; } + CompileTask* last() { return _last; } CompileTask* get(); bool is_empty() const { return _first == NULL; } + int size() const { return _size; } void print(); }; +// CompileTaskWrapper +// +// Assign this task to the current thread. Deallocate the task +// when the compilation is complete. +class CompileTaskWrapper : StackObj { +public: + CompileTaskWrapper(CompileTask* task); + ~CompileTaskWrapper(); +}; + // Compilation // @@ -208,7 +226,8 @@ static int _last_compile_level; static char _last_method_compiled[name_buffer_length]; - static CompileQueue* _method_queue; + static CompileQueue* _c2_method_queue; + static CompileQueue* _c1_method_queue; static CompileTask* _task_free_list; static GrowableArray* _method_threads; @@ -256,19 +275,9 @@ static int _sum_nmethod_size; static int _sum_nmethod_code_size; - static int compiler_count() { - return CICompilerCountPerCPU - // Example: if CICompilerCountPerCPU is true, then we get - // max(log2(8)-1,1) = 2 compiler threads on an 8-way machine. - // May help big-app startup time. - ? (MAX2(log2_intptr(os::active_processor_count())-1,1)) - : CICompilerCount; - } - static CompilerThread* make_compiler_thread(const char* name, CompileQueue* queue, CompilerCounters* counters, TRAPS); - static void init_compiler_threads(int compiler_count); + static void init_compiler_threads(int c1_compiler_count, int c2_compiler_count); static bool compilation_is_complete (methodHandle method, int osr_bci, int comp_level); - static bool compilation_is_in_queue (methodHandle method, int osr_bci); static bool compilation_is_prohibited(methodHandle method, int osr_bci, int comp_level); static uint assign_compile_id (methodHandle method, int osr_bci); static bool is_compile_blocking (methodHandle method, int osr_bci); @@ -301,23 +310,35 @@ int hot_count, const char* comment, TRAPS); - + static CompileQueue* compile_queue(int comp_level) { + if (is_c2_compile(comp_level)) return _c2_method_queue; + if (is_c1_compile(comp_level)) return _c1_method_queue; + return NULL; + } public: enum { // The entry bci used for non-OSR compilations. standard_entry_bci = InvocationEntryBci }; - static AbstractCompiler* compiler(int level ) { - if (level == CompLevel_fast_compile) return _compilers[0]; - assert(level == CompLevel_highest_tier, "what level?"); - return _compilers[1]; + static AbstractCompiler* compiler(int comp_level) { + if (is_c2_compile(comp_level)) return _compilers[1]; // C2 + if (is_c1_compile(comp_level)) return _compilers[0]; // C1 + return NULL; } + static bool compilation_is_in_queue(methodHandle method, int osr_bci); + static int queue_size(int comp_level) { + CompileQueue *q = compile_queue(comp_level); + return q != NULL ? q->size() : 0; + } static void compilation_init(); static void init_compiler_thread_log(); - static nmethod* compile_method(methodHandle method, int osr_bci, - methodHandle hot_method, int hot_count, + static nmethod* compile_method(methodHandle method, + int osr_bci, + int comp_level, + methodHandle hot_method, + int hot_count, const char* comment, TRAPS); static void compiler_thread_loop(); diff -r 2966dab85b3e -r a25394352030 src/share/vm/includeDB_compiler1 --- a/src/share/vm/includeDB_compiler1 Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/includeDB_compiler1 Wed Sep 22 12:54:51 2010 -0400 @@ -19,7 +19,6 @@ // Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA // or visit www.oracle.com if you need additional information or have any // questions. -// // // NOTE: DO NOT CHANGE THIS COPYRIGHT TO NEW STYLE - IT WILL BREAK makeDeps! diff -r 2966dab85b3e -r a25394352030 src/share/vm/includeDB_compiler2 --- a/src/share/vm/includeDB_compiler2 Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/includeDB_compiler2 Wed Sep 22 12:54:51 2010 -0400 @@ -1,5 +1,5 @@ // -// Copyright (c) 2000, 2009, Oracle and/or its affiliates. All rights reserved. +// Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved. // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. // // This code is free software; you can redistribute it and/or modify it diff -r 2966dab85b3e -r a25394352030 src/share/vm/includeDB_core --- a/src/share/vm/includeDB_core Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/includeDB_core Wed Sep 22 12:54:51 2010 -0400 @@ -1081,6 +1081,8 @@ compilationPolicy.cpp nmethod.hpp compilationPolicy.cpp oop.inline.hpp compilationPolicy.cpp rframe.hpp +compilationPolicy.cpp scopeDesc.hpp +compilationPolicy.cpp simpleThresholdPolicy.hpp compilationPolicy.cpp stubRoutines.hpp compilationPolicy.cpp thread.hpp compilationPolicy.cpp timer.hpp @@ -1451,6 +1453,7 @@ deoptimization.cpp allocation.inline.hpp deoptimization.cpp biasedLocking.hpp deoptimization.cpp bytecode.hpp +deoptimization.cpp compilationPolicy.hpp deoptimization.cpp debugInfoRec.hpp deoptimization.cpp deoptimization.hpp deoptimization.cpp events.hpp @@ -2172,6 +2175,7 @@ interpreterRuntime.cpp biasedLocking.hpp interpreterRuntime.cpp collectedHeap.hpp +interpreterRuntime.cpp compileBroker.hpp interpreterRuntime.cpp compilationPolicy.hpp interpreterRuntime.cpp constantPoolOop.hpp interpreterRuntime.cpp cpCacheOop.hpp @@ -2829,6 +2833,7 @@ methodDataOop.cpp bytecode.hpp methodDataOop.cpp bytecodeStream.hpp +methodDataOop.cpp compilationPolicy.hpp methodDataOop.cpp deoptimization.hpp methodDataOop.cpp handles.inline.hpp methodDataOop.cpp linkResolver.hpp @@ -2841,6 +2846,7 @@ methodDataOop.hpp oop.hpp methodDataOop.hpp orderAccess.hpp methodDataOop.hpp universe.hpp +methodDataOop.hpp methodOop.hpp methodHandleWalk.hpp methodHandles.hpp @@ -2906,6 +2912,7 @@ methodOop.cpp bytecodeTracer.hpp methodOop.cpp bytecodes.hpp methodOop.cpp collectedHeap.inline.hpp +methodOop.cpp compilationPolicy.hpp methodOop.cpp debugInfoRec.hpp methodOop.cpp frame.inline.hpp methodOop.cpp gcLocker.hpp @@ -3655,6 +3662,7 @@ safepoint.cpp codeCache.hpp safepoint.cpp collectedHeap.hpp +safepoint.cpp compilationPolicy.hpp safepoint.cpp deoptimization.hpp safepoint.cpp events.hpp safepoint.cpp frame.inline.hpp @@ -3799,6 +3807,17 @@ signature.hpp methodOop.hpp signature.hpp top.hpp +simpleThresholdPolicy.cpp arguments.hpp +simpleThresholdPolicy.cpp compileBroker.hpp +simpleThresholdPolicy.cpp resourceArea.hpp +simpleThresholdPolicy.cpp simpleThresholdPolicy.hpp +simpleThresholdPolicy.cpp simpleThresholdPolicy.inline.hpp + +simpleThresholdPolicy.hpp compilationPolicy.hpp +simpleThresholdPolicy.hpp globalDefinitions.hpp +simpleThresholdPolicy.hpp methodDataOop.hpp +simpleThresholdPolicy.hpp nmethod.hpp + sizes.cpp sizes.hpp sizes.hpp allocation.hpp @@ -3977,6 +3996,7 @@ sweeper.cpp atomic.hpp sweeper.cpp codeCache.hpp +sweeper.cpp compilationPolicy.hpp sweeper.cpp compileBroker.hpp sweeper.cpp events.hpp sweeper.cpp methodOop.hpp diff -r 2966dab85b3e -r a25394352030 src/share/vm/interpreter/interpreterRuntime.cpp --- a/src/share/vm/interpreter/interpreterRuntime.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/interpreter/interpreterRuntime.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -200,6 +200,7 @@ void InterpreterRuntime::note_trap(JavaThread* thread, int reason, TRAPS) { assert(ProfileTraps, "call me only if profiling"); methodHandle trap_method(thread, method(thread)); + if (trap_method.not_null()) { methodDataHandle trap_mdo(thread, trap_method->method_data()); if (trap_mdo.is_null()) { @@ -777,43 +778,6 @@ // Miscellaneous -#ifndef PRODUCT -static void trace_frequency_counter_overflow(methodHandle m, int branch_bci, int bci, address branch_bcp) { - if (TraceInvocationCounterOverflow) { - InvocationCounter* ic = m->invocation_counter(); - InvocationCounter* bc = m->backedge_counter(); - ResourceMark rm; - const char* msg = - branch_bcp == NULL - ? "comp-policy cntr ovfl @ %d in entry of " - : "comp-policy cntr ovfl @ %d in loop of "; - tty->print(msg, bci); - m->print_value(); - tty->cr(); - ic->print(); - bc->print(); - if (ProfileInterpreter) { - if (branch_bcp != NULL) { - methodDataOop mdo = m->method_data(); - if (mdo != NULL) { - int count = mdo->bci_to_data(branch_bci)->as_JumpData()->taken(); - tty->print_cr("back branch count = %d", count); - } - } - } - } -} - -static void trace_osr_request(methodHandle method, nmethod* osr, int bci) { - if (TraceOnStackReplacement) { - ResourceMark rm; - tty->print(osr != NULL ? "Reused OSR entry for " : "Requesting OSR entry for "); - method->print_short_name(tty); - tty->print_cr(" at bci %d", bci); - } -} -#endif // !PRODUCT - nmethod* InterpreterRuntime::frequency_counter_overflow(JavaThread* thread, address branch_bcp) { nmethod* nm = frequency_counter_overflow_inner(thread, branch_bcp); assert(branch_bcp != NULL || nm == NULL, "always returns null for non OSR requests"); @@ -826,7 +790,7 @@ frame fr = thread->last_frame(); methodOop method = fr.interpreter_frame_method(); int bci = method->bci_from(fr.interpreter_frame_bcp()); - nm = method->lookup_osr_nmethod_for(bci); + nm = method->lookup_osr_nmethod_for(bci, CompLevel_none, false); } return nm; } @@ -840,74 +804,32 @@ frame fr = thread->last_frame(); assert(fr.is_interpreted_frame(), "must come from interpreter"); methodHandle method(thread, fr.interpreter_frame_method()); - const int branch_bci = branch_bcp != NULL ? method->bci_from(branch_bcp) : 0; - const int bci = method->bci_from(fr.interpreter_frame_bcp()); - NOT_PRODUCT(trace_frequency_counter_overflow(method, branch_bci, bci, branch_bcp);) + const int branch_bci = branch_bcp != NULL ? method->bci_from(branch_bcp) : InvocationEntryBci; + const int bci = branch_bcp != NULL ? method->bci_from(fr.interpreter_frame_bcp()) : InvocationEntryBci; + + nmethod* osr_nm = CompilationPolicy::policy()->event(method, method, branch_bci, bci, CompLevel_none, thread); - if (JvmtiExport::can_post_interpreter_events()) { - if (thread->is_interp_only_mode()) { - // If certain JVMTI events (e.g. frame pop event) are requested then the - // thread is forced to remain in interpreted code. This is - // implemented partly by a check in the run_compiled_code - // section of the interpreter whether we should skip running - // compiled code, and partly by skipping OSR compiles for - // interpreted-only threads. - if (branch_bcp != NULL) { - CompilationPolicy::policy()->reset_counter_for_back_branch_event(method); - return NULL; + if (osr_nm != NULL) { + // We may need to do on-stack replacement which requires that no + // monitors in the activation are biased because their + // BasicObjectLocks will need to migrate during OSR. Force + // unbiasing of all monitors in the activation now (even though + // the OSR nmethod might be invalidated) because we don't have a + // safepoint opportunity later once the migration begins. + if (UseBiasedLocking) { + ResourceMark rm; + GrowableArray* objects_to_revoke = new GrowableArray(); + for( BasicObjectLock *kptr = fr.interpreter_frame_monitor_end(); + kptr < fr.interpreter_frame_monitor_begin(); + kptr = fr.next_monitor_in_interpreter_frame(kptr) ) { + if( kptr->obj() != NULL ) { + objects_to_revoke->append(Handle(THREAD, kptr->obj())); + } } + BiasedLocking::revoke(objects_to_revoke); } } - - if (branch_bcp == NULL) { - // when code cache is full, compilation gets switched off, UseCompiler - // is set to false - if (!method->has_compiled_code() && UseCompiler) { - CompilationPolicy::policy()->method_invocation_event(method, CHECK_NULL); - } else { - // Force counter overflow on method entry, even if no compilation - // happened. (The method_invocation_event call does this also.) - CompilationPolicy::policy()->reset_counter_for_invocation_event(method); - } - // compilation at an invocation overflow no longer goes and retries test for - // compiled method. We always run the loser of the race as interpreted. - // so return NULL - return NULL; - } else { - // counter overflow in a loop => try to do on-stack-replacement - nmethod* osr_nm = method->lookup_osr_nmethod_for(bci); - NOT_PRODUCT(trace_osr_request(method, osr_nm, bci);) - // when code cache is full, we should not compile any more... - if (osr_nm == NULL && UseCompiler) { - const int branch_bci = method->bci_from(branch_bcp); - CompilationPolicy::policy()->method_back_branch_event(method, branch_bci, bci, CHECK_NULL); - osr_nm = method->lookup_osr_nmethod_for(bci); - } - if (osr_nm == NULL) { - CompilationPolicy::policy()->reset_counter_for_back_branch_event(method); - return NULL; - } else { - // We may need to do on-stack replacement which requires that no - // monitors in the activation are biased because their - // BasicObjectLocks will need to migrate during OSR. Force - // unbiasing of all monitors in the activation now (even though - // the OSR nmethod might be invalidated) because we don't have a - // safepoint opportunity later once the migration begins. - if (UseBiasedLocking) { - ResourceMark rm; - GrowableArray* objects_to_revoke = new GrowableArray(); - for( BasicObjectLock *kptr = fr.interpreter_frame_monitor_end(); - kptr < fr.interpreter_frame_monitor_begin(); - kptr = fr.next_monitor_in_interpreter_frame(kptr) ) { - if( kptr->obj() != NULL ) { - objects_to_revoke->append(Handle(THREAD, kptr->obj())); - } - } - BiasedLocking::revoke(objects_to_revoke); - } - return osr_nm; - } - } + return osr_nm; IRT_END IRT_LEAF(jint, InterpreterRuntime::bcp_to_di(methodOopDesc* method, address cur_bcp)) diff -r 2966dab85b3e -r a25394352030 src/share/vm/interpreter/invocationCounter.cpp --- a/src/share/vm/interpreter/invocationCounter.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/interpreter/invocationCounter.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2009, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -40,8 +40,7 @@ } void InvocationCounter::set_carry() { - _counter |= carry_mask; - + set_carry_flag(); // The carry bit now indicates that this counter had achieved a very // large value. Now reduce the value, so that the method can be // executed many more times before re-entering the VM. @@ -52,7 +51,6 @@ if (old_count != new_count) set(state(), new_count); } - void InvocationCounter::set_state(State state) { assert(0 <= state && state < number_of_states, "illegal state"); int init = _init[state]; @@ -82,11 +80,6 @@ int InvocationCounter::InterpreterBackwardBranchLimit; int InvocationCounter::InterpreterProfileLimit; -// Tier1 limits -int InvocationCounter::Tier1InvocationLimit; -int InvocationCounter::Tier1BackEdgeLimit; - - const char* InvocationCounter::state_as_string(State state) { switch (state) { @@ -146,8 +139,6 @@ InterpreterInvocationLimit = CompileThreshold << number_of_noncount_bits; InterpreterProfileLimit = ((CompileThreshold * InterpreterProfilePercentage) / 100)<< number_of_noncount_bits; - Tier1InvocationLimit = Tier2CompileThreshold << number_of_noncount_bits; - Tier1BackEdgeLimit = Tier2BackEdgeThreshold << number_of_noncount_bits; // When methodData is collected, the backward branch limit is compared against a // methodData counter, rather than an InvocationCounter. In the former case, we diff -r 2966dab85b3e -r a25394352030 src/share/vm/interpreter/invocationCounter.hpp --- a/src/share/vm/interpreter/invocationCounter.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/interpreter/invocationCounter.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2006, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -43,7 +43,6 @@ number_of_count_bits = BitsPerInt - number_of_noncount_bits, state_limit = nth_bit(number_of_state_bits), count_grain = nth_bit(number_of_state_bits + number_of_carry_bits), - count_limit = nth_bit(number_of_count_bits - 1), carry_mask = right_n_bits(number_of_carry_bits) << number_of_state_bits, state_mask = right_n_bits(number_of_state_bits), status_mask = right_n_bits(number_of_state_bits + number_of_carry_bits), @@ -52,18 +51,16 @@ public: static int InterpreterInvocationLimit; // CompileThreshold scaled for interpreter use - static int Tier1InvocationLimit; // CompileThreshold scaled for tier1 use - static int Tier1BackEdgeLimit; // BackEdgeThreshold scaled for tier1 use - static int InterpreterBackwardBranchLimit; // A separate threshold for on stack replacement - static int InterpreterProfileLimit; // Profiling threshold scaled for interpreter use typedef address (*Action)(methodHandle method, TRAPS); enum PublicConstants { count_increment = count_grain, // use this value to increment the 32bit _counter word - count_mask_value = count_mask // use this value to mask the backedge counter + count_mask_value = count_mask, // use this value to mask the backedge counter + count_shift = number_of_noncount_bits, + count_limit = nth_bit(number_of_count_bits - 1) }; enum State { @@ -79,6 +76,7 @@ inline void set(State state, int count); // sets state and counter inline void decay(); // decay counter (divide by two) void set_carry(); // set the sticky carry bit + void set_carry_flag() { _counter |= carry_mask; } // Accessors State state() const { return (State)(_counter & state_mask); } @@ -135,3 +133,4 @@ if (c > 0 && new_count == 0) new_count = 1; set(state(), new_count); } + diff -r 2966dab85b3e -r a25394352030 src/share/vm/interpreter/linkResolver.cpp --- a/src/share/vm/interpreter/linkResolver.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/interpreter/linkResolver.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2009, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -83,12 +83,12 @@ _resolved_method = resolved_method; _selected_method = selected_method; _vtable_index = vtable_index; - if (CompilationPolicy::mustBeCompiled(selected_method)) { + if (CompilationPolicy::must_be_compiled(selected_method)) { // This path is unusual, mostly used by the '-Xcomp' stress test mode. - // Note: with several active threads, the mustBeCompiled may be true - // while canBeCompiled is false; remove assert - // assert(CompilationPolicy::canBeCompiled(selected_method), "cannot compile"); + // Note: with several active threads, the must_be_compiled may be true + // while can_be_compiled is false; remove assert + // assert(CompilationPolicy::can_be_compiled(selected_method), "cannot compile"); if (THREAD->is_Compiler_thread()) { // don't force compilation, resolve was on behalf of compiler return; @@ -104,7 +104,8 @@ return; } CompileBroker::compile_method(selected_method, InvocationEntryBci, - methodHandle(), 0, "mustBeCompiled", CHECK); + CompLevel_initial_compile, + methodHandle(), 0, "must_be_compiled", CHECK); } } diff -r 2966dab85b3e -r a25394352030 src/share/vm/memory/collectorPolicy.cpp --- a/src/share/vm/memory/collectorPolicy.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/memory/collectorPolicy.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -32,7 +32,11 @@ MaxPermSize = PermSize; } PermSize = MAX2(min_alignment(), align_size_down_(PermSize, min_alignment())); - MaxPermSize = align_size_up(MaxPermSize, max_alignment()); + // Don't increase Perm size limit above specified. + MaxPermSize = align_size_down(MaxPermSize, max_alignment()); + if (PermSize > MaxPermSize) { + PermSize = MaxPermSize; + } MinPermHeapExpansion = MAX2(min_alignment(), align_size_down_(MinPermHeapExpansion, min_alignment())); MaxPermHeapExpansion = MAX2(min_alignment(), align_size_down_(MaxPermHeapExpansion, min_alignment())); diff -r 2966dab85b3e -r a25394352030 src/share/vm/memory/referenceProcessor.hpp --- a/src/share/vm/memory/referenceProcessor.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/memory/referenceProcessor.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2001, 2008, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -346,7 +346,8 @@ bool _was_discovering_refs; public: NoRefDiscovery(ReferenceProcessor* rp) : _rp(rp) { - if (_was_discovering_refs = _rp->discovery_enabled()) { + _was_discovering_refs = _rp->discovery_enabled(); + if (_was_discovering_refs) { _rp->disable_discovery(); } } diff -r 2966dab85b3e -r a25394352030 src/share/vm/oops/constantPoolOop.cpp --- a/src/share/vm/oops/constantPoolOop.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/oops/constantPoolOop.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -466,6 +466,7 @@ bool ignore_is_on_bcp = false; Handle value = SystemDictionary::find_method_handle_type(signature, klass, + false, ignore_is_on_bcp, CHECK_NULL); result_oop = value(); diff -r 2966dab85b3e -r a25394352030 src/share/vm/oops/instanceKlass.cpp --- a/src/share/vm/oops/instanceKlass.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/oops/instanceKlass.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2009, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -2200,8 +2200,23 @@ assert(n->is_osr_method(), "wrong kind of nmethod"); n->set_osr_link(osr_nmethods_head()); set_osr_nmethods_head(n); + // Raise the highest osr level if necessary + if (TieredCompilation) { + methodOop m = n->method(); + m->set_highest_osr_comp_level(MAX2(m->highest_osr_comp_level(), n->comp_level())); + } // Remember to unlock again OsrList_lock->unlock(); + + // Get rid of the osr methods for the same bci that have lower levels. + if (TieredCompilation) { + for (int l = CompLevel_limited_profile; l < n->comp_level(); l++) { + nmethod *inv = lookup_osr_nmethod(n->method(), n->osr_entry_bci(), l, true); + if (inv != NULL && inv->is_in_use()) { + inv->make_not_entrant(); + } + } + } } @@ -2211,39 +2226,79 @@ assert(n->is_osr_method(), "wrong kind of nmethod"); nmethod* last = NULL; nmethod* cur = osr_nmethods_head(); + int max_level = CompLevel_none; // Find the max comp level excluding n + methodOop m = n->method(); // Search for match while(cur != NULL && cur != n) { + if (TieredCompilation) { + // Find max level before n + max_level = MAX2(max_level, cur->comp_level()); + } last = cur; cur = cur->osr_link(); } + nmethod* next = NULL; if (cur == n) { + next = cur->osr_link(); if (last == NULL) { // Remove first element - set_osr_nmethods_head(osr_nmethods_head()->osr_link()); + set_osr_nmethods_head(next); } else { - last->set_osr_link(cur->osr_link()); + last->set_osr_link(next); } } n->set_osr_link(NULL); + if (TieredCompilation) { + cur = next; + while (cur != NULL) { + // Find max level after n + max_level = MAX2(max_level, cur->comp_level()); + cur = cur->osr_link(); + } + m->set_highest_osr_comp_level(max_level); + } // Remember to unlock again OsrList_lock->unlock(); } -nmethod* instanceKlass::lookup_osr_nmethod(const methodOop m, int bci) const { +nmethod* instanceKlass::lookup_osr_nmethod(const methodOop m, int bci, int comp_level, bool match_level) const { // This is a short non-blocking critical region, so the no safepoint check is ok. OsrList_lock->lock_without_safepoint_check(); nmethod* osr = osr_nmethods_head(); + nmethod* best = NULL; while (osr != NULL) { assert(osr->is_osr_method(), "wrong kind of nmethod found in chain"); + // There can be a time when a c1 osr method exists but we are waiting + // for a c2 version. When c2 completes its osr nmethod we will trash + // the c1 version and only be able to find the c2 version. However + // while we overflow in the c1 code at back branches we don't want to + // try and switch to the same code as we are already running + if (osr->method() == m && (bci == InvocationEntryBci || osr->osr_entry_bci() == bci)) { - // Found a match - return it. - OsrList_lock->unlock(); - return osr; + if (match_level) { + if (osr->comp_level() == comp_level) { + // Found a match - return it. + OsrList_lock->unlock(); + return osr; + } + } else { + if (best == NULL || (osr->comp_level() > best->comp_level())) { + if (osr->comp_level() == CompLevel_highest_tier) { + // Found the best possible - return it. + OsrList_lock->unlock(); + return osr; + } + best = osr; + } + } } osr = osr->osr_link(); } OsrList_lock->unlock(); + if (best != NULL && best->comp_level() >= comp_level && match_level == false) { + return best; + } return NULL; } diff -r 2966dab85b3e -r a25394352030 src/share/vm/oops/instanceKlass.hpp --- a/src/share/vm/oops/instanceKlass.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/oops/instanceKlass.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2009, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -588,7 +588,7 @@ void set_osr_nmethods_head(nmethod* h) { _osr_nmethods_head = h; }; void add_osr_nmethod(nmethod* n); void remove_osr_nmethod(nmethod* n); - nmethod* lookup_osr_nmethod(const methodOop m, int bci) const; + nmethod* lookup_osr_nmethod(const methodOop m, int bci, int level, bool match_level) const; // Breakpoint support (see methods on methodOop for details) BreakpointInfo* breakpoints() const { return _breakpoints; }; diff -r 2966dab85b3e -r a25394352030 src/share/vm/oops/methodDataOop.cpp --- a/src/share/vm/oops/methodDataOop.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/oops/methodDataOop.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000, 2009, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -283,11 +283,17 @@ if (receiver(row) != NULL) entries++; } st->print_cr("count(%u) entries(%u)", count(), entries); + int total = count(); + for (row = 0; row < row_limit(); row++) { + if (receiver(row) != NULL) { + total += receiver_count(row); + } + } for (row = 0; row < row_limit(); row++) { if (receiver(row) != NULL) { tab(st); receiver(row)->print_value_on(st); - st->print_cr("(%u)", receiver_count(row)); + st->print_cr("(%u %4.2f)", receiver_count(row), (float) receiver_count(row) / (float) total); } } } @@ -743,9 +749,18 @@ // Initialize the methodDataOop corresponding to a given method. void methodDataOopDesc::initialize(methodHandle method) { ResourceMark rm; - // Set the method back-pointer. _method = method(); + + if (TieredCompilation) { + _invocation_counter.init(); + _backedge_counter.init(); + _num_loops = 0; + _num_blocks = 0; + _highest_comp_level = 0; + _highest_osr_comp_level = 0; + _would_profile = false; + } set_creation_mileage(mileage_of(method())); // Initialize flags and trap history. @@ -798,32 +813,25 @@ // Get a measure of how much mileage the method has on it. int methodDataOopDesc::mileage_of(methodOop method) { int mileage = 0; - int iic = method->interpreter_invocation_count(); - if (mileage < iic) mileage = iic; - - InvocationCounter* ic = method->invocation_counter(); - InvocationCounter* bc = method->backedge_counter(); - - int icval = ic->count(); - if (ic->carry()) icval += CompileThreshold; - if (mileage < icval) mileage = icval; - int bcval = bc->count(); - if (bc->carry()) bcval += CompileThreshold; - if (mileage < bcval) mileage = bcval; + if (TieredCompilation) { + mileage = MAX2(method->invocation_count(), method->backedge_count()); + } else { + int iic = method->interpreter_invocation_count(); + if (mileage < iic) mileage = iic; + InvocationCounter* ic = method->invocation_counter(); + InvocationCounter* bc = method->backedge_counter(); + int icval = ic->count(); + if (ic->carry()) icval += CompileThreshold; + if (mileage < icval) mileage = icval; + int bcval = bc->count(); + if (bc->carry()) bcval += CompileThreshold; + if (mileage < bcval) mileage = bcval; + } return mileage; } bool methodDataOopDesc::is_mature() const { - uint current = mileage_of(_method); - uint initial = creation_mileage(); - if (current < initial) - return true; // some sort of overflow - uint target; - if (ProfileMaturityPercentage <= 0) - target = (uint) -ProfileMaturityPercentage; // absolute value - else - target = (uint)( (ProfileMaturityPercentage * CompileThreshold) / 100 ); - return (current >= initial + target); + return CompilationPolicy::policy()->is_mature(_method); } // Translate a bci to its corresponding data index (di). diff -r 2966dab85b3e -r a25394352030 src/share/vm/oops/methodDataOop.hpp --- a/src/share/vm/oops/methodDataOop.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/oops/methodDataOop.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -1206,7 +1206,25 @@ intx _arg_stack; // bit set of stack-allocatable arguments intx _arg_returned; // bit set of returned arguments - int _creation_mileage; // method mileage at MDO creation + int _creation_mileage; // method mileage at MDO creation + + // How many invocations has this MDO seen? + // These counters are used to determine the exact age of MDO. + // We need those because in tiered a method can be concurrently + // executed at different levels. + InvocationCounter _invocation_counter; + // Same for backedges. + InvocationCounter _backedge_counter; + // Number of loops and blocks is computed when compiling the first + // time with C1. It is used to determine if method is trivial. + short _num_loops; + short _num_blocks; + // Highest compile level this method has ever seen. + u1 _highest_comp_level; + // Same for OSR level + u1 _highest_osr_comp_level; + // Does this method contain anything worth profiling? + bool _would_profile; // Size of _data array in bytes. (Excludes header and extra_data fields.) int _data_size; @@ -1292,6 +1310,36 @@ int creation_mileage() const { return _creation_mileage; } void set_creation_mileage(int x) { _creation_mileage = x; } + + int invocation_count() { + if (invocation_counter()->carry()) { + return InvocationCounter::count_limit; + } + return invocation_counter()->count(); + } + int backedge_count() { + if (backedge_counter()->carry()) { + return InvocationCounter::count_limit; + } + return backedge_counter()->count(); + } + + InvocationCounter* invocation_counter() { return &_invocation_counter; } + InvocationCounter* backedge_counter() { return &_backedge_counter; } + + void set_would_profile(bool p) { _would_profile = p; } + bool would_profile() const { return _would_profile; } + + int highest_comp_level() { return _highest_comp_level; } + void set_highest_comp_level(int level) { _highest_comp_level = level; } + int highest_osr_comp_level() { return _highest_osr_comp_level; } + void set_highest_osr_comp_level(int level) { _highest_osr_comp_level = level; } + + int num_loops() const { return _num_loops; } + void set_num_loops(int n) { _num_loops = n; } + int num_blocks() const { return _num_blocks; } + void set_num_blocks(int n) { _num_blocks = n; } + bool is_mature() const; // consult mileage and ProfileMaturityPercentage static int mileage_of(methodOop m); @@ -1413,7 +1461,7 @@ void inc_decompile_count() { _nof_decompiles += 1; if (decompile_count() > (uint)PerMethodRecompilationCutoff) { - method()->set_not_compilable(); + method()->set_not_compilable(CompLevel_full_optimization); } } @@ -1422,6 +1470,13 @@ return byte_offset_of(methodDataOopDesc, _data[0]); } + static ByteSize invocation_counter_offset() { + return byte_offset_of(methodDataOopDesc, _invocation_counter); + } + static ByteSize backedge_counter_offset() { + return byte_offset_of(methodDataOopDesc, _backedge_counter); + } + // GC support oop* adr_method() const { return (oop*)&_method; } bool object_is_parsable() const { return _size != 0; } diff -r 2966dab85b3e -r a25394352030 src/share/vm/oops/methodKlass.cpp --- a/src/share/vm/oops/methodKlass.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/oops/methodKlass.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2009, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -75,7 +75,6 @@ // Fix and bury in methodOop m->set_interpreter_entry(NULL); // sets i2i entry and from_int - m->set_highest_tier_compile(CompLevel_none); m->set_adapter_entry(NULL); m->clear_code(); // from_c/from_i get set to c2i/i2i @@ -89,6 +88,7 @@ m->invocation_counter()->init(); m->backedge_counter()->init(); m->clear_number_of_breakpoints(); + assert(m->is_parsable(), "must be parsable here."); assert(m->size() == size, "wrong size for object"); // We should not publish an uprasable object's reference @@ -246,8 +246,8 @@ st->print_cr(" - method size: %d", m->method_size()); if (m->intrinsic_id() != vmIntrinsics::_none) st->print_cr(" - intrinsic id: %d %s", m->intrinsic_id(), vmIntrinsics::name_at(m->intrinsic_id())); - if (m->highest_tier_compile() != CompLevel_none) - st->print_cr(" - highest tier: %d", m->highest_tier_compile()); + if (m->highest_comp_level() != CompLevel_none) + st->print_cr(" - highest level: %d", m->highest_comp_level()); st->print_cr(" - vtable index: %d", m->_vtable_index); st->print_cr(" - i2i entry: " INTPTR_FORMAT, m->interpreter_entry()); st->print_cr(" - adapter: " INTPTR_FORMAT, m->adapter()); diff -r 2966dab85b3e -r a25394352030 src/share/vm/oops/methodOop.cpp --- a/src/share/vm/oops/methodOop.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/oops/methodOop.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -233,7 +233,7 @@ } -bool methodOopDesc::was_executed_more_than(int n) const { +bool methodOopDesc::was_executed_more_than(int n) { // Invocation counter is reset when the methodOop is compiled. // If the method has compiled code we therefore assume it has // be excuted more than n times. @@ -241,7 +241,8 @@ // interpreter doesn't bump invocation counter of trivial methods // compiler does not bump invocation counter of compiled methods return true; - } else if (_invocation_counter.carry()) { + } + else if (_invocation_counter.carry() || (method_data() != NULL && method_data()->invocation_counter()->carry())) { // The carry bit is set when the counter overflows and causes // a compilation to occur. We don't know how many times // the counter has been reset, so we simply assume it has @@ -253,7 +254,7 @@ } #ifndef PRODUCT -void methodOopDesc::print_invocation_count() const { +void methodOopDesc::print_invocation_count() { if (is_static()) tty->print("static "); if (is_final()) tty->print("final "); if (is_synchronized()) tty->print("synchronized "); @@ -574,16 +575,19 @@ // compilers must recognize this method specially, or not at all return true; } - -#ifdef COMPILER2 - if (is_tier1_compile(comp_level)) { - if (is_not_tier1_compilable()) { - return true; - } + if (number_of_breakpoints() > 0) { + return true; + } + if (comp_level == CompLevel_any) { + return is_not_c1_compilable() || is_not_c2_compilable(); } -#endif // COMPILER2 - return (_invocation_counter.state() == InvocationCounter::wait_for_nothing) - || (number_of_breakpoints() > 0); + if (is_c1_compile(comp_level)) { + return is_not_c1_compilable(); + } + if (is_c2_compile(comp_level)) { + return is_not_c2_compilable(); + } + return false; } // call this when compiler finds that this method is not compilable @@ -604,15 +608,18 @@ xtty->stamp(); xtty->end_elem(); } -#ifdef COMPILER2 - if (is_tier1_compile(comp_level)) { - set_not_tier1_compilable(); - return; + if (comp_level == CompLevel_all) { + set_not_c1_compilable(); + set_not_c2_compilable(); + } else { + if (is_c1_compile(comp_level)) { + set_not_c1_compilable(); + } else + if (is_c2_compile(comp_level)) { + set_not_c2_compilable(); + } } -#endif /* COMPILER2 */ - assert(comp_level == CompLevel_highest_tier, "unexpected compilation level"); - invocation_counter()->set_state(InvocationCounter::wait_for_nothing); - backedge_counter()->set_state(InvocationCounter::wait_for_nothing); + CompilationPolicy::policy()->disable_compilation(this); } // Revert to using the interpreter and clear out the nmethod @@ -649,7 +656,6 @@ set_method_data(NULL); set_interpreter_throwout_count(0); set_interpreter_invocation_count(0); - _highest_tier_compile = CompLevel_none; } // Called when the method_holder is getting linked. Setup entrypoints so the method @@ -746,8 +752,8 @@ int comp_level = code->comp_level(); // In theory there could be a race here. In practice it is unlikely // and not worth worrying about. - if (comp_level > mh->highest_tier_compile()) { - mh->set_highest_tier_compile(comp_level); + if (comp_level > mh->highest_comp_level()) { + mh->set_highest_comp_level(comp_level); } OrderAccess::storestore(); @@ -813,11 +819,13 @@ bool methodOopDesc::is_method_handle_invoke_name(vmSymbols::SID name_sid) { switch (name_sid) { - case vmSymbols::VM_SYMBOL_ENUM_NAME(invoke_name): // FIXME: remove this transitional form case vmSymbols::VM_SYMBOL_ENUM_NAME(invokeExact_name): case vmSymbols::VM_SYMBOL_ENUM_NAME(invokeGeneric_name): return true; } + if (AllowTransitionalJSR292 + && name_sid == vmSymbols::VM_SYMBOL_ENUM_NAME(invoke_name)) + return true; return false; } @@ -905,12 +913,16 @@ m->set_signature_index(_imcp_invoke_signature); assert(is_method_handle_invoke_name(m->name()), ""); assert(m->signature() == signature(), ""); + assert(m->is_method_handle_invoke(), ""); #ifdef CC_INTERP ResultTypeFinder rtf(signature()); m->set_result_index(rtf.type()); #endif m->compute_size_of_parameters(THREAD); m->set_exception_table(Universe::the_empty_int_array()); + m->init_intrinsic_id(); + assert(m->intrinsic_id() == vmIntrinsics::_invokeExact || + m->intrinsic_id() == vmIntrinsics::_invokeGeneric, "must be an invoker"); // Finally, set up its entry points. assert(m->method_handle_type() == method_type(), ""); @@ -1023,6 +1035,7 @@ assert(_intrinsic_id == vmIntrinsics::_none, "do this just once"); const uintptr_t max_id_uint = right_n_bits((int)(sizeof(_intrinsic_id) * BitsPerByte)); assert((uintptr_t)vmIntrinsics::ID_LIMIT <= max_id_uint, "else fix size"); + assert(intrinsic_id_size_in_bytes() == sizeof(_intrinsic_id), ""); // the klass name is well-known: vmSymbols::SID klass_id = klass_id_for_intrinsics(method_holder()); @@ -1030,9 +1043,10 @@ // ditto for method and signature: vmSymbols::SID name_id = vmSymbols::find_sid(name()); - if (name_id == vmSymbols::NO_SID) return; + if (name_id == vmSymbols::NO_SID) return; vmSymbols::SID sig_id = vmSymbols::find_sid(signature()); - if (sig_id == vmSymbols::NO_SID) return; + if (klass_id != vmSymbols::VM_SYMBOL_ENUM_NAME(java_dyn_MethodHandle) + && sig_id == vmSymbols::NO_SID) return; jshort flags = access_flags().as_short(); vmIntrinsics::ID id = vmIntrinsics::find_id(klass_id, name_id, sig_id, flags); @@ -1061,10 +1075,13 @@ if (is_static() || !is_native()) break; switch (name_id) { case vmSymbols::VM_SYMBOL_ENUM_NAME(invokeGeneric_name): - id = vmIntrinsics::_invokeGeneric; break; - default: - if (is_method_handle_invoke_name(name())) - id = vmIntrinsics::_invokeExact; + id = vmIntrinsics::_invokeGeneric; + break; + case vmSymbols::VM_SYMBOL_ENUM_NAME(invokeExact_name): + id = vmIntrinsics::_invokeExact; + break; + case vmSymbols::VM_SYMBOL_ENUM_NAME(invoke_name): + if (AllowTransitionalJSR292) id = vmIntrinsics::_invokeExact; break; } break; @@ -1442,6 +1459,64 @@ } +int methodOopDesc::invocation_count() { + if (TieredCompilation) { + const methodDataOop mdo = method_data(); + if (invocation_counter()->carry() || ((mdo != NULL) ? mdo->invocation_counter()->carry() : false)) { + return InvocationCounter::count_limit; + } else { + return invocation_counter()->count() + ((mdo != NULL) ? mdo->invocation_counter()->count() : 0); + } + } else { + return invocation_counter()->count(); + } +} + +int methodOopDesc::backedge_count() { + if (TieredCompilation) { + const methodDataOop mdo = method_data(); + if (backedge_counter()->carry() || ((mdo != NULL) ? mdo->backedge_counter()->carry() : false)) { + return InvocationCounter::count_limit; + } else { + return backedge_counter()->count() + ((mdo != NULL) ? mdo->backedge_counter()->count() : 0); + } + } else { + return backedge_counter()->count(); + } +} + +int methodOopDesc::highest_comp_level() const { + methodDataOop mdo = method_data(); + if (mdo != NULL) { + return mdo->highest_comp_level(); + } else { + return CompLevel_none; + } +} + +int methodOopDesc::highest_osr_comp_level() const { + methodDataOop mdo = method_data(); + if (mdo != NULL) { + return mdo->highest_osr_comp_level(); + } else { + return CompLevel_none; + } +} + +void methodOopDesc::set_highest_comp_level(int level) { + methodDataOop mdo = method_data(); + if (mdo != NULL) { + mdo->set_highest_comp_level(level); + } +} + +void methodOopDesc::set_highest_osr_comp_level(int level) { + methodDataOop mdo = method_data(); + if (mdo != NULL) { + mdo->set_highest_osr_comp_level(level); + } +} + BreakpointInfo::BreakpointInfo(methodOop m, int bci) { _bci = bci; _name_index = m->name_index(); diff -r 2966dab85b3e -r a25394352030 src/share/vm/oops/methodOop.hpp --- a/src/share/vm/oops/methodOop.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/oops/methodOop.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -62,9 +62,9 @@ // | method_size | max_stack | // | max_locals | size_of_parameters | // |------------------------------------------------------| -// | intrinsic_id, highest_tier | (unused) | +// | intrinsic_id, (unused) | throwout_count | // |------------------------------------------------------| -// | throwout_count | num_breakpoints | +// | num_breakpoints | (unused) | // |------------------------------------------------------| // | invocation_counter | // | backedge_counter | @@ -83,7 +83,6 @@ class CheckedExceptionElement; class LocalVariableTableElement; class AdapterHandlerEntry; - class methodDataOopDesc; class methodOopDesc : public oopDesc { @@ -93,7 +92,7 @@ constMethodOop _constMethod; // Method read-only data. constantPoolOop _constants; // Constant pool methodDataOop _method_data; - int _interpreter_invocation_count; // Count of times invoked + int _interpreter_invocation_count; // Count of times invoked (reused as prev_event_count in tiered) AccessFlags _access_flags; // Access flags int _vtable_index; // vtable index of this method (see VtableIndexFlag) // note: can have vtables with >2**16 elements (because of inheritance) @@ -105,11 +104,11 @@ u2 _max_locals; // Number of local variables used by this method u2 _size_of_parameters; // size of the parameter block (receiver + arguments) in words u1 _intrinsic_id; // vmSymbols::intrinsic_id (0 == _none) - u1 _highest_tier_compile; // Highest compile level this method has ever seen. u2 _interpreter_throwout_count; // Count of times method was exited via exception while interpreting u2 _number_of_breakpoints; // fullspeed debugging support InvocationCounter _invocation_counter; // Incremented before each activation of the method - used to trigger frequency-based optimizations InvocationCounter _backedge_counter; // Incremented before each backedge taken - used to trigger frequencey-based optimizations + #ifndef PRODUCT int _compiled_invocation_count; // Number of nmethod invocations so far (for perf. debugging) #endif @@ -221,8 +220,11 @@ // max locals int max_locals() const { return _max_locals; } void set_max_locals(int size) { _max_locals = size; } - int highest_tier_compile() { return _highest_tier_compile;} - void set_highest_tier_compile(int level) { _highest_tier_compile = level;} + + int highest_comp_level() const; + void set_highest_comp_level(int level); + int highest_osr_comp_level() const; + void set_highest_osr_comp_level(int level); // Count of times method was exited via exception while interpreting void interpreter_throwout_increment() { @@ -276,21 +278,29 @@ } // invocation counter - InvocationCounter* invocation_counter() { return &_invocation_counter; } - InvocationCounter* backedge_counter() { return &_backedge_counter; } - int invocation_count() const { return _invocation_counter.count(); } - int backedge_count() const { return _backedge_counter.count(); } - bool was_executed_more_than(int n) const; - bool was_never_executed() const { return !was_executed_more_than(0); } + InvocationCounter* invocation_counter() { return &_invocation_counter; } + InvocationCounter* backedge_counter() { return &_backedge_counter; } + + int invocation_count(); + int backedge_count(); + + bool was_executed_more_than(int n); + bool was_never_executed() { return !was_executed_more_than(0); } static void build_interpreter_method_data(methodHandle method, TRAPS); - int interpreter_invocation_count() const { return _interpreter_invocation_count; } + int interpreter_invocation_count() { + if (TieredCompilation) return invocation_count(); + else return _interpreter_invocation_count; + } void set_interpreter_invocation_count(int count) { _interpreter_invocation_count = count; } - int increment_interpreter_invocation_count() { return ++_interpreter_invocation_count; } + int increment_interpreter_invocation_count() { + if (TieredCompilation) ShouldNotReachHere(); + return ++_interpreter_invocation_count; + } #ifndef PRODUCT - int compiled_invocation_count() const { return _compiled_invocation_count; } + int compiled_invocation_count() const { return _compiled_invocation_count; } void set_compiled_invocation_count(int count) { _compiled_invocation_count = count; } #endif // not PRODUCT @@ -361,7 +371,7 @@ #ifndef PRODUCT // operations on invocation counter - void print_invocation_count() const; + void print_invocation_count(); #endif // byte codes @@ -506,6 +516,8 @@ static int method_data_offset_in_bytes() { return offset_of(methodOopDesc, _method_data); } static int interpreter_invocation_counter_offset_in_bytes() { return offset_of(methodOopDesc, _interpreter_invocation_count); } + static int intrinsic_id_offset_in_bytes() { return offset_of(methodOopDesc, _intrinsic_id); } + static int intrinsic_id_size_in_bytes() { return sizeof(u1); } // Static methods that are used to implement member methods where an exposed this pointer // is needed due to possible GCs @@ -587,8 +599,13 @@ static vmSymbols::SID klass_id_for_intrinsics(klassOop holder); // On-stack replacement support - bool has_osr_nmethod() { return instanceKlass::cast(method_holder())->lookup_osr_nmethod(this, InvocationEntryBci) != NULL; } - nmethod* lookup_osr_nmethod_for(int bci) { return instanceKlass::cast(method_holder())->lookup_osr_nmethod(this, bci); } + bool has_osr_nmethod(int level, bool match_level) { + return instanceKlass::cast(method_holder())->lookup_osr_nmethod(this, InvocationEntryBci, level, match_level) != NULL; + } + + nmethod* lookup_osr_nmethod_for(int bci, int level, bool match_level) { + return instanceKlass::cast(method_holder())->lookup_osr_nmethod(this, bci, level, match_level); + } // Inline cache support void cleanup_inline_caches(); @@ -600,22 +617,24 @@ // Indicates whether compilation failed earlier for this method, or // whether it is not compilable for another reason like having a // breakpoint set in it. - bool is_not_compilable(int comp_level = CompLevel_highest_tier) const; - void set_not_compilable(int comp_level = CompLevel_highest_tier, bool report = true); - void set_not_compilable_quietly(int comp_level = CompLevel_highest_tier) { + bool is_not_compilable(int comp_level = CompLevel_any) const; + void set_not_compilable(int comp_level = CompLevel_all, bool report = true); + void set_not_compilable_quietly(int comp_level = CompLevel_all) { set_not_compilable(comp_level, false); } - - bool is_not_osr_compilable() const { return is_not_compilable() || access_flags().is_not_osr_compilable(); } - void set_not_osr_compilable() { _access_flags.set_not_osr_compilable(); } - - bool is_not_tier1_compilable() const { return access_flags().is_not_tier1_compilable(); } - void set_not_tier1_compilable() { _access_flags.set_not_tier1_compilable(); } + bool is_not_osr_compilable(int comp_level = CompLevel_any) const { + return is_not_compilable(comp_level) || access_flags().is_not_osr_compilable(); + } + void set_not_osr_compilable() { _access_flags.set_not_osr_compilable(); } + bool is_not_c1_compilable() const { return access_flags().is_not_c1_compilable(); } + void set_not_c1_compilable() { _access_flags.set_not_c1_compilable(); } + bool is_not_c2_compilable() const { return access_flags().is_not_c2_compilable(); } + void set_not_c2_compilable() { _access_flags.set_not_c2_compilable(); } // Background compilation support - bool queued_for_compilation() const { return access_flags().queued_for_compilation(); } - void set_queued_for_compilation() { _access_flags.set_queued_for_compilation(); } - void clear_queued_for_compilation() { _access_flags.clear_queued_for_compilation(); } + bool queued_for_compilation() const { return access_flags().queued_for_compilation(); } + void set_queued_for_compilation() { _access_flags.set_queued_for_compilation(); } + void clear_queued_for_compilation() { _access_flags.clear_queued_for_compilation(); } static methodOop method_from_bcp(address bcp); diff -r 2966dab85b3e -r a25394352030 src/share/vm/opto/bytecodeInfo.cpp --- a/src/share/vm/opto/bytecodeInfo.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/opto/bytecodeInfo.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -140,7 +140,7 @@ } else { // Not hot. Check for medium-sized pre-existing nmethod at cold sites. if (callee_method->has_compiled_code() && - callee_method->instructions_size() > InlineSmallCode/4) + callee_method->instructions_size(CompLevel_full_optimization) > InlineSmallCode/4) return "already compiled into a medium method"; } if (size > max_size) { @@ -180,7 +180,7 @@ } } - if (callee_method->has_compiled_code() && callee_method->instructions_size() > InlineSmallCode) { + if (callee_method->has_compiled_code() && callee_method->instructions_size(CompLevel_full_optimization) > InlineSmallCode) { wci_result->set_profit(wci_result->profit() * 0.1); // %%% adjust wci_result->size()? } @@ -206,7 +206,7 @@ // Now perform checks which are heuristic - if( callee_method->has_compiled_code() && callee_method->instructions_size() > InlineSmallCode ) + if( callee_method->has_compiled_code() && callee_method->instructions_size(CompLevel_full_optimization) > InlineSmallCode ) return "already compiled into a big method"; // don't inline exception code unless the top method belongs to an diff -r 2966dab85b3e -r a25394352030 src/share/vm/opto/compile.cpp --- a/src/share/vm/opto/compile.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/opto/compile.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -850,25 +850,13 @@ set_decompile_count(0); set_do_freq_based_layout(BlockLayoutByFrequency || method_has_option("BlockLayoutByFrequency")); - // Compilation level related initialization - if (env()->comp_level() == CompLevel_fast_compile) { - set_num_loop_opts(Tier1LoopOptsCount); - set_do_inlining(Tier1Inline != 0); - set_max_inline_size(Tier1MaxInlineSize); - set_freq_inline_size(Tier1FreqInlineSize); - set_do_scheduling(false); - set_do_count_invocations(Tier1CountInvocations); - set_do_method_data_update(Tier1UpdateMethodData); - } else { - assert(env()->comp_level() == CompLevel_full_optimization, "unknown comp level"); - set_num_loop_opts(LoopOptsCount); - set_do_inlining(Inline); - set_max_inline_size(MaxInlineSize); - set_freq_inline_size(FreqInlineSize); - set_do_scheduling(OptoScheduling); - set_do_count_invocations(false); - set_do_method_data_update(false); - } + set_num_loop_opts(LoopOptsCount); + set_do_inlining(Inline); + set_max_inline_size(MaxInlineSize); + set_freq_inline_size(FreqInlineSize); + set_do_scheduling(OptoScheduling); + set_do_count_invocations(false); + set_do_method_data_update(false); if (debug_info()->recording_non_safepoints()) { set_node_note_array(new(comp_arena()) GrowableArray diff -r 2966dab85b3e -r a25394352030 src/share/vm/opto/graphKit.cpp --- a/src/share/vm/opto/graphKit.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/opto/graphKit.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -1739,6 +1739,7 @@ C->gvn_replace_by(callprojs.fallthrough_catchproj, final_state->in(TypeFunc::Control)); C->gvn_replace_by(callprojs.fallthrough_memproj, final_state->in(TypeFunc::Memory)); C->gvn_replace_by(callprojs.fallthrough_ioproj, final_state->in(TypeFunc::I_O)); + Node* final_mem = final_state->in(TypeFunc::Memory); // Replace the result with the new result if it exists and is used if (callprojs.resproj != NULL && result != NULL) { @@ -1776,6 +1777,21 @@ // Disconnect the call from the graph call->disconnect_inputs(NULL); C->gvn_replace_by(call, C->top()); + + // Clean up any MergeMems that feed other MergeMems since the + // optimizer doesn't like that. + if (final_mem->is_MergeMem()) { + Node_List wl; + for (SimpleDUIterator i(final_mem); i.has_next(); i.next()) { + Node* m = i.get(); + if (m->is_MergeMem() && !wl.contains(m)) { + wl.push(m); + } + } + while (wl.size() > 0) { + _gvn.transform(wl.pop()); + } + } } diff -r 2966dab85b3e -r a25394352030 src/share/vm/opto/loopTransform.cpp --- a/src/share/vm/opto/loopTransform.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/opto/loopTransform.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -2417,6 +2417,8 @@ Node* value = n->in(MemNode::ValueIn); if (!lpt->is_invariant(value)) { msg = "variant store value"; + } else if (!_igvn.type(n->in(MemNode::Address))->isa_aryptr()) { + msg = "not array address"; } store = n; store_value = value; @@ -2468,6 +2470,7 @@ // head->phi * elsize + con. head->phi might have a ConvI2L. Node* elements[4]; Node* conv = NULL; + bool found_index = false; int count = store->in(MemNode::Address)->as_AddP()->unpack_offsets(elements, ARRAY_SIZE(elements)); for (int e = 0; e < count; e++) { Node* n = elements[e]; @@ -2484,17 +2487,20 @@ if (value != head->phi()) { msg = "unhandled shift in address"; } else { + found_index = true; shift = n; assert(type2aelembytes(store->as_Mem()->memory_type(), true) == 1 << shift->in(2)->get_int(), "scale should match"); } } else if (n->Opcode() == Op_ConvI2L && conv == NULL) { if (n->in(1) == head->phi()) { + found_index = true; conv = n; } else { msg = "unhandled input to ConvI2L"; } } else if (n == head->phi()) { // no shift, check below for allowed cases + found_index = true; } else { msg = "unhandled node in address"; msg_node = n; @@ -2506,6 +2512,10 @@ msg_node = store; } + if (!found_index) { + msg = "missing use of index"; + } + // byte sized items won't have a shift if (msg == NULL && shift == NULL && t != T_BYTE && t != T_BOOLEAN) { msg = "can't find shift"; diff -r 2966dab85b3e -r a25394352030 src/share/vm/opto/type.hpp --- a/src/share/vm/opto/type.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/opto/type.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -836,7 +836,7 @@ if (k != NULL) { // Verify that specified klass and TypeAryPtr::klass() follow the same rules. ciKlass* ck = compute_klass(true); - if (UseNewCode || k != ck) { + if (k != ck) { this->dump(); tty->cr(); tty->print(" k: "); k->print(); tty->cr(); diff -r 2966dab85b3e -r a25394352030 src/share/vm/prims/methodHandleWalk.cpp --- a/src/share/vm/prims/methodHandleWalk.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/prims/methodHandleWalk.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -333,8 +333,7 @@ ArgToken arglist[2]; arglist[0] = arg; // outgoing value arglist[1] = ArgToken(); // sentinel - assert(false, "I think the argument count must be 1 instead of 0"); - arg = make_invoke(NULL, boxer, Bytecodes::_invokevirtual, false, 0, &arglist[0], CHECK_(empty)); + arg = make_invoke(NULL, boxer, Bytecodes::_invokevirtual, false, 1, &arglist[0], CHECK_(empty)); change_argument(src, arg_slot, T_OBJECT, arg); break; } @@ -979,7 +978,7 @@ // Inline the method. InvocationCounter* ic = m->invocation_counter(); - ic->set_carry(); + ic->set_carry_flag(); for (int i = 0; i < argc; i++) { ArgToken arg = argv[i]; @@ -1209,7 +1208,7 @@ // Set the carry bit of the invocation counter to force inlining of // the adapter. InvocationCounter* ic = m->invocation_counter(); - ic->set_carry(); + ic->set_carry_flag(); // Rewrite the method and set up the constant pool cache. objArrayOop m_array = oopFactory::new_system_objArray(1, CHECK_(nullHandle)); @@ -1398,7 +1397,9 @@ extern "C" void print_method_handle(oop mh) { - if (java_dyn_MethodHandle::is_instance(mh)) { + if (!mh->is_oop()) { + tty->print_cr("*** not a method handle: "INTPTR_FORMAT, (intptr_t)mh); + } else if (java_dyn_MethodHandle::is_instance(mh)) { //MethodHandlePrinter::print(mh); } else { tty->print("*** not a method handle: "); diff -r 2966dab85b3e -r a25394352030 src/share/vm/prims/methodHandles.hpp --- a/src/share/vm/prims/methodHandles.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/prims/methodHandles.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -446,6 +446,8 @@ RegisterOrConstant arg_slots, Register argslot_reg, Register temp_reg, Register temp2_reg, Register temp3_reg = noreg); + + static void trace_method_handle(MacroAssembler* _masm, const char* adaptername) PRODUCT_RETURN; }; diff -r 2966dab85b3e -r a25394352030 src/share/vm/runtime/arguments.cpp --- a/src/share/vm/runtime/arguments.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/runtime/arguments.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -50,7 +50,6 @@ bool Arguments::_UseOnStackReplacement = UseOnStackReplacement; bool Arguments::_BackgroundCompilation = BackgroundCompilation; bool Arguments::_ClipInlining = ClipInlining; -intx Arguments::_Tier2CompileThreshold = Tier2CompileThreshold; char* Arguments::SharedArchivePath = NULL; @@ -913,7 +912,6 @@ AlwaysCompileLoopMethods = Arguments::_AlwaysCompileLoopMethods; UseOnStackReplacement = Arguments::_UseOnStackReplacement; BackgroundCompilation = Arguments::_BackgroundCompilation; - Tier2CompileThreshold = Arguments::_Tier2CompileThreshold; // Change from defaults based on mode switch (mode) { @@ -950,6 +948,31 @@ } } +void Arguments::set_tiered_flags() { + if (FLAG_IS_DEFAULT(CompilationPolicyChoice)) { + FLAG_SET_DEFAULT(CompilationPolicyChoice, 2); + } + + if (CompilationPolicyChoice < 2) { + vm_exit_during_initialization( + "Incompatible compilation policy selected", NULL); + } + +#ifdef _LP64 + if (FLAG_IS_DEFAULT(UseCompressedOops) || FLAG_IS_ERGO(UseCompressedOops)) { + UseCompressedOops = false; + } + if (UseCompressedOops) { + vm_exit_during_initialization( + "Tiered compilation is not supported with compressed oops yet", NULL); + } +#endif + // Increase the code cache size - tiered compiles a lot more. + if (FLAG_IS_DEFAULT(ReservedCodeCacheSize)) { + FLAG_SET_DEFAULT(ReservedCodeCacheSize, ReservedCodeCacheSize * 2); + } +} + #ifndef KERNEL // If the user has chosen ParallelGCThreads > 0, we set UseParNewGC // if it's not explictly set or unset. If the user has chosen @@ -1250,7 +1273,8 @@ } inline uintx max_heap_for_compressed_oops() { - LP64_ONLY(return OopEncodingHeapMax - MaxPermSize - os::vm_page_size()); + // Heap should be above HeapBaseMinAddress to get zero based compressed oops. + LP64_ONLY(return OopEncodingHeapMax - MaxPermSize - os::vm_page_size() - HeapBaseMinAddress); NOT_LP64(ShouldNotReachHere(); return 0); } @@ -1299,7 +1323,7 @@ // Check that UseCompressedOops can be set with the max heap size allocated // by ergonomics. if (MaxHeapSize <= max_heap_for_compressed_oops()) { -#ifndef COMPILER1 +#if !defined(COMPILER1) || defined(TIERED) if (FLAG_IS_DEFAULT(UseCompressedOops) && !UseG1GC) { FLAG_SET_ERGO(bool, UseCompressedOops, true); } @@ -1933,7 +1957,6 @@ Arguments::_UseOnStackReplacement = UseOnStackReplacement; Arguments::_ClipInlining = ClipInlining; Arguments::_BackgroundCompilation = BackgroundCompilation; - Arguments::_Tier2CompileThreshold = Tier2CompileThreshold; // Parse JAVA_TOOL_OPTIONS environment variable (if present) jint result = parse_java_tool_options_environment_variable(&scp, &scp_assembly_required); @@ -2651,23 +2674,6 @@ set_mode_flags(_int); } -#ifdef TIERED - // If we are using tiered compilation in the tiered vm then c1 will - // do the profiling and we don't want to waste that time in the - // interpreter. - if (TieredCompilation) { - ProfileInterpreter = false; - } else { - // Since we are running vanilla server we must adjust the compile threshold - // unless the user has already adjusted it because the default threshold assumes - // we will run tiered. - - if (FLAG_IS_DEFAULT(CompileThreshold)) { - CompileThreshold = Tier2CompileThreshold; - } - } -#endif // TIERED - #ifndef COMPILER2 // Don't degrade server performance for footprint if (FLAG_IS_DEFAULT(UseLargePages) && @@ -2682,7 +2688,6 @@ // Tiered compilation is undefined with C1. TieredCompilation = false; - #else if (!FLAG_IS_DEFAULT(OptoLoopAlignment) && FLAG_IS_DEFAULT(MaxLoopPad)) { FLAG_SET_DEFAULT(MaxLoopPad, OptoLoopAlignment-1); @@ -2946,7 +2951,7 @@ PrintGC = true; } -#if defined(_LP64) && defined(COMPILER1) +#if defined(_LP64) && defined(COMPILER1) && !defined(TIERED) UseCompressedOops = false; #endif @@ -2977,6 +2982,16 @@ return JNI_EINVAL; } + if (TieredCompilation) { + set_tiered_flags(); + } else { + // Check if the policy is valid. Policies 0 and 1 are valid for non-tiered setup. + if (CompilationPolicyChoice >= 2) { + vm_exit_during_initialization( + "Incompatible compilation policy selected", NULL); + } + } + #ifndef KERNEL if (UseConcMarkSweepGC) { // Set flags for CMS and ParNew. Check UseConcMarkSweep first diff -r 2966dab85b3e -r a25394352030 src/share/vm/runtime/arguments.hpp --- a/src/share/vm/runtime/arguments.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/runtime/arguments.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2009, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -288,8 +288,9 @@ static bool _BackgroundCompilation; static bool _ClipInlining; static bool _CIDynamicCompilePriority; - static intx _Tier2CompileThreshold; + // Tiered + static void set_tiered_flags(); // CMS/ParNew garbage collectors static void set_parnew_gc_flags(); static void set_cms_and_parnew_gc_flags(); diff -r 2966dab85b3e -r a25394352030 src/share/vm/runtime/compilationPolicy.cpp --- a/src/share/vm/runtime/compilationPolicy.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/runtime/compilationPolicy.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -45,10 +45,17 @@ Unimplemented(); #endif break; - + case 2: +#ifdef TIERED + CompilationPolicy::set_policy(new SimpleThresholdPolicy()); +#else + Unimplemented(); +#endif + break; default: - fatal("CompilationPolicyChoice must be in the range: [0-1]"); + fatal("CompilationPolicyChoice must be in the range: [0-2]"); } + CompilationPolicy::policy()->initialize(); } void CompilationPolicy::completed_vm_startup() { @@ -61,16 +68,16 @@ // Returns true if m must be compiled before executing it // This is intended to force compiles for methods (usually for // debugging) that would otherwise be interpreted for some reason. -bool CompilationPolicy::mustBeCompiled(methodHandle m) { +bool CompilationPolicy::must_be_compiled(methodHandle m, int comp_level) { if (m->has_compiled_code()) return false; // already compiled - if (!canBeCompiled(m)) return false; + if (!can_be_compiled(m, comp_level)) return false; return !UseInterpreter || // must compile all methods (UseCompiler && AlwaysCompileLoopMethods && m->has_loops() && CompileBroker::should_compile_new_jobs()); // eagerly compile loop methods } // Returns true if m is allowed to be compiled -bool CompilationPolicy::canBeCompiled(methodHandle m) { +bool CompilationPolicy::can_be_compiled(methodHandle m, int comp_level) { if (m->is_abstract()) return false; if (DontCompileHugeMethods && m->code_size() > HugeMethodLimit) return false; @@ -83,8 +90,16 @@ if (!AbstractInterpreter::can_be_compiled(m)) { return false; } + if (comp_level == CompLevel_all) { + return !m->is_not_compilable(CompLevel_simple) && !m->is_not_compilable(CompLevel_full_optimization); + } else { + return !m->is_not_compilable(comp_level); + } +} - return !m->is_not_compilable(); +bool CompilationPolicy::is_compilation_enabled() { + // NOTE: CompileBroker::should_compile_new_jobs() checks for UseCompiler + return !delay_compilation_during_startup() && CompileBroker::should_compile_new_jobs(); } #ifndef PRODUCT @@ -94,7 +109,7 @@ tty->print_cr (" Total: %3.3f sec.", _accumulated_time.seconds()); } -static void trace_osr_completion(nmethod* osr_nm) { +void NonTieredCompPolicy::trace_osr_completion(nmethod* osr_nm) { if (TraceOnStackReplacement) { if (osr_nm == NULL) tty->print_cr("compilation failed"); else tty->print_cr("nmethod " INTPTR_FORMAT, osr_nm); @@ -102,7 +117,35 @@ } #endif // !PRODUCT -void CompilationPolicy::reset_counter_for_invocation_event(methodHandle m) { +void NonTieredCompPolicy::initialize() { + // Setup the compiler thread numbers + if (CICompilerCountPerCPU) { + // Example: if CICompilerCountPerCPU is true, then we get + // max(log2(8)-1,1) = 2 compiler threads on an 8-way machine. + // May help big-app startup time. + _compiler_count = MAX2(log2_intptr(os::active_processor_count())-1,1); + } else { + _compiler_count = CICompilerCount; + } +} + +int NonTieredCompPolicy::compiler_count(CompLevel comp_level) { +#ifdef COMPILER1 + if (is_c1_compile(comp_level)) { + return _compiler_count; + } +#endif + +#ifdef COMPILER2 + if (is_c2_compile(comp_level)) { + return _compiler_count; + } +#endif + + return 0; +} + +void NonTieredCompPolicy::reset_counter_for_invocation_event(methodHandle m) { // Make sure invocation and backedge counter doesn't overflow again right away // as would be the case for native methods. @@ -114,7 +157,7 @@ assert(!m->was_never_executed(), "don't reset to 0 -- could be mistaken for never-executed"); } -void CompilationPolicy::reset_counter_for_back_branch_event(methodHandle m) { +void NonTieredCompPolicy::reset_counter_for_back_branch_event(methodHandle m) { // Delay next back-branch event but pump up invocation counter to triger // whole method compilation. InvocationCounter* i = m->invocation_counter(); @@ -128,6 +171,185 @@ b->set(b->state(), CompileThreshold / 2); } +// +// CounterDecay +// +// Interates through invocation counters and decrements them. This +// is done at each safepoint. +// +class CounterDecay : public AllStatic { + static jlong _last_timestamp; + static void do_method(methodOop m) { + m->invocation_counter()->decay(); + } +public: + static void decay(); + static bool is_decay_needed() { + return (os::javaTimeMillis() - _last_timestamp) > CounterDecayMinIntervalLength; + } +}; + +jlong CounterDecay::_last_timestamp = 0; + +void CounterDecay::decay() { + _last_timestamp = os::javaTimeMillis(); + + // This operation is going to be performed only at the end of a safepoint + // and hence GC's will not be going on, all Java mutators are suspended + // at this point and hence SystemDictionary_lock is also not needed. + assert(SafepointSynchronize::is_at_safepoint(), "can only be executed at a safepoint"); + int nclasses = SystemDictionary::number_of_classes(); + double classes_per_tick = nclasses * (CounterDecayMinIntervalLength * 1e-3 / + CounterHalfLifeTime); + for (int i = 0; i < classes_per_tick; i++) { + klassOop k = SystemDictionary::try_get_next_class(); + if (k != NULL && k->klass_part()->oop_is_instance()) { + instanceKlass::cast(k)->methods_do(do_method); + } + } +} + +// Called at the end of the safepoint +void NonTieredCompPolicy::do_safepoint_work() { + if(UseCounterDecay && CounterDecay::is_decay_needed()) { + CounterDecay::decay(); + } +} + +void NonTieredCompPolicy::reprofile(ScopeDesc* trap_scope, bool is_osr) { + ScopeDesc* sd = trap_scope; + for (; !sd->is_top(); sd = sd->sender()) { + // Reset ICs of inlined methods, since they can trigger compilations also. + sd->method()->invocation_counter()->reset(); + } + InvocationCounter* c = sd->method()->invocation_counter(); + if (is_osr) { + // It was an OSR method, so bump the count higher. + c->set(c->state(), CompileThreshold); + } else { + c->reset(); + } + sd->method()->backedge_counter()->reset(); +} + +// This method can be called by any component of the runtime to notify the policy +// that it's recommended to delay the complation of this method. +void NonTieredCompPolicy::delay_compilation(methodOop method) { + method->invocation_counter()->decay(); + method->backedge_counter()->decay(); +} + +void NonTieredCompPolicy::disable_compilation(methodOop method) { + method->invocation_counter()->set_state(InvocationCounter::wait_for_nothing); + method->backedge_counter()->set_state(InvocationCounter::wait_for_nothing); +} + +CompileTask* NonTieredCompPolicy::select_task(CompileQueue* compile_queue) { + return compile_queue->first(); +} + +bool NonTieredCompPolicy::is_mature(methodOop method) { + methodDataOop mdo = method->method_data(); + assert(mdo != NULL, "Should be"); + uint current = mdo->mileage_of(method); + uint initial = mdo->creation_mileage(); + if (current < initial) + return true; // some sort of overflow + uint target; + if (ProfileMaturityPercentage <= 0) + target = (uint) -ProfileMaturityPercentage; // absolute value + else + target = (uint)( (ProfileMaturityPercentage * CompileThreshold) / 100 ); + return (current >= initial + target); +} + +nmethod* NonTieredCompPolicy::event(methodHandle method, methodHandle inlinee, int branch_bci, int bci, CompLevel comp_level, TRAPS) { + assert(comp_level == CompLevel_none, "This should be only called from the interpreter"); + NOT_PRODUCT(trace_frequency_counter_overflow(method, branch_bci, bci)); + if (JvmtiExport::can_post_interpreter_events()) { + assert(THREAD->is_Java_thread(), "Wrong type of thread"); + if (((JavaThread*)THREAD)->is_interp_only_mode()) { + // If certain JVMTI events (e.g. frame pop event) are requested then the + // thread is forced to remain in interpreted code. This is + // implemented partly by a check in the run_compiled_code + // section of the interpreter whether we should skip running + // compiled code, and partly by skipping OSR compiles for + // interpreted-only threads. + if (bci != InvocationEntryBci) { + reset_counter_for_back_branch_event(method); + return NULL; + } + } + } + if (bci == InvocationEntryBci) { + // when code cache is full, compilation gets switched off, UseCompiler + // is set to false + if (!method->has_compiled_code() && UseCompiler) { + method_invocation_event(method, CHECK_NULL); + } else { + // Force counter overflow on method entry, even if no compilation + // happened. (The method_invocation_event call does this also.) + reset_counter_for_invocation_event(method); + } + // compilation at an invocation overflow no longer goes and retries test for + // compiled method. We always run the loser of the race as interpreted. + // so return NULL + return NULL; + } else { + // counter overflow in a loop => try to do on-stack-replacement + nmethod* osr_nm = method->lookup_osr_nmethod_for(bci, CompLevel_highest_tier, true); + NOT_PRODUCT(trace_osr_request(method, osr_nm, bci)); + // when code cache is full, we should not compile any more... + if (osr_nm == NULL && UseCompiler) { + method_back_branch_event(method, bci, CHECK_NULL); + osr_nm = method->lookup_osr_nmethod_for(bci, CompLevel_highest_tier, true); + } + if (osr_nm == NULL) { + reset_counter_for_back_branch_event(method); + return NULL; + } + return osr_nm; + } + return NULL; +} + +#ifndef PRODUCT +void NonTieredCompPolicy::trace_frequency_counter_overflow(methodHandle m, int branch_bci, int bci) { + if (TraceInvocationCounterOverflow) { + InvocationCounter* ic = m->invocation_counter(); + InvocationCounter* bc = m->backedge_counter(); + ResourceMark rm; + const char* msg = + bci == InvocationEntryBci + ? "comp-policy cntr ovfl @ %d in entry of " + : "comp-policy cntr ovfl @ %d in loop of "; + tty->print(msg, bci); + m->print_value(); + tty->cr(); + ic->print(); + bc->print(); + if (ProfileInterpreter) { + if (bci != InvocationEntryBci) { + methodDataOop mdo = m->method_data(); + if (mdo != NULL) { + int count = mdo->bci_to_data(branch_bci)->as_JumpData()->taken(); + tty->print_cr("back branch count = %d", count); + } + } + } + } +} + +void NonTieredCompPolicy::trace_osr_request(methodHandle method, nmethod* osr, int bci) { + if (TraceOnStackReplacement) { + ResourceMark rm; + tty->print(osr != NULL ? "Reused OSR entry for " : "Requesting OSR entry for "); + method->print_short_name(tty); + tty->print_cr(" at bci %d", bci); + } +} +#endif // !PRODUCT + // SimpleCompPolicy - compile current method void SimpleCompPolicy::method_invocation_event( methodHandle m, TRAPS) { @@ -137,59 +359,28 @@ reset_counter_for_invocation_event(m); const char* comment = "count"; - if (!delayCompilationDuringStartup() && canBeCompiled(m) && UseCompiler && CompileBroker::should_compile_new_jobs()) { + if (is_compilation_enabled() && can_be_compiled(m)) { nmethod* nm = m->code(); if (nm == NULL ) { const char* comment = "count"; - CompileBroker::compile_method(m, InvocationEntryBci, + CompileBroker::compile_method(m, InvocationEntryBci, CompLevel_highest_tier, m, hot_count, comment, CHECK); - } else { -#ifdef TIERED - - if (nm->is_compiled_by_c1()) { - const char* comment = "tier1 overflow"; - CompileBroker::compile_method(m, InvocationEntryBci, - m, hot_count, comment, CHECK); - } -#endif // TIERED } } } -void SimpleCompPolicy::method_back_branch_event(methodHandle m, int branch_bci, int loop_top_bci, TRAPS) { +void SimpleCompPolicy::method_back_branch_event(methodHandle m, int bci, TRAPS) { assert(UseCompiler || CompileTheWorld, "UseCompiler should be set by now."); int hot_count = m->backedge_count(); const char* comment = "backedge_count"; - if (!m->is_not_osr_compilable() && !delayCompilationDuringStartup() && canBeCompiled(m) && CompileBroker::should_compile_new_jobs()) { - CompileBroker::compile_method(m, loop_top_bci, m, hot_count, comment, CHECK); - - NOT_PRODUCT(trace_osr_completion(m->lookup_osr_nmethod_for(loop_top_bci));) + if (is_compilation_enabled() && !m->is_not_osr_compilable() && can_be_compiled(m)) { + CompileBroker::compile_method(m, bci, CompLevel_highest_tier, + m, hot_count, comment, CHECK); + NOT_PRODUCT(trace_osr_completion(m->lookup_osr_nmethod_for(bci, CompLevel_highest_tier, true));) } } - -int SimpleCompPolicy::compilation_level(methodHandle m, int branch_bci) -{ -#ifdef TIERED - if (!TieredCompilation) { - return CompLevel_highest_tier; - } - if (/* m()->tier1_compile_done() && */ - // QQQ HACK FIX ME set tier1_compile_done!! - !m()->is_native()) { - // Grab the nmethod so it doesn't go away while it's being queried - nmethod* code = m()->code(); - if (code != NULL && code->is_compiled_by_c1()) { - return CompLevel_highest_tier; - } - } - return CompLevel_fast_compile; -#else - return CompLevel_highest_tier; -#endif // TIERED -} - // StackWalkCompPolicy - walk up stack to find a suitable method to compile #ifdef COMPILER2 @@ -204,7 +395,7 @@ reset_counter_for_invocation_event(m); const char* comment = "count"; - if (m->code() == NULL && !delayCompilationDuringStartup() && canBeCompiled(m) && UseCompiler && CompileBroker::should_compile_new_jobs()) { + if (is_compilation_enabled() && m->code() == NULL && can_be_compiled(m)) { ResourceMark rm(THREAD); JavaThread *thread = (JavaThread*)THREAD; frame fr = thread->last_frame(); @@ -224,10 +415,6 @@ if (first->top_method()->code() != NULL) { // called obsolete method/nmethod -- no need to recompile if (TraceCompilationPolicy) tty->print_cr(" --> " INTPTR_FORMAT, first->top_method()->code()); - } else if (compilation_level(m, InvocationEntryBci) == CompLevel_fast_compile) { - // Tier1 compilation policy avaoids stack walking. - CompileBroker::compile_method(m, InvocationEntryBci, - m, hot_count, comment, CHECK); } else { if (TimeCompilationPolicy) accumulated_time()->start(); GrowableArray* stack = new GrowableArray(50); @@ -236,53 +423,25 @@ if (TimeCompilationPolicy) accumulated_time()->stop(); assert(top != NULL, "findTopInlinableFrame returned null"); if (TraceCompilationPolicy) top->print(); - CompileBroker::compile_method(top->top_method(), InvocationEntryBci, + CompileBroker::compile_method(top->top_method(), InvocationEntryBci, CompLevel_highest_tier, m, hot_count, comment, CHECK); } } } -void StackWalkCompPolicy::method_back_branch_event(methodHandle m, int branch_bci, int loop_top_bci, TRAPS) { +void StackWalkCompPolicy::method_back_branch_event(methodHandle m, int bci, TRAPS) { assert(UseCompiler || CompileTheWorld, "UseCompiler should be set by now."); int hot_count = m->backedge_count(); const char* comment = "backedge_count"; - if (!m->is_not_osr_compilable() && !delayCompilationDuringStartup() && canBeCompiled(m) && CompileBroker::should_compile_new_jobs()) { - CompileBroker::compile_method(m, loop_top_bci, m, hot_count, comment, CHECK); + if (is_compilation_enabled() && !m->is_not_osr_compilable() && can_be_compiled(m)) { + CompileBroker::compile_method(m, bci, CompLevel_highest_tier, m, hot_count, comment, CHECK); - NOT_PRODUCT(trace_osr_completion(m->lookup_osr_nmethod_for(loop_top_bci));) + NOT_PRODUCT(trace_osr_completion(m->lookup_osr_nmethod_for(bci, CompLevel_highest_tier, true));) } } -int StackWalkCompPolicy::compilation_level(methodHandle m, int osr_bci) -{ - int comp_level = CompLevel_full_optimization; - if (TieredCompilation && osr_bci == InvocationEntryBci) { - if (CompileTheWorld) { - // Under CTW, the first compile is tier1, the second tier2 - if (m->highest_tier_compile() == CompLevel_none) { - comp_level = CompLevel_fast_compile; - } - } else if (!m->has_osr_nmethod()) { - // Before tier1 is done, use invocation_count + backedge_count to - // compare against the threshold. After that, the counters may/will - // be reset, so rely on the straight interpreter_invocation_count. - if (m->highest_tier_compile() == CompLevel_initial_compile) { - if (m->interpreter_invocation_count() < Tier2CompileThreshold) { - comp_level = CompLevel_fast_compile; - } - } else if (m->invocation_count() + m->backedge_count() < - Tier2CompileThreshold) { - comp_level = CompLevel_fast_compile; - } - } - - } - return comp_level; -} - - RFrame* StackWalkCompPolicy::findTopInlinableFrame(GrowableArray* stack) { // go up the stack until finding a frame that (probably) won't be inlined // into its caller @@ -372,7 +531,7 @@ // If the caller method is too big or something then we do not want to // compile it just to inline a method - if (!canBeCompiled(next_m)) { + if (!can_be_compiled(next_m)) { msg = "caller cannot be compiled"; break; } diff -r 2966dab85b3e -r a25394352030 src/share/vm/runtime/compilationPolicy.hpp --- a/src/share/vm/runtime/compilationPolicy.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/runtime/compilationPolicy.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2000, 2006, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -25,53 +25,91 @@ // The CompilationPolicy selects which method (if any) should be compiled. // It also decides which methods must always be compiled (i.e., are never // interpreted). +class CompileTask; +class CompileQueue; class CompilationPolicy : public CHeapObj { - private: static CompilationPolicy* _policy; // Accumulated time static elapsedTimer _accumulated_time; static bool _in_vm_startup; - - public: - virtual void method_invocation_event(methodHandle m, TRAPS) = 0; - virtual void method_back_branch_event(methodHandle m, int branch_bci, int loop_top_bci, TRAPS) = 0; - virtual int compilation_level(methodHandle m, int branch_bci) = 0; - - void reset_counter_for_invocation_event(methodHandle method); - void reset_counter_for_back_branch_event(methodHandle method); - +public: static void set_in_vm_startup(bool in_vm_startup) { _in_vm_startup = in_vm_startup; } static void completed_vm_startup(); - static bool delayCompilationDuringStartup() { return _in_vm_startup; } + static bool delay_compilation_during_startup() { return _in_vm_startup; } - static bool mustBeCompiled(methodHandle m); // m must be compiled before executing it - static bool canBeCompiled(methodHandle m); // m is allowed to be compiled - + // m must be compiled before executing it + static bool must_be_compiled(methodHandle m, int comp_level = CompLevel_all); + // m is allowed to be compiled + static bool can_be_compiled(methodHandle m, int comp_level = CompLevel_all); + static bool is_compilation_enabled(); static void set_policy(CompilationPolicy* policy) { _policy = policy; } - static CompilationPolicy* policy() { return _policy; } + static CompilationPolicy* policy() { return _policy; } // Profiling elapsedTimer* accumulated_time() { return &_accumulated_time; } void print_time() PRODUCT_RETURN; + virtual int compiler_count(CompLevel comp_level) = 0; + // main notification entry, return a pointer to an nmethod if the OSR is required, + // returns NULL otherwise. + virtual nmethod* event(methodHandle method, methodHandle inlinee, int branch_bci, int bci, CompLevel comp_level, TRAPS) = 0; + // safepoint() is called at the end of the safepoint + virtual void do_safepoint_work() = 0; + // reprofile request + virtual void reprofile(ScopeDesc* trap_scope, bool is_osr) = 0; + // delay_compilation(method) can be called by any component of the runtime to notify the policy + // that it's recommended to delay the complation of this method. + virtual void delay_compilation(methodOop method) = 0; + // disable_compilation() is called whenever the runtime decides to disable compilation of the + // specified method. + virtual void disable_compilation(methodOop method) = 0; + // Select task is called by CompileBroker. The queue is guaranteed to have at least one + // element and is locked. The function should select one and return it. + virtual CompileTask* select_task(CompileQueue* compile_queue) = 0; + // Tell the runtime if we think a given method is adequately profiled. + virtual bool is_mature(methodOop method) = 0; + // Do policy initialization + virtual void initialize() = 0; }; -class SimpleCompPolicy : public CompilationPolicy { +// A base class for baseline policies. +class NonTieredCompPolicy : public CompilationPolicy { + int _compiler_count; +protected: + static void trace_frequency_counter_overflow(methodHandle m, int branch_bci, int bci); + static void trace_osr_request(methodHandle method, nmethod* osr, int bci); + static void trace_osr_completion(nmethod* osr_nm); + void reset_counter_for_invocation_event(methodHandle method); + void reset_counter_for_back_branch_event(methodHandle method); +public: + NonTieredCompPolicy() : _compiler_count(0) { } + virtual int compiler_count(CompLevel comp_level); + virtual void do_safepoint_work(); + virtual void reprofile(ScopeDesc* trap_scope, bool is_osr); + virtual void delay_compilation(methodOop method); + virtual void disable_compilation(methodOop method); + virtual bool is_mature(methodOop method); + virtual void initialize(); + virtual CompileTask* select_task(CompileQueue* compile_queue); + virtual nmethod* event(methodHandle method, methodHandle inlinee, int branch_bci, int bci, CompLevel comp_level, TRAPS); + virtual void method_invocation_event(methodHandle m, TRAPS) = 0; + virtual void method_back_branch_event(methodHandle m, int bci, TRAPS) = 0; +}; + +class SimpleCompPolicy : public NonTieredCompPolicy { public: - void method_invocation_event( methodHandle m, TRAPS); - void method_back_branch_event(methodHandle m, int branch_bci, int loop_top_bci, TRAPS); - int compilation_level(methodHandle m, int branch_bci); + virtual void method_invocation_event(methodHandle m, TRAPS); + virtual void method_back_branch_event(methodHandle m, int bci, TRAPS); }; // StackWalkCompPolicy - existing C2 policy #ifdef COMPILER2 -class StackWalkCompPolicy : public CompilationPolicy { +class StackWalkCompPolicy : public NonTieredCompPolicy { public: - void method_invocation_event(methodHandle m, TRAPS); - void method_back_branch_event(methodHandle m, int branch_bci, int loop_top_bci, TRAPS); - int compilation_level(methodHandle m, int branch_bci); + virtual void method_invocation_event(methodHandle m, TRAPS); + virtual void method_back_branch_event(methodHandle m, int bci, TRAPS); private: RFrame* findTopInlinableFrame(GrowableArray* stack); diff -r 2966dab85b3e -r a25394352030 src/share/vm/runtime/deoptimization.cpp --- a/src/share/vm/runtime/deoptimization.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/runtime/deoptimization.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -1301,7 +1301,7 @@ bool update_trap_state = true; bool make_not_entrant = false; bool make_not_compilable = false; - bool reset_counters = false; + bool reprofile = false; switch (action) { case Action_none: // Keep the old code. @@ -1328,7 +1328,7 @@ // had been traps taken from compiled code. This will update // the MDO trap history so that the next compilation will // properly detect hot trap sites. - reset_counters = true; + reprofile = true; break; case Action_make_not_entrant: // Request immediate recompilation, and get rid of the old code. @@ -1422,7 +1422,7 @@ // this trap point already, run the method in the interpreter // for a while to exercise it more thoroughly. if (make_not_entrant && maybe_prior_recompile && maybe_prior_trap) { - reset_counters = true; + reprofile = true; } } @@ -1452,24 +1452,21 @@ if (trap_method() == nm->method()) { make_not_compilable = true; } else { - trap_method->set_not_compilable(); + trap_method->set_not_compilable(CompLevel_full_optimization); // But give grace to the enclosing nm->method(). } } } - // Reset invocation counters - if (reset_counters) { - if (nm->is_osr_method()) - reset_invocation_counter(trap_scope, CompileThreshold); - else - reset_invocation_counter(trap_scope); + // Reprofile + if (reprofile) { + CompilationPolicy::policy()->reprofile(trap_scope, nm->is_osr_method()); } // Give up compiling - if (make_not_compilable && !nm->method()->is_not_compilable()) { + if (make_not_compilable && !nm->method()->is_not_compilable(CompLevel_full_optimization)) { assert(make_not_entrant, "consistent"); - nm->method()->set_not_compilable(); + nm->method()->set_not_compilable(CompLevel_full_optimization); } } // Free marked resources @@ -1569,22 +1566,6 @@ ignore_maybe_prior_recompile); } -void Deoptimization::reset_invocation_counter(ScopeDesc* trap_scope, jint top_count) { - ScopeDesc* sd = trap_scope; - for (; !sd->is_top(); sd = sd->sender()) { - // Reset ICs of inlined methods, since they can trigger compilations also. - sd->method()->invocation_counter()->reset(); - } - InvocationCounter* c = sd->method()->invocation_counter(); - if (top_count != _no_count) { - // It was an OSR method, so bump the count higher. - c->set(c->state(), top_count); - } else { - c->reset(); - } - sd->method()->backedge_counter()->reset(); -} - Deoptimization::UnrollBlock* Deoptimization::uncommon_trap(JavaThread* thread, jint trap_request) { // Still in Java no safepoints diff -r 2966dab85b3e -r a25394352030 src/share/vm/runtime/deoptimization.hpp --- a/src/share/vm/runtime/deoptimization.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/runtime/deoptimization.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -311,12 +311,6 @@ static void popframe_preserve_args(JavaThread* thread, int bytes_to_save, void* start_address); private: - enum { - _no_count = -1 - }; - - static void reset_invocation_counter(ScopeDesc* trap_scope, jint count = _no_count); - static methodDataOop get_method_data(JavaThread* thread, methodHandle m, bool create_if_missing); // Update the mdo's count and per-BCI reason bits, returning previous state: static ProfileData* query_update_method_data(methodDataHandle trap_mdo, diff -r 2966dab85b3e -r a25394352030 src/share/vm/runtime/dtraceJSDT.cpp --- a/src/share/vm/runtime/dtraceJSDT.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/runtime/dtraceJSDT.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -65,7 +65,7 @@ THROW_MSG_0(vmSymbols::java_lang_RuntimeException(), "Unable to register DTrace probes (CodeCache: no room for DTrace nmethods)."); } - h_method()->set_not_compilable(CompLevel_highest_tier); + h_method()->set_not_compilable(); h_method()->set_code(h_method, nm); probes->nmethod_at_put(count++, nm); } diff -r 2966dab85b3e -r a25394352030 src/share/vm/runtime/globals.hpp --- a/src/share/vm/runtime/globals.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/runtime/globals.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -35,14 +35,7 @@ define_pd_global(bool, TieredCompilation, false); define_pd_global(intx, CompileThreshold, 0); -define_pd_global(intx, Tier2CompileThreshold, 0); -define_pd_global(intx, Tier3CompileThreshold, 0); -define_pd_global(intx, Tier4CompileThreshold, 0); - define_pd_global(intx, BackEdgeThreshold, 0); -define_pd_global(intx, Tier2BackEdgeThreshold, 0); -define_pd_global(intx, Tier3BackEdgeThreshold, 0); -define_pd_global(intx, Tier4BackEdgeThreshold, 0); define_pd_global(intx, OnStackReplacePercentage, 0); define_pd_global(bool, ResizeTLAB, false); @@ -1974,7 +1967,7 @@ product(uintx, TenuredGenerationSizeSupplementDecay, 2, \ "Decay factor to TenuredGenerationSizeIncrement") \ \ - product(uintx, MaxGCPauseMillis, max_uintx, \ + product(uintx, MaxGCPauseMillis, max_uintx, \ "Adaptive size policy maximum GC pause time goal in msec, " \ "or (G1 Only) the max. GC time per MMU time slice") \ \ @@ -2369,9 +2362,6 @@ develop(bool, EagerInitialization, false, \ "Eagerly initialize classes if possible") \ \ - product(bool, Tier1UpdateMethodData, trueInTiered, \ - "Update methodDataOops in Tier1-generated code") \ - \ develop(bool, TraceMethodReplacement, false, \ "Print when methods are replaced do to recompilation") \ \ @@ -2904,7 +2894,7 @@ "if non-zero, start verifying C heap after Nth call to " \ "malloc/realloc/free") \ \ - product(intx, TypeProfileWidth, 2, \ + product(intx, TypeProfileWidth, 2, \ "number of receiver types to record in call/cast profile") \ \ develop(intx, BciProfileWidth, 2, \ @@ -3312,30 +3302,98 @@ product_pd(intx, BackEdgeThreshold, \ "Interpreter Back edge threshold at which an OSR compilation is invoked")\ \ - product(intx, Tier1BytecodeLimit, 10, \ - "Must have at least this many bytecodes before tier1" \ - "invocation counters are used") \ - \ - product_pd(intx, Tier2CompileThreshold, \ - "threshold at which a tier 2 compilation is invoked") \ - \ - product_pd(intx, Tier2BackEdgeThreshold, \ - "Back edge threshold at which a tier 2 compilation is invoked") \ - \ - product_pd(intx, Tier3CompileThreshold, \ - "threshold at which a tier 3 compilation is invoked") \ - \ - product_pd(intx, Tier3BackEdgeThreshold, \ - "Back edge threshold at which a tier 3 compilation is invoked") \ - \ - product_pd(intx, Tier4CompileThreshold, \ - "threshold at which a tier 4 compilation is invoked") \ - \ - product_pd(intx, Tier4BackEdgeThreshold, \ - "Back edge threshold at which a tier 4 compilation is invoked") \ + product(intx, Tier0InvokeNotifyFreqLog, 7, \ + "Interpreter (tier 0) invocation notification frequency.") \ + \ + product(intx, Tier2InvokeNotifyFreqLog, 11, \ + "C1 without MDO (tier 2) invocation notification frequency.") \ + \ + product(intx, Tier3InvokeNotifyFreqLog, 10, \ + "C1 with MDO profiling (tier 3) invocation notification " \ + "frequency.") \ + \ + product(intx, Tier0BackedgeNotifyFreqLog, 10, \ + "Interpreter (tier 0) invocation notification frequency.") \ + \ + product(intx, Tier2BackedgeNotifyFreqLog, 14, \ + "C1 without MDO (tier 2) invocation notification frequency.") \ + \ + product(intx, Tier3BackedgeNotifyFreqLog, 13, \ + "C1 with MDO profiling (tier 3) invocation notification " \ + "frequency.") \ + \ + product(intx, Tier2CompileThreshold, 0, \ + "threshold at which tier 2 compilation is invoked") \ + \ + product(intx, Tier2BackEdgeThreshold, 0, \ + "Back edge threshold at which tier 2 compilation is invoked") \ + \ + product(intx, Tier3InvocationThreshold, 200, \ + "Compile if number of method invocations crosses this " \ + "threshold") \ + \ + product(intx, Tier3MinInvocationThreshold, 100, \ + "Minimum invocation to compile at tier 3") \ + \ + product(intx, Tier3CompileThreshold, 2000, \ + "Threshold at which tier 3 compilation is invoked (invocation " \ + "minimum must be satisfied.") \ + \ + product(intx, Tier3BackEdgeThreshold, 7000, \ + "Back edge threshold at which tier 3 OSR compilation is invoked") \ + \ + product(intx, Tier4InvocationThreshold, 5000, \ + "Compile if number of method invocations crosses this " \ + "threshold") \ + \ + product(intx, Tier4MinInvocationThreshold, 600, \ + "Minimum invocation to compile at tier 4") \ + \ + product(intx, Tier4CompileThreshold, 15000, \ + "Threshold at which tier 4 compilation is invoked (invocation " \ + "minimum must be satisfied.") \ + \ + product(intx, Tier4BackEdgeThreshold, 40000, \ + "Back edge threshold at which tier 4 OSR compilation is invoked") \ + \ + product(intx, Tier3DelayOn, 5, \ + "If C2 queue size grows over this amount per compiler thread " \ + "stop compiling at tier 3 and start compiling at tier 2") \ + \ + product(intx, Tier3DelayOff, 2, \ + "If C2 queue size is less than this amount per compiler thread " \ + "allow methods compiled at tier 2 transition to tier 3") \ + \ + product(intx, Tier3LoadFeedback, 5, \ + "Tier 3 thresholds will increase twofold when C1 queue size " \ + "reaches this amount per compiler thread") \ + \ + product(intx, Tier4LoadFeedback, 3, \ + "Tier 4 thresholds will increase twofold when C2 queue size " \ + "reaches this amount per compiler thread") \ + \ + product(intx, TieredCompileTaskTimeout, 50, \ + "Kill compile task if method was not used within " \ + "given timeout in milliseconds") \ + \ + product(intx, TieredStopAtLevel, 4, \ + "Stop at given compilation level") \ + \ + product(intx, Tier0ProfilingStartPercentage, 200, \ + "Start profiling in interpreter if the counters exceed tier 3" \ + "thresholds by the specified percentage") \ + \ + product(intx, TieredRateUpdateMinTime, 1, \ + "Minimum rate sampling interval (in milliseconds)") \ + \ + product(intx, TieredRateUpdateMaxTime, 25, \ + "Maximum rate sampling interval (in milliseconds)") \ \ product_pd(bool, TieredCompilation, \ - "Enable two-tier compilation") \ + "Enable tiered compilation") \ + \ + product(bool, PrintTieredEvents, false, \ + "Print tiered events notifications") \ \ product(bool, StressTieredRuntime, false, \ "Alternate client and server compiler on compile requests") \ diff -r 2966dab85b3e -r a25394352030 src/share/vm/runtime/java.cpp --- a/src/share/vm/runtime/java.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/runtime/java.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -198,7 +198,7 @@ if (CountCompiledCalls) { print_method_invocation_histogram(); } - if (ProfileInterpreter || Tier1UpdateMethodData) { + if (ProfileInterpreter || C1UpdateMethodData) { print_method_profiling_data(); } if (TimeCompiler) { diff -r 2966dab85b3e -r a25394352030 src/share/vm/runtime/javaCalls.cpp --- a/src/share/vm/runtime/javaCalls.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/runtime/javaCalls.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -329,9 +329,10 @@ assert(!thread->is_Compiler_thread(), "cannot compile from the compiler"); - if (CompilationPolicy::mustBeCompiled(method)) { + if (CompilationPolicy::must_be_compiled(method)) { CompileBroker::compile_method(method, InvocationEntryBci, - methodHandle(), 0, "mustBeCompiled", CHECK); + CompLevel_initial_compile, + methodHandle(), 0, "must_be_compiled", CHECK); } // Since the call stub sets up like the interpreter we call the from_interpreted_entry diff -r 2966dab85b3e -r a25394352030 src/share/vm/runtime/safepoint.cpp --- a/src/share/vm/runtime/safepoint.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/runtime/safepoint.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -430,29 +430,7 @@ return false; } -jlong CounterDecay::_last_timestamp = 0; -static void do_method(methodOop m) { - m->invocation_counter()->decay(); -} - -void CounterDecay::decay() { - _last_timestamp = os::javaTimeMillis(); - - // This operation is going to be performed only at the end of a safepoint - // and hence GC's will not be going on, all Java mutators are suspended - // at this point and hence SystemDictionary_lock is also not needed. - assert(SafepointSynchronize::is_at_safepoint(), "can only be executed at a safepoint"); - int nclasses = SystemDictionary::number_of_classes(); - double classes_per_tick = nclasses * (CounterDecayMinIntervalLength * 1e-3 / - CounterHalfLifeTime); - for (int i = 0; i < classes_per_tick; i++) { - klassOop k = SystemDictionary::try_get_next_class(); - if (k != NULL && k->klass_part()->oop_is_instance()) { - instanceKlass::cast(k)->methods_do(do_method); - } - } -} // Various cleaning tasks that should be done periodically at safepoints void SafepointSynchronize::do_cleanup_tasks() { @@ -465,10 +443,9 @@ TraceTime t2("updating inline caches", TraceSafepointCleanupTime); InlineCacheBuffer::update_inline_caches(); } - - if(UseCounterDecay && CounterDecay::is_decay_needed()) { - TraceTime t3("decaying counter", TraceSafepointCleanupTime); - CounterDecay::decay(); + { + TraceTime t3("compilation policy safepoint handler", TraceSafepointCleanupTime); + CompilationPolicy::policy()->do_safepoint_work(); } TraceTime t4("sweeping nmethods", TraceSafepointCleanupTime); diff -r 2966dab85b3e -r a25394352030 src/share/vm/runtime/safepoint.hpp --- a/src/share/vm/runtime/safepoint.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/runtime/safepoint.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2007, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -147,6 +147,9 @@ static long last_non_safepoint_interval() { return os::javaTimeMillis() - _end_of_last_safepoint; } + static long end_of_last_safepoint() { + return _end_of_last_safepoint; + } static bool is_cleanup_needed(); static void do_cleanup_tasks(); @@ -228,15 +231,4 @@ } }; -// -// CounterDecay -// -// Interates through invocation counters and decrements them. This -// is done at each safepoint. -// -class CounterDecay : public AllStatic { - static jlong _last_timestamp; - public: - static void decay(); - static bool is_decay_needed() { return (os::javaTimeMillis() - _last_timestamp) > CounterDecayMinIntervalLength; } -}; + diff -r 2966dab85b3e -r a25394352030 src/share/vm/runtime/sharedRuntime.cpp --- a/src/share/vm/runtime/sharedRuntime.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/runtime/sharedRuntime.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -1633,8 +1633,13 @@ char* SharedRuntime::generate_wrong_method_type_message(JavaThread* thread, oopDesc* required, oopDesc* actual) { + if (TraceMethodHandles) { + tty->print_cr("WrongMethodType thread="PTR_FORMAT" req="PTR_FORMAT" act="PTR_FORMAT"", + thread, required, actual); + } assert(EnableMethodHandles, ""); oop singleKlass = wrong_method_type_is_for_single_argument(thread, required); + char* message = NULL; if (singleKlass != NULL) { const char* objName = "argument or return value"; if (actual != NULL) { @@ -1647,7 +1652,7 @@ Klass* targetKlass = Klass::cast(required->is_klass() ? (klassOop)required : java_lang_Class::as_klassOop(required)); - return generate_class_cast_message(objName, targetKlass->external_name()); + message = generate_class_cast_message(objName, targetKlass->external_name()); } else { // %%% need to get the MethodType string, without messing around too much // Get a signature from the invoke instruction @@ -1679,9 +1684,13 @@ if (mhName[0] == '$') mhName = actual_method->signature()->as_C_string(); } - return generate_class_cast_message(mhName, targetType, - " cannot be called as "); + message = generate_class_cast_message(mhName, targetType, + " cannot be called as "); } + if (TraceMethodHandles) { + tty->print_cr("WrongMethodType => message=%s", message); + } + return message; } oop SharedRuntime::wrong_method_type_is_for_single_argument(JavaThread* thr, diff -r 2966dab85b3e -r a25394352030 src/share/vm/runtime/simpleThresholdPolicy.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/runtime/simpleThresholdPolicy.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -0,0 +1,377 @@ +/* + * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +# include "incls/_precompiled.incl" +# include "incls/_simpleThresholdPolicy.cpp.incl" + +// Print an event. +void SimpleThresholdPolicy::print_event(EventType type, methodHandle mh, methodHandle imh, + int bci, CompLevel level) { + bool inlinee_event = mh() != imh(); + + ttyLocker tty_lock; + tty->print("%lf: [", os::elapsedTime()); + + int invocation_count = mh->invocation_count(); + int backedge_count = mh->backedge_count(); + switch(type) { + case CALL: + tty->print("call"); + break; + case LOOP: + tty->print("loop"); + break; + case COMPILE: + tty->print("compile"); + } + + tty->print(" level: %d ", level); + + ResourceMark rm; + char *method_name = mh->name_and_sig_as_C_string(); + tty->print("[%s", method_name); + // We can have an inlinee, although currently we don't generate any notifications for the inlined methods. + if (inlinee_event) { + char *inlinee_name = imh->name_and_sig_as_C_string(); + tty->print(" [%s]] ", inlinee_name); + } + else tty->print("] "); + tty->print("@%d queues: %d,%d", bci, CompileBroker::queue_size(CompLevel_full_profile), + CompileBroker::queue_size(CompLevel_full_optimization)); + + print_specific(type, mh, imh, bci, level); + + if (type != COMPILE) { + methodDataHandle mdh = mh->method_data(); + int mdo_invocations = 0, mdo_backedges = 0; + if (mdh() != NULL) { + mdo_invocations = mdh->invocation_count(); + mdo_backedges = mdh->backedge_count(); + } + tty->print(" total: %d,%d mdo: %d,%d", + invocation_count, backedge_count, + mdo_invocations, mdo_backedges); + tty->print(" max levels: %d,%d", + mh->highest_comp_level(), mh->highest_osr_comp_level()); + if (inlinee_event) { + tty->print(" inlinee max levels: %d,%d", imh->highest_comp_level(), imh->highest_osr_comp_level()); + } + tty->print(" compilable: "); + bool need_comma = false; + if (!mh->is_not_compilable(CompLevel_full_profile)) { + tty->print("c1"); + need_comma = true; + } + if (!mh->is_not_compilable(CompLevel_full_optimization)) { + if (need_comma) tty->print(", "); + tty->print("c2"); + need_comma = true; + } + if (!mh->is_not_osr_compilable()) { + if (need_comma) tty->print(", "); + tty->print("osr"); + } + tty->print(" status:"); + if (mh->queued_for_compilation()) { + tty->print(" in queue"); + } else tty->print(" idle"); + } + tty->print_cr("]"); +} + +void SimpleThresholdPolicy::initialize() { + if (FLAG_IS_DEFAULT(CICompilerCount)) { + FLAG_SET_DEFAULT(CICompilerCount, 3); + } + int count = CICompilerCount; + if (CICompilerCountPerCPU) { + count = MAX2(log2_intptr(os::active_processor_count()), 1) * 3 / 2; + } + set_c1_count(MAX2(count / 3, 1)); + set_c2_count(MAX2(count - count / 3, 1)); +} + +void SimpleThresholdPolicy::set_carry_if_necessary(InvocationCounter *counter) { + if (!counter->carry() && counter->count() > InvocationCounter::count_limit / 2) { + counter->set_carry_flag(); + } +} + +// Set carry flags on the counters if necessary +void SimpleThresholdPolicy::handle_counter_overflow(methodOop method) { + set_carry_if_necessary(method->invocation_counter()); + set_carry_if_necessary(method->backedge_counter()); + methodDataOop mdo = method->method_data(); + if (mdo != NULL) { + set_carry_if_necessary(mdo->invocation_counter()); + set_carry_if_necessary(mdo->backedge_counter()); + } +} + +// Called with the queue locked and with at least one element +CompileTask* SimpleThresholdPolicy::select_task(CompileQueue* compile_queue) { + return compile_queue->first(); +} + +nmethod* SimpleThresholdPolicy::event(methodHandle method, methodHandle inlinee, + int branch_bci, int bci, CompLevel comp_level, TRAPS) { + if (comp_level == CompLevel_none && + JvmtiExport::can_post_interpreter_events()) { + assert(THREAD->is_Java_thread(), "Should be java thread"); + if (((JavaThread*)THREAD)->is_interp_only_mode()) { + return NULL; + } + } + nmethod *osr_nm = NULL; + + handle_counter_overflow(method()); + if (method() != inlinee()) { + handle_counter_overflow(inlinee()); + } + + if (PrintTieredEvents) { + print_event(bci == InvocationEntryBci ? CALL : LOOP, method, inlinee, bci, comp_level); + } + + if (bci == InvocationEntryBci) { + method_invocation_event(method, inlinee, comp_level, THREAD); + } else { + method_back_branch_event(method, inlinee, bci, comp_level, THREAD); + int highest_level = method->highest_osr_comp_level(); + if (highest_level > comp_level) { + osr_nm = method->lookup_osr_nmethod_for(bci, highest_level, false); + } + } + return osr_nm; +} + +// Check if the method can be compiled, change level if necessary +void SimpleThresholdPolicy::compile(methodHandle mh, int bci, CompLevel level, TRAPS) { + // Take the given ceiling into the account. + // NOTE: You can set it to 1 to get a pure C1 version. + if ((CompLevel)TieredStopAtLevel < level) { + level = (CompLevel)TieredStopAtLevel; + } + if (level == CompLevel_none) { + return; + } + // Check if the method can be compiled, if not - try different levels. + if (!can_be_compiled(mh, level)) { + if (level < CompLevel_full_optimization && can_be_compiled(mh, CompLevel_full_optimization)) { + compile(mh, bci, CompLevel_full_optimization, THREAD); + } + if (level == CompLevel_full_optimization && can_be_compiled(mh, CompLevel_simple)) { + compile(mh, bci, CompLevel_simple, THREAD); + } + return; + } + if (bci != InvocationEntryBci && mh->is_not_osr_compilable()) { + return; + } + if (PrintTieredEvents) { + print_event(COMPILE, mh, mh, bci, level); + } + if (!CompileBroker::compilation_is_in_queue(mh, bci)) { + submit_compile(mh, bci, level, THREAD); + } +} + +// Tell the broker to compile the method +void SimpleThresholdPolicy::submit_compile(methodHandle mh, int bci, CompLevel level, TRAPS) { + int hot_count = (bci == InvocationEntryBci) ? mh->invocation_count() : mh->backedge_count(); + CompileBroker::compile_method(mh, bci, level, mh, hot_count, "tiered", THREAD); +} + +// Call and loop predicates determine whether a transition to a higher +// compilation level should be performed (pointers to predicate functions +// are passed to common() transition function). +bool SimpleThresholdPolicy::loop_predicate(int i, int b, CompLevel cur_level) { + switch(cur_level) { + case CompLevel_none: + case CompLevel_limited_profile: { + return loop_predicate_helper(i, b, 1.0); + } + case CompLevel_full_profile: { + return loop_predicate_helper(i, b, 1.0); + } + default: + return true; + } +} + +bool SimpleThresholdPolicy::call_predicate(int i, int b, CompLevel cur_level) { + switch(cur_level) { + case CompLevel_none: + case CompLevel_limited_profile: { + return call_predicate_helper(i, b, 1.0); + } + case CompLevel_full_profile: { + return call_predicate_helper(i, b, 1.0); + } + default: + return true; + } +} + +// Determine is a method is mature. +bool SimpleThresholdPolicy::is_mature(methodOop method) { + if (is_trivial(method)) return true; + methodDataOop mdo = method->method_data(); + if (mdo != NULL) { + int i = mdo->invocation_count(); + int b = mdo->backedge_count(); + double k = ProfileMaturityPercentage / 100.0; + return call_predicate_helper(i, b, k) || + loop_predicate_helper(i, b, k); + } + return false; +} + +// Common transition function. Given a predicate determines if a method should transition to another level. +CompLevel SimpleThresholdPolicy::common(Predicate p, methodOop method, CompLevel cur_level) { + CompLevel next_level = cur_level; + int i = method->invocation_count(); + int b = method->backedge_count(); + + switch(cur_level) { + case CompLevel_none: + { + methodDataOop mdo = method->method_data(); + if (mdo != NULL) { + int mdo_i = mdo->invocation_count(); + int mdo_b = mdo->backedge_count(); + // If we were at full profile level, would we switch to full opt? + if ((this->*p)(mdo_i, mdo_b, CompLevel_full_profile)) { + next_level = CompLevel_full_optimization; + } + } + } + if (next_level == cur_level && (this->*p)(i, b, cur_level)) { + if (is_trivial(method)) { + next_level = CompLevel_simple; + } else { + next_level = CompLevel_full_profile; + } + } + break; + case CompLevel_limited_profile: + case CompLevel_full_profile: + if (is_trivial(method)) { + next_level = CompLevel_simple; + } else { + methodDataOop mdo = method->method_data(); + guarantee(mdo != NULL, "MDO should always exist"); + if (mdo->would_profile()) { + int mdo_i = mdo->invocation_count(); + int mdo_b = mdo->backedge_count(); + if ((this->*p)(mdo_i, mdo_b, cur_level)) { + next_level = CompLevel_full_optimization; + } + } else { + next_level = CompLevel_full_optimization; + } + } + break; + } + return next_level; +} + +// Determine if a method should be compiled with a normal entry point at a different level. +CompLevel SimpleThresholdPolicy::call_event(methodOop method, CompLevel cur_level) { + CompLevel highest_level = (CompLevel)method->highest_comp_level(); + if (cur_level == CompLevel_none && highest_level > cur_level) { + // TODO: We may want to try to do more extensive reprofiling in this case. + return highest_level; + } + + CompLevel osr_level = (CompLevel) method->highest_osr_comp_level(); + CompLevel next_level = common(&SimpleThresholdPolicy::call_predicate, method, cur_level); + + // If OSR method level is greater than the regular method level, the levels should be + // equalized by raising the regular method level in order to avoid OSRs during each + // invocation of the method. + if (osr_level == CompLevel_full_optimization && cur_level == CompLevel_full_profile) { + methodDataOop mdo = method->method_data(); + guarantee(mdo != NULL, "MDO should not be NULL"); + if (mdo->invocation_count() >= 1) { + next_level = CompLevel_full_optimization; + } + } else { + next_level = MAX2(osr_level, next_level); + } + + return next_level; +} + +// Determine if we should do an OSR compilation of a given method. +CompLevel SimpleThresholdPolicy::loop_event(methodOop method, CompLevel cur_level) { + if (cur_level == CompLevel_none) { + // If there is a live OSR method that means that we deopted to the interpreter + // for the transition. + CompLevel osr_level = (CompLevel)method->highest_osr_comp_level(); + if (osr_level > CompLevel_none) { + return osr_level; + } + } + return common(&SimpleThresholdPolicy::loop_predicate, method, cur_level); +} + + +// Handle the invocation event. +void SimpleThresholdPolicy::method_invocation_event(methodHandle mh, methodHandle imh, + CompLevel level, TRAPS) { + if (is_compilation_enabled() && !CompileBroker::compilation_is_in_queue(mh, InvocationEntryBci)) { + CompLevel next_level = call_event(mh(), level); + if (next_level != level) { + compile(mh, InvocationEntryBci, next_level, THREAD); + } + } +} + +// Handle the back branch event. Notice that we can compile the method +// with a regular entry from here. +void SimpleThresholdPolicy::method_back_branch_event(methodHandle mh, methodHandle imh, + int bci, CompLevel level, TRAPS) { + // If the method is already compiling, quickly bail out. + if (is_compilation_enabled() && !CompileBroker::compilation_is_in_queue(mh, bci)) { + // Use loop event as an opportinity to also check there's been + // enough calls. + CompLevel cur_level = comp_level(mh()); + CompLevel next_level = call_event(mh(), cur_level); + CompLevel next_osr_level = loop_event(mh(), level); + + next_level = MAX2(next_level, + next_osr_level < CompLevel_full_optimization ? next_osr_level : cur_level); + bool is_compiling = false; + if (next_level != cur_level) { + compile(mh, InvocationEntryBci, next_level, THREAD); + is_compiling = true; + } + + // Do the OSR version + if (!is_compiling && next_osr_level != level) { + compile(mh, bci, next_osr_level, THREAD); + } + } +} diff -r 2966dab85b3e -r a25394352030 src/share/vm/runtime/simpleThresholdPolicy.hpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/runtime/simpleThresholdPolicy.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -0,0 +1,107 @@ +/* + * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +class CompileTask; +class CompileQueue; + +class SimpleThresholdPolicy : public CompilationPolicy { + int _c1_count, _c2_count; + + // Check if the counter is big enough and set carry (effectively infinity). + inline void set_carry_if_necessary(InvocationCounter *counter); + // Set carry flags in the counters (in methodOop and MDO). + inline void handle_counter_overflow(methodOop method); + // Call and loop predicates determine whether a transition to a higher compilation + // level should be performed (pointers to predicate functions are passed to common_TF(). + // Predicates also take compiler load into account. + typedef bool (SimpleThresholdPolicy::*Predicate)(int i, int b, CompLevel cur_level); + bool call_predicate(int i, int b, CompLevel cur_level); + bool loop_predicate(int i, int b, CompLevel cur_level); + // Common transition function. Given a predicate determines if a method should transition to another level. + CompLevel common(Predicate p, methodOop method, CompLevel cur_level); + // Transition functions. + // call_event determines if a method should be compiled at a different + // level with a regular invocation entry. + CompLevel call_event(methodOop method, CompLevel cur_level); + // loop_event checks if a method should be OSR compiled at a different + // level. + CompLevel loop_event(methodOop method, CompLevel cur_level); + +protected: + int c1_count() const { return _c1_count; } + int c2_count() const { return _c2_count; } + void set_c1_count(int x) { _c1_count = x; } + void set_c2_count(int x) { _c2_count = x; } + + enum EventType { CALL, LOOP, COMPILE }; + void print_event(EventType type, methodHandle mh, methodHandle imh, int bci, CompLevel level); + // Print policy-specific information if necessary + virtual void print_specific(EventType type, methodHandle mh, methodHandle imh, int bci, CompLevel level) { } + // Check if the method can be compiled, change level if necessary + void compile(methodHandle mh, int bci, CompLevel level, TRAPS); + // Submit a given method for compilation + virtual void submit_compile(methodHandle mh, int bci, CompLevel level, TRAPS); + // Simple methods are as good being compiled with C1 as C2. + // This function tells if it's such a function. + inline bool is_trivial(methodOop method); + + // Predicate helpers are used by .*_predicate() methods as well as others. + // They check the given counter values, multiplied by the scale against the thresholds. + template static inline bool call_predicate_helper(int i, int b, double scale); + template static inline bool loop_predicate_helper(int i, int b, double scale); + + // Get a compilation level for a given method. + static CompLevel comp_level(methodOop method) { + nmethod *nm = method->code(); + if (nm != NULL && nm->is_in_use()) { + return (CompLevel)nm->comp_level(); + } + return CompLevel_none; + } + virtual void method_invocation_event(methodHandle method, methodHandle inlinee, + CompLevel level, TRAPS); + virtual void method_back_branch_event(methodHandle method, methodHandle inlinee, + int bci, CompLevel level, TRAPS); +public: + SimpleThresholdPolicy() : _c1_count(0), _c2_count(0) { } + virtual int compiler_count(CompLevel comp_level) { + if (is_c1_compile(comp_level)) return c1_count(); + if (is_c2_compile(comp_level)) return c2_count(); + return 0; + } + virtual void do_safepoint_work() { } + virtual void delay_compilation(methodOop method) { } + virtual void disable_compilation(methodOop method) { } + // TODO: we should honour reprofiling requests in the future. Currently reprofiling + // would happen but not to the extent we would ideally like. + virtual void reprofile(ScopeDesc* trap_scope, bool is_osr) { } + virtual nmethod* event(methodHandle method, methodHandle inlinee, + int branch_bci, int bci, CompLevel comp_level, TRAPS); + // Select task is called by CompileBroker. We should return a task or NULL. + virtual CompileTask* select_task(CompileQueue* compile_queue); + // Tell the runtime if we think a given method is adequately profiled. + virtual bool is_mature(methodOop method); + // Initialize: set compiler thread count + virtual void initialize(); +}; diff -r 2966dab85b3e -r a25394352030 src/share/vm/runtime/simpleThresholdPolicy.inline.hpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/runtime/simpleThresholdPolicy.inline.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -0,0 +1,64 @@ +/* + * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + + +template +bool SimpleThresholdPolicy::call_predicate_helper(int i, int b, double scale) { + switch(level) { + case CompLevel_none: + case CompLevel_limited_profile: + return (i > Tier3InvocationThreshold * scale) || + (i > Tier3MinInvocationThreshold * scale && i + b > Tier3CompileThreshold * scale); + case CompLevel_full_profile: + return (i > Tier4InvocationThreshold * scale) || + (i > Tier4MinInvocationThreshold * scale && i + b > Tier4CompileThreshold * scale); + } + return true; +} + +template +bool SimpleThresholdPolicy::loop_predicate_helper(int i, int b, double scale) { + switch(level) { + case CompLevel_none: + case CompLevel_limited_profile: + return b > Tier3BackEdgeThreshold * scale; + case CompLevel_full_profile: + return b > Tier4BackEdgeThreshold * scale; + } + return true; +} + +// Simple methods are as good being compiled with C1 as C2. +// Determine if a given method is such a case. +bool SimpleThresholdPolicy::is_trivial(methodOop method) { + if (method->is_accessor()) return true; + if (method->code() != NULL) { + methodDataOop mdo = method->method_data(); + if (mdo != NULL && mdo->num_loops() == 0 && + (method->code_size() < 5 || (mdo->num_blocks() < 4) && (method->code_size() < 15))) { + return !mdo->would_profile(); + } + } + return false; +} diff -r 2966dab85b3e -r a25394352030 src/share/vm/runtime/sweeper.cpp --- a/src/share/vm/runtime/sweeper.cpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/runtime/sweeper.cpp Wed Sep 22 12:54:51 2010 -0400 @@ -368,8 +368,7 @@ disconnected++; } else if (nm->is_speculatively_disconnected()) { // This method was previously considered for preemptive unloading and was not called since then - nm->method()->invocation_counter()->decay(); - nm->method()->backedge_counter()->decay(); + CompilationPolicy::policy()->delay_compilation(nm->method()); nm->make_not_entrant(); made_not_entrant++; } diff -r 2966dab85b3e -r a25394352030 src/share/vm/utilities/accessFlags.hpp --- a/src/share/vm/utilities/accessFlags.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/utilities/accessFlags.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2009, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -39,7 +39,8 @@ JVM_ACC_HAS_LOOPS = 0x40000000, // Method has loops JVM_ACC_LOOPS_FLAG_INIT = (int)0x80000000,// The loop flag has been initialized JVM_ACC_QUEUED = 0x01000000, // Queued for compilation - JVM_ACC_NOT_TIER1_COMPILABLE = 0x04000000, + JVM_ACC_NOT_C2_COMPILABLE = 0x02000000, + JVM_ACC_NOT_C1_COMPILABLE = 0x04000000, JVM_ACC_NOT_OSR_COMPILABLE = 0x08000000, JVM_ACC_HAS_LINE_NUMBER_TABLE = 0x00100000, JVM_ACC_HAS_CHECKED_EXCEPTIONS = 0x00400000, @@ -47,6 +48,7 @@ JVM_ACC_IS_OLD = 0x00010000, // RedefineClasses() has replaced this method JVM_ACC_IS_OBSOLETE = 0x00020000, // RedefineClasses() has made method obsolete JVM_ACC_IS_PREFIXED_NATIVE = 0x00040000, // JVMTI has prefixed this native method + JVM_MH_INVOKE_BITS // = 0x10001100 // MethodHandle.invoke quasi-native = (JVM_ACC_NATIVE | JVM_ACC_SYNTHETIC | JVM_ACC_MONITOR_MATCH), @@ -108,7 +110,8 @@ bool has_loops () const { return (_flags & JVM_ACC_HAS_LOOPS ) != 0; } bool loops_flag_init () const { return (_flags & JVM_ACC_LOOPS_FLAG_INIT ) != 0; } bool queued_for_compilation () const { return (_flags & JVM_ACC_QUEUED ) != 0; } - bool is_not_tier1_compilable () const { return (_flags & JVM_ACC_NOT_TIER1_COMPILABLE ) != 0; } + bool is_not_c1_compilable () const { return (_flags & JVM_ACC_NOT_C1_COMPILABLE ) != 0; } + bool is_not_c2_compilable () const { return (_flags & JVM_ACC_NOT_C2_COMPILABLE ) != 0; } bool is_not_osr_compilable () const { return (_flags & JVM_ACC_NOT_OSR_COMPILABLE ) != 0; } bool has_linenumber_table () const { return (_flags & JVM_ACC_HAS_LINE_NUMBER_TABLE ) != 0; } bool has_checked_exceptions () const { return (_flags & JVM_ACC_HAS_CHECKED_EXCEPTIONS ) != 0; } @@ -172,7 +175,8 @@ void set_has_monitor_bytecodes() { atomic_set_bits(JVM_ACC_HAS_MONITOR_BYTECODES); } void set_has_loops() { atomic_set_bits(JVM_ACC_HAS_LOOPS); } void set_loops_flag_init() { atomic_set_bits(JVM_ACC_LOOPS_FLAG_INIT); } - void set_not_tier1_compilable() { atomic_set_bits(JVM_ACC_NOT_TIER1_COMPILABLE); } + void set_not_c1_compilable() { atomic_set_bits(JVM_ACC_NOT_C1_COMPILABLE); } + void set_not_c2_compilable() { atomic_set_bits(JVM_ACC_NOT_C2_COMPILABLE); } void set_not_osr_compilable() { atomic_set_bits(JVM_ACC_NOT_OSR_COMPILABLE); } void set_has_linenumber_table() { atomic_set_bits(JVM_ACC_HAS_LINE_NUMBER_TABLE); } void set_has_checked_exceptions() { atomic_set_bits(JVM_ACC_HAS_CHECKED_EXCEPTIONS); } diff -r 2966dab85b3e -r a25394352030 src/share/vm/utilities/globalDefinitions.hpp --- a/src/share/vm/utilities/globalDefinitions.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/utilities/globalDefinitions.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -710,24 +710,41 @@ // Enumeration to distinguish tiers of compilation enum CompLevel { - CompLevel_none = 0, - CompLevel_fast_compile = 1, - CompLevel_full_optimization = 2, + CompLevel_any = -1, + CompLevel_all = -1, + CompLevel_none = 0, // Interpreter + CompLevel_simple = 1, // C1 + CompLevel_limited_profile = 2, // C1, invocation & backedge counters + CompLevel_full_profile = 3, // C1, invocation & backedge counters + mdo + CompLevel_full_optimization = 4, // C2 - CompLevel_highest_tier = CompLevel_full_optimization, -#ifdef TIERED - CompLevel_initial_compile = CompLevel_fast_compile +#if defined(COMPILER2) + CompLevel_highest_tier = CompLevel_full_optimization, // pure C2 and tiered +#elif defined(COMPILER1) + CompLevel_highest_tier = CompLevel_simple, // pure C1 #else - CompLevel_initial_compile = CompLevel_full_optimization -#endif // TIERED + CompLevel_highest_tier = CompLevel_none, +#endif + +#if defined(TIERED) + CompLevel_initial_compile = CompLevel_full_profile // tiered +#elif defined(COMPILER1) + CompLevel_initial_compile = CompLevel_simple // pure C1 +#elif defined(COMPILER2) + CompLevel_initial_compile = CompLevel_full_optimization // pure C2 +#else + CompLevel_initial_compile = CompLevel_none +#endif }; -inline bool is_tier1_compile(int comp_level) { - return comp_level == CompLevel_fast_compile; +inline bool is_c1_compile(int comp_level) { + return comp_level > CompLevel_none && comp_level < CompLevel_full_optimization; } -inline bool is_tier2_compile(int comp_level) { + +inline bool is_c2_compile(int comp_level) { return comp_level == CompLevel_full_optimization; } + inline bool is_highest_tier_compile(int comp_level) { return comp_level == CompLevel_highest_tier; } @@ -1017,22 +1034,22 @@ // This routine takes eight bytes: inline u8 build_u8_from( u1 c1, u1 c2, u1 c3, u1 c4, u1 c5, u1 c6, u1 c7, u1 c8 ) { - return ( u8(c1) << 56 ) & ( u8(0xff) << 56 ) - | ( u8(c2) << 48 ) & ( u8(0xff) << 48 ) - | ( u8(c3) << 40 ) & ( u8(0xff) << 40 ) - | ( u8(c4) << 32 ) & ( u8(0xff) << 32 ) - | ( u8(c5) << 24 ) & ( u8(0xff) << 24 ) - | ( u8(c6) << 16 ) & ( u8(0xff) << 16 ) - | ( u8(c7) << 8 ) & ( u8(0xff) << 8 ) - | ( u8(c8) << 0 ) & ( u8(0xff) << 0 ); + return (( u8(c1) << 56 ) & ( u8(0xff) << 56 )) + | (( u8(c2) << 48 ) & ( u8(0xff) << 48 )) + | (( u8(c3) << 40 ) & ( u8(0xff) << 40 )) + | (( u8(c4) << 32 ) & ( u8(0xff) << 32 )) + | (( u8(c5) << 24 ) & ( u8(0xff) << 24 )) + | (( u8(c6) << 16 ) & ( u8(0xff) << 16 )) + | (( u8(c7) << 8 ) & ( u8(0xff) << 8 )) + | (( u8(c8) << 0 ) & ( u8(0xff) << 0 )); } // This routine takes four bytes: inline u4 build_u4_from( u1 c1, u1 c2, u1 c3, u1 c4 ) { - return ( u4(c1) << 24 ) & 0xff000000 - | ( u4(c2) << 16 ) & 0x00ff0000 - | ( u4(c3) << 8 ) & 0x0000ff00 - | ( u4(c4) << 0 ) & 0x000000ff; + return (( u4(c1) << 24 ) & 0xff000000) + | (( u4(c2) << 16 ) & 0x00ff0000) + | (( u4(c3) << 8 ) & 0x0000ff00) + | (( u4(c4) << 0 ) & 0x000000ff); } // And this one works if the four bytes are contiguous in memory: @@ -1042,8 +1059,8 @@ // Ditto for two-byte ints: inline u2 build_u2_from( u1 c1, u1 c2 ) { - return u2(( u2(c1) << 8 ) & 0xff00 - | ( u2(c2) << 0 ) & 0x00ff); + return u2((( u2(c1) << 8 ) & 0xff00) + | (( u2(c2) << 0 ) & 0x00ff)); } // And this one works if the two bytes are contiguous in memory: @@ -1066,14 +1083,14 @@ // now (64-bit) longs inline jlong build_long_from( u1 c1, u1 c2, u1 c3, u1 c4, u1 c5, u1 c6, u1 c7, u1 c8 ) { - return ( jlong(c1) << 56 ) & ( jlong(0xff) << 56 ) - | ( jlong(c2) << 48 ) & ( jlong(0xff) << 48 ) - | ( jlong(c3) << 40 ) & ( jlong(0xff) << 40 ) - | ( jlong(c4) << 32 ) & ( jlong(0xff) << 32 ) - | ( jlong(c5) << 24 ) & ( jlong(0xff) << 24 ) - | ( jlong(c6) << 16 ) & ( jlong(0xff) << 16 ) - | ( jlong(c7) << 8 ) & ( jlong(0xff) << 8 ) - | ( jlong(c8) << 0 ) & ( jlong(0xff) << 0 ); + return (( jlong(c1) << 56 ) & ( jlong(0xff) << 56 )) + | (( jlong(c2) << 48 ) & ( jlong(0xff) << 48 )) + | (( jlong(c3) << 40 ) & ( jlong(0xff) << 40 )) + | (( jlong(c4) << 32 ) & ( jlong(0xff) << 32 )) + | (( jlong(c5) << 24 ) & ( jlong(0xff) << 24 )) + | (( jlong(c6) << 16 ) & ( jlong(0xff) << 16 )) + | (( jlong(c7) << 8 ) & ( jlong(0xff) << 8 )) + | (( jlong(c8) << 0 ) & ( jlong(0xff) << 0 )); } inline jlong build_long_from( u1* p ) { diff -r 2966dab85b3e -r a25394352030 src/share/vm/utilities/macros.hpp --- a/src/share/vm/utilities/macros.hpp Tue Sep 21 06:58:44 2010 -0700 +++ b/src/share/vm/utilities/macros.hpp Wed Sep 22 12:54:51 2010 -0400 @@ -71,6 +71,14 @@ #define NOT_COMPILER2(code) code #endif // COMPILER2 +#ifdef TIERED +#define TIERED_ONLY(code) code +#define NOT_TIERED(code) +#else +#define TIERED_ONLY(code) +#define NOT_TIERED(code) code +#endif // TIERED + // PRODUCT variant #ifdef PRODUCT diff -r 2966dab85b3e -r a25394352030 test/compiler/6982370/Test6982370.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/compiler/6982370/Test6982370.java Wed Sep 22 12:54:51 2010 -0400 @@ -0,0 +1,139 @@ +/* + * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +/** + * @test + * @bug 6982370 + * @summary SIGBUS in jbyte_fill + * + * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+OptimizeFill -Xbatch Test6982370 + */ + +import java.util.Arrays; + +/** + * Exercise the fill routine for various short alignments and sizes + */ + +public class Test6982370 { + public static void main(String[] args) { + test_byte(); + test_char(); + test_short(); + test_int(); + test_float(); + } + + public static void test_int() { + int[] a = new int[16]; + for (int i = 0; i < 200000; i++) { + int start = i & 7; + int end = start + ((i >> 4) & 7); + int value = i; + if ((i & 1) == 1) value = -value; + Arrays.fill(a, start, end, value); + boolean error = false; + for (int j = start; j < end; j++) { + if (a[j] != value) { + System.err.println("a[" + j + "] = " + a[j] + " != " + value + " for " + a.length); + error = true; + } + } + if (error) throw new InternalError(); + } + } + + public static void test_float() { + float[] a = new float[16]; + for (int i = 0; i < 200000; i++) { + int start = i & 7; + int end = start + ((i >> 4) & 7); + float value = (float)i; + if ((i & 1) == 1) value = -value; + Arrays.fill(a, start, end, value); + boolean error = false; + for (int j = start; j < end; j++) { + if (a[j] != value) { + System.err.println("a[" + j + "] = " + a[j] + " != " + value + " for " + a.length); + error = true; + } + } + if (error) throw new InternalError(); + } + } + public static void test_char() { + char[] a = new char[16]; + for (int i = 0; i < 200000; i++) { + int start = i & 7; + int end = start + ((i >> 4) & 7); + char value = (char)i; + Arrays.fill(a, start, end, value); + boolean error = false; + for (int j = start; j < end; j++) { + if (a[j] != value) { + System.err.println("a[" + j + "] = " + a[j] + " != " + value + " for " + a.length); + error = true; + } + } + if (error) throw new InternalError(); + } + } + public static void test_short() { + short[] a = new short[16]; + for (int i = 0; i < 200000; i++) { + int start = i & 7; + int end = start + ((i >> 4) & 7); + short value = (short)i; + if ((i & 1) == 1) value = (short)-value; + Arrays.fill(a, start, end, value); + boolean error = false; + for (int j = start; j < end; j++) { + if (a[j] != value) { + System.err.println("a[" + j + "] = " + a[j] + " != " + value + " for " + a.length); + error = true; + } + } + if (error) throw new InternalError(); + } + } + + public static void test_byte() { + for (int i = 0; i < 200000; i++) { + byte[] a = new byte[16]; + int start = i & 7; + int end = start + ((i >> 4) & 7); + byte value = (byte)i; + if ((i & 1) == 1) value = (byte)-value; + Arrays.fill(a, start, end, value); + boolean error = false; + for (int j = start; j < end; j++) { + if (a[j] != value) { + System.err.println("a[" + j + "] = " + a[j] + " != " + value + " for " + a.length); + error = true; + } + } + if (error) throw new InternalError(); + } + } +}