Mercurial > hg > icedtea8-forest > hotspot
view src/share/vm/c1/c1_FrameMap.cpp @ 10905:f57189b7648d
8257192: Integrate AArch64 JIT port into 8u
7009641: Don't fail VM when CodeCache is full
8073108: [AArch64] Use x86 and SPARC CPU instructions for GHASH acceleration
8130309: Need to bailout cleanly if creation of stubs fails when codecache is out of space (AArch64 changes)
8131779: AARCH64: add Montgomery multiply intrinsic
8132875: AArch64: Fix error introduced into AArch64 CodeCache by commit for 8130309
8135018: AARCH64: Missing memory barriers for CMS collector
8145320: Create unsafe_arraycopy and generic_arraycopy for AArch64
8148328: aarch64: redundant lsr instructions in stub code.
8148783: aarch64: SEGV running SpecJBB2013
8148948: aarch64: generate_copy_longs calls align() incorrectly
8149080: AArch64: Recognise disjoint array copy in stub code
8149365: aarch64: memory copy does not prefetch on backwards copy
8149907: aarch64: use load/store pair instructions in call_stub
8150038: aarch64: make use of CBZ and CBNZ when comparing narrow pointer with zero
8150045: arraycopy causes segfaults in SATB during garbage collection
8150082: aarch64: optimise small array copy
8150229: aarch64: pipeline class for several instructions is not set correctly
8150313: aarch64: optimise array copy using SIMD instructions
8150394: aarch64: add support for 8.1 LSE CAS instructions
8150652: Remove unused code in AArch64 back end
8151340: aarch64: prefetch the destination word for write prior to ldxr/stxr loops.
8151502: optimize pd_disjoint_words and pd_conjoint_words
8151775: aarch64: add support for 8.1 LSE atomic operations
8152537: aarch64: Make use of CBZ and CBNZ when comparing unsigned values with zero.
8152840: aarch64: improve _unsafe_arraycopy stub routine
8153172: aarch64: hotspot crashes after the 8.1 LSE patch is merged
8153713: aarch64: improve short array clearing using store pair
8153797: aarch64: Add Arrays.fill stub code
8154413: AArch64: Better byte behaviour
8154537: AArch64: some integer rotate instructions are never emitted
8154739: AArch64: TemplateTable::fast_xaccess loads in wrong mode
8155015: Aarch64: bad assert in spill generation code
8155100: AArch64: Relax alignment requirement for byte_map_base
8155612: Aarch64: vector nodes need to support misaligned offset
8155617: aarch64: ClearArray does not use DC ZVA
8155627: Enable SA on AArch64
8155653: TestVectorUnalignedOffset.java not pushed with 8155612
8156731: aarch64: java/util/Arrays/Correct.java fails due to _generic_arraycopy stub routine
8157841: aarch64: prefetch ignores cache line size
8157906: aarch64: some more integer rotate instructions are never emitted
8158913: aarch64: SEGV running Spark terasort
8159052: aarch64: optimise unaligned copies in pd_disjoint_words and pd_conjoint_words
8159063: aarch64: optimise unaligned array copy long
8160748: [AArch64] Inconsistent types for ideal_reg
8161072: AArch64: jtreg compiler/uncommontrap/TestDeoptOOM failure
8161190: AArch64: Fix overflow in immediate cmp instruction
8164113: AArch64: follow-up the fix for 8161598
8165673: AArch64: Fix JNI floating point argument handling
8167200: AArch64: Broken stack pointer adjustment in interpreter
8167421: AArch64: in one core system, fatal error: Illegal threadstate encountered
8167595: AArch64: SEGV in stub code cipherBlockChaining_decryptAESCrypt
8168699: Validate special case invocations [AArch64 support]
8168888: Port 8160591: Improve internal array handling to AArch64.
8170100: AArch64: Crash in C1-compiled code accessing References
8170188: jtreg test compiler/types/TestMeetIncompatibleInterfaceArrays.java causes JVM crash
8170873: PPC64/aarch64: Poor StrictMath performance due to non-optimized compilation
8171537: aarch64: compiler/c1/Test6849574.java generates guarantee failure in C1
8172881: AArch64: assertion failure: the int pressure is incorrect
8173472: AArch64: C1 comparisons with null only use 32-bit instructions
8176100: [AArch64] [REDO][REDO] G1 Needs pre barrier on dereference of weak JNI handles
8177661: Correct ad rule output register types from iRegX to iRegXNoSp
8179954: AArch64: C1 and C2 volatile accesses are not sequentially consistent
8182581: aarch64: fix for crash caused by earlyret of compiled method
8183925: [AArch64] Decouple crash protection from watcher thread
8186325: AArch64: jtreg test hotspot/test/gc/g1/TestJNIWeakG1/TestJNIWeakG1.java SEGV
8187224: aarch64: some inconsistency between aarch64_ad.m4 and aarch64.ad
8189170: [AArch64] Add option to disable stack overflow checking in primordial thread for use with JNI_CreateJavaJVM
8193133: Assertion failure because 0xDEADDEAD can be in-heap
8195685: AArch64 port of 8174962: Better interface invocations
8195859: AArch64: vtableStubs gtest fails after 8174962
8196136: AArch64: Correct register use in patch for JDK-8194686
8196221: AArch64: Mistake in committed patch for JDK-8195859
8199712: [AArch64] Flight Recorder
8203481: Incorrect constraint for unextended_sp in frame:safe_for_sender
8203699: java/lang/invoke/SpecialInterfaceCall fails with SIGILL on aarch64
8205421: AARCH64: StubCodeMark should be placed after alignment
8206163: AArch64: incorrect code generation for StoreCM
8207345: Trampoline generation code reads from uninitialized memory
8207838: AArch64: Float registers incorrectly restored in JNI call
8209413: AArch64: NPE in clhsdb jstack command
8209414: [AArch64] method handle invocation does not respect JVMTI interp_only mode
8209415: Fix JVMTI test failure HS202
8209420: Track membars for volatile accesses so they can be properly optimized
8209835: Aarch64: elide barriers on all volatile operations
8210425: [AArch64] sharedRuntimeTrig/sharedRuntimeTrans compiled without optimization
8211064: [AArch64] Interpreter and c1 don't correctly handle jboolean results in native calls
8211233: MemBarNode::trailing_membar() and MemBarNode::leading_membar() need to handle dying subgraphs better
8213134: AArch64: vector shift failed with MaxVectorSize=8
8213419: [AArch64] C2 may hang in MulLNode::Ideal()/MulINode::Ideal() with gcc 8.2.1
8214857: "bad trailing membar" assert failure at memnode.cpp:3220
8215951: AArch64: jtreg test vmTestbase/nsk/jvmti/PopFrame/popframe005 segfaults
8215961: jdk/jfr/event/os/TestCPUInformation.java fails on AArch64
8216350: AArch64: monitor unlock fast path not called
8216989: CardTableBarrierSetAssembler::gen_write_ref_array_post_barrier() does not check for zero length on AARCH64
8217368: AArch64: C2 recursive stack locking optimisation not triggered
8218185: aarch64: missing LoadStore barrier in TemplateTable::putfield_or_static
8219011: Implement MacroAssembler::warn method on AArch64
8219635: aarch64: missing LoadStore barrier in TemplateTable::fast_storefield
8221220: AArch64: Add StoreStore membar explicitly for Volatile Writes in TemplateTable
8221658: aarch64: add necessary predicate for ubfx patterns
8224671: AArch64: mauve System.arraycopy test failure
8224828: aarch64: rflags is not correct after safepoint poll
8224851: AArch64: fix warnings and errors with Clang and GCC 8.3
8224880: AArch64: java/javac error with AllocatePrefetchDistance
8228400: Remove built-in AArch64 simulator
8228406: Superfluous change in chaitin.hpp
8228593: Revert explicit JDK 7 support additions
8228716: Revert InstanceKlass::print_on debug additions
8228718: Revert incorrect backport of JDK-8129757 to 8-aarch64
8228725: AArch64: Purge method call format support
8228747: Revert "unused" attribute from test_arraycopy_func
8228767: Revert ResourceMark additions
8228770: Revert development hsdis changes
8229123: Revert build fixes for aarch64/zero
8229124: Revert disassembler.cpp changes
8229145: Revert TemplateTable::bytecode() visibility change
8233839: aarch64: missing memory barrier in NewObjectArrayStub and NewTypeArrayStub
8237512: AArch64: aarch64TestHook leaks a BufferBlob
8246482: Build failures with +JFR -PCH
8247979: aarch64: missing side effect of killing flags for clearArray_reg_reg
8248219: aarch64: missing memory barrier in fast_storefield and fast_accessfield
Reviewed-by: shade, aph
author | andrew |
---|---|
date | Mon, 01 Feb 2021 03:48:36 +0000 |
parents | a9becfeecd1b |
children | f79e943d15a7 |
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/* * Copyright (c) 2000, 2013, 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 "precompiled.hpp" #include "c1/c1_FrameMap.hpp" #include "c1/c1_LIR.hpp" #include "runtime/sharedRuntime.hpp" #ifdef TARGET_ARCH_x86 # include "vmreg_x86.inline.hpp" #endif #ifdef TARGET_ARCH_aarch64 # include "vmreg_aarch64.inline.hpp" #endif #ifdef TARGET_ARCH_sparc # include "vmreg_sparc.inline.hpp" #endif #ifdef TARGET_ARCH_zero # include "vmreg_zero.inline.hpp" #endif #ifdef TARGET_ARCH_arm # include "vmreg_arm.inline.hpp" #endif #ifdef TARGET_ARCH_ppc # include "vmreg_ppc.inline.hpp" #endif //----------------------------------------------------- // Convert method signature into an array of BasicTypes for the arguments BasicTypeArray* FrameMap::signature_type_array_for(const ciMethod* method) { ciSignature* sig = method->signature(); BasicTypeList* sta = new BasicTypeList(method->arg_size()); // add receiver, if any if (!method->is_static()) sta->append(T_OBJECT); // add remaining arguments for (int i = 0; i < sig->count(); i++) { ciType* type = sig->type_at(i); BasicType t = type->basic_type(); if (t == T_ARRAY) { t = T_OBJECT; } sta->append(t); } // done return sta; } CallingConvention* FrameMap::java_calling_convention(const BasicTypeArray* signature, bool outgoing) { // compute the size of the arguments first. The signature array // that java_calling_convention takes includes a T_VOID after double // work items but our signatures do not. int i; int sizeargs = 0; for (i = 0; i < signature->length(); i++) { sizeargs += type2size[signature->at(i)]; } BasicType* sig_bt = NEW_RESOURCE_ARRAY(BasicType, sizeargs); VMRegPair* regs = NEW_RESOURCE_ARRAY(VMRegPair, sizeargs); int sig_index = 0; for (i = 0; i < sizeargs; i++, sig_index++) { sig_bt[i] = signature->at(sig_index); if (sig_bt[i] == T_LONG || sig_bt[i] == T_DOUBLE) { sig_bt[i + 1] = T_VOID; i++; } } intptr_t out_preserve = SharedRuntime::java_calling_convention(sig_bt, regs, sizeargs, outgoing); LIR_OprList* args = new LIR_OprList(signature->length()); for (i = 0; i < sizeargs;) { BasicType t = sig_bt[i]; assert(t != T_VOID, "should be skipping these"); LIR_Opr opr = map_to_opr(t, regs + i, outgoing); args->append(opr); if (opr->is_address()) { LIR_Address* addr = opr->as_address_ptr(); assert(addr->disp() == (int)addr->disp(), "out of range value"); out_preserve = MAX2(out_preserve, (intptr_t)(addr->disp() - STACK_BIAS) / 4); } i += type2size[t]; } assert(args->length() == signature->length(), "size mismatch"); out_preserve += SharedRuntime::out_preserve_stack_slots(); if (outgoing) { // update the space reserved for arguments. update_reserved_argument_area_size(out_preserve * BytesPerWord); } return new CallingConvention(args, out_preserve); } CallingConvention* FrameMap::c_calling_convention(const BasicTypeArray* signature) { // compute the size of the arguments first. The signature array // that java_calling_convention takes includes a T_VOID after double // work items but our signatures do not. int i; int sizeargs = 0; for (i = 0; i < signature->length(); i++) { sizeargs += type2size[signature->at(i)]; } BasicType* sig_bt = NEW_RESOURCE_ARRAY(BasicType, sizeargs); VMRegPair* regs = NEW_RESOURCE_ARRAY(VMRegPair, sizeargs); int sig_index = 0; for (i = 0; i < sizeargs; i++, sig_index++) { sig_bt[i] = signature->at(sig_index); if (sig_bt[i] == T_LONG || sig_bt[i] == T_DOUBLE) { sig_bt[i + 1] = T_VOID; i++; } } intptr_t out_preserve = SharedRuntime::c_calling_convention(sig_bt, regs, NULL, sizeargs); LIR_OprList* args = new LIR_OprList(signature->length()); for (i = 0; i < sizeargs;) { BasicType t = sig_bt[i]; assert(t != T_VOID, "should be skipping these"); // C calls are always outgoing bool outgoing = true; LIR_Opr opr = map_to_opr(t, regs + i, outgoing); // they might be of different types if for instance floating point // values are passed in cpu registers, but the sizes must match. assert(type2size[opr->type()] == type2size[t], "type mismatch"); args->append(opr); if (opr->is_address()) { LIR_Address* addr = opr->as_address_ptr(); out_preserve = MAX2(out_preserve, (intptr_t)(addr->disp() - STACK_BIAS) / 4); } i += type2size[t]; } assert(args->length() == signature->length(), "size mismatch"); out_preserve += SharedRuntime::out_preserve_stack_slots(); update_reserved_argument_area_size(out_preserve * BytesPerWord); return new CallingConvention(args, out_preserve); } //-------------------------------------------------------- // FrameMap //-------------------------------------------------------- bool FrameMap::_init_done = false; Register FrameMap::_cpu_rnr2reg [FrameMap::nof_cpu_regs]; int FrameMap::_cpu_reg2rnr [FrameMap::nof_cpu_regs]; FrameMap::FrameMap(ciMethod* method, int monitors, int reserved_argument_area_size) { assert(_init_done, "should already be completed"); _framesize = -1; _num_spills = -1; assert(monitors >= 0, "not set"); _num_monitors = monitors; assert(reserved_argument_area_size >= 0, "not set"); _reserved_argument_area_size = MAX2(4, reserved_argument_area_size) * BytesPerWord; _argcount = method->arg_size(); _argument_locations = new intArray(_argcount, -1); _incoming_arguments = java_calling_convention(signature_type_array_for(method), false); _oop_map_arg_count = _incoming_arguments->reserved_stack_slots(); int java_index = 0; for (int i = 0; i < _incoming_arguments->length(); i++) { LIR_Opr opr = _incoming_arguments->at(i); if (opr->is_address()) { LIR_Address* address = opr->as_address_ptr(); _argument_locations->at_put(java_index, address->disp() - STACK_BIAS); _incoming_arguments->args()->at_put(i, LIR_OprFact::stack(java_index, as_BasicType(as_ValueType(address->type())))); } java_index += type2size[opr->type()]; } } bool FrameMap::finalize_frame(int nof_slots) { assert(nof_slots >= 0, "must be positive"); assert(_num_spills == -1, "can only be set once"); _num_spills = nof_slots; assert(_framesize == -1, "should only be calculated once"); _framesize = round_to(in_bytes(sp_offset_for_monitor_base(0)) + _num_monitors * sizeof(BasicObjectLock) + sizeof(intptr_t) + // offset of deopt orig pc frame_pad_in_bytes, StackAlignmentInBytes) / 4; int java_index = 0; for (int i = 0; i < _incoming_arguments->length(); i++) { LIR_Opr opr = _incoming_arguments->at(i); if (opr->is_stack()) { _argument_locations->at_put(java_index, in_bytes(framesize_in_bytes()) + _argument_locations->at(java_index)); } java_index += type2size[opr->type()]; } // make sure it's expressible on the platform return validate_frame(); } VMReg FrameMap::sp_offset2vmreg(ByteSize offset) const { int offset_in_bytes = in_bytes(offset); assert(offset_in_bytes % 4 == 0, "must be multiple of 4 bytes"); assert(offset_in_bytes / 4 < framesize() + oop_map_arg_count(), "out of range"); return VMRegImpl::stack2reg(offset_in_bytes / 4); } bool FrameMap::location_for_sp_offset(ByteSize byte_offset_from_sp, Location::Type loc_type, Location* loc) const { int offset = in_bytes(byte_offset_from_sp); assert(offset >= 0, "incorrect offset"); if (!Location::legal_offset_in_bytes(offset)) { return false; } Location tmp_loc = Location::new_stk_loc(loc_type, offset); *loc = tmp_loc; return true; } bool FrameMap::locations_for_slot (int index, Location::Type loc_type, Location* loc, Location* second) const { ByteSize offset_from_sp = sp_offset_for_slot(index); if (!location_for_sp_offset(offset_from_sp, loc_type, loc)) { return false; } if (second != NULL) { // two word item offset_from_sp = offset_from_sp + in_ByteSize(4); return location_for_sp_offset(offset_from_sp, loc_type, second); } return true; } ////////////////////// // Public accessors // ////////////////////// ByteSize FrameMap::sp_offset_for_slot(const int index) const { if (index < argcount()) { int offset = _argument_locations->at(index); assert(offset != -1, "not a memory argument"); assert(offset >= framesize() * 4, "argument inside of frame"); return in_ByteSize(offset); } ByteSize offset = sp_offset_for_spill(index - argcount()); assert(in_bytes(offset) < framesize() * 4, "spill outside of frame"); return offset; } ByteSize FrameMap::sp_offset_for_double_slot(const int index) const { ByteSize offset = sp_offset_for_slot(index); if (index >= argcount()) { assert(in_bytes(offset) + 4 < framesize() * 4, "spill outside of frame"); } return offset; } ByteSize FrameMap::sp_offset_for_spill(const int index) const { assert(index >= 0 && index < _num_spills, "out of range"); int offset = round_to(first_available_sp_in_frame + _reserved_argument_area_size, sizeof(double)) + index * spill_slot_size_in_bytes; return in_ByteSize(offset); } ByteSize FrameMap::sp_offset_for_monitor_base(const int index) const { int end_of_spills = round_to(first_available_sp_in_frame + _reserved_argument_area_size, sizeof(double)) + _num_spills * spill_slot_size_in_bytes; int offset = (int) round_to(end_of_spills, HeapWordSize) + index * sizeof(BasicObjectLock); return in_ByteSize(offset); } ByteSize FrameMap::sp_offset_for_monitor_lock(int index) const { check_monitor_index(index); return sp_offset_for_monitor_base(index) + in_ByteSize(BasicObjectLock::lock_offset_in_bytes());; } ByteSize FrameMap::sp_offset_for_monitor_object(int index) const { check_monitor_index(index); return sp_offset_for_monitor_base(index) + in_ByteSize(BasicObjectLock::obj_offset_in_bytes()); } // For OopMaps, map a local variable or spill index to an VMReg. // This is the offset from sp() in the frame of the slot for the index, // skewed by SharedInfo::stack0 to indicate a stack location (vs.a register.) // // C ABI size + // framesize + framesize + // stack0 stack0 stack0 0 <- VMReg->value() // | | | <registers> | // ..........|..............|..............|.............| // 0 1 2 3 | <C ABI area> | 4 5 6 ...... | <- local indices // ^ ^ sp() // | | // arguments non-argument locals VMReg FrameMap::regname(LIR_Opr opr) const { if (opr->is_single_cpu()) { assert(!opr->is_virtual(), "should not see virtual registers here"); return opr->as_register()->as_VMReg(); } else if (opr->is_single_stack()) { return sp_offset2vmreg(sp_offset_for_slot(opr->single_stack_ix())); } else if (opr->is_address()) { LIR_Address* addr = opr->as_address_ptr(); assert(addr->base() == stack_pointer(), "sp based addressing only"); return sp_offset2vmreg(in_ByteSize(addr->index()->as_jint())); } ShouldNotReachHere(); return VMRegImpl::Bad(); } // ------------ extra spill slots ---------------