view src/share/vm/runtime/stackValueCollection.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 78bbf4d43a14
children f79e943d15a7
line wrap: on
line source

/*
 * Copyright (c) 2001, 2014, 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 "runtime/stackValueCollection.hpp"
#ifdef TARGET_ARCH_x86
# include "jniTypes_x86.hpp"
#endif
#ifdef TARGET_ARCH_aarch64
# include "jniTypes_aarch64.hpp"
#endif
#ifdef TARGET_ARCH_sparc
# include "jniTypes_sparc.hpp"
#endif
#ifdef TARGET_ARCH_zero
# include "jniTypes_zero.hpp"
#endif
#ifdef TARGET_ARCH_arm
# include "jniTypes_arm.hpp"
#endif
#ifdef TARGET_ARCH_ppc
# include "jniTypes_ppc.hpp"
#endif

PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC

jint StackValueCollection::int_at(int slot) const {
  intptr_t val =  at(slot)->get_int();
  jint ival = *((jint*) (&val));
  return ival;
}

jlong StackValueCollection::long_at(int slot) const {
#ifdef _LP64
  return at(slot+1)->get_int();
#else
  union {
    jlong jl;
    jint  array[2];
  } value;
  // Interpreter stack is reversed in memory:
  // low memory location is in higher java local slot.
  value.array[0] = at(slot+1)->get_int();
  value.array[1] = at(slot  )->get_int();
  return value.jl;
#endif
}

Handle StackValueCollection::obj_at(int slot) const {
  return at(slot)->get_obj();
}

jfloat StackValueCollection::float_at(int slot) const {
  intptr_t res = at(slot)->get_int();
  return *((jfloat*) (&res));
}

jdouble StackValueCollection::double_at(int slot) const {
#ifdef _LP64
  intptr_t res = at(slot+1)->get_int();
  return *((jdouble*) (&res));
#else
  union {
    jdouble jd;
    jint    array[2];
  } value;
  // Interpreter stack is reversed in memory:
  // low memory location is in higher java local slot.
  value.array[0] = at(slot+1)->get_int();
  value.array[1] = at(slot  )->get_int();
  return value.jd;
#endif
}

void StackValueCollection::set_int_at(int slot, jint value) {
  intptr_t val;
  *((jint*) (&val)) = value;
  at(slot)->set_int(val);
}

void StackValueCollection::set_long_at(int slot, jlong value) {
#ifdef _LP64
  at(slot+1)->set_int(value);
#else
  union {
    jlong jl;
    jint  array[2];
  } x;
  // Interpreter stack is reversed in memory:
  // low memory location is in higher java local slot.
  x.jl = value;
  at(slot+1)->set_int(x.array[0]);
  at(slot+0)->set_int(x.array[1]);
#endif
}

void StackValueCollection::set_obj_at(int slot, Handle value) {
  at(slot)->set_obj(value);
}

void StackValueCollection::set_float_at(int slot, jfloat value) {
#ifdef _LP64
  union {
    intptr_t jd;
    jint    array[2];
  } val;
  // Interpreter stores 32 bit floats in first half of 64 bit word.
  val.array[0] = *(jint*)(&value);
  val.array[1] = 0;
  at(slot)->set_int(val.jd);
#else
  at(slot)->set_int(*(jint*)(&value));
#endif
}

void StackValueCollection::set_double_at(int slot, jdouble value) {
#ifdef _LP64
  at(slot+1)->set_int(*(intptr_t*)(&value));
#else
  union {
    jdouble jd;
    jint    array[2];
  } x;
  // Interpreter stack is reversed in memory:
  // low memory location is in higher java local slot.
  x.jd = value;
  at(slot+1)->set_int(x.array[0]);
  at(slot+0)->set_int(x.array[1]);
#endif
}

#ifndef PRODUCT
void StackValueCollection::print() {
  for(int index = 0; index < size(); index++) {
    tty->print("\t  %2d ", index);
    at(index)->print_on(tty);
    if( at(index  )->type() == T_INT &&
        index+1 < size() &&
        at(index+1)->type() == T_INT ) {
      tty->print("  " INT64_FORMAT " (long)", long_at(index));
      tty->cr();
      tty->print("\t     %.15e (double)", double_at(index));
      tty->print("  " PTR64_FORMAT " (longhex)", long_at(index));
    }
    tty->cr();
  }
}
#endif