SafepointBug_java8.asm

# {method} {0x00000001206a6320} 'poll' '()Ljava/lang/Object;' in 'org/jctools/queues/BaseMpscLinkedArrayQueue'
#           [sp+0x30]  (sp of caller)
[Entry Point]
0x0000000108427ee0: mov 0x8(%rsi),%r10d
0x0000000108427ee4: shl $0x3,%r10
0x0000000108427ee8: cmp %r10,%rax
0x0000000108427eeb: jne 0x00000001082e6ba0  ;   {runtime_call}
0x0000000108427ef1: data16 xchg %ax,%ax
0x0000000108427ef4: nopl 0x0(%rax,%rax,1)
0x0000000108427efc: data16 data16 xchg %ax,%ax
[Verified Entry Point]
0x0000000108427f00: mov %eax,-0x14000(%rsp)
0x0000000108427f07: push %rbp
0x0000000108427f08: sub $0x20,%rsp  ;*synchronization entry
                                    ; - org.jctools.queues.BaseMpscLinkedArrayQueue::poll@-1 (line 322)
0x0000000108427f0c: mov %rsi,(%rsp)
0x0000000108427f10: mov 0x108(%rsi),%rcx  ;*getfield consumerMask
                                          ; - org.jctools.queues.BaseMpscLinkedArrayQueue::poll@11 (line 324)
0x0000000108427f17: mov 0x118(%rsi),%r10d  ;*getfield consumerBuffer
                                           ; - org.jctools.queues.BaseMpscLinkedArrayQueue::poll@1 (line 322)
0x0000000108427f1e: mov 0x110(%rsi),%rbp  ;*invokevirtual getObjectVolatile
                                          ; - org.jctools.util.UnsafeRefArrayAccess::lvElement@5 (line 103)
                                          ; - org.jctools.queues.BaseMpscLinkedArrayQueue::poll@27 (line 327)
0x0000000108427f25: mov %rbp,%r8
0x0000000108427f28: and %rcx,%r8  ;*land
                                  ; - org.jctools.queues.LinkedArrayQueueUtil::modifiedCalcElementOffset@5 (line 24)
                                  ; - org.jctools.queues.BaseMpscLinkedArrayQueue::poll@19 (line 326)
0x0000000108427f2b: mov %r10,%rdx
0x0000000108427f2e: shl $0x3,%rdx  ;*getfield consumerBuffer
                                   ; - org.jctools.queues.BaseMpscLinkedArrayQueue::poll@1 (line 322)
0x0000000108427f32: shl %r8  ;*lshl
                             ; - org.jctools.queues.LinkedArrayQueueUtil::modifiedCalcElementOffset@11 (line 24)
                             ; - org.jctools.queues.BaseMpscLinkedArrayQueue::poll@19 (line 326)
0x0000000108427f35: mov 0x10(%rdx,%r8,1),%r10d  ;*invokevirtual getObjectVolatile
                                                ; - org.jctools.util.UnsafeRefArrayAccess::lvElement@5 (line 103)
                                                ; - org.jctools.queues.BaseMpscLinkedArrayQueue::poll@27 (line 327)
0x0000000108427f3a: test %r10d,%r10d
0x0000000108427f3d: je L0002  ;*ifnonnull
                              ; - org.jctools.queues.BaseMpscLinkedArrayQueue::poll@34 (line 328)
0x0000000108427f3f: lea (%r12,%r10,8),%rax  ;*goto
                                            ; - org.jctools.queues.BaseMpscLinkedArrayQueue::poll@59 (line 339)
             L0000: movabs $0x76abe17a8,%r10  ;   {oop(a 'java/lang/Object')}
0x0000000108427f4d: cmp %r10,%rax
0x0000000108427f50: je L0003
0x0000000108427f52: mov %r12d,0x10(%rdx,%r8,1)
0x0000000108427f57: add $0x2,%rbp
0x0000000108427f5b: mov (%rsp),%r10
0x0000000108427f5f: mov %rbp,0x110(%r10)  ;*ifnull
                                          ; - org.jctools.queues.BaseMpscLinkedArrayQueue::poll@56 (line 339)
             L0001: add $0x20,%rsp
0x0000000108427f6a: pop %rbp
0x0000000108427f6b: test %eax,-0x343cf71(%rip)  # 0x0000000104feb000
                                                ;   {poll_return} *** SAFEPOINT POLL ***
0x0000000108427f71: retq
             L0002: mov 0x88(%rsi),%r10  ;*invokevirtual getLongVolatile
                                         ; - org.jctools.queues.BaseMpscLinkedArrayQueueProducerFields::lvProducerIndex@7 (line 61)
                                         ; - org.jctools.queues.BaseMpscLinkedArrayQueue::poll@39 (line 330)
0x0000000108427f79: cmp %r10,%rbp
0x0000000108427f7c: jne L0004  ;*ifeq
                               ; - org.jctools.queues.BaseMpscLinkedArrayQueue::poll@43 (line 330)
0x0000000108427f7e: xor %eax,%eax
0x0000000108427f80: jmp L0001
             L0003: mov (%rsp),%rsi
0x0000000108427f86: nop
0x0000000108427f87: callq 0x00000001082e6de0  ; OopMap{[0]=Oop off=172}
                                              ;*invokespecial getNextBuffer
                                              ; - org.jctools.queues.BaseMpscLinkedArrayQueue::poll@76 (line 349)
                                              ;   {optimized virtual_call}
0x0000000108427f8c: mov (%rsp),%rsi
0x0000000108427f90: mov %rax,%rdx
0x0000000108427f93: mov %rbp,%rcx
0x0000000108427f96: nop
0x0000000108427f97: callq 0x00000001082e6de0  ; OopMap{off=188}
                                              ;*invokespecial newBufferPoll
                                              ; - org.jctools.queues.BaseMpscLinkedArrayQueue::poll@85 (line 350)
                                              ;   {optimized virtual_call}
0x0000000108427f9c: jmp L0001
             L0004: mov 0x10(%rdx,%r8,1),%r11d  ;*invokevirtual getObjectVolatile
                                                ; - org.jctools.util.UnsafeRefArrayAccess::lvElement@5 (line 103)
                                                ; - org.jctools.queues.BaseMpscLinkedArrayQueue::poll@49 (line 337)
0x0000000108427fa3: test %r11d,%r11d
0x0000000108427fa6: jne L0006  ;*ifnull
                               ; - org.jctools.queues.BaseMpscLinkedArrayQueue::poll@56 (line 339)
0x0000000108427fa8: mov %r8,%r10
0x0000000108427fab: add $0x10,%r10  ;*ladd
                                    ; - org.jctools.queues.LinkedArrayQueueUtil::modifiedCalcElementOffset@12 (line 24)
                                    ; - org.jctools.queues.BaseMpscLinkedArrayQueue::poll@19 (line 326)
0x0000000108427faf: nop
             L0005: mov 0x10(%rdx,%r8,1),%r11d  ; OopMap{r11=NarrowOop rdx=Oop [0]=Oop off=213}
                                                ;*ifnull
                                                ; - org.jctools.queues.BaseMpscLinkedArrayQueue::poll@56 (line 339)
0x0000000108427fb5: test %eax,-0x343cfbb(%rip)  # 0x0000000104feb000
                                                ;   {poll} *** SAFEPOINT POLL ***
0x0000000108427fbb: test %r11d,%r11d
0x0000000108427fbe: je L0005  ;*ifnull
                              ; - org.jctools.queues.BaseMpscLinkedArrayQueue::poll@56 (line 339)
0x0000000108427fc0: lea (%r12,%r11,8),%rax
0x0000000108427fc4: jmpq L0000
             L0006: lea (%r12,%r11,8),%rax  ;*invokevirtual getObjectVolatile
                                            ; - org.jctools.util.UnsafeRefArrayAccess::lvElement@5 (line 103)
                                            ; - org.jctools.queues.BaseMpscLinkedArrayQueue::poll@49 (line 337)
0x0000000108427fcd: jmpq L0000  ;*invokespecial getNextBuffer
                                ; - org.jctools.queues.BaseMpscLinkedArrayQueue::poll@76 (line 349)
0x0000000108427fd2: mov %rax,%rsi
0x0000000108427fd5: jmp L0007
0x0000000108427fd7: mov %rax,%rsi  ;*invokespecial newBufferPoll
                                   ; - org.jctools.queues.BaseMpscLinkedArrayQueue::poll@85 (line 350)
             L0007: add $0x20,%rsp
0x0000000108427fde: pop %rbp
0x0000000108427fdf: jmpq 0x00000001083a4a20  ;*goto
                                             ; - org.jctools.queues.BaseMpscLinkedArrayQueue::poll@59 (line 339)
                                             ;   {runtime_call}
0x0000000108427fe4: hlt
0x0000000108427fe5: hlt
0x0000000108427fe6: hlt
0x0000000108427fe7: hlt
0x0000000108427fe8: hlt
0x0000000108427fe9: hlt
0x0000000108427fea: hlt
0x0000000108427feb: hlt
0x0000000108427fec: hlt
0x0000000108427fed: hlt
0x0000000108427fee: hlt
0x0000000108427fef: hlt
0x0000000108427ff0: hlt
0x0000000108427ff1: hlt
0x0000000108427ff2: hlt
0x0000000108427ff3: hlt
0x0000000108427ff4: hlt
0x0000000108427ff5: hlt
0x0000000108427ff6: hlt
0x0000000108427ff7: hlt
0x0000000108427ff8: hlt
0x0000000108427ff9: hlt
0x0000000108427ffa: hlt
0x0000000108427ffb: hlt
0x0000000108427ffc: hlt
0x0000000108427ffd: hlt
0x0000000108427ffe: hlt
0x0000000108427fff: hlt
[Stub Code]
0x0000000108428000: movabs $0x0,%rbx  ;   {no_reloc}
             L0008: jmpq L0008  ;   {runtime_call}
0x000000010842800f: movabs $0x0,%rbx  ;   {static_stub}
             L0009: jmpq L0009  ;   {runtime_call}
[Exception Handler]
0x000000010842801e: jmpq 0x0000000108310520  ;   {runtime_call}
[Deopt Handler Code]
0x0000000108428023: callq 0x0000000108428028
0x0000000108428028: subq $0x5,(%rsp)
0x000000010842802d: jmpq 0x00000001082e8240  ;   {runtime_call}
0x0000000108428032: hlt
0x0000000108428033: hlt
0x0000000108428034: hlt
0x0000000108428035: hlt
0x0000000108428036: hlt
0x0000000108428037: hlt