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Posted to commits@harmony.apache.org by "Pavel Afremov (JIRA)" <ji...@apache.org> on 2007/10/22 13:08:50 UTC
[jira] Created: (HARMONY-4991) [jit] Fix compressed references
support for heaps up to 4Gb
[jit] Fix compressed references support for heaps up to 4Gb
-----------------------------------------------------------
Key: HARMONY-4991
URL: https://issues.apache.org/jira/browse/HARMONY-4991
Project: Harmony
Issue Type: Bug
Components: DRLVM
Environment: Linux x86-64 & Windows x86-64
Reporter: Pavel Afremov
Priority: Critical
I tried to run DRL VM in OPT mode with patch from HARMONY-4982 . The result is sigsegv in jited code.
at java.lang.AbstractStringBuilder.append0()
(Ln 168, ...\classlib\modules\luni\src\main\java\java\lang\AbstractStringBuilder.java " if (newSize > value.length) {")
at HeapTest.func()
(Ln 15, .\HeapTest.java " System.out.println("iteration " + i);")
at HeapTest.main()
(Ln 6, .\HeapTest.java " test.func();")
The source of it is incorrect signed extension of 32 bit value to 64 bit register (marked by red in attached assembly code).
0000000005967D47 mov eax,dword ptr [rbx+8]
0000000005967D4A movsxd rax,eax
0000000005967D4D mov rsi,7FFF0000h
0000000005967D57 mov r12,rax
0000000005967D5A add r12,rsi
0000000005967D5D mov qword ptr [rsp],r12
0000000005967D61 mov rax,7FFF0000h
0000000005967D6B cmp r12,rax
0000000005967D6E je 0000000005967E05
--
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[jira] Commented: (HARMONY-4991) [drlvm][jit][opt] Fix compressed
references support for heaps up to 4Gb
Posted by "Pavel Afremov (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HARMONY-4991?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12537077 ]
Pavel Afremov commented on HARMONY-4991:
----------------------------------------
DRLVM crashes in OPT mode on Linux x86-64 if heap size is more 2Gb. In JET mode DRL VM works OK.
> [drlvm][jit][opt] Fix compressed references support for heaps up to 4Gb
> -----------------------------------------------------------------------
>
> Key: HARMONY-4991
> URL: https://issues.apache.org/jira/browse/HARMONY-4991
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: Linux x86-64 & Windows x86-64
> Reporter: Pavel Afremov
> Assignee: Alexey Varlamov
> Priority: Critical
> Attachments: H4991.diff, H4991improved.diff, HeapTest.java
>
>
> I tried to run DRL VM in OPT mode with patch from HARMONY-4982 . The result is sigsegv in jited code.
> at java.lang.AbstractStringBuilder.append0()
> (Ln 168, ...\classlib\modules\luni\src\main\java\java\lang\AbstractStringBuilder.java " if (newSize > value.length) {")
> at HeapTest.func()
> (Ln 15, .\HeapTest.java " System.out.println("iteration " + i);")
> at HeapTest.main()
> (Ln 6, .\HeapTest.java " test.func();")
> The source of it is incorrect signed extension of 32 bit value to 64 bit register (see attached assembly code 0000000005967D4A ).
> 0000000005967D47 mov eax,dword ptr [rbx+8]
> 0000000005967D4A movsxd rax,eax
> 0000000005967D4D mov rsi,7FFF0000h
> 0000000005967D57 mov r12,rax
> 0000000005967D5A add r12,rsi
> 0000000005967D5D mov qword ptr [rsp],r12
> 0000000005967D61 mov rax,7FFF0000h
> 0000000005967D6B cmp r12,rax
> 0000000005967D6E je 0000000005967E05
--
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[jira] Updated: (HARMONY-4991) [drlvm][jit][opt] Fix compressed
references support for heaps up to 4Gb
Posted by "Alexey Varlamov (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HARMONY-4991?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alexey Varlamov updated HARMONY-4991:
-------------------------------------
Attachment: H4991final.diff
Final fix gets rid of 3 extra move instructions, so now 2 instructions are used for load& uncomress instance field instead of 5.
> [drlvm][jit][opt] Fix compressed references support for heaps up to 4Gb
> -----------------------------------------------------------------------
>
> Key: HARMONY-4991
> URL: https://issues.apache.org/jira/browse/HARMONY-4991
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: Linux x86-64 & Windows x86-64
> Reporter: Pavel Afremov
> Assignee: Alexey Varlamov
> Priority: Critical
> Attachments: H4991.diff, H4991final.diff, H4991improved.diff, HeapTest.java
>
>
> I tried to run DRL VM in OPT mode with patch from HARMONY-4982 . The result is sigsegv in jited code.
> at java.lang.AbstractStringBuilder.append0()
> (Ln 168, ...\classlib\modules\luni\src\main\java\java\lang\AbstractStringBuilder.java " if (newSize > value.length) {")
> at HeapTest.func()
> (Ln 15, .\HeapTest.java " System.out.println("iteration " + i);")
> at HeapTest.main()
> (Ln 6, .\HeapTest.java " test.func();")
> The source of it is incorrect signed extension of 32 bit value to 64 bit register (see attached assembly code 0000000005967D4A ).
> 0000000005967D47 mov eax,dword ptr [rbx+8]
> 0000000005967D4A movsxd rax,eax
> 0000000005967D4D mov rsi,7FFF0000h
> 0000000005967D57 mov r12,rax
> 0000000005967D5A add r12,rsi
> 0000000005967D5D mov qword ptr [rsp],r12
> 0000000005967D61 mov rax,7FFF0000h
> 0000000005967D6B cmp r12,rax
> 0000000005967D6E je 0000000005967E05
--
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[jira] Commented: (HARMONY-4991) [drlvm][jit][opt] Fix compressed
references support for heaps up to 4Gb
Posted by "Pavel Afremov (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HARMONY-4991?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12536780 ]
Pavel Afremov commented on HARMONY-4991:
----------------------------------------
Oh no. Strange crash in default mixed mode. I am evaluate it tomorow.
> [drlvm][jit][opt] Fix compressed references support for heaps up to 4Gb
> -----------------------------------------------------------------------
>
> Key: HARMONY-4991
> URL: https://issues.apache.org/jira/browse/HARMONY-4991
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: Linux x86-64 & Windows x86-64
> Reporter: Pavel Afremov
> Assignee: Alexey Varlamov
> Priority: Critical
> Attachments: H4991.diff, HeapTest.java
>
>
> I tried to run DRL VM in OPT mode with patch from HARMONY-4982 . The result is sigsegv in jited code.
> at java.lang.AbstractStringBuilder.append0()
> (Ln 168, ...\classlib\modules\luni\src\main\java\java\lang\AbstractStringBuilder.java " if (newSize > value.length) {")
> at HeapTest.func()
> (Ln 15, .\HeapTest.java " System.out.println("iteration " + i);")
> at HeapTest.main()
> (Ln 6, .\HeapTest.java " test.func();")
> The source of it is incorrect signed extension of 32 bit value to 64 bit register (see attached assembly code 0000000005967D4A ).
> 0000000005967D47 mov eax,dword ptr [rbx+8]
> 0000000005967D4A movsxd rax,eax
> 0000000005967D4D mov rsi,7FFF0000h
> 0000000005967D57 mov r12,rax
> 0000000005967D5A add r12,rsi
> 0000000005967D5D mov qword ptr [rsp],r12
> 0000000005967D61 mov rax,7FFF0000h
> 0000000005967D6B cmp r12,rax
> 0000000005967D6E je 0000000005967E05
--
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[jira] Commented: (HARMONY-4991) [drlvm][jit][opt] Fix compressed
references support for heaps up to 4Gb
Posted by "Alexey Varlamov (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HARMONY-4991?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12537287 ]
Alexey Varlamov commented on HARMONY-4991:
------------------------------------------
Reproduced on SLES9, VM crashes at startup if the heap is bigger than 1980M.
Somehow the generated code of java/util/HashMap.computeMaxSize() becomes corrupt and bad address is called instead of helper. Magic of numbers ;)
> [drlvm][jit][opt] Fix compressed references support for heaps up to 4Gb
> -----------------------------------------------------------------------
>
> Key: HARMONY-4991
> URL: https://issues.apache.org/jira/browse/HARMONY-4991
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: Linux x86-64 & Windows x86-64
> Reporter: Pavel Afremov
> Assignee: Alexey Varlamov
> Priority: Critical
> Attachments: H4991.diff, H4991improved.diff, HeapTest.java
>
>
> I tried to run DRL VM in OPT mode with patch from HARMONY-4982 . The result is sigsegv in jited code.
> at java.lang.AbstractStringBuilder.append0()
> (Ln 168, ...\classlib\modules\luni\src\main\java\java\lang\AbstractStringBuilder.java " if (newSize > value.length) {")
> at HeapTest.func()
> (Ln 15, .\HeapTest.java " System.out.println("iteration " + i);")
> at HeapTest.main()
> (Ln 6, .\HeapTest.java " test.func();")
> The source of it is incorrect signed extension of 32 bit value to 64 bit register (see attached assembly code 0000000005967D4A ).
> 0000000005967D47 mov eax,dword ptr [rbx+8]
> 0000000005967D4A movsxd rax,eax
> 0000000005967D4D mov rsi,7FFF0000h
> 0000000005967D57 mov r12,rax
> 0000000005967D5A add r12,rsi
> 0000000005967D5D mov qword ptr [rsp],r12
> 0000000005967D61 mov rax,7FFF0000h
> 0000000005967D6B cmp r12,rax
> 0000000005967D6E je 0000000005967E05
--
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[jira] Updated: (HARMONY-4991) [drlvm][jit][opt] Fix compressed
references support for heaps up to 4Gb
Posted by "Pavel Afremov (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HARMONY-4991?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Pavel Afremov updated HARMONY-4991:
-----------------------------------
Attachment: HeapTest.java
You can use HeapTest from HARMONY-4982 to reproduce a segmentation fault.
Also I add here advanced test which checks works with objects more closely.
> [drlvm][jit][opt] Fix compressed references support for heaps up to 4Gb
> -----------------------------------------------------------------------
>
> Key: HARMONY-4991
> URL: https://issues.apache.org/jira/browse/HARMONY-4991
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: Linux x86-64 & Windows x86-64
> Reporter: Pavel Afremov
> Assignee: Alexey Varlamov
> Priority: Critical
> Attachments: H4991.diff, HeapTest.java
>
>
> I tried to run DRL VM in OPT mode with patch from HARMONY-4982 . The result is sigsegv in jited code.
> at java.lang.AbstractStringBuilder.append0()
> (Ln 168, ...\classlib\modules\luni\src\main\java\java\lang\AbstractStringBuilder.java " if (newSize > value.length) {")
> at HeapTest.func()
> (Ln 15, .\HeapTest.java " System.out.println("iteration " + i);")
> at HeapTest.main()
> (Ln 6, .\HeapTest.java " test.func();")
> The source of it is incorrect signed extension of 32 bit value to 64 bit register (see attached assembly code 0000000005967D4A ).
> 0000000005967D47 mov eax,dword ptr [rbx+8]
> 0000000005967D4A movsxd rax,eax
> 0000000005967D4D mov rsi,7FFF0000h
> 0000000005967D57 mov r12,rax
> 0000000005967D5A add r12,rsi
> 0000000005967D5D mov qword ptr [rsp],r12
> 0000000005967D61 mov rax,7FFF0000h
> 0000000005967D6B cmp r12,rax
> 0000000005967D6E je 0000000005967E05
--
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[jira] Updated: (HARMONY-4991) [drlvm][jit][opt] Fix compressed
references support for heaps up to 4Gb
Posted by "Alexey Varlamov (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HARMONY-4991?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alexey Varlamov updated HARMONY-4991:
-------------------------------------
Attachment: (was: H4991final.diff)
> [drlvm][jit][opt] Fix compressed references support for heaps up to 4Gb
> -----------------------------------------------------------------------
>
> Key: HARMONY-4991
> URL: https://issues.apache.org/jira/browse/HARMONY-4991
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: Linux x86-64 & Windows x86-64
> Reporter: Pavel Afremov
> Assignee: Alexey Varlamov
> Priority: Critical
> Attachments: H4991.diff, H4991final.diff, H4991improved.diff, HeapTest.java
>
>
> I tried to run DRL VM in OPT mode with patch from HARMONY-4982 . The result is sigsegv in jited code.
> at java.lang.AbstractStringBuilder.append0()
> (Ln 168, ...\classlib\modules\luni\src\main\java\java\lang\AbstractStringBuilder.java " if (newSize > value.length) {")
> at HeapTest.func()
> (Ln 15, .\HeapTest.java " System.out.println("iteration " + i);")
> at HeapTest.main()
> (Ln 6, .\HeapTest.java " test.func();")
> The source of it is incorrect signed extension of 32 bit value to 64 bit register (see attached assembly code 0000000005967D4A ).
> 0000000005967D47 mov eax,dword ptr [rbx+8]
> 0000000005967D4A movsxd rax,eax
> 0000000005967D4D mov rsi,7FFF0000h
> 0000000005967D57 mov r12,rax
> 0000000005967D5A add r12,rsi
> 0000000005967D5D mov qword ptr [rsp],r12
> 0000000005967D61 mov rax,7FFF0000h
> 0000000005967D6B cmp r12,rax
> 0000000005967D6E je 0000000005967E05
--
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You can reply to this email to add a comment to the issue online.
[jira] Updated: (HARMONY-4991) [drlvm][jit][opt] Fix compressed
references support for heaps up to 4Gb
Posted by "Alexey Varlamov (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HARMONY-4991?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alexey Varlamov updated HARMONY-4991:
-------------------------------------
Attachment: H4991improved.diff
Could not reproduce crash in default mode so far. BTW, here is the improved fix, which also gets rid of intermediate move.
> [drlvm][jit][opt] Fix compressed references support for heaps up to 4Gb
> -----------------------------------------------------------------------
>
> Key: HARMONY-4991
> URL: https://issues.apache.org/jira/browse/HARMONY-4991
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: Linux x86-64 & Windows x86-64
> Reporter: Pavel Afremov
> Assignee: Alexey Varlamov
> Priority: Critical
> Attachments: H4991.diff, H4991improved.diff, HeapTest.java
>
>
> I tried to run DRL VM in OPT mode with patch from HARMONY-4982 . The result is sigsegv in jited code.
> at java.lang.AbstractStringBuilder.append0()
> (Ln 168, ...\classlib\modules\luni\src\main\java\java\lang\AbstractStringBuilder.java " if (newSize > value.length) {")
> at HeapTest.func()
> (Ln 15, .\HeapTest.java " System.out.println("iteration " + i);")
> at HeapTest.main()
> (Ln 6, .\HeapTest.java " test.func();")
> The source of it is incorrect signed extension of 32 bit value to 64 bit register (see attached assembly code 0000000005967D4A ).
> 0000000005967D47 mov eax,dword ptr [rbx+8]
> 0000000005967D4A movsxd rax,eax
> 0000000005967D4D mov rsi,7FFF0000h
> 0000000005967D57 mov r12,rax
> 0000000005967D5A add r12,rsi
> 0000000005967D5D mov qword ptr [rsp],r12
> 0000000005967D61 mov rax,7FFF0000h
> 0000000005967D6B cmp r12,rax
> 0000000005967D6E je 0000000005967E05
--
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[jira] Commented: (HARMONY-4991) [drlvm][jit][opt] Fix compressed
references support for heaps up to 4Gb
Posted by "Pavel Afremov (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HARMONY-4991?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12537379 ]
Pavel Afremov commented on HARMONY-4991:
----------------------------------------
I split crash on Linux in separate JIRA HARMONY-5016 .
Thanks.
> [drlvm][jit][opt] Fix compressed references support for heaps up to 4Gb
> -----------------------------------------------------------------------
>
> Key: HARMONY-4991
> URL: https://issues.apache.org/jira/browse/HARMONY-4991
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: Linux x86-64 & Windows x86-64
> Reporter: Pavel Afremov
> Assignee: Alexey Varlamov
> Priority: Critical
> Attachments: H4991.diff, H4991improved.diff, HeapTest.java
>
>
> I tried to run DRL VM in OPT mode with patch from HARMONY-4982 . The result is sigsegv in jited code.
> at java.lang.AbstractStringBuilder.append0()
> (Ln 168, ...\classlib\modules\luni\src\main\java\java\lang\AbstractStringBuilder.java " if (newSize > value.length) {")
> at HeapTest.func()
> (Ln 15, .\HeapTest.java " System.out.println("iteration " + i);")
> at HeapTest.main()
> (Ln 6, .\HeapTest.java " test.func();")
> The source of it is incorrect signed extension of 32 bit value to 64 bit register (see attached assembly code 0000000005967D4A ).
> 0000000005967D47 mov eax,dword ptr [rbx+8]
> 0000000005967D4A movsxd rax,eax
> 0000000005967D4D mov rsi,7FFF0000h
> 0000000005967D57 mov r12,rax
> 0000000005967D5A add r12,rsi
> 0000000005967D5D mov qword ptr [rsp],r12
> 0000000005967D61 mov rax,7FFF0000h
> 0000000005967D6B cmp r12,rax
> 0000000005967D6E je 0000000005967E05
--
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[jira] Updated: (HARMONY-4991) [jit] Fix compressed references
support for heaps up to 4Gb
Posted by "Pavel Afremov (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HARMONY-4991?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Pavel Afremov updated HARMONY-4991:
-----------------------------------
Description:
I tried to run DRL VM in OPT mode with patch from HARMONY-4982 . The result is sigsegv in jited code.
at java.lang.AbstractStringBuilder.append0()
(Ln 168, ...\classlib\modules\luni\src\main\java\java\lang\AbstractStringBuilder.java " if (newSize > value.length) {")
at HeapTest.func()
(Ln 15, .\HeapTest.java " System.out.println("iteration " + i);")
at HeapTest.main()
(Ln 6, .\HeapTest.java " test.func();")
The source of it is incorrect signed extension of 32 bit value to 64 bit register (see attached assembly code).
0000000005967D47 mov eax,dword ptr [rbx+8]
0000000005967D4A movsxd rax,eax
0000000005967D4D mov rsi,7FFF0000h
0000000005967D57 mov r12,rax
0000000005967D5A add r12,rsi
0000000005967D5D mov qword ptr [rsp],r12
0000000005967D61 mov rax,7FFF0000h
0000000005967D6B cmp r12,rax
0000000005967D6E je 0000000005967E05
was:
I tried to run DRL VM in OPT mode with patch from HARMONY-4982 . The result is sigsegv in jited code.
at java.lang.AbstractStringBuilder.append0()
(Ln 168, ...\classlib\modules\luni\src\main\java\java\lang\AbstractStringBuilder.java " if (newSize > value.length) {")
at HeapTest.func()
(Ln 15, .\HeapTest.java " System.out.println("iteration " + i);")
at HeapTest.main()
(Ln 6, .\HeapTest.java " test.func();")
The source of it is incorrect signed extension of 32 bit value to 64 bit register (marked by red in attached assembly code).
0000000005967D47 mov eax,dword ptr [rbx+8]
0000000005967D4A movsxd rax,eax
0000000005967D4D mov rsi,7FFF0000h
0000000005967D57 mov r12,rax
0000000005967D5A add r12,rsi
0000000005967D5D mov qword ptr [rsp],r12
0000000005967D61 mov rax,7FFF0000h
0000000005967D6B cmp r12,rax
0000000005967D6E je 0000000005967E05
> [jit] Fix compressed references support for heaps up to 4Gb
> -----------------------------------------------------------
>
> Key: HARMONY-4991
> URL: https://issues.apache.org/jira/browse/HARMONY-4991
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: Linux x86-64 & Windows x86-64
> Reporter: Pavel Afremov
> Priority: Critical
>
> I tried to run DRL VM in OPT mode with patch from HARMONY-4982 . The result is sigsegv in jited code.
> at java.lang.AbstractStringBuilder.append0()
> (Ln 168, ...\classlib\modules\luni\src\main\java\java\lang\AbstractStringBuilder.java " if (newSize > value.length) {")
> at HeapTest.func()
> (Ln 15, .\HeapTest.java " System.out.println("iteration " + i);")
> at HeapTest.main()
> (Ln 6, .\HeapTest.java " test.func();")
> The source of it is incorrect signed extension of 32 bit value to 64 bit register (see attached assembly code).
> 0000000005967D47 mov eax,dword ptr [rbx+8]
> 0000000005967D4A movsxd rax,eax
> 0000000005967D4D mov rsi,7FFF0000h
> 0000000005967D57 mov r12,rax
> 0000000005967D5A add r12,rsi
> 0000000005967D5D mov qword ptr [rsp],r12
> 0000000005967D61 mov rax,7FFF0000h
> 0000000005967D6B cmp r12,rax
> 0000000005967D6E je 0000000005967E05
--
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[jira] Updated: (HARMONY-4991) [drlvm][jit][opt] Fix compressed
references support for heaps up to 4Gb
Posted by "Alexey Varlamov (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HARMONY-4991?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alexey Varlamov updated HARMONY-4991:
-------------------------------------
Patch Info: [Patch Available]
Will commit the test after running tests overnight - and you may verify the fix in parallel ;)
> [drlvm][jit][opt] Fix compressed references support for heaps up to 4Gb
> -----------------------------------------------------------------------
>
> Key: HARMONY-4991
> URL: https://issues.apache.org/jira/browse/HARMONY-4991
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: Linux x86-64 & Windows x86-64
> Reporter: Pavel Afremov
> Assignee: Alexey Varlamov
> Priority: Critical
> Attachments: H4991.diff
>
>
> I tried to run DRL VM in OPT mode with patch from HARMONY-4982 . The result is sigsegv in jited code.
> at java.lang.AbstractStringBuilder.append0()
> (Ln 168, ...\classlib\modules\luni\src\main\java\java\lang\AbstractStringBuilder.java " if (newSize > value.length) {")
> at HeapTest.func()
> (Ln 15, .\HeapTest.java " System.out.println("iteration " + i);")
> at HeapTest.main()
> (Ln 6, .\HeapTest.java " test.func();")
> The source of it is incorrect signed extension of 32 bit value to 64 bit register (see attached assembly code 0000000005967D4A ).
> 0000000005967D47 mov eax,dword ptr [rbx+8]
> 0000000005967D4A movsxd rax,eax
> 0000000005967D4D mov rsi,7FFF0000h
> 0000000005967D57 mov r12,rax
> 0000000005967D5A add r12,rsi
> 0000000005967D5D mov qword ptr [rsp],r12
> 0000000005967D61 mov rax,7FFF0000h
> 0000000005967D6B cmp r12,rax
> 0000000005967D6E je 0000000005967E05
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[jira] Resolved: (HARMONY-4991) [drlvm][jit][opt] Fix compressed
references support for heaps up to 4Gb
Posted by "Alexey Varlamov (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HARMONY-4991?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alexey Varlamov resolved HARMONY-4991.
--------------------------------------
Resolution: Fixed
Well, the final patch is not quite correct and will be re-done as a part of HARMONY-5022, so I applied "improved" version at revision: 588504.
I don't think we can afford a common regression test for this issue - please verify and close.
> [drlvm][jit][opt] Fix compressed references support for heaps up to 4Gb
> -----------------------------------------------------------------------
>
> Key: HARMONY-4991
> URL: https://issues.apache.org/jira/browse/HARMONY-4991
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: Linux x86-64 & Windows x86-64
> Reporter: Pavel Afremov
> Assignee: Alexey Varlamov
> Priority: Critical
> Attachments: H4991.diff, H4991final.diff, H4991improved.diff, HeapTest.java
>
>
> I tried to run DRL VM in OPT mode with patch from HARMONY-4982 . The result is sigsegv in jited code.
> at java.lang.AbstractStringBuilder.append0()
> (Ln 168, ...\classlib\modules\luni\src\main\java\java\lang\AbstractStringBuilder.java " if (newSize > value.length) {")
> at HeapTest.func()
> (Ln 15, .\HeapTest.java " System.out.println("iteration " + i);")
> at HeapTest.main()
> (Ln 6, .\HeapTest.java " test.func();")
> The source of it is incorrect signed extension of 32 bit value to 64 bit register (see attached assembly code 0000000005967D4A ).
> 0000000005967D47 mov eax,dword ptr [rbx+8]
> 0000000005967D4A movsxd rax,eax
> 0000000005967D4D mov rsi,7FFF0000h
> 0000000005967D57 mov r12,rax
> 0000000005967D5A add r12,rsi
> 0000000005967D5D mov qword ptr [rsp],r12
> 0000000005967D61 mov rax,7FFF0000h
> 0000000005967D6B cmp r12,rax
> 0000000005967D6E je 0000000005967E05
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[jira] Assigned: (HARMONY-4991) [jit][opt] Fix compressed
references support for heaps up to 4Gb
Posted by "Alexey Varlamov (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HARMONY-4991?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alexey Varlamov reassigned HARMONY-4991:
----------------------------------------
Assignee: Alexey Varlamov
> [jit][opt] Fix compressed references support for heaps up to 4Gb
> ----------------------------------------------------------------
>
> Key: HARMONY-4991
> URL: https://issues.apache.org/jira/browse/HARMONY-4991
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: Linux x86-64 & Windows x86-64
> Reporter: Pavel Afremov
> Assignee: Alexey Varlamov
> Priority: Critical
>
> I tried to run DRL VM in OPT mode with patch from HARMONY-4982 . The result is sigsegv in jited code.
> at java.lang.AbstractStringBuilder.append0()
> (Ln 168, ...\classlib\modules\luni\src\main\java\java\lang\AbstractStringBuilder.java " if (newSize > value.length) {")
> at HeapTest.func()
> (Ln 15, .\HeapTest.java " System.out.println("iteration " + i);")
> at HeapTest.main()
> (Ln 6, .\HeapTest.java " test.func();")
> The source of it is incorrect signed extension of 32 bit value to 64 bit register (see attached assembly code 0000000005967D4A ).
> 0000000005967D47 mov eax,dword ptr [rbx+8]
> 0000000005967D4A movsxd rax,eax
> 0000000005967D4D mov rsi,7FFF0000h
> 0000000005967D57 mov r12,rax
> 0000000005967D5A add r12,rsi
> 0000000005967D5D mov qword ptr [rsp],r12
> 0000000005967D61 mov rax,7FFF0000h
> 0000000005967D6B cmp r12,rax
> 0000000005967D6E je 0000000005967E05
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[jira] Commented: (HARMONY-4991) [drlvm][jit][opt] Fix compressed
references support for heaps up to 4Gb
Posted by "Pavel Afremov (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HARMONY-4991?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12537076 ]
Pavel Afremov commented on HARMONY-4991:
----------------------------------------
Looks like crash is an other bug, and isn't related to large heap.
I reproduced bug on 30 Mb heap. So I split this bug to separate JIRA HARMONY-5009.
> [drlvm][jit][opt] Fix compressed references support for heaps up to 4Gb
> -----------------------------------------------------------------------
>
> Key: HARMONY-4991
> URL: https://issues.apache.org/jira/browse/HARMONY-4991
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: Linux x86-64 & Windows x86-64
> Reporter: Pavel Afremov
> Assignee: Alexey Varlamov
> Priority: Critical
> Attachments: H4991.diff, H4991improved.diff, HeapTest.java
>
>
> I tried to run DRL VM in OPT mode with patch from HARMONY-4982 . The result is sigsegv in jited code.
> at java.lang.AbstractStringBuilder.append0()
> (Ln 168, ...\classlib\modules\luni\src\main\java\java\lang\AbstractStringBuilder.java " if (newSize > value.length) {")
> at HeapTest.func()
> (Ln 15, .\HeapTest.java " System.out.println("iteration " + i);")
> at HeapTest.main()
> (Ln 6, .\HeapTest.java " test.func();")
> The source of it is incorrect signed extension of 32 bit value to 64 bit register (see attached assembly code 0000000005967D4A ).
> 0000000005967D47 mov eax,dword ptr [rbx+8]
> 0000000005967D4A movsxd rax,eax
> 0000000005967D4D mov rsi,7FFF0000h
> 0000000005967D57 mov r12,rax
> 0000000005967D5A add r12,rsi
> 0000000005967D5D mov qword ptr [rsp],r12
> 0000000005967D61 mov rax,7FFF0000h
> 0000000005967D6B cmp r12,rax
> 0000000005967D6E je 0000000005967E05
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[jira] Commented: (HARMONY-4991) [drlvm][jit][opt] Fix compressed
references support for heaps up to 4Gb
Posted by "Pavel Afremov (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HARMONY-4991?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12536778 ]
Pavel Afremov commented on HARMONY-4991:
----------------------------------------
New test works OK with the patch.
Thanks.
> [drlvm][jit][opt] Fix compressed references support for heaps up to 4Gb
> -----------------------------------------------------------------------
>
> Key: HARMONY-4991
> URL: https://issues.apache.org/jira/browse/HARMONY-4991
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: Linux x86-64 & Windows x86-64
> Reporter: Pavel Afremov
> Assignee: Alexey Varlamov
> Priority: Critical
> Attachments: H4991.diff, HeapTest.java
>
>
> I tried to run DRL VM in OPT mode with patch from HARMONY-4982 . The result is sigsegv in jited code.
> at java.lang.AbstractStringBuilder.append0()
> (Ln 168, ...\classlib\modules\luni\src\main\java\java\lang\AbstractStringBuilder.java " if (newSize > value.length) {")
> at HeapTest.func()
> (Ln 15, .\HeapTest.java " System.out.println("iteration " + i);")
> at HeapTest.main()
> (Ln 6, .\HeapTest.java " test.func();")
> The source of it is incorrect signed extension of 32 bit value to 64 bit register (see attached assembly code 0000000005967D4A ).
> 0000000005967D47 mov eax,dword ptr [rbx+8]
> 0000000005967D4A movsxd rax,eax
> 0000000005967D4D mov rsi,7FFF0000h
> 0000000005967D57 mov r12,rax
> 0000000005967D5A add r12,rsi
> 0000000005967D5D mov qword ptr [rsp],r12
> 0000000005967D61 mov rax,7FFF0000h
> 0000000005967D6B cmp r12,rax
> 0000000005967D6E je 0000000005967E05
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[jira] Closed: (HARMONY-4991) [drlvm][jit][opt] Fix compressed
references support for heaps up to 4Gb
Posted by "Pavel Afremov (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HARMONY-4991?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Pavel Afremov closed HARMONY-4991.
----------------------------------
> [drlvm][jit][opt] Fix compressed references support for heaps up to 4Gb
> -----------------------------------------------------------------------
>
> Key: HARMONY-4991
> URL: https://issues.apache.org/jira/browse/HARMONY-4991
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: Linux x86-64 & Windows x86-64
> Reporter: Pavel Afremov
> Assignee: Alexey Varlamov
> Priority: Critical
> Attachments: H4991.diff, H4991final.diff, H4991improved.diff, HeapTest.java
>
>
> I tried to run DRL VM in OPT mode with patch from HARMONY-4982 . The result is sigsegv in jited code.
> at java.lang.AbstractStringBuilder.append0()
> (Ln 168, ...\classlib\modules\luni\src\main\java\java\lang\AbstractStringBuilder.java " if (newSize > value.length) {")
> at HeapTest.func()
> (Ln 15, .\HeapTest.java " System.out.println("iteration " + i);")
> at HeapTest.main()
> (Ln 6, .\HeapTest.java " test.func();")
> The source of it is incorrect signed extension of 32 bit value to 64 bit register (see attached assembly code 0000000005967D4A ).
> 0000000005967D47 mov eax,dword ptr [rbx+8]
> 0000000005967D4A movsxd rax,eax
> 0000000005967D4D mov rsi,7FFF0000h
> 0000000005967D57 mov r12,rax
> 0000000005967D5A add r12,rsi
> 0000000005967D5D mov qword ptr [rsp],r12
> 0000000005967D61 mov rax,7FFF0000h
> 0000000005967D6B cmp r12,rax
> 0000000005967D6E je 0000000005967E05
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[jira] Updated: (HARMONY-4991) [jit][opt] Fix compressed references
support for heaps up to 4Gb
Posted by "Pavel Afremov (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HARMONY-4991?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Pavel Afremov updated HARMONY-4991:
-----------------------------------
Summary: [jit][opt] Fix compressed references support for heaps up to 4Gb (was: [jit] Fix compressed references support for heaps up to 4Gb)
> [jit][opt] Fix compressed references support for heaps up to 4Gb
> ----------------------------------------------------------------
>
> Key: HARMONY-4991
> URL: https://issues.apache.org/jira/browse/HARMONY-4991
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: Linux x86-64 & Windows x86-64
> Reporter: Pavel Afremov
> Priority: Critical
>
> I tried to run DRL VM in OPT mode with patch from HARMONY-4982 . The result is sigsegv in jited code.
> at java.lang.AbstractStringBuilder.append0()
> (Ln 168, ...\classlib\modules\luni\src\main\java\java\lang\AbstractStringBuilder.java " if (newSize > value.length) {")
> at HeapTest.func()
> (Ln 15, .\HeapTest.java " System.out.println("iteration " + i);")
> at HeapTest.main()
> (Ln 6, .\HeapTest.java " test.func();")
> The source of it is incorrect signed extension of 32 bit value to 64 bit register (see attached assembly code).
> 0000000005967D47 mov eax,dword ptr [rbx+8]
> 0000000005967D4A movsxd rax,eax
> 0000000005967D4D mov rsi,7FFF0000h
> 0000000005967D57 mov r12,rax
> 0000000005967D5A add r12,rsi
> 0000000005967D5D mov qword ptr [rsp],r12
> 0000000005967D61 mov rax,7FFF0000h
> 0000000005967D6B cmp r12,rax
> 0000000005967D6E je 0000000005967E05
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[jira] Updated: (HARMONY-4991) [drlvm][jit][opt] Fix compressed
references support for heaps up to 4Gb
Posted by "Alexey Varlamov (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HARMONY-4991?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alexey Varlamov updated HARMONY-4991:
-------------------------------------
Attachment: H4991final.diff
> [drlvm][jit][opt] Fix compressed references support for heaps up to 4Gb
> -----------------------------------------------------------------------
>
> Key: HARMONY-4991
> URL: https://issues.apache.org/jira/browse/HARMONY-4991
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: Linux x86-64 & Windows x86-64
> Reporter: Pavel Afremov
> Assignee: Alexey Varlamov
> Priority: Critical
> Attachments: H4991.diff, H4991final.diff, H4991improved.diff, HeapTest.java
>
>
> I tried to run DRL VM in OPT mode with patch from HARMONY-4982 . The result is sigsegv in jited code.
> at java.lang.AbstractStringBuilder.append0()
> (Ln 168, ...\classlib\modules\luni\src\main\java\java\lang\AbstractStringBuilder.java " if (newSize > value.length) {")
> at HeapTest.func()
> (Ln 15, .\HeapTest.java " System.out.println("iteration " + i);")
> at HeapTest.main()
> (Ln 6, .\HeapTest.java " test.func();")
> The source of it is incorrect signed extension of 32 bit value to 64 bit register (see attached assembly code 0000000005967D4A ).
> 0000000005967D47 mov eax,dword ptr [rbx+8]
> 0000000005967D4A movsxd rax,eax
> 0000000005967D4D mov rsi,7FFF0000h
> 0000000005967D57 mov r12,rax
> 0000000005967D5A add r12,rsi
> 0000000005967D5D mov qword ptr [rsp],r12
> 0000000005967D61 mov rax,7FFF0000h
> 0000000005967D6B cmp r12,rax
> 0000000005967D6E je 0000000005967E05
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[jira] Updated: (HARMONY-4991) [jit][opt] Fix compressed references
support for heaps up to 4Gb
Posted by "Pavel Afremov (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HARMONY-4991?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Pavel Afremov updated HARMONY-4991:
-----------------------------------
Description:
I tried to run DRL VM in OPT mode with patch from HARMONY-4982 . The result is sigsegv in jited code.
at java.lang.AbstractStringBuilder.append0()
(Ln 168, ...\classlib\modules\luni\src\main\java\java\lang\AbstractStringBuilder.java " if (newSize > value.length) {")
at HeapTest.func()
(Ln 15, .\HeapTest.java " System.out.println("iteration " + i);")
at HeapTest.main()
(Ln 6, .\HeapTest.java " test.func();")
The source of it is incorrect signed extension of 32 bit value to 64 bit register (see attached assembly code 0000000005967D4A ).
0000000005967D47 mov eax,dword ptr [rbx+8]
0000000005967D4A movsxd rax,eax
0000000005967D4D mov rsi,7FFF0000h
0000000005967D57 mov r12,rax
0000000005967D5A add r12,rsi
0000000005967D5D mov qword ptr [rsp],r12
0000000005967D61 mov rax,7FFF0000h
0000000005967D6B cmp r12,rax
0000000005967D6E je 0000000005967E05
was:
I tried to run DRL VM in OPT mode with patch from HARMONY-4982 . The result is sigsegv in jited code.
at java.lang.AbstractStringBuilder.append0()
(Ln 168, ...\classlib\modules\luni\src\main\java\java\lang\AbstractStringBuilder.java " if (newSize > value.length) {")
at HeapTest.func()
(Ln 15, .\HeapTest.java " System.out.println("iteration " + i);")
at HeapTest.main()
(Ln 6, .\HeapTest.java " test.func();")
The source of it is incorrect signed extension of 32 bit value to 64 bit register (see attached assembly code).
0000000005967D47 mov eax,dword ptr [rbx+8]
0000000005967D4A movsxd rax,eax
0000000005967D4D mov rsi,7FFF0000h
0000000005967D57 mov r12,rax
0000000005967D5A add r12,rsi
0000000005967D5D mov qword ptr [rsp],r12
0000000005967D61 mov rax,7FFF0000h
0000000005967D6B cmp r12,rax
0000000005967D6E je 0000000005967E05
> [jit][opt] Fix compressed references support for heaps up to 4Gb
> ----------------------------------------------------------------
>
> Key: HARMONY-4991
> URL: https://issues.apache.org/jira/browse/HARMONY-4991
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: Linux x86-64 & Windows x86-64
> Reporter: Pavel Afremov
> Priority: Critical
>
> I tried to run DRL VM in OPT mode with patch from HARMONY-4982 . The result is sigsegv in jited code.
> at java.lang.AbstractStringBuilder.append0()
> (Ln 168, ...\classlib\modules\luni\src\main\java\java\lang\AbstractStringBuilder.java " if (newSize > value.length) {")
> at HeapTest.func()
> (Ln 15, .\HeapTest.java " System.out.println("iteration " + i);")
> at HeapTest.main()
> (Ln 6, .\HeapTest.java " test.func();")
> The source of it is incorrect signed extension of 32 bit value to 64 bit register (see attached assembly code 0000000005967D4A ).
> 0000000005967D47 mov eax,dword ptr [rbx+8]
> 0000000005967D4A movsxd rax,eax
> 0000000005967D4D mov rsi,7FFF0000h
> 0000000005967D57 mov r12,rax
> 0000000005967D5A add r12,rsi
> 0000000005967D5D mov qword ptr [rsp],r12
> 0000000005967D61 mov rax,7FFF0000h
> 0000000005967D6B cmp r12,rax
> 0000000005967D6E je 0000000005967E05
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[jira] Updated: (HARMONY-4991) [drlvm][jit][opt] Fix compressed
references support for heaps up to 4Gb
Posted by "Alexey Varlamov (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HARMONY-4991?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alexey Varlamov updated HARMONY-4991:
-------------------------------------
Summary: [drlvm][jit][opt] Fix compressed references support for heaps up to 4Gb (was: [jit][opt] Fix compressed references support for heaps up to 4Gb)
> [drlvm][jit][opt] Fix compressed references support for heaps up to 4Gb
> -----------------------------------------------------------------------
>
> Key: HARMONY-4991
> URL: https://issues.apache.org/jira/browse/HARMONY-4991
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: Linux x86-64 & Windows x86-64
> Reporter: Pavel Afremov
> Assignee: Alexey Varlamov
> Priority: Critical
>
> I tried to run DRL VM in OPT mode with patch from HARMONY-4982 . The result is sigsegv in jited code.
> at java.lang.AbstractStringBuilder.append0()
> (Ln 168, ...\classlib\modules\luni\src\main\java\java\lang\AbstractStringBuilder.java " if (newSize > value.length) {")
> at HeapTest.func()
> (Ln 15, .\HeapTest.java " System.out.println("iteration " + i);")
> at HeapTest.main()
> (Ln 6, .\HeapTest.java " test.func();")
> The source of it is incorrect signed extension of 32 bit value to 64 bit register (see attached assembly code 0000000005967D4A ).
> 0000000005967D47 mov eax,dword ptr [rbx+8]
> 0000000005967D4A movsxd rax,eax
> 0000000005967D4D mov rsi,7FFF0000h
> 0000000005967D57 mov r12,rax
> 0000000005967D5A add r12,rsi
> 0000000005967D5D mov qword ptr [rsp],r12
> 0000000005967D61 mov rax,7FFF0000h
> 0000000005967D6B cmp r12,rax
> 0000000005967D6E je 0000000005967E05
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[jira] Updated: (HARMONY-4991) [drlvm][jit][opt] Fix compressed
references support for heaps up to 4Gb
Posted by "Alexey Varlamov (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HARMONY-4991?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alexey Varlamov updated HARMONY-4991:
-------------------------------------
Attachment: H4991.diff
Pavel, thanks for the initial analysis provided, it speeded up the fix.
> [drlvm][jit][opt] Fix compressed references support for heaps up to 4Gb
> -----------------------------------------------------------------------
>
> Key: HARMONY-4991
> URL: https://issues.apache.org/jira/browse/HARMONY-4991
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Environment: Linux x86-64 & Windows x86-64
> Reporter: Pavel Afremov
> Assignee: Alexey Varlamov
> Priority: Critical
> Attachments: H4991.diff
>
>
> I tried to run DRL VM in OPT mode with patch from HARMONY-4982 . The result is sigsegv in jited code.
> at java.lang.AbstractStringBuilder.append0()
> (Ln 168, ...\classlib\modules\luni\src\main\java\java\lang\AbstractStringBuilder.java " if (newSize > value.length) {")
> at HeapTest.func()
> (Ln 15, .\HeapTest.java " System.out.println("iteration " + i);")
> at HeapTest.main()
> (Ln 6, .\HeapTest.java " test.func();")
> The source of it is incorrect signed extension of 32 bit value to 64 bit register (see attached assembly code 0000000005967D4A ).
> 0000000005967D47 mov eax,dword ptr [rbx+8]
> 0000000005967D4A movsxd rax,eax
> 0000000005967D4D mov rsi,7FFF0000h
> 0000000005967D57 mov r12,rax
> 0000000005967D5A add r12,rsi
> 0000000005967D5D mov qword ptr [rsp],r12
> 0000000005967D61 mov rax,7FFF0000h
> 0000000005967D6B cmp r12,rax
> 0000000005967D6E je 0000000005967E05
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