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Posted to commits@harmony.apache.org by "Alexey Varlamov (JIRA)" <ji...@apache.org> on 2007/06/07 15:01:36 UTC
[jira] Assigned: (HARMONY-4073) [drlvm][jit] RCE must not
substitute EFLAGS values produced by CMP with ones produced by SBB
[ https://issues.apache.org/jira/browse/HARMONY-4073?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alexey Varlamov reassigned HARMONY-4073:
----------------------------------------
Assignee: Alexey Varlamov
> [drlvm][jit] RCE must not substitute EFLAGS values produced by CMP with ones produced by SBB
> --------------------------------------------------------------------------------------------
>
> Key: HARMONY-4073
> URL: https://issues.apache.org/jira/browse/HARMONY-4073
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Reporter: Mikhail Fursov
> Assignee: Alexey Varlamov
> Attachments: i8.fix
>
>
> I found that LongTest from luni module fails when run with OPT.
> The minimized testcase is:
> System.out.println(foo(Long.MIN_VALUE));
> static boolean foo(long v) {
> v = -v;
> return v < 0;
> }
> RI prints 'true' but DRLVM in -Xem:opt mode prints 'false' here.
> The reason of failure is illegal RCE behaviour: it must not substitute EFLAGS values produced by CMP with ones produced by SBB
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