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Posted to commits@harmony.apache.org by "Mikhail Fursov (JIRA)" <ji...@apache.org> on 2006/11/02 14:12:19 UTC
[jira] Commented: (HARMONY-2056) [drlvm][jit] Jitrino.OPT's
bpp.version=1 does not insert a polling code to every backedge
[ http://issues.apache.org/jira/browse/HARMONY-2056?page=comments#action_12446597 ]
Mikhail Fursov commented on HARMONY-2056:
-----------------------------------------
Options to run and get the log:
java.exe -Djit.CS_OPT.f.filter=BBPBug::foo -Xem:opt -Djit.f.arg.codegen.bbp.version=1 -Djit.f.arg.log=ct,irdump,dotdump BBPBug
> [drlvm][jit] Jitrino.OPT's bpp.version=1 does not insert a polling code to every backedge
> -----------------------------------------------------------------------------------------
>
> Key: HARMONY-2056
> URL: http://issues.apache.org/jira/browse/HARMONY-2056
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Reporter: Mikhail Fursov
> Priority: Minor
>
> This bug is not critical, because it's about bbp.version=1 mode and default mode is bbp.version=6.
> I found this problem while debugging more critical BBP bug and tried version=1 for my temporary needs.
> In BBP documentation (in sources) I found:
> // version of BBPolling:
> // 0 - must be discarded in runImpl()
> // 1 - insert bbpCFG at all backedges
>
> So I expecting to have BBP code generated for this test:
> public class BBPBug {
> public static void main(String[] args) {
> new BBPBug().foo();
> }
> void foo() {
> int i=0;
> while (i<100) {
> synchronized (this) {
> i++;
> }
> }
> }
> }
> The BBP code is not generated.
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