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Posted to commits@harmony.apache.org by "George Timoshenko (JIRA)" <ji...@apache.org> on 2006/12/12 12:28:25 UTC
[jira] Created: (HARMONY-2633) [drlvm][jit][opt]
simplifyTauDivOfMul does nothing in Simplifier
[drlvm][jit][opt] simplifyTauDivOfMul does nothing in Simplifier
----------------------------------------------------------------
Key: HARMONY-2633
URL: http://issues.apache.org/jira/browse/HARMONY-2633
Project: Harmony
Issue Type: Improvement
Reporter: George Timoshenko
Priority: Minor
Opnd*
Simplifier::simplifyTauDivOfMul(Modifier mod,
Type* type,
Opnd* src1,
Opnd* src2,
Opnd* tauCheckedOpnds) {
//
// if (c1%c2==0), then
// (c1 * s1) / c2 -> (c1/c2) * s1
//
return NULL;
}
IMO the idea from comment should be implemented. (c1 and c2 must be integers, and c1*s1 must not produce an overflow)
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[jira] Updated: (HARMONY-2633) [drlvm][jit][opt]
simplifyTauDivOfMul does nothing in Simplifier
Posted by "George Timoshenko (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-2633?page=all ]
George Timoshenko updated HARMONY-2633:
---------------------------------------
Component/s: DRLVM
> [drlvm][jit][opt] simplifyTauDivOfMul does nothing in Simplifier
> ----------------------------------------------------------------
>
> Key: HARMONY-2633
> URL: http://issues.apache.org/jira/browse/HARMONY-2633
> Project: Harmony
> Issue Type: Improvement
> Components: DRLVM
> Reporter: George Timoshenko
> Priority: Minor
>
> Opnd*
> Simplifier::simplifyTauDivOfMul(Modifier mod,
> Type* type,
> Opnd* src1,
> Opnd* src2,
> Opnd* tauCheckedOpnds) {
> //
> // if (c1%c2==0), then
> // (c1 * s1) / c2 -> (c1/c2) * s1
> //
> return NULL;
> }
> IMO the idea from comment should be implemented. (c1 and c2 must be integers, and c1*s1 must not produce an overflow)
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