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From "Egor Pasko (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-2207) [drlvm][ipf] auto constants folding/propagation and few minor low level optimizations
Date Tue, 21 Nov 2006 06:07:04 GMT
    [ http://issues.apache.org/jira/browse/HARMONY-2207?page=comments#action_12451548 ] 
            
Egor Pasko commented on HARMONY-2207:
-------------------------------------

> The IPF jitrino is not stable and still contains some bugs, so we still need full possible
verifications is on.

there is no big piece of software without bugs :)  Now I see, you implemented the non-stopping
assertions. I should hope, it is useful.

> The IPF jitrino is not stable and still contains some bugs, so we still need full possible
verifications is on.

I see, for multiplication "multiply-and-add" is used, adding zero, i.e. f0

Generally, I like the newest patch (v2) and I would like to see it committed (!!) (the patch
does not affect IA-32 and IPF interpreter) 

> [drlvm][ipf] auto constants folding/propagation and few minor low level optimizations
> -------------------------------------------------------------------------------------
>
>                 Key: HARMONY-2207
>                 URL: http://issues.apache.org/jira/browse/HARMONY-2207
>             Project: Harmony
>          Issue Type: Improvement
>          Components: DRLVM
>         Environment: SUSE 9, ia64
>            Reporter: Igor V Chebykin
>         Assigned To: Alexey Varlamov
>         Attachments: patch.txt, patch.txt
>
>
> IpfCodeLayouter.cpp
>     completers for branches changed
> IpfOpndManager.h
> IpfOpndManager.cpp
>     imm for heapbase and vtablebase added
> IpfCfg.h
>     isGReg() and isFReg() functions added
> IpfEmitter.h
> IpfType.h
>     IPF_ASSERT minor changes
>     isGReg() and isFReg() added
> IpfInstCodeSelector.cpp
>     auto constant folding/propagation added
>     completers for branches changed
>     converting float to int32 optimized
>     register allocation optimized
> IpfEmitter.cpp
>     ignored pseudo-insts removing added before emitting
>     bundling changed
> IpfVerifier.cpp
>     minor change for debugging support
> IpfEncoder.cpp
>     bug fixed
> IpfType.cpp
>     constant folding/propagation support added
> IpfCodeGenerator.cpp
>     minor change
>     isGReg() and isFReg() added

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