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Enhancement
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Resolution: Fixed
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P4
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17
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b24
Using unrolling and cloning information to vectorize is interesting idea but as I see it is not complete. Even if pack_parallel() method is able create packs, they are all removed by filter_packs() method. And additionally the cases listed in RFR are vectorized without hoisting loads and pack_parallel - I verified it:
https://mail.openjdk.java.net/pipermail/hotspot-compiler-dev/2015-April/017645.html
This code should be revisited to be useful or removed.
- relates to
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JDK-8251994 VM crashed running TestComplexAddrExpr.java test with -XX:UseAVX=X
- Closed
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JDK-8303113 [SuperWord] investigate if enabling _do_vector_loop by default creates speedup
- In Progress