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Type: Enhancement
Resolution: Unresolved
Priority: P4
Fix Version/s: tbd
Affects Version/s: 21
Component/s: hotspot
Labels:
- c2
- c2-superword

Subcomponent:
compiler

As discussed in the recent reduction speedup work:
https://github.com/openjdk/jdk/pull/13056 ~~JDK-8302652~~

duplicates

JDK-8323609 C2: Odd vectorization breakage with DBB.getLong loop

Closed

relates to

JDK-8188313 C2: Consider enabling auto-vectorization for simple reductions (disabled by JDK-8078563)

Open

JDK-8340093 C2 SuperWord: implement cost model

Open

JDK-8336000 C2 SuperWord: report that 2-element reductions do not vectorize

Open

JDK-8302652 [SuperWord] Reduction should happen after loop, when possible

Resolved

JDK-8318703 C2 SuperWord: take reduction nodes into account in early unrolling analysis

Closed

(1 relates to)

Assignee:: Emanuel Peter

Reporter:: Emanuel Peter

Votes:: 0 Vote for this issue

Watchers:: 5 Start watching this issue

Created:: 2023-05-05 00:28

Updated:: 2025-01-07 01:38