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Type: Enhancement
Resolution: Fixed
Priority: P4
Fix Version/s: 24
Affects Version/s: 24
Component/s: hotspot
Labels:
- c2

Subcomponent:
compiler
Resolved In Build:
b23

A pointer parser that can recognize more patterns, and not just supports arrays but also MemorySegments with native memory backing.

We should also allow larger stores into arrays with smaller elements: ~~JDK-8335113~~
(e.g. putChar into byte-array, important for strings)

duplicates

JDK-8335113 C2 MergeStores: allow merging of putChar and other larger stores on smaller array elements

Closed

relates to

JDK-8343536 C2 SuperWord / MergeStores: investigate missing optimizations in MemorySegment examples

Open

JDK-8343685 C2 SuperWord: refactor VPointer with MemPointer

Resolved

JDK-8335390 C2 MergeStores: wrong result with Unsafe

Resolved

JDK-8318446 C2: optimize stores into primitive arrays by combining values into larger store

Resolved

JDK-8345050 Fix -Wzero-as-null-pointer warning in MemPointer ctor

Resolved

links to

Commit(master) openjdk/jdk/f3671bee

Review(master) openjdk/jdk/19970

(1 relates to, 2 links to)

Assignee:: Emanuel Peter
Reporter:: Emanuel Peter
Votes:: 1 Vote for this issue
Watchers:: 4 Start watching this issue

Created:: 2024-07-01 01:29
Updated:: 2024-11-26 06:07
Resolved:: 2024-11-05 03:48

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