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Type: Sub-task
Resolution: Fixed
Priority: P4
Fix Version/s: 25
Affects Version/s: 25
Component/s: hotspot
Labels:

Subcomponent:
compiler
Resolved In Build:
b19
CPU:

x86_64
OS:

generic

Support vectorization of Float16 scalar operations (add/subtract/divide/multiply/sqrt/fma) encompassing the following tasks.
   1. C2 compiler New Vector IR creation.
   2. Auto-vectorization support.
   3. x86 backend implimentation.
   4. Add IR verification tests for each newly supported vector operation.

relates to

JDK-8356537 TestFloat16VectorOperations wastes CPU time

Closed

JDK-8345298 RISC-V: Add riscv backend for Float16 operations - scalar

Resolved

JDK-8350960 RISC-V: Add riscv backend for Float16 operations - vectorization

Resolved

JDK-8366845 C2 SuperWord: wrong VectorCast after VectorReinterpret with swapped src/dst type

Resolved

JDK-8365967 C2 compiler support for HalffloatVector operations supported by auto-vectorization flow

Open

links to

Commit(master) openjdk/jdk/9a3f9997

Review(master) openjdk/jdk/22755

(2 links to)

Assignee:: Jatin Bhateja

Reporter:: Jatin Bhateja

Votes:: 0 Vote for this issue

Watchers:: 4 Start watching this issue

Created:: 2024-12-15 09:36

Updated:: 2025-09-04 04:49

Resolved:: 2025-04-10 02:47

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