8374169: too many unsafe intrinsics (simplify unsafe intrinsic processing)#28940

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rose00 wants to merge 17 commits intoopenjdk:masterfrom

rose00:simplify-intrinsics

Commits on Dec 20, 2025

8374169: too many intrinsics (first cut)
John Rose
committed

Commits on Dec 21, 2025

cleanups in C1 code
John Rose
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Commits on Dec 22, 2025

fix DMH bug with Volatile and also restore Volatile API points
John Rose
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tweaks in Unsafe.java
John Rose
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adjust unit tests for deleted API points; use MO_RELEASE etc.
John Rose
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tweaks in Unsafe.java and unsafe.cpp
John Rose
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Commits on Dec 23, 2025

consolidate processing of atomic intrinsics in C1
John Rose
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Commits on Dec 24, 2025

update MO definitions, correct MO_OPAQUE
John Rose
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get C2 working; now passes test/hotspot/jtreg/compiler/unsafe
John Rose
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Commits on Dec 27, 2025

tweak names, remove intrinsic wrapper category
John Rose
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patch GHA lossage
John Rose
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Commits on Dec 28, 2025

more tweaks to 16-bit logic, perhaps futile
John Rose
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polish backend support logic, especially C2
John Rose
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back out modifications for 16-bit atomics (temporarily?)
John Rose
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a speck of lint on my windows
John Rose
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Commits on Jan 1, 2026

fix build problems
John Rose
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more lint
John Rose
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