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Type: Enhancement
Resolution: Fixed
Priority: P3
Fix Version/s: 20
Affects Version/s: 20
Component/s: hotspot
Labels:
None

Subcomponent:
compiler
Resolved In Build:
b13

Improve MacroAssembler API to make scratch register usage explicit.

Different parts of JVM have different assumptions about scratch register and implicit assumptions in MacroAssembler makes it harder to reason about the code.

causes

JDK-8296969 C1: PrintC1Statistics is broken after JDK-8292878

Resolved

duplicates

JDK-8284290 x86: Remove incorrectly defined scratch registers

Closed

relates to

JDK-8299733 AArch64: "unexpected literal addressing mode" assertion failure with -XX:+PrintC1Statistics

Resolved

JDK-8298053 C1: assert(_mode != literal) failed: unexpected literal addressing mode with -XX:+PrintC1Statistics and -Xcomp

Closed

links to

Commit openjdk/jdk/6e248279

Review openjdk/jdk/10003

(1 links to)

Assignee:: Vladimir Ivanov
Reporter:: Vladimir Ivanov
Votes:: 0 Vote for this issue
Watchers:: 4 Start watching this issue

Created:: 2022-08-24 11:23
Updated:: 2025-04-11 03:44
Resolved:: 2022-08-30 11:47

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