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Type: Enhancement
Resolution: Fixed
Priority: P4
Fix Version/s: 15
Affects Version/s: 15
Component/s: hotspot
Labels:
- c2

Subcomponent:
compiler
Resolved In Build:
b11

This should allow subtype checks that can't be compiled as a simple pointer comparison at parse time to:

- better constant fold
- be candidate for predication and split if
- have a chance of being compiled as a simple pointer comparison if type information improves

duplicates

JDK-8222075 C2: Enable loop predication for subtype checks

Closed

relates to

JDK-8239072 subtype check macro node causes node budget to be exhausted

Resolved

JDK-8299155 C2: SubTypeCheckNode::verify() should not produce dependencies / oop pool entries

Resolved

JDK-8239335 C2: assert((Value(phase) == t) || (t != TypeInt::CC_GT && t != TypeInt::CC_EQ)) failed: missing Value() optimization

Closed

JDK-8239367 RunThese30M.java failed due to "assert(false) failed: graph should be schedulable"

Closed

JDK-8239565 sa/ClhsdbJhisto.java failed due to "assert(false) failed: unscheduable graph"

Closed

JDK-8253566 clazz.isAssignableFrom will return false for interface implementors

Closed

JDK-8316533 C2 compilation fails with assert(verify(phase)) failed: missing Value() optimization

Closed

(3 relates to)

Assignee:: Roland Westrelin

Reporter:: Roland Westrelin

Votes:: 0 Vote for this issue

Watchers:: 2 Start watching this issue

Created:: 2020-02-07 07:11

Updated:: 2023-09-19 22:51

Resolved:: 2020-02-17 01:36

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