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Type: Bug
Resolution: Fixed
Priority: P4
Fix Version/s: 16
Affects Version/s: 11, 16
Component/s: hotspot
Labels:

Subcomponent:
compiler
Resolved In Build:
b20

Issue	Fix Version	Assignee	Priority	Status	Resolution	Resolved In Build
JDK-8263241	11.0.12-oracle	Dukebot	P4	Resolved	Fixed	b01
JDK-8263171	11.0.12	Roland Westrelin	P4	Resolved	Fixed	b01

I noticed that c2 wouldn't always run loop opts when the compilation include loops. Compile::has_loops() is what controls whether loop opts are executed. It's initially false and then set to true as parsing finds new loops. Parsing doesn't seem to always update the flag when it should.

backported by

JDK-8263171 C2 doesn't always run loop opts for compilations that include loops

Resolved

JDK-8263241 C2 doesn't always run loop opts for compilations that include loops

Resolved

duplicates

JDK-8262067 SuperWord loop optimization lost after method inlining

Closed

relates to

JDK-8319308 C2 compilation asserts with "parsing found no loops but there are some"

In Progress

JDK-8257574 C2: "failed: parsing found no loops but there are some" assert failure

Resolved

JDK-8294217 Assertion failure: parsing found no loops but there are some

Resolved

links to

Commit openjdk/jdk/a6c23b77

Review openjdk/jdk/478

(1 relates to, 2 links to)

Assignee:: Roland Westrelin

Reporter:: Roland Westrelin

Votes:: 0 Vote for this issue

Watchers:: 4 Start watching this issue

Created:: 2020-10-02 00:31

Updated:: 2024-12-06 11:12

Resolved:: 2020-10-12 03:55

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