JDK-8285390 : PPC64: Handle integral division overflow during parsing
Type:Enhancement
Component:hotspot
Sub-Component:compiler
Affected Version:19
Priority:P4
Status:Closed
Resolution:Fixed
CPU:ppc
Submitted:2022-04-21
Updated:2022-05-19
Resolved:2022-04-29
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Currently, integral division overflow is handled during code emission, move this handling to parsing helps eliminate or hoist out the check and achieve better code layout.
Comments
Although JDK-8286182 does not happen on PPC64, the IR graph with the division floating above its validity check is considered broken, so I think it would be more appropriate to back out the whole changes.