JDK-8052081 : Optimize code generated by C2 for Intel's Atom processor
Type:Enhancement
Component:hotspot
Sub-Component:compiler
Affected Version:9
Priority:P3
Status:Resolved
Resolution:Fixed
OS:generic
CPU:x86
Submitted:2014-07-25
Updated:2023-09-21
Resolved:2014-08-05
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Unresolved : Release in which this issue/RFE will be addressed. Resolved: Release in which this issue/RFE has been resolved. Fixed : Release in which this issue/RFE has been fixed. The release containing this fix may be available for download as an Early Access Release or a General Availability Release.
Atom processor does not have AVX unit but it has SSE so we still can do vectorization.
CRC32 assembler code can be modified to use only SSE instructions to execute it on Atom processors too.
Comments
URL: http://hg.openjdk.java.net/jdk9/jdk9/hotspot/rev/76913ad3cd41
User: lana
Date: 2014-08-28 21:56:57 +0000