[OpenJDK 2D-Dev]  Review Request: 8140266 Performance loss between jdk8 and jdk9 on Maskfill
erik.joelsson at oracle.com
Sat Dec 24 11:21:42 UTC 2016
Build change looks ok, but I too think a comment explaining why is a
On 2016-12-23 15:49, Philip Race wrote:
> Looks OK to me although it is a very cryptic option so maybe include a
> that it is for performance with some versions of gcc ...
> On 12/23/16, 3:15 AM, Sergey Bylokhov wrote:
>> Please review the small fix for jdk9.
>> The change add an additional gcc option to the libawt lib to improve
>> some graphics operations: 20%.
>> This option is a part of -03.
>>> When -fgcse-after-reload is enabled, a redundant load elimination
>>> pass is performed after reload. The purpose of this pass is to
>>> clean up redundant spilling.
>> Note that if -03 will be enabled directly via OPTIMIZATION flag then
>> the performance will not be improved.
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8140266
>> Webrev can be found at:
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