RFR: 8257563: Remove excessive include of klass.inline.hpp
Stefan Karlsson
stefank at openjdk.java.net
Wed Dec 2 12:24:57 UTC 2020
On Wed, 2 Dec 2020 04:44:27 GMT, Ioi Lam <iklam at openjdk.org> wrote:
> klass.inline.hpp is unnecessarily included by two popular header files: oop.inline.hpp and modRefBarrierSet.inline.hpp
>
> These two `#include` lines recursively pull in many header files. Removing them reduce the total number of header inclusion for building HotSpot from 260096 to 254773, or about 2%.
>
> Notes to reviewer. The main changes are in the header files:
>
> * src/hotspot/share/classfile/systemDictionaryShared.hpp
> * src/hotspot/share/gc/shared/modRefBarrierSet.inline.hpp
> * src/hotspot/share/oops/instanceKlass.hpp
> * src/hotspot/share/oops/instanceKlass.inline.hpp
> * src/hotspot/share/oops/oop.inline.hpp
Nice! One comment:
src/hotspot/cpu/s390/s390.ad line 1329:
> 1327:
> 1328: #include "oops/klass.inline.hpp"
> 1329:
I wonder if this should be put in adlc/main.cpp. I'm not sure, but I don't think we usually put includes in the .ad files.
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Marked as reviewed by stefank (Reviewer).
PR: https://git.openjdk.java.net/jdk/pull/1552
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