Integrated: 8260019: Move some Thread subtypes out of thread.hpp

[Ioi Lam]

On Wed, 3 Feb 2021 22:55:56 GMT, Ioi Lam <iklam at openjdk.org> wrote:

> thread.hpp is 2133 lines long and is included by about 800 out of 1000 HotSpot .o files. It also pulls in many other header files.
> 
> Many of the Thread subtypes are infrequently used. This RFE move the easy ones to compilerThread.hpp and nonJavaThread.hpp. This reduces thread.hpp to 1888 lines.
> 
> (I hope to do more refactoring of thread.hpp in future RFEs).
> 
> Tested with mach5: tier1, builds-tier2, builds-tier3, builds-tier4 and builds-tier5. Also locally: aarch64, arm, ppc64, s390, x86, and zero.

This pull request has now been integrated.

Changeset: c5bb1092
Author:    Ioi Lam <iklam at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/c5bb1092
Stats:     1392 lines in 19 files changed: 762 ins; 620 del; 10 mod

8260019: Move some Thread subtypes out of thread.hpp

Reviewed-by: dholmes, coleenp

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PR: https://git.openjdk.java.net/jdk/pull/2390