RFR: 8256655: rework long counted loop handling [v2]

[Roland Westrelin]

On Fri, 20 Nov 2020 08:13:55 GMT, Tobias Hartmann <thartmann at openjdk.org> wrote:

> This fails to build on Windows:
> ` [2020-11-20T08:11:03,704Z] ./open/src/hotspot/share/opto/loopnode.cpp(821): error C2065: 'ulong': undeclared identifier [2020-11-20T08:11:03,704Z] ./open/src/hotspot/share/opto/loopnode.cpp(821): error C2146: syntax error: missing ')' before identifier 'iters_limit' [2020-11-20T08:11:03,704Z] ./open/src/hotspot/share/opto/loopnode.cpp(821): error C2146: syntax error: missing ';' before identifier 'iters_limit' [2020-11-20T08:11:03,704Z] ./open/src/hotspot/share/opto/loopnode.cpp(821): error C2065: 'ulong': undeclared identifier [2020-11-20T08:11:03,704Z] ./open/src/hotspot/share/opto/loopnode.cpp(821): error C2059: syntax error: ')'`

Build issues should be fixed now.

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PR: https://git.openjdk.java.net/jdk/pull/1316