RFR: 8285487: Do not generate trampolines for runtime calls if they are not needed

[Evgeny Astigeevich]

On Tue, 26 Apr 2022 16:14:44 GMT, Evgeny Astigeevich <duke at openjdk.java.net> wrote:

> [JDK-8280872](https://bugs.openjdk.java.net/browse/JDK-8280872) put the non-nmethod segment between two others. It made trampolines for runtime calls redundant in most cases.
> 
> This PR uses `target_needs_far_branch()` for runtime calls to check whether they need trampolines. Trampolines are not generated if they are not needed.
> 
> Testing:
> - `tier1`...`tier4`: Passed
> - `compiler/c2/aarch64/TestTrampoline.java`: Passed
> 
> Note: `compiler/c2/aarch64/TestTrampoline.java` requires the release build. This is because debug builds have the branch range set to 2M which causes always generation of trampolines.

@simonis, @bulasevich
Could you please review?

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PR: https://git.openjdk.java.net/jdk/pull/8403