Integrated: Drop x86_32 code from x86_64-specific files

[Aleksey Shipilev]

On Thu, 14 Oct 2021 14:29:00 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> There are instances of x86_32 code in x86_64-specific files. That code would not be ever used and thus would bit rot, as it would never be compiled on x86_32. The porting to x86_32 would make the x86_32-specific versions of the StubGenerator. This simplifies x86_64 StubGenerator a bit.
> 
> Additional testing:
>  - [x] Linux x86_64 fastdebug `jdk_loom hotspot_loom`

This pull request has now been integrated.

Changeset: 70824a1e
Author:    Aleksey Shipilev <shade at openjdk.org>
Committer: Ron Pressler <rpressler at openjdk.org>
URL:       https://git.openjdk.java.net/loom/commit/70824a1ecd4c736de8377e911cf5305192afe021
Stats:     32 lines in 1 file changed: 0 ins; 16 del; 16 mod

Drop x86_32 code from x86_64-specific files

Reviewed-by: rpressler

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PR: https://git.openjdk.java.net/loom/pull/77