RFR: 8280089: compiler/c2/irTests/TestIRAbs.java fails on some arches

[Jie Fu]

On Mon, 17 Jan 2022 18:43:00 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> This new test is apparently fails in GHA. 
> 
> The trouble is that AbsL parts of the test are arch-specific, as only {x86_64,aarch64,ppc64,s390}.ad have the match rules for AbsL. x86_32.ad does not have it, so C2 never actually emits AbsL in x86_32 case. AbsI, AbsF, AbsD are also not supported by arm.ad.
> 
> I wonder if IR Test Framework might be able to disable subtests based on arch... It is probably all around easier to make this test x86_64 specific. It tests shared C2 code, so testing one architecture is probably enough. 
> 
> Open for other suggestions, though.
> 
> Additional testing:
>  - [x] Linux x86_64 fastdebug, test still passes
>  - [x] Linux x86_32 fastdebug, test used to fail, now is skipped

Looks reasonable to me.
Thanks.

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Marked as reviewed by jiefu (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/7116