Integrated: 8307758: RISC-V: Improve bit test code introduced by JDK-8291555

[Feilong Jiang]

On Tue, 9 May 2023 08:14:30 GMT, Feilong Jiang <fjiang at openjdk.org> wrote:

> [JDK-8291555](https://bugs.openjdk.org/browse/JDK-8291555) introduced some single-bit tests that use `andi`, we can replace it with `test_bit` to avoid using the temp register when UseZbs is enabled.
> 
> Testing:
> - [x] tier1-tier3 on Unmatched board (release build)

This pull request has now been integrated.

Changeset: 39f4e4d3
Author:    Feilong Jiang <fjiang at openjdk.org>
Committer: Fei Yang <fyang at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/39f4e4d3c3450ed8fe314e2abde6a6cecd5fa0a5
Stats:     4 lines in 4 files changed: 0 ins; 0 del; 4 mod

8307758: RISC-V: Improve bit test code introduced by JDK-8291555

Co-authored-by: Fei Yang <fyang at openjdk.org>
Reviewed-by: fyang

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PR: https://git.openjdk.org/jdk/pull/13882