[riscv-port] Integrated: 8279487: riscv: Fix bad AD file when UseRVB is disabled
Feilong Jiang
fjiang at openjdk.java.net
Wed Jan 5 06:39:34 UTC 2022
On Wed, 5 Jan 2022 03:12:16 GMT, Feilong Jiang <fjiang at openjdk.org> wrote:
> After JDK-8279344, test/hotspot/jtreg/compiler/intrinsics/TestRotate.java will report bad AD file error in fastdebug when UseRVB is disabled.
> Some match rules for `RotateRight` and `RotateLeft` are added by [JDK-8279344](https://bugs.openjdk.java.net/browse/JDK-8279344) , which is under predicate of UseRVB. But `match_rule_supported(Op_RotateRight/Op_RotateLeft)` still returns true even when UseRVB is disabled. This will cause the bad AD file error on fastdebug JDK.
> This PR fixes this issue by setting `match_rule_supported(Op_RotateRight)` and `match_rule_supported(Op_RotateLeft)` to false when UseRVB is disabled.
>
> test/hotspot/jtreg/compiler/intrinsics/TestRotate.java passed with/without UseRVB on fastdebug JDK.
This pull request has now been integrated.
Changeset: 65cf0efe
Author: Feilong Jiang <fjiang at openjdk.org>
Committer: Fei Yang <fyang at openjdk.org>
URL: https://git.openjdk.java.net/riscv-port/commit/65cf0efe4317a73fdd6a00af432b48972e77cf17
Stats: 3 lines in 1 file changed: 3 ins; 0 del; 0 mod
8279487: riscv: Fix bad AD file when UseRVB is disabled
Reviewed-by: fyang
-------------
PR: https://git.openjdk.java.net/riscv-port/pull/41
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