Integrated: 8264957: Cleanup unused array Type::dual_type
xgong at openjdk.java.net
Tue Apr 13 10:01:59 UTC 2021
On Fri, 9 Apr 2021 10:04:10 GMT, Xiaohong Gong <xgong at openjdk.org> wrote:
> This is a bug fix for  which adds a new vector mask type. The new added TYPE `"VectorMask"` is inserted into `enum TYPES`, while the array `"Type::dual_type"` is not updated. This makes the array elements are not aligned with TYPES.
> I met the following crash due to this issue when I was working on the masking feature support on panama-vector:
> Internal Error (/home/xiagon01/code/panama-vector/src/hotspot/share/opto/type.hpp:1727), pid=104432, tid=104449
> # assert(_base >= AnyPtr && _base <= KlassPtr) failed: Not a pointer
> Adding a value like other vector types for the `"VectorMask"` in the array `"dual_type"` can fix it.
>  https://bugs.openjdk.java.net/browse/JDK-8262355
> Tested with tier1 and jdk:tier3
This pull request has now been integrated.
Author: Xiaohong Gong <xgong at openjdk.org>
Committer: Ningsheng Jian <njian at openjdk.org>
Stats: 43 lines in 2 files changed: 0 ins; 43 del; 0 mod
8264957: Cleanup unused array Type::dual_type
Reviewed-by: jiefu, neliasso, thartmann
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