Integrated: JDK-8210858: AArch64: remove Math.log intrinsic
Tobias Holenstein
tholenstein at openjdk.org
Mon Jan 29 08:39:45 UTC 2024
On Thu, 18 Jan 2024 08:58:20 GMT, Tobias Holenstein <tholenstein at openjdk.org> wrote:
> [JDK-8215133](https://bugs.openjdk.org/browse/JDK-8215133) disabled vmIntrinsics::_dlog. Remove it now
>
> ### Why remove
>
> That Java specification says:
>
> "The computed result must be within 1 ulp of the exact result. Results must be semi-monotonic... whenever the mathematical function is non-decreasing, so is the floating-point approximation, likewise, whenever the mathematical function is non-increasing, so is the floating-point approximation"
>
> There is no proof of the monotonicity of this intrinsics at the moment.
This pull request has now been integrated.
Changeset: 422020c4
Author: Tobias Holenstein <tholenstein at openjdk.org>
URL: https://git.openjdk.org/jdk/commit/422020c4d691f3ad4c7af4fc2c60e7ada66734e0
Stats: 400 lines in 4 files changed: 0 ins; 395 del; 5 mod
8210858: AArch64: remove Math.log intrinsic
Reviewed-by: ngasson, shade
-------------
PR: https://git.openjdk.org/jdk/pull/17480
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