This PR Introduces an optimized AArch64 intrinsic for Math.log using reciprocal refinement and a table-driven polynomial. Improves throughput for double logarithms while preserving IEEE-754 corner case behavior (±0, subnormals, negatives, NaN).
------------- Commit messages: - [AArch64] Math.log is 10% slower than StrictMath.log on aarch64 - [AArch64] Math.log is 10% slower than StrictMath.log on aarch64 - [AArch64] Math.log is 10% slower than StrictMath.log on aarch64 - [AArch64] Math.log is 10% slower than StrictMath.log on aarch64 - [AArch64] Math.log is 10% slower than StrictMath.log on macosx-aarch64 - [AArch64] Math.log is 10% slower than StrictMath.log on macosx-aarch64 Changes: https://git.openjdk.org/jdk/pull/28306/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=28306&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8308776 Stats: 544 lines in 7 files changed: 541 ins; 0 del; 3 mod Patch: https://git.openjdk.org/jdk/pull/28306.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/28306/head:pull/28306 PR: https://git.openjdk.org/jdk/pull/28306
