The goal of this PR is to implement an x86_64 intrinsic for java.lang.Math.tanh() using libm
Benchmark (ops/ms) | Stock JDK | Tanh intrinsic | Speedup -- | -- | -- | -- MathBench.tanhDouble | 70900 | 95618 | 1.35x ------------- Commit messages: - Fix bug in NaN path - 8338694: x86_64 intrinsic for tanh using libm Changes: https://git.openjdk.org/jdk/pull/20657/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=20657&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8338694 Stats: 565 lines in 25 files changed: 556 ins; 0 del; 9 mod Patch: https://git.openjdk.org/jdk/pull/20657.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/20657/head:pull/20657 PR: https://git.openjdk.org/jdk/pull/20657
