On Sun, 26 Jul 2026 20:28:13 GMT, Shawn Emery <[email protected]> wrote:
> This enhancement provides AArch64 GPR intrinsics for doubleKeccak(). > Previously, only SIMD (Neon) intrinsics were implemented for doubleKeccak() > on AArch64 systems. Performance gains for ML-KEM and ML-DSA benchmarks > improve from 2 to 9% with the GPR intrinsics: > > ML-KEM decapsulation: +2-6% ops/sec > ML-KEM encapsulation: +3-8% ops/sec > ML-KEM key generation: +4-6% ops/sec > > ML-DSA signing: +2-4% ops/sec > ML-DSA verification: +6-9% ops/sec > ML-DSA key generation: +6-8% ops/sec > > --------- > - [X] I confirm that I make this contribution in accordance with the [OpenJDK > Interim AI Policy](https://openjdk.org/legal/ai). src/hotspot/cpu/aarch64/stubGenerator_aarch64.cpp line 5150: > 5148: __ ldp(a22, a23, Address(state0, 176)); > 5149: __ ldr(a24, Address(state0, 192)); > 5150: This seems to be cut-and-pasted from elsewhere. Please refactor it into a subroutine, and use that everywhere. ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/32049#discussion_r3802708340
