On Fri, 1 May 2026 07:55:36 GMT, Quan Anh Mai <[email protected]> wrote:
> Hi, > > This PR implements addition and subtraction of 128-bit integers in C2. This > may have numerous applications: > > - It helps intrinsification of operations on 128-bit integers when we have > one. > - It allows computation that may be incorrect at `long` due to overflow, such > as loop predication of long range checks. > > By implementing this separately, we don't need to worry about finalizing a > public API, and we can have a better testing coverage. > > Testing: > > - [x] tier1-4,hs-comp-stress > > Please take a look and leave your review, thanks a lot. > > --------- > - [x] I confirm that I make this contribution in accordance with the [OpenJDK > Interim AI Policy](https://openjdk.org/legal/ai). This pull request has now been integrated. Changeset: fd582dca Author: Quan Anh Mai <[email protected]> URL: https://git.openjdk.org/jdk/commit/fd582dcaa81b998d533537b01fcc114fc8af5ae7 Stats: 439 lines in 13 files changed: 438 ins; 0 del; 1 mod 8383724: C2: Implement AddI128T and SubI128T Reviewed-by: mchevalier, dlong, liach ------------- PR: https://git.openjdk.org/jdk/pull/31008
