On Thu, 3 Sep 2026 07:02:32 GMT, Quan Anh Mai <[email protected]> wrote:
>> On second thought, if the values are sufficiently large, and not just >> 128-bit versions of 32- and 64-bit numbers, then I guess overflow could be >> unpredictable. But maybe we shouldn't assume that but instead let profiling >> decide. > > That's true, but this is only the fall back implementation, so correctness > and ease of implementation are more important. We will implement back-end > support for these nodes later. In my experiments, CMove is not often as good as than a diamond from If + a Phi, and rarely better. Even if cases where it looks like it should be good! But it's not huge... so I agree to favor easiness, at least for now. ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/31008#discussion_r3924808806
