On Thu, 8 Jul 2021 01:05:16 GMT, Brian Burkhalter <[email protected]> wrote:
>> Please consider this change to make the `float` and `double` versions of >> `java.lang.Math.abs()` branch-free. > > Brian Burkhalter has updated the pull request incrementally with one > additional commit since the last revision: > > 6506405: Add comments, use new consts for masking Moves between GPRs and FPRs are often slow. There's a 10-cycle latency on some AArch64, so we avoid it whenever we can. Mind you, we don't care about this patch because we always generate FABS from an intrinsic anyway. ------------- PR: https://git.openjdk.java.net/jdk/pull/4711
