David Marchand <david.march...@redhat.com> writes: > On Fri, Dec 20, 2019 at 3:02 PM David Marchand > <david.march...@redhat.com> wrote: >> >> We recently started to get random failures on the common_autotest ut with >> clang on Ubuntu 16.04.6. >> >> Example: https://travis-ci.com/DPDK/dpdk/jobs/263177424 >> >> Wrong rte_log2_u64(0) val 0, expected ffffffff >> Test Failed >> >> The ut passes 0 to log2() to get an expected value. >> >> Quoting log2 / log(3) manual: >> If x is zero, then a pole error occurs, and the functions return >> -HUGE_VAL, -HUGE_VALF, or -HUGE_VALL, respectively. >> >> rte_log2_uXX helpers handle 0 as a special value and return 0. >> Let's have dedicated tests for this case. >> >> Fixes: 05c4345ef5c2 ("test: add unit test for integer log2 function") >> Cc: sta...@dpdk.org >> >> Signed-off-by: David Marchand <david.march...@redhat.com> >> Acked-by: Aaron Conole <acon...@redhat.com> > > Applied with mentioned fix.
Thanks!
