qemu/host-utils: Use __builtin_bitreverseN
authorRichard Henderson <richard.henderson@linaro.org>
Fri, 6 Nov 2020 18:59:36 +0000 (10:59 -0800)
committerRichard Henderson <richard.henderson@linaro.org>
Sun, 16 May 2021 12:10:48 +0000 (07:10 -0500)
commit5140d6be5e71cd5d75697d47ba510d117773e970
treee72b5968a55079e19658490b9d82e1381a8f00c9
parent6d34aa9969ff85ca6eaeb4dc1988a4d4e13e7d79
qemu/host-utils: Use __builtin_bitreverseN

Clang has added some builtins for these operations;
use them if available.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
include/qemu/host-utils.h