[src/trunk]: src/sys/arch/riscv/include Avoid -Wconversion warnings

[maya <maya%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/f0bc8777e3b0
branches:  trunk
changeset: 998329:f0bc8777e3b0
user:      maya <maya%NetBSD.org@localhost>
date:      Mon Apr 15 14:03:32 2019 +0000

description:
Avoid -Wconversion warnings

diffstat:

 sys/arch/riscv/include/byte_swap.h |  6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)

diffs (21 lines):

diff -r 33717cf28576 -r f0bc8777e3b0 sys/arch/riscv/include/byte_swap.h
--- a/sys/arch/riscv/include/byte_swap.h        Mon Apr 15 14:02:23 2019 +0000
+++ b/sys/arch/riscv/include/byte_swap.h        Mon Apr 15 14:03:32 2019 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: byte_swap.h,v 1.3 2014/10/28 20:25:36 dennis Exp $ */
+/* $NetBSD: byte_swap.h,v 1.4 2019/04/15 14:03:32 maya Exp $ */
 
 /*-
  * Copyright (c) 2014 The NetBSD Foundation, Inc.
@@ -88,10 +88,8 @@
 static __inline uint16_t
 __byte_swap_u16_variable(uint16_t v)
 {
-       v &= 0xffff;
-       v = (v >> 8) | (v << 8);
 
-       return v;
+       return (uint16_t)((v >> 8) | (v << 8));
 }
 
 __END_DECLS