[src/trunk]: src/sys/arch/arm/include Avoid gcc warnings

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

details:   https://anonhg.NetBSD.org/src/rev/8f9a051a67c0
branches:  trunk
changeset: 350613:8f9a051a67c0
user:      martin <martin%NetBSD.org@localhost>
date:      Sat Jan 14 17:14:23 2017 +0000

description:
Avoid gcc warnings

diffstat:

 sys/arch/arm/include/byte_swap.h |  8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diffs (34 lines):

diff -r 674c5817b4f2 -r 8f9a051a67c0 sys/arch/arm/include/byte_swap.h
--- a/sys/arch/arm/include/byte_swap.h  Sat Jan 14 16:34:44 2017 +0000
+++ b/sys/arch/arm/include/byte_swap.h  Sat Jan 14 17:14:23 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: byte_swap.h,v 1.14 2017/01/13 19:30:38 christos Exp $  */
+/*     $NetBSD: byte_swap.h,v 1.15 2017/01/14 17:14:23 martin Exp $    */
 
 /*-
  * Copyright (c) 1997, 1999, 2002 The NetBSD Foundation, Inc.
@@ -93,7 +93,7 @@
        if (!__builtin_constant_p(v)) {
                uint32_t v32 = v;
                __asm("rev16\t%0, %1" : "=r" (v32) : "0" (v32));
-               return v32;
+               return (uint16_t)v32;
        }
 #elif !defined(__thumb__) && 0 /* gcc produces decent code for this */
        if (!__builtin_constant_p(v)) {
@@ -104,13 +104,13 @@
                        "bic    %0, %0, %0, lsl #16"
                : "=&r" (v0)
                : "0" (v0));
-               return v0;
+               return (uint16_t)v0;
        }
 #endif
        v &= 0xffff;
        v = (uint16_t)((v >> 8) | (v << 8));
 
-       return v;
+       return (uint16_t)v;
 }
 
 __END_DECLS