[src/trunk]: src/sys/dev/pci Fix i386 build failure with options WM_EVENT_COU...

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

details:   https://anonhg.NetBSD.org/src/rev/61939a9d5d0e
branches:  trunk
changeset: 1021150:61939a9d5d0e
user:      knakahara <knakahara%NetBSD.org@localhost>
date:      Wed May 12 10:16:12 2021 +0000

description:
Fix i386 build failure with options WM_EVENT_COUNTERS.

pointed out by msaitoh@n.o.

diffstat:

 sys/dev/pci/if_wm.c |  12 ++++++++++--
 1 files changed, 10 insertions(+), 2 deletions(-)

diffs (46 lines):

diff -r 6a53419b9ea8 -r 61939a9d5d0e sys/dev/pci/if_wm.c
--- a/sys/dev/pci/if_wm.c       Wed May 12 08:45:28 2021 +0000
+++ b/sys/dev/pci/if_wm.c       Wed May 12 10:16:12 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_wm.c,v 1.703 2021/05/03 07:43:31 rillig Exp $       */
+/*     $NetBSD: if_wm.c,v 1.704 2021/05/12 10:16:12 knakahara Exp $    */
 
 /*
  * Copyright (c) 2001, 2002, 2003, 2004 Wasabi Systems, Inc.
@@ -82,7 +82,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_wm.c,v 1.703 2021/05/03 07:43:31 rillig Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_wm.c,v 1.704 2021/05/12 10:16:12 knakahara Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_net_mpsafe.h"
@@ -107,6 +107,7 @@
 #include <sys/pcq.h>
 #include <sys/sysctl.h>
 #include <sys/workqueue.h>
+#include <sys/atomic.h>
 
 #include <sys/rndsource.h>
 
@@ -667,12 +668,19 @@
 } while (/*CONSTCOND*/0)
 
 #ifdef WM_EVENT_COUNTERS
+#ifdef __HAVE_ATOMIC64_LOADSTORE
 #define        WM_EVCNT_INCR(ev)                                               \
        atomic_store_relaxed(&((ev)->ev_count),                         \
            atomic_load_relaxed(&(ev)->ev_count) + 1)
 #define        WM_EVCNT_ADD(ev, val)                                           \
        atomic_store_relaxed(&((ev)->ev_count),                         \
            atomic_load_relaxed(&(ev)->ev_count) + (val))
+#else
+#define        WM_EVCNT_INCR(ev)                                               \
+       ((ev)->ev_count)++
+#define        WM_EVCNT_ADD(ev, val)                                           \
+       (ev)->ev_count += (val)
+#endif
 
 #define WM_Q_EVCNT_INCR(qname, evname)                 \
        WM_EVCNT_INCR(&(qname)->qname##_ev_##evname)