[PATCH 08/16] hw/virtio: Replace HOST_BIG_ENDIAN #ifdef with runtime if() check

["Philippe Mathieu-Daudé" <philmd@linaro.org>]

Replace compile-time #ifdef with a runtime check to ensure all code
paths are built and tested. This reduces build-time configuration
complexity and improves maintainability.

No functional change intended.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 include/hw/virtio/virtio-access.h | 6 +-----
 hw/virtio/vhost.c                 | 7 +++----
 2 files changed, 4 insertions(+), 9 deletions(-)

diff --git a/include/hw/virtio/virtio-access.h b/include/hw/virtio/virtio-access.h
index 07aae69042a..80328912ad3 100644
--- a/include/hw/virtio/virtio-access.h
+++ b/include/hw/virtio/virtio-access.h
@@ -149,11 +149,7 @@ static inline uint64_t virtio_ldq_p(VirtIODevice *vdev, const void *ptr)
 
 static inline uint16_t virtio_tswap16(VirtIODevice *vdev, uint16_t s)
 {
-#if HOST_BIG_ENDIAN
-    return virtio_access_is_big_endian(vdev) ? s : bswap16(s);
-#else
-    return virtio_access_is_big_endian(vdev) ? bswap16(s) : s;
-#endif
+    return HOST_BIG_ENDIAN ^ virtio_access_is_big_endian(vdev) ? s : bswap16(s);
 }
 
 static inline uint16_t virtio_lduw_phys_cached(VirtIODevice *vdev,
diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
index 266a11514a1..6343477b42f 100644
--- a/hw/virtio/vhost.c
+++ b/hw/virtio/vhost.c
@@ -1168,11 +1168,10 @@ static inline bool vhost_needs_vring_endian(VirtIODevice *vdev)
     if (virtio_vdev_has_feature(vdev, VIRTIO_F_VERSION_1)) {
         return false;
     }
-#if HOST_BIG_ENDIAN
-    return vdev->device_endian == VIRTIO_DEVICE_ENDIAN_LITTLE;
-#else
+    if (HOST_BIG_ENDIAN) {
+        return vdev->device_endian == VIRTIO_DEVICE_ENDIAN_LITTLE;
+    }
     return vdev->device_endian == VIRTIO_DEVICE_ENDIAN_BIG;
-#endif
 }
 
 static int vhost_virtqueue_set_vring_endian_legacy(struct vhost_dev *dev,
-- 
2.51.0