[PATCH v6 15/18] include/exec/memory: extract devend_big_endian from devend_memop

[Pierrick Bouvier <pierrick.bouvier@xxxxxxxxxx>]

we'll use it in system/memory.c.

Reviewed-by: Richard Henderson <richard.henderson@xxxxxxxxxx>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@xxxxxxxxxx>
---
 include/exec/memory.h | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/include/exec/memory.h b/include/exec/memory.h
index 069021ac3ff..70177304a92 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -3138,16 +3138,22 @@ address_space_write_cached(MemoryRegionCache *cache, 
hwaddr addr,
 MemTxResult address_space_set(AddressSpace *as, hwaddr addr,
                               uint8_t c, hwaddr len, MemTxAttrs attrs);
 
-/* enum device_endian to MemOp.  */
-static inline MemOp devend_memop(enum device_endian end)
+/* returns true if end is big endian. */
+static inline bool devend_big_endian(enum device_endian end)
 {
     QEMU_BUILD_BUG_ON(DEVICE_HOST_ENDIAN != DEVICE_LITTLE_ENDIAN &&
                       DEVICE_HOST_ENDIAN != DEVICE_BIG_ENDIAN);
 
-    bool big_endian = (end == DEVICE_NATIVE_ENDIAN
-                       ? target_words_bigendian()
-                       : end == DEVICE_BIG_ENDIAN);
-    return big_endian ? MO_BE : MO_LE;
+    if (end == DEVICE_NATIVE_ENDIAN) {
+        return target_words_bigendian();
+    }
+    return end == DEVICE_BIG_ENDIAN;
+}
+
+/* enum device_endian to MemOp.  */
+static inline MemOp devend_memop(enum device_endian end)
+{
+    return devend_big_endian(end) ? MO_BE : MO_LE;
 }
 
 /*
-- 
2.39.5