Fix the coding style

Change-Id: I02e8a52935376b4ecc700cd17edaeb871b2bd487

Author: guyuqi

cpp/src/arrow/util/CMakeLists.txt

@@ -21,7 +21,6 @@
 
 # Headers: top level
 install(FILES
-  armce-util.h
   bit-stream-utils.h
   bit-util.h
   bpacking.h
@@ -45,6 +44,7 @@ install(FILES
   logging.h
   macros.h
   memory.h
+  neon-util.h
   parallel.h
   rle-encoding.h
   sse-util.h

cpp/src/arrow/util/hash-util.h

@@ -25,8 +25,8 @@
 
 #include "arrow/util/logging.h"
 #include "arrow/util/macros.h"
+#include "arrow/util/neon-util.h"
 #include "arrow/util/sse-util.h"
-#include "arrow/util/armce-util.h"
 
 static inline uint32_t HW_crc32_u8(uint32_t crc, uint8_t v) {
   DCHECK(false) << "Hardware CRC support is not enabled";
@@ -49,12 +49,12 @@ static inline uint32_t HW_crc32_u64(uint32_t crc, uint64_t v) {
 }
 
 #ifdef ARROW_HAVE_SSE4_2
-#define HW_crc32_u8  SSE4_crc32_u8
+#define HW_crc32_u8 SSE4_crc32_u8
 #define HW_crc32_u16 SSE4_crc32_u16
 #define HW_crc32_u32 SSE4_crc32_u32
 #define HW_crc32_u64 SSE4_crc32_u64
 #elif defined(ARROW_HAVE_ARM_CRC)
-#define HW_crc32_u8  ARMCE_crc32_u8
+#define HW_crc32_u8 ARMCE_crc32_u8
 #define HW_crc32_u16 ARMCE_crc32_u16
 #define HW_crc32_u32 ARMCE_crc32_u32
 #define HW_crc32_u64 ARMCE_crc32_u64

cpp/src/arrow/util/armce-util.h cpp/src/arrow/util/neon-util.hcpp/src/arrow/util/armce-util.h renamed to cpp/src/arrow/util/neon-util.h

@@ -15,8 +15,8 @@
 // specific language governing permissions and limitations
 // under the License.
 
-#ifndef ARROW_UTIL_ARMCE_UTIL_H
-#define ARROW_UTIL_ARMCE_UTIL_H
+#ifndef ARROW_UTIL_NEON_UTIL_H
+#define ARROW_UTIL_NEON_UTIL_H
 
 namespace arrow {
 
@@ -29,14 +29,13 @@ namespace arrow {
 
 #if defined(__GNUC__) && defined(__linux__) && defined(ARROW_HAVE_ARM_CRC)
 
-#include <sys/auxv.h>
 #include <asm/hwcap.h>
+#include <sys/auxv.h>
 #ifndef HWCAP_CRC32
 #define HWCAP_CRC32 (1 << 7)
 #endif
-static inline uint32_t crc32c_runtime_check(void)
-{
-  unsigned long auxv = getauxval(AT_HWCAP);
+static inline uint32_t crc32c_runtime_check(void) {
+  uint64_t auxv = getauxval(AT_HWCAP);
   return (auxv & HWCAP_CRC32) != 0;
 }
 
@@ -87,4 +86,4 @@ static inline uint32_t ARMCE_crc32_u64(uint32_t, uint64_t) {
 
 }  // namespace arrow
 
-#endif  //  ARROW_UTIL_ARMCE_UTIL_H
+#endif  //  ARROW_UTIL_NEON_UTIL_H