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authorEddie Hung <eddie@fpgeh.com>2019-06-14 12:40:51 -0700
committerEddie Hung <eddie@fpgeh.com>2019-06-14 12:40:51 -0700
commit7876b5b8bef1ff8460e48232e68bb5136f04e7b5 (patch)
treec8ee8551e6a9f50e8bad1cac6f1d75233987abd1 /backends
parenta632799d5b3e4d458f256203678e546474425556 (diff)
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Cover __APPLE__ too for little to big endian
Diffstat (limited to 'backends')
-rw-r--r--backends/aiger/xaiger.cc13
1 files changed, 9 insertions, 4 deletions
diff --git a/backends/aiger/xaiger.cc b/backends/aiger/xaiger.cc
index 7e22dca7f..7cb311736 100644
--- a/backends/aiger/xaiger.cc
+++ b/backends/aiger/xaiger.cc
@@ -18,6 +18,15 @@
*
*/
+// https://stackoverflow.com/a/46137633
+#ifdef _MSC_VER
+#include <stdlib.h>
+#define __builtin_bswap32 _byteswap_ulong
+#elif defined(__APPLE__)
+#include <libkern/OSByteOrder.h>
+#define __builtin_bswap32 OSSwapInt32
+#endif
+
#include "kernel/yosys.h"
#include "kernel/sigtools.h"
#include "kernel/utils.h"
@@ -27,11 +36,7 @@ PRIVATE_NAMESPACE_BEGIN
inline int32_t to_big_endian(int32_t i32) {
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
-#ifdef _WIN32
- return _byteswap_ulong(i32);
-#else
return __builtin_bswap32(i32);
-#endif
#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
return i32;
#else