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Diffstat (limited to 'libc/sysdeps/linux/arc/bits/byteswap.h')
-rw-r--r--libc/sysdeps/linux/arc/bits/byteswap.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/arc/bits/byteswap.h b/libc/sysdeps/linux/arc/bits/byteswap.h
new file mode 100644
index 000000000..75fa3590d
--- /dev/null
+++ b/libc/sysdeps/linux/arc/bits/byteswap.h
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2013 Synopsys, Inc. (www.synopsys.com)
+ *
+ * Licensed under LGPL v2.1 or later, see the file COPYING.LIB in this tarball.
+ *
+ */
+
+#ifndef _ASM_BITS_BYTESWAP_H
+#define _ASM_BITS_BYTESWAP_H 1
+
+#ifdef __Xswape /* gcc defined if -mswape is enabled */
+
+#define __bswap_non_constant_32(x) \
+ __extension__ \
+ ({ unsigned int __bswap_32_v = x; \
+ __asm__ ("swape %0, %0" : "+r" (__bswap_32_v)); \
+ __bswap_32_v; })
+
+#endif /* __Xswape */
+
+#endif /* _ASM_BITS_BYTESWAP_H */
+
+#include <bits/byteswap-common.h>