mirror of git://gcc.gnu.org/git/gcc.git
63 lines
1.5 KiB
Java
63 lines
1.5 KiB
Java
class BuiltinReverseBytes
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{
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public static short bswap16(short x)
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{
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return Short.reverseBytes(x);
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}
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public static int bswap32(int x)
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{
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return Integer.reverseBytes(x);
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}
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public static long bswap64(long x)
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{
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return Long.reverseBytes(x);
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}
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public static void main(String[] args)
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{
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if (Short.reverseBytes((short)0) != (short)0)
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throw new Error();
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if (Short.reverseBytes((short)0x1234) != (short)0x3412)
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throw new Error();
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if (Short.reverseBytes((short)-1) != (short)-1)
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throw new Error();
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if (Integer.reverseBytes(0) != 0)
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throw new Error();
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if (Integer.reverseBytes(0x12345678) != 0x78563412)
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throw new Error();
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if (Integer.reverseBytes(-1) != -1)
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throw new Error();
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if (Long.reverseBytes(0L) != 0L)
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throw new Error();
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if (Long.reverseBytes(0x123456789abcde0fL) != 0x0fdebc9a78563412L)
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throw new Error();
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if (Long.reverseBytes(-1L) != -1L)
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throw new Error();
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if (bswap16((short)0) != (short)0)
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throw new Error();
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if (bswap16((short)0x1234) != (short)0x3412)
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throw new Error();
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if (bswap16((short)-1) != (short)-1)
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throw new Error();
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if (bswap32(0) != 0)
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throw new Error();
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if (bswap32(0x12345678) != 0x78563412)
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throw new Error();
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if (bswap32(-1) != -1)
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throw new Error();
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if (bswap64(0L) != 0L)
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throw new Error();
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if (bswap64(0x123456789abcde0fL) != 0x0fdebc9a78563412L)
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throw new Error();
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if (bswap64(-1L) != -1L)
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throw new Error();
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}
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}
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