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| author | David S. Miller <davem@davemloft.net> | 2008-04-03 14:33:42 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-04-03 14:33:42 -0700 |
| commit | 3bb5da3837cc1aa17736b05139c9a22c3794851a (patch) | |
| tree | c92d5684a866542b1cb20641607ac1643ce03a47 /include/asm-avr32/byteorder.h | |
| parent | 7feb49c82a74bc7c091b8ab2a3f96baa33d08ece (diff) | |
| parent | 9597362d354f8655ece324b01d0c640a0e99c077 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
Diffstat (limited to 'include/asm-avr32/byteorder.h')
| -rw-r--r-- | include/asm-avr32/byteorder.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/asm-avr32/byteorder.h b/include/asm-avr32/byteorder.h index 402ff4125cd..d77b48ba733 100644 --- a/include/asm-avr32/byteorder.h +++ b/include/asm-avr32/byteorder.h @@ -12,8 +12,14 @@ extern unsigned long __builtin_bswap_32(unsigned long x); extern unsigned short __builtin_bswap_16(unsigned short x); #endif +/* + * avr32-linux-gcc versions earlier than 4.2 improperly sign-extends + * the result. + */ +#if !(__GNUC__ == 4 && __GNUC_MINOR__ < 2) #define __arch__swab32(x) __builtin_bswap_32(x) #define __arch__swab16(x) __builtin_bswap_16(x) +#endif #if !defined(__STRICT_ANSI__) || defined(__KERNEL__) # define __BYTEORDER_HAS_U64__ |