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include/asm-x86/byteorder.h: checkpatch cleanups - formatting only
Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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1 changed files with 24 additions and 15 deletions
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@ -8,50 +8,59 @@
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#ifdef __i386__
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static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x)
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static inline __attribute_const__ __u32 ___arch__swab32(__u32 x)
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{
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#ifdef CONFIG_X86_BSWAP
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__asm__("bswap %0" : "=r" (x) : "0" (x));
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asm("bswap %0" : "=r" (x) : "0" (x));
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#else
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__asm__("xchgb %b0,%h0\n\t" /* swap lower bytes */
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"rorl $16,%0\n\t" /* swap words */
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"xchgb %b0,%h0" /* swap higher bytes */
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:"=q" (x)
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: "0" (x));
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asm("xchgb %b0,%h0\n\t" /* swap lower bytes */
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"rorl $16,%0\n\t" /* swap words */
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"xchgb %b0,%h0" /* swap higher bytes */
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: "=q" (x)
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: "0" (x));
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#endif
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return x;
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}
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static __inline__ __attribute_const__ __u64 ___arch__swab64(__u64 val)
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static inline __attribute_const__ __u64 ___arch__swab64(__u64 val)
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{
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union {
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struct { __u32 a,b; } s;
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struct {
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__u32 a;
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__u32 b;
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} s;
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__u64 u;
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} v;
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v.u = val;
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#ifdef CONFIG_X86_BSWAP
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__asm__("bswapl %0 ; bswapl %1 ; xchgl %0,%1"
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asm("bswapl %0 ; bswapl %1 ; xchgl %0,%1"
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: "=r" (v.s.a), "=r" (v.s.b)
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: "0" (v.s.a), "1" (v.s.b));
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#else
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v.s.a = ___arch__swab32(v.s.a);
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v.s.b = ___arch__swab32(v.s.b);
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__asm__("xchgl %0,%1" : "=r" (v.s.a), "=r" (v.s.b) : "0" (v.s.a), "1" (v.s.b));
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asm("xchgl %0,%1"
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: "=r" (v.s.a), "=r" (v.s.b)
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: "0" (v.s.a), "1" (v.s.b));
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#endif
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return v.u;
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}
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#else /* __i386__ */
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static __inline__ __attribute_const__ __u64 ___arch__swab64(__u64 x)
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static inline __attribute_const__ __u64 ___arch__swab64(__u64 x)
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{
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__asm__("bswapq %0" : "=r" (x) : "0" (x));
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asm("bswapq %0"
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: "=r" (x)
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: "0" (x));
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return x;
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}
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static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x)
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static inline __attribute_const__ __u32 ___arch__swab32(__u32 x)
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{
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__asm__("bswapl %0" : "=r" (x) : "0" (x));
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asm("bswapl %0"
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: "=r" (x)
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: "0" (x));
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return x;
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}
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