46 #endif // AMD64
  47 }
  48 
  49 inline u4   Bytes::swap_u4(u4 x) {
  50 #ifdef AMD64
  51   return bswap_32(x);
  52 #else
  53   u4 ret;
  54   __asm__ __volatile__ (
  55     "bswap %0"
  56     :"=r" (ret)      // output : register 0 => ret
  57     :"0"  (x)        // input  : x => register 0
  58     :"0"             // clobbered register
  59   );
  60   return ret;
  61 #endif // AMD64
  62 }
  63 
  64 #ifdef AMD64
  65 inline u8 Bytes::swap_u8(u8 x) {
  66 #ifdef SPARC_WORKS
  67   // workaround for SunStudio12 CR6615391
  68   __asm__ __volatile__ (
  69     "bswapq %0"
  70     :"=r" (x)        // output : register 0 => x
  71     :"0"  (x)        // input  : x => register 0
  72     :"0"             // clobbered register
  73   );
  74   return x;
  75 #else
  76   return bswap_64(x);
  77 #endif
  78 }
  79 #else
  80 // Helper function for swap_u8
  81 inline u8   Bytes::swap_u8_base(u4 x, u4 y) {
  82   return (((u8)swap_u4(x))<<32) | swap_u4(y);
  83 }
  84 
  85 inline u8 Bytes::swap_u8(u8 x) {
  86   return swap_u8_base(*(u4*)&x, *(((u4*)&x)+1));
  87 }
  88 #endif // !AMD64
  89 
  90 #endif // OS_CPU_LINUX_X86_BYTES_LINUX_X86_INLINE_HPP

  46 #endif // AMD64
  47 }
  48 
  49 inline u4   Bytes::swap_u4(u4 x) {
  50 #ifdef AMD64
  51   return bswap_32(x);
  52 #else
  53   u4 ret;
  54   __asm__ __volatile__ (
  55     "bswap %0"
  56     :"=r" (ret)      // output : register 0 => ret
  57     :"0"  (x)        // input  : x => register 0
  58     :"0"             // clobbered register
  59   );
  60   return ret;
  61 #endif // AMD64
  62 }
  63 
  64 #ifdef AMD64
  65 inline u8 Bytes::swap_u8(u8 x) {










  66   return bswap_64(x);

  67 }
  68 #else
  69 // Helper function for swap_u8
  70 inline u8   Bytes::swap_u8_base(u4 x, u4 y) {
  71   return (((u8)swap_u4(x))<<32) | swap_u4(y);
  72 }
  73 
  74 inline u8 Bytes::swap_u8(u8 x) {
  75   return swap_u8_base(*(u4*)&x, *(((u4*)&x)+1));
  76 }
  77 #endif // !AMD64
  78 
  79 #endif // OS_CPU_LINUX_X86_BYTES_LINUX_X86_INLINE_HPP