44 inline u4 Bytes::swap_u4(u4 x) {
45 return _raw_swap_u4(x);
46 }
47
48 inline u8 Bytes::swap_u8(u8 x) {
49 #ifdef AMD64
50 return _raw_swap_u8(x);
51 #else
52 return swap_u8_base(*(u4*)&x, *(((u4*)&x)+1));
53 #endif // AMD64
54
55 }
56
57 #ifndef AMD64
58 // Helper function for swap_u8
59 inline u8 Bytes::swap_u8_base(u4 x, u4 y) {
60 return _raw_swap_u8(x, y);
61 }
62 #endif // !AMD64
63
64
65 #ifdef _GNU_SOURCE
66
67 extern "C" {
68 #ifdef AMD64
69 inline u2 _raw_swap_u2(u2 x) {
70 register unsigned short int __dest;
71 __asm__ ("rorw $8, %w0": "=r" (__dest): "0" (x): "cc");
72 return __dest;
73 }
74 inline u4 _raw_swap_u4(u4 x) {
75 register unsigned int __dest;
76 __asm__ ("bswap %0" : "=r" (__dest) : "0" (x));
77 return __dest;
78 }
79 inline u8 _raw_swap_u8(u8 x) {
80 register unsigned long __dest;
81 __asm__ ("bswap %q0" : "=r" (__dest) : "0" (x));
82 return __dest;
83 }
84 #else
85 inline u2 _raw_swap_u2(u2 x) {
86 u2 ret;
87 __asm__ __volatile__ (
88 "movw %0, %%ax;"
89 "xchg %%al, %%ah;"
90 "movw %%ax, %0"
91 :"=r" (ret) // output : register 0 => ret
92 :"0" (x) // input : x => register 0
93 :"ax", "0" // clobbered registers
94 );
95 return ret;
96 }
97
98 inline u4 _raw_swap_u4(u4 x) {
99 u4 ret;
100 __asm__ __volatile__ (
101 "bswap %0"
102 :"=r" (ret) // output : register 0 => ret
103 :"0" (x) // input : x => register 0
104 :"0" // clobbered register
105 );
106 return ret;
107 }
108
109 inline u8 _raw_swap_u8(u4 x, u4 y) {
110 return (((u8)_raw_swap_u4(x))<<32) | _raw_swap_u4(y);
111 }
112 #endif // AMD64
113 }
114 #endif //_GNU_SOURCE
115
116 #endif // OS_CPU_SOLARIS_X86_VM_BYTES_SOLARIS_X86_INLINE_HPP
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44 inline u4 Bytes::swap_u4(u4 x) {
45 return _raw_swap_u4(x);
46 }
47
48 inline u8 Bytes::swap_u8(u8 x) {
49 #ifdef AMD64
50 return _raw_swap_u8(x);
51 #else
52 return swap_u8_base(*(u4*)&x, *(((u4*)&x)+1));
53 #endif // AMD64
54
55 }
56
57 #ifndef AMD64
58 // Helper function for swap_u8
59 inline u8 Bytes::swap_u8_base(u4 x, u4 y) {
60 return _raw_swap_u8(x, y);
61 }
62 #endif // !AMD64
63
64 #endif // OS_CPU_SOLARIS_X86_VM_BYTES_SOLARIS_X86_INLINE_HPP
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