OLD | NEW |
1 #define a_cas a_cas | 1 #define a_cas a_cas |
2 static inline int a_cas(volatile int *p, int t, int s) | 2 static inline int a_cas(volatile int* p, int t, int s) { |
3 { | 3 __asm__ __volatile__("lock ; cmpxchg %3, %1" |
4 » __asm__ __volatile__ ( | 4 : "=a"(t), "=m"(*p) |
5 » » "lock ; cmpxchg %3, %1" | 5 : "a"(t), "r"(s) |
6 » » : "=a"(t), "=m"(*p) : "a"(t), "r"(s) : "memory" ); | 6 : "memory"); |
7 » return t; | 7 return t; |
8 } | 8 } |
9 | 9 |
10 #define a_swap a_swap | 10 #define a_swap a_swap |
11 static inline int a_swap(volatile int *p, int v) | 11 static inline int a_swap(volatile int* p, int v) { |
12 { | 12 __asm__ __volatile__("xchg %0, %1" : "=r"(v), "=m"(*p) : "0"(v) : "memory"); |
13 » __asm__ __volatile__( | 13 return v; |
14 » » "xchg %0, %1" | |
15 » » : "=r"(v), "=m"(*p) : "0"(v) : "memory" ); | |
16 » return v; | |
17 } | 14 } |
18 | 15 |
19 #define a_fetch_add a_fetch_add | 16 #define a_fetch_add a_fetch_add |
20 static inline int a_fetch_add(volatile int *p, int v) | 17 static inline int a_fetch_add(volatile int* p, int v) { |
21 { | 18 __asm__ __volatile__("lock ; xadd %0, %1" |
22 » __asm__ __volatile__( | 19 : "=r"(v), "=m"(*p) |
23 » » "lock ; xadd %0, %1" | 20 : "0"(v) |
24 » » : "=r"(v), "=m"(*p) : "0"(v) : "memory" ); | 21 : "memory"); |
25 » return v; | 22 return v; |
26 } | 23 } |
27 | 24 |
28 #define a_and a_and | 25 #define a_and a_and |
29 static inline void a_and(volatile int *p, int v) | 26 static inline void a_and(volatile int* p, int v) { |
30 { | 27 __asm__ __volatile__("lock ; and %1, %0" : "=m"(*p) : "r"(v) : "memory"); |
31 » __asm__ __volatile__( | |
32 » » "lock ; and %1, %0" | |
33 » » : "=m"(*p) : "r"(v) : "memory" ); | |
34 } | 28 } |
35 | 29 |
36 #define a_or a_or | 30 #define a_or a_or |
37 static inline void a_or(volatile int *p, int v) | 31 static inline void a_or(volatile int* p, int v) { |
38 { | 32 __asm__ __volatile__("lock ; or %1, %0" : "=m"(*p) : "r"(v) : "memory"); |
39 » __asm__ __volatile__( | |
40 » » "lock ; or %1, %0" | |
41 » » : "=m"(*p) : "r"(v) : "memory" ); | |
42 } | 33 } |
43 | 34 |
44 #define a_inc a_inc | 35 #define a_inc a_inc |
45 static inline void a_inc(volatile int *p) | 36 static inline void a_inc(volatile int* p) { |
46 { | 37 __asm__ __volatile__("lock ; incl %0" : "=m"(*p) : "m"(*p) : "memory"); |
47 » __asm__ __volatile__( | |
48 » » "lock ; incl %0" | |
49 » » : "=m"(*p) : "m"(*p) : "memory" ); | |
50 } | 38 } |
51 | 39 |
52 #define a_dec a_dec | 40 #define a_dec a_dec |
53 static inline void a_dec(volatile int *p) | 41 static inline void a_dec(volatile int* p) { |
54 { | 42 __asm__ __volatile__("lock ; decl %0" : "=m"(*p) : "m"(*p) : "memory"); |
55 » __asm__ __volatile__( | |
56 » » "lock ; decl %0" | |
57 » » : "=m"(*p) : "m"(*p) : "memory" ); | |
58 } | 43 } |
59 | 44 |
60 #define a_store a_store | 45 #define a_store a_store |
61 static inline void a_store(volatile int *p, int x) | 46 static inline void a_store(volatile int* p, int x) { |
62 { | 47 __asm__ __volatile__("mov %1, %0 ; lock ; orl $0,(%%esp)" |
63 » __asm__ __volatile__( | 48 : "=m"(*p) |
64 » » "mov %1, %0 ; lock ; orl $0,(%%esp)" | 49 : "r"(x) |
65 » » : "=m"(*p) : "r"(x) : "memory" ); | 50 : "memory"); |
66 } | 51 } |
67 | 52 |
68 #define a_barrier a_barrier | 53 #define a_barrier a_barrier |
69 static inline void a_barrier() | 54 static inline void a_barrier() { |
70 { | 55 __asm__ __volatile__("" : : : "memory"); |
71 » __asm__ __volatile__( "" : : : "memory" ); | |
72 } | 56 } |
73 | 57 |
74 #define a_pause a_pause | 58 #define a_pause a_pause |
75 static inline void a_spin() | 59 static inline void a_spin() { |
76 { | 60 __asm__ __volatile__("pause" : : : "memory"); |
77 » __asm__ __volatile__( "pause" : : : "memory" ); | |
78 } | 61 } |
79 | 62 |
80 #define a_crash a_crash | 63 #define a_crash a_crash |
81 static inline void a_crash() | 64 static inline void a_crash() { |
82 { | 65 __asm__ __volatile__("hlt" : : : "memory"); |
83 » __asm__ __volatile__( "hlt" : : : "memory" ); | |
84 } | 66 } |
85 | 67 |
86 #define a_ctz_64 a_ctz_64 | 68 #define a_ctz_64 a_ctz_64 |
87 static inline int a_ctz_64(uint64_t x) | 69 static inline int a_ctz_64(uint64_t x) { |
88 { | 70 int r; |
89 » int r; | 71 __asm__("bsf %1,%0 ; jnz 1f ; bsf %2,%0 ; add $32,%0\n1:" |
90 » __asm__( "bsf %1,%0 ; jnz 1f ; bsf %2,%0 ; add $32,%0\n1:" | 72 : "=&r"(r) |
91 » » : "=&r"(r) : "r"((unsigned)x), "r"((unsigned)(x>>32)) ); | 73 : "r"((unsigned)x), "r"((unsigned)(x >> 32))); |
92 » return r; | 74 return r; |
93 } | 75 } |
94 | 76 |
95 #define a_ctz_l a_ctz_l | 77 #define a_ctz_l a_ctz_l |
96 static inline int a_ctz_l(unsigned long x) | 78 static inline int a_ctz_l(unsigned long x) { |
97 { | 79 long r; |
98 » long r; | 80 __asm__("bsf %1,%0" : "=r"(r) : "r"(x)); |
99 » __asm__( "bsf %1,%0" : "=r"(r) : "r"(x) ); | 81 return r; |
100 » return r; | |
101 } | 82 } |
OLD | NEW |