Changeset 26e7d6d in mainline for uspace/lib/c/arch/amd64/include/atomic.h
- Timestamp:
- 2011-09-19T16:31:00Z (13 years ago)
- Branches:
- lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
- Children:
- a347a11
- Parents:
- 3842a955 (diff), 086290d (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
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- 1 edited
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uspace/lib/c/arch/amd64/include/atomic.h
r3842a955 r26e7d6d 44 44 static inline void atomic_inc(atomic_t *val) 45 45 { 46 #ifdef __PCC__ 47 asm volatile ( 48 "lock incq %0\n" 49 : "+m" (val->count) 50 ); 51 #else 46 52 asm volatile ( 47 53 "lock incq %[count]\n" 48 54 : [count] "+m" (val->count) 49 55 ); 56 #endif 50 57 } 51 58 52 59 static inline void atomic_dec(atomic_t *val) 53 60 { 61 #ifdef __PCC__ 62 asm volatile ( 63 "lock decq %0\n" 64 : "+m" (val->count) 65 ); 66 #else 54 67 asm volatile ( 55 68 "lock decq %[count]\n" 56 69 : [count] "+m" (val->count) 57 70 ); 71 #endif 58 72 } 59 73 … … 62 76 atomic_count_t r = 1; 63 77 78 #ifdef __PCC__ 79 asm volatile ( 80 "lock xaddq %1, %0\n" 81 : "+m" (val->count), 82 "+r" (r) 83 ); 84 #else 64 85 asm volatile ( 65 86 "lock xaddq %[r], %[count]\n" … … 67 88 [r] "+r" (r) 68 89 ); 90 #endif 69 91 70 92 return r; … … 75 97 atomic_count_t r = -1; 76 98 99 #ifdef __PCC__ 100 asm volatile ( 101 "lock xaddq %1, %0\n" 102 : "+m" (val->count), 103 "+r" (r) 104 ); 105 #else 77 106 asm volatile ( 78 107 "lock xaddq %[r], %[count]\n" … … 80 109 [r] "+r" (r) 81 110 ); 111 #endif 82 112 83 113 return r;
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