X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu%2Fuatomic_arch_x86.h;fp=urcu%2Fuatomic_arch_x86.h;h=e358be3673552dd9919ca6579e2c83071410157a;hp=3bfe86d0a31f35e9a3f04a1c5079811b8971e167;hb=8760d94e0ef6d52260765a9246aaac073613055e;hpb=35cb42646126bb629dadfe1a16f11124a1c8922c diff --git a/urcu/uatomic_arch_x86.h b/urcu/uatomic_arch_x86.h index 3bfe86d..e358be3 100644 --- a/urcu/uatomic_arch_x86.h +++ b/urcu/uatomic_arch_x86.h @@ -49,7 +49,6 @@ struct __uatomic_dummy { #define __hp(x) ((struct __uatomic_dummy *)(x)) #define _uatomic_set(addr, v) STORE_SHARED(*(addr), (v)) -#define _uatomic_read(addr) LOAD_SHARED(*(addr)) /* cmpxchg */ @@ -176,7 +175,7 @@ unsigned long __uatomic_exchange(void *addr, unsigned long val, int len) ((__typeof__(*(addr))) __uatomic_exchange((addr), (unsigned long)(v), \ sizeof(*(addr)))) -/* uatomic_add_return, uatomic_sub_return */ +/* uatomic_add_return */ static inline __attribute__((always_inline)) unsigned long __uatomic_add_return(void *addr, unsigned long val, @@ -241,9 +240,7 @@ unsigned long __uatomic_add_return(void *addr, unsigned long val, (unsigned long)(v), \ sizeof(*(addr)))) -#define _uatomic_sub_return(addr, v) _uatomic_add_return((addr), -(v)) - -/* uatomic_add, uatomic_sub */ +/* uatomic_add */ static inline __attribute__((always_inline)) void __uatomic_add(void *addr, unsigned long val, int len) @@ -297,8 +294,6 @@ void __uatomic_add(void *addr, unsigned long val, int len) #define _uatomic_add(addr, v) \ (__uatomic_add((addr), (unsigned long)(v), sizeof(*(addr)))) -#define _uatomic_sub(addr, v) _uatomic_add((addr), -(v)) - /* uatomic_inc */ @@ -449,36 +444,29 @@ extern unsigned long _compat_uatomic_xchg(void *addr, (unsigned long)(v), \ sizeof(*(addr)))) -#define compat_uatomic_sub_return(addr, v) \ - compat_uatomic_add_return((addr), -(v)) #define compat_uatomic_add(addr, v) \ ((void)compat_uatomic_add_return((addr), (v))) -#define compat_uatomic_sub(addr, v) \ - ((void)compat_uatomic_sub_return((addr), (v))) #define compat_uatomic_inc(addr) \ (compat_uatomic_add((addr), 1)) #define compat_uatomic_dec(addr) \ - (compat_uatomic_sub((addr), 1)) + (compat_uatomic_add((addr), -1)) #else #define UATOMIC_COMPAT(insn) (_uatomic_##insn) #endif /* Read is atomic even in compat mode */ -#define uatomic_read(addr) _uatomic_read(addr) - #define uatomic_set(addr, v) \ UATOMIC_COMPAT(set(addr, v)) + #define uatomic_cmpxchg(addr, old, _new) \ UATOMIC_COMPAT(cmpxchg(addr, old, _new)) #define uatomic_xchg(addr, v) \ UATOMIC_COMPAT(xchg(addr, v)) #define uatomic_add_return(addr, v) \ UATOMIC_COMPAT(add_return(addr, v)) -#define uatomic_sub_return(addr, v) \ - UATOMIC_COMPAT(sub_return(addr, v)) + #define uatomic_add(addr, v) UATOMIC_COMPAT(add(addr, v)) -#define uatomic_sub(addr, v) UATOMIC_COMPAT(sub(addr, v)) #define uatomic_inc(addr) UATOMIC_COMPAT(inc(addr)) #define uatomic_dec(addr) UATOMIC_COMPAT(dec(addr)) @@ -486,4 +474,6 @@ extern unsigned long _compat_uatomic_xchg(void *addr, } #endif +#include + #endif /* _URCU_ARCH_UATOMIC_X86_H */