diff options
Diffstat (limited to 'cas.h')
| -rw-r--r-- | cas.h | 56 |
1 files changed, 28 insertions, 28 deletions
@@ -1,7 +1,7 @@ /* * File : cas.h * Author : Jérémy Zurcher <jeremy@asynk.ch> - * Date : 25/01/13 + * Date : 2013/01/25 * License : * * Permission is hereby granted, free of charge, to any person obtaining @@ -50,8 +50,8 @@ extern "C" { struct _cas_pointer_t { - _cas_field_t lo; - _cas_field_t hi; + _cas_field_t lo; + _cas_field_t hi; } __attribute__ (( __aligned__( _cas_aligned ) )); typedef struct _cas_pointer_t cas_pointer_t; @@ -63,39 +63,39 @@ typedef struct _cas_pointer_t cas_pointer_t; inline int cas(volatile cas_pointer_t* mem, cas_pointer_t old_val, cas_pointer_t new_val) { - char success; + char success; #if defined(__i386__) && defined(__GNUC__) - asm volatile("lock cmpxchg8b (%6);" - "setz %7;" - : "=a" ( old_val.lo ), - "=d" ( old_val.hi ) - : "0" ( old_val.lo ), - "1" ( old_val.hi ), - "b" ( new_val.lo ), - "c" ( new_val.hi ), - "r" ( mem ), - "m" ( success ) - : "cc", "memory" - ); + asm volatile("lock cmpxchg8b (%6);" + "setz %7;" + : "=a" ( old_val.lo ) + , "=d" ( old_val.hi ) + : "0" ( old_val.lo ) + , "1" ( old_val.hi ) + , "b" ( new_val.lo ) + , "c" ( new_val.hi ) + , "r" ( mem ) + , "m" ( success ) + : "cc", "memory" + ); #elif defined(__x86_64__) && defined(__GNUC__) - asm volatile ( - "lock cmpxchg16b %1;" - "setz %0;" - : "=q" ( success ) - , "+m" ( *mem ) - , "+d" ( old_val.hi ) - , "+a" ( old_val.lo ) - : "c" ( new_val.hi ) - , "b" ( new_val.lo ) - : "cc", "memory" - ); + asm volatile ( + "lock cmpxchg16b %1;" + "setz %0;" + : "=q" ( success ) + , "+m" ( *mem ) + , "+d" ( old_val.hi ) + , "+a" ( old_val.lo ) + : "c" ( new_val.hi ) + , "b" ( new_val.lo ) + : "cc", "memory" + ); #endif - return (int)success; + return (int)success; } # ifdef __cplusplus |