diff options
Diffstat (limited to 'config/cpu/powerpc/atomicity.h')
| -rw-r--r-- | config/cpu/powerpc/atomicity.h | 58 |
1 files changed, 30 insertions, 28 deletions
diff --git a/config/cpu/powerpc/atomicity.h b/config/cpu/powerpc/atomicity.h index 3b44b7d..5a74a65 100644 --- a/config/cpu/powerpc/atomicity.h +++ b/config/cpu/powerpc/atomicity.h @@ -28,7 +28,7 @@ // the GNU General Public License. #ifndef _GLIBCXX_ATOMICITY_H -#define _GLIBCXX_ATOMICITY_H 1 +#define _GLIBCXX_ATOMICITY_H 1 #ifdef __PPC405__ #define _STWCX "sync \n\tstwcx. " @@ -40,39 +40,41 @@ typedef int _Atomic_word; static inline _Atomic_word __attribute__ ((__unused__)) -__exchange_and_add(volatile _Atomic_word* __mem, int __val) +__exchange_and_add (volatile _Atomic_word* __mem, int __val) { - _Atomic_word __tmp, __res; - __asm__ __volatile__ ( - "/* Inline exchange & add */\n" - "0:\t" - "lwarx %0,0,%3 \n\t" - "add%I4 %1,%0,%4 \n\t" - _STWCX " %1,0,%3 \n\t" - "bne- 0b \n\t" - "/* End exchange & add */" - : "=&b"(__res), "=&r"(__tmp), "=m" (*__mem) - : "r" (__mem), "Ir"(__val), "m" (*__mem) - : "cr0"); - return __res; + _Atomic_word __tmp, __res; + + __asm__ __volatile__ ( + "/* Inline exchange & add */\n" + "0:\t" + "lwarx %0,0,%3 \n\t" + "add%I4 %1,%0,%4 \n\t" + _STWCX " %1,0,%3 \n\t" + "bne- 0b \n\t" + "/* End exchange & add */" + : "=&b" (__res), "=&r" (__tmp), "=m" (*__mem) + : "r" (__mem), "Ir" (__val), "m" (*__mem) + : "cr0"); + return __res; } static inline void __attribute__ ((__unused__)) -__atomic_add(volatile _Atomic_word* __mem, int __val) +__atomic_add (volatile _Atomic_word* __mem, int __val) { - _Atomic_word __tmp; - __asm__ __volatile__ ( - "/* Inline atomic add */\n" - "0:\t" - "lwarx %0,0,%2 \n\t" - "add%I3 %0,%0,%3 \n\t" - _STWCX " %0,0,%2 \n\t" - "bne- 0b \n\t" - "/* End atomic add */" - : "=&b"(__tmp), "=m" (*__mem) - : "r" (__mem), "Ir"(__val), "m" (*__mem) - : "cr0"); + _Atomic_word __tmp; + + __asm__ __volatile__ ( + "/* Inline atomic add */\n" + "0:\t" + "lwarx %0,0,%2 \n\t" + "add%I3 %0,%0,%3 \n\t" + _STWCX " %0,0,%2 \n\t" + "bne- 0b \n\t" + "/* End atomic add */" + : "=&b" (__tmp), "=m" (*__mem) + : "r" (__mem), "Ir" (__val), "m" (*__mem) + : "cr0"); } #endif /* atomicity.h */ |