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| author | jason <jason@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-01-02 22:48:21 +0000 |
|---|---|---|
| committer | jason <jason@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-01-02 22:48:21 +0000 |
| commit | 4c5b22f515e60e1cc0eb818f1614a8058d72b09d (patch) | |
| tree | 1bae956d87bd80989971abd9e506767e59028764 /libstdc++-v3 | |
| parent | 37ef0e43884ff848ae325311bf59021c53991745 (diff) | |
| download | gcc-4c5b22f515e60e1cc0eb818f1614a8058d72b09d.tar.gz | |
* config/cpu/i486/atomicity.h (__exchange_and_add, __atomic_add):
*__mem is also an output.
* config/cpu/m68k/atomicity.h (__exchange_and_add): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@60807 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libstdc++-v3')
| -rw-r--r-- | libstdc++-v3/ChangeLog | 6 | ||||
| -rw-r--r-- | libstdc++-v3/config/cpu/i486/atomicity.h | 10 | ||||
| -rw-r--r-- | libstdc++-v3/config/cpu/m68k/atomicity.h | 8 |
3 files changed, 15 insertions, 9 deletions
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog index 337056ec8cc..ba62559eae5 100644 --- a/libstdc++-v3/ChangeLog +++ b/libstdc++-v3/ChangeLog @@ -1,3 +1,9 @@ +2003-01-02 Jason Merrill <jason@redhat.com> + + * config/cpu/i486/atomicity.h (__exchange_and_add, __atomic_add): + *__mem is also an output. + * config/cpu/m68k/atomicity.h (__exchange_and_add): Likewise. + 2002-12-30 Loren J. Rittle <ljrittle@acm.org> * src/Makefile.am: Resolve non-portable use of $<. diff --git a/libstdc++-v3/config/cpu/i486/atomicity.h b/libstdc++-v3/config/cpu/i486/atomicity.h index 92f5011c3a1..73dedf10d9d 100644 --- a/libstdc++-v3/config/cpu/i486/atomicity.h +++ b/libstdc++-v3/config/cpu/i486/atomicity.h @@ -37,9 +37,9 @@ __attribute__ ((__unused__)) __exchange_and_add (volatile _Atomic_word *__mem, int __val) { register _Atomic_word __result; - __asm__ __volatile__ ("lock; xaddl %0,%2" - : "=r" (__result) - : "0" (__val), "m" (*__mem) + __asm__ __volatile__ ("lock; xaddl %0,%1" + : "=r" (__result), "+m" (*__mem) + : "0" (__val) : "memory"); return __result; } @@ -48,8 +48,8 @@ static inline void __attribute__ ((__unused__)) __atomic_add (volatile _Atomic_word* __mem, int __val) { - __asm__ __volatile__ ("lock; addl %0,%1" - : : "ir" (__val), "m" (*__mem) : "memory"); + __asm__ __volatile__ ("lock; addl %1,%0" + : "+m" (*__mem) : "ir" (__val) : "memory"); } #endif /* atomicity.h */ diff --git a/libstdc++-v3/config/cpu/m68k/atomicity.h b/libstdc++-v3/config/cpu/m68k/atomicity.h index db327355954..5a2dda3228c 100644 --- a/libstdc++-v3/config/cpu/m68k/atomicity.h +++ b/libstdc++-v3/config/cpu/m68k/atomicity.h @@ -43,11 +43,11 @@ __exchange_and_add (volatile _Atomic_word *__mem, int __val) register _Atomic_word __result = *__mem; register _Atomic_word __temp; __asm__ __volatile__ ("1: move%.l %0,%1\n\t" - "add%.l %2,%1\n\t" - "cas%.l %0,%1,%3\n\t" + "add%.l %3,%1\n\t" + "cas%.l %0,%1,%2\n\t" "jne 1b" - : "=d" (__result), "=&d" (__temp) - : "d" (__val), "m" (*__mem), "0" (__result) + : "=d" (__result), "=&d" (__temp), "+m" (*__mem) + : "d" (__val), "0" (__result) : "memory"); return __result; } |