50 lines
1.7 KiB
Diff
50 lines
1.7 KiB
Diff
src/include/thread.h | 14 ++++++++++++++
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1 files changed, 14 insertions(+), 0 deletions(-)
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diff --git a/src/include/thread.h b/src/include/thread.h
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index 3b3bd19..53773e8 100644
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--- a/src/include/thread.h
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+++ b/src/include/thread.h
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@@ -272,6 +272,11 @@ atomic_exchange_and_add (volatile int *at, int x)
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#elif defined(_WIN32)
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// Windows
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return _InterlockedExchangeAdd ((volatile LONG *)at, x);
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+#elif defined (__PPC__)
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+ long long r;
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+ r = *at;
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+ *at += x;
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+ return r;
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#else
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# error No atomics on this platform.
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#endif
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@@ -297,6 +302,11 @@ atomic_exchange_and_add (volatile long long *at, long long x)
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# else
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return InterlockedExchangeAdd64 ((volatile LONGLONG *)at, x);
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# endif
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+#elif defined (__PPC__)
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+ long long r;
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+ r = *at;
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+ *at += x;
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+ return r;
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#else
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# error No atomics on this platform.
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#endif
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@@ -322,6 +332,8 @@ atomic_compare_and_exchange (volatile int *at, int compareval, int newval)
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return OSAtomicCompareAndSwap32Barrier (compareval, newval, at);
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#elif defined(_WIN32)
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return (_InterlockedCompareExchange ((volatile LONG *)at, newval, compareval) == compareval);
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+#elif defined(__PPC__)
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+ return ((*at == compareval) ? (*at = newval), 1 : 0);
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#else
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# error No atomics on this platform.
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#endif
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@@ -341,6 +353,8 @@ atomic_compare_and_exchange (volatile long long *at, long long compareval, long
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return OSAtomicCompareAndSwap64Barrier (compareval, newval, at);
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#elif defined(_WIN32)
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return (_InterlockedCompareExchange64 ((volatile LONGLONG *)at, newval, compareval) == compareval);
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+#elif defined(__PPC__)
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+ return ((*at == compareval) ? (*at = newval), 1 : 0);
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#else
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# error No atomics on this platform.
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#endif
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