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Work around ECC v7.0 bug by manually definining __sync_val_compare_and_swap()
if it isn't defined yet. (Logical change 1.68)
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@ -93,6 +93,15 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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#ifdef HAVE_IA64INTRIN_H
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# define HAVE_CMPXCHG
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# include <ia64intrin.h>
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/*
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* ecc v7.0 is broken: it's missing __sync_val_compare_and_swap()
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* even though the ia64 ABI requires it. Work around it:
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*/
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# ifndef __sync_val_compare_and_swap
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# define __sync_val_compare_and_swap(x,y,z) \
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_InterlockedCompareExchange64_rel(x,y,z)
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# endif
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# define cmpxchg_ptr(_ptr,_o,_n) \
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((void *) __sync_val_compare_and_swap((long *) (_ptr), \
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(long) (_o), (long) (_n)))
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