21 lines
881 B
Diff
21 lines
881 B
Diff
diff -up /home/petr/fedora/tbb/devel/tbb22_20090809oss-pm/include/tbb/machine/linux_ia32.h\~ /home/petr/fedora/tbb/devel/tbb22_20090809oss-pm/include/tbb/machine/linux_ia32.h
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--- tbb22_20090809oss-pm/include/tbb/machine/linux_ia32.h~ 2009-08-12 09:05:03.000000000 +0200
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+++ tbb22_20090809oss-pm/include/tbb/machine/linux_ia32.h 2010-06-10 17:11:17.000000000 +0200
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@@ -39,7 +39,13 @@
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#define __TBB_release_consistency_helper() __asm__ __volatile__("": : :"memory")
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-inline void __TBB_rel_acq_fence() { __asm__ __volatile__("mfence": : :"memory"); }
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+inline void __TBB_rel_acq_fence() {
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+ int tmp;
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+ __asm__ __volatile__("xchg %0,%0"
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+ : "=r"(tmp)
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+ : "r"(tmp)
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+ : "memory");
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+}
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#define __MACHINE_DECL_ATOMICS(S,T,X) \
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static inline T __TBB_machine_cmpswp##S (volatile void *ptr, T value, T comparand ) \
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Diff finished. Thu Jun 10 17:13:43 2010
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