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@ -484,7 +484,7 @@ struct signalfd_siginfo
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/*
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* libecb - http://software.schmorp.de/pkg/libecb
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*
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* Copyright (©) 2009-2012 Marc Alexander Lehmann <libecb@schmorp.de>
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* Copyright (©) 2009-2013 Marc Alexander Lehmann <libecb@schmorp.de>
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* Copyright (©) 2011 Emanuele Giaquinta
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* All rights reserved.
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*
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@ -549,7 +549,7 @@ struct signalfd_siginfo
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#endif
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/* work around x32 idiocy by defining proper macros */
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#if __x86_64 || _M_AMD64
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#if __amd64 || __x86_64 || _M_AMD64 || _M_X64
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#if _ILP32
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#define ECB_AMD64_X32 1
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#else
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@ -619,7 +619,7 @@ struct signalfd_siginfo
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#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
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|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
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#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
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#elif __sparc || __sparc__
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#elif (__sparc || __sparc__) && !__sparcv8
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#define ECB_MEMORY_FENCE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad | #StoreStore | #StoreLoad" : : : "memory")
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#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("membar #LoadStore | #LoadLoad" : : : "memory")
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#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("membar #LoadStore | #StoreStore")
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@ -662,6 +662,12 @@ struct signalfd_siginfo
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#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
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#define ECB_MEMORY_FENCE __sync_synchronize ()
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#elif _MSC_VER >= 1500 /* VC++ 2008 */
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/* apparently, microsoft broke all the memory barrier stuff in Visual Studio 2008... */
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#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
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#define ECB_MEMORY_FENCE _ReadWriteBarrier (); MemoryBarrier()
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#define ECB_MEMORY_FENCE_ACQUIRE _ReadWriteBarrier (); MemoryBarrier() /* according to msdn, _ReadBarrier is not a load fence */
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#define ECB_MEMORY_FENCE_RELEASE _WriteBarrier (); MemoryBarrier()
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#elif _MSC_VER >= 1400 /* VC++ 2005 */
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#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
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#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
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@ -1072,10 +1078,17 @@ ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () ==
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#include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */
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#ifdef NEN
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/* only the oldest of old doesn't have this one. solaris. */
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#ifdef INFINITY
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#define ECB_INFINITY INFINITY
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#else
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#define ECB_INFINITY HUGE_VAL
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#endif
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#ifdef NAN
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#define ECB_NAN NAN
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#else
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#define ECB_NAN INFINITY
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#define ECB_NAN ECB_INFINITY
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#endif
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/* converts an ieee half/binary16 to a float */
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@ -1090,7 +1103,7 @@ ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () ==
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if (!e ) r = ldexpf (m , -24);
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else if (e != 31) r = ldexpf (m + 0x400, e - 25);
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else if (m ) r = ECB_NAN;
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else r = INFINITY;
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else r = ECB_INFINITY;
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return x & 0x8000 ? -r : r;
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}
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