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...he call to __sync_val_compare_and_swap that lowers to the missing __sync_val_compare_and_swap_4 GCC intrinsic. The same file contains several other __sync_* calls and all these has to be implemented if we want to be able to compile llvm on linux/ARM with GCC versions below < 4.4 xerxes at labbserver:~/llvm$ grep _sync lib/*/* lib/System/Atomic.cpp: __sync_synchronize(); lib/System/Atomic.cpp: return __sync_val_compare_and_swap(ptr, old_value, new_value); lib/System/Atomic.cpp: return __sync_add_and_fetch(ptr, 1); lib/System/Atomic.cpp: return __sync_sub_and_fetch(ptr, 1); lib/System/Atomi...

Nick Lewycky wrote: > 2009/6/30 Andrew Haley <aph at redhat.com <mailto:aph at redhat.com>> > > Nick Lewycky wrote: > > I'm seeing this new build failure, starting some time yesterday on > ARM: > > Yes. It's just a matter of defining __sync_val_compare_and_swap_4: > >

..._and_swap that lowers to the missing > __sync_val_compare_and_swap_4 GCC intrinsic. > > The same file contains several other __sync_* calls and all these has > to be implemented if we want to be able to compile llvm on linux/ARM > with GCC versions below < 4.4 > > xerxes at labbserver:~/llvm$ grep _sync lib/*/* > lib/System/Atomic.cpp: __sync_synchronize(); > lib/System/Atomic.cpp: return __sync_val_compare_and_swap(ptr, > old_value, new_value); > lib/System/Atomic.cpp: return __sync_add_and_fetch(ptr, 1); > lib/System/Atomic.cpp: return __sync_sub_and_fetch(p...

2009/6/30 Andrew Haley <aph at redhat.com> > Nick Lewycky wrote: > > I'm seeing this new build failure, starting some time yesterday on ARM: > > > > make[3]: Entering directory `/home/nlewycky/llvm/tools/llvmc/driver' > > llvm[3]: Linking Debug executable llvmc > > g++ -DLLVMC_BUILTIN_PLUGIN_1=Base -DLLVMC_BUILTIN_PLUGIN_2=Clang >