search for: atomic_hidden_symbol_testcase

Why is his configure not catching this? It tests for the linkability of these functions on the target arch, and should be detecting their absence if that is actually the case. --Owen On Jul 1, 2009, at 12:50 AM, Xerxes Rånby wrote: > llvm/lib/System/Atomic.cpp contains the call to > __sync_val_compare_and_swap that lowers to the missing > __sync_val_compare_and_swap_4 GCC

llvm/lib/System/Atomic.cpp contains the 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: