Displaying 1 result from an estimated 1 matches for "atomicfence".
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atomic_fence
2016 Mar 23
0
__sync_synchronize() crashes when compiling OpenMP to a GPU target
Hi,
I get this error when compiling a code that contains "__sync_synchronize()"
fatal error: error in backend: Cannot select: 0x85ddfb0: ch = AtomicFence
0x85fd8d8, 0x85c7890, 0x85dd9e8 [ORD=4] [ID=27]example.c:378:13
0x85c7890: i64 = Constant<7> [ID=5]example.c:378:13
0x85dd9e8: i64 = Constant<1> [ID=6]example.c:378:13
I believe it should be equivalent to "__threadfence()" in CUDA and "call
void @llvm.nvvm.membar.gl...