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| author | Eli Friedman <eli.friedman@gmail.com> | 2011-08-03 21:06:02 +0000 |
|---|---|---|
| committer | Eli Friedman <eli.friedman@gmail.com> | 2011-08-03 21:06:02 +0000 |
| commit | 26689ac37ebec3b358588089415509285e558de9 (patch) | |
| tree | 78baa33160fd79d898ce2211f57edab1ed05d16c /lib/CodeGen/SelectionDAG/TargetLowering.cpp | |
| parent | 866ec865424e670918a14df2a695691c3372faf0 (diff) | |
New approach to r136737: insert the necessary fences for atomic ops in platform-independent code, since a bunch of platforms (ARM, Mips, PPC, Alpha are the relevant targets here) need to do essentially the same thing.
I think this completes the basic CodeGen for atomicrmw and cmpxchg.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136813 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/TargetLowering.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/TargetLowering.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp index 335eca787f..49b0f1b8ef 100644 --- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp +++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp @@ -617,6 +617,7 @@ TargetLowering::TargetLowering(const TargetMachine &tm, PrefLoopAlignment = 0; MinStackArgumentAlignment = 1; ShouldFoldAtomicFences = false; + InsertFencesForAtomic = false; InitLibcallNames(LibcallRoutineNames); InitCmpLibcallCCs(CmpLibcallCCs); |