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| author | Eric Christopher <echristo@apple.com> | 2010-07-21 09:05:23 +0000 |
|---|---|---|
| committer | Eric Christopher <echristo@apple.com> | 2010-07-21 09:05:23 +0000 |
| commit | 87f41370a827a1674640e8e1ef3af454679f16c9 (patch) | |
| tree | c1d05830619db82d425ac2ee37ff5123c3479bed /lib/Target/X86/X86ISelLowering.h | |
| parent | 5a8ea65c5c72ee35c83f611a985d81efb8a4626e (diff) | |
| download | external_llvm-87f41370a827a1674640e8e1ef3af454679f16c9.zip external_llvm-87f41370a827a1674640e8e1ef3af454679f16c9.tar.gz external_llvm-87f41370a827a1674640e8e1ef3af454679f16c9.tar.bz2 | |
Lower MEMBARRIER on x86 and support processors without SSE2.
Fixes a pile of libgomp failures in the llvm-gcc testsuite due
to the libcall not existing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109004 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86ISelLowering.h')
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/Target/X86/X86ISelLowering.h b/lib/Target/X86/X86ISelLowering.h index 4e4daa4..221fff2 100644 --- a/lib/Target/X86/X86ISelLowering.h +++ b/lib/Target/X86/X86ISelLowering.h @@ -265,7 +265,10 @@ namespace llvm { ATOMXOR64_DAG, ATOMAND64_DAG, ATOMNAND64_DAG, - ATOMSWAP64_DAG + ATOMSWAP64_DAG, + + // Memory barrier + MEMBARRIER // WARNING: Do not add anything in the end unless you want the node to // have memop! In fact, starting from ATOMADD64_DAG all opcodes will be @@ -715,6 +718,7 @@ namespace llvm { SDValue LowerCMP_SWAP(SDValue Op, SelectionDAG &DAG) const; SDValue LowerLOAD_SUB(SDValue Op, SelectionDAG &DAG) const; SDValue LowerREADCYCLECOUNTER(SDValue Op, SelectionDAG &DAG) const; + SDValue LowerMEMBARRIER(SDValue Op, SelectionDAG &DAG) const; virtual SDValue LowerFormalArguments(SDValue Chain, |