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| author | Richard Sandiford <rsandifo@linux.vnet.ibm.com> | 2013-08-12 10:28:10 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@linux.vnet.ibm.com> | 2013-08-12 10:28:10 +0000 |
| commit | ac168b8bc8773a083a10902f64e4ae57a925aee4 (patch) | |
| tree | f01bc6788d39669344e52a5304fbe7859ebc8702 /lib/Target/SystemZ/SystemZSelectionDAGInfo.h | |
| parent | e03a56d62fc623e2f72d623b816f91b293d5904b (diff) | |
| download | llvm-ac168b8bc8773a083a10902f64e4ae57a925aee4.tar.gz llvm-ac168b8bc8773a083a10902f64e4ae57a925aee4.tar.bz2 llvm-ac168b8bc8773a083a10902f64e4ae57a925aee4.tar.xz | |
[SystemZ] Use CLC and IPM to implement memcmp
For now this is restricted to fixed-length comparisons with a length
in the range [1, 256], as for memcpy() and MVC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188163 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/SystemZ/SystemZSelectionDAGInfo.h')
| -rw-r--r-- | lib/Target/SystemZ/SystemZSelectionDAGInfo.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/Target/SystemZ/SystemZSelectionDAGInfo.h b/lib/Target/SystemZ/SystemZSelectionDAGInfo.h index 9138a9cc08..c757e16707 100644 --- a/lib/Target/SystemZ/SystemZSelectionDAGInfo.h +++ b/lib/Target/SystemZ/SystemZSelectionDAGInfo.h @@ -38,7 +38,13 @@ public: EmitTargetCodeForMemset(SelectionDAG &DAG, SDLoc DL, SDValue Chain, SDValue Dst, SDValue Byte, SDValue Size, unsigned Align, bool IsVolatile, - MachinePointerInfo DstPtrInfo) const; + MachinePointerInfo DstPtrInfo) const LLVM_OVERRIDE; + + virtual std::pair<SDValue, SDValue> + EmitTargetCodeForMemcmp(SelectionDAG &DAG, SDLoc DL, SDValue Chain, + SDValue Src1, SDValue Src2, SDValue Size, + MachinePointerInfo Op1PtrInfo, + MachinePointerInfo Op2PtrInfo) const LLVM_OVERRIDE; }; } |