diff options
Diffstat (limited to 'lib/Target/X86/X86SelectionDAGInfo.cpp')
| -rw-r--r-- | lib/Target/X86/X86SelectionDAGInfo.cpp | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/lib/Target/X86/X86SelectionDAGInfo.cpp b/lib/Target/X86/X86SelectionDAGInfo.cpp index 00edcbc7d4..3018654cb6 100644 --- a/lib/Target/X86/X86SelectionDAGInfo.cpp +++ b/lib/Target/X86/X86SelectionDAGInfo.cpp @@ -35,6 +35,14 @@ X86SelectionDAGInfo::EmitTargetCodeForMemset(SelectionDAG &DAG, DebugLoc dl, MachinePointerInfo DstPtrInfo) const { ConstantSDNode *ConstantSize = dyn_cast<ConstantSDNode>(Size); + // @LOCALMOD-BEGIN + if (Subtarget->isTargetNaCl()) { + // TODO: Can we allow this optimization for Native Client? + // At the very least, pointer size needs to be fixed below. + return SDValue(); + } + // @LOCALMOD-END + // If to a segment-relative address space, use the default lowering. if (DstPtrInfo.getAddrSpace() >= 256) return SDValue(); @@ -190,6 +198,13 @@ X86SelectionDAGInfo::EmitTargetCodeForMemcpy(SelectionDAG &DAG, DebugLoc dl, if (!AlwaysInline && SizeVal > Subtarget->getMaxInlineSizeThreshold()) return SDValue(); + // @LOCALMOD-BEGIN + if (Subtarget->isTargetNaCl()) { + // TODO(pdox): Allow use of the NaCl pseudo-instruction for REP MOV + return SDValue(); + } + // @LOCALMOD-END + /// If not DWORD aligned, it is more efficient to call the library. However /// if calling the library is not allowed (AlwaysInline), then soldier on as /// the code generated here is better than the long load-store sequence we |