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| author | Chris Lattner <sabre@nondot.org> | 2006-01-15 08:43:57 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2006-01-15 08:43:57 +0000 |
| commit | bce8887ceef02a51b34814519f6c49492648eb00 (patch) | |
| tree | 8c9856cc1a482d31fef88d007b207d4ef0aa4e38 /lib | |
| parent | 5f652295c27826f26547cf5eb4096a59d86b56b8 (diff) | |
| download | external_llvm-bce8887ceef02a51b34814519f6c49492648eb00.zip external_llvm-bce8887ceef02a51b34814519f6c49492648eb00.tar.gz external_llvm-bce8887ceef02a51b34814519f6c49492648eb00.tar.bz2 | |
Implement DYNAMIC_STACKALLOC for V8
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25330 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/Sparc/SparcISelDAGToDAG.cpp | 19 | ||||
| -rw-r--r-- | lib/Target/SparcV8/SparcV8ISelDAGToDAG.cpp | 19 |
2 files changed, 36 insertions, 2 deletions
diff --git a/lib/Target/Sparc/SparcISelDAGToDAG.cpp b/lib/Target/Sparc/SparcISelDAGToDAG.cpp index 85c69c6..c67b5aa 100644 --- a/lib/Target/Sparc/SparcISelDAGToDAG.cpp +++ b/lib/Target/Sparc/SparcISelDAGToDAG.cpp @@ -136,6 +136,8 @@ SparcV8TargetLowering::SparcV8TargetLowering(TargetMachine &TM) setOperationAction(ISD::SELECT_CC, MVT::f32, Custom); setOperationAction(ISD::SELECT_CC, MVT::f64, Custom); + setOperationAction(ISD::DYNAMIC_STACKALLOC, MVT::i32, Custom); + // V8 has no intrinsics for these particular operations. setOperationAction(ISD::MEMMOVE, MVT::Other, Expand); setOperationAction(ISD::MEMSET, MVT::Other, Expand); @@ -699,7 +701,22 @@ LowerOperation(SDOperand Op, SelectionDAG &DAG) { return DAG.getNode(Opc, TrueVal.getValueType(), TrueVal, FalseVal, DAG.getConstant(CC, MVT::i32), CompareFlag); } - } + case ISD::DYNAMIC_STACKALLOC: { + SDOperand Chain = Op.getOperand(0); + SDOperand Size = Op.getOperand(1); + + SDOperand SP = DAG.getCopyFromReg(Chain, V8::O6, MVT::i32); + Chain = SP.getValue(1); + SDOperand Res = DAG.getNode(ISD::SUB, MVT::i32, SP, Size); + Chain = DAG.getCopyToReg(Chain, V8::O6, Res); + + std::vector<MVT::ValueType> VTs(Op.Val->value_begin(), Op.Val->value_end()); + std::vector<SDOperand> Ops; + Ops.push_back(Res); + Ops.push_back(Chain); + return DAG.getNode(ISD::MERGE_VALUES, VTs, Ops); + } + } } MachineBasicBlock * diff --git a/lib/Target/SparcV8/SparcV8ISelDAGToDAG.cpp b/lib/Target/SparcV8/SparcV8ISelDAGToDAG.cpp index 85c69c6..c67b5aa 100644 --- a/lib/Target/SparcV8/SparcV8ISelDAGToDAG.cpp +++ b/lib/Target/SparcV8/SparcV8ISelDAGToDAG.cpp @@ -136,6 +136,8 @@ SparcV8TargetLowering::SparcV8TargetLowering(TargetMachine &TM) setOperationAction(ISD::SELECT_CC, MVT::f32, Custom); setOperationAction(ISD::SELECT_CC, MVT::f64, Custom); + setOperationAction(ISD::DYNAMIC_STACKALLOC, MVT::i32, Custom); + // V8 has no intrinsics for these particular operations. setOperationAction(ISD::MEMMOVE, MVT::Other, Expand); setOperationAction(ISD::MEMSET, MVT::Other, Expand); @@ -699,7 +701,22 @@ LowerOperation(SDOperand Op, SelectionDAG &DAG) { return DAG.getNode(Opc, TrueVal.getValueType(), TrueVal, FalseVal, DAG.getConstant(CC, MVT::i32), CompareFlag); } - } + case ISD::DYNAMIC_STACKALLOC: { + SDOperand Chain = Op.getOperand(0); + SDOperand Size = Op.getOperand(1); + + SDOperand SP = DAG.getCopyFromReg(Chain, V8::O6, MVT::i32); + Chain = SP.getValue(1); + SDOperand Res = DAG.getNode(ISD::SUB, MVT::i32, SP, Size); + Chain = DAG.getCopyToReg(Chain, V8::O6, Res); + + std::vector<MVT::ValueType> VTs(Op.Val->value_begin(), Op.Val->value_end()); + std::vector<SDOperand> Ops; + Ops.push_back(Res); + Ops.push_back(Chain); + return DAG.getNode(ISD::MERGE_VALUES, VTs, Ops); + } + } } MachineBasicBlock * |