diff options
| author | Jim Grosbach <grosbach@apple.com> | 2011-03-01 01:37:19 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2011-03-01 01:37:19 +0000 |
| commit | 2d76c84514216f51526f2be123315f585995d860 (patch) | |
| tree | 363f542ff0cd43bf84a798053bca8660334d0c07 /lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | |
| parent | a656b63ee4d5b0e3f4d26a55dd4cc69795746684 (diff) | |
| download | external_llvm-2d76c84514216f51526f2be123315f585995d860.zip external_llvm-2d76c84514216f51526f2be123315f585995d860.tar.gz external_llvm-2d76c84514216f51526f2be123315f585995d860.tar.bz2 | |
Generalize the register matching code in DAGISel a bit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126731 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp index 68ba966..5b0790f 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp @@ -2392,6 +2392,18 @@ SelectCodeCommon(SDNode *NodeToMatch, const unsigned char *MatcherTable, CurDAG->getRegister(RegNo, VT), (SDNode*)0)); continue; } + case OPC_EmitRegister2: { + // For targets w/ more than 256 register names, the register enum + // values are stored in two bytes in the matcher table (just like + // opcodes). + MVT::SimpleValueType VT = + (MVT::SimpleValueType)MatcherTable[MatcherIndex++]; + unsigned RegNo = MatcherTable[MatcherIndex++]; + RegNo |= MatcherTable[MatcherIndex++] << 8; + RecordedNodes.push_back(std::pair<SDValue, SDNode*>( + CurDAG->getRegister(RegNo, VT), (SDNode*)0)); + continue; + } case OPC_EmitConvertToTarget: { // Convert from IMM/FPIMM to target version. |