add a new Push2 opcode for targets (like cellspu) which have

ridiculously ginormous patterns and need more than one byte
of displacement for encodings.  This fixes CellSPU/fdiv.ll.
SPU is still doing something else ridiculous though.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96833 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 14 insertions, 1 deletions

diff --git a/include/llvm/CodeGen/DAGISelHeader.h b/include/llvm/CodeGen/DAGISelHeader.h
index 0ebb9f10f6..29d66f5995 100644
--- a/include/llvm/CodeGen/DAGISelHeader.h
+++ b/include/llvm/CodeGen/DAGISelHeader.h
@@ -201,7 +201,7 @@ GetInt8(const unsigned char *MatcherTable, unsigned &Idx) {
 }
 
 enum BuiltinOpcodes {
-  OPC_Push,
+  OPC_Push, OPC_Push2,
   OPC_RecordNode,
   OPC_RecordMemRef,
   OPC_CaptureFlagInput,
@@ -359,6 +359,19 @@ SDNode *SelectCodeCommon(SDNode *NodeToMatch, const unsigned char *MatcherTable,
       MatchScopes.push_back(NewEntry);
       continue;
     }
+    case OPC_Push2: {
+      unsigned NumToSkip = GetInt2(MatcherTable, MatcherIndex);
+      MatchScope NewEntry;
+      NewEntry.FailIndex = MatcherIndex+NumToSkip;
+      NewEntry.NodeStackSize = NodeStack.size();
+      NewEntry.NumRecordedNodes = RecordedNodes.size();
+      NewEntry.NumMatchedMemRefs = MatchedMemRefs.size();
+      NewEntry.InputChain = InputChain;
+      NewEntry.InputFlag = InputFlag;
+      NewEntry.HasChainNodesMatched = !ChainNodesMatched.empty();
+      MatchScopes.push_back(NewEntry);
+      continue;
+    }
     case OPC_RecordNode:
       // Remember this node, it may end up being an operand in the pattern.
       RecordedNodes.push_back(N);