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author | Chris Lattner <sabre@nondot.org> | 2005-01-20 18:50:39 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2005-01-20 18:50:39 +0000 |
commit | 5880b9fa3e964efdb5465fe740f1c7aaf054766a (patch) | |
tree | f6f61df3962c3781cf094fe700bd268a3a002009 /include/llvm/CodeGen | |
parent | 353c3e4981c735214e3d06dbc627a98517b9fcce (diff) | |
download | external_llvm-5880b9fa3e964efdb5465fe740f1c7aaf054766a.zip external_llvm-5880b9fa3e964efdb5465fe740f1c7aaf054766a.tar.gz external_llvm-5880b9fa3e964efdb5465fe740f1c7aaf054766a.tar.bz2 |
Eliminate the unimplemented ADDC/SUBB operations, add ADD_PARTS/SUB_PARTS instead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19713 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/CodeGen')
-rw-r--r-- | include/llvm/CodeGen/SelectionDAGNodes.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/include/llvm/CodeGen/SelectionDAGNodes.h b/include/llvm/CodeGen/SelectionDAGNodes.h index 37e0ed0..07bab5d 100644 --- a/include/llvm/CodeGen/SelectionDAGNodes.h +++ b/include/llvm/CodeGen/SelectionDAGNodes.h @@ -101,10 +101,12 @@ namespace ISD { // state. SETCC, - // addc - Three input, two output operator: (X, Y, C) -> (X+Y+C, - // Cout). X,Y are integer inputs of agreeing size, C is a one bit - // value, and two values are produced: the sum and a carry out. - ADDC, SUBB, + // ADD_PARTS/SUB_PARTS - These operators take two logical operands which are + // broken into a multiple pieces each, and return the resulting pieces of + // doing an atomic add/sub operation. This is used to handle add/sub of + // expanded types. The operation ordering is: + // [Lo,Hi] = op [LoLHS,HiLHS], [LoRHS,HiRHS] + ADD_PARTS, SUB_PARTS, // Conversion operators. These are all single input single output // operations. For all of these, the result type must be strictly |