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Summary: In order to support big endian targets for the BuildPairF64 nodes we just need to swap the low/high pair registers. Additionally, for the ExtractElementF64 nodes we have to calculate the correct stack offset with respect to the node's register/operand that we want to extract. Reviewers: dsanders Reviewed By: dsanders Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D5753 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219931 91177308-0d34-0410-b5e6-96231b3b80d8
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