diff options
| author | Richard Osborne <richard@xmos.com> | 2009-01-15 11:32:30 +0000 |
|---|---|---|
| committer | Richard Osborne <richard@xmos.com> | 2009-01-15 11:32:30 +0000 |
| commit | cfb1ae87c676b9d2f4b7c86506c99ab314300ec0 (patch) | |
| tree | 8da2ad631d62d1aaeffd8bf818c2c1bfb2f6e3bd /lib | |
| parent | 62db116933dbc2ac61389329c39ccd00d15f066b (diff) | |
Don't fold address calculations which use negative offsets into
the ADDRspii addressing mode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62258 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/XCore/XCoreISelDAGToDAG.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Target/XCore/XCoreISelDAGToDAG.cpp b/lib/Target/XCore/XCoreISelDAGToDAG.cpp index 28b501de7d..684ef0bf12 100644 --- a/lib/Target/XCore/XCoreISelDAGToDAG.cpp +++ b/lib/Target/XCore/XCoreISelDAGToDAG.cpp @@ -92,8 +92,8 @@ bool XCoreDAGToDAGISel::SelectADDRspii(SDValue Op, SDValue Addr, ConstantSDNode *CN = 0; if ((FIN = dyn_cast<FrameIndexSDNode>(Addr.getOperand(0))) && (CN = dyn_cast<ConstantSDNode>(Addr.getOperand(1))) - && (CN->getSExtValue() % 4 == 0)) { - // Constant word offset from frame pointer + && (CN->getSExtValue() % 4 == 0 && CN->getSExtValue() >= 0)) { + // Constant positive word offset from frame index Base = CurDAG->getTargetFrameIndex(FIN->getIndex(), MVT::i32); Offset = CurDAG->getTargetConstant(CN->getSExtValue(), MVT::i32); return true; |