6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-12-28 04:33:05 +00:00
Code Issues Projects Releases Wiki Activity

Fix a bug in the soft-float handling of FCOPYSIGN that Duncan noticed

Browse Source 
when working on legalizetypes.  Both legalizetypes and legalizeops now
produce hte same code for CodeGen/ARM/fcopysign.ll.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53435 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2008-07-10 23:46:13 +00:00
parent 70587ea813
commit c563e1d8fe
1 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
View File

@ -547,8 +547,11 @@ SDOperand ExpandFCOPYSIGNToBitwiseOps(SDNode *Node, MVT NVT,
SignBit = DAG.getNode(ISD::SRL, SrcNVT, SignBit,
DAG.getConstant(SizeDiff, TLI.getShiftAmountTy()));
SignBit = DAG.getNode(ISD::TRUNCATE, NVT, SignBit);
} else if (SizeDiff < 0)
SignBit = DAG.getNode(ISD::SIGN_EXTEND, NVT, SignBit);
} else if (SizeDiff < 0) {
SignBit = DAG.getNode(ISD::ZERO_EXTEND, NVT, SignBit);
SignBit = DAG.getNode(ISD::SHL, NVT, SignBit,
DAG.getConstant(-SizeDiff, TLI.getShiftAmountTy()));
}
// Clear the sign bit of first operand.
SDOperand Mask2 = (VT == MVT::f64)