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Fix big-endian codegen bug. We're splitting up

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overly long ints, e.g. i96, into pieces at PHIs
and the nodes that feed into them; however big-endian
reverses the order of the pieces (for some reason), and
wasn't doing it the same way on both sides, so
the pieces didn't match and runtime failures ensued.
Fixes 188.ammp and sqlite3 on ppc32.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65481 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dale Johannesen 2009-02-25 22:39:13 +00:00
parent 053372dc3c
commit 8a36f509cd
1 changed files with 2 additions and 1 deletions
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3
lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
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@ -576,6 +576,7 @@ static void getCopyToParts(SelectionDAG &DAG, DebugLoc dl, SDValue Val,
MVT PtrVT = TLI.getPointerTy();
MVT ValueVT = Val.getValueType();
unsigned PartBits = PartVT.getSizeInBits();
unsigned OrigNumParts = NumParts;
assert(TLI.isTypeLegal(PartVT) && "Copying to an illegal type!");
if (!NumParts)
@ -673,7 +674,7 @@ static void getCopyToParts(SelectionDAG &DAG, DebugLoc dl, SDValue Val,
}
if (TLI.isBigEndian())
std::reverse(Parts, Parts + NumParts);
std::reverse(Parts, Parts + OrigNumParts);
return;
}