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| author | dim <dim@FreeBSD.org> | 2011-10-20 21:10:27 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2011-10-20 21:10:27 +0000 |
| commit | 7b3392326c40c3c20697816acae597ba7b3144eb (patch) | |
| tree | 2cbcf22585e99f8a87d12d5ff94f392c0d266819 /utils/TableGen/CodeEmitterGen.cpp | |
| parent | 1176aa52646fe641a4243a246aa7f960c708a274 (diff) | |
| download | FreeBSD-src-7b3392326c40c3c20697816acae597ba7b3144eb.zip FreeBSD-src-7b3392326c40c3c20697816acae597ba7b3144eb.tar.gz | |
Vendor import of llvm release_30 branch r142614:
http://llvm.org/svn/llvm-project/llvm/branches/release_30@142614
Diffstat (limited to 'utils/TableGen/CodeEmitterGen.cpp')
| -rw-r--r-- | utils/TableGen/CodeEmitterGen.cpp | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/utils/TableGen/CodeEmitterGen.cpp b/utils/TableGen/CodeEmitterGen.cpp index d828dfc..c5a1526 100644 --- a/utils/TableGen/CodeEmitterGen.cpp +++ b/utils/TableGen/CodeEmitterGen.cpp @@ -15,7 +15,7 @@ #include "CodeEmitterGen.h" #include "CodeGenTarget.h" -#include "Record.h" +#include "llvm/TableGen/Record.h" #include "llvm/ADT/StringExtras.h" #include "llvm/Support/CommandLine.h" #include "llvm/Support/Debug.h" @@ -41,19 +41,23 @@ void CodeEmitterGen::reverseBits(std::vector<Record*> &Insts) { BitsInit *BI = R->getValueAsBitsInit("Inst"); unsigned numBits = BI->getNumBits(); - BitsInit *NewBI = new BitsInit(numBits); + + SmallVector<Init *, 16> NewBits(numBits); + for (unsigned bit = 0, end = numBits / 2; bit != end; ++bit) { unsigned bitSwapIdx = numBits - bit - 1; Init *OrigBit = BI->getBit(bit); Init *BitSwap = BI->getBit(bitSwapIdx); - NewBI->setBit(bit, BitSwap); - NewBI->setBit(bitSwapIdx, OrigBit); + NewBits[bit] = BitSwap; + NewBits[bitSwapIdx] = OrigBit; } if (numBits % 2) { unsigned middle = (numBits + 1) / 2; - NewBI->setBit(middle, BI->getBit(middle)); + NewBits[middle] = BI->getBit(middle); } + BitsInit *NewBI = BitsInit::get(NewBits); + // Update the bits in reversed order so that emitInstrOpBits will get the // correct endianness. R->getValue("Inst")->setValue(NewBI); |
