Changes in directory llvm/lib/ExecutionEngine/Interpreter:
Execution.cpp updated: 1.160 -> 1.161 --- Log message: Make shl instruction mask its result to the correct bitsize. This is sufficient to get llvm-test/SingleSource/UnitTests/Integer/general-test.ll working with lli in interpreter mode. --- Diffs of the changes: (+10 -5) Execution.cpp | 15 ++++++++++----- 1 files changed, 10 insertions(+), 5 deletions(-) Index: llvm/lib/ExecutionEngine/Interpreter/Execution.cpp diff -u llvm/lib/ExecutionEngine/Interpreter/Execution.cpp:1.160 llvm/lib/ExecutionEngine/Interpreter/Execution.cpp:1.161 --- llvm/lib/ExecutionEngine/Interpreter/Execution.cpp:1.160 Wed Jan 17 19:25:42 2007 +++ llvm/lib/ExecutionEngine/Interpreter/Execution.cpp Wed Jan 17 19:32:46 2007 @@ -1187,15 +1187,20 @@ GenericValue Dest; if (const IntegerType *ITy = cast<IntegerType>(Ty)) { unsigned BitWidth = ITy->getBitWidth(); - if (BitWidth <= 8) + uint32_t BitMask = (1ull << BitWidth) - 1; + if (BitWidth <= 8) { Dest.Int8Val = ((uint8_t)Src1.Int8Val) << ((uint32_t)Src2.Int8Val); - else if (BitWidth <= 16) + Dest.Int8Val &= BitMask; + } else if (BitWidth <= 16) { Dest.Int16Val = ((uint16_t)Src1.Int16Val) << ((uint32_t)Src2.Int8Val); - else if (BitWidth <= 32) + Dest.Int16Val &= BitMask; + } else if (BitWidth <= 32) { Dest.Int32Val = ((uint32_t)Src1.Int32Val) << ((uint32_t)Src2.Int8Val); - else if (BitWidth <= 64) + Dest.Int32Val &= BitMask; + } else if (BitWidth <= 64) { Dest.Int64Val = ((uint64_t)Src1.Int64Val) << ((uint32_t)Src2.Int8Val); - else { + Dest.Int64Val &= BitMask; + } else { cerr << "Integer types > 64 bits not supported: " << *Ty << "\n"; abort(); } _______________________________________________ llvm-commits mailing list llvm-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits