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| author | Richard Smith <richard-llvm@metafoo.co.uk> | 2012-08-24 23:29:28 +0000 |
|---|---|---|
| committer | Richard Smith <richard-llvm@metafoo.co.uk> | 2012-08-24 23:29:28 +0000 |
| commit | 1144af3c9b4da48cd581156e05b24261c8de366a (patch) | |
| tree | 49da576a97bfdab702528643450798baa54c790f /lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp | |
| parent | cac59d8ae815596f4f6b77d1a5414c0591168ea5 (diff) | |
| download | external_llvm-1144af3c9b4da48cd581156e05b24261c8de366a.zip external_llvm-1144af3c9b4da48cd581156e05b24261c8de366a.tar.gz external_llvm-1144af3c9b4da48cd581156e05b24261c8de366a.tar.bz2 | |
Fix integer undefined behavior due to signed left shift overflow in LLVM.
Reviewed offline by chandlerc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162623 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp')
| -rw-r--r-- | lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp b/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp index d175e3e..413142e 100644 --- a/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp +++ b/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp @@ -137,7 +137,7 @@ void PPCInstPrinter::printPredicateOperand(const MCInst *MI, unsigned OpNo, void PPCInstPrinter::printS5ImmOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O) { char Value = MI->getOperand(OpNo).getImm(); - Value = (Value << (32-5)) >> (32-5); + Value = SignExtend32<5>(Value); O << (int)Value; } |