diff options
| -rw-r--r-- | llvm/lib/Support/APFloat.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/Support/APFloat.cpp b/llvm/lib/Support/APFloat.cpp index 7989e30afae..097986d3e7c 100644 --- a/llvm/lib/Support/APFloat.cpp +++ b/llvm/lib/Support/APFloat.cpp @@ -3377,7 +3377,9 @@ void APFloat::makeLargest(bool Negative) { // internal consistency. const unsigned NumUnusedHighBits = PartCount*integerPartWidth - semantics->precision; - significand[PartCount - 1] = ~integerPart(0) >> NumUnusedHighBits; + significand[PartCount - 1] = (NumUnusedHighBits < integerPartWidth) + ? (~integerPart(0) >> NumUnusedHighBits) + : 0; } /// Make this number the smallest magnitude denormal number in the given |
