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| author | Owen Anderson <resistor@mac.com> | 2012-08-14 18:51:15 +0000 |
|---|---|---|
| committer | Owen Anderson <resistor@mac.com> | 2012-08-14 18:51:15 +0000 |
| commit | d7a85b17bdbb4cb3c3551e533d7b01984ad28a2f (patch) | |
| tree | 45f9f5120c13a961e397bbd71b98e2846a7d0e44 /lib | |
| parent | f6933e6a18e8b36aff63f0c15ddc627f8a610525 (diff) | |
| download | external_llvm-d7a85b17bdbb4cb3c3551e533d7b01984ad28a2f.zip external_llvm-d7a85b17bdbb4cb3c3551e533d7b01984ad28a2f.tar.gz external_llvm-d7a85b17bdbb4cb3c3551e533d7b01984ad28a2f.tar.bz2 | |
Fix the construction of the magic constant for roundToIntegral to be 64-bit safe. Fixes c-torture/execute/990826-0.c
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161885 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Support/APFloat.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Support/APFloat.cpp b/lib/Support/APFloat.cpp index 2139df5..5ea75a6 100644 --- a/lib/Support/APFloat.cpp +++ b/lib/Support/APFloat.cpp @@ -1774,8 +1774,8 @@ APFloat::opStatus APFloat::roundToIntegral(roundingMode rounding_mode) { // precision of our format, and then subtract it back off again. The choice // of rounding modes for the addition/subtraction determines the rounding mode // for our integral rounding as well. - APInt IntegerConstant(NextPowerOf2(semanticsPrecision(*semantics)), - 1 << (semanticsPrecision(*semantics)-1)); + APInt IntegerConstant(NextPowerOf2(semanticsPrecision(*semantics)), 1); + IntegerConstant <<= semanticsPrecision(*semantics)-1; APFloat MagicConstant(*semantics); fs = MagicConstant.convertFromAPInt(IntegerConstant, false, rmNearestTiesToEven); |