RPCS3/llvm
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm.git synced 2025-01-30 07:14:53 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Fix the construction of the magic constant for roundToIntegral to be 64-bit safe. Fixes c-torture/execute/990826-0.c

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161885 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson 2012-08-14 18:51:15 +00:00
parent f6933e6a18
commit d7a85b17bd
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
lib/Support/APFloat.cpp
View File

@ -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);