Try harder to get a consistent floating point results.

This just extends the existing hack. It should be enough to get a reproducible bootstrap
on 32 bits.

I will open a bug to track getting a real fix for this.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196462 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2013-12-05 04:14:33 +00:00
parent 688aa71e35
commit ba2a226fab

View File

@ -2351,7 +2351,7 @@ bool SelectionDAGBuilder::handleBTSplitSwitchCase(CaseRec& CR,
volatile double RDensity =
(double)RSize.roundToDouble() /
(Last - RBegin + 1ULL).roundToDouble();
double Metric = Range.logBase2()*(LDensity+RDensity);
volatile double Metric = Range.logBase2()*(LDensity+RDensity);
// Should always split in some non-trivial place
DEBUG(dbgs() <<"=>Step\n"
<< "LEnd: " << LEnd << ", RBegin: " << RBegin << '\n'