-void BranchProbability::print(raw_ostream &OS) const {
- OS << N << " / " << D << " = " << format("%g%%", ((double)N / D) * 100.0);
+const uint32_t BranchProbability::D;
+
+raw_ostream &BranchProbability::print(raw_ostream &OS) const {
+ // Get a percentage rounded to two decimal digits. This avoids
+ // implementation-defined rounding inside printf.
+ double Percent = rint(((double)N / D) * 100.0 * 100.0) / 100.0;
+ OS << format("0x%08" PRIx32 " / 0x%08" PRIx32 " = %.2f%%", N, D, Percent);
+ return OS;