diff options
Diffstat (limited to 'executor/executor.cc')
| -rw-r--r-- | executor/executor.cc | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/executor/executor.cc b/executor/executor.cc index d5420e90c..2fa0c7530 100644 --- a/executor/executor.cc +++ b/executor/executor.cc @@ -1015,11 +1015,11 @@ void write_coverage_signal(cover_t* cov, uint32* signal_count_pos, uint32* cover bool prev_filter = true; for (uint32 i = 0; i < cov->size; i++) { cover_data_t pc = cover_data[i] + cov->pc_offset; - uint64 sig = pc & 0xFFFFFFFFFFFFF000; + uint64 sig = pc; if (use_cover_edges(pc)) { - // Only hash the lower 12 bits so the hash is - // independent of any module offsets. - sig |= (pc & 0xFFF) ^ (hash(prev_pc & 0xFFF) & 0xFFF); + // Only hash the lower 12 bits so the hash is independent of any module offsets. + const uint64 mask = (1 << 12) - 1; + sig ^= hash(prev_pc & mask) & mask; } bool filter = coverage_filter(pc); // Ignore the edge only if both current and previous PCs are filtered out |