micheleandClaude Sonnet 5
313a1994a4
Builds tools/run_regression.py (no reproducible regression script existed before -- every prior "N testbenches, all pass" claim was assembled by hand). Resolves each testbench's dependencies by static analysis of instantiation sites, not from memory, then compiles+runs everything fresh. Independently re-verifies the 33-testbench regression clean (0 real failures) after fixing two false negatives in the harness itself (two tests are deliberate compile-time-failure negative tests, one file is a benchmark with no pass/fail verdict by design -- confirmed by reading each file's own header, not assumed). Findings recorded in docs/validation/: sim/top.v is dead code (references a removed FRAC_BITS parameter from the pre-INT8 Q8.8 era); mac_unit.v/ mac8.v have no dedicated unit testbench, only indirect coverage; the N_INPUTS%PARALLEL elaboration guard does not mathematically cover N_INPUTS=0 (open finding, not yet confirmed reachable -- BUG-002). Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_013xXuuRUWZScuo1DeYJxs3v