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BFM-decomp/docs
Drew T 6e181db771 feat(phase-30 S6f): B-shaped wave — Haiku drafts, Opus closes, +544 members (R22 140/140)
- POOL (derived from the regenerated map): 36 families / 28,829 templatable ins, kind=modal (no
  member matched ANYWHERE so no sweep could reach them), >=20 members, <=60 ins, non-jr, and NOT
  ONE exemplar in ov_SC01_077. Hand-calibrated 3/3 one-shot before scaling (Phase-15/18 discipline).
- WAVE (ultracode; Haiku drafters + Opus escalation, 24 targets): 31 agents, 0 errors, ~2.0M tokens,
  12.5 min. Agents claimed 24/24 MATCH; the whole-binary gate banked 20/24 (83%); propagation
  +524 members / 0 failed / 91 overlays. 17 of 20 banks were HAIKU, 3 Opus — the
  cheap-tier-ab-validated call (Haiku == Opus at <=~50 ins, ~4.8x cheaper) held on real work.
- WHAT OPUS BOUGHT: (1) a `sh` of a constant with the stored width's top bit set needs a u16
  destination — via s16 gcc folds it sign-extended and li emits addiu, via u16 force_fit_type keeps
  it positive and li emits ori; (2) a schedule-reorder closed by STATEMENT ORDER not the permuter
  (gcc's list scheduler preserves relative order of disambiguable stores); (3) three loose-typing
  fn-ptr casts a cheap drafter had misread as delay-slot/permuter residuals.
- MY ERROR (R37/R14): I generated the manifest to .run/s6f_wave_targets.json then HAND-TRANSCRIBED
  the args into the Workflow call, pattern-filling _jr_8017BEBC across overlays where no such split
  exists (corpus.stubs says _jr_8017AE2C). Three agents lost time rediscovering real paths. The gate
  driver written after (.run/s6f_gate.py) DERIVES every TU/split from corpus.stubs and asserts
  nothing. Assert nothing you can derive.
- The 24->20 gap is the known match_one->gate gap (standalone compile cannot see a TU decl conflict;
  Phase 19 measured 88-92% -> 60-71%). 4 carried: func_8018584C, func_80180A4C, func_8017CC80,
  func_80189B78.
- R22 clean-fleet 140/140. Fleet 95.13% fn-count / 92.0% instr / 84.9% distinct
  (phase opened 92.00 / 87.5 / 78.0).
2026-08-01 19:17:18 -06:00
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