benchmark/05_prep_freq_change: second poll-site function, reference-C only

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FUN_0000d10c @ 0xd10c (49 insts) contains poll site 11.
Semantically decoded as a PHY-side prologue for frequency-change
handshake: saves current state of one PHY CTL + four secondary-table
entries, waits for PHY firmware to reach state 1 (idle).

Matching-decomp iteration deferred vs the clean first lift (d328) —
d10c's two-base-pointer csel pattern plus parity-dependent offset
chain gives GCC too much register-allocation freedom. Getting to
>=90% byte-match would be an afternoon of iteration; time better
spent expanding pre-UART coverage breadth.

Poll-site coverage so far:
  d328: sites 12, 13, 14, 15 (C candidate at 89.7% size match)
  d10c: site 11 (reference C only, no matching iteration)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

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This commit is contained in:

Markus Fritsche

2026-04-15 08:14:00 +02:00

parent 06d3d0d726

commit 282d23fff7

4 changed files with 209 additions and 0 deletions

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