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344b0dd049
The other half of the FP/SIMD addressing gap: LDR/STR B/H/S/D/Q had unsigned-offset and (since the last commit) register-offset forms, but no writeback. Twenty new table rows -- pre-indexed and post-indexed across the five widths, V=1 with the same imm9 encodings the integer forms use, base opcodes confirmed against llvm-mc. Blobs regenerated; builders unchanged. Pipeline tests: all twenty llvm-mc golden words, with a decode -> print round-trip matching llvm's canonical spelling. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01AFeLCDKi5kRMtHrskUaRfw