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Cherry-picked optimization improvements from Peter Ferrie's PR #42: - Move sec out of hot path (set once instead of repeatedly) - Replace jmp with bne (2 cycles vs 3) - Eliminate redundant branching in .src3A - Reorder instructions to avoid pipeline stalls This provides measurable speedup in the decompression loop which runs frequently during game loading. Original commit: b258ed4 by Peter Ferrie Co-Authored-By: Claude <[email protected]>
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I've extracted the decompression speedup optimization from this PR into a new branch: The optimization includes:
This is a clean cherry-pick of the decomp.s improvements without the other outdated changes in this PR. See commit 4a0615c. Thanks @peterferrie for the optimization! |
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