KarpelesLab / goro / 25773489002

13%

Build Type

push

github

Committed by MagicalTux

Commit Message

vm: int fast paths for OpIncLocal/OpDecLocal and their post-forms

++\$i / --\$i / \$i++ / \$i-- on int locals — the common for-loop step
shape — were calling the generic incDecLocal which goes through
DoInc's full type switch. Inline the int+1 / int-1 path: load slot,
overflow-check, store slot (and hashtable on slot-unsafe bodies),
push the right value. Mixed types fall through to the generic path.

Arithmetic benchmark improves from 2.82x to 3.43x against AST.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

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