Landing: a19952e8fc0c

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Project / Subsystem

gcc / tree-ssa-threadbackward

Date

2026-09-09

Author

Aldy Hernandez

Commit

a19952e8fc0c372097d11017c79a02519c220f7f

Source

github

Perf win

Breaking

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All attributes

project: gcc
subsystem: tree-ssa-threadbackward
patch_id: —
commit_hash: a19952e8fc0c372097d11017c79a02519c220f7f
source_type: github
headline: backthreader: dump the profitability path in one place
tldr: Backthreader's profitability path dumping is consolidated for easier code modification.
author: Aldy Hernandez
outcome: committed
performance_win: false
breaking_change: false
series_id: —
series_parts: []
tags: • debugging
• refactor
• backthreader
discussion_id_link: —
bugzilla_pr: —
url: https://github.com/gcc-mirror/gcc/commit/a19952e8fc0c372097d11017c79a02519c220f7f
date: 2026-09-09T00:00:00.000Z

The logic for dumping the profitability path in the backthreader pass has been moved to occur after the instruction counting loop, rather than interleaving with it. This reorganization simplifies modifications to the counting loop and prepares for the return of per-block statistics.