Landing: 505e2ba224e0

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Project / Subsystem

gcc / gcc

Date

2026-03-10

Author

Richard Biener

Commit

505e2ba224e0b4c9fa133999376d1e1211e100ea

Source

github

Perf win

Yes

Breaking

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All attributes

project: gcc
subsystem: gcc
patch_id: —
commit_hash: 505e2ba224e0b4c9fa133999376d1e1211e100ea
source_type: github
headline: Simplify API for estimating peeling costs in vectorizer.
tldr: GCC simplifies the API and implementation of the function estimating loop peeling costs in the vectorizer.
author: Richard Biener
outcome: committed
performance_win: true
breaking_change: false
series_id: —
series_parts: []
tags: • vectorization
• optimization
• refactoring
discussion_id_link: —
bugzilla_pr: —
url: https://github.com/gcc-mirror/gcc/commit/505e2ba224e0b4c9fa133999376d1e1211e100ea
date: 2026-03-10T00:00:00.000Z

This commit simplifies the API and implementation of vect_get_known_peeling_cost in GCC’s vectorizer. The changes reflect the actual usage of the function, which primarily involves summing scalar loop copies using builtin_vectorization_cost. This reduces overhead by avoiding the unnecessary use of record_stmt_cost.