Landing: 154b617860ab

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Project / Subsystem

gcc / avr

Date

2026-09-10

Author

Georg-Johann Lay

Commit

154b617860ab6ae8e44667782c7bb5dcdb29a7af

Source

github

Perf win

Breaking

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All attributes

project: gcc
subsystem: avr
patch_id: —
commit_hash: 154b617860ab6ae8e44667782c7bb5dcdb29a7af
source_type: github
headline: AVR: Tag object files with double/long double ABI attributes.
tldr: AVR libgcc now tags object files with ABI attributes for double and long double sizes.
author: Georg-Johann Lay
outcome: committed
performance_win: false
breaking_change: false
series_id: —
series_parts: []
tags: • avr
• libgcc
• abi
discussion_id_link: —
bugzilla_pr: —
url: https://github.com/gcc-mirror/gcc/commit/154b617860ab6ae8e44667782c7bb5dcdb29a7af
date: 2026-09-10T00:00:00.000Z

The AVR backend now tags object files with .gnu_attribute 8 for double and .gnu_attribute 12 for long double. This follows the compiler’s practice of only tagging units where these types are actively used, addressing a PR for incorrect ABI handling.