Landing: 8080c7750f4c

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Project / Subsystem

gcc / avr

Date

2026-07-21

Author

Georg-Johann Lay

Commit

8080c7750f4c3383036cef8e5f3344929dcb7e97

Source

github

Perf win

Breaking

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project: gcc
subsystem: avr
patch_id: —
commit_hash: 8080c7750f4c3383036cef8e5f3344929dcb7e97
source_type: github
headline: AVR: Implement 64-bit fixed-point multiplications in libgcc.
tldr: Added 64-bit fixed-point multiplication functions to AVR libgcc.
author: Georg-Johann Lay
outcome: committed
performance_win: false
breaking_change: false
series_id: —
series_parts: []
tags: • avr
• libgcc
• fixed-point
• multiplication
• embedded
discussion_id_link: —
bugzilla_pr: —
url: https://github.com/gcc-mirror/gcc/commit/8080c7750f4c3383036cef8e5f3344929dcb7e97
date: 2026-07-21T00:00:00.000Z

This patch introduces support for 64-bit fixed-point multiplications to the libgcc library for the AVR microcontroller architecture. It includes both standard and saturating versions of these multiplication functions, along with necessary assembly definitions and a new test case.