Landing: 6a4982fb69c4

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Project / Subsystem

gcc / avr

Date

2026-09-01

Author

Georg-Johann Lay

Commit

6a4982fb69c42996c9b307bd3926a4d50e8638d8

Source

github

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Breaking

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project: gcc
subsystem: avr
patch_id: —
commit_hash: 6a4982fb69c42996c9b307bd3926a4d50e8638d8
source_type: github
headline: AVR: Implement 32-bit saturated fract multiplications.
tldr: AVR libgcc now supports 32-bit saturated fractional multiplications.
author: Georg-Johann Lay
outcome: committed
performance_win: false
breaking_change: false
series_id: —
series_parts: []
tags: • avr
• libgcc
• embedded
• arithmetic
discussion_id_link: —
bugzilla_pr: —
url: https://github.com/gcc-mirror/gcc/commit/6a4982fb69c42996c9b307bd3926a4d50e8638d8
date: 2026-09-01T00:00:00.000Z

This commit adds support for 32-bit saturated fractional multiplications (SQmode and USQmode) to libgcc for the AVR target. These new multiplication functions, __mulsq3 and __ssmulsq3, adhere to the default AVR ABI.