Landing: 21d8d36e3e7b

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Project / Subsystem

gcc / avr

Date

2026-08-12

Author

Georg-Johann Lay

Commit

21d8d36e3e7b4255d9a62a85109d47cc67de0461

Source

github

Perf win

Breaking

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All attributes

project: gcc
subsystem: avr
patch_id: —
commit_hash: 21d8d36e3e7b4255d9a62a85109d47cc67de0461
source_type: github
headline: AVR: Tidy round insns for 1- and 2-byte modes
tldr: Cleans up GCC's AVR backend by unifying mode iterators for rounding instructions.
author: Georg-Johann Lay
outcome: committed
performance_win: false
breaking_change: false
series_id: —
series_parts: []
tags: • AVR
• cleanup
• backend
discussion_id_link: —
bugzilla_pr: —
url: https://github.com/gcc-mirror/gcc/commit/21d8d36e3e7b4255d9a62a85109d47cc67de0461
date: 2026-08-12T00:00:00.000Z

This commit tidies up the GCC AVR backend’s instruction patterns for rounding operations. It replaces separate mode iterators (ALL1Q, ALL2QA) with a combined iterator (ALL12QA) for 1- and 2-byte modes, simplifying the machine description and potentially improving maintainability.