Landing: 9755c18f4ea2

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Project / Subsystem

gcc / lm32

Date

2026-05-11

Author

William D. Jones

Commit

9755c18f4ea201c7c5a00252a5ffefe5658cfa1a

Source

github

Perf win

Yes

Breaking

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All attributes

project: gcc
subsystem: lm32
patch_id: —
commit_hash: 9755c18f4ea201c7c5a00252a5ffefe5658cfa1a
source_type: github
headline: LM32: Enable LRA after testing showed minimal regressions
tldr: The LM32 architecture now enables live range splitting after testing showed few regressions.
author: William D. Jones
outcome: committed
performance_win: true
breaking_change: false
series_id: —
series_parts: []
tags: • LM32
• register allocation
• optimization
discussion_id_link: —
bugzilla_pr: —
url: https://github.com/gcc-mirror/gcc/commit/9755c18f4ea201c7c5a00252a5ffefe5658cfa1a
date: 2026-05-11T00:00:00.000Z

The LM32 architecture now enables live range splitting (LRA). LRA improves register allocation by splitting overly long variable live ranges, reducing register pressure and potentially improving performance. This change was made after testing showed minimal regressions.