Landing: 2dbd6da80629

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Project / Subsystem

gcc / aarch64

Date

2026-09-16

Author

Tamar Christina

Commit

2dbd6da80629584645fa2ca250569b89f3c8b653

Source

github

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Breaking

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All attributes

project: gcc
subsystem: aarch64
patch_id: —
commit_hash: 2dbd6da80629584645fa2ca250569b89f3c8b653
source_type: github
headline: AArch64: Fix macro cleanups for SME builtins
tldr: Cleans up macro undefinitions for AArch64 SME builtins to prevent conflicts.
author: Tamar Christina
outcome: committed
performance_win: false
breaking_change: false
series_id: —
series_parts: []
tags: • aarch64
• gcc
• SME
• macros
• build system
discussion_id_link: —
bugzilla_pr: —
url: https://github.com/gcc-mirror/gcc/commit/2dbd6da80629584645fa2ca250569b89f3c8b653
date: 2026-09-16T00:00:00.000Z

This commit addresses an issue with macro management for AArch64 Scalable Matrix Extension (SME) builtins. It ensures that all macros defined within a .def file are properly undefined at the end of the file’s inclusion. This prevents macro leakage and potential conflicts when subsequent .def files are processed. Specifically, the DEF_SME_FUNCTION_GS macro was missing its corresponding undef directive.