Landing: 940432eaa242

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Project / Subsystem

gcc / aarch64

Date

2026-08-12

Author

Abhishek Kaushik

Commit

940432eaa242f4e050233feafbbf63fd2cf1b940

Source

github

Perf win

Yes

Breaking

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All attributes

project: gcc
subsystem: aarch64
patch_id: —
commit_hash: 940432eaa242f4e050233feafbbf63fd2cf1b940
source_type: github
headline: Add new absolute difference accumulate intrinsic.
tldr: New SVE/SME2.3 intrinsics for absolute difference accumulation are now supported on AArch64.
author: Abhishek Kaushik
outcome: committed
performance_win: true
breaking_change: false
series_id: —
series_parts: []
tags: • aarch64
• sve
• intrinsics
• vectorization
discussion_id_link: —
bugzilla_pr: —
url: https://github.com/gcc-mirror/gcc/commit/940432eaa242f4e050233feafbbf63fd2cf1b940
date: 2026-08-12T00:00:00.000Z

GCC now supports a set of new absolute difference accumulation intrinsics for the AArch64 architecture, specifically for SVE/SME2.3. These intrinsics, such as svabal_s16 and svabal_u64, allow for efficient computation of accumulated absolute differences on vector data.