Landing: 97a9a23a0ad2

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Project / Subsystem

gcc / libstdc++

Date

2026-03-05

Author

Matthias Kretz

Commit

97a9a23a0ad2ad9acce117954908cdd5008cbc45

Source

github

Perf win

Yes

Breaking

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All attributes

project: gcc
subsystem: libstdc++
patch_id: —
commit_hash: 97a9a23a0ad2ad9acce117954908cdd5008cbc45
source_type: github
headline: libstdc++: Add std::complex to SIMD vectorizable types
tldr: Complex number types now support SIMD vectorization, enabling vectorized operations.
author: Matthias Kretz
outcome: committed
performance_win: true
breaking_change: false
series_id: —
series_parts: []
tags: • libstdc++
• SIMD
• complex numbers
discussion_id_link: —
bugzilla_pr: —
url: https://github.com/gcc-mirror/gcc/commit/97a9a23a0ad2ad9acce117954908cdd5008cbc45
date: 2026-03-05T00:00:00.000Z

This commit introduces support for std::complex types within the SIMD vectorization framework. While operations like multiplication and addition are trivially handled using scalar functions, division is not yet implemented. The implementation allows for basic SIMD operations on complex numbers, expanding the utility of SIMD for complex-valued computations.