Landing: 4d9b51c8cb13

Project / Subsystem

gcc / gccrs

Date

2026-08-17

Author

Philip Herron

Commit

4d9b51c8cb13177913bb1bf8dac73b9d1d5db015

Source

github

Perf win

Yes

Breaking

No

All attributes

project
gcc
subsystem
gccrs
patch_id
—
commit_hash
4d9b51c8cb13177913bb1bf8dac73b9d1d5db015
source_type
github
headline
Support `repr(simd)` for GCC vector types
tldr
Rust compiler (gccrs) now supports `repr(simd)` to define GCC vector types.
author
Philip Herron
outcome
committed
performance_win
true
breaking_change
false
series_id
—
series_parts
[]
tags
  • • gccrs
  • • rust
  • • simd
  • • vectorization
discussion_id_link
—
bugzilla_pr
—
date
2026-08-17T00:00:00.000Z

The GCC Rust compiler (gccrs) has been updated to support the repr(simd) attribute. This allows Rust code to define types that map to GCC’s vector types, enabling the use of SIMD (Single Instruction, Multiple Data) operations through the compiler’s backend. This change enhances gccrs’s ability to leverage hardware acceleration for vectorized computations.