Landing: 4c136e1d333b

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Project / Subsystem

gcc / gcc

Date

2026-08-13

Author

Richard Biener

Commit

4c136e1d333bc4cf142adbb17d644d5ded5afe63

Source

github

Perf win

Yes

Breaking

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All attributes

project: gcc
subsystem: gcc
patch_id: —
commit_hash: 4c136e1d333bc4cf142adbb17d644d5ded5afe63
source_type: github
headline: Vector integer support added to double-conversion patterns.
tldr: GCC now supports vector integer types in double-conversion patterns.
author: Richard Biener
outcome: committed
performance_win: true
breaking_change: false
series_id: —
series_parts: []
tags: • vectorization
• optimization
discussion_id_link: —
bugzilla_pr: —
url: https://github.com/gcc-mirror/gcc/commit/4c136e1d333bc4cf142adbb17d644d5ded5afe63
date: 2026-08-13T00:00:00.000Z

GCC’s double-conversion patterns have been expanded to support integer vectors, in addition to existing float vector support. This change simplifies the supportable_convert_operation by removing an unused argument and adds necessary guards to ensure correct pattern matching for vector types.