Landing: a9883211f889
Project / Subsystem
gcc / gcc
Date
2026-05-12
Author
Richard Biener
Commit
a9883211f8891a3cb5966cbe2fbec35e25631d83
Source
github
Perf win
Yes
Breaking
No
All attributes
- project
- gcc
- subsystem
- gcc
- patch_id
- —
- commit_hash
- a9883211f8891a3cb5966cbe2fbec35e25631d83
- source_type
- github
- headline
- Avoid setting ls_type when unused
- tldr
- The compiler now avoids setting `ls_type` unnecessarily in vectorization, improving efficiency.
- author
- Richard Biener
- outcome
- committed
- performance_win
- true
- breaking_change
- false
- series_id
- —
- series_parts
- []
- tags
-
- • optimization
- • vectorization
- discussion_id_link
- —
- bugzilla_pr
- —
- date
- 2026-05-12T00:00:00.000Z
This commit optimizes vectorization by avoiding setting the ls_type on loads/stores when the type isn’t actually used. The change modifies get_load_store_type in tree-vect-stmts.cc to only set ls_type when vect_use_grouped_gather succeeds.