Landing: b1dadc61cd72
Project / Subsystem
gcc / match
Date
2026-08-22
Author
Andrea Pinski
Commit
b1dadc61cd727cc8760676a9f0190ebe5acbe39c
Source
github
Perf win
Yes
Breaking
No
All attributes
- project
- gcc
- subsystem
- match
- patch_id
- —
- commit_hash
- b1dadc61cd727cc8760676a9f0190ebe5acbe39c
- source_type
- github
- headline
- match: Remove unused result captures to speed up compilation.
- tldr
- match: Optimizes pattern matching by removing unneeded result captures, slightly reducing compiler time.
- author
- Andrea Pinski
- outcome
- committed
- performance_win
- true
- breaking_change
- false
- series_id
- —
- series_parts
- []
- tags
-
- • optimization
- • compiler
- discussion_id_link
- —
- bugzilla_pr
- —
- date
- 2026-08-22T00:00:00.000Z
This commit removes several unused result captures from widening multiply matches in the match.pd file. By reducing the amount of data stored in result operands, these changes offer a slight improvement in compiler speed. The affected patterns include mul_carry_low_sum, mul_low_accum, and several mul_ladder_sum variations.