Landing: 41b68b76bc71

Project / Subsystem

gcc / risc-v

Date

2026-08-01

Author

Pan Li

Commit

41b68b76bc718733bb501e7f4a0afc1ec57db8d0

Source

github

Perf win

No

Breaking

No

All attributes

project
gcc
subsystem
risc-v
patch_id
—
commit_hash
41b68b76bc718733bb501e7f4a0afc1ec57db8d0
source_type
github
headline
RISC-V: Add test cases for vwsubu.vv register overlap
tldr
New test cases verify register overlap behavior for RISC-V vwsubu.vv vector instructions.
author
Pan Li
outcome
committed
performance_win
false
breaking_change
false
series_id
—
series_parts
[]
tags
  • • risc-v
  • • vector
  • • testing
discussion_id_link
—
bugzilla_pr
—
date
2026-08-01T00:00:00.000Z

This commit adds a suite of test cases to verify the behavior of the vwsubu.vv (unsigned widening subtract) RISC-V vector instruction when register groups overlap. The tests cover various data types and vector lengths to ensure correct operation under these specific conditions.