Landing: a87ea5b3cfc0

Project / Subsystem

gcc / risc-v

Date

2026-09-03

Author

Pan Li

Commit

a87ea5b3cfc0a680c25865a83c1380ffb8bd72b2

Source

github

Perf win

No

Breaking

No

All attributes

project
gcc
subsystem
risc-v
patch_id
—
commit_hash
a87ea5b3cfc0a680c25865a83c1380ffb8bd72b2
source_type
github
headline
RISC-V: Add test cases for vwmaccu.vx undef register overlap
tldr
New test cases verify register overlap for vwmaccu.vx undef in RISC-V vector operations.
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
2026-09-03T00:00:00.000Z

This commit introduces several new test cases for the RISC-V vector extension, specifically targeting the vwmaccu.vx instruction with undefined register overlap. These tests ensure correct behavior when register groups overlap, which can occur during instruction combining.