Landing: 971cf551df31

Project / Subsystem

binutils / s390

Date

2026-10-02

Author

Jens Remus <jremus@sourceware.org>

Commit

971cf551df3144b13c8465a448153db3c875891e

Source

public_inbox

Perf win

No

Breaking

No

All attributes

project
binutils
subsystem
s390
patch_id
—
commit_hash
971cf551df3144b13c8465a448153db3c875891e
source_type
public_inbox
headline
s390: Rename instruction format RRR_F0FF to RRF_F0FF
tldr
s390 instruction format RRR_F0FF is renamed to RRF_F0FF to align with newer architecture specifications.
author
Jens Remus <jremus@sourceware.org>
outcome
committed
performance_win
false
breaking_change
false
series_id
—
series_parts
[]
tags
  • • s390
  • • instruction format
  • • assembler
discussion_id_link
—
bugzilla_pr
—
date
2026-10-02T00:00:00.000Z

The s390 assembler’s RRR_F0FF instruction format has been renamed to RRF_F0FF. This change aligns with the architectural evolution where the RRR format was merged into RRF-a starting with the IBM z196. Instructions such as adtr, ddtr, mdtr, and sdtr are updated to reflect this new format name.