Landing: 45c17863e7f2
Project / Subsystem
binutils / s390
Date
2026-10-02
Author
Jens Remus <jremus@sourceware.org>
Commit
45c17863e7f2f7f7ad335580b66450d1277ab68b
Source
public_inbox
Perf win
No
Breaking
No
All attributes
- project
- binutils
- subsystem
- s390
- patch_id
- —
- commit_hash
- 45c17863e7f2f7f7ad335580b66450d1277ab68b
- source_type
- public_inbox
- headline
- s390: Rename instruction format RRF_FE0FF to RRD_FE0FF
- tldr
- s390 instruction format RRF_FE0FF is renamed to RRD_FE0FF to reflect architectural separation.
- 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 instruction format RRF_FE0FF, where the first operand is in bits 16-19, has been renamed to RRD_FE0FF. This change separates it from the general RRF format starting with the IBM z196 architecture. The ‘myr’ instruction is updated to use the new RRD_FE0FF format designation.