[PATCH 36/46] s390: Make I2 operand optional in .insn pseudo-mnemonic siy

Project / Subsystem

binutils / s390

Date

2026-10-05

Proposer

Jens Remus <jremus@linux.ibm.com>

Source type

public_inbox

Consensus

Proposed

Sentiment

—/10

All attributes

project
binutils
subsystem
s390
patch_id
—
discussion_id
20261005153947.363053-84-jremus@linux.ibm.com
source_type
public_inbox
title
[PATCH 36/46] s390: Make I2 operand optional in .insn pseudo-mnemonic siy
headline
s390: Make I2 operand optional in .insn pseudo-mnemonic siy
tldr
Make the I2 operand optional for s390 .insn siy pseudo-mnemonic.
proposer
Jens Remus <jremus@linux.ibm.com>
consensus
Proposed
outcome
proposed
sentiment_score
—
technical_tradeoffs
[]
series_id
binutils:s390: make i2 operand optional in .insn pseudo-mnemonic siy
series_role
reply
series_parts
[]
tags
  • • s390
  • • gas
  • • .insn
  • • instruction-format
bugzilla_url
—
date
2026-10-05T00:00:00.000Z

[PATCH 36/46] s390: Make I2 operand optional in .insn pseudo-mnemonic siy

This patch makes the I2 operand optional for the ‘.insn siy’ pseudo-mnemonic in the s390 gas assembler. It updates the opcode definitions, documentation, and adds test cases for this instruction format.