Landing: 951a115cda17

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Project / Subsystem

gcc / gcc

Date

2026-07-10

Author

Nathan Sidwell

Commit

951a115cda17352b1801e30fa9aab3e69caa8452

Source

github

Perf win

Breaking

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project: gcc
subsystem: gcc
patch_id: —
commit_hash: 951a115cda17352b1801e30fa9aab3e69caa8452
source_type: github
headline: Display UNSPEC names in slim RTL dumps for better readability
tldr: RTL dump output now shows UNSPEC names instead of just enums, improving debuggability.
author: Nathan Sidwell
outcome: committed
performance_win: false
breaking_change: false
series_id: —
series_parts: []
tags: • debugging
• compiler
discussion_id_link: —
bugzilla_pr: —
url: https://github.com/gcc-mirror/gcc/commit/951a115cda17352b1801e30fa9aab3e69caa8452
date: 2026-07-10T00:00:00.000Z

The RTL (Register Transfer Language) dump output has been improved to display the names of UNSPEC and UNSPECV codes when available. Previously, the dump would fall back to showing enum values if UNSPECV names were not present. This change enhances the debuggability of RTL by providing more meaningful names for these internal operations.