Landing: a0c4d677b3c0

Project / Subsystem

gcc / gccrs

Date

2026-08-23

Author

Yap Zhi Heng

Commit

a0c4d677b3c00d5cbb42d783983fbe927106134f

Source

github

Perf win

No

Breaking

No

All attributes

project
gcc
subsystem
gccrs
patch_id
—
commit_hash
a0c4d677b3c00d5cbb42d783983fbe927106134f
source_type
github
headline
gccrs: Make GCC target builtins available to the Rust front end
tldr
gccrs can now access GCC's target-specific built-in functions.
author
Yap Zhi Heng
outcome
committed
performance_win
false
breaking_change
false
series_id
—
series_parts
[]
tags
  • • gccrs
  • • rust
  • • builtins
  • • compiler
discussion_id_link
—
bugzilla_pr
—
date
2026-08-23T00:00:00.000Z

This commit makes GCC’s target-specific built-in functions accessible to the gccrs frontend. By ensuring the BuiltinsContext is initialized and calling targetm.init_builtins(), gccrs can now leverage intrinsics like __builtin_clz or __builtin_popcount provided by the GCC target machine. This is a foundational step for supporting LLVM builtins and other low-level operations within gccrs.