rust-lang/rustc_codegen_gcc

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libgccjit AOT codegen for rustc

Stars: 1.2k
Forks: 105
Open beginner issues: 0
Indexed issues: 156
Avg merge: 8h 20m
Merged PRs (30d): 14

Dominant language: Rust
License: Apache-2.0
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue help wanted

Beginner friendly Everything

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156 open issues indexed

Test using a custom toolchain in the CI Open

good first issue

Difficulty 3/5 1-2 days Newbie friendliness 35/100

rust-lang/rustc_codegen_gcc#402 · 1 comment · Opened Dec 21, 2023
Support #![feature(unchecked_math)] Open

libgccjit medium

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-lang/rustc_codegen_gcc#389 · 2 comments · Opened Nov 23, 2023
Add back check disabled to make LTO work Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 30/100

rust-lang/rustc_codegen_gcc#379 · Opened Nov 9, 2023
Hide output by default and only display it if there is an error Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

rust-lang/rustc_codegen_gcc#376 · 4 comments · Opened Nov 5, 2023
Complete the mapping from LLVM arch to GCC arch Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

rust-lang/rustc_codegen_gcc#366 · 13 comments · Opened Oct 24, 2023
Better fix for cross-compilation of floats Open

libgccjit

Difficulty 4/5 3-5 days Newbie friendliness 25/100

rust-lang/rustc_codegen_gcc#359 · 1 comment · Opened Oct 21, 2023
Further optimize the popcount intrinsic Open

perf

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-lang/rustc_codegen_gcc#351 · Opened Oct 10, 2023
Fix some cases of UB Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rustc_codegen_gcc#347 · Opened Oct 3, 2023
Find a better way to handle the inline keyword in libgccjit Open

libgccjit

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rustc_codegen_gcc#342 · Opened Sep 22, 2023
Reorganize the GitHub Actions jobs Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-lang/rustc_codegen_gcc#340 · Opened Sep 20, 2023
__atomic_load_8 might not be available on some platforms Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

rust-lang/rustc_codegen_gcc#339 · 4 comments · Opened Sep 20, 2023
Run the tests from std in the CI Open

rust-lang/rustc_codegen_gcc#338 · 3 comments · 1 assignee · Opened Sep 20, 2023
The tests from base64 get OOM-killed Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

rust-lang/rustc_codegen_gcc#336 · Opened Sep 20, 2023
"SSE register return with SSE disabled" error when compiling Rust for Linux Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

rust-lang/rustc_codegen_gcc#334 · 1 comment · Opened Sep 15, 2023
GCC-specific codegen test Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rustc_codegen_gcc#325 · 7 comments · Opened Sep 1, 2023
Run libgccjit tests in the CI of antoyo/gcc Open

libgccjit

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-lang/rustc_codegen_gcc#322 · Opened Aug 31, 2023
Make cg_ssa send -fno-lto to the linker when LTO is not used Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

rust-lang/rustc_codegen_gcc#321 · 5 comments · Opened Aug 30, 2023
Fix creating 128-bit integers in libgccjit Open

bug libgccjit

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-lang/rustc_codegen_gcc#316 · Opened Aug 15, 2023
Check if I should enable other gcc options like -fwrapv-pointer Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

rust-lang/rustc_codegen_gcc#314 · 1 comment · Opened Aug 13, 2023
ice `called get_size of unsupported type: struct struct` Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-lang/rustc_codegen_gcc#294 · 1 comment · Opened Jul 1, 2023
ice: unsized locals: unimplemented!() `builder::byte_array_alloca()` Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-lang/rustc_codegen_gcc#290 · 1 comment · Opened Jul 1, 2023
libgccjit get_size for unsupported types Open

libgccjit

Difficulty 3/5 1-2 days Newbie friendliness 38/100

rust-lang/rustc_codegen_gcc#285 · Opened Jun 28, 2023
32-bit pointer cast Open

bug good first issue

Difficulty 4/5 3-5 days Newbie friendliness 25/100

rust-lang/rustc_codegen_gcc#284 · 3 comments · Opened Jun 25, 2023
Add a function to set the alignment in cg_ssa Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rustc_codegen_gcc#283 · Opened Jun 16, 2023
Simplify the CI for 128-bit integers Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

rust-lang/rustc_codegen_gcc#276 · 1 comment · Opened May 23, 2023
Backport patches to libgccjit 12 Open

libgccjit

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rustc_codegen_gcc#275 · Opened May 23, 2023
Add support for 128-bit integers in gcc itself Open

libgccjit medium

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rustc_codegen_gcc#274 · 1 comment · Opened May 23, 2023
Add a feature for libgccjit13 Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

rust-lang/rustc_codegen_gcc#273 · Opened May 22, 2023
Building is difficult Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 52/100

rust-lang/rustc_codegen_gcc#269 · 2 comments · Opened May 3, 2023
Support filter for exception handling Open

enhancement libgccjit

Difficulty 4/5 3-5 days Newbie friendliness 42/100

rust-lang/rustc_codegen_gcc#264 · Opened Apr 8, 2023
Instructions in Readme.md assume rustup without mentioning it Open

documentation

rust-lang/rustc_codegen_gcc#252 · 12 comments · 1 assignee · Opened Jan 31, 2023
Fix linked function with different types if needed Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 30/100

rust-lang/rustc_codegen_gcc#248 · Opened Jan 23, 2023
Some stuff to clean regarding unwinding Open

libgccjit

Difficulty 3/5 1-2 days Newbie friendliness 25/100

rust-lang/rustc_codegen_gcc#247 · Opened Jan 23, 2023
std-tests sometime segfault Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-lang/rustc_codegen_gcc#245 · 3 comments · Opened Jan 10, 2023
error: failed to run `rustc` during ./build.sh on aarch64 Open

bug libgccjit

Difficulty 4/5 3-5 days Newbie friendliness 25/100

rust-lang/rustc_codegen_gcc#242 · 11 comments · Opened Dec 13, 2022
Support runtime detection of libgccjit features Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rustc_codegen_gcc#221 · Opened Sep 16, 2022
Build error: undefined symbol: gcc_jit_context_get_target_builtin_function Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

rust-lang/rustc_codegen_gcc#180 · 5 comments · Opened Jun 8, 2022
Dynamic binding mix-up between libgccjit and glibc Open

bug

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rustc_codegen_gcc#145 · 6 comments · Opened Mar 26, 2022
Optimize the code generation for builtins implemented manually Open

enhancement good first issue perf

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rustc_codegen_gcc#144 · Opened Mar 23, 2022
Remove code duplication with LLVM codegen by adding more stuff to codegen_ssa Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rustc_codegen_gcc#138 · 1 reaction · Opened Mar 9, 2022
Host vs target confusion for `bfin-elf` target Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-lang/rustc_codegen_gcc#134 · 1 comment · Opened Feb 27, 2022
Check if loop unrolling needs to be enabled manually Open

perf

Difficulty 4/5 3-5 days Newbie friendliness 30/100

rust-lang/rustc_codegen_gcc#128 · Opened Feb 15, 2022
Better data handling Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-lang/rustc_codegen_gcc#119 · 4 comments · Opened Jan 25, 2022
iter_mut codegen Open

perf

Difficulty 4/5 3-5 days Newbie friendliness 35/100

rust-lang/rustc_codegen_gcc#105 · 2 comments · Opened Oct 25, 2021
Check if register variables are as efficient as normal GCC constraint code Open

perf

Difficulty 4/5 3-5 days Newbie friendliness 25/100

rust-lang/rustc_codegen_gcc#92 · Opened Sep 26, 2021
Some UI tests segfault trying to compile or run them Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 25/100

rust-lang/rustc_codegen_gcc#89 · 1 comment · Opened Sep 25, 2021
builder::do_not_inline Open

libgccjit

rust-lang/rustc_codegen_gcc#87 · 7 comments · 1 assignee · Opened Sep 25, 2021
Support alignstack in inline asm Open

help wanted

Difficulty 5/5 Over a week Newbie friendliness 25/100

rust-lang/rustc_codegen_gcc#78 · 2 comments · Opened Sep 4, 2021
Check if clobber_abi is correctly supported Open

good first issue

Difficulty 4/5 3-5 days Newbie friendliness 25/100

rust-lang/rustc_codegen_gcc#77 · 5 comments · Opened Sep 4, 2021
Add support for other architectures in libc Open

good first issue help wanted

Difficulty 5/5 Over a week Newbie friendliness 20/100

rust-lang/rustc_codegen_gcc#70 · 1 comment · 1 reaction · Opened Aug 20, 2021

rust-lang/rustc_codegen_gcc

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