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Issues list

Stabilize sha512. sm3 and sm4 for x86 A-target-feature Area: Enabling/disabling target features like AVX, Neon, etc. disposition-merge This issue / PR is in PFCP or FCP with a disposition to merge it. I-lang-nominated Nominated for discussion during a lang team meeting. O-x86_32 Target: x86 processors, 32 bit (like i686-*) (IA-32) O-x86_64 Target: x86-64 processors (like x86_64-*) (also known as amd64 and x64) P-lang-drag-1 Lang team prioritization drag level 1. https://rust-lang.zulipchat.com/#narrow/channel/410516-t-lang proposed-final-comment-period Proposed to merge/close by relevant subteam, see T-<team> label. Will enter FCP once signed off. S-waiting-on-documentation Status: Waiting on approved PRs to documentation before merging S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-lang Relevant to the language team, which will review and decide on the PR/issue.
#140767 opened May 7, 2025 by sayantn Loading…
@scottmcm
13
Stabilize keylocker A-target-feature Area: Enabling/disabling target features like AVX, Neon, etc. disposition-merge This issue / PR is in PFCP or FCP with a disposition to merge it. I-lang-nominated Nominated for discussion during a lang team meeting. I-lang-radar Items that are on lang's radar and will need eventual work or consideration. O-x86_32 Target: x86 processors, 32 bit (like i686-*) (IA-32) O-x86_64 Target: x86-64 processors (like x86_64-*) (also known as amd64 and x64) P-lang-drag-1 Lang team prioritization drag level 1. https://rust-lang.zulipchat.com/#narrow/channel/410516-t-lang proposed-final-comment-period Proposed to merge/close by relevant subteam, see T-<team> label. Will enter FCP once signed off. S-waiting-on-documentation Status: Waiting on approved PRs to documentation before merging S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-lang Relevant to the language team, which will review and decide on the PR/issue.
#140766 opened May 7, 2025 by sayantn Loading…
@traviscross
15
Wrong symbols are referenced for raw-dylib on i686-pc-windows-gnu A-linkage Area: linking into static, shared libraries and binaries C-bug Category: This is a bug. F-raw_dylib `#![feature(raw_dylib)]` O-windows-gnu Toolchain: GNU, Operating system: Windows O-x86_32 Target: x86 processors, 32 bit (like i686-*) (IA-32) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#138963 opened Mar 26, 2025 by glandium
rustc-LLVM ERROR: Cannot select with -C code-model=large A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. C-bug Category: This is a bug. E-needs-mcve Call for participation: This issue has a repro, but needs a Minimal Complete and Verifiable Example I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ O-x86_32 Target: x86 processors, 32 bit (like i686-*) (IA-32) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#138899 opened Mar 24, 2025 by konstin
3
Tracking Issue for AVX10 target features A-SIMD Area: SIMD (Single Instruction Multiple Data) A-target-feature Area: Enabling/disabling target features like AVX, Neon, etc. C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC O-x86_32 Target: x86 processors, 32 bit (like i686-*) (IA-32) O-x86_64 Target: x86-64 processors (like x86_64-*) (also known as amd64 and x64) T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#138843 opened Mar 22, 2025 by sayantn
Tracking Issue for the demotion of i686-pc-windows-gnu A-targets Area: Concerning the implications of different compiler targets C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC O-windows Operating system: Windows O-windows-gnu Toolchain: GNU, Operating system: Windows O-x86_32 Target: x86 processors, 32 bit (like i686-*) (IA-32) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#138422 opened Mar 12, 2025 by Noratrieb
2 of 4 tasks
Infinite/long backtrace on i686 under Wine A-backtrace Area: Backtraces A-debuginfo Area: Debugging information in compiled programs (DWARF, PDB, etc.) A-panic Area: Panicking machinery A-runtime Area: std's runtime and "pre-main" init for handling backtraces, unwinds, stack overflows C-bug Category: This is a bug. E-needs-investigation Call for partcipation: This issues needs some investigation to determine current status O-windows Operating system: Windows O-x86_32 Target: x86 processors, 32 bit (like i686-*) (IA-32) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#135717 opened Jan 19, 2025 by purplesyringa
1
5
tests/debuginfo/numeric-types.rs test coverage became 64-bit only A-debuginfo Area: Debugging information in compiled programs (DWARF, PDB, etc.) A-testsuite Area: The testsuite used to check the correctness of rustc C-bug Category: This is a bug. O-windows-msvc Toolchain: MSVC, Operating system: Windows O-x86_32 Target: x86 processors, 32 bit (like i686-*) (IA-32) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#134683 opened Dec 23, 2024 by jieyouxu
Compiling no_std for i686-pc-windows-gnu ignores panic=abort -Zbuild-std Unstable Cargo option: Compile the standard library yourself. A-cross Area: Cross compilation A-panic Area: Panicking machinery C-bug Category: This is a bug. O-windows-gnu Toolchain: GNU, Operating system: Windows O-x86_32 Target: x86 processors, 32 bit (like i686-*) (IA-32) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#133826 opened Dec 3, 2024 by Irate-Walrus
13
All interrupt ABIs should enforce either () or ! as return types A-ABI Area: Concerning the application binary interface (ABI) A-hardware-interrupts Area: Code for handling the "interrupt ABI" of various processors A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. C-bug Category: This is a bug. F-abi_x86_interrupt O-msp430 O-riscv Target: RISC-V architecture O-x86_32 Target: x86 processors, 32 bit (like i686-*) (IA-32) O-x86_64 Target: x86-64 processors (like x86_64-*) (also known as amd64 and x64) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#132841 opened Nov 10, 2024 by workingjubilee
extern "x86-interrupt" fn allows absurd signatures A-ABI Area: Concerning the application binary interface (ABI) A-hardware-interrupts Area: Code for handling the "interrupt ABI" of various processors A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. C-bug Category: This is a bug. F-abi_x86_interrupt O-x86_32 Target: x86 processors, 32 bit (like i686-*) (IA-32) O-x86_64 Target: x86-64 processors (like x86_64-*) (also known as amd64 and x64) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#132835 opened Nov 10, 2024 by workingjubilee
Directly calling "x86-interrupt" fn should be invalid A-ABI Area: Concerning the application binary interface (ABI) A-hardware-interrupts Area: Code for handling the "interrupt ABI" of various processors A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. C-bug Category: This is a bug. F-abi_x86_interrupt O-x86_32 Target: x86 processors, 32 bit (like i686-*) (IA-32) O-x86_64 Target: x86-64 processors (like x86_64-*) (also known as amd64 and x64) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#132834 opened Nov 10, 2024 by workingjubilee
x86-32 "f16" ABI needs SSE, incompatible with i586 targets A-ABI Area: Concerning the application binary interface (ABI) A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. C-bug Category: This is a bug. F-f16_and_f128 `#![feature(f16)]`, `#![feature(f128)]` O-x86_32 Target: x86 processors, 32 bit (like i686-*) (IA-32) S-waiting-on-LLVM Status: the compiler-dragon is eepy, can someone get it some tea?
#131819 opened Oct 17, 2024 by RalfJung
11
Tracking Issue for -Zregparm A-ABI Area: Concerning the application binary interface (ABI) A-CLI Area: Command-line interface (CLI) to the compiler A-rust-for-linux Relevant for the Rust-for-Linux project C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC O-x86_32 Target: x86 processors, 32 bit (like i686-*) (IA-32) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#131749 opened Oct 15, 2024 by azhogin
1 of 7 tasks
Fix linking for symbols starting with ? on i686-pc-windows-msvc A-linkage Area: linking into static, shared libraries and binaries has-merge-commits PR has merge commits, merge with caution. O-windows-msvc Toolchain: MSVC, Operating system: Windows O-x86_32 Target: x86 processors, 32 bit (like i686-*) (IA-32) S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#130808 opened Sep 25, 2024 by checkraisefold Loading…
1
@davidtwco
35
tests/run-make/dump-ice-to-disk is flakey on i686-mingw A-diagnostics Area: Messages for errors, warnings, and lints A-run-make Area: port run-make Makefiles to rmake.rs A-testsuite Area: The testsuite used to check the correctness of rustc C-bug Category: This is a bug. D-diagnostic-infra Diagnostics: Issues that affect all diagnostics, or relate to the diagnostic machinery itself. I-flaky-test Issue: A test is flaky/unreliable/spuriously fails O-windows-gnu Toolchain: GNU, Operating system: Windows O-x86_32 Target: x86 processors, 32 bit (like i686-*) (IA-32) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#128911 opened Aug 10, 2024 by jieyouxu
15
Tracking Issue for bf16 type in stdarch avx512 C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC O-x86_32 Target: x86 processors, 32 bit (like i686-*) (IA-32) O-x86_64 Target: x86-64 processors (like x86_64-*) (also known as amd64 and x64) T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#127356 opened Jul 5, 2024 by sayantn
2 tasks
Tracking Issue for AVX512_FP16 intrinsics A-SIMD Area: SIMD (Single Instruction Multiple Data) C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC O-x86_32 Target: x86 processors, 32 bit (like i686-*) (IA-32) O-x86_64 Target: x86-64 processors (like x86_64-*) (also known as amd64 and x64) T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#127213 opened Jul 1, 2024 by sayantn
2 tasks
2
Tracking Issue for XOP target feature A-SIMD Area: SIMD (Single Instruction Multiple Data) A-target-feature Area: Enabling/disabling target features like AVX, Neon, etc. C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC O-x86_32 Target: x86 processors, 32 bit (like i686-*) (IA-32) O-x86_64 Target: x86-64 processors (like x86_64-*) (also known as amd64 and x64)
#127208 opened Jul 1, 2024 by sayantn
1 of 3 tasks
2
i686-unknown-freebsd uses base.cpu = "pentium4" but the version in ports patches it to be `base.cpu = "pentiumpro" O-freebsd Operating system: FreeBSD O-x86_32 Target: x86 processors, 32 bit (like i686-*) (IA-32) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#117182 opened Oct 25, 2023 by estebank
1
Tracking issue: 32bit x86 targets lose float NaN payload in return values A-ABI Area: Concerning the application binary interface (ABI) A-floating-point Area: Floating point numbers and arithmetic C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC O-x86_32 Target: x86 processors, 32 bit (like i686-*) (IA-32)
#115567 opened Sep 5, 2023 by RalfJung
10
Tracking issue: 32bit x86 targets without SSE2 have unsound floating point behavior A-floating-point Area: Floating point numbers and arithmetic C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC I-miscompile Issue: Correct Rust code lowers to incorrect machine code I-unsound Issue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/Soundness O-x86_32 Target: x86 processors, 32 bit (like i686-*) (IA-32) P-medium Medium priority
#114479 opened Aug 4, 2023 by RalfJung
41
Codegen emits ineffective vxorps/vaddps sequences A-codegen Area: Code generation A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. C-bug Category: This is a bug. I-heavy Issue: Problems and improvements with respect to binary size of generated code. I-slow Issue: Problems and improvements with respect to performance of generated code. O-x86_32 Target: x86 processors, 32 bit (like i686-*) (IA-32) O-x86_64 Target: x86-64 processors (like x86_64-*) (also known as amd64 and x64)
#114033 opened Jul 24, 2023 by ksf
3
Compilation regression on nightly with i686-unknown-linux-gnu C-bug Category: This is a bug. O-x86_32 Target: x86 processors, 32 bit (like i686-*) (IA-32) P-low Low priority regression-from-stable-to-stable Performance or correctness regression from one stable version to another. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#111777 opened May 20, 2023 by carllerche
5
Tracking Issue for _MM_SHUFFLE C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC O-x86_32 Target: x86 processors, 32 bit (like i686-*) (IA-32) O-x86_64 Target: x86-64 processors (like x86_64-*) (also known as amd64 and x64) T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#111147 opened May 3, 2023 by Amanieu
3 tasks
1
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