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Issues list

Intrinsics wrappers not being inlined A-codegen Area: Code generation A-intrinsics Area: Intrinsics A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. A-target-feature Area: Enabling/disabling target features like AVX, Neon, etc. C-optimization Category: An issue highlighting optimization opportunities or PRs implementing such I-slow Issue: Problems and improvements with respect to performance of generated code. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#139160 opened Mar 31, 2025 by mxple
4
Unused Argument Warnings in Intrinsics Without Body A-diagnostics Area: Messages for errors, warnings, and lints A-intrinsics Area: Intrinsics T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#135598 opened Jan 16, 2025 by vayunbiyani
@vayunbiyani
3
atomic RMW intrinsics: avoid unnecessary ptr/int conversions A-atomic Area: Atomics, barriers, and sync primitives A-codegen Area: Code generation A-intrinsics Area: Intrinsics A-strict-provenance Area: Strict provenance for raw pointers C-optimization Category: An issue highlighting optimization opportunities or PRs implementing such
#134617 opened Dec 21, 2024 by RalfJung
-Zdefault-hidden-visibility causes linking errors due to intrinsic-related calls A-intrinsics Area: Intrinsics A-linkage Area: linking into static, shared libraries and binaries C-bug Category: This is a bug. requires-nightly This issue requires a nightly compiler in some way. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#123427 opened Apr 3, 2024 by chbaker0
6
Improve core::intrinsics::black_box output. A-codegen Area: Code generation A-intrinsics Area: Intrinsics C-enhancement Category: An issue proposing an enhancement or a PR with one. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#99899 opened Jul 29, 2022 by thomcc
3
Tracking issue for pref_align_of intrinsic A-intrinsics Area: Intrinsics C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC S-tracking-design-concerns Status: There are blocking design concerns. S-tracking-needs-summary Status: It's hard to tell what's been done and what hasn't! Someone should do some investigation. T-lang Relevant to the language team, which will review and decide on the PR/issue. T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#91971 opened Dec 15, 2021 by RalfJung
@workingjubilee
6
Decide on when MIR Discriminant() operation is UB A-codegen Area: Code generation A-intrinsics Area: Intrinsics A-MIR Area: Mid-level IR (MIR) - https://blog.rust-lang.org/2016/04/19/MIR.html A-mir-opt Area: MIR optimizations C-discussion Category: Discussion or questions that doesn't represent real issues. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#91095 opened Nov 20, 2021 by RalfJung
16
simd_shuffle, simd_insert, simd_extract should use const generics A-const-generics Area: const generics (parameters and arguments) A-intrinsics Area: Intrinsics A-SIMD Area: SIMD (Single Instruction Multiple Data) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#85229 opened May 12, 2021 by RalfJung
20
Unnecessary stack writes when using write_volatile with arrays A-codegen Area: Code generation A-intrinsics Area: Intrinsics A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. C-optimization Category: An issue highlighting optimization opportunities or PRs implementing such I-slow Issue: Problems and improvements with respect to performance of generated code. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#82944 opened Mar 9, 2021 by niluxv
3
Can rustc support to call llvm intrinisc API which contains type like llvm_v4i1_ty? A-intrinsics Area: Intrinsics A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. C-feature-request Category: A feature request, i.e: not implemented / a PR. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#81552 opened Jan 30, 2021 by kangshan1157
10
Invalid monomorphization when -C link-dead-code is used -Clink-dead-code Linkage option: -Clink-dead-code A-diagnostics Area: Messages for errors, warnings, and lints A-intrinsics Area: Intrinsics A-SIMD Area: SIMD (Single Instruction Multiple Data) D-confusing Diagnostics: Confusing error or lint that should be reworked. I-monomorphization Issue: An error at monomorphization time. P-medium Medium priority requires-nightly This issue requires a nightly compiler in some way. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#77529 opened Oct 4, 2020 by xd009642
15
Expose type_name() method on Any. A-intrinsics Area: Intrinsics C-feature-request Category: A feature request, i.e: not implemented / a PR. T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#68379 opened Jan 20, 2020 by rickvanprim
3
Failed to build rpm-ostree on ppc64le: multiple definition of `__fixdfdi' A-intrinsics Area: Intrinsics C-bug Category: This is a bug. O-PowerPC Target: PowerPC processors T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#61063 opened May 23, 2019 by cuviper
1
u128 atomic compare_and_set (cxchg) emits linker error A-atomic Area: Atomics, barriers, and sync primitives A-intrinsics Area: Intrinsics A-linkage Area: linking into static, shared libraries and binaries C-bug Category: This is a bug. requires-nightly This issue requires a nightly compiler in some way. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#56798 opened Dec 14, 2018 by kprotty
11
Tracking issue for f32 and f64 methods in libcore A-floating-point Area: Floating point numbers and arithmetic A-intrinsics Area: Intrinsics C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC Libs-Tracked Libs issues that are tracked on the team's project board. T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#50145 opened Apr 21, 2018 by SimonSapin
29
Altivec/VSX support A-intrinsics Area: Intrinsics A-SIMD Area: SIMD (Single Instruction Multiple Data) C-feature-request Category: A feature request, i.e: not implemented / a PR. O-PowerPC Target: PowerPC processors T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#42743 opened Jun 18, 2017 by lu-zero
30
Add intrinsic to force-monomorphize; or some other solution for Index A-intrinsics Area: Intrinsics C-feature-request Category: A feature request, i.e: not implemented / a PR. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-dev-tools Relevant to the dev-tools subteam, which will review and decide on the PR/issue. T-lang Relevant to the language team, which will review and decide on the PR/issue.
#34528 opened Jun 28, 2016 by Manishearth
4
Meta tracking issue for branch hints (RFC 1131) A-intrinsics Area: Intrinsics B-RFC-approved Blocker: Approved by a merged RFC but not yet implemented. B-unstable Blocker: Implemented in the nightly compiler and unstable. C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC E-help-wanted Call for participation: Help is requested to fix this issue. metabug Issues about issues themselves ("bugs about bugs") S-tracking-perma-unstable Status: The feature will stay unstable indefinitely. T-lang Relevant to the language team, which will review and decide on the PR/issue.
#26179 opened Jun 10, 2015 by nikomatsakis
89
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