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Tracking Issue for nvptx_target_feature

A-target-featureArea: Enabling/disabling target features like AVX, Neon, etc.Area: Enabling/disabling target features like AVX, Neon, etc.

C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCCategory: An issue tracking the progress of sth. like the implementation of an RFC

O-NVPTXTarget: the NVPTX LLVM backend for running rust on GPUs, https://llvm.org/docs/NVPTXUsage.htmlTarget: the NVPTX LLVM backend for running rust on GPUs, https://llvm.org/docs/NVPTXUsage.html

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#141468 In rust-lang/rust;

· jedbrown opened on May 23, 2025

Need comprehensive story for <code>target_feature</code> compat

A-target-featureArea: Enabling/disabling target features like AVX, Neon, etc.Area: Enabling/disabling target features like AVX, Neon, etc.

C-bugCategory: This is a bug.Category: This is a bug.

E-needs-designThis issue needs exploration and design to see how and if we can fix/implement itThis issue needs exploration and design to see how and if we can fix/implement it

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#140570 In rust-lang/rust;

· workingjubilee opened on May 2, 2025

Exception handling instructions emitted on wasm even when exception-handling feature is disabled

A-target-featureArea: Enabling/disabling target features like AVX, Neon, etc.Area: Enabling/disabling target features like AVX, Neon, etc.

C-bugCategory: This is a bug.Category: This is a bug.

F-c_unwind`#![feature(c_unwind)]``#![feature(c_unwind)]`

O-wasmTarget: WASM (WebAssembly), http://webassembly.org/Target: WASM (WebAssembly), http://webassembly.org/

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#140293 In rust-lang/rust;

· bjorn3 opened on Apr 25, 2025

Tracking Issue for APX target feature

A-inline-assemblyArea: Inline assembly (`asm!(…)`)Area: Inline assembly (`asm!(…)`)

A-target-featureArea: Enabling/disabling target features like AVX, Neon, etc.Area: Enabling/disabling target features like AVX, Neon, etc.

C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCCategory: An issue tracking the progress of sth. like the implementation of an RFC

O-x86_64Target: x86-64 processors (like x86_64-*) (also known as amd64 and x64)Target: x86-64 processors (like x86_64-*) (also known as amd64 and x64)

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#139284 In rust-lang/rust;

· sayantn opened on Apr 2, 2025

Intrinsics wrappers not being inlined

A-codegenArea: Code generationArea: Code generation

A-intrinsicsArea: IntrinsicsArea: Intrinsics

A-LLVMArea: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.

A-target-featureArea: Enabling/disabling target features like AVX, Neon, etc.Area: Enabling/disabling target features like AVX, Neon, etc.

C-optimizationCategory: An issue highlighting optimization opportunities or PRs implementing suchCategory: An issue highlighting optimization opportunities or PRs implementing such

I-slowIssue: Problems and improvements with respect to performance of generated code.Issue: Problems and improvements with respect to performance of generated code.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#139160 In rust-lang/rust;

· mxple opened on Mar 31, 2025

pclmulqdq intrinsics don't inline well across target_feature changes anymore

A-LLVMArea: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.

A-target-featureArea: Enabling/disabling target features like AVX, Neon, etc.Area: Enabling/disabling target features like AVX, Neon, etc.

C-bugCategory: This is a bug.Category: This is a bug.

E-needs-testCall for participation: An issue has been fixed and does not reproduce, but no test has been added.Call for participation: An issue has been fixed and does not reproduce, but no test has been added.

I-slowIssue: Problems and improvements with respect to performance of generated code.Issue: Problems and improvements with respect to performance of generated code.

O-x86_64Target: x86-64 processors (like x86_64-*) (also known as amd64 and x64)Target: x86-64 processors (like x86_64-*) (also known as amd64 and x64)

S-has-bisectionStatus: A bisection has been found for this issueStatus: A bisection has been found for this issue

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#139029 In rust-lang/rust;

· iximeow opened on Mar 27, 2025

PowerPC SPE targets don't have <code>spe</code> target feature enabled

A-target-featureArea: Enabling/disabling target features like AVX, Neon, etc.Area: Enabling/disabling target features like AVX, Neon, etc.

C-bugCategory: This is a bug.Category: This is a bug.

O-PowerPCTarget: PowerPC processorsTarget: PowerPC processors

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#138960 In rust-lang/rust;

· beetrees opened on Mar 26, 2025

Tracking Issue for AVX10 target features

A-SIMDArea: SIMD (Single Instruction Multiple Data)Area: SIMD (Single Instruction Multiple Data)

A-target-featureArea: Enabling/disabling target features like AVX, Neon, etc.Area: Enabling/disabling target features like AVX, Neon, etc.

C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCCategory: An issue tracking the progress of sth. like the implementation of an RFC

O-x86_32Target: x86 processors, 32 bit (like i686-*) (also known as IA-32, i386, i586, i686)Target: x86 processors, 32 bit (like i686-*) (also known as IA-32, i386, i586, i686)

O-x86_64Target: x86-64 processors (like x86_64-*) (also known as amd64 and x64)Target: x86-64 processors (like x86_64-*) (also known as amd64 and x64)

T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.Relevant to the library API team, which will review and decide on the PR/issue.

Status: Open.

#138843 In rust-lang/rust;

· sayantn opened on Mar 22, 2025

RISC-V RVV not enabled despite <code>-Ctarget-cpu=native</code>

A-LLVMArea: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.

A-target-featureArea: Enabling/disabling target features like AVX, Neon, etc.Area: Enabling/disabling target features like AVX, Neon, etc.

C-bugCategory: This is a bug.Category: This is a bug.

O-riscvTarget: RISC-V architectureTarget: RISC-V architecture

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#138789 In rust-lang/rust;

· ThomasHabets opened on Mar 21, 2025

Tracking Issue for <code>naked_functions_target_feature</code>

A-attributesArea: Attributes (`#[…]`, `#![…]`)Area: Attributes (`#[…]`, `#![…]`)

A-nakedArea: `#[naked]`, prologue and epilogue-free, functions, https://git.io/vAzzSArea: `#[naked]`, prologue and epilogue-free, functions, https://git.io/vAzzS

A-target-featureArea: Enabling/disabling target features like AVX, Neon, etc.Area: Enabling/disabling target features like AVX, Neon, etc.

B-unstableBlocker: Implemented in the nightly compiler and unstable.Blocker: Implemented in the nightly compiler and unstable.

C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCCategory: An issue tracking the progress of sth. like the implementation of an RFC

F-naked_functions`#![feature(naked_functions)]``#![feature(naked_functions)]`

F-naked_functions_target_feature`#![feature(naked_functions_target_feature)]``#![feature(naked_functions_target_feature)]`

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#138568 In rust-lang/rust;

· folkertdev opened on Mar 16, 2025

unreachable pub item from portable-simd with target_feature = "avx512f"

A-target-featureArea: Enabling/disabling target features like AVX, Neon, etc.Area: Enabling/disabling target features like AVX, Neon, etc.

C-bugCategory: This is a bug.Category: This is a bug.

P-lowLow priorityLow priority

PG-portable-simdProject group: Portable SIMD (https://github.com/rust-lang/project-portable-simd)Project group: Portable SIMD (https://github.com/rust-lang/project-portable-simd)

regression-from-stable-to-betaPerformance or correctness regression from stable to beta.Performance or correctness regression from stable to beta.

T-libsRelevant to the library team, which will review and decide on the PR/issue.Relevant to the library team, which will review and decide on the PR/issue.

Status: Open.

#138054 In rust-lang/rust;

· 12101111 opened on Mar 5, 2025

Inefficient code generation with target-feature AVX2

A-codegenArea: Code generationArea: Code generation

A-LLVMArea: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.

A-target-featureArea: Enabling/disabling target features like AVX, Neon, etc.Area: Enabling/disabling target features like AVX, Neon, etc.

C-bugCategory: This is a bug.Category: This is a bug.

I-slowIssue: Problems and improvements with respect to performance of generated code.Issue: Problems and improvements with respect to performance of generated code.

T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

Status: Open.

#137335 In rust-lang/rust;

· LaurenzV opened on Feb 20, 2025