Issues

• CI should be pinned to a particular rustc version

  rust-lang/stdarch#2218 · Filter by author RalfJung opened on Sep 5, 2026
  5

• Are there other intrinsics like _mm_maskmoveu_si128 that require mutable memory even when no mutation occurs?

  rust-lang/stdarch#2216 · Filter by author RalfJung opened on Aug 31, 2026
  1

• Can non-temporal loads use the LLVM intrinsic instead?

  rust-lang/stdarch#2155 · Filter by author ruriww opened on Jun 7, 2026

• _mm_adds_epu8 doesn't generate the right instruction.

  rust-lang/stdarch#2154 · Filter by author ruriww opened on Jun 7, 2026
  1

• Should the p64 functions be gated under aes?

  rust-lang/stdarch#2109 · Filter by author sayantn opened on May 8, 2026
  6

• re-enable assert_instr for SVE [us]mull[bt] instructions

  A-aarch64
  rust-lang/stdarch#2084 · Filter by author davidtwco opened on Apr 15, 2026
  1

  

• s390x: incorrect use of LLVM intrinsics for vec_min/max on floats

  rust-lang/stdarch#2060 · Filter by author RalfJung opened on Mar 11, 2026
  13

• nvptx: Incorrect use of LLVM intrinsics for f16x2_min/max(_nan)

  rust-lang/stdarch#2056 · Filter by author RalfJung opened on Mar 10, 2026

• CUDA links are broken

  rust-lang/stdarch#2055 · Filter by author RalfJung opened on Mar 10, 2026
  2

• Now-safe cpuid triggers unused_unsafe

  rust-lang/stdarch#1990 · Filter by author mkroening opened on Jan 7, 2026
  3

• Use intrinsics::simd for LoongArch LSX/LASX

  rust-lang/stdarch#1982 · Filter by author Gelbpunkt opened on Dec 28, 2025
  3

• Speeding up intrinsic-test

  rust-lang/stdarch#1851 · Filter by author folkertdev opened on Jul 8, 2025
  4

• Define unaligned vector types in stdarch

  rust-lang/stdarch#1836 · Filter by author folkertdev opened on Jun 27, 2025
  5

• RISC-V RVV intrinsics are missing

  rust-lang/stdarch#1817 · Filter by author nazar-pc opened on Jun 2, 2025
  3

• Broken docs for std-detect on docs.rs

  rust-lang/stdarch#1799 · Filter by author VorpalBlade opened on May 16, 2025
  5

• Some target features are not available in CI tests

  rust-lang/stdarch#1787 · Filter by author sayantn opened on Apr 23, 2025

• aarch64: use portable SIMD intrinsics where possible

  rust-lang/stdarch#1659 · Filter by author RalfJung opened on Oct 24, 2024
  1

• Change PR strategy from rebase to merge?

  rust-lang/stdarch#1501 · Filter by author RalfJung opened on Nov 21, 2023
  6

• Support prctl(PR_GET_AUXV) as fallback when getauxval doesn't exist

  rust-lang/stdarch#1480 · Filter by author bjorn3 opened on Oct 10, 2023

• Deprecate all floating-point status register functions across architectures

  rust-lang/stdarch#1479 · Filter by author RalfJung opened on Oct 9, 2023
  10

• re-enable the currently disable ppc tests once qemu is fixed

  A-powerpcA-testing
  rust-lang/stdarch#1425 · Filter by author lu-zero opened on May 2, 2023
  2

• Change Status flags in EFLAGS(ZF)

  rust-lang/stdarch#1287 · Filter by author minybot opened on Mar 3, 2022
  3

• p64 load/store intrinsics not properly inlined on arm

  rust-lang/stdarch#1236 · Filter by author hkratz opened on Oct 22, 2021
  2

• the neon section is not properly documented

  rust-lang/stdarch#1222 · Filter by author lu-zero opened on Sep 24, 2021

• Inlining checks are broken for arm

  rust-lang/stdarch#1210 · Filter by author hkratz opened on Sep 8, 2021
  2