Issues

• possible FMA optimizations

  GSoC/Outreachy-ideas
  simd-everywhere/simde#1440 · Filter by author mr-c opened on Sep 3, 2026

• use of _mm_pow_ps on macOS x64

  simd-everywhere/simde#1412 · Filter by author perdrix52 opened on Jul 12, 2026
  38

• investigate gcc 16-20251214 arm64 -ffast-math -march=native test failures

  simd-everywhere/simde#1370 · Filter by author mr-c opened on Jan 15, 2026

• Remove references to __riscv_zvlsseg

  simd-everywhere/simde#1352 · Filter by author mr-c opened on Oct 23, 2025
  5

• simd-arch.h depends on hedley.h

  simd-everywhere/simde#1351 · Filter by author victorshoup opened on Oct 17, 2025

• Hedley hasn't been updated in 4 years - scoping interest in a new, maintained fork

  simd-everywhere/simde#1307 · Filter by author jevinskie opened on Aug 15, 2025
  1

• Support denormal flush to zero mode

  simd-everywhere/simde#1290 · Filter by author squidbus opened on Mar 7, 2025
  2

• Sharing kram simd library

  simd-everywhere/simde#1289 · Filter by author alecazam opened on Mar 6, 2025

• Build failure on nixos with g++ 14.2.1 (but not 14.3.0) w/ -march=znver4 & -mtune=znver4

  simd-everywhere/simde#1288 · Filter by author PartyWumpus opened on Mar 6, 2025
  8

• meson: Add option to print preprocessor defines

  simd-everywhere/simde#1271 · Filter by author mr-c opened on Jan 28, 2025

• Document how to combine SIMDe and CPU feature based runtime dispatch

  simd-everywhere/simde#1268 · Filter by author sdtckr opened on Jan 27, 2025
  2

• Rounding other than round-to-nearest in floating point: Are these considered issues?

  simd-everywhere/simde#1260 · Filter by author Syonyk opened on Jan 3, 2025
  1

• __umulh, __mulh, _addcarry_u32, and _addcarry_u64

  simd-everywhere/simde#1240 · Filter by author perdrix52 opened on Dec 2, 2024
  1

• vcvt_u32_f32 saturating behaviour

  simd-everywhere/simde#1230 · Filter by author cwiede opened on Oct 31, 2024
  2

• uCLibc may not have complete fenv.h support even if header present

  simd-everywhere/simde#1229 · Filter by author aperezdc opened on Oct 22, 2024
  3

• release 0.8.4

  simd-everywhere/simde#1228 · Filter by author mr-c opened on Oct 21, 2024 · 0.8.4
  4

• _mm256_slli_epi16 to neon failed with Clang18

  simd-everywhere/simde#1227 · Filter by author lijing0010 opened on Oct 11, 2024
  3

• Some question about implementing SVE(and possibly NEON?) intrinsics

  simd-everywhere/simde#1225 · Filter by author MeteorEmber opened on Sep 23, 2024
  1

• AVX512 masked load and store functions (simde_mm512_mask_{loadu,storeu}_*) are implemented incorrectly

  simd-everywhere/simde#1204 · Filter by author JakobEnglhauser opened on Aug 7, 2024
  5

• SIMDE is swapping the definition of SIMDE_MM_HINT_T0 and T2

  simd-everywhere/simde#1186 · Filter by author galanhir opened on May 27, 2024
  5

• reimplement the removed FCVTZS/FCVTMS/FCVTPS/FCVTNS family intrinsics

  simd-everywhere/simde#1177 · Filter by author mr-c opened on Apr 30, 2024
  1

• MMX/SSE related functions

  instruction-set-support
  simd-everywhere/simde#1169 · Filter by author Torinde opened on Mar 28, 2024
  5

• CLMUL - remaining functions

  instruction-set-support
  simd-everywhere/simde#1168 · Filter by author Torinde opened on Mar 28, 2024
  2

• LWP functions (XOP related)

  instruction-set-support
  simd-everywhere/simde#1167 · Filter by author Torinde opened on Mar 28, 2024
  4

• TBM functions (XOP related)

  instruction-set-support
  simd-everywhere/simde#1166 · Filter by author Torinde opened on Mar 28, 2024