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DLTcollab/sse2neon
_mm_extract_epi16 and _mm_insert_epi16 build failure on Clang

I encountered some error possibly related to sse2neon when trying to port some SSE code to apple soc. ../src/SmoothUV.cpp:73:17: error: argument to __builtin_neon_vgetq_lane_i16 must be a constant integer ...
  • yuygfgg
  • 2
  • Opened 
    on Jan 10
  • #660

DLTcollab/sse2neon
Windows implementation of _mm_alloc()/_mm_free() can use mismatched allocators

Reproducing https://github.com/DLTcollab/sse2neon/pull/657#issuecomment-2564587426 here: If an alignment of 1 is passed to _mm_malloc(), this implementation will allocate with malloc() and then _mm_free() ...
  • invertego
  • 1
  • Opened 
    on Jan 5
  • #658

DLTcollab/sse2neon
512bit builtins support?

clang supports some of these 512bit builtins - do you have support for them? __builtin_ia32_pshufb512 __builtin_ia32_permvarqi512 __builtin_ia32_permvarsi512 __builtin_ia32_cvtb2mask512 __builtin_ia32_cvtd2mask512 ...
  • anujgoyal
  • Opened 
    on Nov 22, 2024
  • #655

DLTcollab/sse2neon
Split off arm64 from arm7 code.

The current source file is harder to follow than it should be. Splitting off the arm7 code into it s own header would help. Then all those fallbacks can be jettisoned. Apple Silicon, iPhone 5S, and all ...
  • alecazam
  • 2
  • Opened 
    on Sep 18, 2024
  • #649

DLTcollab/sse2neon
Optimizations disabled in `_MM_SET_ROUNDING_MODE`

_MM_SET_ROUNDING_MODE is declared as FORCE_INLINE_OPTNONE, which lowers performance. Unless I m missing something, wouldn t it be better to define the r union as volatile instead?
  • jmather-sesi
  • 5
  • Opened 
    on Sep 4, 2024
  • #648

DLTcollab/sse2neon
CI: Upgrade GNU Toolchain Versions for Arm32/Arm64

Currently, the pre-built GNU toolchain for Arm-based CPUs used in our GitHub Actions is version GCC 11.2-2022.02, sourced from the Arm Developer website. Given that a more recent version, 13.3.Rel1, is ...
  • jserv
  • 2
  • Opened 
    on Aug 16, 2024
  • #647

DLTcollab/sse2neon
fix break strict-aliasing rules warnings

When we run CI with optimization options, compiler would warn that the codebase break strict-aliasing rules. see the CI https://github.com/DLTcollab/sse2neon/actions/runs/9658424846/job/26639574270?pr=638 ...
  • howjmay
  • 1
  • Opened 
    on Jun 25, 2024
  • #639

DLTcollab/sse2neon
Test failures with newer versions of clang/gcc using O1 and O2

After having a little more of a dig in relation to #633 - it appears that tests are failing on all platforms, including linux, when using newer versions of clang (tested against LLVM 14 through to LLVM ...
  • anthony-linaro
  • 16
  • Opened 
    on May 29, 2024
  • #635

DLTcollab/sse2neon
SSE ordering of the vector

I m using sse2neon with Agner Fogs VCL. In this article I read that the the SSE ordering of the vector in the SIMD type is the reverse of Neon. https://developer.arm.com/documentation/102581/0200/Port-with-SSE2Neon-and-SIMDe ...
  • dtxpression
  • 2
  • Opened 
    on May 24, 2024
  • #634

DLTcollab/sse2neon
Get error "Unsupported target. Must be either ARMv7-A+NEON or ARMv8-A." on armv7 system

I am trying to compile a project using sse2neon.h inside a docker container from the base image balenalib/raspberrypi3-debian:bookworm, using QEMU for armv7 virtualization. Here is some info as printed ...
  • ankith26
  • 2
  • Opened 
    on Apr 18, 2024
  • #629
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