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This preserves BC while allowing compilation on older systems like Debian 10.
jmvalin
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Sep 17, 2024
| for (i = 0; i < psEncC->subfr_length; i+=4) | ||
| { | ||
| __m256i x = _mm256_cvtepi16_epi64(_mm_loadu_si64(&x16[i])); | ||
| __m256i x = _mm256_cvtepi16_epi64(_mm_loadl_epi64(&x16[i])); |
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_mm_loadl_epi64() takes a __m128i *, which means the PR would break alignment rules. I suspect there should still be a workaround...
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Both _mm_loadl_epi64 and _mm_loadu_epi64 take void const *
From gcc-14:
extern __inline __m128i __attribute__((__gnu_inline__, __always_inline__, __artificial__))
_mm_loadu_si64 (void const *__P)
{
return _mm_loadl_epi64 ((__m128i_u *)__P);
}
/* */
extern __inline __m128i
__attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
_mm_loadu_epi64 (void const *__P)
{
return (__m128i) (*(__v2di_u *) __P);
}Maybe just adding an (__m128i_u *) cast would be enough??
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Intel doc says otherwise:
https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=_mm_loadl_epi64
Also, __m128i_u is not portable.
Contributor
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How old compilers are you supporting in this project ? In the Baresip project we support these compilers: Supported compilers:
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This preserves BC while allowing compilation on older systems like Debian 10.
Inspired from ggml-org/llama.cpp#1154