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fixes for non-avx targets #239

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fixes for non-avx targets #239

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9 changes: 8 additions & 1 deletion src/vec_avx.h
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Original file line number Diff line number Diff line change
Expand Up @@ -168,6 +168,11 @@ typedef struct {
__m128i lo;
__m128i hi;
} mm256i_emu;

#ifndef __AVX__
typedef long long __m256i __attribute__((__vector_size__(32), __aligned__(32)));
#endif

typedef __m256i real_m256i;
#define __m256i mm256i_emu

Expand Down Expand Up @@ -237,6 +242,8 @@ static inline mm256i_emu mm256_madd_epi16(mm256i_emu a, mm256i_emu b) {
}
#define _mm256_madd_epi16(a,b) mm256_madd_epi16(a,b)

#if defined(__AVX2__) || defined(__SSSE3__)

static inline mm256i_emu mm256_maddubs_epi16(mm256i_emu a, mm256i_emu b) {
mm256i_emu ret;
ret.lo = _mm_maddubs_epi16(a.lo, b.lo);
Expand All @@ -245,7 +252,7 @@ static inline mm256i_emu mm256_maddubs_epi16(mm256i_emu a, mm256i_emu b) {
}
#define _mm256_maddubs_epi16(a,b) mm256_maddubs_epi16(a,b)


#endif

/* Emulating the conversion functions is tricky because they use __m256i but are defined in AVX.
So we need to make a special when only AVX is available. */
Expand Down