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resample: don't use hadd, it is slow

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This commit is contained in:
Wim Taymans 2026-04-22 18:23:33 +02:00
parent a0518e28bb
commit dfeca5806f
1 changed files with 4 additions and 4 deletions
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8
spa/plugins/audioconvert/resample-native-avx2.c
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@ -31,8 +31,8 @@ static inline void inner_product_avx2(float *d, const float * SPA_RESTRICT s,
sx[1] = _mm_fmadd_ps(tx, _mm_load_ps(taps + i + 4), sx[1]); sx[1] = _mm_fmadd_ps(tx, _mm_load_ps(taps + i + 4), sx[1]);
} }
sx[0] = _mm_add_ps(sx[0], sx[1]); sx[0] = _mm_add_ps(sx[0], sx[1]);
sx[0] = _mm_hadd_ps(sx[0], sx[0]); sx[0] = _mm_add_ps(sx[0], _mm_movehl_ps(sx[0], sx[0]));
sx[0] = _mm_hadd_ps(sx[0], sx[0]); sx[0] = _mm_add_ss(sx[0], _mm_movehdup_ps(sx[0]));
_mm_store_ss(d, sx[0]); _mm_store_ss(d, sx[0]);
} }
@ -65,8 +65,8 @@ static inline void inner_product_ip_avx2(float *d, const float * SPA_RESTRICT s,
} }
sx[1] = _mm_mul_ps(_mm_sub_ps(sx[1], sx[0]), _mm_load1_ps(&x)); sx[1] = _mm_mul_ps(_mm_sub_ps(sx[1], sx[0]), _mm_load1_ps(&x));
sx[0] = _mm_add_ps(sx[0], sx[1]); sx[0] = _mm_add_ps(sx[0], sx[1]);
sx[0] = _mm_hadd_ps(sx[0], sx[0]); sx[0] = _mm_add_ps(sx[0], _mm_movehl_ps(sx[0], sx[0]));
sx[0] = _mm_hadd_ps(sx[0], sx[0]); sx[0] = _mm_add_ss(sx[0], _mm_movehdup_ps(sx[0]));
_mm_store_ss(d, sx[0]); _mm_store_ss(d, sx[0]);
} }