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audioconvert: fix rare unaligned load exceptions

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Supposed causes described in the issue. Also improve float semantics.

Fixes #3790
This commit is contained in:
Dmitry Sharshakov 2024-01-16 14:30:09 +03:00 • committed by Wim Taymans
parent a769a014e0
commit e2844e4421
1 changed files with 8 additions and 8 deletions
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16
spa/plugins/audioconvert/resample-native-avx.c
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@ -16,18 +16,18 @@ static inline void inner_product_avx(float *d, const float * SPA_RESTRICT s,
uint32_t n_taps4 = n_taps & ~0xf;
for (; i < n_taps4; i += 16) {
ty = (__m256)_mm256_lddqu_si256((__m256i*)(s + i + 0));
ty = (__m256)_mm256_loadu_ps(s + i + 0);
sy[0] = _mm256_fmadd_ps(ty, _mm256_load_ps(taps + i + 0), sy[0]);
ty = (__m256)_mm256_lddqu_si256((__m256i*)(s + i + 8));
ty = (__m256)_mm256_loadu_ps(s + i + 8);
sy[1] = _mm256_fmadd_ps(ty, _mm256_load_ps(taps + i + 8), sy[1]);
}
sy[0] = _mm256_add_ps(sy[1], sy[0]);
sx[1] = _mm256_extractf128_ps(sy[0], 1);
sx[0] = _mm256_extractf128_ps(sy[0], 0);
for (; i < n_taps; i += 8) {
tx = (__m128)_mm_lddqu_si128((__m128i*)(s + i + 0));
tx = (__m128)_mm_loadu_ps(s + i + 0);
sx[0] = _mm_fmadd_ps(tx, _mm_load_ps(taps + i + 0), sx[0]);
tx = (__m128)_mm_lddqu_si128((__m128i*)(s + i + 4));
tx = (__m128)_mm_loadu_ps(s + i + 4);
sx[1] = _mm_fmadd_ps(tx, _mm_load_ps(taps + i + 4), sx[1]);
}
sx[0] = _mm_add_ps(sx[0], sx[1]);
@ -45,10 +45,10 @@ static inline void inner_product_ip_avx(float *d, const float * SPA_RESTRICT s,
uint32_t i, n_taps4 = n_taps & ~0xf;
for (i = 0; i < n_taps4; i += 16) {
ty = (__m256)_mm256_lddqu_si256((__m256i*)(s + i + 0));
ty = (__m256)_mm256_loadu_ps(s + i + 0);
sy[0] = _mm256_fmadd_ps(ty, _mm256_load_ps(t0 + i + 0), sy[0]);
sy[1] = _mm256_fmadd_ps(ty, _mm256_load_ps(t1 + i + 0), sy[1]);
ty = (__m256)_mm256_lddqu_si256((__m256i*)(s + i + 8));
ty = (__m256)_mm256_loadu_ps(s + i + 8);
sy[0] = _mm256_fmadd_ps(ty, _mm256_load_ps(t0 + i + 8), sy[0]);
sy[1] = _mm256_fmadd_ps(ty, _mm256_load_ps(t1 + i + 8), sy[1]);
}
@ -56,10 +56,10 @@ static inline void inner_product_ip_avx(float *d, const float * SPA_RESTRICT s,
sx[1] = _mm_add_ps(_mm256_extractf128_ps(sy[1], 0), _mm256_extractf128_ps(sy[1], 1));
for (; i < n_taps; i += 8) {
tx = (__m128)_mm_lddqu_si128((__m128i*)(s + i + 0));
tx = (__m128)_mm_loadu_ps(s + i + 0);
sx[0] = _mm_fmadd_ps(tx, _mm_load_ps(t0 + i + 0), sx[0]);
sx[1] = _mm_fmadd_ps(tx, _mm_load_ps(t1 + i + 0), sx[1]);
tx = (__m128)_mm_lddqu_si128((__m128i*)(s + i + 4));
tx = (__m128)_mm_loadu_ps(s + i + 4);
sx[0] = _mm_fmadd_ps(tx, _mm_load_ps(t0 + i + 4), sx[0]);
sx[1] = _mm_fmadd_ps(tx, _mm_load_ps(t1 + i + 4), sx[1]);
}