diff options
| author | Chris Robinson <[email protected]> | 2018-09-03 12:18:06 -0700 |
|---|---|---|
| committer | Chris Robinson <[email protected]> | 2018-09-03 12:42:31 -0700 |
| commit | fce86815f494b981f3cbbba290f5399c9907dee7 (patch) | |
| tree | 3a83696340c7abcfbec0c041a8ad899759b90b14 /Alc/mixer/mixer_sse2.c | |
| parent | 3b4f28d173d21bad20f28ec41f594f88459596dd (diff) | |
Extract SIMD values right before using them
Diffstat (limited to 'Alc/mixer/mixer_sse2.c')
| -rw-r--r-- | Alc/mixer/mixer_sse2.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/Alc/mixer/mixer_sse2.c b/Alc/mixer/mixer_sse2.c index e0198022..83aaf7f2 100644 --- a/Alc/mixer/mixer_sse2.c +++ b/Alc/mixer/mixer_sse2.c @@ -49,8 +49,12 @@ const ALfloat *Resample_lerp_SSE2(const InterpState* UNUSED(state), for(i = 0;numsamples-i > 3;i += 4) { - const __m128 val1 = _mm_setr_ps(src[pos_.i[0] ], src[pos_.i[1] ], src[pos_.i[2] ], src[pos_.i[3] ]); - const __m128 val2 = _mm_setr_ps(src[pos_.i[0]+1], src[pos_.i[1]+1], src[pos_.i[2]+1], src[pos_.i[3]+1]); + const int pos0 = _mm_cvtsi128_si32(_mm_shuffle_epi32(pos4, _MM_SHUFFLE(0, 0, 0, 0))); + const int pos1 = _mm_cvtsi128_si32(_mm_shuffle_epi32(pos4, _MM_SHUFFLE(1, 1, 1, 1))); + const int pos2 = _mm_cvtsi128_si32(_mm_shuffle_epi32(pos4, _MM_SHUFFLE(2, 2, 2, 2))); + const int pos3 = _mm_cvtsi128_si32(_mm_shuffle_epi32(pos4, _MM_SHUFFLE(3, 3, 3, 3))); + const __m128 val1 = _mm_setr_ps(src[pos0 ], src[pos1 ], src[pos2 ], src[pos3 ]); + const __m128 val2 = _mm_setr_ps(src[pos0+1], src[pos1+1], src[pos2+1], src[pos3+1]); /* val1 + (val2-val1)*mu */ const __m128 r0 = _mm_sub_ps(val2, val1); @@ -62,17 +66,12 @@ const ALfloat *Resample_lerp_SSE2(const InterpState* UNUSED(state), frac4 = _mm_add_epi32(frac4, increment4); pos4 = _mm_add_epi32(pos4, _mm_srli_epi32(frac4, FRACTIONBITS)); frac4 = _mm_and_si128(frac4, fracMask4); - - pos_.i[0] = _mm_cvtsi128_si32(_mm_shuffle_epi32(pos4, _MM_SHUFFLE(0, 0, 0, 0))); - pos_.i[1] = _mm_cvtsi128_si32(_mm_shuffle_epi32(pos4, _MM_SHUFFLE(1, 1, 1, 1))); - pos_.i[2] = _mm_cvtsi128_si32(_mm_shuffle_epi32(pos4, _MM_SHUFFLE(2, 2, 2, 2))); - pos_.i[3] = _mm_cvtsi128_si32(_mm_shuffle_epi32(pos4, _MM_SHUFFLE(3, 3, 3, 3))); } /* NOTE: These four elements represent the position *after* the last four * samples, so the lowest element is the next position to resample. */ - pos = pos_.i[0]; + pos = _mm_cvtsi128_si32(pos4); frac = _mm_cvtsi128_si32(frac4); for(;i < numsamples;i++) |