diff options
Diffstat (limited to 'Alc/mixer/mixer_sse41.c')
| -rw-r--r-- | Alc/mixer/mixer_sse41.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/Alc/mixer/mixer_sse41.c b/Alc/mixer/mixer_sse41.c index 396b7c7c..128acadf 100644 --- a/Alc/mixer/mixer_sse41.c +++ b/Alc/mixer/mixer_sse41.c @@ -35,20 +35,19 @@ const ALfloat *Resample_lerp_SSE41(const InterpState* UNUSED(state), const __m128i increment4 = _mm_set1_epi32(increment*4); const __m128 fracOne4 = _mm_set1_ps(1.0f/FRACTIONONE); const __m128i fracMask4 = _mm_set1_epi32(FRACTIONMASK); - union { alignas(16) ALint i[4]; float f[4]; } pos_; - union { alignas(16) ALsizei i[4]; float f[4]; } frac_; + ALint pos_[4]; + ALsizei frac_[4]; __m128i frac4, pos4; - ALint pos; - ALsizei i; + ALsizei todo, pos, i; ASSUME(numsamples > 0); - InitiatePositionArrays(frac, increment, frac_.i, pos_.i, 4); + InitiatePositionArrays(frac, increment, frac_, pos_, 4); + frac4 = _mm_setr_epi32(frac_[0], frac_[1], frac_[2], frac_[3]); + pos4 = _mm_setr_epi32(pos_[0], pos_[1], pos_[2], pos_[3]); - frac4 = _mm_castps_si128(_mm_load_ps(frac_.f)); - pos4 = _mm_castps_si128(_mm_load_ps(pos_.f)); - - for(i = 0;numsamples-i > 3;i += 4) + todo = numsamples & ~3; + for(i = 0;i < todo;i += 4) { const int pos0 = _mm_extract_epi32(pos4, 0); const int pos1 = _mm_extract_epi32(pos4, 1); @@ -75,7 +74,7 @@ const ALfloat *Resample_lerp_SSE41(const InterpState* UNUSED(state), pos = _mm_cvtsi128_si32(pos4); frac = _mm_cvtsi128_si32(frac4); - for(;i < numsamples;i++) + for(;i < numsamples;++i) { dst[i] = lerp(src[pos], src[pos+1], frac * (1.0f/FRACTIONONE)); |