diff options
Diffstat (limited to 'alc/mixer/mixer_sse.cpp')
| -rw-r--r-- | alc/mixer/mixer_sse.cpp | 29 |
1 files changed, 13 insertions, 16 deletions
diff --git a/alc/mixer/mixer_sse.cpp b/alc/mixer/mixer_sse.cpp index 36690a2e..8d2abc88 100644 --- a/alc/mixer/mixer_sse.cpp +++ b/alc/mixer/mixer_sse.cpp @@ -34,31 +34,28 @@ const ALfloat *Resample_<BSincTag,SSETag>(const InterpState *state, const ALfloa const ALfloat pf{(frac & ((1<<FRAC_PHASE_BITDIFF)-1)) * (1.0f/(1<<FRAC_PHASE_BITDIFF))}; #undef FRAC_PHASE_BITDIFF - ALsizei offset{m*pi*4}; - const __m128 *fil{reinterpret_cast<const __m128*>(filter + offset)}; offset += m; - const __m128 *scd{reinterpret_cast<const __m128*>(filter + offset)}; offset += m; - const __m128 *phd{reinterpret_cast<const __m128*>(filter + offset)}; offset += m; - const __m128 *spd{reinterpret_cast<const __m128*>(filter + offset)}; - // Apply the scale and phase interpolated filter. __m128 r4{_mm_setzero_ps()}; { - const ALsizei count{m >> 2}; const __m128 pf4{_mm_set1_ps(pf)}; - - ASSUME(count > 0); + const float *fil{filter + m*pi*4}; + const float *scd{fil + m}; + const float *phd{scd + m}; + const float *spd{phd + m}; + ALsizei td{m >> 2}; + size_t j{0u}; #define MLA4(x, y, z) _mm_add_ps(x, _mm_mul_ps(y, z)) - for(ALsizei j{0};j < count;j++) - { + do { /* f = ((fil + sf*scd) + pf*(phd + sf*spd)) */ const __m128 f4 = MLA4( - MLA4(fil[j], sf4, scd[j]), - pf4, MLA4(phd[j], sf4, spd[j]) - ); + MLA4(_mm_load_ps(fil), sf4, _mm_load_ps(scd)), + pf4, MLA4(_mm_load_ps(phd), sf4, _mm_load_ps(spd))); + fil += 4; scd += 4; phd += 4; spd += 4; /* r += f*src */ - r4 = MLA4(r4, f4, _mm_loadu_ps(&src[j*4])); - } + r4 = MLA4(r4, f4, _mm_loadu_ps(&src[j])); + j += 4; + } while(--td); #undef MLA4 } r4 = _mm_add_ps(r4, _mm_shuffle_ps(r4, r4, _MM_SHUFFLE(0, 1, 2, 3))); |