Remove the sinc8 resampler option

Perf shows less than 1 percent CPU difference from the higher quality bsinc
resampler, but uses almost twice as much memory (a 128KB lookup table).

1 files changed, 4 insertions, 77 deletions

diff --git a/Alc/mixer_sse41.c b/Alc/mixer_sse41.c
index 7ae5bec7..61be4cae 100644
--- a/Alc/mixer_sse41.c
+++ b/Alc/mixer_sse41.c
@@ -109,10 +109,10 @@ const ALfloat *Resample_fir4_32_SSE41(const InterpState* UNUSED(state),
         const __m128 val1 = _mm_loadu_ps(&src[pos_.i[1]]);
         const __m128 val2 = _mm_loadu_ps(&src[pos_.i[2]]);
         const __m128 val3 = _mm_loadu_ps(&src[pos_.i[3]]);
-        __m128 k0 = _mm_load_ps(ResampleCoeffs.FIR4[frac_.i[0]]);
-        __m128 k1 = _mm_load_ps(ResampleCoeffs.FIR4[frac_.i[1]]);
-        __m128 k2 = _mm_load_ps(ResampleCoeffs.FIR4[frac_.i[2]]);
-        __m128 k3 = _mm_load_ps(ResampleCoeffs.FIR4[frac_.i[3]]);
+        __m128 k0 = _mm_load_ps(ResampleCoeffs_FIR4[frac_.i[0]]);
+        __m128 k1 = _mm_load_ps(ResampleCoeffs_FIR4[frac_.i[1]]);
+        __m128 k2 = _mm_load_ps(ResampleCoeffs_FIR4[frac_.i[2]]);
+        __m128 k3 = _mm_load_ps(ResampleCoeffs_FIR4[frac_.i[3]]);
         __m128 out;
 
         k0 = _mm_mul_ps(k0, val0);
@@ -152,76 +152,3 @@ const ALfloat *Resample_fir4_32_SSE41(const InterpState* UNUSED(state),
     }
     return dst;
 }
-
-const ALfloat *Resample_fir8_32_SSE41(const InterpState* UNUSED(state),
-  const ALfloat *restrict src, ALuint frac, ALint increment,
-  ALfloat *restrict dst, ALsizei numsamples)
-{
-    const __m128i increment4 = _mm_set1_epi32(increment*4);
-    const __m128i fracMask4 = _mm_set1_epi32(FRACTIONMASK);
-    union { alignas(16) ALint i[4]; float f[4]; } pos_;
-    union { alignas(16) ALuint i[4]; float f[4]; } frac_;
-    __m128i frac4, pos4;
-    ALsizei i, j;
-    ALint pos;
-
-    InitiatePositionArrays(frac, increment, frac_.i, pos_.i, 4);
-
-    frac4 = _mm_castps_si128(_mm_load_ps(frac_.f));
-    pos4 = _mm_castps_si128(_mm_load_ps(pos_.f));
-
-    src -= 3;
-    for(i = 0;numsamples-i > 3;i += 4)
-    {
-        __m128 out[2];
-        for(j = 0;j < 8;j+=4)
-        {
-            const __m128 val0 = _mm_loadu_ps(&src[pos_.i[0]+j]);
-            const __m128 val1 = _mm_loadu_ps(&src[pos_.i[1]+j]);
-            const __m128 val2 = _mm_loadu_ps(&src[pos_.i[2]+j]);
-            const __m128 val3 = _mm_loadu_ps(&src[pos_.i[3]+j]);
-            __m128 k0 = _mm_load_ps(&ResampleCoeffs.FIR8[frac_.i[0]][j]);
-            __m128 k1 = _mm_load_ps(&ResampleCoeffs.FIR8[frac_.i[1]][j]);
-            __m128 k2 = _mm_load_ps(&ResampleCoeffs.FIR8[frac_.i[2]][j]);
-            __m128 k3 = _mm_load_ps(&ResampleCoeffs.FIR8[frac_.i[3]][j]);
-
-            k0 = _mm_mul_ps(k0, val0);
-            k1 = _mm_mul_ps(k1, val1);
-            k2 = _mm_mul_ps(k2, val2);
-            k3 = _mm_mul_ps(k3, val3);
-            k0 = _mm_hadd_ps(k0, k1);
-            k2 = _mm_hadd_ps(k2, k3);
-            out[j>>2] = _mm_hadd_ps(k0, k2);
-        }
-
-        out[0] = _mm_add_ps(out[0], out[1]);
-        _mm_store_ps(&dst[i], out[0]);
-
-        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_extract_epi32(pos4, 0);
-        pos_.i[1] = _mm_extract_epi32(pos4, 1);
-        pos_.i[2] = _mm_extract_epi32(pos4, 2);
-        pos_.i[3] = _mm_extract_epi32(pos4, 3);
-        frac_.i[0] = _mm_extract_epi32(frac4, 0);
-        frac_.i[1] = _mm_extract_epi32(frac4, 1);
-        frac_.i[2] = _mm_extract_epi32(frac4, 2);
-        frac_.i[3] = _mm_extract_epi32(frac4, 3);
-    }
-
-    pos = pos_.i[0];
-    frac = frac_.i[0];
-
-    for(;i < numsamples;i++)
-    {
-        dst[i] = resample_fir8(src[pos  ], src[pos+1], src[pos+2], src[pos+3],
-                               src[pos+4], src[pos+5], src[pos+6], src[pos+7], frac);
-
-        frac += increment;
-        pos  += frac>>FRACTIONBITS;
-        frac &= FRACTIONMASK;
-    }
-    return dst;
-}