diff options
Diffstat (limited to 'libvpx/vp9/encoder/x86/vp9_dct_sse2.c')
| -rw-r--r-- | libvpx/vp9/encoder/x86/vp9_dct_sse2.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/libvpx/vp9/encoder/x86/vp9_dct_sse2.c b/libvpx/vp9/encoder/x86/vp9_dct_sse2.c index dc11501..fefca66 100644 --- a/libvpx/vp9/encoder/x86/vp9_dct_sse2.c +++ b/libvpx/vp9/encoder/x86/vp9_dct_sse2.c @@ -206,12 +206,12 @@ void fadst4_1d_sse2(__m128i *in) { const __m128i k__DCT_CONST_ROUNDING = _mm_set1_epi32(DCT_CONST_ROUNDING); __m128i u[8], v[8]; __m128i in7 = _mm_add_epi16(in[0], in[1]); - in7 = _mm_sub_epi16(in7, in[3]); u[0] = _mm_unpacklo_epi16(in[0], in[1]); u[1] = _mm_unpacklo_epi16(in[2], in[3]); u[2] = _mm_unpacklo_epi16(in7, kZero); u[3] = _mm_unpacklo_epi16(in[2], kZero); + u[4] = _mm_unpacklo_epi16(in[3], kZero); v[0] = _mm_madd_epi16(u[0], k__sinpi_p01_p02); // s0 + s2 v[1] = _mm_madd_epi16(u[1], k__sinpi_p03_p04); // s4 + s5 @@ -219,9 +219,10 @@ void fadst4_1d_sse2(__m128i *in) { v[3] = _mm_madd_epi16(u[0], k__sinpi_p04_m01); // s1 - s3 v[4] = _mm_madd_epi16(u[1], k__sinpi_m03_p02); // -s4 + s6 v[5] = _mm_madd_epi16(u[3], k__sinpi_p03_p03); // s4 + v[6] = _mm_madd_epi16(u[4], k__sinpi_p03_p03); u[0] = _mm_add_epi32(v[0], v[1]); - u[1] = v[2]; + u[1] = _mm_sub_epi32(v[2], v[6]); u[2] = _mm_add_epi32(v[3], v[4]); u[3] = _mm_sub_epi32(u[2], u[0]); u[4] = _mm_slli_epi32(v[5], 2); |