diff options
Diffstat (limited to 'core/src/fxcodec/fx_libopenjpeg')
| -rw-r--r-- | core/src/fxcodec/fx_libopenjpeg/libopenjpeg20/mct.c | 89 |
1 files changed, 37 insertions, 52 deletions
diff --git a/core/src/fxcodec/fx_libopenjpeg/libopenjpeg20/mct.c b/core/src/fxcodec/fx_libopenjpeg/libopenjpeg20/mct.c index c4341ec1bb..89f82225a0 100644 --- a/core/src/fxcodec/fx_libopenjpeg/libopenjpeg20/mct.c +++ b/core/src/fxcodec/fx_libopenjpeg/libopenjpeg20/mct.c @@ -150,58 +150,43 @@ void opj_mct_decode_real( { OPJ_UINT32 i; #ifdef __SSE__ - // Mantis BUGID: 0056291. The address must be 16-byte aligned. - // TestFile: fuzz-signal_sigsegv_6e9e7f_5076_5265.pdf - if ((OPJ_UINT32)c0 % 16 == 0 && (OPJ_UINT32)c1 % 16 == 0 && (OPJ_UINT32)c2 % 16 == 0){ - __m128 vrv, vgu, vgv, vbu; - vrv = _mm_set1_ps(1.402f); - vgu = _mm_set1_ps(0.34413f); - vgv = _mm_set1_ps(0.71414f); - vbu = _mm_set1_ps(1.772f); - for (i = 0; i < (n >> 3); ++i) { - __m128 vy, vu, vv; - __m128 vr, vg, vb; - - vy = _mm_load_ps(c0); - vu = _mm_load_ps(c1); - vv = _mm_load_ps(c2); - vr = _mm_add_ps(vy, _mm_mul_ps(vv, vrv)); - vg = _mm_sub_ps(_mm_sub_ps(vy, _mm_mul_ps(vu, vgu)), _mm_mul_ps(vv, vgv)); - vb = _mm_add_ps(vy, _mm_mul_ps(vu, vbu)); - _mm_store_ps(c0, vr); - _mm_store_ps(c1, vg); - _mm_store_ps(c2, vb); - c0 += 4; - c1 += 4; - c2 += 4; - - vy = _mm_load_ps(c0); - vu = _mm_load_ps(c1); - vv = _mm_load_ps(c2); - vr = _mm_add_ps(vy, _mm_mul_ps(vv, vrv)); - vg = _mm_sub_ps(_mm_sub_ps(vy, _mm_mul_ps(vu, vgu)), _mm_mul_ps(vv, vgv)); - vb = _mm_add_ps(vy, _mm_mul_ps(vu, vbu)); - _mm_store_ps(c0, vr); - _mm_store_ps(c1, vg); - _mm_store_ps(c2, vb); - c0 += 4; - c1 += 4; - c2 += 4; - } - n &= 7; - } else { - for (i = 0; i < n; ++i) { - OPJ_FLOAT32 y = c0[i]; - OPJ_FLOAT32 u = c1[i]; - OPJ_FLOAT32 v = c2[i]; - OPJ_FLOAT32 r = y + (v * 1.402f); - OPJ_FLOAT32 g = y - (u * 0.34413f) - (v * (0.71414f)); - OPJ_FLOAT32 b = y + (u * 1.772f); - c0[i] = r; - c1[i] = g; - c2[i] = b; - } - } + __m128 vrv, vgu, vgv, vbu; + vrv = _mm_set1_ps(1.402f); + vgu = _mm_set1_ps(0.34413f); + vgv = _mm_set1_ps(0.71414f); + vbu = _mm_set1_ps(1.772f); + for (i = 0; i < (n >> 3); ++i) { + __m128 vy, vu, vv; + __m128 vr, vg, vb; + + vy = _mm_load_ps(c0); + vu = _mm_load_ps(c1); + vv = _mm_load_ps(c2); + vr = _mm_add_ps(vy, _mm_mul_ps(vv, vrv)); + vg = _mm_sub_ps(_mm_sub_ps(vy, _mm_mul_ps(vu, vgu)), _mm_mul_ps(vv, vgv)); + vb = _mm_add_ps(vy, _mm_mul_ps(vu, vbu)); + _mm_store_ps(c0, vr); + _mm_store_ps(c1, vg); + _mm_store_ps(c2, vb); + c0 += 4; + c1 += 4; + c2 += 4; + + vy = _mm_load_ps(c0); + vu = _mm_load_ps(c1); + vv = _mm_load_ps(c2); + vr = _mm_add_ps(vy, _mm_mul_ps(vv, vrv)); + vg = _mm_sub_ps(_mm_sub_ps(vy, _mm_mul_ps(vu, vgu)), _mm_mul_ps(vv, vgv)); + vb = _mm_add_ps(vy, _mm_mul_ps(vu, vbu)); + _mm_store_ps(c0, vr); + _mm_store_ps(c1, vg); + _mm_store_ps(c2, vb); + c0 += 4; + c1 += 4; + c2 += 4; + } + n &= 7; + #endif for(i = 0; i < n; ++i) { OPJ_FLOAT32 y = c0[i]; |