diff options
Diffstat (limited to 'vp9/encoder/x86/vp9_dct32x32_sse2.c')
| -rw-r--r-- | vp9/encoder/x86/vp9_dct32x32_sse2.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/vp9/encoder/x86/vp9_dct32x32_sse2.c b/vp9/encoder/x86/vp9_dct32x32_sse2.c index de47a5bf1..2d59775ce 100644 --- a/vp9/encoder/x86/vp9_dct32x32_sse2.c +++ b/vp9/encoder/x86/vp9_dct32x32_sse2.c @@ -29,7 +29,7 @@ static INLINE __m128i k_packs_epi64(__m128i a, __m128i b) { } #endif -void FDCT32x32_2D(int16_t *input, +void FDCT32x32_2D(const int16_t *input, int16_t *output_org, int stride) { // Calculate pre-multiplied strides const int str1 = stride; @@ -93,13 +93,13 @@ void FDCT32x32_2D(int16_t *input, // Note: even though all the loads below are aligned, using the aligned // intrinsic make the code slightly slower. if (0 == pass) { - int16_t *in = &input[column_start]; + const int16_t *in = &input[column_start]; // step1[i] = (in[ 0 * stride] + in[(32 - 1) * stride]) << 2; // Note: the next four blocks could be in a loop. That would help the // instruction cache but is actually slower. { - int16_t *ina = in + 0 * str1; - int16_t *inb = in + 31 * str1; + const int16_t *ina = in + 0 * str1; + const int16_t *inb = in + 31 * str1; __m128i *step1a = &step1[ 0]; __m128i *step1b = &step1[31]; const __m128i ina0 = _mm_loadu_si128((const __m128i *)(ina)); @@ -128,8 +128,8 @@ void FDCT32x32_2D(int16_t *input, step1b[-0] = _mm_slli_epi16(step1b[-0], 2); } { - int16_t *ina = in + 4 * str1; - int16_t *inb = in + 27 * str1; + const int16_t *ina = in + 4 * str1; + const int16_t *inb = in + 27 * str1; __m128i *step1a = &step1[ 4]; __m128i *step1b = &step1[27]; const __m128i ina0 = _mm_loadu_si128((const __m128i *)(ina)); @@ -158,8 +158,8 @@ void FDCT32x32_2D(int16_t *input, step1b[-0] = _mm_slli_epi16(step1b[-0], 2); } { - int16_t *ina = in + 8 * str1; - int16_t *inb = in + 23 * str1; + const int16_t *ina = in + 8 * str1; + const int16_t *inb = in + 23 * str1; __m128i *step1a = &step1[ 8]; __m128i *step1b = &step1[23]; const __m128i ina0 = _mm_loadu_si128((const __m128i *)(ina)); @@ -188,8 +188,8 @@ void FDCT32x32_2D(int16_t *input, step1b[-0] = _mm_slli_epi16(step1b[-0], 2); } { - int16_t *ina = in + 12 * str1; - int16_t *inb = in + 19 * str1; + const int16_t *ina = in + 12 * str1; + const int16_t *inb = in + 19 * str1; __m128i *step1a = &step1[12]; __m128i *step1b = &step1[19]; const __m128i ina0 = _mm_loadu_si128((const __m128i *)(ina)); |