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cosmetics: enc_sse2: add const to some casts
source pointers are often cast to __m128*, retain the const in those cases Change-Id: Ib85d63abbb9fc33096f893c2524d3ce8ae3ebd03
This commit is contained in:
James Zern
parent
860badcacc
commit
183168f332
@ -130,19 +130,19 @@ static void ITransform(const uint8_t* ref, const int16_t* in, uint8_t* dst,
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// use nor store.
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__m128i in0, in1, in2, in3;
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{
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in0 = _mm_loadl_epi64((__m128i*)&in[0]);
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in1 = _mm_loadl_epi64((__m128i*)&in[4]);
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in2 = _mm_loadl_epi64((__m128i*)&in[8]);
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in3 = _mm_loadl_epi64((__m128i*)&in[12]);
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in0 = _mm_loadl_epi64((const __m128i*)&in[0]);
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in1 = _mm_loadl_epi64((const __m128i*)&in[4]);
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in2 = _mm_loadl_epi64((const __m128i*)&in[8]);
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in3 = _mm_loadl_epi64((const __m128i*)&in[12]);
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// a00 a10 a20 a30 x x x x
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// a01 a11 a21 a31 x x x x
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// a02 a12 a22 a32 x x x x
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// a03 a13 a23 a33 x x x x
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if (do_two) {
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const __m128i inB0 = _mm_loadl_epi64((__m128i*)&in[16]);
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const __m128i inB1 = _mm_loadl_epi64((__m128i*)&in[20]);
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const __m128i inB2 = _mm_loadl_epi64((__m128i*)&in[24]);
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const __m128i inB3 = _mm_loadl_epi64((__m128i*)&in[28]);
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const __m128i inB0 = _mm_loadl_epi64((const __m128i*)&in[16]);
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const __m128i inB1 = _mm_loadl_epi64((const __m128i*)&in[20]);
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const __m128i inB2 = _mm_loadl_epi64((const __m128i*)&in[24]);
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const __m128i inB3 = _mm_loadl_epi64((const __m128i*)&in[28]);
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in0 = _mm_unpacklo_epi64(in0, inB0);
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in1 = _mm_unpacklo_epi64(in1, inB1);
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in2 = _mm_unpacklo_epi64(in2, inB2);
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@ -279,16 +279,16 @@ static void ITransform(const uint8_t* ref, const int16_t* in, uint8_t* dst,
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__m128i ref0, ref1, ref2, ref3;
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if (do_two) {
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// Load eight bytes/pixels per line.
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ref0 = _mm_loadl_epi64((__m128i*)&ref[0 * BPS]);
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ref1 = _mm_loadl_epi64((__m128i*)&ref[1 * BPS]);
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ref2 = _mm_loadl_epi64((__m128i*)&ref[2 * BPS]);
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ref3 = _mm_loadl_epi64((__m128i*)&ref[3 * BPS]);
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ref0 = _mm_loadl_epi64((const __m128i*)&ref[0 * BPS]);
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ref1 = _mm_loadl_epi64((const __m128i*)&ref[1 * BPS]);
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ref2 = _mm_loadl_epi64((const __m128i*)&ref[2 * BPS]);
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ref3 = _mm_loadl_epi64((const __m128i*)&ref[3 * BPS]);
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} else {
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// Load four bytes/pixels per line.
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ref0 = _mm_cvtsi32_si128(*(int*)&ref[0 * BPS]);
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ref1 = _mm_cvtsi32_si128(*(int*)&ref[1 * BPS]);
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ref2 = _mm_cvtsi32_si128(*(int*)&ref[2 * BPS]);
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ref3 = _mm_cvtsi32_si128(*(int*)&ref[3 * BPS]);
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ref0 = _mm_cvtsi32_si128(*(const int*)&ref[0 * BPS]);
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ref1 = _mm_cvtsi32_si128(*(const int*)&ref[1 * BPS]);
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ref2 = _mm_cvtsi32_si128(*(const int*)&ref[2 * BPS]);
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ref3 = _mm_cvtsi32_si128(*(const int*)&ref[3 * BPS]);
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}
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// Convert to 16b.
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ref0 = _mm_unpacklo_epi8(ref0, zero);
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@ -345,19 +345,19 @@ static void FTransform(const uint8_t* src, const uint8_t* ref, int16_t* out) {
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// Difference between src and ref and initial transpose.
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{
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// Load src and convert to 16b.
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const __m128i src0 = _mm_loadl_epi64((__m128i*)&src[0 * BPS]);
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const __m128i src1 = _mm_loadl_epi64((__m128i*)&src[1 * BPS]);
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const __m128i src2 = _mm_loadl_epi64((__m128i*)&src[2 * BPS]);
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const __m128i src3 = _mm_loadl_epi64((__m128i*)&src[3 * BPS]);
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const __m128i src0 = _mm_loadl_epi64((const __m128i*)&src[0 * BPS]);
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const __m128i src1 = _mm_loadl_epi64((const __m128i*)&src[1 * BPS]);
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const __m128i src2 = _mm_loadl_epi64((const __m128i*)&src[2 * BPS]);
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const __m128i src3 = _mm_loadl_epi64((const __m128i*)&src[3 * BPS]);
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const __m128i src_0 = _mm_unpacklo_epi8(src0, zero);
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const __m128i src_1 = _mm_unpacklo_epi8(src1, zero);
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const __m128i src_2 = _mm_unpacklo_epi8(src2, zero);
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const __m128i src_3 = _mm_unpacklo_epi8(src3, zero);
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// Load ref and convert to 16b.
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const __m128i ref0 = _mm_loadl_epi64((__m128i*)&ref[0 * BPS]);
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const __m128i ref1 = _mm_loadl_epi64((__m128i*)&ref[1 * BPS]);
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const __m128i ref2 = _mm_loadl_epi64((__m128i*)&ref[2 * BPS]);
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const __m128i ref3 = _mm_loadl_epi64((__m128i*)&ref[3 * BPS]);
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const __m128i ref0 = _mm_loadl_epi64((const __m128i*)&ref[0 * BPS]);
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const __m128i ref1 = _mm_loadl_epi64((const __m128i*)&ref[1 * BPS]);
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const __m128i ref2 = _mm_loadl_epi64((const __m128i*)&ref[2 * BPS]);
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const __m128i ref3 = _mm_loadl_epi64((const __m128i*)&ref[3 * BPS]);
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const __m128i ref_0 = _mm_unpacklo_epi8(ref0, zero);
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const __m128i ref_1 = _mm_unpacklo_epi8(ref1, zero);
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const __m128i ref_2 = _mm_unpacklo_epi8(ref2, zero);
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@ -514,10 +514,10 @@ static int SSE_16xN(const uint8_t* a, const uint8_t* b, int num_pairs) {
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int32_t tmp[4];
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while (num_pairs-- > 0) {
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const __m128i a0 = _mm_loadu_si128((__m128i*)&a[BPS * 0]);
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const __m128i a1 = _mm_loadu_si128((__m128i*)&a[BPS * 1]);
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const __m128i b0 = _mm_loadu_si128((__m128i*)&b[BPS * 0]);
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const __m128i b1 = _mm_loadu_si128((__m128i*)&b[BPS * 1]);
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const __m128i a0 = _mm_loadu_si128((const __m128i*)&a[BPS * 0]);
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const __m128i a1 = _mm_loadu_si128((const __m128i*)&a[BPS * 1]);
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const __m128i b0 = _mm_loadu_si128((const __m128i*)&b[BPS * 0]);
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const __m128i b1 = _mm_loadu_si128((const __m128i*)&b[BPS * 1]);
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const __m128i sum1 = SubtractAndAccumulate(a0, b0);
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const __m128i sum2 = SubtractAndAccumulate(a1, b1);
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const __m128i sum12 = _mm_add_epi32(sum1, sum2);
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@ -538,7 +538,7 @@ static int SSE16x8(const uint8_t* a, const uint8_t* b) {
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}
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#define LOAD_8x16b(ptr) \
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_mm_unpacklo_epi8(_mm_loadl_epi64((__m128i*)(ptr)), zero)
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_mm_unpacklo_epi8(_mm_loadl_epi64((const __m128i*)(ptr)), zero)
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static int SSE8x8(const uint8_t* a, const uint8_t* b) {
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const __m128i zero = _mm_setzero_si128();
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@ -572,14 +572,14 @@ static int SSE4x4(const uint8_t* a, const uint8_t* b) {
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// Load values. Note that we read 8 pixels instead of 4,
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// but the a/b buffers are over-allocated to that effect.
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const __m128i a0 = _mm_loadl_epi64((__m128i*)&a[BPS * 0]);
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const __m128i a1 = _mm_loadl_epi64((__m128i*)&a[BPS * 1]);
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const __m128i a2 = _mm_loadl_epi64((__m128i*)&a[BPS * 2]);
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const __m128i a3 = _mm_loadl_epi64((__m128i*)&a[BPS * 3]);
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const __m128i b0 = _mm_loadl_epi64((__m128i*)&b[BPS * 0]);
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const __m128i b1 = _mm_loadl_epi64((__m128i*)&b[BPS * 1]);
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const __m128i b2 = _mm_loadl_epi64((__m128i*)&b[BPS * 2]);
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const __m128i b3 = _mm_loadl_epi64((__m128i*)&b[BPS * 3]);
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const __m128i a0 = _mm_loadl_epi64((const __m128i*)&a[BPS * 0]);
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const __m128i a1 = _mm_loadl_epi64((const __m128i*)&a[BPS * 1]);
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const __m128i a2 = _mm_loadl_epi64((const __m128i*)&a[BPS * 2]);
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const __m128i a3 = _mm_loadl_epi64((const __m128i*)&a[BPS * 3]);
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const __m128i b0 = _mm_loadl_epi64((const __m128i*)&b[BPS * 0]);
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const __m128i b1 = _mm_loadl_epi64((const __m128i*)&b[BPS * 1]);
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const __m128i b2 = _mm_loadl_epi64((const __m128i*)&b[BPS * 2]);
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const __m128i b3 = _mm_loadl_epi64((const __m128i*)&b[BPS * 3]);
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// Combine pair of lines.
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const __m128i a01 = _mm_unpacklo_epi32(a0, a1);
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const __m128i a23 = _mm_unpacklo_epi32(a2, a3);
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@ -619,14 +619,14 @@ static int TTransform(const uint8_t* inA, const uint8_t* inB,
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// Load, combine and transpose inputs.
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{
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const __m128i inA_0 = _mm_loadl_epi64((__m128i*)&inA[BPS * 0]);
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const __m128i inA_1 = _mm_loadl_epi64((__m128i*)&inA[BPS * 1]);
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const __m128i inA_2 = _mm_loadl_epi64((__m128i*)&inA[BPS * 2]);
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const __m128i inA_3 = _mm_loadl_epi64((__m128i*)&inA[BPS * 3]);
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const __m128i inB_0 = _mm_loadl_epi64((__m128i*)&inB[BPS * 0]);
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const __m128i inB_1 = _mm_loadl_epi64((__m128i*)&inB[BPS * 1]);
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const __m128i inB_2 = _mm_loadl_epi64((__m128i*)&inB[BPS * 2]);
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const __m128i inB_3 = _mm_loadl_epi64((__m128i*)&inB[BPS * 3]);
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const __m128i inA_0 = _mm_loadl_epi64((const __m128i*)&inA[BPS * 0]);
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const __m128i inA_1 = _mm_loadl_epi64((const __m128i*)&inA[BPS * 1]);
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const __m128i inA_2 = _mm_loadl_epi64((const __m128i*)&inA[BPS * 2]);
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const __m128i inA_3 = _mm_loadl_epi64((const __m128i*)&inA[BPS * 3]);
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const __m128i inB_0 = _mm_loadl_epi64((const __m128i*)&inB[BPS * 0]);
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const __m128i inB_1 = _mm_loadl_epi64((const __m128i*)&inB[BPS * 1]);
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const __m128i inB_2 = _mm_loadl_epi64((const __m128i*)&inB[BPS * 2]);
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const __m128i inB_3 = _mm_loadl_epi64((const __m128i*)&inB[BPS * 3]);
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// Combine inA and inB (we'll do two transforms in parallel).
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const __m128i inAB_0 = _mm_unpacklo_epi8(inA_0, inB_0);
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@ -707,8 +707,8 @@ static int TTransform(const uint8_t* inA, const uint8_t* inB,
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// Load all inputs.
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// TODO(cduvivier): Make variable declarations and allocations aligned so
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// we can use _mm_load_si128 instead of _mm_loadu_si128.
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const __m128i w_0 = _mm_loadu_si128((__m128i*)&w[0]);
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const __m128i w_8 = _mm_loadu_si128((__m128i*)&w[8]);
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const __m128i w_0 = _mm_loadu_si128((const __m128i*)&w[0]);
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const __m128i w_8 = _mm_loadu_si128((const __m128i*)&w[8]);
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// Calculate a and b (two 4x4 at once).
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const __m128i a0 = _mm_add_epi16(tmp_0, tmp_2);
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@ -795,10 +795,10 @@ static WEBP_INLINE int DoQuantizeBlock(int16_t in[16], int16_t out[16],
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// we can use _mm_load_si128 instead of _mm_loadu_si128.
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__m128i in0 = _mm_loadu_si128((__m128i*)&in[0]);
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__m128i in8 = _mm_loadu_si128((__m128i*)&in[8]);
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const __m128i iq0 = _mm_loadu_si128((__m128i*)&mtx->iq_[0]);
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const __m128i iq8 = _mm_loadu_si128((__m128i*)&mtx->iq_[8]);
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const __m128i q0 = _mm_loadu_si128((__m128i*)&mtx->q_[0]);
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const __m128i q8 = _mm_loadu_si128((__m128i*)&mtx->q_[8]);
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const __m128i iq0 = _mm_loadu_si128((const __m128i*)&mtx->iq_[0]);
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const __m128i iq8 = _mm_loadu_si128((const __m128i*)&mtx->iq_[8]);
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const __m128i q0 = _mm_loadu_si128((const __m128i*)&mtx->q_[0]);
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const __m128i q8 = _mm_loadu_si128((const __m128i*)&mtx->q_[8]);
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// extract sign(in) (0x0000 if positive, 0xffff if negative)
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const __m128i sign0 = _mm_cmpgt_epi16(zero, in0);
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@ -812,8 +812,8 @@ static WEBP_INLINE int DoQuantizeBlock(int16_t in[16], int16_t out[16],
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// coeff = abs(in) + sharpen
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if (sharpen != NULL) {
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const __m128i sharpen0 = _mm_loadu_si128((__m128i*)&sharpen[0]);
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const __m128i sharpen8 = _mm_loadu_si128((__m128i*)&sharpen[8]);
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const __m128i sharpen0 = _mm_loadu_si128((const __m128i*)&sharpen[0]);
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const __m128i sharpen8 = _mm_loadu_si128((const __m128i*)&sharpen[8]);
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coeff0 = _mm_add_epi16(coeff0, sharpen0);
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coeff8 = _mm_add_epi16(coeff8, sharpen8);
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}
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@ -831,10 +831,10 @@ static WEBP_INLINE int DoQuantizeBlock(int16_t in[16], int16_t out[16],
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__m128i out_08 = _mm_unpacklo_epi16(coeff_iQ8L, coeff_iQ8H);
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__m128i out_12 = _mm_unpackhi_epi16(coeff_iQ8L, coeff_iQ8H);
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// out = (coeff * iQ + B)
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const __m128i bias_00 = _mm_loadu_si128((__m128i*)&mtx->bias_[0]);
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const __m128i bias_04 = _mm_loadu_si128((__m128i*)&mtx->bias_[4]);
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const __m128i bias_08 = _mm_loadu_si128((__m128i*)&mtx->bias_[8]);
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const __m128i bias_12 = _mm_loadu_si128((__m128i*)&mtx->bias_[12]);
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const __m128i bias_00 = _mm_loadu_si128((const __m128i*)&mtx->bias_[0]);
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const __m128i bias_04 = _mm_loadu_si128((const __m128i*)&mtx->bias_[4]);
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const __m128i bias_08 = _mm_loadu_si128((const __m128i*)&mtx->bias_[8]);
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const __m128i bias_12 = _mm_loadu_si128((const __m128i*)&mtx->bias_[12]);
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out_00 = _mm_add_epi32(out_00, bias_00);
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out_04 = _mm_add_epi32(out_04, bias_04);
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out_08 = _mm_add_epi32(out_08, bias_08);
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