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Split HistogramAdd to only have the high level logic in C.

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Change-Id: Ic9eaebf7128ca0215b49d2a13bde1f5b94a28061
This commit is contained in:
Vincent Rabaud
2018-10-17 16:55:30 +02:00
parent 632798ae6f
commit dea3e89983
4 changed files with 72 additions and 122 deletions
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79
src/dsp/lossless_enc_mips32.c
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@ -344,65 +344,29 @@ static void GetCombinedEntropyUnrefined_MIPS32(const uint32_t X[],
ASM_END_COMMON_0 \
ASM_END_COMMON_1
#define ADD_VECTOR(A, B, OUT, SIZE, EXTRA_SIZE) do { \
const uint32_t* pa = (const uint32_t*)(A); \
const uint32_t* pb = (const uint32_t*)(B); \
uint32_t* pout = (uint32_t*)(OUT); \
const uint32_t* const LoopEnd = pa + (SIZE); \
assert((SIZE) % 4 == 0); \
ASM_START \
ADD_TO_OUT(0, 4, 8, 12, 1, pa, pb, pout) \
ASM_END_0 \
if ((EXTRA_SIZE) > 0) { \
const int last = (EXTRA_SIZE); \
int i; \
for (i = 0; i < last; ++i) pout[i] = pa[i] + pb[i]; \
} \
} while (0)
#define ADD_VECTOR_EQ(A, OUT, SIZE, EXTRA_SIZE) do { \
const uint32_t* pa = (const uint32_t*)(A); \
uint32_t* pout = (uint32_t*)(OUT); \
const uint32_t* const LoopEnd = pa + (SIZE); \
assert((SIZE) % 4 == 0); \
ASM_START \
ADD_TO_OUT(0, 4, 8, 12, 0, pa, pout, pout) \
ASM_END_1 \
if ((EXTRA_SIZE) > 0) { \
const int last = (EXTRA_SIZE); \
int i; \
for (i = 0; i < last; ++i) pout[i] += pa[i]; \
} \
} while (0)
static void HistogramAdd_MIPS32(const VP8LHistogram* const a,
const VP8LHistogram* const b,
VP8LHistogram* const out) {
static void AddVector_MIPS32(const uint32_t* pa, const uint32_t* pb,
uint32_t* pout, int size) {
uint32_t temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7;
const int extra_cache_size = VP8LHistogramNumCodes(a->palette_code_bits_)
- (NUM_LITERAL_CODES + NUM_LENGTH_CODES);
assert(a->palette_code_bits_ == b->palette_code_bits_);
if (b != out) {
ADD_VECTOR(a->literal_, b->literal_, out->literal_,
NUM_LITERAL_CODES + NUM_LENGTH_CODES, extra_cache_size);
ADD_VECTOR(a->distance_, b->distance_, out->distance_,
NUM_DISTANCE_CODES, 0);
ADD_VECTOR(a->red_, b->red_, out->red_, NUM_LITERAL_CODES, 0);
ADD_VECTOR(a->blue_, b->blue_, out->blue_, NUM_LITERAL_CODES, 0);
ADD_VECTOR(a->alpha_, b->alpha_, out->alpha_, NUM_LITERAL_CODES, 0);
} else {
ADD_VECTOR_EQ(a->literal_, out->literal_,
NUM_LITERAL_CODES + NUM_LENGTH_CODES, extra_cache_size);
ADD_VECTOR_EQ(a->distance_, out->distance_, NUM_DISTANCE_CODES, 0);
ADD_VECTOR_EQ(a->red_, out->red_, NUM_LITERAL_CODES, 0);
ADD_VECTOR_EQ(a->blue_, out->blue_, NUM_LITERAL_CODES, 0);
ADD_VECTOR_EQ(a->alpha_, out->alpha_, NUM_LITERAL_CODES, 0);
}
const uint32_t end = ((size) / 4) * 4;
const uint32_t* const LoopEnd = pa + end;
int i;
ASM_START
ADD_TO_OUT(0, 4, 8, 12, 1, pa, pb, pout)
ASM_END_0
for (i = end; i < size; ++i) pout[i] = pa[i] + pb[i];
}
static void AddVectorEq_MIPS32(const uint32_t* pa, uint32_t* pout, int size) {
uint32_t temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7;
const uint32_t end = ((size) / 4) * 4;
const uint32_t* const LoopEnd = pa + end;
int i;
ASM_START
ADD_TO_OUT(0, 4, 8, 12, 0, pa, pout, pout)
ASM_END_1
for (i = end; i < size; ++i) pout[i] += pa[i];
}
#undef ADD_VECTOR_EQ
#undef ADD_VECTOR
#undef ASM_END_1
#undef ASM_END_0
#undef ASM_END_COMMON_1
@ -422,7 +386,8 @@ WEBP_TSAN_IGNORE_FUNCTION void VP8LEncDspInitMIPS32(void) {
VP8LExtraCostCombined = ExtraCostCombined_MIPS32;
VP8LGetEntropyUnrefined = GetEntropyUnrefined_MIPS32;
VP8LGetCombinedEntropyUnrefined = GetCombinedEntropyUnrefined_MIPS32;
VP8LHistogramAdd = HistogramAdd_MIPS32;
VP8LAddVector = AddVector_MIPS32;
VP8LAddVectorEq = AddVectorEq_MIPS32;
}
#else // !WEBP_USE_MIPS32