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TurboPFor: TurboPFor decode

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2019-10-16 19:47:31 +02:00
parent 9a8e037339
commit a932b1e588
1 changed files with 7 additions and 7 deletions
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14
vp4d.c
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@ -131,7 +131,7 @@ extern char _shuffle_16[256][16];
#undef USIZE #undef USIZE
#undef DELTA #undef DELTA
#if (__SSSE3__ != 0 || __ARM_NEON != 0) && defined(SSE2_ON) #if (defined(__SSSE3__) || defined(__ARM_NEON)) && defined(SSE2_ON)
#define VSIZE 128 #define VSIZE 128
#define P4DELTA(a) #define P4DELTA(a)
@ -313,7 +313,7 @@ ALWAYS_INLINE unsigned char *TEMPLATE2(_P4DEC, USIZE)(unsigned char *__restrict
} //out += 64; } //out += 64;
} }
} }
#elif (__SSSE3__ != 0 || __ARM_NEON != 0) && USIZE == 32 #elif (defined(__SSSE3__) || defined(__ARM_NEON)) && USIZE == 32
{ uint_t *_op=out,*op,*pex = ex; { uint_t *_op=out,*op,*pex = ex;
for(i = 0; i < p4dn; i++) { for(i = 0; i < p4dn; i++) {
for(op=_op; bb[i]; bb[i] >>= 4,op+=4) { const unsigned m = bb[i]&0xf; for(op=_op; bb[i]; bb[i] >>= 4,op+=4) { const unsigned m = bb[i]&0xf;
@ -321,12 +321,12 @@ ALWAYS_INLINE unsigned char *TEMPLATE2(_P4DEC, USIZE)(unsigned char *__restrict
} _op+=64; } _op+=64;
} }
} }
#elif (__SSSE3__ != 0 || __ARM_NEON != 0) && USIZE == 16 #elif (defined(__SSSE3__) || defined(__ARM_NEON)) && USIZE == 16
{ uint_t *_op=out,*op,*pex = ex; { uint_t *_op = out, *op, *pex = ex;
for(i = 0; i < p4dn; i++) { for(i = 0; i < p4dn; i++) {
for(op=_op; bb[i]; bb[i] >>= 8,op+=8) { const unsigned char m = bb[i]; for(op = _op; bb[i]; bb[i] >>= 8,op += 8) { const unsigned char m = bb[i];
_mm_storeu_si128((__m128i *)op, _mm_add_epi16(_mm_loadu_si128((__m128i*)op), _mm_shuffle_epi8(_mm_slli_epi16(_mm_loadu_si128((__m128i*)pex), b), _mm_load_si128((__m128i*)_shuffle_16[m]) ) )); pex += popcnt32(m); _mm_storeu_si128((__m128i *)op, _mm_add_epi16(_mm_loadu_si128((__m128i*)op), _mm_shuffle_epi8(_mm_slli_epi16(_mm_loadu_si128((__m128i*)pex), b), _mm_load_si128((__m128i*)_shuffle_16[m]) ) )); pex += popcnt32(m);
} _op+=64; } _op += 64;
} }
} }
#else #else
@ -435,7 +435,7 @@ size_t TEMPLATE2(P4NDEC, USIZE)(unsigned char *__restrict in, size_t n, uint_t *
--n; --n;
#endif #endif
for(op = out; op != out+(n&~(CSIZE-1)); op += CSIZE) { for(op = out; op != out+(n&~(CSIZE-1)); op += CSIZE) {
unsigned b = *ip++, bx = 0, i; __builtin_prefetch(ip+512);//ip = TEMPLATE2(P4DEC, USIZE)(ip, CSIZE, op P4DELTA(start)); unsigned b = *ip++, bx = 0, i; PREFETCH(ip+512,0);//ip = TEMPLATE2(P4DEC, USIZE)(ip, CSIZE, op P4DELTA(start));
if((b & 0xc0) == 0xc0) { if((b & 0xc0) == 0xc0) {
b &= 0x3f; b &= 0x3f;