return _mm_cvtsi128_si32(in);
}
-#if defined(HAVE_AVX512)
-static really_inline u32 movd512(const m512 in) {
- // NOTE: seems gcc doesn't support _mm512_cvtsi512_si32(in),
- // so we use 2-step convertions to work around.
- return _mm_cvtsi128_si32(_mm512_castsi512_si128(in));
-}
-#endif
-
static really_inline u64a movq(const m128 in) {
-#if defined(ARCH_X86_64)
return _mm_cvtsi128_si64(in);
-#else // 32-bit - this is horrific
- u32 lo = movd(in);
- u32 hi = movd(_mm_srli_epi64(in, 32));
- return (u64a)hi << 32 | lo;
-#endif
}
/* another form of movq */
return result;
}
-static really_inline
-m256 pshufb_m256(m256 a, m256 b) {
-#if defined(HAVE_AVX2)
- return _mm256_shuffle_epi8(a, b);
-#else
- m256 rv;
- rv.lo = pshufb_m128(a.lo, b.lo);
- rv.hi = pshufb_m128(a.hi, b.hi);
- return rv;
-#endif
-}
-
-#if defined(HAVE_AVX512)
-static really_inline
-m512 pshufb_m512(m512 a, m512 b) {
- return _mm512_shuffle_epi8(a, b);
-}
-
-static really_inline
-m512 maskz_pshufb_m512(__mmask64 k, m512 a, m512 b) {
- return _mm512_maskz_shuffle_epi8(k, a, b);
-}
-
-#if defined(HAVE_AVX512VBMI)
-#define vpermb512(idx, a) _mm512_permutexvar_epi8(idx, a)
-#define maskz_vpermb512(k, idx, a) _mm512_maskz_permutexvar_epi8(k, idx, a)
-#endif
-
-#endif
-
static really_inline
m128 variable_byte_shift_m128(m128 in, s32 amount) {
assert(amount >= -16 && amount <= 16);
**** 256-bit Primitives
****/
-#if defined(HAVE_AVX2)
+#if defined(HAVE_SIMD_256_BITS) && defined(HAVE_AVX2)
+
+static really_inline
+m256 pshufb_m256(m256 a, m256 b) {
+ return _mm256_shuffle_epi8(a, b);
+}
static really_really_inline
m256 lshift64_m256(m256 a, unsigned b) {
return _mm256_broadcastsi128_si256(a);
}
-#else
-
-static really_really_inline
-m256 lshift64_m256(m256 a, int b) {
- m256 rv = a;
- rv.lo = lshift64_m128(rv.lo, b);
- rv.hi = lshift64_m128(rv.hi, b);
- return rv;
-}
-
-static really_inline
-m256 rshift64_m256(m256 a, int b) {
- m256 rv = a;
- rv.lo = rshift64_m128(rv.lo, b);
- rv.hi = rshift64_m128(rv.hi, b);
- return rv;
-}
-
-static really_inline
-m256 eq256(m256 a, m256 b) {
- m256 rv;
- rv.lo = eq128(a.lo, b.lo);
- rv.hi = eq128(a.hi, b.hi);
- return rv;
-}
-
-static really_inline
-u32 movemask256(m256 a) {
- u32 lo_mask = movemask128(a.lo);
- u32 hi_mask = movemask128(a.hi);
- return lo_mask | (hi_mask << 16);
-}
-
-static really_inline
-m256 set1_2x128(m128 a) {
- m256 rv = {a, a};
- return rv;
-}
-#endif
-
static really_inline m256 zeroes256(void) {
-#if defined(HAVE_AVX2)
return _mm256_setzero_si256();
-#else
- m256 rv = {zeroes128(), zeroes128()};
- return rv;
-#endif
}
static really_inline m256 ones256(void) {
-#if defined(HAVE_AVX2)
m256 rv = _mm256_set1_epi8(0xFF);
-#else
- m256 rv = {ones128(), ones128()};
-#endif
return rv;
}
-#if defined(HAVE_AVX2)
static really_inline m256 and256(m256 a, m256 b) {
return _mm256_and_si256(a, b);
}
-#else
-static really_inline m256 and256(m256 a, m256 b) {
- m256 rv;
- rv.lo = and128(a.lo, b.lo);
- rv.hi = and128(a.hi, b.hi);
- return rv;
-}
-#endif
-#if defined(HAVE_AVX2)
static really_inline m256 or256(m256 a, m256 b) {
return _mm256_or_si256(a, b);
}
-#else
-static really_inline m256 or256(m256 a, m256 b) {
- m256 rv;
- rv.lo = or128(a.lo, b.lo);
- rv.hi = or128(a.hi, b.hi);
- return rv;
-}
-#endif
-#if defined(HAVE_AVX2)
static really_inline m256 xor256(m256 a, m256 b) {
return _mm256_xor_si256(a, b);
}
-#else
-static really_inline m256 xor256(m256 a, m256 b) {
- m256 rv;
- rv.lo = xor128(a.lo, b.lo);
- rv.hi = xor128(a.hi, b.hi);
- return rv;
-}
-#endif
-#if defined(HAVE_AVX2)
static really_inline m256 not256(m256 a) {
return _mm256_xor_si256(a, ones256());
}
-#else
-static really_inline m256 not256(m256 a) {
- m256 rv;
- rv.lo = not128(a.lo);
- rv.hi = not128(a.hi);
- return rv;
-}
-#endif
-#if defined(HAVE_AVX2)
static really_inline m256 andnot256(m256 a, m256 b) {
return _mm256_andnot_si256(a, b);
}
-#else
-static really_inline m256 andnot256(m256 a, m256 b) {
- m256 rv;
- rv.lo = andnot128(a.lo, b.lo);
- rv.hi = andnot128(a.hi, b.hi);
- return rv;
-}
-#endif
static really_inline int diff256(m256 a, m256 b) {
-#if defined(HAVE_AVX2)
return !!(_mm256_movemask_epi8(_mm256_cmpeq_epi8(a, b)) ^ (int)-1);
-#else
- return diff128(a.lo, b.lo) || diff128(a.hi, b.hi);
-#endif
}
static really_inline int isnonzero256(m256 a) {
-#if defined(HAVE_AVX2)
return !!diff256(a, zeroes256());
-#else
- return isnonzero128(or128(a.lo, a.hi));
-#endif
}
/**
* mask indicating which 32-bit words contain differences.
*/
static really_inline u32 diffrich256(m256 a, m256 b) {
-#if defined(HAVE_AVX2)
a = _mm256_cmpeq_epi32(a, b);
return ~(_mm256_movemask_ps(_mm256_castsi256_ps(a))) & 0xFF;
-#else
- m128 z = zeroes128();
- a.lo = _mm_cmpeq_epi32(a.lo, b.lo);
- a.hi = _mm_cmpeq_epi32(a.hi, b.hi);
- m128 packed = _mm_packs_epi16(_mm_packs_epi32(a.lo, a.hi), z);
- return ~(_mm_movemask_epi8(packed)) & 0xff;
-#endif
}
/**
// aligned load
static really_inline m256 load256(const void *ptr) {
assert(ISALIGNED_N(ptr, alignof(m256)));
-#if defined(HAVE_AVX2)
return _mm256_load_si256((const m256 *)ptr);
-#else
- m256 rv = { load128(ptr), load128((const char *)ptr + 16) };
- return rv;
-#endif
}
// aligned load of 128-bit value to low and high part of 256-bit value
static really_inline m256 load2x128(const void *ptr) {
-#if defined(HAVE_AVX2)
return set1_2x128(load128(ptr));
-#else
- assert(ISALIGNED_N(ptr, alignof(m128)));
- m256 rv;
- rv.hi = rv.lo = load128(ptr);
- return rv;
-#endif
}
static really_inline m256 loadu2x128(const void *ptr) {
// aligned store
static really_inline void store256(void *ptr, m256 a) {
assert(ISALIGNED_N(ptr, alignof(m256)));
-#if defined(HAVE_AVX2)
_mm256_store_si256((m256 *)ptr, a);
-#else
- ptr = assume_aligned(ptr, 16);
- *(m256 *)ptr = a;
-#endif
}
// unaligned load
static really_inline m256 loadu256(const void *ptr) {
-#if defined(HAVE_AVX2)
return _mm256_loadu_si256((const m256 *)ptr);
-#else
- m256 rv = { loadu128(ptr), loadu128((const char *)ptr + 16) };
- return rv;
-#endif
}
// unaligned store
static really_inline void storeu256(void *ptr, m256 a) {
-#if defined(HAVE_AVX2)
_mm256_storeu_si256((m256 *)ptr, a);
-#else
- storeu128(ptr, a.lo);
- storeu128((char *)ptr + 16, a.hi);
-#endif
}
// packed unaligned store of first N bytes
static really_inline
m256 set1_32x8(u32 in) {
-#if defined(HAVE_AVX2)
return _mm256_set1_epi8(in);
-#else
- m256 rv;
- rv.hi = set1_16x8(in);
- rv.lo = set1_16x8(in);
- return rv;
-#endif
}
static really_inline
m256 set8x32(u32 hi_3, u32 hi_2, u32 hi_1, u32 hi_0, u32 lo_3, u32 lo_2, u32 lo_1, u32 lo_0) {
-#if defined(HAVE_AVX2)
return _mm256_set_epi32(hi_3, hi_2, hi_1, hi_0, lo_3, lo_2, lo_1, lo_0);
-#else
- m256 rv;
- rv.hi = set4x32(hi_3, hi_2, hi_1, hi_0);
- rv.lo = set4x32(lo_3, lo_2, lo_1, lo_0);
- return rv;
-#endif
}
static really_inline
m256 set4x64(u64a hi_1, u64a hi_0, u64a lo_1, u64a lo_0) {
-#if defined(HAVE_AVX2)
return _mm256_set_epi64x(hi_1, hi_0, lo_1, lo_0);
-#else
- m256 rv;
- rv.hi = set2x64(hi_1, hi_0);
- rv.lo = set2x64(lo_1, lo_0);
- return rv;
-#endif
-}
-
-#if !defined(HAVE_AVX2)
-// switches on bit N in the given vector.
-static really_inline
-void setbit256(m256 *ptr, unsigned int n) {
- assert(n < sizeof(*ptr) * 8);
- m128 *sub;
- if (n < 128) {
- sub = &ptr->lo;
- } else {
- sub = &ptr->hi;
- n -= 128;
- }
- setbit128(sub, n);
-}
-
-// switches off bit N in the given vector.
-static really_inline
-void clearbit256(m256 *ptr, unsigned int n) {
- assert(n < sizeof(*ptr) * 8);
- m128 *sub;
- if (n < 128) {
- sub = &ptr->lo;
- } else {
- sub = &ptr->hi;
- n -= 128;
- }
- clearbit128(sub, n);
-}
-
-// tests bit N in the given vector.
-static really_inline
-char testbit256(m256 val, unsigned int n) {
- assert(n < sizeof(val) * 8);
- m128 sub;
- if (n < 128) {
- sub = val.lo;
- } else {
- sub = val.hi;
- n -= 128;
- }
- return testbit128(sub, n);
}
-static really_really_inline
-m128 movdq_hi(m256 x) {
- return x.hi;
-}
-
-static really_really_inline
-m128 movdq_lo(m256 x) {
- return x.lo;
-}
-
-static really_inline
-m256 combine2x128(m128 hi, m128 lo) {
- m256 rv = {lo, hi};
- return rv;
-}
-
-#else // AVX2
-
// switches on bit N in the given vector.
static really_inline
void setbit256(m256 *ptr, unsigned int n) {
}
#endif //AVX2
-#if defined(HAVE_AVX512)
-#define extract128from512(a, imm) _mm512_extracti32x4_epi32(a, imm)
-#define interleave512hi(a, b) _mm512_unpackhi_epi8(a, b)
-#define interleave512lo(a, b) _mm512_unpacklo_epi8(a, b)
-#define set2x256(a) _mm512_broadcast_i64x4(a)
-#define mask_set2x256(src, k, a) _mm512_mask_broadcast_i64x4(src, k, a)
-#define vpermq512(idx, a) _mm512_permutexvar_epi64(idx, a)
-#endif
-
-/****
- **** 384-bit Primitives
- ****/
-
-static really_inline m384 and384(m384 a, m384 b) {
- m384 rv;
- rv.lo = and128(a.lo, b.lo);
- rv.mid = and128(a.mid, b.mid);
- rv.hi = and128(a.hi, b.hi);
- return rv;
-}
-
-static really_inline m384 or384(m384 a, m384 b) {
- m384 rv;
- rv.lo = or128(a.lo, b.lo);
- rv.mid = or128(a.mid, b.mid);
- rv.hi = or128(a.hi, b.hi);
- return rv;
-}
-
-static really_inline m384 xor384(m384 a, m384 b) {
- m384 rv;
- rv.lo = xor128(a.lo, b.lo);
- rv.mid = xor128(a.mid, b.mid);
- rv.hi = xor128(a.hi, b.hi);
- return rv;
-}
-static really_inline m384 not384(m384 a) {
- m384 rv;
- rv.lo = not128(a.lo);
- rv.mid = not128(a.mid);
- rv.hi = not128(a.hi);
- return rv;
-}
-static really_inline m384 andnot384(m384 a, m384 b) {
- m384 rv;
- rv.lo = andnot128(a.lo, b.lo);
- rv.mid = andnot128(a.mid, b.mid);
- rv.hi = andnot128(a.hi, b.hi);
- return rv;
-}
-
-static really_really_inline
-m384 lshift64_m384(m384 a, unsigned b) {
- m384 rv;
- rv.lo = lshift64_m128(a.lo, b);
- rv.mid = lshift64_m128(a.mid, b);
- rv.hi = lshift64_m128(a.hi, b);
- return rv;
-}
-
-static really_inline m384 zeroes384(void) {
- m384 rv = {zeroes128(), zeroes128(), zeroes128()};
- return rv;
-}
-
-static really_inline m384 ones384(void) {
- m384 rv = {ones128(), ones128(), ones128()};
- return rv;
-}
-
-static really_inline int diff384(m384 a, m384 b) {
- return diff128(a.lo, b.lo) || diff128(a.mid, b.mid) || diff128(a.hi, b.hi);
-}
-
-static really_inline int isnonzero384(m384 a) {
- return isnonzero128(or128(or128(a.lo, a.mid), a.hi));
-}
-
+#if defined(HAVE_SIMD_128_BITS)
/**
* "Rich" version of diff384(). Takes two vectors a and b and returns a 12-bit
* mask indicating which 32-bit words contain differences.
*/
+
static really_inline u32 diffrich384(m384 a, m384 b) {
m128 z = zeroes128();
a.lo = _mm_cmpeq_epi32(a.lo, b.lo);
return ~(_mm_movemask_epi8(packed)) & 0xfff;
}
-/**
- * "Rich" version of diff384(), 64-bit variant. Takes two vectors a and b and
- * returns a 12-bit mask indicating which 64-bit words contain differences.
- */
-static really_inline u32 diffrich64_384(m384 a, m384 b) {
- u32 d = diffrich384(a, b);
- return (d | (d >> 1)) & 0x55555555;
-}
-
-// aligned load
-static really_inline m384 load384(const void *ptr) {
- assert(ISALIGNED_16(ptr));
- m384 rv = { load128(ptr), load128((const char *)ptr + 16),
- load128((const char *)ptr + 32) };
- return rv;
-}
-
-// aligned store
-static really_inline void store384(void *ptr, m384 a) {
- assert(ISALIGNED_16(ptr));
- ptr = assume_aligned(ptr, 16);
- *(m384 *)ptr = a;
-}
+#endif // HAVE_SIMD_128_BITS
-// unaligned load
-static really_inline m384 loadu384(const void *ptr) {
- m384 rv = { loadu128(ptr), loadu128((const char *)ptr + 16),
- loadu128((const char *)ptr + 32)};
- return rv;
-}
+/****
+ **** 512-bit Primitives
+ ****/
-// packed unaligned store of first N bytes
-static really_inline
-void storebytes384(void *ptr, m384 a, unsigned int n) {
- assert(n <= sizeof(a));
- memcpy(ptr, &a, n);
-}
+#if defined(HAVE_SIMD_512_BITS)
-// packed unaligned load of first N bytes, pad with zero
-static really_inline
-m384 loadbytes384(const void *ptr, unsigned int n) {
- m384 a = zeroes384();
- assert(n <= sizeof(a));
- memcpy(&a, ptr, n);
- return a;
-}
+#define extract128from512(a, imm) _mm512_extracti32x4_epi32(a, imm)
+#define interleave512hi(a, b) _mm512_unpackhi_epi8(a, b)
+#define interleave512lo(a, b) _mm512_unpacklo_epi8(a, b)
+#define set2x256(a) _mm512_broadcast_i64x4(a)
+#define mask_set2x256(src, k, a) _mm512_mask_broadcast_i64x4(src, k, a)
+#define vpermq512(idx, a) _mm512_permutexvar_epi64(idx, a)
-// switches on bit N in the given vector.
-static really_inline
-void setbit384(m384 *ptr, unsigned int n) {
- assert(n < sizeof(*ptr) * 8);
- m128 *sub;
- if (n < 128) {
- sub = &ptr->lo;
- } else if (n < 256) {
- sub = &ptr->mid;
- } else {
- sub = &ptr->hi;
- }
- setbit128(sub, n % 128);
+static really_inline u32 movd512(const m512 in) {
+ // NOTE: seems gcc doesn't support _mm512_cvtsi512_si32(in),
+ // so we use 2-step convertions to work around.
+ return _mm_cvtsi128_si32(_mm512_castsi512_si128(in));
}
-// switches off bit N in the given vector.
static really_inline
-void clearbit384(m384 *ptr, unsigned int n) {
- assert(n < sizeof(*ptr) * 8);
- m128 *sub;
- if (n < 128) {
- sub = &ptr->lo;
- } else if (n < 256) {
- sub = &ptr->mid;
- } else {
- sub = &ptr->hi;
- }
- clearbit128(sub, n % 128);
+m512 pshufb_m512(m512 a, m512 b) {
+ return _mm512_shuffle_epi8(a, b);
}
-// tests bit N in the given vector.
static really_inline
-char testbit384(m384 val, unsigned int n) {
- assert(n < sizeof(val) * 8);
- m128 sub;
- if (n < 128) {
- sub = val.lo;
- } else if (n < 256) {
- sub = val.mid;
- } else {
- sub = val.hi;
- }
- return testbit128(sub, n % 128);
+m512 maskz_pshufb_m512(__mmask64 k, m512 a, m512 b) {
+ return _mm512_maskz_shuffle_epi8(k, a, b);
}
-/****
- **** 512-bit Primitives
- ****/
+#if defined(HAVE_AVX512VBMI)
+#define vpermb512(idx, a) _mm512_permutexvar_epi8(idx, a)
+#define maskz_vpermb512(k, idx, a) _mm512_maskz_permutexvar_epi8(k, idx, a)
+#endif
#define eq512mask(a, b) _mm512_cmpeq_epi8_mask((a), (b))
#define masked_eq512mask(k, a, b) _mm512_mask_cmpeq_epi8_mask((k), (a), (b))
static really_inline
m512 ones512(void) {
-#if defined(HAVE_AVX512)
return _mm512_set1_epi8(0xFF);
//return _mm512_xor_si512(_mm512_setzero_si512(), _mm512_setzero_si512());
-#else
- m512 rv = {ones256(), ones256()};
- return rv;
-#endif
}
-#if defined(HAVE_AVX512)
static really_inline
m512 set1_64x8(u8 a) {
return _mm512_set1_epi8(a);
m512 set1_4x128(m128 a) {
return _mm512_broadcast_i32x4(a);
}
-#endif
static really_inline
m512 and512(m512 a, m512 b) {
-#if defined(HAVE_AVX512)
return _mm512_and_si512(a, b);
-#else
- m512 rv;
- rv.lo = and256(a.lo, b.lo);
- rv.hi = and256(a.hi, b.hi);
- return rv;
-#endif
}
static really_inline
m512 or512(m512 a, m512 b) {
-#if defined(HAVE_AVX512)
return _mm512_or_si512(a, b);
-#else
- m512 rv;
- rv.lo = or256(a.lo, b.lo);
- rv.hi = or256(a.hi, b.hi);
- return rv;
-#endif
}
static really_inline
m512 xor512(m512 a, m512 b) {
-#if defined(HAVE_AVX512)
return _mm512_xor_si512(a, b);
-#else
- m512 rv;
- rv.lo = xor256(a.lo, b.lo);
- rv.hi = xor256(a.hi, b.hi);
- return rv;
-#endif
}
static really_inline
m512 not512(m512 a) {
-#if defined(HAVE_AVX512)
return _mm512_xor_si512(a, ones512());
-#else
- m512 rv;
- rv.lo = not256(a.lo);
- rv.hi = not256(a.hi);
- return rv;
-#endif
}
static really_inline
m512 andnot512(m512 a, m512 b) {
-#if defined(HAVE_AVX512)
return _mm512_andnot_si512(a, b);
-#else
- m512 rv;
- rv.lo = andnot256(a.lo, b.lo);
- rv.hi = andnot256(a.hi, b.hi);
- return rv;
-#endif
}
-#if defined(HAVE_AVX512)
static really_really_inline
m512 lshift64_m512(m512 a, unsigned b) {
#if defined(HAVE__BUILTIN_CONSTANT_P)
m128 x = _mm_cvtsi32_si128(b);
return _mm512_sll_epi64(a, x);
}
-#else
-static really_really_inline
-m512 lshift64_m512(m512 a, unsigned b) {
- m512 rv;
- rv.lo = lshift64_m256(a.lo, b);
- rv.hi = lshift64_m256(a.hi, b);
- return rv;
-}
-#endif
-#if defined(HAVE_AVX512)
#define rshift64_m512(a, b) _mm512_srli_epi64((a), (b))
#define rshift128_m512(a, count_immed) _mm512_bsrli_epi128(a, count_immed)
#define lshift128_m512(a, count_immed) _mm512_bslli_epi128(a, count_immed)
-#endif
#if !defined(_MM_CMPINT_NE)
#define _MM_CMPINT_NE 0x4
static really_inline
int diff512(m512 a, m512 b) {
-#if defined(HAVE_AVX512)
return !!_mm512_cmp_epi8_mask(a, b, _MM_CMPINT_NE);
-#else
- return diff256(a.lo, b.lo) || diff256(a.hi, b.hi);
-#endif
}
static really_inline
int isnonzero512(m512 a) {
-#if defined(HAVE_AVX512)
return diff512(a, zeroes512());
-#elif defined(HAVE_AVX2)
- m256 x = or256(a.lo, a.hi);
- return !!diff256(x, zeroes256());
-#else
- m128 x = or128(a.lo.lo, a.lo.hi);
- m128 y = or128(a.hi.lo, a.hi.hi);
- return isnonzero128(or128(x, y));
-#endif
}
/**
*/
static really_inline
u32 diffrich512(m512 a, m512 b) {
-#if defined(HAVE_AVX512)
return _mm512_cmp_epi32_mask(a, b, _MM_CMPINT_NE);
-#elif defined(HAVE_AVX2)
- return diffrich256(a.lo, b.lo) | (diffrich256(a.hi, b.hi) << 8);
-#else
- a.lo.lo = _mm_cmpeq_epi32(a.lo.lo, b.lo.lo);
- a.lo.hi = _mm_cmpeq_epi32(a.lo.hi, b.lo.hi);
- a.hi.lo = _mm_cmpeq_epi32(a.hi.lo, b.hi.lo);
- a.hi.hi = _mm_cmpeq_epi32(a.hi.hi, b.hi.hi);
- m128 packed = _mm_packs_epi16(_mm_packs_epi32(a.lo.lo, a.lo.hi),
- _mm_packs_epi32(a.hi.lo, a.hi.hi));
- return ~(_mm_movemask_epi8(packed)) & 0xffff;
-#endif
}
/**
// aligned load
static really_inline
m512 load512(const void *ptr) {
-#if defined(HAVE_AVX512)
return _mm512_load_si512(ptr);
-#else
- assert(ISALIGNED_N(ptr, alignof(m256)));
- m512 rv = { load256(ptr), load256((const char *)ptr + 32) };
- return rv;
-#endif
}
// aligned store
static really_inline
void store512(void *ptr, m512 a) {
assert(ISALIGNED_N(ptr, alignof(m512)));
-#if defined(HAVE_AVX512)
return _mm512_store_si512(ptr, a);
-#elif defined(HAVE_AVX2)
- m512 *x = (m512 *)ptr;
- store256(&x->lo, a.lo);
- store256(&x->hi, a.hi);
-#else
- ptr = assume_aligned(ptr, 16);
- *(m512 *)ptr = a;
-#endif
}
// unaligned load
static really_inline
m512 loadu512(const void *ptr) {
-#if defined(HAVE_AVX512)
return _mm512_loadu_si512(ptr);
-#else
- m512 rv = { loadu256(ptr), loadu256((const char *)ptr + 32) };
- return rv;
-#endif
}
-#if defined(HAVE_AVX512)
static really_inline
m512 loadu_maskz_m512(__mmask64 k, const void *ptr) {
return _mm512_maskz_loadu_epi8(k, ptr);
m512 set_mask_m512(__mmask64 k) {
return _mm512_movm_epi8(k);
}
-#endif
// packed unaligned store of first N bytes
static really_inline
static really_inline
void setbit512(m512 *ptr, unsigned int n) {
assert(n < sizeof(*ptr) * 8);
-#if !defined(HAVE_AVX2)
- m128 *sub;
- if (n < 128) {
- sub = &ptr->lo.lo;
- } else if (n < 256) {
- sub = &ptr->lo.hi;
- } else if (n < 384) {
- sub = &ptr->hi.lo;
- } else {
- sub = &ptr->hi.hi;
- }
- setbit128(sub, n % 128);
-#elif defined(HAVE_AVX512)
*ptr = or512(mask1bit512(n), *ptr);
-#else
- m256 *sub;
- if (n < 256) {
- sub = &ptr->lo;
- } else {
- sub = &ptr->hi;
- n -= 256;
- }
- setbit256(sub, n);
-#endif
}
// switches off bit N in the given vector.
static really_inline
void clearbit512(m512 *ptr, unsigned int n) {
assert(n < sizeof(*ptr) * 8);
-#if !defined(HAVE_AVX2)
- m128 *sub;
- if (n < 128) {
- sub = &ptr->lo.lo;
- } else if (n < 256) {
- sub = &ptr->lo.hi;
- } else if (n < 384) {
- sub = &ptr->hi.lo;
- } else {
- sub = &ptr->hi.hi;
- }
- clearbit128(sub, n % 128);
-#elif defined(HAVE_AVX512)
*ptr = andnot512(mask1bit512(n), *ptr);
-#else
- m256 *sub;
- if (n < 256) {
- sub = &ptr->lo;
- } else {
- sub = &ptr->hi;
- n -= 256;
- }
- clearbit256(sub, n);
-#endif
}
// tests bit N in the given vector.
static really_inline
char testbit512(m512 val, unsigned int n) {
assert(n < sizeof(val) * 8);
-#if !defined(HAVE_AVX2)
- m128 sub;
- if (n < 128) {
- sub = val.lo.lo;
- } else if (n < 256) {
- sub = val.lo.hi;
- } else if (n < 384) {
- sub = val.hi.lo;
- } else {
- sub = val.hi.hi;
- }
- return testbit128(sub, n % 128);
-#elif defined(HAVE_AVX512)
const m512 mask = mask1bit512(n);
return !!_mm512_test_epi8_mask(mask, val);
-#else
- m256 sub;
- if (n < 256) {
- sub = val.lo;
- } else {
- sub = val.hi;
- n -= 256;
- }
- return testbit256(sub, n);
-#endif
}
+#endif // HAVE_SIMD_512_BITS
+
#endif // ARCH_X86_SIMD_UTILS_H