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add AVX2 specializations

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Konstantinos Margaritis 2021-07-12 21:09:10 +03:00 committed by Konstantinos Margaritis
parent dede600637
commit b42b187712
1 changed files with 26 additions and 0 deletions
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26
src/util/match.hpp
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@ -56,6 +56,19 @@ const u8 *firstMatch<16>(const u8 *buf, typename SuperVector<16>::movemask_type
} }
} }
template <>
really_really_inline
const u8 *firstMatch<32>(const u8 *buf, typename SuperVector<32>::movemask_type z) {
DEBUG_PRINTF("z 0x%08x\n", z);
if (unlikely(z != 0xffffffff)) {
u32 pos = ctz32(~z);
assert(pos < 32);
DEBUG_PRINTF("match @ pos %u\n", pos);
return buf + pos;
} else {
return NULL; // no match
}
}
template <> template <>
really_really_inline really_really_inline
const u8 *firstMatch<64>(const u8 *buf, typename SuperVector<64>::movemask_type z) { const u8 *firstMatch<64>(const u8 *buf, typename SuperVector<64>::movemask_type z) {
@ -86,6 +99,19 @@ const u8 *lastMatch<16>(const u8 *buf, typename SuperVector<16>::movemask_type z
} }
} }
template<>
really_really_inline
const u8 *lastMatch<32>(const u8 *buf, typename SuperVector<32>::movemask_type z) {
if (unlikely(z != 0xffffffff)) {
u32 pos = clz32(~z);
DEBUG_PRINTF("buf=%p, pos=%u\n", buf, pos);
assert(pos < 32);
return buf + (31 - pos);
} else {
return NULL; // no match
}
}
template <> template <>
really_really_inline really_really_inline
const u8 *lastMatch<64>(const u8 *buf, typename SuperVector<64>::movemask_type z) { const u8 *lastMatch<64>(const u8 *buf, typename SuperVector<64>::movemask_type z) {