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SHENG64: 64-state 1-byte shuffle based DFA.

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Chang, Harry
2020-07-10 13:26:17 +00:00
committed by Konstantinos Margaritis
parent 7bd488922a
commit cfd3b0bf4e
16 changed files with 1362 additions and 45 deletions
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12
src/nfa/nfa_internal.h
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2016, Intel Corporation
* Copyright (c) 2015-2020, Intel Corporation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -73,6 +73,7 @@ enum NFAEngineType {
MCSHENG_NFA_8, /**< magic pseudo nfa */
MCSHENG_NFA_16, /**< magic pseudo nfa */
SHENG_NFA_32, /**< magic pseudo nfa */
SHENG_NFA_64, /**< magic pseudo nfa */
/** \brief bogus NFA - not used */
INVALID_NFA
};
@@ -167,12 +168,17 @@ static really_inline int isSheng16Type(u8 t) {
static really_inline int isSheng32Type(u8 t) {
return t == SHENG_NFA_32;
}
/** \brief True if the given type (from NFA::type) is a Sheng64 DFA. */
static really_inline int isSheng64Type(u8 t) {
return t == SHENG_NFA_64;
}
#endif
/** \brief True if the given type (from NFA::type) is a Sheng/Sheng32 DFA. */
/** \brief True if the given type (from NFA::type) is a Sheng16/32/64 DFA. */
static really_inline int isShengType(u8 t) {
#if defined(HAVE_AVX512VBMI)
return t == SHENG_NFA || t == SHENG_NFA_32;
return t == SHENG_NFA || t == SHENG_NFA_32 || t == SHENG_NFA_64;
#else
return t == SHENG_NFA;
#endif