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Implement new Vermicelli16 acceleration functions using SVE2.

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The scheme utilises the MATCH and NMATCH instructions to
scan for 16 characters at the same rate as vermicelli
scans for one.

Change-Id: Ie2cef904c56651e6108593c668e9b65bc001a886
This commit is contained in:
George Wort
2021-06-28 16:29:43 +01:00
committed by Konstantinos Margaritis
parent b6a7ee7e84
commit b54710d208
25 changed files with 1153 additions and 8 deletions
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6
src/nfa/lbr_internal.h
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@@ -1,5 +1,6 @@
/*
* Copyright (c) 2015, Intel Corporation
* Copyright (c) 2021, Arm Limited
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -56,6 +57,11 @@ struct lbr_verm {
char c; //!< escape char
};
struct lbr_verm16 {
struct lbr_common common;
m128 mask;
};
struct lbr_shuf {
struct lbr_common common;
m128 mask_lo; //!< shufti lo mask for escape chars