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rose: add multi-path shufti 16x8, 32x8, 32x16, 64x8 and multi-path lookaround instructions.

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Xu, Chi
2017-03-31 04:37:33 +08:00
committed by Matthew Barr
parent 7533e3341e
commit ae3cb7de6f
12 changed files with 2133 additions and 279 deletions
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10
src/rose/rose_build_lookaround.h
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 2015, Intel Corporation
* Copyright (c) 2015-2017, Intel Corporation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -36,6 +36,9 @@
#include <vector>
/** \brief Max path number for multi-path lookaround. */
#define MAX_LOOKAROUND_PATHS 8
namespace ue2 {
class CharReach;
@@ -44,6 +47,7 @@ class RoseBuildImpl;
/** \brief Lookaround entry prototype, describing the reachability at a given
* distance from the end of a role match. */
struct LookEntry {
LookEntry() : offset(0) {}
LookEntry(s8 offset_in, const CharReach &reach_in)
: offset(offset_in), reach(reach_in) {}
s8 offset; //!< offset from role match location.
@@ -63,7 +67,7 @@ size_t hash_value(const LookEntry &l) {
}
void findLookaroundMasks(const RoseBuildImpl &tbi, const RoseVertex v,
std::vector<LookEntry> &lookaround);
std::vector<LookEntry> &look_more);
/**
* \brief If possible, render the prefix of the given vertex as a lookaround.
@@ -72,7 +76,7 @@ void findLookaroundMasks(const RoseBuildImpl &tbi, const RoseVertex v,
* it can be satisfied with a lookaround alone.
*/
bool makeLeftfixLookaround(const RoseBuildImpl &build, const RoseVertex v,
std::vector<LookEntry> &lookaround);
std::vector<std::vector<LookEntry>> &lookaround);
void mergeLookaround(std::vector<LookEntry> &lookaround,
const std::vector<LookEntry> &more_lookaround);