fdr: remove confirm split and pull-back

src/fdr/engine_description.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2016, 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:
@@ -38,29 +38,19 @@ class EngineDescription {
     u32 id;
     target_t code_target; // the target that we built this code for
     u32 numBuckets;
-    u32 confirmPullBackDistance;
-    u32 confirmTopLevelSplit;
 
 public:
     EngineDescription(u32 id_in, const target_t &code_target_in,
-                      u32 numBuckets_in, u32 confirmPullBackDistance_in,
+                      u32 numBuckets_in)
-                      u32 confirmTopLevelSplit_in)
+        : id(id_in), code_target(code_target_in), numBuckets(numBuckets_in) {}
-        : id(id_in), code_target(code_target_in), numBuckets(numBuckets_in),
-          confirmPullBackDistance(confirmPullBackDistance_in),
-          confirmTopLevelSplit(confirmTopLevelSplit_in) {}
 
     virtual ~EngineDescription();
 
     u32 getID() const { return id; }
     u32 getNumBuckets() const { return numBuckets; }
-    u32 getConfirmPullBackDistance() const { return confirmPullBackDistance; }
-    u32 getConfirmTopLevelSplit() const { return confirmTopLevelSplit; }
-    void setConfirmTopLevelSplit(u32 split) { confirmTopLevelSplit = split; }
 
     bool isValidOnTarget(const target_t &target_in) const;
     virtual u32 getDefaultFloodSuffixLength() const = 0;
-
-    virtual bool typicallyHoldsOneCharLits() const { return true; }
 };
 
 /** Returns a target given a CPU feature set value. */

src/fdr/fdr.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2016, 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:
@@ -315,7 +315,6 @@ void do_confirm_fdr(u64a *conf, u8 offset, hwlmcb_rv_t *control,
                     const u32 *confBase, const struct FDR_Runtime_Args *a,
                     const u8 *ptr, u32 *last_match_id, struct zone *z) {
     const u8 bucket = 8;
-    const u8 pullback = 1;
 
     if (likely(!*conf)) {
         return;
@@ -332,8 +331,7 @@ void do_confirm_fdr(u64a *conf, u8 offset, hwlmcb_rv_t *control,
         u32 bit = findAndClearLSB_64(conf);
         u32 byte = bit / bucket + offset;
         u32 bitRem = bit % bucket;
-        u32 confSplit = *(ptr + byte);
+        u32 idx = bitRem;
-        u32 idx = confSplit * bucket + bitRem;
         u32 cf = confBase[idx];
         if (!cf) {
             continue;
@@ -353,8 +351,8 @@ void do_confirm_fdr(u64a *conf, u8 offset, hwlmcb_rv_t *control,
                             id, a->ctxt);
            continue;
         }
-        u64a confVal = unaligned_load_u64a(confLoc + byte - sizeof(u64a));
+        u64a confVal = unaligned_load_u64a(confLoc + byte - sizeof(u64a) + 1);
-        confWithBit(fdrc, a, ptr_main - a->buf + byte, pullback, control,
+        confWithBit(fdrc, a, ptr_main - a->buf + byte, control,
                     last_match_id, confVal);
     } while (unlikely(!!*conf));
 }

src/fdr/fdr_compile.cpp

@@ -147,7 +147,7 @@ FDRCompiler::setupFDR(pair<aligned_unique_ptr<u8>, size_t> &link) {
     size_t tabSize = eng.getTabSizeBytes();
 
     auto floodControlTmp = setupFDRFloodControl(lits, eng);
-    auto confirmTmp = setupFullMultiConfs(lits, eng, bucketToLits, make_small);
+    auto confirmTmp = setupFullConfs(lits, eng, bucketToLits, make_small);
 
     assert(ISALIGNED_16(tabSize));
     assert(ISALIGNED_16(confirmTmp.second));

src/fdr/fdr_compile_internal.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2016, 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:
@@ -56,7 +56,7 @@ class EngineDescription;
 class FDREngineDescription;
 struct hwlmStreamingControl;
 
-std::pair<aligned_unique_ptr<u8>, size_t> setupFullMultiConfs(
+std::pair<aligned_unique_ptr<u8>, size_t> setupFullConfs(
     const std::vector<hwlmLiteral> &lits, const EngineDescription &eng,
     std::map<BucketIndex, std::vector<LiteralIndex>> &bucketToLits,
     bool make_small);

src/fdr/fdr_confirm_compile.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2016, 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:
@@ -45,9 +45,7 @@ using namespace std;
 
 namespace ue2 {
 
-using ConfSplitType = u8;
+using BC2CONF = map<BucketIndex,
-using BucketSplitPair = pair<BucketIndex, ConfSplitType>;
-using BC2CONF = map<BucketSplitPair,
                     pair<aligned_unique_ptr<FDRConfirm>, size_t>>;
 
 // return the number of bytes beyond a length threshold in all strings in lits
@@ -151,8 +149,8 @@ void fillLitInfo(const vector<hwlmLiteral> &lits, vector<LitInfo> &tmpLitInfo,
 //#define FDR_CONFIRM_DUMP 1
 
 static pair<aligned_unique_ptr<FDRConfirm>, size_t>
-getFDRConfirm(const vector<hwlmLiteral> &lits, bool applyOneCharOpt,
+getFDRConfirm(const vector<hwlmLiteral> &lits, bool make_small,
-              bool make_small, bool make_confirm) {
+              bool make_confirm) {
     vector<LitInfo> tmpLitInfo(lits.size());
     CONF_TYPE andmsk;
     fillLitInfo(lits, tmpLitInfo, andmsk);
@@ -177,8 +175,7 @@ getFDRConfirm(const vector<hwlmLiteral> &lits, bool applyOneCharOpt,
     u32 soleLitCmp = 0;
     u32 soleLitMsk = 0;
 
-    if ((applyOneCharOpt && lits.size() == 1 && lits[0].s.size() == 0 &&
+    if (!make_confirm) {
-            lits[0].msk.empty()) || make_confirm == false) {
         flags = FDRC_FLAG_NO_CONFIRM;
         if (lits[0].noruns) {
             flags |= NoRepeat; // messy - need to clean this up later as flags is sorta kinda obsoleted
@@ -345,15 +342,11 @@ getFDRConfirm(const vector<hwlmLiteral> &lits, bool applyOneCharOpt,
     return {move(fdrc), actual_size};
 }
 
-static
+pair<aligned_unique_ptr<u8>, size_t>
-u32 setupMultiConfirms(const vector<hwlmLiteral> &lits,
+setupFullConfs(const vector<hwlmLiteral> &lits,
-                       const EngineDescription &eng, BC2CONF &bc2Conf,
+               const EngineDescription &eng,
-                       map<BucketIndex, vector<LiteralIndex> > &bucketToLits,
+               map<BucketIndex, vector<LiteralIndex>> &bucketToLits,
                bool make_small) {
-    u32 pullBack = eng.getConfirmPullBackDistance();
-    u32 splitMask = eng.getConfirmTopLevelSplit() - 1;
-    bool splitHasCase = splitMask & 0x20;
-
     bool makeConfirm = true;
     unique_ptr<TeddyEngineDescription> teddyDescr =
         getTeddyDescription(eng.getID());
@@ -361,81 +354,24 @@ u32 setupMultiConfirms(const vector<hwlmLiteral> &lits,
         makeConfirm = teddyDescr->needConfirm(lits);
     }
 
+    BC2CONF bc2Conf;
     u32 totalConfirmSize = 0;
     for (BucketIndex b = 0; b < eng.getNumBuckets(); b++) {
         if (!bucketToLits[b].empty()) {
-            vector<vector<hwlmLiteral>> vl(eng.getConfirmTopLevelSplit());
+            vector<hwlmLiteral> vl;
             for (const LiteralIndex &lit_idx : bucketToLits[b]) {
-                hwlmLiteral lit = lits[lit_idx]; // copy
+                vl.push_back(lits[lit_idx]);
-                // c is last char of this literal
-                u8 c = *(lit.s.rbegin());
-
-                bool suppressSplit = false;
-                if (pullBack) {
-                    // make a shorter string to work over if we're pulling back
-                    // getFDRConfirm doesn't know about that stuff
-                    assert(lit.s.size() >= pullBack);
-                    lit.s.resize(lit.s.size() - pullBack);
-
-                    u8 c_sub, c_sub_msk;
-                    if (lit.msk.empty()) {
-                        c_sub = 0;
-                        c_sub_msk = 0;
-                    } else {
-                        c_sub = *(lit.cmp.rbegin());
-                        c_sub_msk = *(lit.msk.rbegin());
-                        size_t len = lit.msk.size() -
-                                     min(lit.msk.size(), (size_t)pullBack);
-                        lit.msk.resize(len);
-                        lit.cmp.resize(len);
             }
 
-                    // if c_sub_msk is 0xff and lit.nocase
+            DEBUG_PRINTF("b %d sz %zu\n", b, vl.size());
-                    // resteer 'c' to an exact value and set suppressSplit
+            auto fc = getFDRConfirm(vl, make_small, makeConfirm);
-                    if ((c_sub_msk == 0xff) && (lit.nocase)) {
-                        suppressSplit = true;
-                        c = c_sub;
-                    }
-                }
-
-                if (!suppressSplit && splitHasCase && lit.nocase &&
-                    ourisalpha(c)) {
-                    vl[(u8)(mytoupper(c) & splitMask)].push_back(lit);
-                    vl[(u8)(mytolower(c) & splitMask)].push_back(lit);
-                } else {
-                    vl[c & splitMask].push_back(lit);
-                }
-            }
-
-            for (u32 c = 0; c < eng.getConfirmTopLevelSplit(); c++) {
-                if (vl[c].empty()) {
-                    continue;
-                }
-                DEBUG_PRINTF("b %d c %02x sz %zu\n", b, c, vl[c].size());
-                auto key = make_pair(b, c);
-                auto fc = getFDRConfirm(vl[c], eng.typicallyHoldsOneCharLits(),
-                                        make_small, makeConfirm);
             totalConfirmSize += fc.second;
-                assert(bc2Conf.find(key) == end(bc2Conf));
+            bc2Conf.emplace(b, move(fc));
-                bc2Conf.emplace(key, move(fc));
         }
     }
-    }
-    return totalConfirmSize;
-}
 
-pair<aligned_unique_ptr<u8>, size_t>
-setupFullMultiConfs(const vector<hwlmLiteral> &lits,
-                    const EngineDescription &eng,
-                    map<BucketIndex, vector<LiteralIndex>> &bucketToLits,
-                    bool make_small) {
-    BC2CONF bc2Conf;
-    u32 totalConfirmSize = setupMultiConfirms(lits, eng, bc2Conf, bucketToLits,
-                                              make_small);
-
-    u32 primarySwitch = eng.getConfirmTopLevelSplit();
     u32 nBuckets = eng.getNumBuckets();
-    u32 totalConfSwitchSize = primarySwitch * nBuckets * sizeof(u32);
+    u32 totalConfSwitchSize = nBuckets * sizeof(u32);
     u32 totalSize = ROUNDUP_16(totalConfSwitchSize + totalConfirmSize);
 
     auto buf = aligned_zmalloc_unique<u8>(totalSize);
@@ -445,14 +381,12 @@ setupFullMultiConfs(const vector<hwlmLiteral> &lits,
     u8 *ptr = buf.get() + totalConfSwitchSize;
 
     for (const auto &m : bc2Conf) {
-        const BucketIndex &b = m.first.first;
+        const BucketIndex &idx = m.first;
-        const u8 &c = m.first.second;
         const pair<aligned_unique_ptr<FDRConfirm>, size_t> &p = m.second;
         // confirm offset is relative to the base of this structure, now
         u32 confirm_offset = verify_u32(ptr - buf.get());
         memcpy(ptr, p.first.get(), p.second);
         ptr += p.second;
-        u32 idx = c * nBuckets + b;
         confBase[idx] = confirm_offset;
     }
     return {move(buf), totalSize};

src/fdr/fdr_confirm_runtime.h

@@ -40,8 +40,8 @@
 // the whole confirmation procedure
 static really_inline
 void confWithBit(const struct FDRConfirm *fdrc, const struct FDR_Runtime_Args *a,
-                 size_t i, u32 pullBackAmount, hwlmcb_rv_t *control,
+                 size_t i, hwlmcb_rv_t *control, u32 *last_match,
-                 u32 *last_match, u64a conf_key) {
+                 u64a conf_key) {
     assert(i < a->len);
     assert(ISALIGNED(fdrc));
 
@@ -68,7 +68,7 @@ void confWithBit(const struct FDRConfirm *fdrc, const struct FDR_Runtime_Args *a
             goto out;
         }
 
-        const u8 *loc = buf + i - li->size + 1 - pullBackAmount;
+        const u8 *loc = buf + i - li->size + 1;
 
         if (loc < buf) {
             u32 full_overhang = buf - loc;
@@ -87,7 +87,7 @@ void confWithBit(const struct FDRConfirm *fdrc, const struct FDR_Runtime_Args *a
         }
 
         if (unlikely(li->flags & ComplexConfirm)) {
-            const u8 *loc2 = buf + i - li->extended_size + 1 - pullBackAmount;
+            const u8 *loc2 = buf + i - li->extended_size + 1;
             if (loc2 < buf) {
                 u32 full_overhang = buf - loc2;
                 size_t len_history = a->len_history;
@@ -116,7 +116,7 @@ void confWithBit1(const struct FDRConfirm *fdrc,
     assert(ISALIGNED(fdrc));
 
     if (unlikely(fdrc->mult)) {
-        confWithBit(fdrc, a, i, 0, control, last_match, conf_key);
+        confWithBit(fdrc, a, i, control, last_match, conf_key);
         return;
     } else {
         u32 id = fdrc->nBitsOrSoleID;
@@ -144,7 +144,7 @@ void confWithBitMany(const struct FDRConfirm *fdrc,
     }
 
     if (unlikely(fdrc->mult)) {
-        confWithBit(fdrc, a, i, 0, control, last_match, conf_key);
+        confWithBit(fdrc, a, i, control, last_match, conf_key);
         return;
     } else {
         const u32 id = fdrc->nBitsOrSoleID;

src/fdr/fdr_engine_description.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2016, 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:
@@ -44,8 +44,7 @@ namespace ue2 {
 
 FDREngineDescription::FDREngineDescription(const FDREngineDef &def)
     : EngineDescription(def.id, targetByArchFeatures(def.cpu_features),
-                        def.numBuckets, def.confirmPullBackDistance,
+                        def.numBuckets),
-                        def.confirmTopLevelSplit),
       schemeWidth(def.schemeWidth), stride(0), bits(0) {}
 
 u32 FDREngineDescription::getDefaultFloodSuffixLength() const {
@@ -55,7 +54,7 @@ u32 FDREngineDescription::getDefaultFloodSuffixLength() const {
 }
 
 void getFdrDescriptions(vector<FDREngineDescription> *out) {
-    static const FDREngineDef def = {0, 128, 8, 0, 1, 256};
+    static const FDREngineDef def = {0, 128, 8, 0};
     out->clear();
     out->emplace_back(def);
 }

src/fdr/fdr_engine_description.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2016, 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:
@@ -43,8 +43,6 @@ struct FDREngineDef {
     u32 schemeWidth;
     u32 numBuckets;
     u64a cpu_features;
-    u32 confirmPullBackDistance;
-    u32 confirmTopLevelSplit;
 };
 
 class FDREngineDescription : public EngineDescription {
@@ -64,7 +62,6 @@ public:
     explicit FDREngineDescription(const FDREngineDef &def);
 
     u32 getDefaultFloodSuffixLength() const override;
-    bool typicallyHoldsOneCharLits() const override { return stride == 1; }
 };
 
 std::unique_ptr<FDREngineDescription>

src/fdr/teddy_avx2.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, Intel Corporation
+ * Copyright (c) 2016-2017, Intel Corporation
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
@@ -345,10 +345,7 @@ void do_confWithBit_fast_teddy(u16 bits, const u32 *confBase,
                                const struct FDR_Runtime_Args *a, const u8 *ptr,
                                hwlmcb_rv_t *control, u32 *last_match) {
     u32 byte = bits / 8;
-    u32 bitRem = bits % 8;
+    u32 cf = confBase[bits % 8];
-    u32 confSplit = *(ptr+byte) & 0x1f;
-    u32 idx = confSplit * 8 + bitRem;
-    u32 cf = confBase[idx];
     if (!cf) {
         return;
     }
@@ -358,7 +355,7 @@ void do_confWithBit_fast_teddy(u16 bits, const u32 *confBase,
         return;
     }
     u64a confVal = getConfVal(a, ptr, byte, reason);
-    confWithBit(fdrc, a, ptr - a->buf + byte, 0, control, last_match, confVal);
+    confWithBit(fdrc, a, ptr - a->buf + byte, control, last_match, confVal);
 }
 
 static really_inline

src/fdr/teddy_compile.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2016, 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:
@@ -309,7 +309,7 @@ TeddyCompiler::build(pair<aligned_unique_ptr<u8>, size_t> &link) {
     size_t maskLen = eng.numMasks * 16 * 2 * maskWidth;
 
     auto floodControlTmp = setupFDRFloodControl(lits, eng);
-    auto confirmTmp = setupFullMultiConfs(lits, eng, bucketToLits, make_small);
+    auto confirmTmp = setupFullConfs(lits, eng, bucketToLits, make_small);
 
     size_t size = ROUNDUP_N(sizeof(Teddy) +
                              maskLen +

src/fdr/teddy_engine_description.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2016, 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:
@@ -44,8 +44,7 @@ namespace ue2 {
 
 TeddyEngineDescription::TeddyEngineDescription(const TeddyEngineDef &def)
     : EngineDescription(def.id, targetByArchFeatures(def.cpu_features),
-                        def.numBuckets, def.confirmPullBackDistance,
+                        def.numBuckets),
-                        def.confirmTopLevelSplit),
       numMasks(def.numMasks), packed(def.packed) {}
 
 u32 TeddyEngineDescription::getDefaultFloodSuffixLength() const {
@@ -66,24 +65,24 @@ bool TeddyEngineDescription::needConfirm(const vector<hwlmLiteral> &lits) const
 
 void getTeddyDescriptions(vector<TeddyEngineDescription> *out) {
     static const TeddyEngineDef defns[] = {
-        { 1, 0 | HS_CPU_FEATURES_AVX2, 1, 8, false, 0, 1 },
+        { 1, 0 | HS_CPU_FEATURES_AVX2, 1, 8, false },
-        { 2, 0 | HS_CPU_FEATURES_AVX2, 1, 8, true, 0, 32 },
+        { 2, 0 | HS_CPU_FEATURES_AVX2, 1, 8, true },
-        { 3, 0 | HS_CPU_FEATURES_AVX2, 1, 16, false, 0, 1 },
+        { 3, 0 | HS_CPU_FEATURES_AVX2, 1, 16, false },
-        { 4, 0 | HS_CPU_FEATURES_AVX2, 1, 16, true, 0, 32 },
+        { 4, 0 | HS_CPU_FEATURES_AVX2, 1, 16, true },
-        { 5, 0 | HS_CPU_FEATURES_AVX2, 2, 16, false, 0, 1 },
+        { 5, 0 | HS_CPU_FEATURES_AVX2, 2, 16, false },
-        { 6, 0 | HS_CPU_FEATURES_AVX2, 2, 16, true, 0, 32 },
+        { 6, 0 | HS_CPU_FEATURES_AVX2, 2, 16, true },
-        { 7, 0 | HS_CPU_FEATURES_AVX2, 3, 16, false, 0, 1 },
+        { 7, 0 | HS_CPU_FEATURES_AVX2, 3, 16, false },
-        { 8, 0 | HS_CPU_FEATURES_AVX2, 3, 16, true, 0, 32 },
+        { 8, 0 | HS_CPU_FEATURES_AVX2, 3, 16, true },
-        { 9, 0 | HS_CPU_FEATURES_AVX2, 4, 16, false, 0, 1 },
+        { 9, 0 | HS_CPU_FEATURES_AVX2, 4, 16, false },
-        { 10, 0 | HS_CPU_FEATURES_AVX2, 4, 16, true, 0, 32 },
+        { 10, 0 | HS_CPU_FEATURES_AVX2, 4, 16, true },
-        { 11, 0, 1, 8, false, 0, 1 },
+        { 11, 0, 1, 8, false },
-        { 12, 0, 1, 8, true, 0, 32 },
+        { 12, 0, 1, 8, true },
-        { 13, 0, 2, 8, false, 0, 1 },
+        { 13, 0, 2, 8, false },
-        { 14, 0, 2, 8, true, 0, 32 },
+        { 14, 0, 2, 8, true },
-        { 15, 0, 3, 8, false, 0, 1 },
+        { 15, 0, 3, 8, false },
-        { 16, 0, 3, 8, true, 0, 32 },
+        { 16, 0, 3, 8, true },
-        { 17, 0, 4, 8, false, 0, 1 },
+        { 17, 0, 4, 8, false },
-        { 18, 0, 4, 8, true, 0, 32 },
+        { 18, 0, 4, 8, true },
     };
     out->clear();
     for (const auto &def : defns) {

src/fdr/teddy_engine_description.h

@@ -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:
@@ -45,8 +45,6 @@ struct TeddyEngineDef {
     u32 numMasks;
     u32 numBuckets;
     bool packed;
-    u32 confirmPullBackDistance;
-    u32 confirmTopLevelSplit;
 };
 
 class TeddyEngineDescription : public EngineDescription {

src/fdr/teddy_runtime_common.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, Intel Corporation
+ * Copyright (c) 2016-2017, Intel Corporation
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
@@ -180,9 +180,7 @@ void do_confWithBit_teddy(TEDDY_CONF_TYPE *conf, u8 bucket, u8 offset,
     do  {
         u32 bit = TEDDY_FIND_AND_CLEAR_LSB(conf);
         u32 byte = bit / bucket + offset;
-        u32 bitRem  = bit % bucket;
+        u32 idx  = bit % bucket;
-        u32 confSplit = *(ptr+byte) & 0x1f;
-        u32 idx = confSplit * bucket + bitRem;
         u32 cf = confBase[idx];
         if (!cf) {
             continue;
@@ -193,7 +191,7 @@ void do_confWithBit_teddy(TEDDY_CONF_TYPE *conf, u8 bucket, u8 offset,
             continue;
         }
         u64a confVal = getConfVal(a, ptr, byte, reason);
-        confWithBit(fdrc, a, ptr - a->buf + byte, 0, control,
+        confWithBit(fdrc, a, ptr - a->buf + byte, control,
                     last_match, confVal);
     } while (unlikely(*conf));
 }