Line data    Source code

       1             : // Copyright 2016 the V8 project authors. All rights reserved.
       2             : // Use of this source code is governed by a BSD-style license that can be
       3             : // found in the LICENSE file.
       4             : 
       5             : #include "src/wasm/signature-map.h"
       6             : 
       7             : namespace v8 {
       8             : namespace internal {
       9             : namespace wasm {
      10             : 
      11       37445 : uint32_t SignatureMap::FindOrInsert(FunctionSig* sig) {
      12             :   auto pos = map_.find(sig);
      13       37445 :   if (pos != map_.end()) {
      14        7759 :     return pos->second;
      15             :   } else {
      16       29686 :     uint32_t index = next_++;
      17       29686 :     map_[sig] = index;
      18       29686 :     return index;
      19             :   }
      20             : }
      21             : 
      22       58136 : int32_t SignatureMap::Find(FunctionSig* sig) const {
      23             :   auto pos = map_.find(sig);
      24       58136 :   if (pos != map_.end()) {
      25       32169 :     return static_cast<int32_t>(pos->second);
      26             :   } else {
      27             :     return -1;
      28             :   }
      29             : }
      30             : 
      31      413588 : bool SignatureMap::CompareFunctionSigs::operator()(FunctionSig* a,
      32      272353 :                                                    FunctionSig* b) const {
      33      141235 :   if (a == b) return false;
      34      105541 :   if (a->return_count() < b->return_count()) return true;
      35       81139 :   if (a->return_count() > b->return_count()) return false;
      36       65651 :   if (a->parameter_count() < b->parameter_count()) return true;
      37       52864 :   if (a->parameter_count() > b->parameter_count()) return false;
      38       44042 :   for (size_t r = 0; r < a->return_count(); r++) {
      39       45002 :     if (a->GetReturn(r) < b->GetReturn(r)) return true;
      40       44295 :     if (a->GetReturn(r) > b->GetReturn(r)) return false;
      41             :   }
      42       55780 :   for (size_t p = 0; p < a->parameter_count(); p++) {
      43       56159 :     if (a->GetParam(p) < b->GetParam(p)) return true;
      44       55828 :     if (a->GetParam(p) > b->GetParam(p)) return false;
      45             :   }
      46             :   return false;
      47             : }
      48             : 
      49             : }  // namespace wasm
      50             : }  // namespace internal
      51             : }  // namespace v8