src/v8/src/arm64/decoder-arm64.cc

   1 // Copyright 2013 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/v8.h"
   6
   7 #if V8_TARGET_ARCH_ARM64
   8
   9 #include "src/globals.h"
  10 #include "src/utils.h"
  11 #include "src/arm64/decoder-arm64.h"
  12
  13
  14 namespace v8 {
  15 namespace internal {
  16
  17
  18 void DispatchingDecoderVisitor::AppendVisitor(DecoderVisitor* new_visitor) {
  19   visitors_.remove(new_visitor);
  20   visitors_.push_front(new_visitor);
  21 }
  22
  23
  24 void DispatchingDecoderVisitor::PrependVisitor(DecoderVisitor* new_visitor) {
  25   visitors_.remove(new_visitor);
  26   visitors_.push_back(new_visitor);
  27 }
  28
  29
  30 void DispatchingDecoderVisitor::InsertVisitorBefore(
  31     DecoderVisitor* new_visitor, DecoderVisitor* registered_visitor) {
  32   visitors_.remove(new_visitor);
  33   std::list<DecoderVisitor*>::iterator it;
  34   for (it = visitors_.begin(); it != visitors_.end(); it++) {
  35     if (*it == registered_visitor) {
  36       visitors_.insert(it, new_visitor);
  37       return;
  38     }
  39   }
  40   // We reached the end of the list. The last element must be
  41   // registered_visitor.
  42   ASSERT(*it == registered_visitor);
  43   visitors_.insert(it, new_visitor);
  44 }
  45
  46
  47 void DispatchingDecoderVisitor::InsertVisitorAfter(
  48     DecoderVisitor* new_visitor, DecoderVisitor* registered_visitor) {
  49   visitors_.remove(new_visitor);
  50   std::list<DecoderVisitor*>::iterator it;
  51   for (it = visitors_.begin(); it != visitors_.end(); it++) {
  52     if (*it == registered_visitor) {
  53       it++;
  54       visitors_.insert(it, new_visitor);
  55       return;
  56     }
  57   }
  58   // We reached the end of the list. The last element must be
  59   // registered_visitor.
  60   ASSERT(*it == registered_visitor);
  61   visitors_.push_back(new_visitor);
  62 }
  63
  64
  65 void DispatchingDecoderVisitor::RemoveVisitor(DecoderVisitor* visitor) {
  66   visitors_.remove(visitor);
  67 }
  68
  69
  70 #define DEFINE_VISITOR_CALLERS(A)                                \
  71   void DispatchingDecoderVisitor::Visit##A(Instruction* instr) { \
  72     if (!(instr->Mask(A##FMask) == A##Fixed)) {                  \
  73       ASSERT(instr->Mask(A##FMask) == A##Fixed);                 \
  74     }                                                            \
  75     std::list<DecoderVisitor*>::iterator it;                     \
  76     for (it = visitors_.begin(); it != visitors_.end(); it++) {  \
  77       (*it)->Visit##A(instr);                                    \
  78     }                                                            \
  79   }
  80 VISITOR_LIST(DEFINE_VISITOR_CALLERS)
  81 #undef DEFINE_VISITOR_CALLERS
  82
  83
  84 } }  // namespace v8::internal
  85
  86 #endif  // V8_TARGET_ARCH_ARM64