[compiler] Add relocatable pointer constants for wasm memory references.

src/compiler/common-operator.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/common-operator.h"
 
 #include "src/assembler.h"
 #include "src/base/lazy-instance.h"
 #include "src/compiler/linkage.h"
 #include "src/compiler/opcodes.h"
@@ skipping 124 matching lines @@
 
 size_t hash_value(ParameterInfo const& p) { return p.index(); }
 
 
 std::ostream& operator<<(std::ostream& os, ParameterInfo const& i) {
   if (i.debug_name()) os << i.debug_name() << '#';
   os << i.index();
   return os;
 }
 
+bool operator==(RelocatablePtrConstantInfo const& lhs,
+                RelocatablePtrConstantInfo const& rhs) {
+  return lhs.rmode() == rhs.rmode() && lhs.value() == rhs.value();
+}
+
+bool operator!=(RelocatablePtrConstantInfo const& lhs,
+                RelocatablePtrConstantInfo const& rhs) {
+  return !(lhs == rhs);
+}
+
+size_t hash_value(RelocatablePtrConstantInfo const& p) {
+  return base::hash_combine(p.value(), p.rmode());
+}
+
+std::ostream& operator<<(std::ostream& os,
+                         RelocatablePtrConstantInfo const& p) {
+  return os << p.value() << "|" << p.rmode();
+}
+
 #define CACHED_OP_LIST(V)                                    \
   V(Dead, Operator::kFoldable, 0, 0, 0, 1, 1, 1)             \
   V(DeoptimizeIf, Operator::kFoldable, 2, 1, 1, 0, 0, 1)     \
   V(DeoptimizeUnless, Operator::kFoldable, 2, 1, 1, 0, 0, 1) \
   V(IfTrue, Operator::kKontrol, 0, 0, 1, 0, 0, 1)            \
   V(IfFalse, Operator::kKontrol, 0, 0, 1, 0, 0, 1)           \
   V(IfSuccess, Operator::kKontrol, 0, 0, 1, 0, 0, 1)         \
   V(IfDefault, Operator::kKontrol, 0, 0, 1, 0, 0, 1)         \
   V(Throw, Operator::kKontrol, 1, 1, 1, 0, 0, 1)             \
   V(Terminate, Operator::kKontrol, 0, 1, 1, 0, 0, 1)         \
@@ skipping 506 matching lines @@
 
 const Operator* CommonOperatorBuilder::HeapConstant(
     const Handle<HeapObject>& value) {
   return new (zone()) Operator1<Handle<HeapObject>>(  // --
       IrOpcode::kHeapConstant, Operator::kPure,       // opcode
       "HeapConstant",                                 // name
       0, 0, 0, 1, 0, 0,                               // counts
       value);                                         // parameter
 }
 
+const Operator* CommonOperatorBuilder::RelocatableInt32Constant(
+    int32_t value, RelocInfo::Mode rmode) {
+  return new (zone()) Operator1<RelocatablePtrConstantInfo>(  // --
+      IrOpcode::kRelocatableInt32Constant, Operator::kPure,   // opcode
+      "RelocatableInt32Constant",                             // name
+      0, 0, 0, 1, 0, 0,                                       // counts
+      RelocatablePtrConstantInfo(value, rmode));              // parameter
+}
+
+const Operator* CommonOperatorBuilder::RelocatableInt64Constant(
+    int64_t value, RelocInfo::Mode rmode) {
+  return new (zone()) Operator1<RelocatablePtrConstantInfo>(  // --
+      IrOpcode::kRelocatableInt64Constant, Operator::kPure,   // opcode
+      "RelocatableInt64Constant",                             // name
+      0, 0, 0, 1, 0, 0,                                       // counts
+      RelocatablePtrConstantInfo(value, rmode));              // parameter
+}
 
 const Operator* CommonOperatorBuilder::Select(MachineRepresentation rep,
                                               BranchHint hint) {
   return new (zone()) Operator1<SelectParameters>(  // --
       IrOpcode::kSelect, Operator::kPure,           // opcode
       "Select",                                     // name
       3, 0, 0, 1, 0, 0,                             // counts
       SelectParameters(rep, hint));                 // parameter
 }
 
@@ skipping 181 matching lines @@
 CommonOperatorBuilder::CreateFrameStateFunctionInfo(
     FrameStateType type, int parameter_count, int local_count,
     Handle<SharedFunctionInfo> shared_info) {
   return new (zone()->New(sizeof(FrameStateFunctionInfo)))
       FrameStateFunctionInfo(type, parameter_count, local_count, shared_info);
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8