TurboFan: Introduce TaggedSigned and TaggedPointer representations.

src/compiler/ia32/instruction-selector-ia32.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/base/adapters.h"
 #include "src/compiler/instruction-selector-impl.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/node-properties.h"
 
 namespace v8 {
@@ skipping 208 matching lines @@
     case MachineRepresentation::kFloat64:
       opcode = kIA32Movsd;
       break;
     case MachineRepresentation::kBit:  // Fall through.
     case MachineRepresentation::kWord8:
       opcode = load_rep.IsSigned() ? kIA32Movsxbl : kIA32Movzxbl;
       break;
     case MachineRepresentation::kWord16:
       opcode = load_rep.IsSigned() ? kIA32Movsxwl : kIA32Movzxwl;
       break;
-    case MachineRepresentation::kTagged:  // Fall through.
+    case MachineRepresentation::kTaggedSigned:   // Fall through.
+    case MachineRepresentation::kTaggedPointer:  // Fall through.
+    case MachineRepresentation::kTagged:         // Fall through.
     case MachineRepresentation::kWord32:
       opcode = kIA32Movl;
       break;
     case MachineRepresentation::kWord64:   // Fall through.
     case MachineRepresentation::kSimd128:  // Fall through.
     case MachineRepresentation::kNone:
       UNREACHABLE();
       return;
   }
 
@@ skipping 63 matching lines @@
       case MachineRepresentation::kFloat64:
         opcode = kIA32Movsd;
         break;
       case MachineRepresentation::kBit:  // Fall through.
       case MachineRepresentation::kWord8:
         opcode = kIA32Movb;
         break;
       case MachineRepresentation::kWord16:
         opcode = kIA32Movw;
         break;
-      case MachineRepresentation::kTagged:  // Fall through.
+      case MachineRepresentation::kTaggedSigned:   // Fall through.
+      case MachineRepresentation::kTaggedPointer:  // Fall through.
+      case MachineRepresentation::kTagged:         // Fall through.
       case MachineRepresentation::kWord32:
         opcode = kIA32Movl;
         break;
       case MachineRepresentation::kWord64:   // Fall through.
       case MachineRepresentation::kSimd128:  // Fall through.
       case MachineRepresentation::kNone:
         UNREACHABLE();
         return;
     }
 
@@ skipping 41 matching lines @@
       break;
     case MachineRepresentation::kWord32:
       opcode = kCheckedLoadWord32;
       break;
     case MachineRepresentation::kFloat32:
       opcode = kCheckedLoadFloat32;
       break;
     case MachineRepresentation::kFloat64:
       opcode = kCheckedLoadFloat64;
       break;
-    case MachineRepresentation::kBit:      // Fall through.
-    case MachineRepresentation::kTagged:   // Fall through.
-    case MachineRepresentation::kWord64:   // Fall through.
-    case MachineRepresentation::kSimd128:  // Fall through.
+    case MachineRepresentation::kBit:            // Fall through.
+    case MachineRepresentation::kTaggedSigned:   // Fall through.
+    case MachineRepresentation::kTaggedPointer:  // Fall through.
+    case MachineRepresentation::kTagged:         // Fall through.
+    case MachineRepresentation::kWord64:         // Fall through.
+    case MachineRepresentation::kSimd128:        // Fall through.
     case MachineRepresentation::kNone:
       UNREACHABLE();
       return;
   }
   InstructionOperand offset_operand = g.UseRegister(offset);
   InstructionOperand length_operand =
       g.CanBeImmediate(length) ? g.UseImmediate(length) : g.UseRegister(length);
   if (g.CanBeImmediate(buffer)) {
     Emit(opcode | AddressingModeField::encode(kMode_MRI),
          g.DefineAsRegister(node), offset_operand, length_operand,
@@ skipping 23 matching lines @@
       break;
     case MachineRepresentation::kWord32:
       opcode = kCheckedStoreWord32;
       break;
     case MachineRepresentation::kFloat32:
       opcode = kCheckedStoreFloat32;
       break;
     case MachineRepresentation::kFloat64:
       opcode = kCheckedStoreFloat64;
       break;
-    case MachineRepresentation::kBit:      // Fall through.
-    case MachineRepresentation::kTagged:   // Fall through.
-    case MachineRepresentation::kWord64:   // Fall through.
-    case MachineRepresentation::kSimd128:  // Fall through.
+    case MachineRepresentation::kBit:            // Fall through.
+    case MachineRepresentation::kTaggedSigned:   // Fall through.
+    case MachineRepresentation::kTaggedPointer:  // Fall through.
+    case MachineRepresentation::kTagged:         // Fall through.
+    case MachineRepresentation::kWord64:         // Fall through.
+    case MachineRepresentation::kSimd128:        // Fall through.
     case MachineRepresentation::kNone:
       UNREACHABLE();
       return;
   }
   InstructionOperand value_operand =
       g.CanBeImmediate(value) ? g.UseImmediate(value)
                               : ((rep == MachineRepresentation::kWord8 ||
                                   rep == MachineRepresentation::kBit)
                                      ? g.UseByteRegister(value)
                                      : g.UseRegister(value));
@@ skipping 1255 matching lines @@
 // static
 MachineOperatorBuilder::AlignmentRequirements
 InstructionSelector::AlignmentRequirements() {
   return MachineOperatorBuilder::AlignmentRequirements::
       FullUnalignedAccessSupport();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8