[wasm] Add native x64 implementations for I32x4Splat, I32x4ExtractLane

src/compiler/instruction-selector.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/instruction-selector.h"
 
 #include <limits>
 
 #include "src/base/adapters.h"
 #include "src/compiler/instruction-selector-impl.h"
@@ skipping 1289 matching lines @@
     case IrOpcode::kAtomicLoad: {
       LoadRepresentation type = LoadRepresentationOf(node->op());
       MarkAsRepresentation(type.representation(), node);
       return VisitAtomicLoad(node);
     }
     case IrOpcode::kAtomicStore:
       return VisitAtomicStore(node);
     case IrOpcode::kUnsafePointerAdd:
       MarkAsRepresentation(MachineType::PointerRepresentation(), node);
       return VisitUnsafePointerAdd(node);
+    case IrOpcode::kCreateInt32x4:
+      return MarkAsSimd128(node), VisitCreateInt32x4(node);
+    case IrOpcode::kInt32x4ExtractLane:
+      return MarkAsWord32(node), VisitInt32x4ExtractLane(node);
     default:
       V8_Fatal(__FILE__, __LINE__, "Unexpected operator #%d:%s @ node #%d",
                node->opcode(), node->op()->mnemonic(), node->id());
       break;
   }
 }
 
 void InstructionSelector::VisitImpossibleToWord32(Node* node) {
   OperandGenerator g(this);
   Emit(kArchImpossible, g.DefineAsConstant(node, Constant(0)));
@@ skipping 320 matching lines @@
 
 
 void InstructionSelector::VisitBitcastFloat64ToInt64(Node* node) {
   UNIMPLEMENTED();
 }
 
 
 void InstructionSelector::VisitBitcastInt64ToFloat64(Node* node) {
   UNIMPLEMENTED();
 }
-
 #endif  // V8_TARGET_ARCH_32_BIT
 
 // 64 bit targets do not implement the following instructions.
 #if V8_TARGET_ARCH_64_BIT
 void InstructionSelector::VisitInt32PairAdd(Node* node) { UNIMPLEMENTED(); }
 
 void InstructionSelector::VisitInt32PairSub(Node* node) { UNIMPLEMENTED(); }
 
 void InstructionSelector::VisitInt32PairMul(Node* node) { UNIMPLEMENTED(); }
 
 void InstructionSelector::VisitWord32PairShl(Node* node) { UNIMPLEMENTED(); }
 
 void InstructionSelector::VisitWord32PairShr(Node* node) { UNIMPLEMENTED(); }
 
 void InstructionSelector::VisitWord32PairSar(Node* node) { UNIMPLEMENTED(); }
 #endif  // V8_TARGET_ARCH_64_BIT
 
+#if !V8_TARGET_ARCH_X64
+void InstructionSelector::VisitCreateInt32x4(Node* node) { UNIMPLEMENTED(); }
+
+void InstructionSelector::VisitInt32x4ExtractLane(Node* node) {
+  UNIMPLEMENTED();
+}
+#endif  // !V8_TARGET_ARCH_X64
+
 void InstructionSelector::VisitFinishRegion(Node* node) { EmitIdentity(node); }
 
 void InstructionSelector::VisitParameter(Node* node) {
   OperandGenerator g(this);
   int index = ParameterIndexOf(node->op());
   InstructionOperand op =
       linkage()->ParameterHasSecondaryLocation(index)
           ? g.DefineAsDualLocation(
                 node, linkage()->GetParameterLocation(index),
                 linkage()->GetParameterSecondaryLocation(index))
@@ skipping 390 matching lines @@
   return new (instruction_zone()) FrameStateDescriptor(
       instruction_zone(), state_info.type(), state_info.bailout_id(),
       state_info.state_combine(), parameters, locals, stack,
       state_info.shared_info(), outer_state);
 }
 
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8