[wasm] implement simd lowering for replaceLane, load, store and test for phi

src/compiler/wasm-compiler.cc

 // Copyright 2015 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/wasm-compiler.h"
 
 #include <memory>
 
 #include "src/isolate-inl.h"
 
@@ skipping 3106 matching lines @@
 
 Node* WasmGraphBuilder::SimdOp(wasm::WasmOpcode opcode,
                                const NodeVector& inputs) {
   switch (opcode) {
     case wasm::kExprI32x4Splat:
       return graph()->NewNode(jsgraph()->machine()->CreateInt32x4(), inputs[0],
                               inputs[0], inputs[0], inputs[0]);
     case wasm::kExprI32x4Add:
       return graph()->NewNode(jsgraph()->machine()->Int32x4Add(), inputs[0],
                               inputs[1]);
-    case wasm::kExprF32x4ExtractLane:
-      return graph()->NewNode(jsgraph()->machine()->Float32x4ExtractLane(),
-                              inputs[0], inputs[1]);
     case wasm::kExprF32x4Splat:
       return graph()->NewNode(jsgraph()->machine()->CreateFloat32x4(),
                               inputs[0], inputs[0], inputs[0], inputs[0]);
     case wasm::kExprF32x4Add:
       return graph()->NewNode(jsgraph()->machine()->Float32x4Add(), inputs[0],
                               inputs[1]);
     default:
       return graph()->NewNode(UnsupportedOpcode(opcode), nullptr);
   }
 }
 
 Node* WasmGraphBuilder::SimdExtractLane(wasm::WasmOpcode opcode, uint8_t lane,
                                         Node* input) {
   switch (opcode) {
     case wasm::kExprI32x4ExtractLane:
       return graph()->NewNode(jsgraph()->machine()->Int32x4ExtractLane(), input,
                               Int32Constant(lane));
     case wasm::kExprF32x4ExtractLane:
       return graph()->NewNode(jsgraph()->machine()->Float32x4ExtractLane(),
                               input, Int32Constant(lane));
     default:
       return graph()->NewNode(UnsupportedOpcode(opcode), nullptr);
   }
 }
 
+Node* WasmGraphBuilder::SimdReplaceLane(wasm::WasmOpcode opcode, uint8_t lane,
+                                        Node* input, Node* replacement) {
+  switch (opcode) {
+    case wasm::kExprI32x4ReplaceLane:
+      return graph()->NewNode(jsgraph()->machine()->Int32x4ReplaceLane(), input,
+                              Int32Constant(lane), replacement);
+    case wasm::kExprF32x4ReplaceLane:
+      return graph()->NewNode(jsgraph()->machine()->Float32x4ReplaceLane(),
+                              input, Int32Constant(lane), replacement);
+    default:
+      return graph()->NewNode(UnsupportedOpcode(opcode), nullptr);
+  }
+}
+
 static void RecordFunctionCompilation(CodeEventListener::LogEventsAndTags tag,
                                       Isolate* isolate, Handle<Code> code,
                                       const char* message, uint32_t index,
                                       const wasm::WasmName& module_name,
                                       const wasm::WasmName& func_name) {
   DCHECK(isolate->logger()->is_logging_code_events() ||
          isolate->is_profiling());
 
   ScopedVector<char> buffer(128);
   SNPrintF(buffer, "%s#%d:%.*s:%.*s", message, index, module_name.length(),
@@ skipping 364 matching lines @@
                       Smi::FromInt(instruction.instr_offset));
     fn_protected->set(Code::kTrapDataSize * i + Code::kTrapLandingOffset,
                       Smi::FromInt(instruction.landing_offset));
   }
   return fn_protected;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8