[WASM SIMD] Implement horizontal add for float and integer types.

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/assembler-inl.h"
 #include "src/base/platform/elapsed-timer.h"
@@ skipping 3179 matching lines @@
       return graph()->NewNode(jsgraph()->machine()->F32x4Neg(), inputs[0]);
     case wasm::kExprF32x4RecipApprox:
       return graph()->NewNode(jsgraph()->machine()->F32x4RecipApprox(),
                               inputs[0]);
     case wasm::kExprF32x4RecipSqrtApprox:
       return graph()->NewNode(jsgraph()->machine()->F32x4RecipSqrtApprox(),
                               inputs[0]);
     case wasm::kExprF32x4Add:
       return graph()->NewNode(jsgraph()->machine()->F32x4Add(), inputs[0],
                               inputs[1]);
+    case wasm::kExprF32x4AddHoriz:
+      return graph()->NewNode(jsgraph()->machine()->F32x4AddHoriz(), inputs[0],
+                              inputs[1]);
     case wasm::kExprF32x4Sub:
       return graph()->NewNode(jsgraph()->machine()->F32x4Sub(), inputs[0],
                               inputs[1]);
     case wasm::kExprF32x4Mul:
       return graph()->NewNode(jsgraph()->machine()->F32x4Mul(), inputs[0],
                               inputs[1]);
     case wasm::kExprF32x4Min:
       return graph()->NewNode(jsgraph()->machine()->F32x4Min(), inputs[0],
                               inputs[1]);
     case wasm::kExprF32x4Max:
@@ skipping 29 matching lines @@
       return graph()->NewNode(jsgraph()->machine()->I32x4SConvertI16x8Low(),
                               inputs[0]);
     case wasm::kExprI32x4SConvertI16x8High:
       return graph()->NewNode(jsgraph()->machine()->I32x4SConvertI16x8High(),
                               inputs[0]);
     case wasm::kExprI32x4Neg:
       return graph()->NewNode(jsgraph()->machine()->I32x4Neg(), inputs[0]);
     case wasm::kExprI32x4Add:
       return graph()->NewNode(jsgraph()->machine()->I32x4Add(), inputs[0],
                               inputs[1]);
+    case wasm::kExprI32x4AddHoriz:
+      return graph()->NewNode(jsgraph()->machine()->I32x4AddHoriz(), inputs[0],
+                              inputs[1]);
     case wasm::kExprI32x4Sub:
       return graph()->NewNode(jsgraph()->machine()->I32x4Sub(), inputs[0],
                               inputs[1]);
     case wasm::kExprI32x4Mul:
       return graph()->NewNode(jsgraph()->machine()->I32x4Mul(), inputs[0],
                               inputs[1]);
     case wasm::kExprI32x4MinS:
       return graph()->NewNode(jsgraph()->machine()->I32x4MinS(), inputs[0],
                               inputs[1]);
     case wasm::kExprI32x4MaxS:
@@ skipping 53 matching lines @@
       return graph()->NewNode(jsgraph()->machine()->I16x8Neg(), inputs[0]);
     case wasm::kExprI16x8SConvertI32x4:
       return graph()->NewNode(jsgraph()->machine()->I16x8SConvertI32x4(),
                               inputs[0], inputs[1]);
     case wasm::kExprI16x8Add:
       return graph()->NewNode(jsgraph()->machine()->I16x8Add(), inputs[0],
                               inputs[1]);
     case wasm::kExprI16x8AddSaturateS:
       return graph()->NewNode(jsgraph()->machine()->I16x8AddSaturateS(),
                               inputs[0], inputs[1]);
+    case wasm::kExprI16x8AddHoriz:
+      return graph()->NewNode(jsgraph()->machine()->I16x8AddHoriz(), inputs[0],
+                              inputs[1]);
     case wasm::kExprI16x8Sub:
       return graph()->NewNode(jsgraph()->machine()->I16x8Sub(), inputs[0],
                               inputs[1]);
     case wasm::kExprI16x8SubSaturateS:
       return graph()->NewNode(jsgraph()->machine()->I16x8SubSaturateS(),
                               inputs[0], inputs[1]);
     case wasm::kExprI16x8Mul:
       return graph()->NewNode(jsgraph()->machine()->I16x8Mul(), inputs[0],
                               inputs[1]);
     case wasm::kExprI16x8MinS:
@@ skipping 801 matching lines @@
     wasm::ModuleBytesEnv* module_env, const wasm::WasmFunction* function) {
   WasmCompilationUnit unit(isolate, module_env, function);
   unit.InitializeHandles();
   unit.ExecuteCompilation();
   return unit.FinishCompilation(thrower);
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8