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

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/assembler-inl.h"
 #include "src/base/adapters.h"
@@ skipping 1491 matching lines @@
     case IrOpcode::kF32x4Abs:
       return MarkAsSimd128(node), VisitF32x4Abs(node);
     case IrOpcode::kF32x4Neg:
       return MarkAsSimd128(node), VisitF32x4Neg(node);
     case IrOpcode::kF32x4RecipApprox:
       return MarkAsSimd128(node), VisitF32x4RecipApprox(node);
     case IrOpcode::kF32x4RecipRefine:
       return MarkAsSimd128(node), VisitF32x4RecipRefine(node);
     case IrOpcode::kF32x4Add:
       return MarkAsSimd128(node), VisitF32x4Add(node);
+    case IrOpcode::kF32x4AddHoriz:
+      return MarkAsSimd128(node), VisitF32x4AddHoriz(node);
     case IrOpcode::kF32x4Sub:
       return MarkAsSimd128(node), VisitF32x4Sub(node);
     case IrOpcode::kF32x4Mul:
       return MarkAsSimd128(node), VisitF32x4Mul(node);
     case IrOpcode::kF32x4Min:
       return MarkAsSimd128(node), VisitF32x4Min(node);
     case IrOpcode::kF32x4Max:
       return MarkAsSimd128(node), VisitF32x4Max(node);
     case IrOpcode::kF32x4RecipSqrtApprox:
       return MarkAsSimd128(node), VisitF32x4RecipSqrtApprox(node);
@@ skipping 20 matching lines @@
     case IrOpcode::kI32x4SConvertI16x8High:
       return MarkAsSimd128(node), VisitI32x4SConvertI16x8High(node);
     case IrOpcode::kI32x4Neg:
       return MarkAsSimd128(node), VisitI32x4Neg(node);
     case IrOpcode::kI32x4Shl:
       return MarkAsSimd128(node), VisitI32x4Shl(node);
     case IrOpcode::kI32x4ShrS:
       return MarkAsSimd128(node), VisitI32x4ShrS(node);
     case IrOpcode::kI32x4Add:
       return MarkAsSimd128(node), VisitI32x4Add(node);
+    case IrOpcode::kI32x4AddHoriz:
+      return MarkAsSimd128(node), VisitI32x4AddHoriz(node);
     case IrOpcode::kI32x4Sub:
       return MarkAsSimd128(node), VisitI32x4Sub(node);
     case IrOpcode::kI32x4Mul:
       return MarkAsSimd128(node), VisitI32x4Mul(node);
     case IrOpcode::kI32x4MinS:
       return MarkAsSimd128(node), VisitI32x4MinS(node);
     case IrOpcode::kI32x4MaxS:
       return MarkAsSimd128(node), VisitI32x4MaxS(node);
     case IrOpcode::kI32x4Eq:
       return MarkAsSimd1x4(node), VisitI32x4Eq(node);
@@ skipping 34 matching lines @@
     case IrOpcode::kI16x8Shl:
       return MarkAsSimd128(node), VisitI16x8Shl(node);
     case IrOpcode::kI16x8ShrS:
       return MarkAsSimd128(node), VisitI16x8ShrS(node);
     case IrOpcode::kI16x8SConvertI32x4:
       return MarkAsSimd128(node), VisitI16x8SConvertI32x4(node);
     case IrOpcode::kI16x8Add:
       return MarkAsSimd128(node), VisitI16x8Add(node);
     case IrOpcode::kI16x8AddSaturateS:
       return MarkAsSimd128(node), VisitI16x8AddSaturateS(node);
+    case IrOpcode::kI16x8AddHoriz:
+      return MarkAsSimd128(node), VisitI16x8AddHoriz(node);
     case IrOpcode::kI16x8Sub:
       return MarkAsSimd128(node), VisitI16x8Sub(node);
     case IrOpcode::kI16x8SubSaturateS:
       return MarkAsSimd128(node), VisitI16x8SubSaturateS(node);
     case IrOpcode::kI16x8Mul:
       return MarkAsSimd128(node), VisitI16x8Mul(node);
     case IrOpcode::kI16x8MinS:
       return MarkAsSimd128(node), VisitI16x8MinS(node);
     case IrOpcode::kI16x8MaxS:
       return MarkAsSimd128(node), VisitI16x8MaxS(node);
@@ skipping 36 matching lines @@
     case IrOpcode::kI8x16Shl:
       return MarkAsSimd128(node), VisitI8x16Shl(node);
     case IrOpcode::kI8x16ShrS:
       return MarkAsSimd128(node), VisitI8x16ShrS(node);
     case IrOpcode::kI8x16SConvertI16x8:
       return MarkAsSimd128(node), VisitI8x16SConvertI16x8(node);
     case IrOpcode::kI8x16Add:
       return MarkAsSimd128(node), VisitI8x16Add(node);
     case IrOpcode::kI8x16AddSaturateS:
       return MarkAsSimd128(node), VisitI8x16AddSaturateS(node);
+    case IrOpcode::kI8x16AddHoriz:
+      return MarkAsSimd128(node), VisitI8x16AddHoriz(node);
     case IrOpcode::kI8x16Sub:
       return MarkAsSimd128(node), VisitI8x16Sub(node);
     case IrOpcode::kI8x16SubSaturateS:
       return MarkAsSimd128(node), VisitI8x16SubSaturateS(node);
     case IrOpcode::kI8x16Mul:
       return MarkAsSimd128(node), VisitI8x16Mul(node);
     case IrOpcode::kI8x16MinS:
       return MarkAsSimd128(node), VisitI8x16MinS(node);
     case IrOpcode::kI8x16MaxS:
       return MarkAsSimd128(node), VisitI8x16MaxS(node);
@@ skipping 478 matching lines @@
 
 void InstructionSelector::VisitF32x4RecipSqrtApprox(Node* node) {
   UNIMPLEMENTED();
 }
 
 void InstructionSelector::VisitF32x4RecipSqrtRefine(Node* node) {
   UNIMPLEMENTED();
 }
 
 void InstructionSelector::VisitF32x4Add(Node* node) { UNIMPLEMENTED(); }
+#endif  // !V8_TARGET_ARCH_ARM && !V8_TARGET_ARCH_MIPS && !V8_TARGET_ARCH_MIPS64
 
+#if !V8_TARGET_ARCH_ARM
+void InstructionSelector::VisitF32x4AddHoriz(Node* node) { UNIMPLEMENTED(); }
+#endif  // !V8_TARGET_ARCH_ARM
+
+#if !V8_TARGET_ARCH_ARM && !V8_TARGET_ARCH_MIPS && !V8_TARGET_ARCH_MIPS64
 void InstructionSelector::VisitF32x4Sub(Node* node) { UNIMPLEMENTED(); }
 
 void InstructionSelector::VisitF32x4Mul(Node* node) { UNIMPLEMENTED(); }
 
 void InstructionSelector::VisitF32x4Max(Node* node) { UNIMPLEMENTED(); }
 
 void InstructionSelector::VisitF32x4Min(Node* node) { UNIMPLEMENTED(); }
 
 void InstructionSelector::VisitF32x4RecipApprox(Node* node) { UNIMPLEMENTED(); }
 
@@ skipping 39 matching lines @@
 void InstructionSelector::VisitI32x4Ne(Node* node) { UNIMPLEMENTED(); }
 
 void InstructionSelector::VisitI32x4MinU(Node* node) { UNIMPLEMENTED(); }
 
 void InstructionSelector::VisitI32x4MaxU(Node* node) { UNIMPLEMENTED(); }
 
 void InstructionSelector::VisitI32x4ShrU(Node* node) { UNIMPLEMENTED(); }
 #endif  // !V8_TARGET_ARCH_X64 && !V8_TARGET_ARCH_ARM && !V8_TARGET_ARCH_MIPS &&
         // !V8_TARGET_ARCH_MIPS64
 
+#if !V8_TARGET_ARCH_ARM
+void InstructionSelector::VisitI32x4AddHoriz(Node* node) { UNIMPLEMENTED(); }
+#endif  // !V8_TARGET_ARCH_ARM
+
 #if !V8_TARGET_ARCH_ARM && !V8_TARGET_ARCH_MIPS && !V8_TARGET_ARCH_MIPS64
 void InstructionSelector::VisitI32x4SConvertF32x4(Node* node) {
   UNIMPLEMENTED();
 }
 
 void InstructionSelector::VisitI32x4UConvertF32x4(Node* node) {
   UNIMPLEMENTED();
 }
 #endif  // !V8_TARGET_ARCH_ARM && !V8_TARGET_ARCH_MIPS && !V8_TARGET_ARCH_MIPS64
 
@@ skipping 34 matching lines @@
 
 void InstructionSelector::VisitI16x8Shl(Node* node) { UNIMPLEMENTED(); }
 
 void InstructionSelector::VisitI16x8ShrS(Node* node) { UNIMPLEMENTED(); }
 
 void InstructionSelector::VisitI16x8Add(Node* node) { UNIMPLEMENTED(); }
 
 void InstructionSelector::VisitI16x8AddSaturateS(Node* node) {
   UNIMPLEMENTED();
 }
+#endif  // !V8_TARGET_ARCH_X64 && !V8_TARGET_ARCH_ARM
 
+#if !V8_TARGET_ARCH_ARM
+void InstructionSelector::VisitI16x8AddHoriz(Node* node) { UNIMPLEMENTED(); }
+#endif  // !V8_TARGET_ARCH_ARM
+
+#if !V8_TARGET_ARCH_X64 && !V8_TARGET_ARCH_ARM
 void InstructionSelector::VisitI16x8Sub(Node* node) { UNIMPLEMENTED(); }
 
 void InstructionSelector::VisitI16x8SubSaturateS(Node* node) {
   UNIMPLEMENTED();
 }
 
 void InstructionSelector::VisitI16x8Mul(Node* node) { UNIMPLEMENTED(); }
 
 void InstructionSelector::VisitI16x8MinS(Node* node) { UNIMPLEMENTED(); }
 
@@ skipping 73 matching lines @@
   UNIMPLEMENTED();
 }
 #endif  // !V8_TARGET_ARCH_ARM
 
 #if !V8_TARGET_ARCH_X64 && !V8_TARGET_ARCH_ARM
 void InstructionSelector::VisitI8x16Add(Node* node) { UNIMPLEMENTED(); }
 
 void InstructionSelector::VisitI8x16AddSaturateS(Node* node) {
   UNIMPLEMENTED();
 }
+#endif  // !V8_TARGET_ARCH_X64 && !V8_TARGET_ARCH_ARM
 
+#if !V8_TARGET_ARCH_ARM
+void InstructionSelector::VisitI8x16AddHoriz(Node* node) { UNIMPLEMENTED(); }
+#endif  // !V8_TARGET_ARCH_ARM
+
+#if !V8_TARGET_ARCH_X64 && !V8_TARGET_ARCH_ARM
 void InstructionSelector::VisitI8x16Sub(Node* node) { UNIMPLEMENTED(); }
 
 void InstructionSelector::VisitI8x16SubSaturateS(Node* node) {
   UNIMPLEMENTED();
 }
 
 void InstructionSelector::VisitI8x16MinS(Node* node) { UNIMPLEMENTED(); }
 
 void InstructionSelector::VisitI8x16MaxS(Node* node) { UNIMPLEMENTED(); }
 
@@ skipping 546 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