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

src/wasm/wasm-opcodes.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/wasm/wasm-opcodes.h"
 #include "src/messages.h"
 #include "src/runtime/runtime.h"
 #include "src/signature.h"
 
 namespace v8 {
@@ skipping 157 matching lines @@
 
     // SIMD opcodes.
     CASE_SIMD_OP(Splat, "splat")
     CASE_SIMD_OP(Neg, "neg")
     CASE_SIMD_OP(Eq, "eq")
     CASE_SIMD_OP(Ne, "ne")
     CASE_SIMD_OP(Add, "add")
     CASE_SIMD_OP(Sub, "sub")
     CASE_SIMD_OP(Mul, "mul")
     CASE_F32x4_OP(Abs, "abs")
+    CASE_F32x4_OP(AddHoriz, "add_horizontal")
     CASE_F32x4_OP(RecipApprox, "recip_approx")
     CASE_F32x4_OP(RecipSqrtApprox, "recip_sqrt_approx")
     CASE_F32x4_OP(Min, "min")
     CASE_F32x4_OP(Max, "max")
     CASE_F32x4_OP(Lt, "lt")
     CASE_F32x4_OP(Le, "le")
     CASE_F32x4_OP(Gt, "gt")
     CASE_F32x4_OP(Ge, "ge")
     CASE_CONVERT_OP(Convert, F32x4, I32x4, "i32", "convert")
     CASE_CONVERT_OP(Convert, I32x4, F32x4, "f32", "convert")
     CASE_CONVERT_OP(Convert, I32x4, I16x8Low, "i32", "convert")
     CASE_CONVERT_OP(Convert, I32x4, I16x8High, "i32", "convert")
     CASE_CONVERT_OP(Convert, I16x8, I32x4, "i32", "convert")
     CASE_CONVERT_OP(Convert, I16x8, I8x16Low, "i32", "convert")
     CASE_CONVERT_OP(Convert, I16x8, I8x16High, "i32", "convert")
     CASE_CONVERT_OP(Convert, I8x16, I16x8, "i32", "convert")
     CASE_F32x4_OP(ExtractLane, "extract_lane")
     CASE_F32x4_OP(ReplaceLane, "replace_lane")
     CASE_SIMDI_OP(ExtractLane, "extract_lane")
     CASE_SIMDI_OP(ReplaceLane, "replace_lane")
     CASE_SIGN_OP(SIMDI, Min, "min")
     CASE_SIGN_OP(SIMDI, Max, "max")
     CASE_SIGN_OP(SIMDI, Lt, "lt")
     CASE_SIGN_OP(SIMDI, Le, "le")
     CASE_SIGN_OP(SIMDI, Gt, "gt")
     CASE_SIGN_OP(SIMDI, Ge, "ge")
     CASE_SIGN_OP(SIMDI, Shr, "shr")
     CASE_SIMDI_OP(Shl, "shl")
+    CASE_I32x4_OP(AddHoriz, "add_horizontal")
+    CASE_I16x8_OP(AddHoriz, "add_horizontal")
     CASE_SIGN_OP(I16x8, AddSaturate, "add_saturate")
     CASE_SIGN_OP(I8x16, AddSaturate, "add_saturate")
     CASE_SIGN_OP(I16x8, SubSaturate, "sub_saturate")
     CASE_SIGN_OP(I8x16, SubSaturate, "sub_saturate")
     CASE_S128_OP(And, "and")
     CASE_S128_OP(Or, "or")
     CASE_S128_OP(Xor, "xor")
     CASE_S128_OP(Not, "not")
     CASE_S32x4_OP(ZipLeft, "zip left")
     CASE_S32x4_OP(ZipRight, "zip right")
@@ skipping 199 matching lines @@
       return MessageTemplate::kNone;
   }
 }
 
 const char* WasmOpcodes::TrapReasonMessage(TrapReason reason) {
   return MessageTemplate::TemplateString(TrapReasonToMessageId(reason));
 }
 }  // namespace wasm
 }  // namespace internal
 }  // namespace v8