[wasm] Implement I32x4ReplaceLane, I32x4Add, I32x4Sub.

src/wasm/wasm-macro-gen.h

 // 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.
 
 #ifndef V8_WASM_MACRO_GEN_H_
 #define V8_WASM_MACRO_GEN_H_
 
 #include "src/wasm/wasm-opcodes.h"
 
 #include "src/zone/zone-containers.h"
@@ skipping 596 matching lines @@
 //------------------------------------------------------------------------------
 #define WASM_GROW_MEMORY(x) x, kExprGrowMemory
 #define WASM_MEMORY_SIZE kExprMemorySize
 
 //------------------------------------------------------------------------------
 // Simd Operations.
 //------------------------------------------------------------------------------
 #define WASM_SIMD_I32x4_SPLAT(x) x, kSimdPrefix, kExprI32x4Splat & 0xff
 #define WASM_SIMD_I32x4_EXTRACT_LANE(lane, x) \
   x, kSimdPrefix, kExprI32x4ExtractLane & 0xff, static_cast<byte>(lane)
+#define WASM_SIMD_I32x4_REPLACE_LANE(lane, x, y) \
+  x, y, kSimdPrefix, kExprI32x4ReplaceLane & 0xff, static_cast<byte>(lane)
+#define WASM_SIMD_I32x4_ADD(x, y) x, y, kSimdPrefix, kExprI32x4Add & 0xff
+#define WASM_SIMD_I32x4_SUB(x, y) x, y, kSimdPrefix, kExprI32x4Sub & 0xff
 
 #define SIG_ENTRY_v_v kWasmFunctionTypeForm, 0, 0
 #define SIZEOF_SIG_ENTRY_v_v 3
 
 #define SIG_ENTRY_v_x(a) kWasmFunctionTypeForm, 1, a, 0
 #define SIG_ENTRY_v_xx(a, b) kWasmFunctionTypeForm, 2, a, b, 0
 #define SIG_ENTRY_v_xxx(a, b, c) kWasmFunctionTypeForm, 3, a, b, c, 0
 #define SIZEOF_SIG_ENTRY_v_x 4
 #define SIZEOF_SIG_ENTRY_v_xx 5
 #define SIZEOF_SIG_ENTRY_v_xxx 6
@@ skipping 10 matching lines @@
 #define WASM_BRV(depth, val) val, kExprBr, static_cast<byte>(depth)
 #define WASM_BRV_IF(depth, val, cond) \
   val, cond, kExprBrIf, static_cast<byte>(depth)
 #define WASM_BRV_IFD(depth, val, cond) \
   val, cond, kExprBrIf, static_cast<byte>(depth), kExprDrop
 #define WASM_IFB(cond, ...) cond, kExprIf, kLocalVoid, __VA_ARGS__, kExprEnd
 #define WASM_BR_TABLEV(val, key, count, ...) \
   val, key, kExprBrTable, U32V_1(count), __VA_ARGS__
 
 #endif  // V8_WASM_MACRO_GEN_H_