Convert SIMD wasm ops to runtime function calls

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-containers.h"
@@ skipping 561 matching lines @@
 #define WASM_F32_REINTERPRET_I32(x) x, kExprF32ReinterpretI32
 #define WASM_F64_SCONVERT_I32(x) x, kExprF64SConvertI32
 #define WASM_F64_UCONVERT_I32(x) x, kExprF64UConvertI32
 #define WASM_F64_SCONVERT_I64(x) x, kExprF64SConvertI64
 #define WASM_F64_UCONVERT_I64(x) x, kExprF64UConvertI64
 #define WASM_F64_CONVERT_F32(x) x, kExprF64ConvertF32
 #define WASM_F64_REINTERPRET_I64(x) x, kExprF64ReinterpretI64
 #define WASM_I32_REINTERPRET_F32(x) x, kExprI32ReinterpretF32
 #define WASM_I64_REINTERPRET_F64(x) x, kExprI64ReinterpretF64
 
+//------------------------------------------------------------------------------
+// Simd Operations.
+//------------------------------------------------------------------------------
+#define WASM_SIMD_I32x4_SPLAT(x) x, kSimdPrefix, kExprI32x4Splat & 0xff
+#define WASM_SIMD_I32x4_EXTRACT_LANE(x, y) \
+  x, y, kSimdPrefix, kExprI32x4ExtractLane & 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
 
 #define SIG_ENTRY_x(r) kWasmFunctionTypeForm, 0, 1, r
 #define SIG_ENTRY_x_x(r, a) kWasmFunctionTypeForm, 1, a, 1, r
 #define SIG_ENTRY_x_xx(r, a, b) kWasmFunctionTypeForm, 2, a, b, 1, r
 #define SIG_ENTRY_x_xxx(r, a, b, c) kWasmFunctionTypeForm, 3, a, b, c, 1, r
 #define SIZEOF_SIG_ENTRY_x 4
 #define SIZEOF_SIG_ENTRY_x_x 5
 #define SIZEOF_SIG_ENTRY_x_xx 6
 #define SIZEOF_SIG_ENTRY_x_xxx 7
 
 #endif  // V8_WASM_MACRO_GEN_H_