[wasm] implement simd lowering for replaceLane, load, store and test for phi

src/wasm/wasm-macro-gen.h

Index: src/wasm/wasm-macro-gen.h
diff --git a/src/wasm/wasm-macro-gen.h b/src/wasm/wasm-macro-gen.h
index ce2f843e71bb2225fa4c136b72fccb8da9dfdc90..1ae0310d8f6f06d3711075760ea7a8d16bfd0287 100644
--- a/src/wasm/wasm-macro-gen.h
+++ b/src/wasm/wasm-macro-gen.h
@@ -629,6 +629,10 @@ class LocalDeclEncoder {
 #define WASM_SIMD_F32x4_EXTRACT_LANE(lane, x) \
   x, kSimdPrefix, kExprF32x4ExtractLane & 0xff, static_cast<byte>(lane)
 #define WASM_SIMD_F32x4_ADD(x, y) x, y, kSimdPrefix, kExprF32x4Add & 0xff
+#define WASM_SIMD_I32x4_REPLACE_LANE(lane, x, y) \
+  y, x, kSimdPrefix, kExprI32x4ReplaceLane & 0xff, static_cast<byte>(lane)
+#define WASM_SIMD_F32x4_REPLACE_LANE(lane, x, y) \
+  y, x, kSimdPrefix, kExprF32x4ReplaceLane & 0xff, static_cast<byte>(lane)
 
 #define SIG_ENTRY_v_v kWasmFunctionTypeForm, 0, 0
 #define SIZEOF_SIG_ENTRY_v_v 3