[wasm] Use the official opcode names everywhere.

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 1ec9ee80ffd6eebddd44b822fabf3b2e722c455e..3e91f81d2173124489fc10f4dc961673b28cc9d5 100644
--- a/src/wasm/wasm-macro-gen.h
+++ b/src/wasm/wasm-macro-gen.h
@@ -630,9 +630,9 @@ class LocalDeclEncoder {
 #define WASM_SIMD_F32x4_REPLACE_LANE(lane, x, y) \
   x, y, kSimdPrefix, kExprF32x4ReplaceLane & 0xff, static_cast<byte>(lane)
 #define WASM_SIMD_F32x4_FROM_I32x4(x) \
-  x, kSimdPrefix, kExprF32x4FromInt32x4 & 0xff
+  x, kSimdPrefix, kExprF32x4SConvertI32x4 & 0xff
 #define WASM_SIMD_F32x4_FROM_U32x4(x) \
-  x, kSimdPrefix, kExprF32x4FromUint32x4 & 0xff
+  x, kSimdPrefix, kExprF32x4UConvertI32x4 & 0xff
 #define WASM_SIMD_F32x4_ADD(x, y) x, y, kSimdPrefix, kExprF32x4Add & 0xff
 #define WASM_SIMD_F32x4_SUB(x, y) x, y, kSimdPrefix, kExprF32x4Sub & 0xff
 
@@ -642,9 +642,9 @@ class LocalDeclEncoder {
 #define WASM_SIMD_I32x4_REPLACE_LANE(lane, x, y) \
   x, y, kSimdPrefix, kExprI32x4ReplaceLane & 0xff, static_cast<byte>(lane)
 #define WASM_SIMD_I32x4_FROM_F32x4(x) \
-  x, kSimdPrefix, kExprI32x4FromFloat32x4 & 0xff
+  x, kSimdPrefix, kExprI32x4SConvertF32x4 & 0xff
 #define WASM_SIMD_U32x4_FROM_F32x4(x) \
-  x, kSimdPrefix, kExprUi32x4FromFloat32x4 & 0xff
+  x, kSimdPrefix, kExprI32x4UConvertF32x4 & 0xff
 #define WASM_SIMD_S32x4_SELECT(x, y, z) \
   x, y, z, kSimdPrefix, kExprS32x4Select & 0xff
 #define WASM_SIMD_I32x4_ADD(x, y) x, y, kSimdPrefix, kExprI32x4Add & 0xff