[wasm-simd][cleanup] Fix some conversion instruction names

These didn't have the right suffix (i32 instead of i32x4).

Also, names are longer now, so when tracing them, give the names column
more space.

Bug: v8:11384
Change-Id: Id11e0d23b344310121ae4e2e5910528cab2d6f73
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2673264Reviewed-by: Bill Budge <bbudge@chromium.org>
Commit-Queue: Zhi An Ng <zhin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#72514}

src/wasm/function-body-decoder-impl.h

@@ -35,7 +35,7 @@ struct WasmException;
     if (FLAG_trace_wasm_decoder) PrintF(__VA_ARGS__); \
   } while (false)
 
-#define TRACE_INST_FORMAT "  @%-8d #%-20s|"
+#define TRACE_INST_FORMAT "  @%-8d #%-30s|"
 
 // Return the evaluation of `condition` if validate==true, DCHECK that it's
 // true and always return true otherwise.

src/wasm/wasm-opcodes-inl.h

@@ -253,14 +253,14 @@ constexpr const char* WasmOpcodes::OpcodeName(WasmOpcode opcode) {
     CASE_F32x4_OP(RecipSqrtApprox, "recip_sqrt_approx")
     CASE_SIMDF_OP(Min, "min")
     CASE_SIMDF_OP(Max, "max")
-    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_CONVERT_OP(Convert, F32x4, I32x4, "i32x4", "convert")
+    CASE_CONVERT_OP(Convert, I32x4, F32x4, "f32x4", "convert")
+    CASE_CONVERT_OP(Convert, I32x4, I16x8Low, "i16x8_low", "convert")
+    CASE_CONVERT_OP(Convert, I32x4, I16x8High, "i16x8_high", "convert")
+    CASE_CONVERT_OP(Convert, I16x8, I32x4, "i32x4", "convert")
+    CASE_CONVERT_OP(Convert, I16x8, I8x16Low, "i8x16_low", "convert")
+    CASE_CONVERT_OP(Convert, I16x8, I8x16High, "i8x16_high", "convert")
+    CASE_CONVERT_OP(Convert, I8x16, I16x8, "i16x8", "convert")
     CASE_SIMDF_OP(ExtractLane, "extract_lane")
     CASE_SIMDF_OP(ReplaceLane, "replace_lane")
     CASE_I64x2_OP(ExtractLane, "extract_lane")
@@ -275,8 +275,8 @@ constexpr const char* WasmOpcodes::OpcodeName(WasmOpcode opcode) {
     CASE_SIGN_OP(SIMDI, Le, "le")
     CASE_SIGN_OP(SIMDI, Gt, "gt")
     CASE_SIGN_OP(SIMDI, Ge, "ge")
-    CASE_CONVERT_OP(Convert, I64x2, I32x4Low, "i32", "convert")
-    CASE_CONVERT_OP(Convert, I64x2, I32x4High, "i32", "convert")
+    CASE_CONVERT_OP(Convert, I64x2, I32x4Low, "i32x4_low", "convert")
+    CASE_CONVERT_OP(Convert, I64x2, I32x4High, "i32x4_high", "convert")
     CASE_SIGN_OP(SIMDI, Shr, "shr")
     CASE_SIGN_OP(I64x2, Shr, "shr")
     CASE_SIMDI_OP(Shl, "shl")