feat: add support for v128.load32_zero and v128.load64_zero

Ref: WebAssembly/simd#237
bmeurer · Oct 24, 2020 · adea187 · adea187
1 parent acadb29
commit adea187
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Showing 2 changed files with 10 additions and 0 deletions.
diff --git a/src/WasmDis.ts b/src/WasmDis.ts
@@ -159,6 +159,7 @@ function memoryAddressToString(
     case OperatorCode.i64_atomic_rmw_xor:
     case OperatorCode.i64_atomic_rmw_xchg:
     case OperatorCode.i64_atomic_rmw_cmpxchg:
+    case OperatorCode.v128_load64_zero:
       defaultAlignFlags = 3;
       break;
     case OperatorCode.i32_load:
@@ -188,6 +189,7 @@ function memoryAddressToString(
     case OperatorCode.i64_atomic_rmw32_xchg_u:
     case OperatorCode.i32_atomic_rmw_cmpxchg:
     case OperatorCode.i64_atomic_rmw32_cmpxchg_u:
+    case OperatorCode.v128_load32_zero:
       defaultAlignFlags = 2;
       break;
     case OperatorCode.i32_load16_s:
@@ -786,6 +788,8 @@ export class WasmDisassembler {
       case OperatorCode.v32x4_load_splat:
       case OperatorCode.v64x2_load_splat:
       case OperatorCode.v128_store:
+      case OperatorCode.v128_load32_zero:
+      case OperatorCode.v128_load64_zero:
         var memoryAddress = memoryAddressToString(
           operator.memoryAddress,
           operator.code

diff --git a/src/WasmParser.ts b/src/WasmParser.ts
@@ -325,6 +325,8 @@ export const enum OperatorCode {
   v32x4_load_splat = 0xfd09,
   v64x2_load_splat = 0xfd0a,
   v128_store = 0xfd0b,
+  v128_load32_zero = 0xfdfc,
+  v128_load64_zero = 0xfdfd,
   v128_const = 0xfd0c,
   i8x16_shuffle = 0xfd0d,
   i8x16_swizzle = 0xfd0e,
@@ -1032,6 +1034,8 @@ export const OperatorCodeNames = [
   "i32x4.trunc_sat_f32x4_u",
   "f32x4.convert_i32x4_s",
   "f32x4.convert_i32x4_u",
+  "v128.load32_zero",
+  "v128.load64_zero",
 ].forEach((s, i) => {
   OperatorCodeNames[0xfd00 | i] = s;
 });
@@ -2205,6 +2209,8 @@ export class BinaryReader {
       case OperatorCode.v32x4_load_splat:
       case OperatorCode.v64x2_load_splat:
       case OperatorCode.v128_store:
+      case OperatorCode.v128_load32_zero:
+      case OperatorCode.v128_load64_zero:
         memoryAddress = this.readMemoryImmediate();
         break;
       case OperatorCode.v128_const: