[wasm] Rename ExprBoolNot to ExprI32Eqz.

R=bradnelson@chromium.org, binji@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1741393002

Cr-Commit-Position: refs/heads/master@{#34350}

src/compiler/wasm-compiler.cc

@@ -708,7 +708,7 @@ Node* WasmGraphBuilder::Unop(wasm::WasmOpcode opcode, Node* input) {
   const Operator* op;
   MachineOperatorBuilder* m = jsgraph()->machine();
   switch (opcode) {
-    case wasm::kExprBoolNot:
+    case wasm::kExprI32Eqz:
       op = m->Word32Equal();
       return graph()->NewNode(op, input, jsgraph()->Int32Constant(0));
     case wasm::kExprF32Abs:
@@ -1696,7 +1696,7 @@ Node* WasmGraphBuilder::FromJS(Node* node, Node* context,
 
 
 Node* WasmGraphBuilder::Invert(Node* node) {
-  return Unop(wasm::kExprBoolNot, node);
+  return Unop(wasm::kExprI32Eqz, node);
 }
 
 

src/wasm/asm-wasm-builder.cc

@@ -318,7 +318,7 @@ class AsmWasmBuilderImpl : public AstVisitor {
     if (stmt->cond() != nullptr) {
       block_size_++;
       current_function_builder_->Emit(kExprIf);
-      current_function_builder_->Emit(kExprBoolNot);
+      current_function_builder_->Emit(kExprI32Eqz);
       RECURSE(Visit(stmt->cond()));
       current_function_builder_->EmitWithU8(kExprBr, 1);
       current_function_builder_->Emit(kExprNop);
@@ -1045,7 +1045,7 @@ class AsmWasmBuilderImpl : public AstVisitor {
     switch (expr->op()) {
       case Token::NOT: {
         DCHECK_EQ(kAstI32, TypeOf(expr->expression()));
-        current_function_builder_->Emit(kExprBoolNot);
+        current_function_builder_->Emit(kExprI32Eqz);
         break;
       }
       default:

src/wasm/wasm-macro-gen.h

@@ -112,7 +112,7 @@
 #define WASM_CALL_IMPORT0(index) kExprCallImport, static_cast<byte>(index)
 #define WASM_CALL_INDIRECT0(index, func) \
   kExprCallIndirect, static_cast<byte>(index), func
-#define WASM_NOT(x) kExprBoolNot, x
+#define WASM_NOT(x) kExprI32Eqz, x
 
 //------------------------------------------------------------------------------
 // Constructs that are composed of multiple bytecodes.

src/wasm/wasm-opcodes.h

@@ -161,7 +161,7 @@ std::ostream& operator<<(std::ostream& os, const FunctionSig& function);
   V(I32Clz, 0x57, i_i)            \
   V(I32Ctz, 0x58, i_i)            \
   V(I32Popcnt, 0x59, i_i)         \
-  V(BoolNot, 0x5a, i_i)           \
+  V(I32Eqz, 0x5a, i_i)            \
   V(I64Add, 0x5b, l_ll)           \
   V(I64Sub, 0x5c, l_ll)           \
   V(I64Mul, 0x5d, l_ll)           \

test/mjsunit/wasm/wasm-constants.js

@@ -152,7 +152,7 @@ var kExprI32GeU = 0x56;
 var kExprI32Clz = 0x57;
 var kExprI32Ctz = 0x58;
 var kExprI32Popcnt = 0x59;
-var kExprBoolNot = 0x5a;
+var kExprI32Eqz = 0x5a;
 var kExprI64Add = 0x5b;
 var kExprI64Sub = 0x5c;
 var kExprI64Mul = 0x5d;

test/unittests/wasm/ast-decoder-unittest.cc

@@ -2113,7 +2113,7 @@ TEST_F(WasmOpcodeLengthTest, SimpleExpressions) {
   EXPECT_LENGTH(1, kExprI32Clz);
   EXPECT_LENGTH(1, kExprI32Ctz);
   EXPECT_LENGTH(1, kExprI32Popcnt);
-  EXPECT_LENGTH(1, kExprBoolNot);
+  EXPECT_LENGTH(1, kExprI32Eqz);
   EXPECT_LENGTH(1, kExprI64Add);
   EXPECT_LENGTH(1, kExprI64Sub);
   EXPECT_LENGTH(1, kExprI64Mul);
@@ -2374,7 +2374,7 @@ TEST_F(WasmOpcodeArityTest, SimpleExpressions) {
   EXPECT_ARITY(1, kExprI32Clz);
   EXPECT_ARITY(1, kExprI32Ctz);
   EXPECT_ARITY(1, kExprI32Popcnt);
-  EXPECT_ARITY(1, kExprBoolNot);
+  EXPECT_ARITY(1, kExprI32Eqz);
   EXPECT_ARITY(2, kExprI64Add);
   EXPECT_ARITY(2, kExprI64Sub);
   EXPECT_ARITY(2, kExprI64Mul);