[wasm] Encode immediates to Load and Store as varint.

test/unittests/wasm/wasm-macro-gen-unittest.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "test/unittests/test-utils.h"
 
 #include "src/wasm/wasm-macro-gen.h"
 
 namespace v8 {
 namespace internal {
@@ skipping 34 matching lines @@
 }
 
 
 TEST_F(WasmMacroGenTest, Statements) {
   EXPECT_SIZE(1, WASM_NOP);
 
   EXPECT_SIZE(4, WASM_SET_LOCAL(0, WASM_ZERO));
 
   EXPECT_SIZE(4, WASM_STORE_GLOBAL(0, WASM_ZERO));
 
-  EXPECT_SIZE(6, WASM_STORE_MEM(MachineType::Int32(), WASM_ZERO, WASM_ZERO));
+  EXPECT_SIZE(7, WASM_STORE_MEM(MachineType::Int32(), WASM_ZERO, WASM_ZERO));
 
   EXPECT_SIZE(4, WASM_IF(WASM_ZERO, WASM_NOP));
 
   EXPECT_SIZE(5, WASM_IF_ELSE(WASM_ZERO, WASM_NOP, WASM_NOP));
 
   EXPECT_SIZE(5, WASM_SELECT(WASM_ZERO, WASM_NOP, WASM_NOP));
 
   EXPECT_SIZE(3, WASM_BR(0));
   EXPECT_SIZE(5, WASM_BR_IF(0, WASM_ZERO));
 
@@ skipping 31 matching lines @@
 }
 
 
 TEST_F(WasmMacroGenTest, Expressions) {
   EXPECT_SIZE(2, WASM_GET_LOCAL(0));
   EXPECT_SIZE(2, WASM_GET_LOCAL(1));
   EXPECT_SIZE(2, WASM_GET_LOCAL(12));
   EXPECT_SIZE(2, WASM_LOAD_GLOBAL(0));
   EXPECT_SIZE(2, WASM_LOAD_GLOBAL(1));
   EXPECT_SIZE(2, WASM_LOAD_GLOBAL(12));
-  EXPECT_SIZE(4, WASM_LOAD_MEM(MachineType::Int32(), WASM_ZERO));
-  EXPECT_SIZE(4, WASM_LOAD_MEM(MachineType::Float64(), WASM_ZERO));
-  EXPECT_SIZE(4, WASM_LOAD_MEM(MachineType::Float32(), WASM_ZERO));
+  EXPECT_SIZE(5, WASM_LOAD_MEM(MachineType::Int32(), WASM_ZERO));
+  EXPECT_SIZE(5, WASM_LOAD_MEM(MachineType::Float64(), WASM_ZERO));
+  EXPECT_SIZE(5, WASM_LOAD_MEM(MachineType::Float32(), WASM_ZERO));
 
   EXPECT_SIZE(3, WASM_NOT(WASM_ZERO));
 
   EXPECT_SIZE(4, WASM_BRV(1, WASM_ZERO));
   EXPECT_SIZE(6, WASM_BRV_IF(1, WASM_ZERO, WASM_ZERO));
 
   EXPECT_SIZE(4, WASM_BLOCK(1, WASM_ZERO));
   EXPECT_SIZE(5, WASM_BLOCK(2, WASM_NOP, WASM_ZERO));
   EXPECT_SIZE(6, WASM_BLOCK(3, WASM_NOP, WASM_NOP, WASM_ZERO));
 
@@ skipping 175 matching lines @@
 }
 
 static const MachineType kMemTypes[] = {
     MachineType::Int8(),   MachineType::Uint8(),  MachineType::Int16(),
     MachineType::Uint16(), MachineType::Int32(),  MachineType::Uint32(),
     MachineType::Int64(),  MachineType::Uint64(), MachineType::Float32(),
     MachineType::Float64()};
 
 TEST_F(WasmMacroGenTest, LoadsAndStores) {
   for (size_t i = 0; i < arraysize(kMemTypes); i++) {
-    EXPECT_SIZE(4, WASM_LOAD_MEM(kMemTypes[i], WASM_ZERO));
+    EXPECT_SIZE(5, WASM_LOAD_MEM(kMemTypes[i], WASM_ZERO));
   }
   for (size_t i = 0; i < arraysize(kMemTypes); i++) {
-    EXPECT_SIZE(6, WASM_STORE_MEM(kMemTypes[i], WASM_ZERO, WASM_GET_LOCAL(0)));
+    EXPECT_SIZE(7, WASM_STORE_MEM(kMemTypes[i], WASM_ZERO, WASM_GET_LOCAL(0)));
   }
 }
 
 
 TEST_F(WasmMacroGenTest, LoadsAndStoresWithOffset) {
   for (size_t i = 0; i < arraysize(kMemTypes); i++) {
     EXPECT_SIZE(5, WASM_LOAD_MEM_OFFSET(kMemTypes[i], 11, WASM_ZERO));
   }
   for (size_t i = 0; i < arraysize(kMemTypes); i++) {
     EXPECT_SIZE(7, WASM_STORE_MEM_OFFSET(kMemTypes[i], 13, WASM_ZERO,
                                          WASM_GET_LOCAL(0)));
   }
 }
 }  // namespace wasm
 }  // namespace internal
 }  // namespace v8