[wasm] Implement an interpreter for WASM.

test/cctest/wasm/test-run-wasm-64.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 <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include "src/base/bits.h"
 #include "src/wasm/wasm-macro-gen.h"
@@ skipping 74 matching lines @@
 
 #define DECLARE_CONST(name, cond) static const bool kSupported_##name = cond;
 FOREACH_I64_OPERATOR(DECLARE_CONST)
 #undef DECLARE_CONST
 
 #define REQUIRE(name) \
   if (!WASM_64 && !kSupported_##name) return
 
 WASM_EXEC_TEST(I64Const) {
   REQUIRE(I64Const);
-  WasmRunner<int64_t> r;
+  WasmRunner<int64_t> r(execution_mode);
   const int64_t kExpectedValue = 0x1122334455667788LL;
   // return(kExpectedValue)
   BUILD(r, WASM_I64V_9(kExpectedValue));
   CHECK_EQ(kExpectedValue, r.Call());
 }
 
 WASM_EXEC_TEST(I64Const_many) {
   REQUIRE(I64Const);
   int cntr = 0;
   FOR_INT32_INPUTS(i) {
-    WasmRunner<int64_t> r;
+    WasmRunner<int64_t> r(execution_mode);
     const int64_t kExpectedValue = (static_cast<int64_t>(*i) << 32) | cntr;
     // return(kExpectedValue)
     BUILD(r, WASM_I64V(kExpectedValue));
     CHECK_EQ(kExpectedValue, r.Call());
     cntr++;
   }
 }
 
 WASM_EXEC_TEST(Return_I64) {
   REQUIRE(I64Return);
-  WasmRunner<int64_t> r(MachineType::Int64());
+  WasmRunner<int64_t> r(execution_mode, MachineType::Int64());
 
   BUILD(r, WASM_RETURN1(WASM_GET_LOCAL(0)));
 
   FOR_INT64_INPUTS(i) { CHECK_EQ(*i, r.Call(*i)); }
 }
 
 WASM_EXEC_TEST(I64Add) {
   REQUIRE(I64Add);
-  WasmRunner<int64_t> r(MachineType::Int64(), MachineType::Int64());
+  WasmRunner<int64_t> r(execution_mode, MachineType::Int64(),
+                        MachineType::Int64());
   BUILD(r, WASM_I64_ADD(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
   FOR_INT64_INPUTS(i) {
     FOR_INT64_INPUTS(j) { CHECK_EQ(*i + *j, r.Call(*i, *j)); }
   }
 }
 
 WASM_EXEC_TEST(I64Sub) {
   REQUIRE(I64Sub);
-  WasmRunner<int64_t> r(MachineType::Int64(), MachineType::Int64());
+  WasmRunner<int64_t> r(execution_mode, MachineType::Int64(),
+                        MachineType::Int64());
   BUILD(r, WASM_I64_SUB(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
   FOR_INT64_INPUTS(i) {
     FOR_INT64_INPUTS(j) { CHECK_EQ(*i - *j, r.Call(*i, *j)); }
   }
 }
 
 WASM_EXEC_TEST(I64DivS) {
   REQUIRE(I64DivS);
-  WasmRunner<int64_t> r(MachineType::Int64(), MachineType::Int64());
+  WasmRunner<int64_t> r(execution_mode, MachineType::Int64(),
+                        MachineType::Int64());
   BUILD(r, WASM_I64_DIVS(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
   FOR_INT64_INPUTS(i) {
     FOR_INT64_INPUTS(j) {
       if (*j == 0) {
         CHECK_TRAP64(r.Call(*i, *j));
       } else if (*j == -1 && *i == std::numeric_limits<int64_t>::min()) {
         CHECK_TRAP64(r.Call(*i, *j));
       } else {
         CHECK_EQ(*i / *j, r.Call(*i, *j));
       }
     }
   }
 }
 
 WASM_EXEC_TEST(I64DivS_Trap) {
   REQUIRE(I64DivS);
-  WasmRunner<int64_t> r(MachineType::Int64(), MachineType::Int64());
+  WasmRunner<int64_t> r(execution_mode, MachineType::Int64(),
+                        MachineType::Int64());
   BUILD(r, WASM_I64_DIVS(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
   CHECK_EQ(0, r.Call(asi64(0), asi64(100)));
   CHECK_TRAP64(r.Call(asi64(100), asi64(0)));
   CHECK_TRAP64(r.Call(asi64(-1001), asi64(0)));
   CHECK_TRAP64(r.Call(std::numeric_limits<int64_t>::min(), asi64(-1)));
   CHECK_TRAP64(r.Call(std::numeric_limits<int64_t>::min(), asi64(0)));
 }
 
 WASM_EXEC_TEST(I64DivS_Byzero_Const) {
   REQUIRE(I64DivS);
   for (int8_t denom = -2; denom < 8; denom++) {
-    WasmRunner<int64_t> r(MachineType::Int64());
+    WasmRunner<int64_t> r(execution_mode, MachineType::Int64());
     BUILD(r, WASM_I64_DIVS(WASM_GET_LOCAL(0), WASM_I64V_1(denom)));
     for (int64_t val = -7; val < 8; val++) {
       if (denom == 0) {
         CHECK_TRAP64(r.Call(val));
       } else {
         CHECK_EQ(val / denom, r.Call(val));
       }
     }
   }
 }
 
 WASM_EXEC_TEST(I64DivU) {
   REQUIRE(I64DivU);
-  WasmRunner<uint64_t> r(MachineType::Uint64(), MachineType::Uint64());
+  WasmRunner<uint64_t> r(execution_mode, MachineType::Uint64(),
+                         MachineType::Uint64());
   BUILD(r, WASM_I64_DIVU(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
   FOR_UINT64_INPUTS(i) {
     FOR_UINT64_INPUTS(j) {
       if (*j == 0) {
         CHECK_TRAP64(r.Call(*i, *j));
       } else {
         CHECK_EQ(*i / *j, r.Call(*i, *j));
       }
     }
   }
 }
 
 WASM_EXEC_TEST(I64DivU_Trap) {
   REQUIRE(I64DivU);
-  WasmRunner<uint64_t> r(MachineType::Uint64(), MachineType::Uint64());
+  WasmRunner<uint64_t> r(execution_mode, MachineType::Uint64(),
+                         MachineType::Uint64());
   BUILD(r, WASM_I64_DIVU(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
   CHECK_EQ(0, r.Call(asu64(0), asu64(100)));
   CHECK_TRAP64(r.Call(asu64(100), asu64(0)));
   CHECK_TRAP64(r.Call(asu64(1001), asu64(0)));
   CHECK_TRAP64(r.Call(std::numeric_limits<uint64_t>::max(), asu64(0)));
 }
 
 WASM_EXEC_TEST(I64DivU_Byzero_Const) {
   REQUIRE(I64DivU);
   for (uint64_t denom = 0xfffffffffffffffe; denom < 8; denom++) {
-    WasmRunner<uint64_t> r(MachineType::Uint64());
+    WasmRunner<uint64_t> r(execution_mode, MachineType::Uint64());
     BUILD(r, WASM_I64_DIVU(WASM_GET_LOCAL(0), WASM_I64V_1(denom)));
 
     for (uint64_t val = 0xfffffffffffffff0; val < 8; val++) {
       if (denom == 0) {
         CHECK_TRAP64(r.Call(val));
       } else {
         CHECK_EQ(val / denom, r.Call(val));
       }
     }
   }
 }
 
 WASM_EXEC_TEST(I64RemS) {
   REQUIRE(I64RemS);
-  WasmRunner<int64_t> r(MachineType::Int64(), MachineType::Int64());
+  WasmRunner<int64_t> r(execution_mode, MachineType::Int64(),
+                        MachineType::Int64());
   BUILD(r, WASM_I64_REMS(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
   FOR_INT64_INPUTS(i) {
     FOR_INT64_INPUTS(j) {
       if (*j == 0) {
         CHECK_TRAP64(r.Call(*i, *j));
       } else {
         CHECK_EQ(*i % *j, r.Call(*i, *j));
       }
     }
   }
 }
 
 WASM_EXEC_TEST(I64RemS_Trap) {
   REQUIRE(I64RemS);
-  WasmRunner<int64_t> r(MachineType::Int64(), MachineType::Int64());
+  WasmRunner<int64_t> r(execution_mode, MachineType::Int64(),
+                        MachineType::Int64());
   BUILD(r, WASM_I64_REMS(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
   CHECK_EQ(33, r.Call(asi64(133), asi64(100)));
   CHECK_EQ(0, r.Call(std::numeric_limits<int64_t>::min(), asi64(-1)));
   CHECK_TRAP64(r.Call(asi64(100), asi64(0)));
   CHECK_TRAP64(r.Call(asi64(-1001), asi64(0)));
   CHECK_TRAP64(r.Call(std::numeric_limits<int64_t>::min(), asi64(0)));
 }
 
 WASM_EXEC_TEST(I64RemU) {
   REQUIRE(I64RemU);
-  WasmRunner<uint64_t> r(MachineType::Uint64(), MachineType::Uint64());
+  WasmRunner<uint64_t> r(execution_mode, MachineType::Uint64(),
+                         MachineType::Uint64());
   BUILD(r, WASM_I64_REMU(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
   FOR_UINT64_INPUTS(i) {
     FOR_UINT64_INPUTS(j) {
       if (*j == 0) {
         CHECK_TRAP64(r.Call(*i, *j));
       } else {
         CHECK_EQ(*i % *j, r.Call(*i, *j));
       }
     }
   }
 }
 
 WASM_EXEC_TEST(I64RemU_Trap) {
   REQUIRE(I64RemU);
-  WasmRunner<uint64_t> r(MachineType::Uint64(), MachineType::Uint64());
+  WasmRunner<uint64_t> r(execution_mode, MachineType::Uint64(),
+                         MachineType::Uint64());
   BUILD(r, WASM_I64_REMU(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
   CHECK_EQ(17, r.Call(asu64(217), asu64(100)));
   CHECK_TRAP64(r.Call(asu64(100), asu64(0)));
   CHECK_TRAP64(r.Call(asu64(1001), asu64(0)));
   CHECK_TRAP64(r.Call(std::numeric_limits<uint64_t>::max(), asu64(0)));
 }
 
 WASM_EXEC_TEST(I64And) {
   REQUIRE(I64And);
-  WasmRunner<int64_t> r(MachineType::Int64(), MachineType::Int64());
+  WasmRunner<int64_t> r(execution_mode, MachineType::Int64(),
+                        MachineType::Int64());
   BUILD(r, WASM_I64_AND(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
   FOR_INT64_INPUTS(i) {
     FOR_INT64_INPUTS(j) { CHECK_EQ((*i) & (*j), r.Call(*i, *j)); }
   }
 }
 
 WASM_EXEC_TEST(I64Ior) {
   REQUIRE(I64Ior);
-  WasmRunner<int64_t> r(MachineType::Int64(), MachineType::Int64());
+  WasmRunner<int64_t> r(execution_mode, MachineType::Int64(),
+                        MachineType::Int64());
   BUILD(r, WASM_I64_IOR(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
   FOR_INT64_INPUTS(i) {
     FOR_INT64_INPUTS(j) { CHECK_EQ((*i) | (*j), r.Call(*i, *j)); }
   }
 }
 
 WASM_EXEC_TEST(I64Xor) {
   REQUIRE(I64Xor);
-  WasmRunner<int64_t> r(MachineType::Int64(), MachineType::Int64());
+  WasmRunner<int64_t> r(execution_mode, MachineType::Int64(),
+                        MachineType::Int64());
   BUILD(r, WASM_I64_XOR(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
   FOR_INT64_INPUTS(i) {
     FOR_INT64_INPUTS(j) { CHECK_EQ((*i) ^ (*j), r.Call(*i, *j)); }
   }
 }
 
 WASM_EXEC_TEST(I64Shl) {
   REQUIRE(I64Shl);
   {
-    WasmRunner<uint64_t> r(MachineType::Uint64(), MachineType::Uint64());
+    WasmRunner<uint64_t> r(execution_mode, MachineType::Uint64(),
+                           MachineType::Uint64());
     BUILD(r, WASM_I64_SHL(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
 
     FOR_UINT64_INPUTS(i) {
       FOR_UINT64_INPUTS(j) {
         uint64_t expected = (*i) << (*j & 0x3f);
         CHECK_EQ(expected, r.Call(*i, *j));
       }
     }
   }
   {
-    WasmRunner<int64_t> r(MachineType::Int64());
+    WasmRunner<int64_t> r(execution_mode, MachineType::Int64());
     BUILD(r, WASM_I64_SHL(WASM_GET_LOCAL(0), WASM_I64V_1(0)));
     FOR_UINT64_INPUTS(i) { CHECK_EQ(*i << 0, r.Call(*i)); }
   }
   {
-    WasmRunner<int64_t> r(MachineType::Int64());
+    WasmRunner<int64_t> r(execution_mode, MachineType::Int64());
     BUILD(r, WASM_I64_SHL(WASM_GET_LOCAL(0), WASM_I64V_1(32)));
     FOR_UINT64_INPUTS(i) { CHECK_EQ(*i << 32, r.Call(*i)); }
   }
   {
-    WasmRunner<int64_t> r(MachineType::Int64());
+    WasmRunner<int64_t> r(execution_mode, MachineType::Int64());
     BUILD(r, WASM_I64_SHL(WASM_GET_LOCAL(0), WASM_I64V_1(20)));
     FOR_UINT64_INPUTS(i) { CHECK_EQ(*i << 20, r.Call(*i)); }
   }
   {
-    WasmRunner<int64_t> r(MachineType::Int64());
+    WasmRunner<int64_t> r(execution_mode, MachineType::Int64());
     BUILD(r, WASM_I64_SHL(WASM_GET_LOCAL(0), WASM_I64V_1(40)));
     FOR_UINT64_INPUTS(i) { CHECK_EQ(*i << 40, r.Call(*i)); }
   }
 }
 
 WASM_EXEC_TEST(I64ShrU) {
   REQUIRE(I64ShrU);
   {
-    WasmRunner<uint64_t> r(MachineType::Uint64(), MachineType::Uint64());
+    WasmRunner<uint64_t> r(execution_mode, MachineType::Uint64(),
+                           MachineType::Uint64());
     BUILD(r, WASM_I64_SHR(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
 
     FOR_UINT64_INPUTS(i) {
       FOR_UINT64_INPUTS(j) {
         uint64_t expected = (*i) >> (*j & 0x3f);
         CHECK_EQ(expected, r.Call(*i, *j));
       }
     }
   }
   {
-    WasmRunner<int64_t> r(MachineType::Int64());
+    WasmRunner<int64_t> r(execution_mode, MachineType::Int64());
     BUILD(r, WASM_I64_SHR(WASM_GET_LOCAL(0), WASM_I64V_1(0)));
     FOR_UINT64_INPUTS(i) { CHECK_EQ(*i >> 0, r.Call(*i)); }
   }
   {
-    WasmRunner<int64_t> r(MachineType::Int64());
+    WasmRunner<int64_t> r(execution_mode, MachineType::Int64());
     BUILD(r, WASM_I64_SHR(WASM_GET_LOCAL(0), WASM_I64V_1(32)));
     FOR_UINT64_INPUTS(i) { CHECK_EQ(*i >> 32, r.Call(*i)); }
   }
   {
-    WasmRunner<int64_t> r(MachineType::Int64());
+    WasmRunner<int64_t> r(execution_mode, MachineType::Int64());
     BUILD(r, WASM_I64_SHR(WASM_GET_LOCAL(0), WASM_I64V_1(20)));
     FOR_UINT64_INPUTS(i) { CHECK_EQ(*i >> 20, r.Call(*i)); }
   }
   {
-    WasmRunner<int64_t> r(MachineType::Int64());
+    WasmRunner<int64_t> r(execution_mode, MachineType::Int64());
     BUILD(r, WASM_I64_SHR(WASM_GET_LOCAL(0), WASM_I64V_1(40)));
     FOR_UINT64_INPUTS(i) { CHECK_EQ(*i >> 40, r.Call(*i)); }
   }
 }
 
 WASM_EXEC_TEST(I64ShrS) {
   REQUIRE(I64ShrS);
   {
-    WasmRunner<int64_t> r(MachineType::Int64(), MachineType::Int64());
+    WasmRunner<int64_t> r(execution_mode, MachineType::Int64(),
+                          MachineType::Int64());
     BUILD(r, WASM_I64_SAR(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
 
     FOR_INT64_INPUTS(i) {
       FOR_INT64_INPUTS(j) {
         int64_t expected = (*i) >> (*j & 0x3f);
         CHECK_EQ(expected, r.Call(*i, *j));
       }
     }
   }
   {
-    WasmRunner<int64_t> r(MachineType::Int64());
+    WasmRunner<int64_t> r(execution_mode, MachineType::Int64());
     BUILD(r, WASM_I64_SAR(WASM_GET_LOCAL(0), WASM_I64V_1(0)));
     FOR_INT64_INPUTS(i) { CHECK_EQ(*i >> 0, r.Call(*i)); }
   }
   {
-    WasmRunner<int64_t> r(MachineType::Int64());
+    WasmRunner<int64_t> r(execution_mode, MachineType::Int64());
     BUILD(r, WASM_I64_SAR(WASM_GET_LOCAL(0), WASM_I64V_1(32)));
     FOR_INT64_INPUTS(i) { CHECK_EQ(*i >> 32, r.Call(*i)); }
   }
   {
-    WasmRunner<int64_t> r(MachineType::Int64());
+    WasmRunner<int64_t> r(execution_mode, MachineType::Int64());
     BUILD(r, WASM_I64_SAR(WASM_GET_LOCAL(0), WASM_I64V_1(20)));
     FOR_INT64_INPUTS(i) { CHECK_EQ(*i >> 20, r.Call(*i)); }
   }
   {
-    WasmRunner<int64_t> r(MachineType::Int64());
+    WasmRunner<int64_t> r(execution_mode, MachineType::Int64());
     BUILD(r, WASM_I64_SAR(WASM_GET_LOCAL(0), WASM_I64V_1(40)));
     FOR_INT64_INPUTS(i) { CHECK_EQ(*i >> 40, r.Call(*i)); }
   }
 }
 
 WASM_EXEC_TEST(I64Eq) {
   REQUIRE(I64Eq);
-  WasmRunner<int32_t> r(MachineType::Int64(), MachineType::Int64());
+  WasmRunner<int32_t> r(execution_mode, MachineType::Int64(),
+                        MachineType::Int64());
   BUILD(r, WASM_I64_EQ(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
   FOR_INT64_INPUTS(i) {
     FOR_INT64_INPUTS(j) { CHECK_EQ(*i == *j ? 1 : 0, r.Call(*i, *j)); }
   }
 }
 
 WASM_EXEC_TEST(I64Ne) {
   REQUIRE(I64Ne);
-  WasmRunner<int32_t> r(MachineType::Int64(), MachineType::Int64());
+  WasmRunner<int32_t> r(execution_mode, MachineType::Int64(),
+                        MachineType::Int64());
   BUILD(r, WASM_I64_NE(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
   FOR_INT64_INPUTS(i) {
     FOR_INT64_INPUTS(j) { CHECK_EQ(*i != *j ? 1 : 0, r.Call(*i, *j)); }
   }
 }
 
 WASM_EXEC_TEST(I64LtS) {
   REQUIRE(I64LtS);
-  WasmRunner<int32_t> r(MachineType::Int64(), MachineType::Int64());
+  WasmRunner<int32_t> r(execution_mode, MachineType::Int64(),
+                        MachineType::Int64());
   BUILD(r, WASM_I64_LTS(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
   FOR_INT64_INPUTS(i) {
     FOR_INT64_INPUTS(j) { CHECK_EQ(*i < *j ? 1 : 0, r.Call(*i, *j)); }
   }
 }
 
 WASM_EXEC_TEST(I64LeS) {
   REQUIRE(I64LeS);
-  WasmRunner<int32_t> r(MachineType::Int64(), MachineType::Int64());
+  WasmRunner<int32_t> r(execution_mode, MachineType::Int64(),
+                        MachineType::Int64());
   BUILD(r, WASM_I64_LES(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
   FOR_INT64_INPUTS(i) {
     FOR_INT64_INPUTS(j) { CHECK_EQ(*i <= *j ? 1 : 0, r.Call(*i, *j)); }
   }
 }
 
 WASM_EXEC_TEST(I64LtU) {
   REQUIRE(I64LtU);
-  WasmRunner<int32_t> r(MachineType::Int64(), MachineType::Int64());
+  WasmRunner<int32_t> r(execution_mode, MachineType::Int64(),
+                        MachineType::Int64());
   BUILD(r, WASM_I64_LTU(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
   FOR_UINT64_INPUTS(i) {
     FOR_UINT64_INPUTS(j) { CHECK_EQ(*i < *j ? 1 : 0, r.Call(*i, *j)); }
   }
 }
 
 WASM_EXEC_TEST(I64LeU) {
   REQUIRE(I64LeU);
-  WasmRunner<int32_t> r(MachineType::Int64(), MachineType::Int64());
+  WasmRunner<int32_t> r(execution_mode, MachineType::Int64(),
+                        MachineType::Int64());
   BUILD(r, WASM_I64_LEU(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
   FOR_UINT64_INPUTS(i) {
     FOR_UINT64_INPUTS(j) { CHECK_EQ(*i <= *j ? 1 : 0, r.Call(*i, *j)); }
   }
 }
 
 WASM_EXEC_TEST(I64GtS) {
   REQUIRE(I64GtS);
-  WasmRunner<int32_t> r(MachineType::Int64(), MachineType::Int64());
+  WasmRunner<int32_t> r(execution_mode, MachineType::Int64(),
+                        MachineType::Int64());
   BUILD(r, WASM_I64_GTS(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
   FOR_INT64_INPUTS(i) {
     FOR_INT64_INPUTS(j) { CHECK_EQ(*i > *j ? 1 : 0, r.Call(*i, *j)); }
   }
 }
 
 WASM_EXEC_TEST(I64GeS) {
   REQUIRE(I64GeS);
-  WasmRunner<int32_t> r(MachineType::Int64(), MachineType::Int64());
+  WasmRunner<int32_t> r(execution_mode, MachineType::Int64(),
+                        MachineType::Int64());
   BUILD(r, WASM_I64_GES(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
   FOR_INT64_INPUTS(i) {
     FOR_INT64_INPUTS(j) { CHECK_EQ(*i >= *j ? 1 : 0, r.Call(*i, *j)); }
   }
 }
 
 WASM_EXEC_TEST(I64GtU) {
   REQUIRE(I64GtU);
-  WasmRunner<int32_t> r(MachineType::Int64(), MachineType::Int64());
+  WasmRunner<int32_t> r(execution_mode, MachineType::Int64(),
+                        MachineType::Int64());
   BUILD(r, WASM_I64_GTU(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
   FOR_UINT64_INPUTS(i) {
     FOR_UINT64_INPUTS(j) { CHECK_EQ(*i > *j ? 1 : 0, r.Call(*i, *j)); }
   }
 }
 
 WASM_EXEC_TEST(I64GeU) {
   REQUIRE(I64GeU);
-  WasmRunner<int32_t> r(MachineType::Int64(), MachineType::Int64());
+  WasmRunner<int32_t> r(execution_mode, MachineType::Int64(),
+                        MachineType::Int64());
   BUILD(r, WASM_I64_GEU(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
   FOR_UINT64_INPUTS(i) {
     FOR_UINT64_INPUTS(j) { CHECK_EQ(*i >= *j ? 1 : 0, r.Call(*i, *j)); }
   }
 }
 
 WASM_EXEC_TEST(I32ConvertI64) {
   REQUIRE(I32ConvertI64);
   FOR_INT64_INPUTS(i) {
-    WasmRunner<int32_t> r;
+    WasmRunner<int32_t> r(execution_mode);
     BUILD(r, WASM_I32_CONVERT_I64(WASM_I64V(*i)));
     CHECK_EQ(static_cast<int32_t>(*i), r.Call());
   }
 }
 
 WASM_EXEC_TEST(I64SConvertI32) {
   REQUIRE(I64SConvertI32);
-  WasmRunner<int64_t> r(MachineType::Int32());
+  WasmRunner<int64_t> r(execution_mode, MachineType::Int32());
   BUILD(r, WASM_I64_SCONVERT_I32(WASM_GET_LOCAL(0)));
   FOR_INT32_INPUTS(i) { CHECK_EQ(static_cast<int64_t>(*i), r.Call(*i)); }
 }
 
 WASM_EXEC_TEST(I64UConvertI32) {
   REQUIRE(I64UConvertI32);
-  WasmRunner<int64_t> r(MachineType::Uint32());
+  WasmRunner<int64_t> r(execution_mode, MachineType::Uint32());
   BUILD(r, WASM_I64_UCONVERT_I32(WASM_GET_LOCAL(0)));
   FOR_UINT32_INPUTS(i) { CHECK_EQ(static_cast<uint64_t>(*i), r.Call(*i)); }
 }
 
 WASM_EXEC_TEST(I64Popcnt) {
   struct {
     int64_t expected;
     uint64_t input;
   } values[] = {{64, 0xffffffffffffffff},
                 {0, 0x0000000000000000},
                 {2, 0x0000080000008000},
                 {26, 0x1123456782345678},
                 {38, 0xffedcba09edcba09}};
 
-  WasmRunner<int64_t> r(MachineType::Uint64());
+  WasmRunner<int64_t> r(execution_mode, MachineType::Uint64());
   BUILD(r, WASM_I64_POPCNT(WASM_GET_LOCAL(0)));
   for (size_t i = 0; i < arraysize(values); i++) {
     CHECK_EQ(values[i].expected, r.Call(values[i].input));
   }
 }
 
 WASM_EXEC_TEST(F32SConvertI64) {
   REQUIRE(F32SConvertI64);
-  WasmRunner<float> r(MachineType::Int64());
+  WasmRunner<float> r(execution_mode, MachineType::Int64());
   BUILD(r, WASM_F32_SCONVERT_I64(WASM_GET_LOCAL(0)));
   FOR_INT64_INPUTS(i) { CHECK_FLOAT_EQ(static_cast<float>(*i), r.Call(*i)); }
 }
 
 WASM_EXEC_TEST(F32UConvertI64) {
   REQUIRE(F32UConvertI64);
   struct {
     uint64_t input;
     uint32_t expected;
   } values[] = {{0x0, 0x0},
@@ skipping 65 matching lines @@
                 {0x3fffffffffff, 0x56800000},
                 {0x1fffffffffff, 0x56000000},
                 {0xfffffffffff, 0x55800000},
                 {0x7ffffffffff, 0x55000000},
                 {0x3ffffffffff, 0x54800000},
                 {0x1ffffffffff, 0x54000000},
                 {0x8000008000000000, 0x5f000000},
                 {0x8000008000000001, 0x5f000001},
                 {0x8000000000000400, 0x5f000000},
                 {0x8000000000000401, 0x5f000000}};
-  WasmRunner<float> r(MachineType::Uint64());
+  WasmRunner<float> r(execution_mode, MachineType::Uint64());
   BUILD(r, WASM_F32_UCONVERT_I64(WASM_GET_LOCAL(0)));
   for (size_t i = 0; i < arraysize(values); i++) {
     CHECK_EQ(bit_cast<float>(values[i].expected), r.Call(values[i].input));
   }
 }
 
 WASM_EXEC_TEST(F64SConvertI64) {
   REQUIRE(F64SConvertI64);
-  WasmRunner<double> r(MachineType::Int64());
+  WasmRunner<double> r(execution_mode, MachineType::Int64());
   BUILD(r, WASM_F64_SCONVERT_I64(WASM_GET_LOCAL(0)));
   FOR_INT64_INPUTS(i) { CHECK_DOUBLE_EQ(static_cast<double>(*i), r.Call(*i)); }
 }
 
 WASM_EXEC_TEST(F64UConvertI64) {
   REQUIRE(F64UConvertI64);
   struct {
     uint64_t input;
     uint64_t expected;
   } values[] = {{0x0, 0x0},
@@ skipping 64 matching lines @@
                 {0x3fffffffffff, 0x42cfffffffffff80},
                 {0x1fffffffffff, 0x42bfffffffffff00},
                 {0xfffffffffff, 0x42affffffffffe00},
                 {0x7ffffffffff, 0x429ffffffffffc00},
                 {0x3ffffffffff, 0x428ffffffffff800},
                 {0x1ffffffffff, 0x427ffffffffff000},
                 {0x8000008000000000, 0x43e0000010000000},
                 {0x8000008000000001, 0x43e0000010000000},
                 {0x8000000000000400, 0x43e0000000000000},
                 {0x8000000000000401, 0x43e0000000000001}};
-  WasmRunner<double> r(MachineType::Uint64());
+  WasmRunner<double> r(execution_mode, MachineType::Uint64());
   BUILD(r, WASM_F64_UCONVERT_I64(WASM_GET_LOCAL(0)));
   for (size_t i = 0; i < arraysize(values); i++) {
     CHECK_EQ(bit_cast<double>(values[i].expected), r.Call(values[i].input));
   }
 }
 
 WASM_EXEC_TEST(I64SConvertF32a) {
-  WasmRunner<int64_t> r(MachineType::Float32());
+  WasmRunner<int64_t> r(execution_mode, MachineType::Float32());
   BUILD(r, WASM_I64_SCONVERT_F32(WASM_GET_LOCAL(0)));
 
   FOR_FLOAT32_INPUTS(i) {
     if (*i < static_cast<float>(std::numeric_limits<int64_t>::max()) &&
         *i >= static_cast<float>(std::numeric_limits<int64_t>::min())) {
       CHECK_EQ(static_cast<int64_t>(*i), r.Call(*i));
     } else {
       CHECK_TRAP64(r.Call(*i));
     }
   }
 }
 
 WASM_EXEC_TEST(I64SConvertF64a) {
-  WasmRunner<int64_t> r(MachineType::Float64());
+  WasmRunner<int64_t> r(execution_mode, MachineType::Float64());
   BUILD(r, WASM_I64_SCONVERT_F64(WASM_GET_LOCAL(0)));
 
   FOR_FLOAT64_INPUTS(i) {
     if (*i < static_cast<double>(std::numeric_limits<int64_t>::max()) &&
         *i >= static_cast<double>(std::numeric_limits<int64_t>::min())) {
       CHECK_EQ(static_cast<int64_t>(*i), r.Call(*i));
     } else {
       CHECK_TRAP64(r.Call(*i));
     }
   }
 }
 
 WASM_EXEC_TEST(I64UConvertF32a) {
-  WasmRunner<uint64_t> r(MachineType::Float32());
+  WasmRunner<uint64_t> r(execution_mode, MachineType::Float32());
   BUILD(r, WASM_I64_UCONVERT_F32(WASM_GET_LOCAL(0)));
 
   FOR_FLOAT32_INPUTS(i) {
     if (*i < static_cast<float>(std::numeric_limits<uint64_t>::max()) &&
         *i > -1) {
       CHECK_EQ(static_cast<uint64_t>(*i), r.Call(*i));
     } else {
       CHECK_TRAP64(r.Call(*i));
     }
   }
 }
 
 WASM_EXEC_TEST(I64UConvertF64a) {
-  WasmRunner<uint64_t> r(MachineType::Float64());
+  WasmRunner<uint64_t> r(execution_mode, MachineType::Float64());
   BUILD(r, WASM_I64_UCONVERT_F64(WASM_GET_LOCAL(0)));
 
   FOR_FLOAT64_INPUTS(i) {
     if (*i < static_cast<float>(std::numeric_limits<uint64_t>::max()) &&
         *i > -1) {
       CHECK_EQ(static_cast<uint64_t>(*i), r.Call(*i));
     } else {
       CHECK_TRAP64(r.Call(*i));
     }
   }
 }
 
 WASM_EXEC_TEST(CallI64Parameter) {
   // Build the target function.
   LocalType param_types[20];
   for (int i = 0; i < 20; i++) param_types[i] = kAstI64;
   param_types[3] = kAstI32;
   param_types[4] = kAstI32;
   FunctionSig sig(1, 19, param_types);
   for (int i = 0; i < 19; i++) {
-    TestingModule module;
+    TestingModule module(execution_mode);
     WasmFunctionCompiler t(&sig, &module);
     if (i == 2 || i == 3) {
       continue;
     } else {
       BUILD(t, WASM_GET_LOCAL(i));
     }
     uint32_t index = t.CompileAndAdd();
 
     // Build the calling function.
     WasmRunner<int32_t> r(&module);
     BUILD(
         r,
         WASM_I32_CONVERT_I64(WASM_CALL_FUNCTIONN(
             19, index, WASM_I64V_9(0xbcd12340000000b),
             WASM_I64V_9(0xbcd12340000000c), WASM_I32V_1(0xd),
             WASM_I32_CONVERT_I64(WASM_I64V_9(0xbcd12340000000e)),
             WASM_I64V_9(0xbcd12340000000f), WASM_I64V_10(0xbcd1234000000010),
             WASM_I64V_10(0xbcd1234000000011), WASM_I64V_10(0xbcd1234000000012),
             WASM_I64V_10(0xbcd1234000000013), WASM_I64V_10(0xbcd1234000000014),
             WASM_I64V_10(0xbcd1234000000015), WASM_I64V_10(0xbcd1234000000016),
             WASM_I64V_10(0xbcd1234000000017), WASM_I64V_10(0xbcd1234000000018),
             WASM_I64V_10(0xbcd1234000000019), WASM_I64V_10(0xbcd123400000001a),
             WASM_I64V_10(0xbcd123400000001b), WASM_I64V_10(0xbcd123400000001c),
             WASM_I64V_10(0xbcd123400000001d))));
 
     CHECK_EQ(i + 0xb, r.Call());
   }
 }
 
-void TestI64Binop(WasmOpcode opcode, int64_t expected, int64_t a, int64_t b) {
+void TestI64Binop(WasmExecutionMode execution_mode, WasmOpcode opcode,
+                  int64_t expected, int64_t a, int64_t b) {
   {
-    WasmRunner<int64_t> r;
+    WasmRunner<int64_t> r(execution_mode);
     // return K op K
     BUILD(r, WASM_BINOP(opcode, WASM_I64V(a), WASM_I64V(b)));
     CHECK_EQ(expected, r.Call());
   }
   {
-    WasmRunner<int64_t> r(MachineType::Int64(), MachineType::Int64());
+    WasmRunner<int64_t> r(execution_mode, MachineType::Int64(),
+                          MachineType::Int64());
     // return a op b
     BUILD(r, WASM_BINOP(opcode, WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
     CHECK_EQ(expected, r.Call(a, b));
   }
 }
 
-void TestI64Cmp(WasmOpcode opcode, int64_t expected, int64_t a, int64_t b) {
+void TestI64Cmp(WasmExecutionMode execution_mode, WasmOpcode opcode,
+                int64_t expected, int64_t a, int64_t b) {
   {
-    WasmRunner<int32_t> r;
+    WasmRunner<int32_t> r(execution_mode);
     // return K op K
     BUILD(r, WASM_BINOP(opcode, WASM_I64V(a), WASM_I64V(b)));
     CHECK_EQ(expected, r.Call());
   }
   {
-    WasmRunner<int32_t> r(MachineType::Int64(), MachineType::Int64());
+    WasmRunner<int32_t> r(execution_mode, MachineType::Int64(),
+                          MachineType::Int64());
     // return a op b
     BUILD(r, WASM_BINOP(opcode, WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
     CHECK_EQ(expected, r.Call(a, b));
   }
 }
 
-#define TEST_I64_BINOP(name, expected, a, b)     \
-  do {                                           \
-    if (WASM_64 || kSupported_##name)            \
-      TestI64Binop(kExpr##name, expected, a, b); \
+#define TEST_I64_BINOP(name, expected, a, b)                     \
+  do {                                                           \
+    if (WASM_64 || kSupported_##name)                            \
+      TestI64Binop(execution_mode, kExpr##name, expected, a, b); \
   } while (false)
 
 WASM_EXEC_TEST(I64Binops) {
   TEST_I64_BINOP(I64Add, -5586332274295447011, 0x501b72ebabc26847,
                  0x625de9793d8f79d6);
   TEST_I64_BINOP(I64Sub, 9001903251710731490, 0xf24fe6474640002e,
                  0x7562b6f711991b4c);
   TEST_I64_BINOP(I64Mul, -4569547818546064176, 0x231a263c2cbc6451,
                  0xead44de6bd3e23d0);
   TEST_I64_BINOP(I64Mul, -25963122347507043, 0x4da1fa47c9352b73,
@@ skipping 14 matching lines @@
                  0x76ff4da6c80688bf);
   TEST_I64_BINOP(I64Shl, -7240704056088331264, 0xef4dc1ed030e8ffe, 9);
   TEST_I64_BINOP(I64ShrU, 12500673744059159, 0xb1a52fa7deec5d14, 10);
   TEST_I64_BINOP(I64ShrS, 1725103446999874, 0x3107c791461a112b, 11);
   TEST_I64_BINOP(I64Ror, -8960135652432576946, 0x73418d1717e4e83a, 12);
   TEST_I64_BINOP(I64Ror, 7617662827409989779, 0xebff67cf0c126d36, 13);
   TEST_I64_BINOP(I64Rol, -2097714064174346012, 0x43938b8db0b0f230, 14);
   TEST_I64_BINOP(I64Rol, 8728493013947314237, 0xe07af243ac4d219d, 15);
 }
 
-#define TEST_I64_CMP(name, expected, a, b)                                     \
-  do {                                                                         \
-    if (WASM_64 || kSupported_##name) TestI64Cmp(kExpr##name, expected, a, b); \
+#define TEST_I64_CMP(name, expected, a, b)                     \
+  do {                                                         \
+    if (WASM_64 || kSupported_##name)                          \
+      TestI64Cmp(execution_mode, kExpr##name, expected, a, b); \
   } while (false)
 
 WASM_EXEC_TEST(I64Compare) {
   TEST_I64_CMP(I64Eq, 0, 0xB915D8FA494064F0, 0x04D700B2536019A3);
   TEST_I64_CMP(I64Ne, 1, 0xC2FAFAAAB0446CDC, 0x52A3328F780C97A3);
   TEST_I64_CMP(I64LtS, 0, 0x673636E6306B0578, 0x028EC9ECA78F7227);
   TEST_I64_CMP(I64LeS, 1, 0xAE5214114B86A0FA, 0x7C1D21DA3DFD0CCF);
   TEST_I64_CMP(I64LtU, 0, 0x7D52166381EC1CE0, 0x59F4A6A9E78CD3D8);
   TEST_I64_CMP(I64LeU, 1, 0xE4169A385C7EA0E0, 0xFBDBED2C8781E5BC);
   TEST_I64_CMP(I64GtS, 0, 0x9D08FF8FB5F42E81, 0xD4E5C9D7FE09F621);
@@ skipping 34 matching lines @@
                 {48, 0x0000000000008040}, {49, 0x0000000000004005},
                 {50, 0x0000000000002050}, {51, 0x0000000000001700},
                 {52, 0x0000000000000870}, {53, 0x0000000000000405},
                 {54, 0x0000000000000203}, {55, 0x0000000000000101},
                 {56, 0x0000000000000089}, {57, 0x0000000000000041},
                 {58, 0x0000000000000022}, {59, 0x0000000000000013},
                 {60, 0x0000000000000008}, {61, 0x0000000000000004},
                 {62, 0x0000000000000002}, {63, 0x0000000000000001},
                 {64, 0x0000000000000000}};
 
-  WasmRunner<int64_t> r(MachineType::Uint64());
+  WasmRunner<int64_t> r(execution_mode, MachineType::Uint64());
   BUILD(r, WASM_I64_CLZ(WASM_GET_LOCAL(0)));
   for (size_t i = 0; i < arraysize(values); i++) {
     CHECK_EQ(values[i].expected, r.Call(values[i].input));
   }
 }
 
 WASM_EXEC_TEST(I64Ctz) {
   REQUIRE(I64Ctz);
   struct {
     int64_t expected;
@@ skipping 25 matching lines @@
                 {16, 0x00000000b8f10000}, {15, 0x000000003b9f8000},
                 {14, 0x00000000db4c4000}, {13, 0x00000000e9a32000},
                 {12, 0x00000000fca61000}, {11, 0x000000006c8a7800},
                 {10, 0x000000008ce5a400}, {9, 0x00000000cb7d0200},
                 {8, 0x00000000cb4dc100},  {7, 0x00000000dfbec580},
                 {6, 0x0000000027a9db40},  {5, 0x00000000de3bcb20},
                 {4, 0x00000000d7e8a610},  {3, 0x000000009afdbc88},
                 {2, 0x000000009afdbc84},  {1, 0x000000009afdbc82},
                 {0, 0x000000009afdbc81}};
 
-  WasmRunner<int64_t> r(MachineType::Uint64());
+  WasmRunner<int64_t> r(execution_mode, MachineType::Uint64());
   BUILD(r, WASM_I64_CTZ(WASM_GET_LOCAL(0)));
   for (size_t i = 0; i < arraysize(values); i++) {
     CHECK_EQ(values[i].expected, r.Call(values[i].input));
   }
 }
 
 WASM_EXEC_TEST(I64Popcnt2) {
   REQUIRE(I64Popcnt);
   struct {
     int64_t expected;
     uint64_t input;
   } values[] = {{64, 0xffffffffffffffff},
                 {0, 0x0000000000000000},
                 {2, 0x0000080000008000},
                 {26, 0x1123456782345678},
                 {38, 0xffedcba09edcba09}};
 
-  WasmRunner<int64_t> r(MachineType::Uint64());
+  WasmRunner<int64_t> r(execution_mode, MachineType::Uint64());
   BUILD(r, WASM_I64_POPCNT(WASM_GET_LOCAL(0)));
   for (size_t i = 0; i < arraysize(values); i++) {
     CHECK_EQ(values[i].expected, r.Call(values[i].input));
   }
 }
 
 // Test the WasmRunner with an Int64 return value and different numbers of
 // Int64 parameters.
-TEST(Run_TestI64WasmRunner) {
+WASM_EXEC_TEST(I64WasmRunner) {
   REQUIRE(I64Param);
   REQUIRE(I64Xor);
-  {FOR_INT64_INPUTS(i){WasmRunner<int64_t> r;
+  {FOR_INT64_INPUTS(i){WasmRunner<int64_t> r(execution_mode);
   BUILD(r, WASM_I64V(*i));
   CHECK_EQ(*i, r.Call());
 }
 }
 {
-  WasmRunner<int64_t> r(MachineType::Int64());
+  WasmRunner<int64_t> r(execution_mode, MachineType::Int64());
   BUILD(r, WASM_GET_LOCAL(0));
   FOR_INT64_INPUTS(i) { CHECK_EQ(*i, r.Call(*i)); }
 }
 {
-  WasmRunner<int64_t> r(MachineType::Int64(), MachineType::Int64());
+  WasmRunner<int64_t> r(execution_mode, MachineType::Int64(),
+                        MachineType::Int64());
   BUILD(r, WASM_I64_XOR(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
   FOR_INT64_INPUTS(i) {
     FOR_INT64_INPUTS(j) { CHECK_EQ(*i ^ *j, r.Call(*i, *j)); }
   }
 }
 {
-  WasmRunner<int64_t> r(MachineType::Int64(), MachineType::Int64(),
-                        MachineType::Int64());
+  WasmRunner<int64_t> r(execution_mode, MachineType::Int64(),
+                        MachineType::Int64(), MachineType::Int64());
   BUILD(r, WASM_I64_XOR(WASM_GET_LOCAL(0),
                         WASM_I64_XOR(WASM_GET_LOCAL(1), WASM_GET_LOCAL(2))));
   FOR_INT64_INPUTS(i) {
     FOR_INT64_INPUTS(j) {
       CHECK_EQ(*i ^ *j ^ *j, r.Call(*i, *j, *j));
       CHECK_EQ(*j ^ *i ^ *j, r.Call(*j, *i, *j));
       CHECK_EQ(*j ^ *j ^ *i, r.Call(*j, *j, *i));
     }
   }
 }
 {
-  WasmRunner<int64_t> r(MachineType::Int64(), MachineType::Int64(),
-                        MachineType::Int64(), MachineType::Int64());
+  WasmRunner<int64_t> r(execution_mode, MachineType::Int64(),
+                        MachineType::Int64(), MachineType::Int64(),
+                        MachineType::Int64());
   BUILD(r, WASM_I64_XOR(WASM_GET_LOCAL(0),
                         WASM_I64_XOR(WASM_GET_LOCAL(1),
                                      WASM_I64_XOR(WASM_GET_LOCAL(2),
                                                   WASM_GET_LOCAL(3)))));
   FOR_INT64_INPUTS(i) {
     FOR_INT64_INPUTS(j) {
       CHECK_EQ(*i ^ *j ^ *j ^ *j, r.Call(*i, *j, *j, *j));
       CHECK_EQ(*j ^ *i ^ *j ^ *j, r.Call(*j, *i, *j, *j));
       CHECK_EQ(*j ^ *j ^ *i ^ *j, r.Call(*j, *j, *i, *j));
       CHECK_EQ(*j ^ *j ^ *j ^ *i, r.Call(*j, *j, *j, *i));
     }
   }
 }
 }
 
 WASM_EXEC_TEST(Call_Int64Sub) {
   REQUIRE(I64Sub);
   // Build the target function.
   TestSignatures sigs;
-  TestingModule module;
+  TestingModule module(execution_mode);
   WasmFunctionCompiler t(sigs.l_ll(), &module);
   BUILD(t, WASM_I64_SUB(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
   uint32_t index = t.CompileAndAdd();
 
   // Build the caller function.
   WasmRunner<int64_t> r(&module, MachineType::Int64(), MachineType::Int64());
   BUILD(r, WASM_CALL_FUNCTION2(index, WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
 
   FOR_INT32_INPUTS(i) {
     FOR_INT32_INPUTS(j) {
       int64_t a = static_cast<int64_t>(*i) << 32 |
                   (static_cast<int64_t>(*j) | 0xFFFFFFFF);
       int64_t b = static_cast<int64_t>(*j) << 32 |
                   (static_cast<int64_t>(*i) | 0xFFFFFFFF);
 
       int64_t expected = static_cast<int64_t>(static_cast<uint64_t>(a) -
                                               static_cast<uint64_t>(b));
       CHECK_EQ(expected, r.Call(a, b));
     }
   }
 }
 
 WASM_EXEC_TEST(LoadStoreI64_sx) {
   REQUIRE(I64LoadStore);
   REQUIRE(DepthFirst);
   byte loads[] = {kExprI64LoadMem8S, kExprI64LoadMem16S, kExprI64LoadMem32S,
                   kExprI64LoadMem};
 
   for (size_t m = 0; m < arraysize(loads); m++) {
-    TestingModule module;
+    TestingModule module(execution_mode);
     byte* memory = module.AddMemoryElems<byte>(16);
     WasmRunner<int64_t> r(&module);
 
     byte code[] = {
         kExprI8Const,     8,  // --
         kExprI8Const,     0,  // --
         loads[m],             // --
         ZERO_ALIGNMENT,       // --
         ZERO_OFFSET,          // --
         kExprI64StoreMem,     // --
@@ skipping 15 matching lines @@
       CHECK_EQ(static_cast<byte>(i), memory[8 + size - 1]);
       for (int j = size; j < 8; j++) {
         CHECK_EQ(255, memory[8 + j]);
       }
     }
   }
 }
 
 WASM_EXEC_TEST(I64SConvertF32b) {
   REQUIRE(I64SConvertF32);
-  WasmRunner<int64_t> r(MachineType::Float32());
+  WasmRunner<int64_t> r(execution_mode, MachineType::Float32());
   BUILD(r, WASM_I64_SCONVERT_F32(WASM_GET_LOCAL(0)));
 
   FOR_FLOAT32_INPUTS(i) {
     if (*i < static_cast<float>(INT64_MAX) &&
         *i >= static_cast<float>(INT64_MIN)) {
       CHECK_EQ(static_cast<int64_t>(*i), r.Call(*i));
     } else {
       CHECK_TRAP64(r.Call(*i));
     }
   }
 }
 
 WASM_EXEC_TEST(I64SConvertF64b) {
   REQUIRE(I64SConvertF64);
-  WasmRunner<int64_t> r(MachineType::Float64());
+  WasmRunner<int64_t> r(execution_mode, MachineType::Float64());
   BUILD(r, WASM_I64_SCONVERT_F64(WASM_GET_LOCAL(0)));
 
   FOR_FLOAT64_INPUTS(i) {
     if (*i < static_cast<double>(INT64_MAX) &&
         *i >= static_cast<double>(INT64_MIN)) {
       CHECK_EQ(static_cast<int64_t>(*i), r.Call(*i));
     } else {
       CHECK_TRAP64(r.Call(*i));
     }
   }
 }
 
 WASM_EXEC_TEST(I64UConvertF32b) {
   REQUIRE(I64UConvertF32);
-  WasmRunner<uint64_t> r(MachineType::Float32());
+  WasmRunner<uint64_t> r(execution_mode, MachineType::Float32());
   BUILD(r, WASM_I64_UCONVERT_F32(WASM_GET_LOCAL(0)));
 
   FOR_FLOAT32_INPUTS(i) {
     if (*i < static_cast<float>(UINT64_MAX) && *i > -1) {
       CHECK_EQ(static_cast<uint64_t>(*i), r.Call(*i));
     } else {
       CHECK_TRAP64(r.Call(*i));
     }
   }
 }
 
 WASM_EXEC_TEST(I64UConvertF64b) {
   REQUIRE(I64UConvertF64);
-  WasmRunner<uint64_t> r(MachineType::Float64());
+  WasmRunner<uint64_t> r(execution_mode, MachineType::Float64());
   BUILD(r, WASM_I64_UCONVERT_F64(WASM_GET_LOCAL(0)));
 
   FOR_FLOAT64_INPUTS(i) {
     if (*i < static_cast<float>(UINT64_MAX) && *i > -1) {
       CHECK_EQ(static_cast<uint64_t>(*i), r.Call(*i));
     } else {
       CHECK_TRAP64(r.Call(*i));
     }
   }
 }
 
 WASM_EXEC_TEST(I64ReinterpretF64) {
   REQUIRE(I64ReinterpretF64);
-  TestingModule module;
+  TestingModule module(execution_mode);
   int64_t* memory = module.AddMemoryElems<int64_t>(8);
   WasmRunner<int64_t> r(&module);
 
   BUILD(r, WASM_I64_REINTERPRET_F64(
                WASM_LOAD_MEM(MachineType::Float64(), WASM_ZERO)));
 
   FOR_INT32_INPUTS(i) {
     int64_t expected = static_cast<int64_t>(*i) * 0x300010001;
     memory[0] = expected;
     CHECK_EQ(expected, r.Call());
   }
 }
 
 WASM_EXEC_TEST(F64ReinterpretI64) {
   REQUIRE(F64ReinterpretI64);
-  TestingModule module;
+  TestingModule module(execution_mode);
   int64_t* memory = module.AddMemoryElems<int64_t>(8);
   WasmRunner<int64_t> r(&module, MachineType::Int64());
 
   BUILD(r, WASM_BLOCK(
                2, WASM_STORE_MEM(MachineType::Float64(), WASM_ZERO,
                                  WASM_F64_REINTERPRET_I64(WASM_GET_LOCAL(0))),
                WASM_GET_LOCAL(0)));
 
   FOR_INT32_INPUTS(i) {
     int64_t expected = static_cast<int64_t>(*i) * 0x300010001;
     CHECK_EQ(expected, r.Call(expected));
     CHECK_EQ(expected, memory[0]);
   }
 }
 
 WASM_EXEC_TEST(LoadMemI64) {
   REQUIRE(I64LoadStore);
-  TestingModule module;
+  TestingModule module(execution_mode);
   int64_t* memory = module.AddMemoryElems<int64_t>(8);
   module.RandomizeMemory(1111);
   WasmRunner<int64_t> r(&module);
 
   BUILD(r, WASM_LOAD_MEM(MachineType::Int64(), WASM_I8(0)));
 
   memory[0] = 0xaabbccdd00112233LL;
   CHECK_EQ(0xaabbccdd00112233LL, r.Call());
 
   memory[0] = 0x33aabbccdd001122LL;
   CHECK_EQ(0x33aabbccdd001122LL, r.Call());
 
   memory[0] = 77777777;
   CHECK_EQ(77777777, r.Call());
 }
 
-WASM_EXEC_TEST(Run_Wasm_LoadMemI64_alignment) {
+WASM_EXEC_TEST(LoadMemI64_alignment) {
   REQUIRE(I64LoadStore);
-  TestingModule module;
+  TestingModule module(execution_mode);
   int64_t* memory = module.AddMemoryElems<int64_t>(8);
   for (byte alignment = 0; alignment <= 3; alignment++) {
     module.RandomizeMemory(1111);
     WasmRunner<int64_t> r(&module);
 
     BUILD(r,
           WASM_LOAD_MEM_ALIGNMENT(MachineType::Int64(), WASM_I8(0), alignment));
 
     memory[0] = 0xaabbccdd00112233LL;
     CHECK_EQ(0xaabbccdd00112233LL, r.Call());
 
     memory[0] = 0x33aabbccdd001122LL;
     CHECK_EQ(0x33aabbccdd001122LL, r.Call());
 
     memory[0] = 77777777;
     CHECK_EQ(77777777, r.Call());
   }
 }
 
-WASM_EXEC_TEST(Run_Wasm_MemI64_Sum) {
+WASM_EXEC_TEST(MemI64_Sum) {
   REQUIRE(I64LoadStore);
   REQUIRE(I64Add);
   REQUIRE(I64Sub);
   REQUIRE(I64Phi);
   const int kNumElems = 20;
-  TestingModule module;
+  TestingModule module(execution_mode);
   uint64_t* memory = module.AddMemoryElems<uint64_t>(kNumElems);
   WasmRunner<uint64_t> r(&module, MachineType::Int32());
   const byte kSum = r.AllocateLocal(kAstI64);
 
   BUILD(r, WASM_BLOCK(
                2, WASM_WHILE(
                       WASM_GET_LOCAL(0),
                       WASM_BLOCK(
                           2, WASM_SET_LOCAL(
                                  kSum, WASM_I64_ADD(
                                            WASM_GET_LOCAL(kSum),
                                            WASM_LOAD_MEM(MachineType::Int64(),
                                                          WASM_GET_LOCAL(0)))),
                           WASM_SET_LOCAL(
                               0, WASM_I32_SUB(WASM_GET_LOCAL(0), WASM_I8(8))))),
                WASM_GET_LOCAL(1)));
 
   // Run 4 trials.
   for (int i = 0; i < 3; i++) {
     module.RandomizeMemory(i * 33);
     uint64_t expected = 0;
     for (size_t j = kNumElems - 1; j > 0; j--) {
       expected += memory[j];
     }
     uint64_t result = r.Call(8 * (kNumElems - 1));
     CHECK_EQ(expected, result);
   }
 }
 
-WASM_EXEC_TEST(Run_Wasm_StoreMemI64_alignment) {
-  TestingModule module;
+WASM_EXEC_TEST(StoreMemI64_alignment) {
+  TestingModule module(execution_mode);
   int64_t* memory = module.AddMemoryElems<int64_t>(4);
   const int64_t kWritten = 0x12345678abcd0011ll;
 
   for (byte i = 0; i <= 3; i++) {
     WasmRunner<int64_t> r(&module, MachineType::Int64());
     BUILD(r, WASM_STORE_MEM_ALIGNMENT(MachineType::Int64(), WASM_ZERO, i,
                                       WASM_GET_LOCAL(0)));
     module.RandomizeMemory(1111);
     memory[0] = 0;
 
     CHECK_EQ(kWritten, r.Call(kWritten));
     CHECK_EQ(kWritten, memory[0]);
   }
 }
 
-WASM_EXEC_TEST(Run_Wasm_I64Global) {
+WASM_EXEC_TEST(I64Global) {
   REQUIRE(I64LoadStore);
   REQUIRE(I64SConvertI32);
   REQUIRE(I64And);
   REQUIRE(DepthFirst);
-  TestingModule module;
+  TestingModule module(execution_mode);
   int64_t* global = module.AddGlobal<int64_t>(MachineType::Int64());
   WasmRunner<int32_t> r(&module, MachineType::Int32());
   // global = global + p0
   BUILD(r, B2(WASM_STORE_GLOBAL(
                   0, WASM_I64_AND(WASM_LOAD_GLOBAL(0),
                                   WASM_I64_SCONVERT_I32(WASM_GET_LOCAL(0)))),
               WASM_ZERO));
 
   *global = 0xFFFFFFFFFFFFFFFFLL;
   for (int i = 9; i < 444444; i += 111111) {
     int64_t expected = *global & i;
     r.Call(i);
     CHECK_EQ(expected, *global);
   }
 }
 
 WASM_EXEC_TEST(I64Eqz) {
   REQUIRE(I64Eq);
 
-  WasmRunner<int32_t> r(MachineType::Int64());
+  WasmRunner<int32_t> r(execution_mode, MachineType::Int64());
   BUILD(r, WASM_I64_EQZ(WASM_GET_LOCAL(0)));
 
   FOR_INT64_INPUTS(i) {
     int32_t result = *i == 0 ? 1 : 0;
     CHECK_EQ(result, r.Call(*i));
   }
 }
 
 WASM_EXEC_TEST(I64Ror) {
   REQUIRE(I64Ror);
-  WasmRunner<int64_t> r(MachineType::Int64(), MachineType::Int64());
+  WasmRunner<int64_t> r(execution_mode, MachineType::Int64(),
+                        MachineType::Int64());
   BUILD(r, WASM_I64_ROR(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
 
   FOR_UINT64_INPUTS(i) {
     FOR_UINT64_INPUTS(j) {
       int64_t expected = bits::RotateRight64(*i, *j & 0x3f);
       CHECK_EQ(expected, r.Call(*i, *j));
     }
   }
 }
 
 WASM_EXEC_TEST(I64Rol) {
   REQUIRE(I64Rol);
-  WasmRunner<int64_t> r(MachineType::Int64(), MachineType::Int64());
+  WasmRunner<int64_t> r(execution_mode, MachineType::Int64(),
+                        MachineType::Int64());
   BUILD(r, WASM_I64_ROL(WASM_GET_LOCAL(0), WASM_GET_LOCAL(1)));
 
   FOR_UINT64_INPUTS(i) {
     FOR_UINT64_INPUTS(j) {
       int64_t expected = bits::RotateLeft64(*i, *j & 0x3f);
       CHECK_EQ(expected, r.Call(*i, *j));
     }
   }
 }