X87: Change the test case for X87 Run_WasmF32SConvertI64/Run_WasmF64SConvertI64.

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/wasm/wasm-macro-gen.h"
 
@@ skipping 242 matching lines @@
 // kExprI64ReinterpretF64:
 
 // kExprI64Clz:
 // kExprI64Ctz:
 // kExprI64Popcnt:
 
 // kExprF32SConvertI64:
 TEST(Run_WasmF32SConvertI64) {
   WasmRunner<float> r(MachineType::Int64());
   BUILD(r, WASM_F32_SCONVERT_I64(WASM_GET_LOCAL(0)));
-  FOR_INT64_INPUTS(i) { CHECK_EQ(static_cast<float>(*i), r.Call(*i)); }
+  FOR_INT64_INPUTS(i) {
+    volatile float expected = static_cast<float>(*i);

[titzer, 2016/03/16 09:44:51]

Can you try the CHECK_DOUBLE_EQ macro?

+    CHECK_EQ(expected, r.Call(*i));
+  }
 }
 // kExprF32UConvertI64:
 TEST(Run_WasmF32UConvertI64) {
   struct {
     uint64_t input;
     uint32_t expected;
   } values[] = {{0x0, 0x0},
                 {0x1, 0x3f800000},
                 {0xffffffff, 0x4f800000},
                 {0x1b09788b, 0x4dd84bc4},
@@ skipping 72 matching lines @@
   WasmRunner<float> r(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));
   }
 }
 // kExprF64SConvertI64:
 TEST(Run_WasmF64SConvertI64) {
   WasmRunner<double> r(MachineType::Int64());
   BUILD(r, WASM_F64_SCONVERT_I64(WASM_GET_LOCAL(0)));
-  FOR_INT64_INPUTS(i) { CHECK_EQ(static_cast<double>(*i), r.Call(*i)); }
+  FOR_INT64_INPUTS(i) {
+    volatile double expected = static_cast<double>(*i);
+    CHECK_EQ(expected, r.Call(*i));
+  }
 }
 // kExprF64UConvertI64:
 TEST(Run_Wasm_F64UConvertI64) {
   struct {
     uint64_t input;
     uint64_t expected;
   } values[] = {{0x0, 0x0},
                 {0x1, 0x3ff0000000000000},
                 {0xffffffff, 0x41efffffffe00000},
                 {0x1b09788b, 0x41bb09788b000000},
@@ skipping 109 matching lines @@
             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());
   }
 }