X87: Change the test case for X87 RunTruncateFloat32ToUint32.

test/cctest/compiler/test-run-machops.cc

 // Copyright 2014 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 <cmath>
 #include <functional>
 #include <limits>
 
 #include "src/base/bits.h"
 #include "src/base/utils/random-number-generator.h"
@@ skipping 3999 matching lines @@
         *i >= static_cast<float>(std::numeric_limits<int32_t>::min())) {
       CHECK_FLOAT_EQ(static_cast<int32_t>(*i), m.Call(*i));
     }
   }
 }
 
 
 TEST(RunTruncateFloat32ToUint32) {
   BufferedRawMachineAssemblerTester<uint32_t> m(MachineType::Float32());
   m.Return(m.TruncateFloat32ToUint32(m.Parameter(0)));
-  {
-    FOR_UINT32_INPUTS(i) {
-      float input = static_cast<float>(*i);
-      // This condition on 'input' is required because
-      // static_cast<float>(std::numeric_limits<uint32_t>::max()) results in a
-      // value outside uint32 range.
-      if (input < static_cast<float>(std::numeric_limits<uint32_t>::max())) {
-        CHECK_EQ(static_cast<uint32_t>(input), m.Call(input));
+  {FOR_UINT32_INPUTS(i){volatile float input = static_cast<float>(*i);

[titzer, 2016/04/21 07:09:00]

This somehow got formatted strangely. Maybe disable clang format for this ?

+  // This condition on 'input' is required because
+  // static_cast<float>(std::numeric_limits<uint32_t>::max()) results in a
+  // value outside uint32 range.
+  if (input < static_cast<float>(std::numeric_limits<uint32_t>::max())) {
+    CHECK_EQ(static_cast<uint32_t>(input), m.Call(input));
       }
     }
   }
   {
     FOR_FLOAT32_INPUTS(i) {
       if (*i <= static_cast<float>(std::numeric_limits<uint32_t>::max()) &&
           *i >= static_cast<float>(std::numeric_limits<uint32_t>::min())) {
         CHECK_FLOAT_EQ(static_cast<uint32_t>(*i), m.Call(*i));
       }
     }
@@ skipping 2204 matching lines @@
   r.Goto(&merge);
   r.Bind(&merge);
   Node* phi = r.Phi(MachineRepresentation::kWord32, fa, fb);
   r.Return(phi);
   CHECK_EQ(1, r.Call(1));
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8