[turbofan] Add backend support for float32.

test/cctest/compiler/value-helper.h

 // 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.
 
 #ifndef V8_CCTEST_COMPILER_VALUE_HELPER_H_
 #define V8_CCTEST_COMPILER_VALUE_HELPER_H_
 
 #include "src/v8.h"
 
 #include "src/compiler/common-operator.h"
@@ skipping 42 matching lines @@
   }
 
   void CheckTrue(Node* node) {
     CheckHeapConstant(isolate_->heap()->true_value(), node);
   }
 
   void CheckFalse(Node* node) {
     CheckHeapConstant(isolate_->heap()->false_value(), node);
   }
 
+  static std::vector<float> float32_vector() {
+    static const float kValues[] = {
+        -std::numeric_limits<float>::infinity(), -2.70497e+38f, -1.4698e+37f,
+        -1.22813e+35f,                           -1.20555e+35f, -1.34584e+34f,
+        -1.0079e+32f,                            -6.49364e+26f, -3.06077e+25f,
+        -1.46821e+25f,                           -1.17658e+23f, -1.9617e+22f,
+        -2.7357e+20f,                            -1.48708e+13f, -1.89633e+12f,
+        -4.66622e+11f,                           -2.22581e+11f, -1.45381e+10f,
+        -1.3956e+09f,                            -1.32951e+09f, -1.30721e+09f,
+        -1.19756e+09f,                           -9.26822e+08f, -6.35647e+08f,
+        -4.00037e+08f,                           -1.81227e+08f, -5.09256e+07f,
+        -964300.0f,                              -192446.0f,    -28455.0f,
+        -27194.0f,                               -26401.0f,     -20575.0f,
+        -17069.0f,                               -9167.0f,      -960.178f,
+        -113.0f,                                 -62.0f,        -15.0f,
+        -7.0f,                                   -0.0256635f,   -4.60374e-07f,
+        -3.63759e-10f,                           -4.30175e-14f, -5.27385e-15f,
+        -1.48084e-15f,                           -1.05755e-19f, -3.2995e-21f,
+        -1.67354e-23f,                           -1.11885e-23f, -1.78506e-30f,
+        -5.07594e-31f,                           -3.65799e-31f, -1.43718e-34f,
+        -1.27126e-38f,                           -0.0f,         0.0f,
+        1.17549e-38f,                            1.56657e-37f,  4.08512e-29f,
+        3.31357e-28f,                            6.25073e-22f,  4.1723e-13f,
+        1.44343e-09f,                            5.27004e-08f,  9.48298e-08f,
+        5.57888e-07f,                            4.89988e-05f,  0.244326f,
+        12.4895f,                                19.0f,         47.0f,
+        106.0f,                                  538.324f,      564.536f,
+        819.124f,                                7048.0f,       12611.0f,
+        19878.0f,                                20309.0f,      797056.0f,
+        1.77219e+09f,                            1.51116e+11f,  4.18193e+13f,
+        3.59167e+16f,                            3.38211e+19f,  2.67488e+20f,
+        1.78831e+21f,                            9.20914e+21f,  8.35654e+23f,
+        1.4495e+24f,                             5.94015e+25f,  4.43608e+30f,
+        2.44502e+33f,                            2.61152e+33f,  1.38178e+37f,
+        1.71306e+37f,                            3.31899e+38f,  3.40282e+38f,
+        std::numeric_limits<float>::infinity()};
+    return std::vector<float>(&kValues[0], &kValues[arraysize(kValues)]);
+  }
+
   static std::vector<double> float64_vector() {
     static const double nan = v8::base::OS::nan_value();
     static const double values[] = {
         0.125,           0.25,            0.375,          0.5,
         1.25,            -1.75,           2,              5.125,
         6.25,            0.0,             -0.0,           982983.25,
         888,             2147483647.0,    -999.75,        3.1e7,
         -2e66,           3e-88,           -2147483648.0,  V8_INFINITY,
         -V8_INFINITY,    nan,             2147483647.375, 2147483647.75,
         2147483648.0,    2147483648.25,   2147483649.25,  -2147483647.0,
@@ skipping 37 matching lines @@
 
 // Helper macros that can be used in FOR_INT32_INPUTS(i) { ... *i ... }
 // Watch out, these macros aren't hygenic; they pollute your scope. Thanks STL.
 #define FOR_INPUTS(ctype, itype, var)                           \
   std::vector<ctype> var##_vec = ValueHelper::itype##_vector(); \
   for (std::vector<ctype>::iterator var = var##_vec.begin();    \
        var != var##_vec.end(); ++var)
 
 #define FOR_INT32_INPUTS(var) FOR_INPUTS(int32_t, int32, var)
 #define FOR_UINT32_INPUTS(var) FOR_INPUTS(uint32_t, uint32, var)
+#define FOR_FLOAT32_INPUTS(var) FOR_INPUTS(float, float32, var)
 #define FOR_FLOAT64_INPUTS(var) FOR_INPUTS(double, float64, var)
 
 #define FOR_INT32_SHIFTS(var) for (int32_t var = 0; var < 32; var++)
 
 #define FOR_UINT32_SHIFTS(var) for (uint32_t var = 0; var < 32; var++)
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CCTEST_COMPILER_VALUE_HELPER_H_