Add cross test for vector itofp and fptoi casts.

crosstest/test_fcmp_main.cpp

 //===- subzero/crosstest/test_fcmp_main.cpp - Driver for tests ------------===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // Driver for cross testing the fcmp bitcode instruction
 //
 //===----------------------------------------------------------------------===//
 
 /* crosstest.py --test=test_fcmp.pnacl.ll --driver=test_fcmp_main.cpp \
    --prefix=Subzero_ --output=test_fcmp */
 
 #include <cassert>
 #include <cfloat>
 #include <cmath>
 #include <cstring>
 #include <iostream>
 
 #include "vectors.h"
+#include "test_arith.def"
 #include "test_fcmp.def"
 
 #define X(cmp)                                                                 \
   extern "C" bool fcmp##cmp##Float(float a, float b);                          \
   extern "C" bool fcmp##cmp##Double(double a, double b);                       \
   extern "C" v4si32 fcmp##cmp##Vector(v4f32 a, v4f32 b);                       \
   extern "C" bool Subzero_fcmp##cmp##Float(float a, float b);                  \
   extern "C" bool Subzero_fcmp##cmp##Double(double a, double b);               \
   extern "C" v4si32 Subzero_fcmp##cmp##Vector(v4f32 a, v4f32 b);
 FCMP_TABLE;
 #undef X
 
 volatile double *Values;
 size_t NumValues;
 
 void initializeValues() {
   static const double NegInf = -1.0 / 0.0;
   static const double Zero = 0.0;
-  static const double Ten = 10.0;
   static const double PosInf = 1.0 / 0.0;
   static const double Nan = 0.0 / 0.0;
   static const double NegNan = -0.0 / 0.0;
   assert(std::fpclassify(NegInf) == FP_INFINITE);
   assert(std::fpclassify(PosInf) == FP_INFINITE);
   assert(std::fpclassify(Nan) == FP_NAN);
   assert(std::fpclassify(NegNan) == FP_NAN);
   assert(NegInf < Zero);
   assert(NegInf < PosInf);
   assert(Zero < PosInf);
-  static volatile double InitValues[] = {NegInf,  -Zero, Zero,    DBL_MIN,
-                                         FLT_MIN, Ten,   FLT_MAX, DBL_MAX,
-                                         PosInf,  Nan,   NegNan};
+  static volatile double InitValues[] =
+    FP_VALUE_ARRAY(NegInf, PosInf, NegNan, Nan);
   NumValues = sizeof(InitValues) / sizeof(*InitValues);
   Values = InitValues;
 }
 
 void testsScalar(size_t &TotalTests, size_t &Passes, size_t &Failures) {
   typedef bool (*FuncTypeFloat)(float, float);
   typedef bool (*FuncTypeDouble)(double, double);
   static struct {
     const char *Name;
     FuncTypeFloat FuncFloatSz;
@@ skipping 101 matching lines @@
 
   initializeValues();
 
   testsScalar(TotalTests, Passes, Failures);
   testsVector(TotalTests, Passes, Failures);
 
   std::cout << "TotalTests=" << TotalTests << " Passes=" << Passes
             << " Failures=" << Failures << "\n";
   return Failures;
 }