Subzero. ARM32. Strength reduce multiplications.

crosstest/test_arith_main.cpp

 //===- subzero/crosstest/test_arith_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 crosstesting arithmetic operations
@@ skipping 55 matching lines @@
 #define X(inst, op, isdiv, isshift)                                            \
   { STR(inst), test##inst, Subzero_::test##inst, NULL, NULL, isdiv }           \
   ,
       UINTOP_TABLE
 #undef X
 #define X(inst, op, isdiv, isshift)                                            \
   { STR(inst), NULL, NULL, test##inst, Subzero_::test##inst, isdiv }           \
   ,
           SINTOP_TABLE
 #undef X
-  };
+#define X(mult_by)                                                             \
+  {                                                                            \
+    "Mult-By-" STR(mult_by), testMultiplyBy##mult_by,                          \
+        Subzero_::testMultiplyBy##mult_by, NULL, NULL, false                   \
+  }                                                                            \
+  , {"Mult-By-Neg-" STR(mult_by), testMultiplyByNeg##mult_by,                  \
+     Subzero_::testMultiplyByNeg##mult_by, NULL, NULL, false},
+              MULIMM_TABLE};
+#undef X
   const static size_t NumFuncs = sizeof(Funcs) / sizeof(*Funcs);
 
   if (sizeof(TypeUnsigned) <= sizeof(uint32_t)) {
     // This is the "normal" version of the loop nest, for 32-bit or
     // narrower types.
     for (size_t f = 0; f < NumFuncs; ++f) {
       for (size_t i = 0; i < NumValues; ++i) {
         for (size_t j = 0; j < NumValues; ++j) {
           TypeUnsigned Value1 = Values[i];
           TypeUnsigned Value2 = Values[j];
@@ skipping 302 matching lines @@
   testsVecInt<v8ui16, v8si16>(TotalTests, Passes, Failures);
   testsVecInt<v16ui8, v16si8>(TotalTests, Passes, Failures);
   testsFp<float>(TotalTests, Passes, Failures);
   testsFp<double>(TotalTests, Passes, Failures);
   testsVecFp(TotalTests, Passes, Failures);
 
   std::cout << "TotalTests=" << TotalTests << " Passes=" << Passes
             << " Failures=" << Failures << "\n";
   return Failures;
 }