Fix leaf floating point runtime calls on ARM (work still needed in simulator).

runtime/vm/bigint_operations_test.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "platform/assert.h"
 #include "vm/bigint_operations.h"
 #include "vm/object.h"
 #include "vm/object_store.h"
 #include "vm/unit_test.h"
 
@@ skipping 1322 matching lines @@
   TestBigintBitNot("0x50000000", "-0x50000001");
   TestBigintBitNot("0xFFFFFFF", "-0x10000000");
   TestBigintBitNot("0xFFFFFFFF", "-0x100000000");
   TestBigintBitNot("0xFFFFFFFFFFFFFF", "-0x100000000000000");
   TestBigintBitNot("0xFFFFFFFFFFFFFFFF", "-0x10000000000000000");
   TestBigintBitNot("0x1234567890ABCDEF012345678",
                    "-0x1234567890ABCDEF012345679");
 }
 
 
-#if defined(TARGET_ARCH_IA32) || defined(TARGET_ARCH_X64)
+#if defined(TARGET_ARCH_IA32) ||                                               \
+    defined(TARGET_ARCH_X64) ||                                                \
+    defined(TARGET_ARCH_ARM)
 static void TestBigintMultiplyDivide(const char* a,
                                      const char* b,
                                      const char* product) {
   const Bigint& bigint_a = Bigint::Handle(BigintOperations::NewFromCString(a));
   const Bigint& bigint_b = Bigint::Handle(BigintOperations::NewFromCString(b));
   const Bigint& computed_product =
       Bigint::Handle(BigintOperations::Multiply(bigint_a, bigint_b));
   const char* str_product = BigintOperations::ToHexCString(computed_product,
                                                            &ZoneAllocator);
   EXPECT_STREQ(product, str_product);
@@ skipping 871 matching lines @@
       "123456789012345678901234567890123456789012345678901234567890123456789012"
       "345678901234567890123456789012345678901234567890123456789012345678901234"
       "567890123456789012345678901234567890123456789012345678901234567890123456"
       "789012345678901234567890123456789012345678901234567890123456789012345678"
       "90123456789012345678901234567890",
       "0x1234567890ABCDEF01234567890ABCDEF01234567890ABCDEF01234567890ABCDEF"
       "01234567890ABCDEE");
 }
 
 }  // namespace dart