Adds unary double operations to ARM64, enables many tests.

runtime/vm/intermediate_language_arm.cc

 // Copyright (c) 2013, 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 "vm/globals.h"  // Needed here to get TARGET_ARCH_ARM.
 #if defined(TARGET_ARCH_ARM)
 
 #include "vm/intermediate_language.h"
 
 #include "vm/cpu.h"
@@ skipping 5001 matching lines @@
   LocationSummary* result = new LocationSummary(
       kNumInputs, kNumTemps, LocationSummary::kNoCall);
   result->set_in(0, Location::RequiresFpuRegister());
   result->set_out(0, Location::RequiresRegister());
   return result;
 }
 
 
 void DoubleToSmiInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   Label* deopt = compiler->AddDeoptStub(deopt_id(), ICData::kDeoptDoubleToSmi);
-  Register result = locs()->out(0).reg();
-  DRegister value = EvenDRegisterOf(locs()->in(0).fpu_reg());
+  const Register result = locs()->out(0).reg();
+  const DRegister value = EvenDRegisterOf(locs()->in(0).fpu_reg());
   // First check for NaN. Checking for minint after the conversion doesn't work
   // on ARM because vcvtid gives 0 for NaN.
   __ vcmpd(value, value);
   __ vmstat();
   __ b(deopt, VS);
 
   __ vcvtid(STMP, value);
   __ vmovrs(result, STMP);
   // Check for overflow and that it fits into Smi.
   __ CompareImmediate(result, 0xC0000000);
@@ skipping 85 matching lines @@
     // Pseudo code:
     // if (exponent == 0.0) return 1.0;
     // if (base == 1.0) return 1.0;
     // if (base.isNaN || exponent.isNaN) {
     //    return double.NAN;
     // }
     // if (base != -Infinity && exponent == 0.5) {
     //   if (base == 0.0) return 0.0;
     //   return sqrt(value);
     // }
-    DRegister base = EvenDRegisterOf(locs()->in(0).fpu_reg());
-    DRegister exp = EvenDRegisterOf(locs()->in(1).fpu_reg());
-    DRegister result = EvenDRegisterOf(locs()->out(0).fpu_reg());
-    Register temp = locs()->temp(0).reg();
-    DRegister saved_base = EvenDRegisterOf(locs()->temp(1).fpu_reg());
+    const DRegister base = EvenDRegisterOf(locs()->in(0).fpu_reg());
+    const DRegister exp = EvenDRegisterOf(locs()->in(1).fpu_reg());
+    const DRegister result = EvenDRegisterOf(locs()->out(0).fpu_reg());
+    const Register temp = locs()->temp(0).reg();
+    const DRegister saved_base = EvenDRegisterOf(locs()->temp(1).fpu_reg());
     ASSERT((base == result) && (result != saved_base));
 
     Label try_sqrt, check_base, return_nan;
     __ vmovd(saved_base, base);
     __ LoadDImmediate(DTMP, 0.0, temp);
     __ LoadDImmediate(result, 1.0, temp);
     // exponent == 0.0 -> return 1.0;
     __ vcmpd(exp, DTMP);
     __ vmstat();
     __ b(&check_base, VS);  // NaN -> check base.
@@ skipping 937 matching lines @@
   compiler->GenerateCall(token_pos(),
                          &label,
                          PcDescriptors::kOther,
                          locs());
   __ Drop(ArgumentCount());  // Discard arguments.
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM