A64: Synchronize with r18581.

src/a64/codegen-a64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 32 matching lines @@
 double fast_exp_simulator(double x) {
   Simulator * simulator = Simulator::current(Isolate::Current());
   return simulator->CallDouble(fast_exp_a64_machine_code,
                                Simulator::CallArgument(x),
                                Simulator::CallArgument::End());
 }
 #endif
 
 
 UnaryMathFunction CreateExpFunction() {
-  if (!FLAG_fast_math) return &exp;
+  if (!FLAG_fast_math) return &std::exp;
 
   // Use the Math.exp implemetation in MathExpGenerator::EmitMathExp() to create
   // an AAPCS64-compliant exp() function. This will be faster than the C
   // library's exp() function, but probably less accurate.
   size_t actual_size;
   byte* buffer = static_cast<byte*>(OS::Allocate(1 * KB, &actual_size, true));
-  if (buffer == NULL) return &exp;
+  if (buffer == NULL) return &std::exp;
 
   ExternalReference::InitializeMathExpData();
   MacroAssembler masm(NULL, buffer, static_cast<int>(actual_size));
   masm.SetStackPointer(csp);
 
   // The argument will be in d0 on entry.
   DoubleRegister input = d0;
   // Use other caller-saved registers for all other values.
   DoubleRegister result = d1;
   DoubleRegister double_temp1 = d2;
@@ skipping 19 matching lines @@
 #if !defined(USE_SIMULATOR)
   return FUNCTION_CAST<UnaryMathFunction>(buffer);
 #else
   fast_exp_a64_machine_code = buffer;
   return &fast_exp_simulator;
 #endif
 }
 
 
 UnaryMathFunction CreateSqrtFunction() {
-  return &sqrt;
+  return &std::sqrt;
 }
 
 
 // -------------------------------------------------------------------------
 // Platform-specific RuntimeCallHelper functions.
 
 void StubRuntimeCallHelper::BeforeCall(MacroAssembler* masm) const {
   masm->EnterFrame(StackFrame::INTERNAL);
   ASSERT(!masm->has_frame());
   masm->set_has_frame(true);
@@ skipping 494 matching lines @@
   __ Fmul(result, double_temp3, double_temp1);
 
   __ Bind(&done);
 }
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_A64