[builtins] Introduce proper base::ieee754::log.

src/compiler/arm/code-generator-arm.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/code-generator.h"
 
 #include "src/arm/macro-assembler-arm.h"
 #include "src/ast/scopes.h"
 #include "src/compiler/code-generator-impl.h"
 #include "src/compiler/gap-resolver.h"
@@ skipping 656 matching lines @@
           frame_access_state()->GetFrameOffset(i.InputInt32(0));
       Register base;
       if (offset.from_stack_pointer()) {
         base = sp;
       } else {
         base = fp;
       }
       __ add(i.OutputRegister(0), base, Operand(offset.offset()));
       break;
     }
+    case kIeee754Float64Log: {
+      // TODO(bmeurer): We should really get rid of this special instruction,
+      // and generate a CallAddress instruction instead.
+      FrameScope scope(masm(), StackFrame::MANUAL);
+      __ PrepareCallCFunction(0, 1, kScratchReg);
+      __ MovToFloatParameter(i.InputFloat64Register(0));
+      __ CallCFunction(ExternalReference::ieee754_log_function(isolate()), 0,
+                       1);
+      // Move the result in the double result register.
+      __ MovFromFloatResult(i.OutputFloat64Register());
+      DCHECK_EQ(LeaveCC, i.OutputSBit());
+      break;
+    }
     case kArmAdd:
       __ add(i.OutputRegister(), i.InputRegister(0), i.InputOperand2(1),
              i.OutputSBit());
       break;
     case kArmAnd:
       __ and_(i.OutputRegister(), i.InputRegister(0), i.InputOperand2(1),
               i.OutputSBit());
       break;
     case kArmBic:
       __ bic(i.OutputRegister(), i.InputRegister(0), i.InputOperand2(1),
@@ skipping 304 matching lines @@
       __ PrepareCallCFunction(0, 2, kScratchReg);
       __ MovToFloatParameters(i.InputFloat64Register(0),
                               i.InputFloat64Register(1));
       __ CallCFunction(ExternalReference::mod_two_doubles_operation(isolate()),
                        0, 2);
       // Move the result in the double result register.
       __ MovFromFloatResult(i.OutputFloat64Register());
       DCHECK_EQ(LeaveCC, i.OutputSBit());
       break;
     }
-    case kArmVlogF64: {
-      // TODO(bmeurer): We should really get rid of this special instruction,
-      // and generate a CallAddress instruction instead.
-      FrameScope scope(masm(), StackFrame::MANUAL);
-      __ PrepareCallCFunction(0, 1, kScratchReg);
-      __ MovToFloatParameter(i.InputFloat64Register(0));
-      __ CallCFunction(ExternalReference::math_log_double_function(isolate()),
-                       0, 1);
-      // Move the result in the double result register.
-      __ MovFromFloatResult(i.OutputFloat64Register());
-      DCHECK_EQ(LeaveCC, i.OutputSBit());
-      break;
-    }
     case kArmVsqrtF64:
       __ vsqrt(i.OutputFloat64Register(), i.InputFloat64Register(0));
       break;
     case kArmVabsF64:
       __ vabs(i.OutputFloat64Register(), i.InputFloat64Register(0));
       break;
     case kArmVnegF64:
       __ vneg(i.OutputFloat64Register(), i.InputFloat64Register(0));
       break;
     case kArmVrintmF32:
@@ skipping 746 matching lines @@
       padding_size -= v8::internal::Assembler::kInstrSize;
     }
   }
 }
 
 #undef __
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8