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

src/compiler/mips64/code-generator-mips64.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/ast/scopes.h"
 #include "src/compiler/code-generator.h"
 #include "src/compiler/code-generator-impl.h"
 #include "src/compiler/gap-resolver.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/osr.h"
@@ skipping 709 matching lines @@
       __ bind(ool->exit());
       break;
     }
     case kArchStackSlot: {
       FrameOffset offset =
           frame_access_state()->GetFrameOffset(i.InputInt32(0));
       __ Daddu(i.OutputRegister(), offset.from_stack_pointer() ? sp : fp,
                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.InputDoubleRegister(0));
+      __ CallCFunction(ExternalReference::ieee754_log_function(isolate()), 0,
+                       1);
+      // Move the result in the double result register.
+      __ MovFromFloatResult(i.OutputDoubleRegister());
+      break;
+    }
     case kMips64Add:
       __ Addu(i.OutputRegister(), i.InputRegister(0), i.InputOperand(1));
       break;
     case kMips64Dadd:
       __ Daddu(i.OutputRegister(), i.InputRegister(0), i.InputOperand(1));
       break;
     case kMips64DaddOvf:
       // Pseudo-instruction used for overflow/branch. No opcode emitted here.
       break;
     case kMips64Sub:
@@ skipping 438 matching lines @@
                               i.InputDoubleRegister(1));
       __ CallCFunction(ExternalReference::mod_two_doubles_operation(isolate()),
                        0, 2);
       // Move the result in the double result register.
       __ MovFromFloatResult(i.OutputDoubleRegister());
       break;
     }
     case kMips64AbsD:
       __ abs_d(i.OutputDoubleRegister(), i.InputDoubleRegister(0));
       break;
-    case kMips64LogD: {
-      // 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.InputDoubleRegister(0));
-      __ CallCFunction(ExternalReference::math_log_double_function(isolate()),
-                       0, 1);
-      // Move the result in the double result register.
-      __ MovFromFloatResult(i.OutputDoubleRegister());
-      break;
-    }
     case kMips64SqrtD: {
       __ sqrt_d(i.OutputDoubleRegister(), i.InputDoubleRegister(0));
       break;
     }
     case kMips64MaxD:
       __ max_d(i.OutputDoubleRegister(), i.InputDoubleRegister(0),
                i.InputDoubleRegister(1));
       break;
     case kMips64MinD:
       __ min_d(i.OutputDoubleRegister(), i.InputDoubleRegister(0),
@@ skipping 1057 matching lines @@
       padding_size -= v8::internal::Assembler::kInstrSize;
     }
   }
 }
 
 #undef __
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8