[builtins] Make Math.max and Math.min fast by default.

src/arm/macro-assembler-arm.cc

 // Copyright 2012 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 <limits.h>  // For LONG_MIN, LONG_MAX.
 
 #if V8_TARGET_ARCH_ARM
 
 #include "src/base/bits.h"
 #include "src/base/division-by-constant.h"
@@ skipping 167 matching lines @@
   bx(lr, cond);
 }
 
 
 void MacroAssembler::Drop(int count, Condition cond) {
   if (count > 0) {
     add(sp, sp, Operand(count * kPointerSize), LeaveCC, cond);
   }
 }
 
+void MacroAssembler::Drop(Register count, Condition cond) {
+  add(sp, sp, Operand(count, LSL, kPointerSizeLog2), LeaveCC, cond);
+}
 
 void MacroAssembler::Ret(int drop, Condition cond) {
   Drop(drop, cond);
   Ret(cond);
 }
 
 
 void MacroAssembler::Swap(Register reg1,
                           Register reg2,
                           Register scratch,
@@ skipping 3409 matching lines @@
     }
   }
   if (mag.shift > 0) mov(result, Operand(result, ASR, mag.shift));
   add(result, result, Operand(dividend, LSR, 31));
 }
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM