MIPS: Fixing illegal use of at register

src/mips/macro-assembler-mips.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_MIPS
 
 #include "src/base/bits.h"
 #include "src/base/division-by-constant.h"
@@ skipping 4924 matching lines @@
 
 void MacroAssembler::LeaveExitFrame(bool save_doubles, Register argument_count,
                                     bool restore_context, bool do_return,
                                     bool argument_count_is_length) {
   // Optionally restore all double registers.
   if (save_doubles) {
     // Remember: we only need to restore every 2nd double FPU value.
     lw(t8, MemOperand(fp, ExitFrameConstants::kSPOffset));
     for (int i = 0; i < FPURegister::kMaxNumRegisters; i+=2) {
       FPURegister reg = FPURegister::from_code(i);
-      ldc1(reg, MemOperand(t8, i  * kDoubleSize + kPointerSize));
+      ldc1(reg, MemOperand(t8, i * kDoubleSize + kPointerSize));
     }
   }
 
   // Clear top frame.
   li(t8, Operand(ExternalReference(Isolate::kCEntryFPAddress, isolate())));
   sw(zero_reg, MemOperand(t8));
 
   // Restore current context from top and clear it in debug mode.
   if (restore_context) {
     li(t8, Operand(ExternalReference(Isolate::kContextAddress, isolate())));
@@ skipping 1048 matching lines @@
   if (mag.shift > 0) sra(result, result, mag.shift);
   srl(at, dividend, 31);
   Addu(result, result, Operand(at));
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_MIPS