MIPS: [runtime] Unify and simplify how frames are marked.

src/mips/codegen-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 "src/mips/codegen-mips.h"
 
 #if V8_TARGET_ARCH_MIPS
 
 #include "src/codegen.h"
 #include "src/macro-assembler.h"
@@ skipping 1179 matching lines @@
   DCHECK(young_sequence_.length() == kNoCodeAgeSequenceLength);
   // Since patcher is a large object, allocate it dynamically when needed,
   // to avoid overloading the stack in stress conditions.
   // DONT_FLUSH is used because the CodeAgingHelper is initialized early in
   // the process, before MIPS simulator ICache is setup.
   base::SmartPointer<CodePatcher> patcher(
       new CodePatcher(isolate, young_sequence_.start(),
                       young_sequence_.length() / Assembler::kInstrSize,
                       CodePatcher::DONT_FLUSH));
   PredictableCodeSizeScope scope(patcher->masm(), young_sequence_.length());
-  patcher->masm()->Push(ra, fp, cp, a1);
+  patcher->masm()->PushStandardFrame(a1);
   patcher->masm()->nop(Assembler::CODE_AGE_SEQUENCE_NOP);
-  patcher->masm()->Addu(
-      fp, sp, Operand(StandardFrameConstants::kFixedFrameSizeFromFp));
 }
 
 
 #ifdef DEBUG
 bool CodeAgingHelper::IsOld(byte* candidate) const {
   return Memory::uint32_at(candidate) == kCodeAgePatchFirstInstruction;
 }
 #endif
 
 
@@ skipping 45 matching lines @@
   }
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_MIPS