[runtime] Unify and simplify how frames are marked

src/mips64/codegen-mips64.cc

Index: src/mips64/codegen-mips64.cc
diff --git a/src/mips64/codegen-mips64.cc b/src/mips64/codegen-mips64.cc
index c8cde97883779e00fb9871b21e094e7d0566d701..44d822b615571fd12537be76ca96896230508f8c 100644
--- a/src/mips64/codegen-mips64.cc
+++ b/src/mips64/codegen-mips64.cc
@@ -1194,12 +1194,10 @@ CodeAgingHelper::CodeAgingHelper(Isolate* isolate) {
                       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()->nop(Assembler::CODE_AGE_SEQUENCE_NOP);
   patcher->masm()->nop(Assembler::CODE_AGE_SEQUENCE_NOP);
-  patcher->masm()->Daddu(
-      fp, sp, Operand(StandardFrameConstants::kFixedFrameSizeFromFp));
 }