More simplification and unification of frame handling

src/crankshaft/mips/lithium-codegen-mips.cc

 // Copyright 2012 the V8 project authors. All rights reserved.7
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 65 matching lines @@
   // the frame (that is done in GeneratePrologue).
   FrameScope frame_scope(masm_, StackFrame::NONE);
 
   return GeneratePrologue() && GenerateBody() && GenerateDeferredCode() &&
          GenerateJumpTable() && GenerateSafepointTable();
 }
 
 
 void LCodeGen::FinishCode(Handle<Code> code) {
   DCHECK(is_done());
-  code->set_stack_slots(GetStackSlotCount());
+  code->set_stack_slots(GetTotalFrameSlotCount());
   code->set_safepoint_table_offset(safepoints_.GetCodeOffset());
   PopulateDeoptimizationData(code);
 }
 
 
 void LCodeGen::SaveCallerDoubles() {
   DCHECK(info()->saves_caller_doubles());
   DCHECK(NeedsEagerFrame());
   Comment(";;; Save clobbered callee double registers");
   int count = 0;
@@ skipping 268 matching lines @@
 
   // The deoptimization jump table is the last part of the instruction
   // sequence. Mark the generated code as done unless we bailed out.
   if (!is_aborted()) status_ = DONE;
   return !is_aborted();
 }
 
 
 bool LCodeGen::GenerateSafepointTable() {
   DCHECK(is_done());
-  safepoints_.Emit(masm(), GetStackSlotCount());
+  safepoints_.Emit(masm(), GetTotalFrameSlotCount());
   return !is_aborted();
 }
 
 
 Register LCodeGen::ToRegister(int index) const {
   return Register::from_code(index);
 }
 
 
 DoubleRegister LCodeGen::ToDoubleRegister(int index) const {
@@ skipping 152 matching lines @@
   DCHECK(index < 0);
   return -(index + 1) * kPointerSize;
 }
 
 
 MemOperand LCodeGen::ToMemOperand(LOperand* op) const {
   DCHECK(!op->IsRegister());
   DCHECK(!op->IsDoubleRegister());
   DCHECK(op->IsStackSlot() || op->IsDoubleStackSlot());
   if (NeedsEagerFrame()) {
-    return MemOperand(fp, StackSlotOffset(op->index()));
+    return MemOperand(fp, FrameSlotToFPOffset(op->index()));
   } else {
     // Retrieve parameter without eager stack-frame relative to the
     // stack-pointer.
     return MemOperand(sp, ArgumentsOffsetWithoutFrame(op->index()));
   }
 }
 
 
 MemOperand LCodeGen::ToHighMemOperand(LOperand* op) const {
   DCHECK(op->IsDoubleStackSlot());
   if (NeedsEagerFrame()) {
-    return MemOperand(fp, StackSlotOffset(op->index()) + kPointerSize);
+    return MemOperand(fp, FrameSlotToFPOffset(op->index()) + kPointerSize);
   } else {
     // Retrieve parameter without eager stack-frame relative to the
     // stack-pointer.
     return MemOperand(
         sp, ArgumentsOffsetWithoutFrame(op->index()) + kPointerSize);
   }
 }
 
 
 void LCodeGen::WriteTranslation(LEnvironment* environment,
@@ skipping 48 matching lines @@
                        environment->HasTaggedValueAt(env_offset + i),
                        environment->HasUint32ValueAt(env_offset + i),
                        object_index_pointer,
                        dematerialized_index_pointer);
     }
     return;
   }
 
   if (op->IsStackSlot()) {
     int index = op->index();
-    if (index >= 0) {
-      index += StandardFrameConstants::kFixedFrameSize / kPointerSize;
-    }
     if (is_tagged) {
       translation->StoreStackSlot(index);
     } else if (is_uint32) {
       translation->StoreUint32StackSlot(index);
     } else {
       translation->StoreInt32StackSlot(index);
     }
   } else if (op->IsDoubleStackSlot()) {
     int index = op->index();
-    if (index >= 0) {
-      index += StandardFrameConstants::kFixedFrameSize / kPointerSize;
-    }
     translation->StoreDoubleStackSlot(index);
   } else if (op->IsRegister()) {
     Register reg = ToRegister(op);
     if (is_tagged) {
       translation->StoreRegister(reg);
     } else if (is_uint32) {
       translation->StoreUint32Register(reg);
     } else {
       translation->StoreInt32Register(reg);
     }
@@ skipping 4919 matching lines @@
   __ Push(at, ToRegister(instr->function()));
   CallRuntime(Runtime::kPushBlockContext, instr);
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8