Support for MIPS in architecture independent files....

src/mips/cfg-mips.cc

+//

[Søren Thygesen Gjesse, 2010/01/19 22:59:12]

You can safely remove this file as using a control flow graph was an experiment
which has been abandonned.

[Alexandre, 2010/01/22 23:08:42]

Removed
On 2010/01/19 22:59:12, Søren Gjesse wrote:

+//// FROM ARM code
+//
+//#include "v8.h"
+//
+//#include "cfg.h"
+//#include "codegen-inl.h"
+//#include "codegen-mips.h"  // Include after codegen-inl.h.
+//#include "macro-assembler-mips.h"
+//
+//namespace v8 {
+//namespace internal {
+//
+//#define __ ACCESS_MASM(masm)
+//
+//void InstructionBlock::Compile(MacroAssembler* masm) {
+//  UNIMPLEMENTED();
+////  ASSERT(!is_marked());
+////  is_marked_ = true;
+////  {
+////    Comment cmt(masm, "[ InstructionBlock");
+////    for (int i = 0, len = instructions_.length(); i < len; i++) {
+////      // If the location of the current instruction is a temp, then the
+////      // instruction cannot be in tail position in the block.  Allocate the
+////      // temp based on peeking ahead to the next instruction.
+////      Instruction* instr = instructions_[i];
+////      Location* loc = instr->location();
+////      if (loc->is_temporary()) {
+////        instructions_[i+1]->FastAllocate(TempLocation::cast(loc));
+////      }
+////      instructions_[i]->Compile(masm);
+////    }
+////  }
+////  successor_->Compile(masm);
+//}
+////
+////
+//void EntryNode::Compile(MacroAssembler* masm) {
+//  UNIMPLEMENTED();
+////  ASSERT(!is_marked());
+////  is_marked_ = true;
+////  {
+////    Comment cmnt(masm, "[ EntryNode");
+////    __ stm(db_w, sp, r1.bit() | cp.bit() | fp.bit() | lr.bit());
+////    __ add(fp, sp, Operand(2 * kPointerSize));
+////    int count = CfgGlobals::current()->fun()->scope()->num_stack_slots();
+////    if (count > 0) {
+////      __ LoadRoot(ip, Heap::kUndefinedValueRootIndex);
+////      for (int i = 0; i < count; i++) {
+////        __ push(ip);
+////      }
+////    }
+////    if (FLAG_trace) {
+////      __ CallRuntime(Runtime::kTraceEnter, 0);
+////    }
+////    if (FLAG_check_stack) {
+////      StackCheckStub stub;
+////      __ CallStub(&stub);
+////    }
+////  }
+////  successor_->Compile(masm);
+//}
+////
+////
+//void ExitNode::Compile(MacroAssembler* masm) {
+//  UNIMPLEMENTED();
+////  ASSERT(!is_marked());
+////  is_marked_ = true;
+////  Comment cmnt(masm, "[ ExitNode");
+////  if (FLAG_trace) {
+////    __ push(r0);
+////    __ CallRuntime(Runtime::kTraceExit, 1);
+////  }
+////  __ mov(sp, fp);
+////  __ ldm(ia_w, sp, fp.bit() | lr.bit());
+////  int count = CfgGlobals::current()->fun()->scope()->num_parameters();
+////  __ add(sp, sp, Operand((count + 1) * kPointerSize));
+////  __ Jump(lr);
+//}
+////
+////
+//void PropLoadInstr::Compile(MacroAssembler* masm) {
+//  UNIMPLEMENTED();
+////  // The key should not be on the stack---if it is a compiler-generated
+////  // temporary it is in the accumulator.
+////  ASSERT(!key()->is_on_stack());
+////
+////  Comment cmnt(masm, "[ Load from Property");
+////  // If the key is known at compile-time we may be able to use a load IC.
+////  bool is_keyed_load = true;
+////  if (key()->is_constant()) {
+////    // Still use the keyed load IC if the key can be parsed as an integer so
+////    // we will get into the case that handles [] on string objects.
+////    Handle<Object> key_val = Constant::cast(key())->handle();
+////    uint32_t ignored;
+////    if (key_val->IsSymbol() &&
+////        !String::cast(*key_val)->AsArrayIndex(&ignored)) {
+////      is_keyed_load = false;
+////    }
+////  }
+////
+////  if (!object()->is_on_stack()) object()->Push(masm);
+////
+////  if (is_keyed_load) {
+////    key()->Push(masm);
+////    Handle<Code> ic(Builtins::builtin(Builtins::KeyedLoadIC_Initialize));
+////    __ Call(ic, RelocInfo::CODE_TARGET);
+////    // Discard key and receiver.
+////    __ add(sp, sp, Operand(2 * kPointerSize));
+////  } else {
+////    key()->Get(masm, r2);
+////    Handle<Code> ic(Builtins::builtin(Builtins::LoadIC_Initialize));
+////    __ Call(ic, RelocInfo::CODE_TARGET);
+////    __ pop();  // Discard receiver.
+////  }
+////  location()->Set(masm, r0);
+//}
+////
+////
+//void BinaryOpInstr::Compile(MacroAssembler* masm) {
+//  UNIMPLEMENTED();
+////  // The right-hand value should not be on the stack---if it is a
+////  // compiler-generated temporary it is in the accumulator.
+////  ASSERT(!right()->is_on_stack());
+////
+////  Comment cmnt(masm, "[ BinaryOpInstr");
+////  // We can overwrite one of the operands if it is a temporary.
+////  OverwriteMode mode = NO_OVERWRITE;
+////  if (left()->is_temporary()) {
+////    mode = OVERWRITE_LEFT;
+////  } else if (right()->is_temporary()) {
+////    mode = OVERWRITE_RIGHT;
+////  }
+////
+////  // Move left to r1 and right to r0.
+////  left()->Get(masm, r1);
+////  right()->Get(masm, r0);
+////  GenericBinaryOpStub stub(op(), mode);
+////  __ CallStub(&stub);
+////  location()->Set(masm, r0);
+//}
+////
+////
+//void ReturnInstr::Compile(MacroAssembler* masm) {
+//  UNIMPLEMENTED();
+////  // The location should be 'Effect'.  As a side effect, move the value to
+////  // the accumulator.
+////  Comment cmnt(masm, "[ ReturnInstr");
+////  value()->Get(masm, r0);
+//}
+////
+////
+//void Constant::Get(MacroAssembler* masm, Register reg) {
+//  UNIMPLEMENTED();
+////  __ mov(reg, Operand(handle_));
+//}
+////
+////
+//void Constant::Push(MacroAssembler* masm) {
+//  UNIMPLEMENTED();
+////  __ mov(ip, Operand(handle_));
+////  __ push(ip);
+//}
+//
+//
+////static MemOperand ToMemOperand(SlotLocation* loc) {
+////  UNIMPLEMENTED();
+////  switch (loc->type()) {
+////    case Slot::PARAMETER: {
+////      int count = CfgGlobals::current()->fun()->scope()->num_parameters();
+////      return MemOperand(fp, (1 + count - loc->index()) * kPointerSize);
+////    }
+////    case Slot::LOCAL: {
+////      const int kOffset = JavaScriptFrameConstants::kLocal0Offset;
+////      return MemOperand(fp, kOffset - loc->index() * kPointerSize);
+////    }
+////    default:
+////      UNREACHABLE();
+////      return MemOperand(r0);
+////  }
+////}
+//
+//
+//void Constant::MoveToSlot(MacroAssembler* masm, SlotLocation* loc) {
+//  UNIMPLEMENTED();
+////  __ mov(ip, Operand(handle_));
+////  __ str(ip, ToMemOperand(loc));
+//}
+////
+////
+//void SlotLocation::Get(MacroAssembler* masm, Register reg) {
+//  UNIMPLEMENTED();
+////  __ ldr(reg, ToMemOperand(this));
+//}
+////
+////
+//void SlotLocation::Set(MacroAssembler* masm, Register reg) {
+//  UNIMPLEMENTED();
+////  __ str(reg, ToMemOperand(this));
+//}
+////
+////
+//void SlotLocation::Push(MacroAssembler* masm) {
+//  UNIMPLEMENTED();
+////  __ ldr(ip, ToMemOperand(this));
+////  __ push(ip);  // Push will not destroy ip.
+//}
+////
+////
+//void SlotLocation::Move(MacroAssembler* masm, Value* value) {
+//  UNIMPLEMENTED();
+////  // Double dispatch.
+////  value->MoveToSlot(masm, this);
+//}
+////
+////
+//void SlotLocation::MoveToSlot(MacroAssembler* masm, SlotLocation* loc) {
+//  UNIMPLEMENTED();
+////  __ ldr(ip, ToMemOperand(this));
+////  __ str(ip, ToMemOperand(loc));
+//}
+////
+////
+//void TempLocation::Get(MacroAssembler* masm, Register reg) {
+//  UNIMPLEMENTED();
+////  switch (where_) {
+////    case ACCUMULATOR:
+////      if (!reg.is(r0)) __ mov(reg, r0);
+////      break;
+////    case STACK:
+////      __ pop(reg);
+////      break;
+////    case NOT_ALLOCATED:
+////      UNREACHABLE();
+////  }
+//}
+////
+////
+//void TempLocation::Set(MacroAssembler* masm, Register reg) {
+//  UNIMPLEMENTED();
+////  switch (where_) {
+////    case ACCUMULATOR:
+////      if (!reg.is(r0)) __ mov(r0, reg);
+////      break;
+////    case STACK:
+////      __ push(reg);
+////      break;
+////    case NOT_ALLOCATED:
+////      UNREACHABLE();
+////  }
+//}
+////
+////
+//void TempLocation::Push(MacroAssembler* masm) {
+//  UNIMPLEMENTED();
+////  switch (where_) {
+////    case ACCUMULATOR:
+////      __ push(r0);
+////      break;
+////    case STACK:
+////    case NOT_ALLOCATED:
+////      UNREACHABLE();
+////  }
+//}
+////
+////
+//void TempLocation::Move(MacroAssembler* masm, Value* value) {
+//  UNIMPLEMENTED();
+////  switch (where_) {
+////    case ACCUMULATOR:
+////      value->Get(masm, r0);
+////    case STACK:
+////      value->Push(masm);
+////      break;
+////    case NOT_ALLOCATED:
+////      UNREACHABLE();
+////  }
+//}
+////
+////
+//void TempLocation::MoveToSlot(MacroAssembler* masm, SlotLocation* loc) {
+//  UNIMPLEMENTED();
+////  switch (where_) {
+////    case ACCUMULATOR:
+////      __ str(r0, ToMemOperand(loc));
+////    case STACK:
+////      __ pop(ip);
+////      __ str(ip, ToMemOperand(loc));
+////      break;
+////    case NOT_ALLOCATED:
+////      UNREACHABLE();
+////  }
+//}
+////
+//#undef __
+//
+//} }  // namespace v8::internal