[ignition] Use absolute values for jump offsets

src/interpreter/interpreter.cc

 // Copyright 2015 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/interpreter/interpreter.h"
 
 #include <fstream>
 #include <memory>
 
 #include "src/ast/prettyprinter.h"
@@ skipping 2373 matching lines @@
   }
 
   __ Bind(&end);
   __ Dispatch();
 }
 
 // Jump <imm>
 //
 // Jump by number of bytes represented by the immediate operand |imm|.
 void Interpreter::DoJump(InterpreterAssembler* assembler) {
-  Node* relative_jump = __ BytecodeOperandImmIntPtr(0);
+  Node* relative_jump = __ BytecodeOperandUImmWord(0);
   __ Jump(relative_jump);
 }
 
 // JumpConstant <idx>
 //
 // Jump by number of bytes in the Smi in the |idx| entry in the constant pool.
 void Interpreter::DoJumpConstant(InterpreterAssembler* assembler) {
   Node* index = __ BytecodeOperandIdx(0);
   Node* relative_jump = __ LoadAndUntagConstantPoolEntry(index);
   __ Jump(relative_jump);
 }
 
 // JumpIfTrue <imm>
 //
 // Jump by number of bytes represented by an immediate operand if the
 // accumulator contains true.
 void Interpreter::DoJumpIfTrue(InterpreterAssembler* assembler) {
   Node* accumulator = __ GetAccumulator();
-  Node* relative_jump = __ BytecodeOperandImmIntPtr(0);
+  Node* relative_jump = __ BytecodeOperandUImmWord(0);
   Node* true_value = __ BooleanConstant(true);
   __ JumpIfWordEqual(accumulator, true_value, relative_jump);
 }
 
 // JumpIfTrueConstant <idx>
 //
 // Jump by number of bytes in the Smi in the |idx| entry in the constant pool
 // if the accumulator contains true.
 void Interpreter::DoJumpIfTrueConstant(InterpreterAssembler* assembler) {
   Node* accumulator = __ GetAccumulator();
   Node* index = __ BytecodeOperandIdx(0);
   Node* relative_jump = __ LoadAndUntagConstantPoolEntry(index);
   Node* true_value = __ BooleanConstant(true);
   __ JumpIfWordEqual(accumulator, true_value, relative_jump);
 }
 
 // JumpIfFalse <imm>
 //
 // Jump by number of bytes represented by an immediate operand if the
 // accumulator contains false.
 void Interpreter::DoJumpIfFalse(InterpreterAssembler* assembler) {
   Node* accumulator = __ GetAccumulator();
-  Node* relative_jump = __ BytecodeOperandImmIntPtr(0);
+  Node* relative_jump = __ BytecodeOperandUImmWord(0);
   Node* false_value = __ BooleanConstant(false);
   __ JumpIfWordEqual(accumulator, false_value, relative_jump);
 }
 
 // JumpIfFalseConstant <idx>
 //
 // Jump by number of bytes in the Smi in the |idx| entry in the constant pool
 // if the accumulator contains false.
 void Interpreter::DoJumpIfFalseConstant(InterpreterAssembler* assembler) {
   Node* accumulator = __ GetAccumulator();
   Node* index = __ BytecodeOperandIdx(0);
   Node* relative_jump = __ LoadAndUntagConstantPoolEntry(index);
   Node* false_value = __ BooleanConstant(false);
   __ JumpIfWordEqual(accumulator, false_value, relative_jump);
 }
 
 // JumpIfToBooleanTrue <imm>
 //
 // Jump by number of bytes represented by an immediate operand if the object
 // referenced by the accumulator is true when the object is cast to boolean.
 void Interpreter::DoJumpIfToBooleanTrue(InterpreterAssembler* assembler) {
   Node* value = __ GetAccumulator();
-  Node* relative_jump = __ BytecodeOperandImmIntPtr(0);
+  Node* relative_jump = __ BytecodeOperandUImmWord(0);
   Label if_true(assembler), if_false(assembler);
   __ BranchIfToBooleanIsTrue(value, &if_true, &if_false);
   __ Bind(&if_true);
   __ Jump(relative_jump);
   __ Bind(&if_false);
   __ Dispatch();
 }
 
 // JumpIfToBooleanTrueConstant <idx>
 //
@@ skipping 12 matching lines @@
   __ Bind(&if_false);
   __ Dispatch();
 }
 
 // JumpIfToBooleanFalse <imm>
 //
 // Jump by number of bytes represented by an immediate operand if the object
 // referenced by the accumulator is false when the object is cast to boolean.
 void Interpreter::DoJumpIfToBooleanFalse(InterpreterAssembler* assembler) {
   Node* value = __ GetAccumulator();
-  Node* relative_jump = __ BytecodeOperandImmIntPtr(0);
+  Node* relative_jump = __ BytecodeOperandUImmWord(0);
   Label if_true(assembler), if_false(assembler);
   __ BranchIfToBooleanIsTrue(value, &if_true, &if_false);
   __ Bind(&if_true);
   __ Dispatch();
   __ Bind(&if_false);
   __ Jump(relative_jump);
 }
 
 // JumpIfToBooleanFalseConstant <idx>
 //
@@ skipping 13 matching lines @@
   __ Jump(relative_jump);
 }
 
 // JumpIfNull <imm>
 //
 // Jump by number of bytes represented by an immediate operand if the object
 // referenced by the accumulator is the null constant.
 void Interpreter::DoJumpIfNull(InterpreterAssembler* assembler) {
   Node* accumulator = __ GetAccumulator();
   Node* null_value = __ HeapConstant(isolate_->factory()->null_value());
-  Node* relative_jump = __ BytecodeOperandImmIntPtr(0);
+  Node* relative_jump = __ BytecodeOperandUImmWord(0);
   __ JumpIfWordEqual(accumulator, null_value, relative_jump);
 }
 
 // JumpIfNullConstant <idx>
 //
 // Jump by number of bytes in the Smi in the |idx| entry in the constant pool
 // if the object referenced by the accumulator is the null constant.
 void Interpreter::DoJumpIfNullConstant(InterpreterAssembler* assembler) {
   Node* accumulator = __ GetAccumulator();
   Node* null_value = __ HeapConstant(isolate_->factory()->null_value());
   Node* index = __ BytecodeOperandIdx(0);
   Node* relative_jump = __ LoadAndUntagConstantPoolEntry(index);
   __ JumpIfWordEqual(accumulator, null_value, relative_jump);
 }
 
 // JumpIfUndefined <imm>
 //
 // Jump by number of bytes represented by an immediate operand if the object
 // referenced by the accumulator is the undefined constant.
 void Interpreter::DoJumpIfUndefined(InterpreterAssembler* assembler) {
   Node* accumulator = __ GetAccumulator();
   Node* undefined_value =
       __ HeapConstant(isolate_->factory()->undefined_value());
-  Node* relative_jump = __ BytecodeOperandImmIntPtr(0);
+  Node* relative_jump = __ BytecodeOperandUImmWord(0);
   __ JumpIfWordEqual(accumulator, undefined_value, relative_jump);
 }
 
 // JumpIfUndefinedConstant <idx>
 //
 // Jump by number of bytes in the Smi in the |idx| entry in the constant pool
 // if the object referenced by the accumulator is the undefined constant.
 void Interpreter::DoJumpIfUndefinedConstant(InterpreterAssembler* assembler) {
   Node* accumulator = __ GetAccumulator();
   Node* undefined_value =
       __ HeapConstant(isolate_->factory()->undefined_value());
   Node* index = __ BytecodeOperandIdx(0);
   Node* relative_jump = __ LoadAndUntagConstantPoolEntry(index);
   __ JumpIfWordEqual(accumulator, undefined_value, relative_jump);
 }
 
 // JumpIfJSReceiver <imm>
 //
 // Jump by number of bytes represented by an immediate operand if the object
 // referenced by the accumulator is a JSReceiver.
 void Interpreter::DoJumpIfJSReceiver(InterpreterAssembler* assembler) {
   Node* accumulator = __ GetAccumulator();
-  Node* relative_jump = __ BytecodeOperandImmIntPtr(0);
+  Node* relative_jump = __ BytecodeOperandUImmWord(0);
 
   Label if_object(assembler), if_notobject(assembler, Label::kDeferred),
       if_notsmi(assembler);
   __ Branch(__ TaggedIsSmi(accumulator), &if_notobject, &if_notsmi);
 
   __ Bind(&if_notsmi);
   __ Branch(__ IsJSReceiver(accumulator), &if_object, &if_notobject);
   __ Bind(&if_object);
   __ Jump(relative_jump);
 
@@ skipping 23 matching lines @@
   __ Dispatch();
 }
 
 // JumpIfNotHole <imm>
 //
 // Jump by number of bytes represented by an immediate operand if the object
 // referenced by the accumulator is the hole.
 void Interpreter::DoJumpIfNotHole(InterpreterAssembler* assembler) {
   Node* accumulator = __ GetAccumulator();
   Node* the_hole_value = __ HeapConstant(isolate_->factory()->the_hole_value());
-  Node* relative_jump = __ BytecodeOperandImmIntPtr(0);
+  Node* relative_jump = __ BytecodeOperandUImmWord(0);
   __ JumpIfWordNotEqual(accumulator, the_hole_value, relative_jump);
 }
 
 // JumpIfNotHoleConstant <idx>
 //
 // Jump by number of bytes in the Smi in the |idx| entry in the constant pool
 // if the object referenced by the accumulator is the hole constant.
 void Interpreter::DoJumpIfNotHoleConstant(InterpreterAssembler* assembler) {
   Node* accumulator = __ GetAccumulator();
   Node* the_hole_value = __ HeapConstant(isolate_->factory()->the_hole_value());
   Node* index = __ BytecodeOperandIdx(0);
   Node* relative_jump = __ LoadAndUntagConstantPoolEntry(index);
   __ JumpIfWordNotEqual(accumulator, the_hole_value, relative_jump);
 }
 
 // JumpLoop <imm> <loop_depth>
 //
 // Jump by number of bytes represented by the immediate operand |imm|. Also
 // performs a loop nesting check and potentially triggers OSR in case the
 // current OSR level matches (or exceeds) the specified |loop_depth|.
 void Interpreter::DoJumpLoop(InterpreterAssembler* assembler) {
-  Node* relative_jump = __ BytecodeOperandImmIntPtr(0);
+  Node* relative_jump = __ BytecodeOperandUImmWord(0);
   Node* loop_depth = __ BytecodeOperandImm(1);
   Node* osr_level = __ LoadOSRNestingLevel();
 
   // Check if OSR points at the given {loop_depth} are armed by comparing it to
   // the current {osr_level} loaded from the header of the BytecodeArray.
   Label ok(assembler), osr_armed(assembler, Label::kDeferred);
   Node* condition = __ Int32GreaterThanOrEqual(loop_depth, osr_level);
   __ Branch(condition, &ok, &osr_armed);
 
   __ Bind(&ok);
-  __ Jump(relative_jump);
+  __ JumpBackward(relative_jump);
 
   __ Bind(&osr_armed);
   {
     Callable callable = CodeFactory::InterpreterOnStackReplacement(isolate_);
     Node* target = __ HeapConstant(callable.code());
     Node* context = __ GetContext();
     __ CallStub(callable.descriptor(), target, context);
-    __ Jump(relative_jump);
+    __ JumpBackward(relative_jump);
   }
 }
 
 // CreateRegExpLiteral <pattern_idx> <literal_idx> <flags>
 //
 // Creates a regular expression literal for literal index <literal_idx> with
 // <flags> and the pattern in <pattern_idx>.
 void Interpreter::DoCreateRegExpLiteral(InterpreterAssembler* assembler) {
   Node* index = __ BytecodeOperandIdx(0);
   Node* pattern = __ LoadConstantPoolEntry(index);
@@ skipping 630 matching lines @@
   __ StoreObjectField(generator, JSGeneratorObject::kContinuationOffset,
       __ SmiTag(new_state));
   __ SetAccumulator(old_state);
 
   __ Dispatch();
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8