Version 3.1.3....

src/arm/lithium-codegen-arm.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // 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 629 matching lines @@
   }
 
   ASSERT(FLAG_deopt_every_n_times < 2);  // Other values not supported on ARM.
 
   if (FLAG_deopt_every_n_times == 1 &&
       info_->shared_info()->opt_count() == id) {
     __ Jump(entry, RelocInfo::RUNTIME_ENTRY);
     return;
   }
 
-  if (cc == kNoCondition) {
+  if (cc == al) {
     if (FLAG_trap_on_deopt) __ stop("trap_on_deopt");
     __ Jump(entry, RelocInfo::RUNTIME_ENTRY);
   } else {
     if (FLAG_trap_on_deopt) {
       Label done;
       __ b(&done, NegateCondition(cc));
       __ stop("trap_on_deopt");
       __ Jump(entry, RelocInfo::RUNTIME_ENTRY);
       __ bind(&done);
     } else {
@@ skipping 520 matching lines @@
   } else {
     __ mul(left, left, right);
   }
 
   if (instr->hydrogen()->CheckFlag(HValue::kBailoutOnMinusZero)) {
     // Bail out if the result is supposed to be negative zero.
     Label done;
     __ tst(left, Operand(left));
     __ b(ne, &done);
     if (instr->InputAt(1)->IsConstantOperand()) {
-      if (ToInteger32(LConstantOperand::cast(instr->InputAt(1))) < 0) {
-        DeoptimizeIf(kNoCondition, instr->environment());
+      if (ToInteger32(LConstantOperand::cast(instr->InputAt(1))) <= 0) {
+        DeoptimizeIf(al, instr->environment());
       }
     } else {
       // Test the non-zero operand for negative sign.
       __ cmp(ToRegister(instr->TempAt(0)), Operand(0));
       DeoptimizeIf(mi, instr->environment());
     }
     __ bind(&done);
   }
 }
 
@@ skipping 2568 matching lines @@
   } else {
     final_branch_condition = ne;
     __ b(false_label);
     // A dead branch instruction will be generated after this point.
   }
 
   return final_branch_condition;
 }
 
 
+void LCodeGen::DoIsConstructCall(LIsConstructCall* instr) {
+  Register result = ToRegister(instr->result());
+  Label true_label;
+  Label false_label;
+  Label done;
+
+  EmitIsConstructCall(result, scratch0());
+  __ b(eq, &true_label);
+
+  __ LoadRoot(result, Heap::kFalseValueRootIndex);
+  __ b(&done);
+
+
+  __ bind(&true_label);
+  __ LoadRoot(result, Heap::kTrueValueRootIndex);
+
+  __ bind(&done);
+}
+
+
+void LCodeGen::DoIsConstructCallAndBranch(LIsConstructCallAndBranch* instr) {
+  Register temp1 = ToRegister(instr->TempAt(0));
+  int true_block = chunk_->LookupDestination(instr->true_block_id());
+  int false_block = chunk_->LookupDestination(instr->false_block_id());
+
+  EmitIsConstructCall(temp1, scratch0());
+  EmitBranch(true_block, false_block, eq);
+}
+
+
+void LCodeGen::EmitIsConstructCall(Register temp1, Register temp2) {
+  ASSERT(!temp1.is(temp2));
+  // Get the frame pointer for the calling frame.
+  __ ldr(temp1, MemOperand(fp, StandardFrameConstants::kCallerFPOffset));
+
+  // Skip the arguments adaptor frame if it exists.
+  Label check_frame_marker;
+  __ ldr(temp2, MemOperand(temp1, StandardFrameConstants::kContextOffset));
+  __ cmp(temp2, Operand(Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR)));
+  __ b(ne, &check_frame_marker);
+  __ ldr(temp1, MemOperand(temp1, StandardFrameConstants::kCallerFPOffset));
+
+  // Check the marker in the calling frame.
+  __ bind(&check_frame_marker);
+  __ ldr(temp1, MemOperand(temp1, StandardFrameConstants::kMarkerOffset));
+  __ cmp(temp1, Operand(Smi::FromInt(StackFrame::CONSTRUCT)));
+}
+
+
 void LCodeGen::DoLazyBailout(LLazyBailout* instr) {
   // No code for lazy bailout instruction. Used to capture environment after a
   // call for populating the safepoint data with deoptimization data.
 }
 
 
 void LCodeGen::DoDeoptimize(LDeoptimize* instr) {
-  DeoptimizeIf(kNoCondition, instr->environment());
+  DeoptimizeIf(al, instr->environment());
 }
 
 
 void LCodeGen::DoDeleteProperty(LDeleteProperty* instr) {
   Register object = ToRegister(instr->object());
   Register key = ToRegister(instr->key());
   __ Push(object, key);
   ASSERT(instr->HasPointerMap() && instr->HasDeoptimizationEnvironment());
   LPointerMap* pointers = instr->pointer_map();
   LEnvironment* env = instr->deoptimization_environment();
@@ skipping 19 matching lines @@
 
 
 void LCodeGen::DoOsrEntry(LOsrEntry* instr) {
   Abort("DoOsrEntry unimplemented.");
 }
 
 
 #undef __
 
 } }  // namespace v8::internal