A64: Synchronize with r18444.

src/arm/builtins-arm.cc

 // Copyright 2012 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 271 matching lines @@
   __ IncrementCounter(counters->string_ctor_gc_required(), 1, r3, r4);
   {
     FrameScope scope(masm, StackFrame::INTERNAL);
     __ push(argument);
     __ CallRuntime(Runtime::kNewStringWrapper, 1);
   }
   __ Ret();
 }
 
 
-static void CallRuntimePassFunction(MacroAssembler* masm,
-                                    Runtime::FunctionId function_id) {
+static void CallRuntimePassFunction(
+    MacroAssembler* masm, Runtime::FunctionId function_id) {
   FrameScope scope(masm, StackFrame::INTERNAL);
   // Push a copy of the function onto the stack.
   __ push(r1);
   // Push call kind information and function as parameter to the runtime call.
   __ Push(r5, r1);
 
   __ CallRuntime(function_id, 1);
   // Restore call kind information.
   __ pop(r5);
   // Restore receiver.
   __ pop(r1);
 }
 
 
 static void GenerateTailCallToSharedCode(MacroAssembler* masm) {
   __ ldr(r2, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset));
   __ ldr(r2, FieldMemOperand(r2, SharedFunctionInfo::kCodeOffset));
   __ add(r2, r2, Operand(Code::kHeaderSize - kHeapObjectTag));
   __ Jump(r2);
 }
 
 
-void Builtins::Generate_InRecompileQueue(MacroAssembler* masm) {
+static void GenerateTailCallToReturnedCode(MacroAssembler* masm) {
+  __ add(r0, r0, Operand(Code::kHeaderSize - kHeapObjectTag));
+  __ Jump(r0);
+}
+
+
+void Builtins::Generate_InOptimizationQueue(MacroAssembler* masm) {
   // Checking whether the queued function is ready for install is optional,
   // since we come across interrupts and stack checks elsewhere.  However,
   // not checking may delay installing ready functions, and always checking
   // would be quite expensive.  A good compromise is to first check against
   // stack limit as a cue for an interrupt signal.
   Label ok;
   __ LoadRoot(ip, Heap::kStackLimitRootIndex);
   __ cmp(sp, Operand(ip));
   __ b(hs, &ok);
 
-  CallRuntimePassFunction(masm, Runtime::kTryInstallRecompiledCode);
-  // Tail call to returned code.
-  __ add(r0, r0, Operand(Code::kHeaderSize - kHeapObjectTag));
-  __ Jump(r0);
+  CallRuntimePassFunction(masm, Runtime::kTryInstallOptimizedCode);
+  GenerateTailCallToReturnedCode(masm);
 
   __ bind(&ok);
   GenerateTailCallToSharedCode(masm);
 }
 
 
-void Builtins::Generate_ConcurrentRecompile(MacroAssembler* masm) {
-  CallRuntimePassFunction(masm, Runtime::kConcurrentRecompile);
-  GenerateTailCallToSharedCode(masm);
-}
-
-
 static void Generate_JSConstructStubHelper(MacroAssembler* masm,
                                            bool is_api_function,
                                            bool count_constructions) {
   // ----------- S t a t e -------------
   //  -- r0     : number of arguments
   //  -- r1     : constructor function
   //  -- lr     : return address
   //  -- sp[...]: constructor arguments
   // -----------------------------------
 
@@ skipping 414 matching lines @@
 void Builtins::Generate_JSEntryTrampoline(MacroAssembler* masm) {
   Generate_JSEntryTrampolineHelper(masm, false);
 }
 
 
 void Builtins::Generate_JSConstructEntryTrampoline(MacroAssembler* masm) {
   Generate_JSEntryTrampolineHelper(masm, true);
 }
 
 
-void Builtins::Generate_LazyCompile(MacroAssembler* masm) {
-  CallRuntimePassFunction(masm, Runtime::kLazyCompile);
-  // Do a tail-call of the compiled function.
-  __ add(r2, r0, Operand(Code::kHeaderSize - kHeapObjectTag));
-  __ Jump(r2);
+void Builtins::Generate_CompileUnoptimized(MacroAssembler* masm) {
+  CallRuntimePassFunction(masm, Runtime::kCompileUnoptimized);
+  GenerateTailCallToReturnedCode(masm);
 }
 
 
-void Builtins::Generate_LazyRecompile(MacroAssembler* masm) {
-  CallRuntimePassFunction(masm, Runtime::kLazyRecompile);
-  // Do a tail-call of the compiled function.
-  __ add(r2, r0, Operand(Code::kHeaderSize - kHeapObjectTag));
-  __ Jump(r2);
+static void CallCompileOptimized(MacroAssembler* masm, bool concurrent) {
+  FrameScope scope(masm, StackFrame::INTERNAL);
+  // Push a copy of the function onto the stack.
+  __ push(r1);
+  // Push call kind information and function as parameter to the runtime call.
+  __ Push(r5, r1);
+  // Whether to compile in a background thread.
+  __ Push(masm->isolate()->factory()->ToBoolean(concurrent));
+
+  __ CallRuntime(Runtime::kCompileOptimized, 2);
+  // Restore call kind information.
+  __ pop(r5);
+  // Restore receiver.
+  __ pop(r1);
 }
 
 
+void Builtins::Generate_CompileOptimized(MacroAssembler* masm) {
+  CallCompileOptimized(masm, false);
+  GenerateTailCallToReturnedCode(masm);
+}
+
+
+void Builtins::Generate_CompileOptimizedConcurrent(MacroAssembler* masm) {
+  CallCompileOptimized(masm, true);
+  GenerateTailCallToReturnedCode(masm);
+}
+
+
 static void GenerateMakeCodeYoungAgainCommon(MacroAssembler* masm) {
   // For now, we are relying on the fact that make_code_young doesn't do any
   // garbage collection which allows us to save/restore the registers without
   // worrying about which of them contain pointers. We also don't build an
   // internal frame to make the code faster, since we shouldn't have to do stack
   // crawls in MakeCodeYoung. This seems a bit fragile.
 
   // The following registers must be saved and restored when calling through to
   // the runtime:
   //   r0 - contains return address (beginning of patch sequence)
   //   r1 - isolate
   FrameScope scope(masm, StackFrame::MANUAL);
   __ stm(db_w, sp, r0.bit() | r1.bit() | fp.bit() | lr.bit());
-  __ PrepareCallCFunction(1, 0, r2);
+  __ PrepareCallCFunction(2, 0, r2);
   __ mov(r1, Operand(ExternalReference::isolate_address(masm->isolate())));
   __ CallCFunction(
       ExternalReference::get_make_code_young_function(masm->isolate()), 2);
   __ ldm(ia_w, sp, r0.bit() | r1.bit() | fp.bit() | lr.bit());
   __ mov(pc, r0);
 }
 
 #define DEFINE_CODE_AGE_BUILTIN_GENERATOR(C)                 \
 void Builtins::Generate_Make##C##CodeYoungAgainEvenMarking(  \
     MacroAssembler* masm) {                                  \
@@ skipping 12 matching lines @@
   // that make_code_young doesn't do any garbage collection which allows us to
   // save/restore the registers without worrying about which of them contain
   // pointers.
 
   // The following registers must be saved and restored when calling through to
   // the runtime:
   //   r0 - contains return address (beginning of patch sequence)
   //   r1 - isolate
   FrameScope scope(masm, StackFrame::MANUAL);
   __ stm(db_w, sp, r0.bit() | r1.bit() | fp.bit() | lr.bit());
-  __ PrepareCallCFunction(1, 0, r2);
+  __ PrepareCallCFunction(2, 0, r2);
   __ mov(r1, Operand(ExternalReference::isolate_address(masm->isolate())));
   __ CallCFunction(ExternalReference::get_mark_code_as_executed_function(
         masm->isolate()), 2);
   __ ldm(ia_w, sp, r0.bit() | r1.bit() | fp.bit() | lr.bit());
 
   // Perform prologue operations usually performed by the young code stub.
-  __ stm(db_w, sp, r1.bit() | cp.bit() | fp.bit() | lr.bit());
+  __ PushFixedFrame(r1);
   __ add(fp, sp, Operand(StandardFrameConstants::kFixedFrameSizeFromFp));
 
   // Jump to point after the code-age stub.
   __ add(r0, r0, Operand(kNoCodeAgeSequenceLength * Assembler::kInstrSize));
   __ mov(pc, r0);
 }
 
 
 void Builtins::Generate_MarkCodeAsExecutedTwice(MacroAssembler* masm) {
   GenerateMakeCodeYoungAgainCommon(masm);
@@ skipping 74 matching lines @@
 void Builtins::Generate_NotifyLazyDeoptimized(MacroAssembler* masm) {
   Generate_NotifyDeoptimizedHelper(masm, Deoptimizer::LAZY);
 }
 
 
 void Builtins::Generate_OnStackReplacement(MacroAssembler* masm) {
   // Lookup the function in the JavaScript frame.
   __ ldr(r0, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
   {
     FrameScope scope(masm, StackFrame::INTERNAL);
-    // Lookup and calculate pc offset.
-    __ ldr(r1, MemOperand(fp, StandardFrameConstants::kCallerPCOffset));
-    __ ldr(r2, FieldMemOperand(r0, JSFunction::kSharedFunctionInfoOffset));
-    __ ldr(r2, FieldMemOperand(r2, SharedFunctionInfo::kCodeOffset));
-    __ sub(r1, r1, Operand(Code::kHeaderSize - kHeapObjectTag));
-    __ sub(r1, r1, r2);
-    __ SmiTag(r1);
-
-    // Pass both function and pc offset as arguments.
+    // Pass function as argument.
     __ push(r0);
-    __ push(r1);
-    __ CallRuntime(Runtime::kCompileForOnStackReplacement, 2);
+    __ CallRuntime(Runtime::kCompileForOnStackReplacement, 1);
   }
 
   // If the code object is null, just return to the unoptimized code.
   Label skip;
   __ cmp(r0, Operand(Smi::FromInt(0)));
   __ b(ne, &skip);
   __ Ret();
 
   __ bind(&skip);
 
@@ skipping 383 matching lines @@
     // Tear down the internal frame and remove function, receiver and args.
   }
   __ add(sp, sp, Operand(3 * kPointerSize));
   __ Jump(lr);
 }
 
 
 static void EnterArgumentsAdaptorFrame(MacroAssembler* masm) {
   __ SmiTag(r0);
   __ mov(r4, Operand(Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR)));
-  __ stm(db_w, sp, r0.bit() | r1.bit() | r4.bit() | fp.bit() | lr.bit());
+  __ stm(db_w, sp, r0.bit() | r1.bit() | r4.bit() |
+                   (FLAG_enable_ool_constant_pool ? pp.bit() : 0) |
+                   fp.bit() | lr.bit());
   __ add(fp, sp,
          Operand(StandardFrameConstants::kFixedFrameSizeFromFp + kPointerSize));
 }
 
 
 static void LeaveArgumentsAdaptorFrame(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- r0 : result being passed through
   // -----------------------------------
   // Get the number of arguments passed (as a smi), tear down the frame and
@@ skipping 115 matching lines @@
   __ bind(&dont_adapt_arguments);
   __ Jump(r3);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM