VM: Re-format to use at most one newline between functions

runtime/vm/stub_code_arm64.cc

Index: runtime/vm/stub_code_arm64.cc
diff --git a/runtime/vm/stub_code_arm64.cc b/runtime/vm/stub_code_arm64.cc
index fac4ef6be683ebee723a34bcc10a305c0fb1ba7e..bc582e5f9f349be4d416b2c63485bb9b580713c8 100644
--- a/runtime/vm/stub_code_arm64.cc
+++ b/runtime/vm/stub_code_arm64.cc
@@ -123,19 +123,16 @@ void StubCode::GenerateCallToRuntimeStub(Assembler* assembler) {
   __ ret();
 }
 
-
 // Print the stop message.
 DEFINE_LEAF_RUNTIME_ENTRY(void, PrintStopMessage, 1, const char* message) {
   OS::Print("Stop message: %s\n", message);
 }
 END_LEAF_RUNTIME_ENTRY
 
-
 void StubCode::GeneratePrintStopMessageStub(Assembler* assembler) {
   __ Stop("GeneratePrintStopMessageStub");
 }
 
-
 // Input parameters:
 //   LR : return address.
 //   SP : address of return value.
@@ -230,21 +227,18 @@ static void GenerateCallNativeWithWrapperStub(Assembler* assembler,
   __ ret();
 }
 
-
 void StubCode::GenerateCallNoScopeNativeStub(Assembler* assembler) {
   GenerateCallNativeWithWrapperStub(
       assembler,
       Address(THR, Thread::no_scope_native_wrapper_entry_point_offset()));
 }
 
-
 void StubCode::GenerateCallAutoScopeNativeStub(Assembler* assembler) {
   GenerateCallNativeWithWrapperStub(
       assembler,
       Address(THR, Thread::auto_scope_native_wrapper_entry_point_offset()));
 }
 
-
 // Input parameters:
 //   LR : return address.
 //   SP : address of return value.
@@ -335,7 +329,6 @@ void StubCode::GenerateCallBootstrapNativeStub(Assembler* assembler) {
   __ ret();
 }
 
-
 // Input parameters:
 //   R4: arguments descriptor array.
 void StubCode::GenerateCallStaticFunctionStub(Assembler* assembler) {
@@ -356,7 +349,6 @@ void StubCode::GenerateCallStaticFunctionStub(Assembler* assembler) {
   __ br(R0);
 }
 
-
 // Called from a static call only when an invalid code has been entered
 // (invalid because its function was optimized or deoptimized).
 // R4: arguments descriptor array.
@@ -382,7 +374,6 @@ void StubCode::GenerateFixCallersTargetStub(Assembler* assembler) {
   __ br(R0);
 }
 
-
 // Called from object allocate instruction when the allocation stub has been
 // disabled.
 void StubCode::GenerateFixAllocationStubTargetStub(Assembler* assembler) {
@@ -403,7 +394,6 @@ void StubCode::GenerateFixAllocationStubTargetStub(Assembler* assembler) {
   __ br(R0);
 }
 
-
 // Input parameters:
 //   R2: smi-tagged argument count, may be zero.
 //   FP[kParamEndSlotFromFp + 1]: last argument.
@@ -435,7 +425,6 @@ static void PushArgumentsArray(Assembler* assembler) {
   __ Bind(&loop_exit);
 }
 
-
 // Used by eager and lazy deoptimization. Preserve result in RAX if necessary.
 // This stub translates optimized frame into unoptimized frame. The optimized
 // frame can contain values in registers and on stack, the unoptimized
@@ -576,7 +565,6 @@ static void GenerateDeoptimizationSequence(Assembler* assembler,
   // The caller is responsible for emitting the return instruction.
 }
 
-
 // R0: result, must be preserved
 void StubCode::GenerateDeoptimizeLazyFromReturnStub(Assembler* assembler) {
   // Push zap value instead of CODE_REG for lazy deopt.
@@ -589,7 +577,6 @@ void StubCode::GenerateDeoptimizeLazyFromReturnStub(Assembler* assembler) {
   __ ret();
 }
 
-
 // R0: exception, must be preserved
 // R1: stacktrace, must be preserved
 void StubCode::GenerateDeoptimizeLazyFromThrowStub(Assembler* assembler) {
@@ -603,13 +590,11 @@ void StubCode::GenerateDeoptimizeLazyFromThrowStub(Assembler* assembler) {
   __ ret();
 }
 
-
 void StubCode::GenerateDeoptimizeStub(Assembler* assembler) {
   GenerateDeoptimizationSequence(assembler, kEagerDeopt);
   __ ret();
 }
 
-
 static void GenerateDispatcherCode(Assembler* assembler,
                                    Label* call_target_function) {
   __ Comment("NoSuchMethodDispatch");
@@ -644,7 +629,6 @@ static void GenerateDispatcherCode(Assembler* assembler,
   __ ret();
 }
 
-
 void StubCode::GenerateMegamorphicMissStub(Assembler* assembler) {
   __ EnterStubFrame();
 
@@ -689,7 +673,6 @@ void StubCode::GenerateMegamorphicMissStub(Assembler* assembler) {
   __ br(R2);
 }
 
-
 // Called for inline allocation of arrays.
 // Input parameters:
 //   LR: return address.
@@ -834,7 +817,6 @@ void StubCode::GenerateAllocateArrayStub(Assembler* assembler) {
   __ ret();
 }
 
-
 // Called when invoking Dart code from C++ (VM code).
 // Input parameters:
 //   LR : points to return address.
@@ -967,7 +949,6 @@ void StubCode::GenerateInvokeDartCodeStub(Assembler* assembler) {
   __ ret();
 }
 
-
 // Called for inline allocation of contexts.
 // Input:
 //   R1: number of context variables.
@@ -1082,7 +1063,6 @@ void StubCode::GenerateAllocateContextStub(Assembler* assembler) {
   __ ret();
 }
 
-
 // Helper stub to implement Assembler::StoreIntoObject.
 // Input parameters:
 //   R0: Address being stored
@@ -1148,7 +1128,6 @@ void StubCode::GenerateUpdateStoreBufferStub(Assembler* assembler) {
   __ ret();
 }
 
-
 // Called for inline allocation of objects.
 // Input parameters:
 //   LR : return address.
@@ -1275,7 +1254,6 @@ void StubCode::GenerateAllocationStubForClass(Assembler* assembler,
   __ ret();
 }
 
-
 // Called for invoking "dynamic noSuchMethod(Invocation invocation)" function
 // from the entry code of a dart function after an error in passed argument
 // name or number is detected.
@@ -1313,7 +1291,6 @@ void StubCode::GenerateCallClosureNoSuchMethodStub(Assembler* assembler) {
   __ brk(0);
 }
 
-
 //  R6: function object.
 //  R5: inline cache data object.
 // Cannot use function object from ICData as it may be the inlined
@@ -1338,7 +1315,6 @@ void StubCode::GenerateOptimizedUsageCounterIncrement(Assembler* assembler) {
   __ StoreFieldToOffset(R7, func_reg, Function::usage_counter_offset(), kWord);
 }
 
-
 // Loads function into 'temp_reg'.
 void StubCode::GenerateUsageCounterIncrement(Assembler* assembler,
                                              Register temp_reg) {
@@ -1356,7 +1332,6 @@ void StubCode::GenerateUsageCounterIncrement(Assembler* assembler,
   }
 }
 
-
 // Note: R5 must be preserved.
 // Attempt a quick Smi operation for known operations ('kind'). The ICData
 // must have been primed with a Smi/Smi check that will be used for counting
@@ -1423,7 +1398,6 @@ static void EmitFastSmiOp(Assembler* assembler,
   __ ret();
 }
 
-
 // Generate inline cache check for 'num_args'.
 //  LR: return address.
 //  R5: inline cache data object.
@@ -1605,7 +1579,6 @@ void StubCode::GenerateNArgsCheckInlineCacheStub(
   }
 }
 
-
 // Use inline cache data array to invoke the target or continue in inline
 // cache miss handler. Stub for 1-argument check (receiver class).
 //  LR: return address.
@@ -1622,7 +1595,6 @@ void StubCode::GenerateOneArgCheckInlineCacheStub(Assembler* assembler) {
       assembler, 1, kInlineCacheMissHandlerOneArgRuntimeEntry, Token::kILLEGAL);
 }
 
-
 void StubCode::GenerateTwoArgsCheckInlineCacheStub(Assembler* assembler) {
   GenerateUsageCounterIncrement(assembler, R6);
   GenerateNArgsCheckInlineCacheStub(assembler, 2,
@@ -1630,28 +1602,24 @@ void StubCode::GenerateTwoArgsCheckInlineCacheStub(Assembler* assembler) {
                                     Token::kILLEGAL);
 }
 
-
 void StubCode::GenerateSmiAddInlineCacheStub(Assembler* assembler) {
   GenerateUsageCounterIncrement(assembler, R6);
   GenerateNArgsCheckInlineCacheStub(
       assembler, 2, kInlineCacheMissHandlerTwoArgsRuntimeEntry, Token::kADD);
 }
 
-
 void StubCode::GenerateSmiSubInlineCacheStub(Assembler* assembler) {
   GenerateUsageCounterIncrement(assembler, R6);
   GenerateNArgsCheckInlineCacheStub(
       assembler, 2, kInlineCacheMissHandlerTwoArgsRuntimeEntry, Token::kSUB);
 }
 
-
 void StubCode::GenerateSmiEqualInlineCacheStub(Assembler* assembler) {
   GenerateUsageCounterIncrement(assembler, R6);
   GenerateNArgsCheckInlineCacheStub(
       assembler, 2, kInlineCacheMissHandlerTwoArgsRuntimeEntry, Token::kEQ);
 }
 
-
 void StubCode::GenerateOneArgOptimizedCheckInlineCacheStub(
     Assembler* assembler) {
   GenerateOptimizedUsageCounterIncrement(assembler);
@@ -1660,7 +1628,6 @@ void StubCode::GenerateOneArgOptimizedCheckInlineCacheStub(
                                     Token::kILLEGAL, true /* optimized */);
 }
 
-
 void StubCode::GenerateTwoArgsOptimizedCheckInlineCacheStub(
     Assembler* assembler) {
   GenerateOptimizedUsageCounterIncrement(assembler);
@@ -1669,7 +1636,6 @@ void StubCode::GenerateTwoArgsOptimizedCheckInlineCacheStub(
                                     Token::kILLEGAL, true /* optimized */);
 }
 
-
 void StubCode::GenerateZeroArgsUnoptimizedStaticCallStub(Assembler* assembler) {
   GenerateUsageCounterIncrement(assembler, R6);
 #if defined(DEBUG)
@@ -1734,21 +1700,18 @@ void StubCode::GenerateZeroArgsUnoptimizedStaticCallStub(Assembler* assembler) {
   }
 }
 
-
 void StubCode::GenerateOneArgUnoptimizedStaticCallStub(Assembler* assembler) {
   GenerateUsageCounterIncrement(assembler, R6);
   GenerateNArgsCheckInlineCacheStub(
       assembler, 1, kStaticCallMissHandlerOneArgRuntimeEntry, Token::kILLEGAL);
 }
 
-
 void StubCode::GenerateTwoArgsUnoptimizedStaticCallStub(Assembler* assembler) {
   GenerateUsageCounterIncrement(assembler, R6);
   GenerateNArgsCheckInlineCacheStub(
       assembler, 2, kStaticCallMissHandlerTwoArgsRuntimeEntry, Token::kILLEGAL);
 }
 
-
 // Stub for compiling a function and jumping to the compiled code.
 // R5: IC-Data (for methods).
 // R4: Arguments descriptor.
@@ -1770,7 +1733,6 @@ void StubCode::GenerateLazyCompileStub(Assembler* assembler) {
   __ br(R2);
 }
 
-
 // R5: Contains an ICData.
 void StubCode::GenerateICCallBreakpointStub(Assembler* assembler) {
   __ EnterStubFrame();
@@ -1784,7 +1746,6 @@ void StubCode::GenerateICCallBreakpointStub(Assembler* assembler) {
   __ br(R0);
 }
 
-
 void StubCode::GenerateRuntimeCallBreakpointStub(Assembler* assembler) {
   __ EnterStubFrame();
   __ Push(ZR);  // Space for result.
@@ -1814,7 +1775,6 @@ void StubCode::GenerateDebugStepCheckStub(Assembler* assembler) {
   __ b(&done_stepping);
 }
 
-
 // Used to check class and type arguments. Arguments passed in registers:
 // LR: return address.
 // R0: instance (must be preserved).
@@ -1900,7 +1860,6 @@ static void GenerateSubtypeNTestCacheStub(Assembler* assembler, int n) {
   __ ret();
 }
 
-
 // Used to check class and type arguments. Arguments passed on stack:
 // LR: return address.
 // R0: instance (must be preserved).
@@ -1912,7 +1871,6 @@ void StubCode::GenerateSubtype1TestCacheStub(Assembler* assembler) {
   GenerateSubtypeNTestCacheStub(assembler, 1);
 }
 
-
 // Used to check class and type arguments. Arguments passed in registers:
 // LR: return address.
 // R0: instance (must be preserved).
@@ -1924,7 +1882,6 @@ void StubCode::GenerateSubtype2TestCacheStub(Assembler* assembler) {
   GenerateSubtypeNTestCacheStub(assembler, 2);
 }
 
-
 // Used to check class and type arguments. Arguments passed on stack:
 // LR: return address.
 // R0: instance (must be preserved).
@@ -1936,13 +1893,11 @@ void StubCode::GenerateSubtype4TestCacheStub(Assembler* assembler) {
   GenerateSubtypeNTestCacheStub(assembler, 4);
 }
 
-
 void StubCode::GenerateGetCStackPointerStub(Assembler* assembler) {
   __ mov(R0, CSP);
   __ ret();
 }
 
-
 // Jump to a frame on the call stack.
 // LR: return address.
 // R0: program_counter.
@@ -1968,7 +1923,6 @@ void StubCode::GenerateJumpToFrameStub(Assembler* assembler) {
   __ ret();  // Jump to continuation point.
 }
 
-
 // Run an exception handler.  Execution comes from JumpToFrame
 // stub or from the simulator.
 //
@@ -1989,7 +1943,6 @@ void StubCode::GenerateRunExceptionHandlerStub(Assembler* assembler) {
   __ ret();  // Jump to the exception handler code.
 }
 
-
 // Deoptimize a frame on the call stack before rewinding.
 // The arguments are stored in the Thread object.
 // No result.
@@ -2009,7 +1962,6 @@ void StubCode::GenerateDeoptForRewindStub(Assembler* assembler) {
   __ brk(0);
 }
 
-
 // Calls to the runtime to optimize the given function.
 // R6: function to be re-optimized.
 // R4: argument descriptor (preserved).
@@ -2030,7 +1982,6 @@ void StubCode::GenerateOptimizeFunctionStub(Assembler* assembler) {
   __ brk(0);
 }
 
-
 // Does identical check (object references are equal or not equal) with special
 // checks for boxed numbers.
 // Left and right are pushed on stack.
@@ -2088,7 +2039,6 @@ static void GenerateIdenticalWithNumberCheckStub(Assembler* assembler,
   __ Bind(&done);
 }
 
-
 // Called only from unoptimized code. All relevant registers have been saved.
 // LR: return address.
 // SP + 4: left operand.
@@ -2123,7 +2073,6 @@ void StubCode::GenerateUnoptimizedIdenticalWithNumberCheckStub(
   }
 }
 
-
 // Called from optimized code only.
 // LR: return address.
 // SP + 4: left operand.
@@ -2139,7 +2088,6 @@ void StubCode::GenerateOptimizedIdenticalWithNumberCheckStub(
   __ ret();
 }
 
-
 // Called from megamorphic calls.
 //  R0: receiver
 //  R5: MegamorphicCache (preserved)
@@ -2212,7 +2160,6 @@ void StubCode::GenerateMegamorphicCallStub(Assembler* assembler) {
   __ b(&cid_loaded);
 }
 
-
 // Called from switchable IC calls.
 //  R0: receiver
 //  R5: ICData (preserved)
@@ -2253,7 +2200,6 @@ void StubCode::GenerateICCallThroughFunctionStub(Assembler* assembler) {
   __ br(R1);
 }
 
-
 void StubCode::GenerateICCallThroughCodeStub(Assembler* assembler) {
   Label loop, found, miss;
   __ ldr(R4, FieldAddress(R5, ICData::arguments_descriptor_offset()));
@@ -2288,7 +2234,6 @@ void StubCode::GenerateICCallThroughCodeStub(Assembler* assembler) {
   __ br(R1);
 }
 
-
 // Called from switchable IC calls.
 //  R0: receiver
 //  R5: SingleTargetCache
@@ -2311,7 +2256,6 @@ void StubCode::GenerateUnlinkedCallStub(Assembler* assembler) {
   __ br(R1);
 }
 
-
 // Called from switchable IC calls.
 //  R0: receiver
 //  R5: SingleTargetCache
@@ -2352,7 +2296,6 @@ void StubCode::GenerateSingleTargetCallStub(Assembler* assembler) {
   __ br(R1);
 }
 
-
 // Called from the monomorphic checked entry.
 //  R0: receiver
 void StubCode::GenerateMonomorphicMissStub(Assembler* assembler) {
@@ -2374,12 +2317,10 @@ void StubCode::GenerateMonomorphicMissStub(Assembler* assembler) {
   __ br(R1);
 }
 
-
 void StubCode::GenerateFrameAwaitingMaterializationStub(Assembler* assembler) {
   __ brk(0);
 }
 
-
 void StubCode::GenerateAsynchronousGapMarkerStub(Assembler* assembler) {
   __ brk(0);
 }