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

runtime/vm/intrinsifier_arm64.cc

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"  // Needed here to get TARGET_ARCH_ARM64.
 #if defined(TARGET_ARCH_ARM64)
 
 #include "vm/intrinsifier.h"
 
 #include "vm/assembler.h"
@@ skipping 10 matching lines @@
 // When entering intrinsics code:
 // R4: Arguments descriptor
 // LR: Return address
 // The R4 register can be destroyed only if there is no slow-path, i.e.
 // if the intrinsified method always executes a return.
 // The FP register should not be modified, because it is used by the profiler.
 // The PP and THR registers (see constants_arm64.h) must be preserved.
 
 #define __ assembler->
 
-
 intptr_t Intrinsifier::ParameterSlotFromSp() {
   return -1;
 }
 
-
 static bool IsABIPreservedRegister(Register reg) {
   return ((1 << reg) & kAbiPreservedCpuRegs) != 0;
 }
 
-
 void Intrinsifier::IntrinsicCallPrologue(Assembler* assembler) {
   ASSERT(IsABIPreservedRegister(CODE_REG));
   ASSERT(!IsABIPreservedRegister(ARGS_DESC_REG));
   ASSERT(IsABIPreservedRegister(CALLEE_SAVED_TEMP));
   ASSERT(IsABIPreservedRegister(CALLEE_SAVED_TEMP2));
   ASSERT(CALLEE_SAVED_TEMP != CODE_REG);
   ASSERT(CALLEE_SAVED_TEMP != ARGS_DESC_REG);
   ASSERT(CALLEE_SAVED_TEMP2 != CODE_REG);
   ASSERT(CALLEE_SAVED_TEMP2 != ARGS_DESC_REG);
 
   assembler->Comment("IntrinsicCallPrologue");
   assembler->mov(CALLEE_SAVED_TEMP, LR);
   assembler->mov(CALLEE_SAVED_TEMP2, ARGS_DESC_REG);
 }
 
-
 void Intrinsifier::IntrinsicCallEpilogue(Assembler* assembler) {
   assembler->Comment("IntrinsicCallEpilogue");
   assembler->mov(LR, CALLEE_SAVED_TEMP);
   assembler->mov(ARGS_DESC_REG, CALLEE_SAVED_TEMP2);
 }
 
-
 // Intrinsify only for Smi value and index. Non-smi values need a store buffer
 // update. Array length is always a Smi.
 void Intrinsifier::ObjectArraySetIndexed(Assembler* assembler) {
   if (Isolate::Current()->type_checks()) {
     return;
   }
 
   Label fall_through;
   __ ldr(R1, Address(SP, 1 * kWordSize));  // Index.
   __ tsti(R1, Immediate(kSmiTagMask));
@@ skipping 10 matching lines @@
   // Note that R1 is Smi, i.e, times 2.
   ASSERT(kSmiTagShift == 1);
   __ ldr(R2, Address(SP, 0 * kWordSize));  // Value.
   __ add(R1, R0, Operand(R1, LSL, 2));     // R1 is Smi.
   __ StoreIntoObject(R0, FieldAddress(R1, Array::data_offset()), R2);
   // Caller is responsible for preserving the value if necessary.
   __ ret();
   __ Bind(&fall_through);
 }
 
-
 // Allocate a GrowableObjectArray using the backing array specified.
 // On stack: type argument (+1), data (+0).
 void Intrinsifier::GrowableArray_Allocate(Assembler* assembler) {
   // The newly allocated object is returned in R0.
   const intptr_t kTypeArgumentsOffset = 1 * kWordSize;
   const intptr_t kArrayOffset = 0 * kWordSize;
   Label fall_through;
 
   // Try allocating in new space.
   const Class& cls = Class::Handle(
@@ skipping 13 matching lines @@
       R0, FieldAddress(R0, GrowableObjectArray::type_arguments_offset()), R1);
 
   // Set the length field in the growable array object to 0.
   __ LoadImmediate(R1, 0);
   __ str(R1, FieldAddress(R0, GrowableObjectArray::length_offset()));
   __ ret();  // Returns the newly allocated object in R0.
 
   __ Bind(&fall_through);
 }
 
-
 // Add an element to growable array if it doesn't need to grow, otherwise
 // call into regular code.
 // On stack: growable array (+1), value (+0).
 void Intrinsifier::GrowableArray_add(Assembler* assembler) {
   // In checked mode we need to type-check the incoming argument.
   if (Isolate::Current()->type_checks()) {
     return;
   }
   Label fall_through;
   // R0: Array.
@@ skipping 13 matching lines @@
   __ str(R3, FieldAddress(R0, GrowableObjectArray::length_offset()));
   __ ldr(R0, Address(SP, 0 * kWordSize));  // Value.
   ASSERT(kSmiTagShift == 1);
   __ add(R1, R2, Operand(R1, LSL, 2));
   __ StoreIntoObject(R2, FieldAddress(R1, Array::data_offset()), R0);
   __ LoadObject(R0, Object::null_object());
   __ ret();
   __ Bind(&fall_through);
 }
 
-
 static int GetScaleFactor(intptr_t size) {
   switch (size) {
     case 1:
       return 0;
     case 2:
       return 1;
     case 4:
       return 2;
     case 8:
       return 3;
     case 16:
       return 4;
   }
   UNREACHABLE();
   return -1;
 }
 
-
 #define TYPED_ARRAY_ALLOCATION(type_name, cid, max_len, scale_shift)           \
   Label fall_through;                                                          \
   const intptr_t kArrayLengthStackOffset = 0 * kWordSize;                      \
   NOT_IN_PRODUCT(__ MaybeTraceAllocation(cid, R2, &fall_through));             \
   __ ldr(R2, Address(SP, kArrayLengthStackOffset)); /* Array length. */        \
   /* Check that length is a positive Smi. */                                   \
   /* R2: requested array length argument. */                                   \
   __ tsti(R2, Immediate(kSmiTagMask));                                         \
   __ b(&fall_through, NE);                                                     \
   __ CompareRegisters(R2, ZR);                                                 \
@@ skipping 63 matching lines @@
   __ cmp(R2, Operand(R1));                                                     \
   __ b(&done, CS);                                                             \
   __ str(R3, Address(R2, 0));                                                  \
   __ add(R2, R2, Operand(kWordSize));                                          \
   __ b(&init_loop);                                                            \
   __ Bind(&done);                                                              \
                                                                                \
   __ ret();                                                                    \
   __ Bind(&fall_through);
 
-
 #define TYPED_DATA_ALLOCATOR(clazz)                                            \
   void Intrinsifier::TypedData_##clazz##_factory(Assembler* assembler) {       \
     intptr_t size = TypedData::ElementSizeInBytes(kTypedData##clazz##Cid);     \
     intptr_t max_len = TypedData::MaxElements(kTypedData##clazz##Cid);         \
     int shift = GetScaleFactor(size);                                          \
     TYPED_ARRAY_ALLOCATION(TypedData, kTypedData##clazz##Cid, max_len, shift); \
   }
 CLASS_LIST_TYPED_DATA(TYPED_DATA_ALLOCATOR)
 #undef TYPED_DATA_ALLOCATOR
 
-
 // Loads args from stack into R0 and R1
 // Tests if they are smis, jumps to label not_smi if not.
 static void TestBothArgumentsSmis(Assembler* assembler, Label* not_smi) {
   __ ldr(R0, Address(SP, +0 * kWordSize));
   __ ldr(R1, Address(SP, +1 * kWordSize));
   __ orr(TMP, R0, Operand(R1));
   __ tsti(TMP, Immediate(kSmiTagMask));
   __ b(not_smi, NE);
 }
 
-
 void Intrinsifier::Integer_addFromInteger(Assembler* assembler) {
   Label fall_through;
   TestBothArgumentsSmis(assembler, &fall_through);  // Checks two smis.
   __ adds(R0, R0, Operand(R1));                     // Adds.
   __ b(&fall_through, VS);                          // Fall-through on overflow.
   __ ret();
   __ Bind(&fall_through);
 }
 
-
 void Intrinsifier::Integer_add(Assembler* assembler) {
   Integer_addFromInteger(assembler);
 }
 
-
 void Intrinsifier::Integer_subFromInteger(Assembler* assembler) {
   Label fall_through;
   TestBothArgumentsSmis(assembler, &fall_through);
   __ subs(R0, R0, Operand(R1));  // Subtract.
   __ b(&fall_through, VS);       // Fall-through on overflow.
   __ ret();
   __ Bind(&fall_through);
 }
 
-
 void Intrinsifier::Integer_sub(Assembler* assembler) {
   Label fall_through;
   TestBothArgumentsSmis(assembler, &fall_through);
   __ subs(R0, R1, Operand(R0));  // Subtract.
   __ b(&fall_through, VS);       // Fall-through on overflow.
   __ ret();
   __ Bind(&fall_through);
 }
 
-
 void Intrinsifier::Integer_mulFromInteger(Assembler* assembler) {
   Label fall_through;
 
   TestBothArgumentsSmis(assembler, &fall_through);  // checks two smis
   __ SmiUntag(R0);  // Untags R6. We only want result shifted by one.
 
   __ mul(TMP, R0, R1);
   __ smulh(TMP2, R0, R1);
   // TMP: result bits 64..127.
   __ cmp(TMP2, Operand(TMP, ASR, 63));
   __ b(&fall_through, NE);
   __ mov(R0, TMP);
   __ ret();
   __ Bind(&fall_through);
 }
 
-
 void Intrinsifier::Integer_mul(Assembler* assembler) {
   Integer_mulFromInteger(assembler);
 }
 
-
 // Optimizations:
 // - result is 0 if:
 //   - left is 0
 //   - left equals right
 // - result is left if
 //   - left > 0 && left < right
 // R1: Tagged left (dividend).
 // R0: Tagged right (divisor).
 // Returns:
 //   R1: Untagged fallthrough result (remainder to be adjusted), or
@@ skipping 28 matching lines @@
 
   __ Bind(&modulo);
   // result <- left - right * (left / right)
   __ SmiUntag(left);
   __ SmiUntag(right);
 
   __ sdiv(tmp, left, right);
   __ msub(result, right, tmp, left);  // result <- left - right * tmp
 }
 
-
 // Implementation:
 //  res = left % right;
 //  if (res < 0) {
 //    if (right < 0) {
 //      res = res - right;
 //    } else {
 //      res = res + right;
 //    }
 //  }
 void Intrinsifier::Integer_moduloFromInteger(Assembler* assembler) {
@@ skipping 22 matching lines @@
   __ CompareRegisters(R0, ZR);
   __ sub(TMP, R1, Operand(R0));
   __ add(TMP2, R1, Operand(R0));
   __ csel(R0, TMP2, TMP, GE);
   __ SmiTag(R0);
   __ ret();
 
   __ Bind(&fall_through);
 }
 
-
 void Intrinsifier::Integer_truncDivide(Assembler* assembler) {
   // Check to see if we have integer division
   Label fall_through;
 
   TestBothArgumentsSmis(assembler, &fall_through);
   __ CompareRegisters(R0, ZR);
   __ b(&fall_through, EQ);  // If b is 0, fall through.
 
   __ SmiUntag(R0);
   __ SmiUntag(R1);
 
   __ sdiv(R0, R1, R0);
 
   // Check the corner case of dividing the 'MIN_SMI' with -1, in which case we
   // cannot tag the result.
   __ CompareImmediate(R0, 0x4000000000000000);
   __ b(&fall_through, EQ);
   __ SmiTag(R0);  // Not equal. Okay to tag and return.
   __ ret();       // Return.
   __ Bind(&fall_through);
 }
 
-
 void Intrinsifier::Integer_negate(Assembler* assembler) {
   Label fall_through;
   __ ldr(R0, Address(SP, +0 * kWordSize));  // Grab first argument.
   __ tsti(R0, Immediate(kSmiTagMask));      // Test for Smi.
   __ b(&fall_through, NE);
   __ negs(R0, R0);
   __ b(&fall_through, VS);
   __ ret();
   __ Bind(&fall_through);
 }
 
-
 void Intrinsifier::Integer_bitAndFromInteger(Assembler* assembler) {
   Label fall_through;
   TestBothArgumentsSmis(assembler, &fall_through);  // Checks two smis.
   __ and_(R0, R0, Operand(R1));
   __ ret();
   __ Bind(&fall_through);
 }
 
-
 void Intrinsifier::Integer_bitAnd(Assembler* assembler) {
   Integer_bitAndFromInteger(assembler);
 }
 
-
 void Intrinsifier::Integer_bitOrFromInteger(Assembler* assembler) {
   Label fall_through;
   TestBothArgumentsSmis(assembler, &fall_through);  // Checks two smis.
   __ orr(R0, R0, Operand(R1));
   __ ret();
   __ Bind(&fall_through);
 }
 
-
 void Intrinsifier::Integer_bitOr(Assembler* assembler) {
   Integer_bitOrFromInteger(assembler);
 }
 
-
 void Intrinsifier::Integer_bitXorFromInteger(Assembler* assembler) {
   Label fall_through;
 
   TestBothArgumentsSmis(assembler, &fall_through);  // Checks two smis.
   __ eor(R0, R0, Operand(R1));
   __ ret();
   __ Bind(&fall_through);
 }
 
-
 void Intrinsifier::Integer_bitXor(Assembler* assembler) {
   Integer_bitXorFromInteger(assembler);
 }
 
-
 void Intrinsifier::Integer_shl(Assembler* assembler) {
   ASSERT(kSmiTagShift == 1);
   ASSERT(kSmiTag == 0);
   const Register right = R0;
   const Register left = R1;
   const Register temp = R2;
   const Register result = R0;
   Label fall_through;
 
   TestBothArgumentsSmis(assembler, &fall_through);
   __ CompareImmediate(right, reinterpret_cast<int64_t>(Smi::New(Smi::kBits)));
   __ b(&fall_through, CS);
 
   // Left is not a constant.
   // Check if count too large for handling it inlined.
   __ SmiUntag(TMP, right);  // SmiUntag right into TMP.
   // Overflow test (preserve left, right, and TMP);
   __ lslv(temp, left, TMP);
   __ asrv(TMP2, temp, TMP);
   __ CompareRegisters(left, TMP2);
   __ b(&fall_through, NE);  // Overflow.
   // Shift for result now we know there is no overflow.
   __ lslv(result, left, TMP);
   __ ret();
   __ Bind(&fall_through);
 }
 
-
 static void CompareIntegers(Assembler* assembler, Condition true_condition) {
   Label fall_through, true_label;
   TestBothArgumentsSmis(assembler, &fall_through);
   // R0 contains the right argument, R1 the left.
   __ CompareRegisters(R1, R0);
   __ LoadObject(R0, Bool::False());
   __ LoadObject(TMP, Bool::True());
   __ csel(R0, TMP, R0, true_condition);
   __ ret();
   __ Bind(&fall_through);
 }
 
-
 void Intrinsifier::Integer_greaterThanFromInt(Assembler* assembler) {
   CompareIntegers(assembler, LT);
 }
 
-
 void Intrinsifier::Integer_lessThan(Assembler* assembler) {
   Integer_greaterThanFromInt(assembler);
 }
 
-
 void Intrinsifier::Integer_greaterThan(Assembler* assembler) {
   CompareIntegers(assembler, GT);
 }
 
-
 void Intrinsifier::Integer_lessEqualThan(Assembler* assembler) {
   CompareIntegers(assembler, LE);
 }
 
-
 void Intrinsifier::Integer_greaterEqualThan(Assembler* assembler) {
   CompareIntegers(assembler, GE);
 }
 
-
 // This is called for Smi, Mint and Bigint receivers. The right argument
 // can be Smi, Mint, Bigint or double.
 void Intrinsifier::Integer_equalToInteger(Assembler* assembler) {
   Label fall_through, true_label, check_for_mint;
   // For integer receiver '===' check first.
   __ ldr(R0, Address(SP, 0 * kWordSize));
   __ ldr(R1, Address(SP, 1 * kWordSize));
   __ cmp(R0, Operand(R1));
   __ b(&true_label, EQ);
 
@@ skipping 32 matching lines @@
   // Receiver is Mint, return false if right is Smi.
   __ tsti(R0, Immediate(kSmiTagMask));
   __ b(&fall_through, NE);
   __ LoadObject(R0, Bool::False());
   __ ret();
   // TODO(srdjan): Implement Mint == Mint comparison.
 
   __ Bind(&fall_through);
 }
 
-
 void Intrinsifier::Integer_equal(Assembler* assembler) {
   Integer_equalToInteger(assembler);
 }
 
-
 void Intrinsifier::Integer_sar(Assembler* assembler) {
   Label fall_through;
 
   TestBothArgumentsSmis(assembler, &fall_through);
   // Shift amount in R0. Value to shift in R1.
 
   // Fall through if shift amount is negative.
   __ SmiUntag(R0);
   __ CompareRegisters(R0, ZR);
   __ b(&fall_through, LT);
 
   // If shift amount is bigger than 63, set to 63.
   __ LoadImmediate(TMP, 0x3F);
   __ CompareRegisters(R0, TMP);
   __ csel(R0, TMP, R0, GT);
   __ SmiUntag(R1);
   __ asrv(R0, R1, R0);
   __ SmiTag(R0);
   __ ret();
   __ Bind(&fall_through);
 }
 
-
 void Intrinsifier::Smi_bitNegate(Assembler* assembler) {
   __ ldr(R0, Address(SP, 0 * kWordSize));
   __ mvn(R0, R0);
   __ andi(R0, R0, Immediate(~kSmiTagMask));  // Remove inverted smi-tag.
   __ ret();
 }
 
-
 void Intrinsifier::Smi_bitLength(Assembler* assembler) {
   __ ldr(R0, Address(SP, 0 * kWordSize));
   __ SmiUntag(R0);
   // XOR with sign bit to complement bits if value is negative.
   __ eor(R0, R0, Operand(R0, ASR, 63));
   __ clz(R0, R0);
   __ LoadImmediate(R1, 64);
   __ sub(R0, R1, Operand(R0));
   __ SmiTag(R0);
   __ ret();
 }
 
-
 void Intrinsifier::Smi_bitAndFromSmi(Assembler* assembler) {
   Integer_bitAndFromInteger(assembler);
 }
 
-
 void Intrinsifier::Bigint_lsh(Assembler* assembler) {
   // static void _lsh(Uint32List x_digits, int x_used, int n,
   //                  Uint32List r_digits)
 
   // R2 = x_used, R3 = x_digits, x_used > 0, x_used is Smi.
   __ ldp(R2, R3, Address(SP, 2 * kWordSize, Address::PairOffset));
   __ add(R2, R2, Operand(2));  // x_used > 0, Smi. R2 = x_used + 1, round up.
   __ AsrImmediate(R2, R2, 2);  // R2 = num of digit pairs to read.
   // R4 = r_digits, R5 = n, n is Smi, n % _DIGIT_BITS != 0.
   __ ldp(R4, R5, Address(SP, 0 * kWordSize, Address::PairOffset));
   __ SmiUntag(R5);
   // R0 = n ~/ (2*_DIGIT_BITS)
   __ AsrImmediate(R0, R5, 6);
   // R6 = &x_digits[0]
   __ add(R6, R3, Operand(TypedData::data_offset() - kHeapObjectTag));
   // R7 = &x_digits[2*R2]
   __ add(R7, R6, Operand(R2, LSL, 3));
   // R8 = &r_digits[2*1]
-  __ add(R8, R4, Operand(TypedData::data_offset() - kHeapObjectTag +
-                         2 * Bigint::kBytesPerDigit));
+  __ add(R8, R4,
+         Operand(TypedData::data_offset() - kHeapObjectTag +
+                 2 * Bigint::kBytesPerDigit));
   // R8 = &r_digits[2*(R2 + n ~/ (2*_DIGIT_BITS) + 1)]
   __ add(R0, R0, Operand(R2));
   __ add(R8, R8, Operand(R0, LSL, 3));
   // R3 = n % (2 * _DIGIT_BITS)
   __ AndImmediate(R3, R5, 63);
   // R2 = 64 - R3
   __ LoadImmediate(R2, 64);
   __ sub(R2, R2, Operand(R3));
   __ mov(R1, ZR);
   Label loop;
   __ Bind(&loop);
   __ ldr(R0, Address(R7, -2 * Bigint::kBytesPerDigit, Address::PreIndex));
   __ lsrv(R4, R0, R2);
   __ orr(R1, R1, Operand(R4));
   __ str(R1, Address(R8, -2 * Bigint::kBytesPerDigit, Address::PreIndex));
   __ lslv(R1, R0, R3);
   __ cmp(R7, Operand(R6));
   __ b(&loop, NE);
   __ str(R1, Address(R8, -2 * Bigint::kBytesPerDigit, Address::PreIndex));
   // Returning Object::null() is not required, since this method is private.
   __ ret();
 }
 
-
 void Intrinsifier::Bigint_rsh(Assembler* assembler) {
   // static void _lsh(Uint32List x_digits, int x_used, int n,
   //                  Uint32List r_digits)
 
   // R2 = x_used, R3 = x_digits, x_used > 0, x_used is Smi.
   __ ldp(R2, R3, Address(SP, 2 * kWordSize, Address::PairOffset));
   __ add(R2, R2, Operand(2));  // x_used > 0, Smi. R2 = x_used + 1, round up.
   __ AsrImmediate(R2, R2, 2);  // R2 = num of digit pairs to read.
   // R4 = r_digits, R5 = n, n is Smi, n % _DIGIT_BITS != 0.
   __ ldp(R4, R5, Address(SP, 0 * kWordSize, Address::PairOffset));
@@ skipping 27 matching lines @@
   __ str(R1, Address(R8, 2 * Bigint::kBytesPerDigit, Address::PostIndex));
   __ lsrv(R1, R0, R3);
   __ Bind(&loop_entry);
   __ cmp(R8, Operand(R6));
   __ b(&loop, NE);
   __ str(R1, Address(R8, 0));
   // Returning Object::null() is not required, since this method is private.
   __ ret();
 }
 
-
 void Intrinsifier::Bigint_absAdd(Assembler* assembler) {
   // static void _absAdd(Uint32List digits, int used,
   //                     Uint32List a_digits, int a_used,
   //                     Uint32List r_digits)
 
   // R2 = used, R3 = digits
   __ ldp(R2, R3, Address(SP, 3 * kWordSize, Address::PairOffset));
   __ add(R2, R2, Operand(2));  // used > 0, Smi. R2 = used + 1, round up.
   __ add(R2, ZR, Operand(R2, ASR, 2));  // R2 = num of digit pairs to process.
   // R3 = &digits[0]
@@ skipping 45 matching lines @@
   Label done;
   __ b(&done, CC);
   __ LoadImmediate(R0, 1);
   __ str(R0, Address(R6, 0));
 
   __ Bind(&done);
   // Returning Object::null() is not required, since this method is private.
   __ ret();
 }
 
-
 void Intrinsifier::Bigint_absSub(Assembler* assembler) {
   // static void _absSub(Uint32List digits, int used,
   //                     Uint32List a_digits, int a_used,
   //                     Uint32List r_digits)
 
   // R2 = used, R3 = digits
   __ ldp(R2, R3, Address(SP, 3 * kWordSize, Address::PairOffset));
   __ add(R2, R2, Operand(2));  // used > 0, Smi. R2 = used + 1, round up.
   __ add(R2, ZR, Operand(R2, ASR, 2));  // R2 = num of digit pairs to process.
   // R3 = &digits[0]
@@ skipping 39 matching lines @@
   __ sbcs(R0, R0, ZR);
   __ sub(R9, R3, Operand(R8));  // Does not affect carry flag.
   __ str(R0, Address(R6, 2 * Bigint::kBytesPerDigit, Address::PostIndex));
   __ cbnz(&carry_loop, R9);
 
   __ Bind(&done);
   // Returning Object::null() is not required, since this method is private.
   __ ret();
 }
 
-
 void Intrinsifier::Bigint_mulAdd(Assembler* assembler) {
   // Pseudo code:
   // static int _mulAdd(Uint32List x_digits, int xi,
   //                    Uint32List m_digits, int i,
   //                    Uint32List a_digits, int j, int n) {
   //   uint64_t x = x_digits[xi >> 1 .. (xi >> 1) + 1];  // xi is Smi and even.
   //   if (x == 0 || n == 0) {
   //     return 2;
   //   }
   //   uint64_t* mip = &m_digits[i >> 1];  // i is Smi and even.
@@ skipping 90 matching lines @@
   __ ldr(R0, Address(R5, 0));
   __ adds(R0, R0, Operand(1));
   __ str(R0, Address(R5, 2 * Bigint::kBytesPerDigit, Address::PostIndex));
   __ b(&propagate_carry_loop, CS);
 
   __ Bind(&done);
   __ LoadImmediate(R0, Smi::RawValue(2));  // Two digits processed.
   __ ret();
 }
 
-
 void Intrinsifier::Bigint_sqrAdd(Assembler* assembler) {
   // Pseudo code:
   // static int _sqrAdd(Uint32List x_digits, int i,
   //                    Uint32List a_digits, int used) {
   //   uint64_t* xip = &x_digits[i >> 1];  // i is Smi and even.
   //   uint64_t x = *xip++;
   //   if (x == 0) return 2;
   //   uint64_t* ajp = &a_digits[i];  // j == 2*i, i is Smi.
   //   uint64_t aj = *ajp;
   //   uint128_t t = x*x + aj;
@@ skipping 94 matching lines @@
 
   // *ajp = low64(t) = R6
   // *(ajp + 1) = high64(t) = R7
   __ stp(R6, R7, Address(R5, 0, Address::PairOffset));
 
   __ Bind(&x_zero);
   __ LoadImmediate(R0, Smi::RawValue(2));  // Two digits processed.
   __ ret();
 }
 
-
 void Intrinsifier::Bigint_estQuotientDigit(Assembler* assembler) {
   // There is no 128-bit by 64-bit division instruction on arm64, so we use two
   // 64-bit by 32-bit divisions and two 64-bit by 64-bit multiplications to
   // adjust the two 32-bit digits of the estimated quotient.
   //
   // Pseudo code:
   // static int _estQuotientDigit(Uint32List args, Uint32List digits, int i) {
   //   uint64_t yt = args[_YT_LO .. _YT];  // _YT_LO == 0, _YT == 1.
   //   uint64_t* dp = &digits[(i >> 1) - 1];  // i is Smi.
   //   uint64_t dh = dp[0];  // dh == digits[(i >> 1) - 1 .. i >> 1].
@@ skipping 153 matching lines @@
 
   __ Bind(&return_qd);
   // args[2..3] = qd
   __ str(R0, FieldAddress(
                  R4, TypedData::data_offset() + 2 * Bigint::kBytesPerDigit));
 
   __ LoadImmediate(R0, Smi::RawValue(2));  // Two digits processed.
   __ ret();
 }
 
-
 void Intrinsifier::Montgomery_mulMod(Assembler* assembler) {
   // Pseudo code:
   // static int _mulMod(Uint32List args, Uint32List digits, int i) {
   //   uint64_t rho = args[_RHO .. _RHO_HI];  // _RHO == 2, _RHO_HI == 3.
   //   uint64_t d = digits[i >> 1 .. (i >> 1) + 1];  // i is Smi and even.
   //   uint128_t t = rho*d;
   //   args[_MU .. _MU_HI] = t mod DIGIT_BASE^2;  // _MU == 4, _MU_HI == 5.
   //   return 2;
   // }
 
@@ skipping 14 matching lines @@
   __ mul(R0, R2, R3);  // R0 = low64(R2*R3).
 
   // args[4 .. 5] = R0
   __ str(R0, FieldAddress(
                  R4, TypedData::data_offset() + 4 * Bigint::kBytesPerDigit));
 
   __ LoadImmediate(R0, Smi::RawValue(2));  // Two digits processed.
   __ ret();
 }
 
-
 // Check if the last argument is a double, jump to label 'is_smi' if smi
 // (easy to convert to double), otherwise jump to label 'not_double_smi',
 // Returns the last argument in R0.
 static void TestLastArgumentIsDouble(Assembler* assembler,
                                      Label* is_smi,
                                      Label* not_double_smi) {
   __ ldr(R0, Address(SP, 0 * kWordSize));
   __ tsti(R0, Immediate(kSmiTagMask));
   __ b(is_smi, EQ);
   __ CompareClassId(R0, kDoubleCid);
   __ b(not_double_smi, NE);
   // Fall through with Double in R0.
 }
 
-
 // Both arguments on stack, arg0 (left) is a double, arg1 (right) is of unknown
 // type. Return true or false object in the register R0. Any NaN argument
 // returns false. Any non-double arg1 causes control flow to fall through to the
 // slow case (compiled method body).
 static void CompareDoubles(Assembler* assembler, Condition true_condition) {
   Label fall_through, is_smi, double_op, not_nan;
 
   TestLastArgumentIsDouble(assembler, &is_smi, &fall_through);
   // Both arguments are double, right operand is in R0.
 
@@ skipping 12 matching lines @@
   __ csel(R0, TMP, R0, true_condition);
   __ ret();
 
   __ Bind(&is_smi);  // Convert R0 to a double.
   __ SmiUntag(R0);
   __ scvtfdx(V1, R0);
   __ b(&double_op);  // Then do the comparison.
   __ Bind(&fall_through);
 }
 
-
 void Intrinsifier::Double_greaterThan(Assembler* assembler) {
   CompareDoubles(assembler, HI);
 }
 
-
 void Intrinsifier::Double_greaterEqualThan(Assembler* assembler) {
   CompareDoubles(assembler, CS);
 }
 
-
 void Intrinsifier::Double_lessThan(Assembler* assembler) {
   CompareDoubles(assembler, CC);
 }
 
-
 void Intrinsifier::Double_equal(Assembler* assembler) {
   CompareDoubles(assembler, EQ);
 }
 
-
 void Intrinsifier::Double_lessEqualThan(Assembler* assembler) {
   CompareDoubles(assembler, LS);
 }
 
-
 // Expects left argument to be double (receiver). Right argument is unknown.
 // Both arguments are on stack.
 static void DoubleArithmeticOperations(Assembler* assembler, Token::Kind kind) {
   Label fall_through, is_smi, double_op;
 
   TestLastArgumentIsDouble(assembler, &is_smi, &fall_through);
   // Both arguments are double, right operand is in R0.
   __ LoadDFieldFromOffset(V1, R0, Double::value_offset());
   __ Bind(&double_op);
   __ ldr(R0, Address(SP, 1 * kWordSize));  // Left argument.
@@ skipping 21 matching lines @@
   __ ret();
 
   __ Bind(&is_smi);  // Convert R0 to a double.
   __ SmiUntag(R0);
   __ scvtfdx(V1, R0);
   __ b(&double_op);
 
   __ Bind(&fall_through);
 }
 
-
 void Intrinsifier::Double_add(Assembler* assembler) {
   DoubleArithmeticOperations(assembler, Token::kADD);
 }
 
-
 void Intrinsifier::Double_mul(Assembler* assembler) {
   DoubleArithmeticOperations(assembler, Token::kMUL);
 }
 
-
 void Intrinsifier::Double_sub(Assembler* assembler) {
   DoubleArithmeticOperations(assembler, Token::kSUB);
 }
 
-
 void Intrinsifier::Double_div(Assembler* assembler) {
   DoubleArithmeticOperations(assembler, Token::kDIV);
 }
 
-
 // Left is double right is integer (Bigint, Mint or Smi)
 void Intrinsifier::Double_mulFromInteger(Assembler* assembler) {
   Label fall_through;
   // Only smis allowed.
   __ ldr(R0, Address(SP, 0 * kWordSize));
   __ tsti(R0, Immediate(kSmiTagMask));
   __ b(&fall_through, NE);
   // Is Smi.
   __ SmiUntag(R0);
   __ scvtfdx(V1, R0);
   __ ldr(R0, Address(SP, 1 * kWordSize));
   __ LoadDFieldFromOffset(V0, R0, Double::value_offset());
   __ fmuld(V0, V0, V1);
   const Class& double_class =
       Class::Handle(Isolate::Current()->object_store()->double_class());
   __ TryAllocate(double_class, &fall_through, R0, R1);
   __ StoreDFieldToOffset(V0, R0, Double::value_offset());
   __ ret();
   __ Bind(&fall_through);
 }
 
-
 void Intrinsifier::DoubleFromInteger(Assembler* assembler) {
   Label fall_through;
 
   __ ldr(R0, Address(SP, 0 * kWordSize));
   __ tsti(R0, Immediate(kSmiTagMask));
   __ b(&fall_through, NE);
   // Is Smi.
   __ SmiUntag(R0);
   __ scvtfdx(V0, R0);
   const Class& double_class =
       Class::Handle(Isolate::Current()->object_store()->double_class());
   __ TryAllocate(double_class, &fall_through, R0, R1);
   __ StoreDFieldToOffset(V0, R0, Double::value_offset());
   __ ret();
   __ Bind(&fall_through);
 }
 
-
 void Intrinsifier::Double_getIsNaN(Assembler* assembler) {
   __ ldr(R0, Address(SP, 0 * kWordSize));
   __ LoadDFieldFromOffset(V0, R0, Double::value_offset());
   __ fcmpd(V0, V0);
   __ LoadObject(TMP, Bool::False());
   __ LoadObject(R0, Bool::True());
   __ csel(R0, TMP, R0, VC);
   __ ret();
 }
 
-
 void Intrinsifier::Double_getIsInfinite(Assembler* assembler) {
   __ ldr(R0, Address(SP, 0 * kWordSize));
   __ LoadFieldFromOffset(R0, R0, Double::value_offset());
   // Mask off the sign.
   __ AndImmediate(R0, R0, 0x7FFFFFFFFFFFFFFFLL);
   // Compare with +infinity.
   __ CompareImmediate(R0, 0x7FF0000000000000LL);
   __ LoadObject(R0, Bool::False());
   __ LoadObject(TMP, Bool::True());
   __ csel(R0, TMP, R0, EQ);
   __ ret();
 }
 
-
 void Intrinsifier::Double_getIsNegative(Assembler* assembler) {
   const Register false_reg = R0;
   const Register true_reg = R2;
   Label is_false, is_true, is_zero;
 
   __ ldr(R0, Address(SP, 0 * kWordSize));
   __ LoadDFieldFromOffset(V0, R0, Double::value_offset());
   __ fcmpdz(V0);
   __ LoadObject(true_reg, Bool::True());
   __ LoadObject(false_reg, Bool::False());
   __ b(&is_false, VS);  // NaN -> false.
   __ b(&is_zero, EQ);   // Check for negative zero.
   __ b(&is_false, CS);  // >= 0 -> false.
 
   __ Bind(&is_true);
   __ mov(R0, true_reg);
 
   __ Bind(&is_false);
   __ ret();
 
   __ Bind(&is_zero);
   // Check for negative zero by looking at the sign bit.
   __ fmovrd(R1, V0);
   __ LsrImmediate(R1, R1, 63);
   __ tsti(R1, Immediate(1));
   __ csel(R0, true_reg, false_reg, NE);  // Sign bit set.
   __ ret();
 }
 
-
 void Intrinsifier::DoubleToInteger(Assembler* assembler) {
   Label fall_through;
 
   __ ldr(R0, Address(SP, 0 * kWordSize));
   __ LoadDFieldFromOffset(V0, R0, Double::value_offset());
 
   // Explicit NaN check, since ARM gives an FPU exception if you try to
   // convert NaN to an int.
   __ fcmpd(V0, V0);
   __ b(&fall_through, VS);
 
   __ fcvtzds(R0, V0);
   // Overflow is signaled with minint.
   // Check for overflow and that it fits into Smi.
   __ CompareImmediate(R0, 0xC000000000000000);
   __ b(&fall_through, MI);
   __ SmiTag(R0);
   __ ret();
   __ Bind(&fall_through);
 }
 
-
 void Intrinsifier::MathSqrt(Assembler* assembler) {
   Label fall_through, is_smi, double_op;
   TestLastArgumentIsDouble(assembler, &is_smi, &fall_through);
   // Argument is double and is in R0.
   __ LoadDFieldFromOffset(V1, R0, Double::value_offset());
   __ Bind(&double_op);
   __ fsqrtd(V0, V1);
   const Class& double_class =
       Class::Handle(Isolate::Current()->object_store()->double_class());
   __ TryAllocate(double_class, &fall_through, R0, R1);
   __ StoreDFieldToOffset(V0, R0, Double::value_offset());
   __ ret();
   __ Bind(&is_smi);
   __ SmiUntag(R0);
   __ scvtfdx(V1, R0);
   __ b(&double_op);
   __ Bind(&fall_through);
 }
 
-
 //    var state = ((_A * (_state[kSTATE_LO])) + _state[kSTATE_HI]) & _MASK_64;
 //    _state[kSTATE_LO] = state & _MASK_32;
 //    _state[kSTATE_HI] = state >> 32;
 void Intrinsifier::Random_nextState(Assembler* assembler) {
   const Library& math_lib = Library::Handle(Library::MathLibrary());
   ASSERT(!math_lib.IsNull());
   const Class& random_class =
       Class::Handle(math_lib.LookupClassAllowPrivate(Symbols::_Random()));
   ASSERT(!random_class.IsNull());
   const Field& state_field = Field::ZoneHandle(
@@ skipping 23 matching lines @@
   __ LoadImmediate(R0, a_int_value);
   __ LoadFromOffset(R2, R1, disp);
   __ LsrImmediate(R3, R2, 32);
   __ andi(R2, R2, Immediate(0xffffffff));
   __ mul(R2, R0, R2);
   __ add(R2, R2, Operand(R3));
   __ StoreToOffset(R2, R1, disp);
   __ ret();
 }
 
-
 void Intrinsifier::ObjectEquals(Assembler* assembler) {
   __ ldr(R0, Address(SP, 0 * kWordSize));
   __ ldr(R1, Address(SP, 1 * kWordSize));
   __ cmp(R0, Operand(R1));
   __ LoadObject(R0, Bool::False());
   __ LoadObject(TMP, Bool::True());
   __ csel(R0, TMP, R0, EQ);
   __ ret();
 }
 
-
 static void RangeCheck(Assembler* assembler,
                        Register val,
                        Register tmp,
                        intptr_t low,
                        intptr_t high,
                        Condition cc,
                        Label* target) {
   __ AddImmediate(tmp, val, -low);
   __ CompareImmediate(tmp, high - low);
   __ b(target, cc);
 }
 
-
 const Condition kIfNotInRange = HI;
 const Condition kIfInRange = LS;
 
-
 static void JumpIfInteger(Assembler* assembler,
                           Register cid,
                           Register tmp,
                           Label* target) {
   RangeCheck(assembler, cid, tmp, kSmiCid, kBigintCid, kIfInRange, target);
 }
 
-
 static void JumpIfNotInteger(Assembler* assembler,
                              Register cid,
                              Register tmp,
                              Label* target) {
   RangeCheck(assembler, cid, tmp, kSmiCid, kBigintCid, kIfNotInRange, target);
 }
 
-
 static void JumpIfString(Assembler* assembler,
                          Register cid,
                          Register tmp,
                          Label* target) {
   RangeCheck(assembler, cid, tmp, kOneByteStringCid, kExternalTwoByteStringCid,
              kIfInRange, target);
 }
 
-
 static void JumpIfNotString(Assembler* assembler,
                             Register cid,
                             Register tmp,
                             Label* target) {
   RangeCheck(assembler, cid, tmp, kOneByteStringCid, kExternalTwoByteStringCid,
              kIfNotInRange, target);
 }
 
-
 // Return type quickly for simple types (not parameterized and not signature).
 void Intrinsifier::ObjectRuntimeType(Assembler* assembler) {
   Label fall_through, use_canonical_type, not_double, not_integer;
   __ ldr(R0, Address(SP, 0 * kWordSize));
   __ LoadClassIdMayBeSmi(R1, R0);
 
   __ CompareImmediate(R1, kClosureCid);
   __ b(&fall_through, EQ);  // Instance is a closure.
 
   __ CompareImmediate(R1, kNumPredefinedCids);
@@ skipping 28 matching lines @@
   __ b(&fall_through, NE);
 
   __ ldr(R0, FieldAddress(R2, Class::canonical_type_offset()));
   __ CompareObject(R0, Object::null_object());
   __ b(&fall_through, EQ);
   __ ret();
 
   __ Bind(&fall_through);
 }
 
-
 void Intrinsifier::ObjectHaveSameRuntimeType(Assembler* assembler) {
   Label fall_through, different_cids, equal, not_equal, not_integer;
   __ ldr(R0, Address(SP, 0 * kWordSize));
   __ LoadClassIdMayBeSmi(R1, R0);
 
   // Check if left hand size is a closure. Closures are handled in the runtime.
   __ CompareImmediate(R1, kClosureCid);
   __ b(&fall_through, EQ);
 
   __ ldr(R0, Address(SP, 1 * kWordSize));
@@ skipping 34 matching lines @@
   JumpIfString(assembler, R2, R0, &equal);
 
   // Neither strings nor integers and have different class ids.
   __ Bind(&not_equal);
   __ LoadObject(R0, Bool::False());
   __ ret();
 
   __ Bind(&fall_through);
 }
 
-
 void Intrinsifier::String_getHashCode(Assembler* assembler) {
   Label fall_through;
   __ ldr(R0, Address(SP, 0 * kWordSize));
   __ ldr(R0, FieldAddress(R0, String::hash_offset()), kUnsignedWord);
   __ adds(R0, R0, Operand(R0));  // Smi tag the hash code, setting Z flag.
   __ b(&fall_through, EQ);
   __ ret();
   // Hash not yet computed.
   __ Bind(&fall_through);
 }
 
-
 void Intrinsifier::Object_getHash(Assembler* assembler) {
   __ ldr(R0, Address(SP, 0 * kWordSize));
   __ ldr(R0, FieldAddress(R0, String::hash_offset()), kUnsignedWord);
   __ SmiTag(R0);
   __ ret();
 }
 
-
 void Intrinsifier::Object_setHash(Assembler* assembler) {
   __ ldr(R0, Address(SP, 1 * kWordSize));  // Object.
   __ ldr(R1, Address(SP, 0 * kWordSize));  // Value.
   __ SmiUntag(R1);
   __ str(R1, FieldAddress(R0, String::hash_offset()), kUnsignedWord);
   __ ret();
 }
 
-
 void GenerateSubstringMatchesSpecialization(Assembler* assembler,
                                             intptr_t receiver_cid,
                                             intptr_t other_cid,
                                             Label* return_true,
                                             Label* return_false) {
   __ SmiUntag(R1);
   __ ldr(R8, FieldAddress(R0, String::length_offset()));  // this.length
   __ SmiUntag(R8);
   __ ldr(R9, FieldAddress(R2, String::length_offset()));  // other.length
   __ SmiUntag(R9);
@@ skipping 46 matching lines @@
   // i++, while (i < len)
   __ add(R3, R3, Operand(1));
   __ add(R0, R0, Operand(receiver_cid == kOneByteStringCid ? 1 : 2));
   __ add(R2, R2, Operand(other_cid == kOneByteStringCid ? 1 : 2));
   __ cmp(R3, Operand(R9));
   __ b(&loop, LT);
 
   __ b(return_true);
 }
 
-
 // bool _substringMatches(int start, String other)
 // This intrinsic handles a OneByteString or TwoByteString receiver with a
 // OneByteString other.
 void Intrinsifier::StringBaseSubstringMatches(Assembler* assembler) {
   Label fall_through, return_true, return_false, try_two_byte;
   __ ldr(R0, Address(SP, 2 * kWordSize));  // this
   __ ldr(R1, Address(SP, 1 * kWordSize));  // start
   __ ldr(R2, Address(SP, 0 * kWordSize));  // other
 
   __ tsti(R1, Immediate(kSmiTagMask));
@@ skipping 21 matching lines @@
   __ LoadObject(R0, Bool::True());
   __ ret();
 
   __ Bind(&return_false);
   __ LoadObject(R0, Bool::False());
   __ ret();
 
   __ Bind(&fall_through);
 }
 
-
 void Intrinsifier::StringBaseCharAt(Assembler* assembler) {
   Label fall_through, try_two_byte_string;
 
   __ ldr(R1, Address(SP, 0 * kWordSize));  // Index.
   __ ldr(R0, Address(SP, 1 * kWordSize));  // String.
   __ tsti(R1, Immediate(kSmiTagMask));
   __ b(&fall_through, NE);  // Index is not a Smi.
   // Range check.
   __ ldr(R2, FieldAddress(R0, String::length_offset()));
   __ cmp(R1, Operand(R2));
@@ skipping 20 matching lines @@
   __ CompareImmediate(R1, Symbols::kNumberOfOneCharCodeSymbols);
   __ b(&fall_through, GE);
   __ ldr(R0, Address(THR, Thread::predefined_symbols_address_offset()));
   __ AddImmediate(R0, Symbols::kNullCharCodeSymbolOffset * kWordSize);
   __ ldr(R0, Address(R0, R1, UXTX, Address::Scaled));
   __ ret();
 
   __ Bind(&fall_through);
 }
 
-
 void Intrinsifier::StringBaseIsEmpty(Assembler* assembler) {
   __ ldr(R0, Address(SP, 0 * kWordSize));
   __ ldr(R0, FieldAddress(R0, String::length_offset()));
   __ cmp(R0, Operand(Smi::RawValue(0)));
   __ LoadObject(R0, Bool::True());
   __ LoadObject(TMP, Bool::False());
   __ csel(R0, TMP, R0, NE);
   __ ret();
 }
 
-
 void Intrinsifier::OneByteString_getHashCode(Assembler* assembler) {
   Label compute_hash;
   __ ldr(R1, Address(SP, 0 * kWordSize));  // OneByteString object.
   __ ldr(R0, FieldAddress(R1, String::hash_offset()), kUnsignedWord);
   __ adds(R0, R0, Operand(R0));  // Smi tag the hash code, setting Z flag.
   __ b(&compute_hash, EQ);
   __ ret();  // Return if already computed.
 
   __ Bind(&compute_hash);
   __ ldr(R2, FieldAddress(R1, String::length_offset()));
@@ skipping 39 matching lines @@
   __ AndImmediate(R0, R0, (static_cast<intptr_t>(1) << String::kHashBits) - 1);
   __ CompareRegisters(R0, ZR);
   // return hash_ == 0 ? 1 : hash_;
   __ Bind(&done);
   __ csinc(R0, R0, ZR, NE);  // R0 <- (R0 != 0) ? R0 : (ZR + 1).
   __ str(R0, FieldAddress(R1, String::hash_offset()), kUnsignedWord);
   __ SmiTag(R0);
   __ ret();
 }
 
-
 // Allocates one-byte string of length 'end - start'. The content is not
 // initialized.
 // 'length-reg' (R2) contains tagged length.
 // Returns new string as tagged pointer in R0.
 static void TryAllocateOnebyteString(Assembler* assembler,
                                      Label* ok,
                                      Label* failure) {
   const Register length_reg = R2;
   Label fail;
   NOT_IN_PRODUCT(__ MaybeTraceAllocation(kOneByteStringCid, R0, failure));
@@ skipping 56 matching lines @@
 
   // Set the length field using the saved length (R6).
   __ StoreIntoObjectNoBarrier(R0, FieldAddress(R0, String::length_offset()),
                               R6);
   __ b(ok);
 
   __ Bind(&fail);
   __ b(failure);
 }
 
-
 // Arg0: OneByteString (receiver).
 // Arg1: Start index as Smi.
 // Arg2: End index as Smi.
 // The indexes must be valid.
 void Intrinsifier::OneByteString_substringUnchecked(Assembler* assembler) {
   const intptr_t kStringOffset = 2 * kWordSize;
   const intptr_t kStartIndexOffset = 1 * kWordSize;
   const intptr_t kEndIndexOffset = 0 * kWordSize;
   Label fall_through, ok;
 
@@ skipping 39 matching lines @@
   __ cmp(R2, Operand(0));
   __ str(R1, FieldAddress(R7, OneByteString::data_offset()), kUnsignedByte);
   __ AddImmediate(R7, 1);
   __ b(&loop, GT);
 
   __ Bind(&done);
   __ ret();
   __ Bind(&fall_through);
 }
 
-
 void Intrinsifier::OneByteStringSetAt(Assembler* assembler) {
   __ ldr(R2, Address(SP, 0 * kWordSize));  // Value.
   __ ldr(R1, Address(SP, 1 * kWordSize));  // Index.
   __ ldr(R0, Address(SP, 2 * kWordSize));  // OneByteString.
   __ SmiUntag(R1);
   __ SmiUntag(R2);
   __ AddImmediate(R3, R0, OneByteString::data_offset() - kHeapObjectTag);
   __ str(R2, Address(R3, R1), kUnsignedByte);
   __ ret();
 }
 
-
 void Intrinsifier::OneByteString_allocate(Assembler* assembler) {
   Label fall_through, ok;
 
   __ ldr(R2, Address(SP, 0 * kWordSize));  // Length.
   TryAllocateOnebyteString(assembler, &ok, &fall_through);
 
   __ Bind(&ok);
   __ ret();
 
   __ Bind(&fall_through);
 }
 
-
 // TODO(srdjan): Add combinations (one-byte/two-byte/external strings).
 static void StringEquality(Assembler* assembler, intptr_t string_cid) {
   Label fall_through, is_true, is_false, loop;
   __ ldr(R0, Address(SP, 1 * kWordSize));  // This.
   __ ldr(R1, Address(SP, 0 * kWordSize));  // Other.
 
   // Are identical?
   __ cmp(R0, Operand(R1));
   __ b(&is_true, EQ);
 
@@ skipping 44 matching lines @@
   __ LoadObject(R0, Bool::True());
   __ ret();
 
   __ Bind(&is_false);
   __ LoadObject(R0, Bool::False());
   __ ret();
 
   __ Bind(&fall_through);
 }
 
-
 void Intrinsifier::OneByteString_equality(Assembler* assembler) {
   StringEquality(assembler, kOneByteStringCid);
 }
 
-
 void Intrinsifier::TwoByteString_equality(Assembler* assembler) {
   StringEquality(assembler, kTwoByteStringCid);
 }
 
-
 void Intrinsifier::IntrinsifyRegExpExecuteMatch(Assembler* assembler,
                                                 bool sticky) {
   if (FLAG_interpret_irregexp) return;
 
   static const intptr_t kRegExpParamOffset = 2 * kWordSize;
   static const intptr_t kStringParamOffset = 1 * kWordSize;
   // start_index smi is located at offset 0.
 
   // Incoming registers:
   // R0: Function. (Will be reloaded with the specialized matcher function.)
@@ skipping 13 matching lines @@
   // Registers are now set up for the lazy compile stub. It expects the function
   // in R0, the argument descriptor in R4, and IC-Data in R5.
   __ eor(R5, R5, Operand(R5));
 
   // Tail-call the function.
   __ ldr(CODE_REG, FieldAddress(R0, Function::code_offset()));
   __ ldr(R1, FieldAddress(R0, Function::entry_point_offset()));
   __ br(R1);
 }
 
-
 // On stack: user tag (+0).
 void Intrinsifier::UserTag_makeCurrent(Assembler* assembler) {
   // R1: Isolate.
   __ LoadIsolate(R1);
   // R0: Current user tag.
   __ ldr(R0, Address(R1, Isolate::current_tag_offset()));
   // R2: UserTag.
   __ ldr(R2, Address(SP, +0 * kWordSize));
   // Set Isolate::current_tag_.
   __ str(R2, Address(R1, Isolate::current_tag_offset()));
   // R2: UserTag's tag.
   __ ldr(R2, FieldAddress(R2, UserTag::tag_offset()));
   // Set Isolate::user_tag_.
   __ str(R2, Address(R1, Isolate::user_tag_offset()));
   __ ret();
 }
 
-
 void Intrinsifier::UserTag_defaultTag(Assembler* assembler) {
   __ LoadIsolate(R0);
   __ ldr(R0, Address(R0, Isolate::default_tag_offset()));
   __ ret();
 }
 
-
 void Intrinsifier::Profiler_getCurrentTag(Assembler* assembler) {
   __ LoadIsolate(R0);
   __ ldr(R0, Address(R0, Isolate::current_tag_offset()));
   __ ret();
 }
 
-
 void Intrinsifier::Timeline_isDartStreamEnabled(Assembler* assembler) {
   if (!FLAG_support_timeline) {
     __ LoadObject(R0, Bool::False());
     __ ret();
     return;
   }
   // Load TimelineStream*.
   __ ldr(R0, Address(THR, Thread::dart_stream_offset()));
   // Load uintptr_t from TimelineStream*.
   __ ldr(R0, Address(R0, TimelineStream::enabled_offset()));
   __ cmp(R0, Operand(0));
   __ LoadObject(R0, Bool::False());
   __ LoadObject(TMP, Bool::True());
   __ csel(R0, TMP, R0, NE);
   __ ret();
 }
 
-
 void Intrinsifier::ClearAsyncThreadStackTrace(Assembler* assembler) {
   __ LoadObject(R0, Object::null_object());
   __ str(R0, Address(THR, Thread::async_stack_trace_offset()));
   __ ret();
 }
 
-
 void Intrinsifier::SetAsyncThreadStackTrace(Assembler* assembler) {
   __ ldr(R0, Address(THR, Thread::async_stack_trace_offset()));
   __ LoadObject(R0, Object::null_object());
   __ ret();
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM64