Beings adding SIMD support to arm64.

runtime/vm/stub_code_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"
 #if defined(TARGET_ARCH_ARM64)
 
 #include "vm/assembler.h"
 #include "vm/code_generator.h"
 #include "vm/compiler.h"
@@ skipping 643 matching lines @@
   __ b(&slow_case, CS);  // Branch if unsigned higher or equal.
 
   // Successfully allocated the object(s), now update top to point to
   // next object start and initialize the object.
   // R0: potential new object start.
   // R3: array size.
   // R7: potential next object start.
   // R8: Points to new space object.
   __ StoreToOffset(R7, R8, Scavenger::top_offset(), kNoPP);
   __ add(R0, R0, Operand(kHeapObjectTag));
-  __ UpdateAllocationStatsWithSize(kArrayCid, R3, R8, kNoPP);
+  __ UpdateAllocationStatsWithSize(kArrayCid, R3, kNoPP);
 
   // R0: new object start as a tagged pointer.
   // R1: array element type.
   // R2: array length as Smi.
   // R3: array size.
   // R7: new object end address.
 
   // Store the type argument field.
   __ StoreIntoObjectOffsetNoBarrier(
       R0, Array::type_arguments_offset(), R1, PP);
@@ skipping 256 matching lines @@
     }
 
     // Successfully allocated the object, now update top to point to
     // next object start and initialize the object.
     // R0: new object.
     // R1: number of context variables.
     // R2: object size.
     // R3: next object start.
     __ str(R3, Address(R5));
     __ add(R0, R0, Operand(kHeapObjectTag));
-    __ UpdateAllocationStatsWithSize(context_class.id(), R2, R5, kNoPP);
+    __ UpdateAllocationStatsWithSize(context_class.id(), R2, kNoPP);
 
     // Calculate the size tag.
     // R0: new object.
     // R1: number of context variables.
     // R2: object size.
     const intptr_t shift = RawObject::kSizeTagPos - kObjectAlignmentLog2;
     __ CompareImmediate(R2, RawObject::SizeTag::kMaxSizeTag, kNoPP);
     // If no size tag overflow, shift R2 left, else set R2 to zero.
     __ Lsl(TMP, R2, shift);
     __ csel(R2, TMP, R2, LS);
@@ skipping 161 matching lines @@
     // R3: potential next object start.
     __ LoadImmediate(TMP, heap->EndAddress(), kNoPP);
     __ ldr(TMP, Address(TMP));
     __ CompareRegisters(R3, TMP);
     if (FLAG_use_slow_path) {
       __ b(&slow_case);
     } else {
       __ b(&slow_case, CS);  // Unsigned higher or equal.
     }
     __ str(R3, Address(R5));
-    __ UpdateAllocationStats(cls.id(), R5, kNoPP);
+    __ UpdateAllocationStats(cls.id(), kNoPP);
 
     // R2: new object start.
     // R3: next object start.
     // R1: new object type arguments (if is_cls_parameterized).
     // Set the tags.
     uword tags = 0;
     tags = RawObject::SizeTag::update(instance_size, tags);
     ASSERT(cls.id() != kIllegalCid);
     tags = RawObject::ClassIdTag::update(cls.id(), tags);
     __ LoadImmediate(R0, tags, kNoPP);
@@ skipping 780 matching lines @@
   const Register right = R0;
   __ LoadFromOffset(left, SP, 1 * kWordSize, kNoPP);
   __ LoadFromOffset(right, SP, 0 * kWordSize, kNoPP);
   GenerateIdenticalWithNumberCheckStub(assembler, left, right, temp);
   __ ret();
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM64