Generate some intrinsics using our IR.

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"
 #include "vm/flow_graph_compiler.h"
 #include "vm/object.h"
 #include "vm/object_store.h"
 #include "vm/symbols.h"
 
 namespace dart {
 
 DECLARE_FLAG(bool, enable_type_checks);
 
 
 #define __ assembler->
 
 
-void Intrinsifier::ObjectArrayLength(Assembler* assembler) {
-  __ ldr(R0, Address(SP, 0 * kWordSize));
-  __ ldr(R0, FieldAddress(R0, Array::length_offset()));
-  __ ret();
-}
-
-
-void Intrinsifier::ImmutableArrayLength(Assembler* assembler) {
-  ObjectArrayLength(assembler);
-}
-
-
-void Intrinsifier::ObjectArrayGetIndexed(Assembler* assembler) {
-  Label fall_through;
-
-  __ ldr(R0, Address(SP, + 0 * kWordSize));  // Index
-  __ ldr(R1, Address(SP, + 1 * kWordSize));  // Array
-
-  __ tsti(R0, kSmiTagMask);
-  __ b(&fall_through, NE);  // Index is not an smi, fall through.
-
-  // Range check.
-  __ ldr(R6, FieldAddress(R1, Array::length_offset()));
-  __ cmp(R0, Operand(R6));
-  __ b(&fall_through, CS);
-
-  ASSERT(kSmiTagShift == 1);
-  // array element at R1 + R0*4 + Array::data_offset - 1
-  __ add(R6, R1, Operand(R0, LSL, 2));
-  __ ldr(R0, FieldAddress(R6, Array::data_offset()));
-  __ ret();
-  __ Bind(&fall_through);
-}
-
-
-void Intrinsifier::ImmutableArrayGetIndexed(Assembler* assembler) {
-  ObjectArrayGetIndexed(assembler);
-}
+intptr_t Intrinsifier::ParameterSlotFromSp() { return -1; }
 
 
 static intptr_t ComputeObjectArrayTypeArgumentsOffset() {
   const Library& core_lib = Library::Handle(Library::CoreLibrary());
   const Class& cls = Class::Handle(
       core_lib.LookupClassAllowPrivate(Symbols::_List()));
   ASSERT(!cls.IsNull());
   ASSERT(cls.NumTypeArguments() == 1);
   const intptr_t field_offset = cls.type_arguments_field_offset();
   ASSERT(field_offset != Class::kNoTypeArguments);
@@ skipping 95 matching lines @@
 
   // Set the length field in the growable array object to 0.
   __ LoadImmediate(R1, 0, kNoPP);
   __ str(R1, FieldAddress(R0, GrowableObjectArray::length_offset()));
   __ ret();  // Returns the newly allocated object in R0.
 
   __ Bind(&fall_through);
 }
 
 
-void Intrinsifier::GrowableArrayLength(Assembler* assembler) {
-  __ ldr(R0, Address(SP, 0 * kWordSize));
-  __ ldr(R0, FieldAddress(R0, GrowableObjectArray::length_offset()));
-  __ ret();
-}
-
-
-void Intrinsifier::GrowableArrayCapacity(Assembler* assembler) {
-  __ ldr(R0, Address(SP, 0 * kWordSize));
-  __ ldr(R0, FieldAddress(R0, GrowableObjectArray::data_offset()));
-  __ ldr(R0, FieldAddress(R0, Array::length_offset()));
-  __ ret();
-}
-
-
 void Intrinsifier::GrowableArrayGetIndexed(Assembler* assembler) {
   Label fall_through;
 
   __ ldr(R0, Address(SP, + 0 * kWordSize));  // Index
   __ ldr(R1, Address(SP, + 1 * kWordSize));  // Array
 
   __ tsti(R0, kSmiTagMask);
   __ b(&fall_through, NE);  // Index is not an smi, fall through.
 
   // Range check.
@@ skipping 107 matching lines @@
   __ add(R1, R2, Operand(R1, LSL, 2));
   __ StoreIntoObject(R2,
                      FieldAddress(R1, Array::data_offset()),
                      R0);
   __ LoadObject(R0, Object::null_object(), PP);
   __ ret();
   __ Bind(&fall_through);
 }
 
 
-// Gets the length of a TypedData.
-void Intrinsifier::TypedDataLength(Assembler* assembler) {
-  __ ldr(R0, Address(SP, 0 * kWordSize));
-  __ ldr(R0, FieldAddress(R0, TypedData::length_offset()));
-  __ ret();
-}
-
-
-void Intrinsifier::Uint8ArrayGetIndexed(Assembler* assembler) {
-  Label fall_through;
-  __ ldr(R0, Address(SP, + 0 * kWordSize));  // Index.
-  __ ldr(R1, Address(SP, + 1 * kWordSize));  // Array.
-  __ tsti(R0, kSmiTagMask);
-  __ b(&fall_through, NE);  // Index is not a smi, fall through.
-
-  // Range check.
-  __ ldr(R6, FieldAddress(R1, TypedData::length_offset()));
-  __ cmp(R0, Operand(R6));
-  __ b(&fall_through, CS);
-
-  // Array element at R1 + R0 + TypedData::data_offset - 1.
-  // Untag R0.
-  __ add(R1, R1, Operand(R0, LSR, 1));
-  __ ldr(R0, FieldAddress(R1, TypedData::data_offset()), kUnsignedByte);
-  __ SmiTag(R0);
-  __ ret();
-  __ Bind(&fall_through);
-}
-
-
-void Intrinsifier::ExternalUint8ArrayGetIndexed(Assembler* assembler) {
-  Label fall_through;
-
-  __ ldr(R0, Address(SP, + 0 * kWordSize));  // Index.
-  __ ldr(R1, Address(SP, + 1 * kWordSize));  // Array.
-  __ tsti(R0, kSmiTagMask);
-  __ b(&fall_through, NE);  // Index is not a smi, fall through.
-
-  // Range check.
-  __ ldr(R6, FieldAddress(R1, TypedData::length_offset()));
-  __ cmp(R0, Operand(R6));
-  __ b(&fall_through, CS);
-
-  __ ldr(R1, FieldAddress(R1, ExternalTypedData::data_offset()));
-
-  // Untag R0.
-  __ add(R1, R1, Operand(R0, LSR, 1));
-  __ ldr(R0, Address(R1, 0), kUnsignedByte);
-  __ SmiTag(R0);
-  __ ret();
-  __ Bind(&fall_through);
-}
-
-
-void Intrinsifier::Float64ArrayGetIndexed(Assembler* assembler) {
-  Label fall_through;
-  __ ldr(R0, Address(SP, + 0 * kWordSize));  // Index.
-  __ ldr(R1, Address(SP, + 1 * kWordSize));  // Array.
-  __ tsti(R0, kSmiTagMask);
-  __ b(&fall_through, NE);  // Index is not a smi, fall through.
-
-  // Range check.
-  __ ldr(R6, FieldAddress(R1, TypedData::length_offset()));
-  __ cmp(R0, Operand(R6));
-  __ b(&fall_through, CS);
-
-  Address element_address =
-      __ ElementAddressForRegIndex(true,  // Load.
-                                   false,  // Not external.
-                                   kTypedDataFloat64ArrayCid,  // Cid.
-                                   8,  // Index scale.
-                                   R1,  // Array.
-                                   R0);  // Index.
-
-  __ fldrd(V0, element_address);
-
-  const Class& double_class = Class::Handle(
-      Isolate::Current()->object_store()->double_class());
-  __ TryAllocate(double_class,
-                 &fall_through,
-                 R0,  // Result register.
-                 R1,  // Temp register.
-                 kNoPP);
-  __ StoreDFieldToOffset(V0, R0, Double::value_offset(), kNoPP);
-  __ ret();
-  __ Bind(&fall_through);
-}
-
-
-void Intrinsifier::Float64ArraySetIndexed(Assembler* assembler) {
-  Label fall_through;
-  __ ldr(R0, Address(SP, + 1 * kWordSize));  // Index.
-  __ ldr(R1, Address(SP, + 2 * kWordSize));  // Array.
-  __ tsti(R0, kSmiTagMask);
-  __ b(&fall_through, NE);  // Index is not a smi, fall through.
-
-  // Range check.
-  __ ldr(R6, FieldAddress(R1, TypedData::length_offset()));
-  __ cmp(R0, Operand(R6));
-  __ b(&fall_through, CS);
-
-  __ ldr(R2, Address(SP, + 0 * kWordSize));  // Value.
-  __ tsti(R2, kSmiTagMask);
-  __ b(&fall_through, EQ);  // Value is Smi, fall through.
-
-  __ LoadClassId(R3, R2, kNoPP);
-  __ CompareImmediate(R3, kDoubleCid, kNoPP);
-  __ b(&fall_through, NE);  // Not a Double, fall through.
-
-  __ LoadDFieldFromOffset(V0, R2, Double::value_offset(), kNoPP);
-
-  Address element_address =
-      __ ElementAddressForRegIndex(false,  // Store.
-                                   false,  // Not external.
-                                   kTypedDataFloat64ArrayCid,  // Cid.
-                                   8,  // Index scale.
-                                   R1,  // Array.
-                                   R0);  // Index.
-  __ fstrd(V0, element_address);
-  __ 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;
@@ skipping 796 matching lines @@
   __ ldr(R0, Address(SP, 0 * kWordSize));
   __ ldr(R0, FieldAddress(R0, String::hash_offset()));
   __ CompareRegisters(R0, ZR);
   __ b(&fall_through, EQ);
   __ ret();
   // Hash not yet computed.
   __ Bind(&fall_through);
 }
 
 
-void Intrinsifier::StringBaseLength(Assembler* assembler) {
-  __ ldr(R0, Address(SP, 0 * kWordSize));
-  __ ldr(R0, FieldAddress(R0, String::length_offset()));
-  __ ret();
-}
-
-
 void Intrinsifier::StringBaseCodeUnitAt(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, kSmiTagMask);
   __ b(&fall_through, NE);  // Index is not a Smi.
   // Range check.
   __ ldr(R2, FieldAddress(R0, String::length_offset()));
   __ cmp(R1, Operand(R2));
@@ skipping 406 matching lines @@
   Isolate* isolate = Isolate::Current();
   __ LoadImmediate(R1, reinterpret_cast<uword>(isolate), kNoPP);
   // Set return value to Isolate::current_tag_.
   __ ldr(R0, Address(R1, Isolate::current_tag_offset()));
   __ ret();
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM64