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"
@@ skipping 306 matching lines @@
 
 
 // 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));
@@ skipping 1299 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