Generate some intrinsics using our IR.

runtime/vm/intrinsifier_arm.cc

Index: runtime/vm/intrinsifier_arm.cc
===================================================================
--- runtime/vm/intrinsifier_arm.cc	(revision 39651)
+++ runtime/vm/intrinsifier_arm.cc	(working copy)
@@ -400,50 +400,6 @@
 }
 
 
-void Intrinsifier::Uint8ArrayGetIndexed(Assembler* assembler) {
-  Label fall_through;
-  __ ldr(R0, Address(SP, + 0 * kWordSize));  // Index.
-  __ ldr(R1, Address(SP, + 1 * kWordSize));  // Array.
-  __ tst(R0, Operand(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);
-
-  __ SmiUntag(R0);
-  __ AddImmediate(R1, TypedData::data_offset() - kHeapObjectTag);
-  __ ldrb(R0, Address(R1, R0));
-  __ 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.
-  __ tst(R0, Operand(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);
-
-  __ LoadFromOffset(kWord, R1, R1,
-      ExternalTypedData::data_offset() - kHeapObjectTag);
-  __ SmiUntag(R0);
-  __ ldrb(R0, Address(R1, R0));
-  __ SmiTag(R0);
-  __ Ret();
-  __ Bind(&fall_through);
-}
-
-
 void Intrinsifier::Float64ArrayGetIndexed(Assembler* assembler) {
   if (!TargetCPUFeatures::vfp_supported()) {
     return;