Generate some intrinsics using our IR.

runtime/vm/intrinsifier_x64.cc

Index: runtime/vm/intrinsifier_x64.cc
===================================================================
--- runtime/vm/intrinsifier_x64.cc	(revision 39909)
+++ runtime/vm/intrinsifier_x64.cc	(working copy)
@@ -27,41 +27,9 @@
 #define __ assembler->
 
 
-void Intrinsifier::ObjectArrayLength(Assembler* assembler) {
-  __ movq(RAX, Address(RSP, + 1 * kWordSize));
-  __ movq(RAX, FieldAddress(RAX, Array::length_offset()));
-  __ ret();
-}
+intptr_t Intrinsifier::ParameterSlotFromSp() { return 0; }
 
 
-void Intrinsifier::ImmutableArrayLength(Assembler* assembler) {
-  ObjectArrayLength(assembler);
-}
-
-
-void Intrinsifier::ObjectArrayGetIndexed(Assembler* assembler) {
-  Label fall_through;
-  __ movq(RCX, Address(RSP, + 1 * kWordSize));  // Index.
-  __ movq(RAX, Address(RSP, + 2 * kWordSize));  // Array.
-  __ testq(RCX, Immediate(kSmiTagMask));
-  __ j(NOT_ZERO, &fall_through, Assembler::kNearJump);  // Non-smi index.
-  // Range check.
-  __ cmpq(RCX, FieldAddress(RAX, Array::length_offset()));
-  // Runtime throws exception.
-  __ j(ABOVE_EQUAL, &fall_through, Assembler::kNearJump);
-  // Note that RBX is Smi, i.e, times 2.
-  ASSERT(kSmiTagShift == 1);
-  __ movq(RAX, FieldAddress(RAX, RCX, TIMES_4, Array::data_offset()));
-  __ ret();
-  __ Bind(&fall_through);
-}
-
-
-void Intrinsifier::ImmutableArrayGetIndexed(Assembler* assembler) {
-  ObjectArrayGetIndexed(assembler);
-}
-
-
 void Intrinsifier::ObjectArraySetIndexed(Assembler* assembler) {
   if (FLAG_enable_type_checks) {
     return;
@@ -128,23 +96,6 @@
 }
 
 
-// Get length of growable object array.
-// On stack: growable array (+1), return-address (+0).
-void Intrinsifier::GrowableArrayLength(Assembler* assembler) {
-  __ movq(RAX, Address(RSP, + 1 * kWordSize));
-  __ movq(RAX, FieldAddress(RAX, GrowableObjectArray::length_offset()));
-  __ ret();
-}
-
-
-void Intrinsifier::GrowableArrayCapacity(Assembler* assembler) {
-  __ movq(RAX, Address(RSP, + 1 * kWordSize));
-  __ movq(RAX, FieldAddress(RAX, GrowableObjectArray::data_offset()));
-  __ movq(RAX, FieldAddress(RAX, Array::length_offset()));
-  __ ret();
-}
-
-
 // Access growable object array at specified index.
 // On stack: growable array (+2), index (+1), return-address (+0).
 void Intrinsifier::GrowableArrayGetIndexed(Assembler* assembler) {
@@ -358,120 +309,6 @@
   __ Bind(&fall_through);                                                      \
 
 
-// Gets the length of a TypedData.
-void Intrinsifier::TypedDataLength(Assembler* assembler) {
-  __ movq(RAX, Address(RSP, + 1 * kWordSize));
-  __ movq(RAX, FieldAddress(RAX, TypedData::length_offset()));
-  __ ret();
-}
-
-
-void Intrinsifier::Uint8ArrayGetIndexed(Assembler* assembler) {
-  Label fall_through;
-  __ movq(RCX, Address(RSP, + 1 * kWordSize));  // Index.
-  __ movq(RAX, Address(RSP, + 2 * kWordSize));  // Array.
-  __ testq(RCX, Immediate(kSmiTagMask));
-  __ j(NOT_ZERO, &fall_through, Assembler::kNearJump);  // Non-smi index.
-  // Range check.
-  __ cmpq(RCX, FieldAddress(RAX, TypedData::length_offset()));
-  // Runtime throws exception.
-  __ j(ABOVE_EQUAL, &fall_through, Assembler::kNearJump);
-
-  __ SmiUntag(RCX);
-  __ movzxb(RAX, FieldAddress(RAX, RCX, TIMES_1, TypedData::data_offset()));
-  __ SmiTag(RAX);
-  __ ret();
-  __ Bind(&fall_through);
-}
-
-
-void Intrinsifier::ExternalUint8ArrayGetIndexed(Assembler* assembler) {
-  Label fall_through;
-  __ movq(RCX, Address(RSP, + 1 * kWordSize));  // Index.
-  __ movq(RAX, Address(RSP, + 2 * kWordSize));  // Array.
-  __ testq(RCX, Immediate(kSmiTagMask));
-  __ j(NOT_ZERO, &fall_through, Assembler::kNearJump);  // Non-smi index.
-  // Range check.
-  __ cmpq(RCX, FieldAddress(RAX, TypedData::length_offset()));
-  // Runtime throws exception.
-  __ j(ABOVE_EQUAL, &fall_through, Assembler::kNearJump);
-
-  __ movq(RAX, FieldAddress(RAX, ExternalTypedData::data_offset()));
-  __ SmiUntag(RCX);
-  __ movzxb(RAX, Address(RAX, RCX, TIMES_1, 0));
-  __ SmiTag(RAX);
-  __ ret();
-  __ Bind(&fall_through);
-}
-
-
-void Intrinsifier::Float64ArrayGetIndexed(Assembler* assembler) {
-  Label fall_through;
-  __ movq(RCX, Address(RSP, + 1 * kWordSize));  // Index.
-  __ movq(RAX, Address(RSP, + 2 * kWordSize));  // Array.
-  __ testq(RCX, Immediate(kSmiTagMask));
-  __ j(NOT_ZERO, &fall_through, Assembler::kNearJump);  // Non-smi index.
-  // Range check.
-  __ cmpq(RCX, FieldAddress(RAX, TypedData::length_offset()));
-  // Runtime throws exception.
-  __ j(ABOVE_EQUAL, &fall_through, Assembler::kNearJump);
-
-  Address element_address =
-      Assembler::ElementAddressForRegIndex(false,  // Not external.
-                                           kTypedDataFloat64ArrayCid,
-                                           8,  // Index scale.
-                                           RAX,  // Array.
-                                           RCX);  // Index.
-
-  __ movsd(XMM0, element_address);
-
-  const Class& double_class = Class::Handle(
-      Isolate::Current()->object_store()->double_class());
-  __ TryAllocate(double_class,
-                 &fall_through,
-                 Assembler::kNearJump,
-                 RAX,  // Result register.
-                 kNoRegister);
-  __ movsd(FieldAddress(RAX, Double::value_offset()), XMM0);
-  __ ret();
-  __ Bind(&fall_through);
-}
-
-
-void Intrinsifier::Float64ArraySetIndexed(Assembler* assembler) {
-  Label fall_through;
-  __ movq(RCX, Address(RSP, + 2 * kWordSize));  // Index.
-  __ movq(RAX, Address(RSP, + 3 * kWordSize));  // Array.
-  __ testq(RCX, Immediate(kSmiTagMask));
-  __ j(NOT_ZERO, &fall_through, Assembler::kNearJump);  // Non-smi index.
-  // Range check.
-  __ cmpq(RCX, FieldAddress(RAX, TypedData::length_offset()));
-  // Runtime throws exception.
-  __ j(ABOVE_EQUAL, &fall_through, Assembler::kNearJump);
-
-  __ movq(RDX, Address(RSP, + 1 * kWordSize));  // Value
-  __ testq(RDX, Immediate(kSmiTagMask));
-  __ j(ZERO, &fall_through, Assembler::kNearJump);  // Value is Smi.
-
-  __ LoadClassId(RDI, RDX);
-  __ cmpq(RDI, Immediate(kTypedDataFloat64ArrayCid));
-  __ j(NOT_EQUAL, &fall_through, Assembler::kNearJump);
-
-  __ movsd(XMM0, FieldAddress(RDX, Double::value_offset()));
-
-  Address element_address =
-      Assembler::ElementAddressForRegIndex(false,  // Not external.
-                                           kTypedDataFloat64ArrayCid,
-                                           8,  // Index scale.
-                                           RAX,  // Array.
-                                           RCX);  // Index.
-
-  __ movsd(element_address, XMM0);
-  __ ret();
-  __ Bind(&fall_through);
-}
-
-
 static ScaleFactor GetScaleFactor(intptr_t size) {
   switch (size) {
     case 1: return TIMES_1;
@@ -1269,13 +1106,6 @@
 }
 
 
-void Intrinsifier::StringBaseLength(Assembler* assembler) {
-  __ movq(RAX, Address(RSP, + 1 * kWordSize));  // String object.
-  __ movq(RAX, FieldAddress(RAX, String::length_offset()));
-  __ ret();
-}
-
-
 void Intrinsifier::StringBaseCodeUnitAt(Assembler* assembler) {
   Label fall_through, try_two_byte_string;
   __ movq(RCX, Address(RSP, + 1 * kWordSize));  // Index.