Generate some intrinsics using our IR.

runtime/vm/locations.cc

 // Copyright (c) 2013, 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/locations.h"
 
 #include "vm/assembler.h"
 #include "vm/il_printer.h"
 #include "vm/intermediate_language.h"
 #include "vm/flow_graph_compiler.h"
@@ skipping 103 matching lines @@
 Location Location::AnyOrConstant(Value* value) {
   ConstantInstr* constant = value->definition()->AsConstant();
   return ((constant != NULL) && Assembler::IsSafe(constant->value()))
       ? Location::Constant(constant)
       : Location::Any();
 }
 
 
 Address Location::ToStackSlotAddress() const {
   const intptr_t index = stack_index();
-  if (index < 0) {
-    const intptr_t offset = (kParamEndSlotFromFp - index)  * kWordSize;
-    return Address(FPREG, offset);
+  const Register base = base_reg();
+  if (base == FPREG) {
+    if (index < 0) {
+      const intptr_t offset = (kParamEndSlotFromFp - index)  * kWordSize;
+      return Address(base, offset);
+    } else {
+      const intptr_t offset = (kFirstLocalSlotFromFp - index) * kWordSize;
+      return Address(base, offset);
+    }
   } else {
-    const intptr_t offset = (kFirstLocalSlotFromFp - index) * kWordSize;
-    return Address(FPREG, offset);
+    ASSERT(base == SPREG);
+    return Address(base, index * kWordSize);
   }
 }
 
 
 intptr_t Location::ToStackSlotOffset() const {
   const intptr_t index = stack_index();
-  if (index < 0) {
-    const intptr_t offset = (kParamEndSlotFromFp - index)  * kWordSize;
-    return offset;
+  if (base_reg() == FPREG) {
+    if (index < 0) {
+      const intptr_t offset = (kParamEndSlotFromFp - index)  * kWordSize;
+      return offset;
+    } else {
+      const intptr_t offset = (kFirstLocalSlotFromFp - index) * kWordSize;
+      return offset;
+    }
   } else {
-    const intptr_t offset = (kFirstLocalSlotFromFp - index) * kWordSize;
-    return offset;
+    ASSERT(base_reg() == SPREG);
+    return index * kWordSize;
   }
 }
 
 
 const Object& Location::constant() const {
   return constant_instruction()->value();
 }
 
 
 const char* Location::Name() const {
@@ skipping 132 matching lines @@
       // with the right representation because register allocator does not know
       // how they are used within the instruction template.
       ASSERT(in(i).IsMachineRegister());
       ASSERT(live_registers()->Contains(in(i)));
     }
   }
 }
 #endif
 
 }  // namespace dart