VM: Add smi fast path operations for precompiled code

runtime/vm/object.cc

 // Copyright (c) 2012, 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/object.h"
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/cpu.h"
@@ skipping 11483 matching lines @@
   if (value) {
     *byte_addr |= byte_mask;
   } else {
     *byte_addr &= ~byte_mask;
   }
 }
 
 
 RawStackmap* Stackmap::New(intptr_t pc_offset,
                            BitmapBuilder* bmap,
-                           intptr_t register_bit_count) {
+                           intptr_t slow_path_bit_count) {
   ASSERT(Object::stackmap_class() != Class::null());
   ASSERT(bmap != NULL);
   Stackmap& result = Stackmap::Handle();
   // Guard against integer overflow of the instance size computation.
   intptr_t length = bmap->Length();
   intptr_t payload_size =
       Utils::RoundUp(length, kBitsPerByte) / kBitsPerByte;
   if ((payload_size < 0) ||
       (payload_size > kMaxLengthInBytes)) {
     // This should be caught before we reach here.
@@ skipping 11 matching lines @@
     result.SetLength(length);
   }
   // When constructing a stackmap we store the pc offset in the stackmap's
   // PC. StackmapTableBuilder::FinalizeStackmaps will replace it with the pc
   // address.
   ASSERT(pc_offset >= 0);
   result.SetPcOffset(pc_offset);
   for (intptr_t i = 0; i < length; ++i) {
     result.SetBit(i, bmap->Get(i));
   }
-  result.SetRegisterBitCount(register_bit_count);
+  result.SetSlowPathBitCount(slow_path_bit_count);
   return result.raw();
 }
 
 
 RawStackmap* Stackmap::New(intptr_t length,
-                           intptr_t register_bit_count,
+                           intptr_t slow_path_bit_count,
                            intptr_t pc_offset) {
   ASSERT(Object::stackmap_class() != Class::null());
   Stackmap& result = Stackmap::Handle();
   // Guard against integer overflow of the instance size computation.
   intptr_t payload_size =
   Utils::RoundUp(length, kBitsPerByte) / kBitsPerByte;
   if ((payload_size < 0) ||
       (payload_size > kMaxLengthInBytes)) {
     // This should be caught before we reach here.
     FATAL1("Fatal error in Stackmap::New: invalid length %" Pd "\n",
            length);
   }
   {
     // Stackmap data objects are associated with a code object, allocate them
     // in old generation.
     RawObject* raw = Object::Allocate(Stackmap::kClassId,
                                       Stackmap::InstanceSize(length),
                                       Heap::kOld);
     NoSafepointScope no_safepoint;
     result ^= raw;
     result.SetLength(length);
   }
   // When constructing a stackmap we store the pc offset in the stackmap's
   // PC. StackmapTableBuilder::FinalizeStackmaps will replace it with the pc
   // address.
   ASSERT(pc_offset >= 0);
   result.SetPcOffset(pc_offset);
-  result.SetRegisterBitCount(register_bit_count);
+  result.SetSlowPathBitCount(slow_path_bit_count);
   return result.raw();
 }
 
 
 const char* Stackmap::ToCString() const {
 #define FORMAT "%#x: "
   if (IsNull()) {
     return "{null}";
   } else {
     intptr_t fixed_length = OS::SNPrint(NULL, 0, FORMAT, PcOffset()) + 1;
@@ skipping 10290 matching lines @@
   return UserTag::null();
 }
 
 
 const char* UserTag::ToCString() const {
   const String& tag_label = String::Handle(label());
   return tag_label.ToCString();
 }
 
 }  // namespace dart