Initial import.

1 files changed, 163 insertions, 0 deletions

diff --git a/chromium/v8/src/lithium-allocator-inl.h b/chromium/v8/src/lithium-allocator-inl.h
new file mode 100644
index 00000000000..8cca19b2efa
--- /dev/null
+++ b/chromium/v8/src/lithium-allocator-inl.h
@@ -0,0 +1,163 @@
+// Copyright 2011 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef V8_LITHIUM_ALLOCATOR_INL_H_
+#define V8_LITHIUM_ALLOCATOR_INL_H_
+
+#include "lithium-allocator.h"
+
+#if V8_TARGET_ARCH_IA32
+#include "ia32/lithium-ia32.h"
+#elif V8_TARGET_ARCH_X64
+#include "x64/lithium-x64.h"
+#elif V8_TARGET_ARCH_ARM
+#include "arm/lithium-arm.h"
+#elif V8_TARGET_ARCH_MIPS
+#include "mips/lithium-mips.h"
+#else
+#error "Unknown architecture."
+#endif
+
+namespace v8 {
+namespace internal {
+
+bool LAllocator::IsGapAt(int index) { return chunk_->IsGapAt(index); }
+
+
+LInstruction* LAllocator::InstructionAt(int index) {
+  return chunk_->instructions()->at(index);
+}
+
+
+LGap* LAllocator::GapAt(int index) {
+  return chunk_->GetGapAt(index);
+}
+
+
+TempIterator::TempIterator(LInstruction* instr)
+    : instr_(instr),
+      limit_(instr->TempCount()),
+      current_(0) {
+  SkipUninteresting();
+}
+
+
+bool TempIterator::Done() { return current_ >= limit_; }
+
+
+LOperand* TempIterator::Current() {
+  ASSERT(!Done());
+  return instr_->TempAt(current_);
+}
+
+
+void TempIterator::SkipUninteresting() {
+  while (current_ < limit_ && instr_->TempAt(current_) == NULL) ++current_;
+}
+
+
+void TempIterator::Advance() {
+  ++current_;
+  SkipUninteresting();
+}
+
+
+InputIterator::InputIterator(LInstruction* instr)
+    : instr_(instr),
+      limit_(instr->InputCount()),
+      current_(0) {
+  SkipUninteresting();
+}
+
+
+bool InputIterator::Done() { return current_ >= limit_; }
+
+
+LOperand* InputIterator::Current() {
+  ASSERT(!Done());
+  ASSERT(instr_->InputAt(current_) != NULL);
+  return instr_->InputAt(current_);
+}
+
+
+void InputIterator::Advance() {
+  ++current_;
+  SkipUninteresting();
+}
+
+
+void InputIterator::SkipUninteresting() {
+  while (current_ < limit_) {
+    LOperand* current = instr_->InputAt(current_);
+    if (current != NULL && !current->IsConstantOperand()) break;
+    ++current_;
+  }
+}
+
+
+UseIterator::UseIterator(LInstruction* instr)
+    : input_iterator_(instr), env_iterator_(instr->environment()) { }
+
+
+bool UseIterator::Done() {
+  return input_iterator_.Done() && env_iterator_.Done();
+}
+
+
+LOperand* UseIterator::Current() {
+  ASSERT(!Done());
+  LOperand* result = input_iterator_.Done()
+      ? env_iterator_.Current()
+      : input_iterator_.Current();
+  ASSERT(result != NULL);
+  return result;
+}
+
+
+void UseIterator::Advance() {
+  input_iterator_.Done()
+      ? env_iterator_.Advance()
+      : input_iterator_.Advance();
+}
+
+
+void LAllocator::SetLiveRangeAssignedRegister(
+    LiveRange* range,
+    int reg,
+    RegisterKind register_kind) {
+  if (register_kind == DOUBLE_REGISTERS) {
+    assigned_double_registers_->Add(reg);
+  } else {
+    assigned_registers_->Add(reg);
+  }
+  range->set_assigned_register(reg, register_kind, chunk()->zone());
+}
+
+
+} }  // namespace v8::internal
+
+#endif  // V8_LITHIUM_ALLOCATOR_INL_H_