Move backend specific files to separate directories.

src/register-allocator-ia32.cc

Index: src/register-allocator-ia32.cc
diff --git a/src/register-allocator-ia32.cc b/src/register-allocator-ia32.cc
deleted file mode 100644
index a8988274882b848bbe30983fccffdaac5bcbf5d3..0000000000000000000000000000000000000000
--- a/src/register-allocator-ia32.cc
+++ /dev/null
@@ -1,130 +0,0 @@
-// Copyright 2008 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.
-
-#include "v8.h"
-
-#include "codegen-inl.h"
-#include "register-allocator-inl.h"
-
-namespace v8 { namespace internal {
-
-// -------------------------------------------------------------------------
-// Result implementation.
-
-void Result::ToRegister() {
-  ASSERT(is_valid());
-  if (is_constant()) {
-    Result fresh = cgen_->allocator()->Allocate();
-    ASSERT(fresh.is_valid());
-    if (cgen_->IsUnsafeSmi(handle())) {
-      cgen_->LoadUnsafeSmi(fresh.reg(), handle());
-    } else {
-      cgen_->masm()->Set(fresh.reg(), Immediate(handle()));
-    }
-    // This result becomes a copy of the fresh one.
-    *this = fresh;
-  }
-  ASSERT(is_register());
-}
-
-
-void Result::ToRegister(Register target) {
-  ASSERT(is_valid());
-  if (!is_register() || !reg().is(target)) {
-    Result fresh = cgen_->allocator()->Allocate(target);
-    ASSERT(fresh.is_valid());
-    if (is_register()) {
-      cgen_->masm()->mov(fresh.reg(), reg());
-    } else {
-      ASSERT(is_constant());
-      if (cgen_->IsUnsafeSmi(handle())) {
-        cgen_->LoadUnsafeSmi(fresh.reg(), handle());
-      } else {
-        cgen_->masm()->Set(fresh.reg(), Immediate(handle()));
-      }
-    }
-    *this = fresh;
-  } else if (is_register() && reg().is(target)) {
-    ASSERT(cgen_->has_valid_frame());
-    cgen_->frame()->Spill(target);
-    ASSERT(cgen_->allocator()->count(target) == 1);
-  }
-  ASSERT(is_register());
-  ASSERT(reg().is(target));
-}
-
-
-// -------------------------------------------------------------------------
-// RegisterAllocator implementation.
-
-RegisterFile RegisterAllocator::Reserved() {
-  RegisterFile reserved;
-  reserved.Use(esp);
-  reserved.Use(ebp);
-  reserved.Use(esi);
-  return reserved;
-}
-
-
-void RegisterAllocator::UnuseReserved(RegisterFile* register_file) {
-  register_file->ref_counts_[esp.code()] = 0;
-  register_file->ref_counts_[ebp.code()] = 0;
-  register_file->ref_counts_[esi.code()] = 0;
-}
-
-
-void RegisterAllocator::Initialize() {
-  Reset();
-  // The following register is live on function entry, saved in the
-  // frame, and available for allocation during execution.
-  Use(edi);  // JS function.
-}
-
-
-void RegisterAllocator::Reset() {
-  registers_.Reset();
-  // The following registers are live on function entry and reserved
-  // during execution.
-  Use(esp);  // Stack pointer.
-  Use(ebp);  // Frame pointer (caller's frame pointer on entry).
-  Use(esi);  // Context (callee's context on entry).
-}
-
-
-Result RegisterAllocator::AllocateByteRegisterWithoutSpilling() {
-  Result result = AllocateWithoutSpilling();
-  // Check that the register is a byte register.  If not, unuse the
-  // register if valid and return an invalid result.
-  if (result.is_valid() && !result.reg().is_byte_register()) {
-    result.Unuse();
-    return Result(cgen_);
-  }
-  return result;
-}
-
-
-} }  // namespace v8::internal