v8/src/codegen-inl.h
kmillikin@chromium.org ebbaeb3655 Initial bypass of JumpTarget::ComputeEntryFrame for deferred code
entry labels where it is statically safe.

Review URL: http://codereview.chromium.org/115296

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@1943 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2009-05-14 07:38:44 +00:00

85 lines
2.6 KiB
C++

// Copyright 2006-2008 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.
#ifndef V8_CODEGEN_INL_H_
#define V8_CODEGEN_INL_H_
#include "codegen.h"
#include "register-allocator-inl.h"
namespace v8 { namespace internal {
void DeferredCode::SetEntryFrame(Result* arg) {
ASSERT(generator()->has_valid_frame());
generator()->frame()->Push(arg);
enter()->set_entry_frame(new VirtualFrame(generator()->frame()));
*arg = generator()->frame()->Pop();
}
// -----------------------------------------------------------------------------
// Support for "structured" code comments.
//
// By selecting matching brackets in disassembler output,
// code segments can be identified more easily.
#ifdef DEBUG
class Comment BASE_EMBEDDED {
public:
Comment(MacroAssembler* masm, const char* msg)
: masm_(masm),
msg_(msg) {
masm_->RecordComment(msg);
}
~Comment() {
if (msg_[0] == '[')
masm_->RecordComment("]");
}
private:
MacroAssembler* masm_;
const char* msg_;
};
#else
class Comment BASE_EMBEDDED {
public:
Comment(MacroAssembler*, const char*) {}
};
#endif // DEBUG
} } // namespace v8::internal
#endif // V8_CODEGEN_INL_H_