2011-01-05 12:31:31 +00:00
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// Copyright 2011 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "x64/lithium-x64.h"
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#include "x64/lithium-codegen-x64.h"
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namespace v8 {
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namespace internal {
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2011-01-10 11:31:21 +00:00
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bool LGap::IsRedundant() const {
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for (int i = 0; i < 4; i++) {
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if (parallel_moves_[i] != NULL && !parallel_moves_[i]->IsRedundant()) {
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return false;
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}
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}
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return true;
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}
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void LGap::PrintDataTo(StringStream* stream) const {
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for (int i = 0; i < 4; i++) {
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stream->Add("(");
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if (parallel_moves_[i] != NULL) {
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parallel_moves_[i]->PrintDataTo(stream);
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}
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stream->Add(") ");
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}
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}
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2011-01-05 12:31:31 +00:00
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LChunk* LChunkBuilder::Build() {
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ASSERT(is_unused());
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chunk_ = new LChunk(graph());
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HPhase phase("Building chunk", chunk_);
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status_ = BUILDING;
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const ZoneList<HBasicBlock*>* blocks = graph()->blocks();
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for (int i = 0; i < blocks->length(); i++) {
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HBasicBlock* next = NULL;
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if (i < blocks->length() - 1) next = blocks->at(i + 1);
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DoBasicBlock(blocks->at(i), next);
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if (is_aborted()) return NULL;
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}
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status_ = DONE;
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return chunk_;
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}
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void LChunkBuilder::Abort(const char* format, ...) {
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if (FLAG_trace_bailout) {
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SmartPointer<char> debug_name = graph()->debug_name()->ToCString();
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PrintF("Aborting LChunk building in @\"%s\": ", *debug_name);
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va_list arguments;
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va_start(arguments, format);
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OS::VPrint(format, arguments);
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va_end(arguments);
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PrintF("\n");
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}
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status_ = ABORTED;
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}
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void LChunkBuilder::DoBasicBlock(HBasicBlock* block, HBasicBlock* next_block) {
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ASSERT(is_building());
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Abort("Lithium not implemented on x64.");
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}
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} } // namespace v8::internal
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