From 32761a6cee1d0dee366b885b7b9c777e67885688 Mon Sep 17 00:00:00 2001 From: Lorry Tar Creator Date: Sun, 10 Apr 2016 09:28:39 +0000 Subject: webkitgtk-2.4.11 --- Source/JavaScriptCore/b3/B3MathExtras.cpp | 127 ------------------------------ 1 file changed, 127 deletions(-) delete mode 100644 Source/JavaScriptCore/b3/B3MathExtras.cpp (limited to 'Source/JavaScriptCore/b3/B3MathExtras.cpp') diff --git a/Source/JavaScriptCore/b3/B3MathExtras.cpp b/Source/JavaScriptCore/b3/B3MathExtras.cpp deleted file mode 100644 index 65e3276d0..000000000 --- a/Source/JavaScriptCore/b3/B3MathExtras.cpp +++ /dev/null @@ -1,127 +0,0 @@ -/* - * Copyright (C) 2015 Apple Inc. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. 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. - * - * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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 "config.h" -#include "B3MathExtras.h" - -#if ENABLE(B3_JIT) - -#include "B3BasicBlockInlines.h" -#include "B3CCallValue.h" -#include "B3Const32Value.h" -#include "B3ConstDoubleValue.h" -#include "B3ConstPtrValue.h" -#include "B3ControlValue.h" -#include "B3UpsilonValue.h" -#include "B3ValueInlines.h" - -namespace JSC { namespace B3 { - -std::pair powDoubleInt32(Procedure& procedure, BasicBlock* start, Origin origin, Value* x, Value* y) -{ - BasicBlock* functionCallCase = procedure.addBlock(); - BasicBlock* loopPreHeaderCase = procedure.addBlock(); - BasicBlock* loopTestForEvenCase = procedure.addBlock(); - BasicBlock* loopOdd = procedure.addBlock(); - BasicBlock* loopEvenOdd = procedure.addBlock(); - BasicBlock* continuation = procedure.addBlock(); - - Value* shouldGoSlowPath = start->appendNew(procedure, Above, origin, - y, - start->appendNew(procedure, origin, 1000)); - start->appendNew( - procedure, Branch, origin, - shouldGoSlowPath, - FrequentedBlock(functionCallCase), FrequentedBlock(loopPreHeaderCase)); - - // Function call. - Value* yAsDouble = functionCallCase->appendNew(procedure, IToD, origin, y); - double (*powDouble)(double, double) = pow; - Value* powResult = functionCallCase->appendNew( - procedure, Double, origin, - functionCallCase->appendNew(procedure, origin, bitwise_cast(powDouble)), - x, yAsDouble); - UpsilonValue* powResultUpsilon = functionCallCase->appendNew(procedure, origin, powResult); - functionCallCase->appendNew(procedure, Jump, origin, FrequentedBlock(continuation)); - - // Loop pre-header. - Value* initialResult = loopPreHeaderCase->appendNew(procedure, origin, 1.); - UpsilonValue* initialLoopValue = loopPreHeaderCase->appendNew(procedure, origin, initialResult); - UpsilonValue* initialResultValue = loopPreHeaderCase->appendNew(procedure, origin, initialResult); - UpsilonValue* initialSquaredInput = loopPreHeaderCase->appendNew(procedure, origin, x); - UpsilonValue* initialLoopCounter = loopPreHeaderCase->appendNew(procedure, origin, y); - loopPreHeaderCase->appendNew(procedure, Jump, origin, FrequentedBlock(loopTestForEvenCase)); - - // Test if what is left of the counter is even. - Value* inLoopCounter = loopTestForEvenCase->appendNew(procedure, Phi, Int32, origin); - Value* inLoopSquaredInput = loopTestForEvenCase->appendNew(procedure, Phi, Double, origin); - Value* lastCounterBit = loopTestForEvenCase->appendNew(procedure, BitAnd, origin, - inLoopCounter, - loopTestForEvenCase->appendNew(procedure, origin, 1)); - loopTestForEvenCase->appendNew( - procedure, Branch, origin, - lastCounterBit, - FrequentedBlock(loopOdd), FrequentedBlock(loopEvenOdd)); - - // Counter is odd. - Value* inLoopResult = loopOdd->appendNew(procedure, Phi, Double, origin); - Value* updatedResult = loopOdd->appendNew(procedure, Mul, origin, inLoopResult, inLoopSquaredInput); - UpsilonValue* updatedLoopResultUpsilon = loopOdd->appendNew(procedure, origin, updatedResult); - initialLoopValue->setPhi(inLoopResult); - updatedLoopResultUpsilon->setPhi(inLoopResult); - UpsilonValue* updatedLoopResult = loopOdd->appendNew(procedure, origin, updatedResult); - - loopOdd->appendNew(procedure, Jump, origin, FrequentedBlock(loopEvenOdd)); - - // Even value and following the Odd. - Value* squaredInput = loopEvenOdd->appendNew(procedure, Mul, origin, inLoopSquaredInput, inLoopSquaredInput); - UpsilonValue* squaredInputUpsilon = loopEvenOdd->appendNew(procedure, origin, squaredInput); - initialSquaredInput->setPhi(inLoopSquaredInput); - squaredInputUpsilon->setPhi(inLoopSquaredInput); - - Value* updatedCounter = loopEvenOdd->appendNew(procedure, ZShr, origin, - inLoopCounter, - loopEvenOdd->appendNew(procedure, origin, 1)); - UpsilonValue* updatedCounterUpsilon = loopEvenOdd->appendNew(procedure, origin, updatedCounter); - initialLoopCounter->setPhi(inLoopCounter); - updatedCounterUpsilon->setPhi(inLoopCounter); - - loopEvenOdd->appendNew( - procedure, Branch, origin, - updatedCounter, - FrequentedBlock(loopTestForEvenCase), FrequentedBlock(continuation)); - - // Inline loop. - Value* finalResultPhi = continuation->appendNew(procedure, Phi, Double, origin); - powResultUpsilon->setPhi(finalResultPhi); - initialResultValue->setPhi(finalResultPhi); - updatedLoopResult->setPhi(finalResultPhi); - return std::make_pair(continuation, finalResultPhi); -} - -} } // namespace JSC::B3 - -#endif // ENABLE(B3_JIT) - -- cgit v1.2.1