1 files changed, 0 insertions, 162 deletions
diff --git a/JavaScriptCore/jit/ThunkGenerators.cpp b/JavaScriptCore/jit/ThunkGenerators.cpp
deleted file mode 100644
index 9b40f12..0000000
--- a/JavaScriptCore/jit/ThunkGenerators.cpp
+++ /dev/null
@@ -1,162 +0,0 @@
-/*
- * Copyright (C) 2010 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. AND ITS 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 APPLE INC. OR ITS 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 "ThunkGenerators.h"
-
-#include "CodeBlock.h"
-#include <wtf/text/StringImpl.h>
-#include "SpecializedThunkJIT.h"
-
-#if ENABLE(JIT)
-
-namespace JSC {
-
-static void stringCharLoad(SpecializedThunkJIT& jit)
-{
-    // load string
-    jit.loadJSStringArgument(SpecializedThunkJIT::ThisArgument, SpecializedThunkJIT::regT0);
-    // regT0 now contains this, and is a non-rope JSString*
-
-    // Load string length to regT2, and start the process of loading the data pointer into regT0
-    jit.load32(MacroAssembler::Address(SpecializedThunkJIT::regT0, ThunkHelpers::jsStringLengthOffset()), SpecializedThunkJIT::regT2);
-    jit.loadPtr(MacroAssembler::Address(SpecializedThunkJIT::regT0, ThunkHelpers::jsStringValueOffset()), SpecializedThunkJIT::regT0);
-    jit.loadPtr(MacroAssembler::Address(SpecializedThunkJIT::regT0, ThunkHelpers::stringImplDataOffset()), SpecializedThunkJIT::regT0);
-
-    // load index
-    jit.loadInt32Argument(0, SpecializedThunkJIT::regT1); // regT1 contains the index
-
-    // Do an unsigned compare to simultaneously filter negative indices as well as indices that are too large
-    jit.appendFailure(jit.branch32(MacroAssembler::AboveOrEqual, SpecializedThunkJIT::regT1, SpecializedThunkJIT::regT2));
-
-    // Load the character
-    jit.load16(MacroAssembler::BaseIndex(SpecializedThunkJIT::regT0, SpecializedThunkJIT::regT1, MacroAssembler::TimesTwo, 0), SpecializedThunkJIT::regT0);
-}
-
-static void charToString(SpecializedThunkJIT& jit, JSGlobalData* globalData, MacroAssembler::RegisterID src, MacroAssembler::RegisterID dst, MacroAssembler::RegisterID scratch)
-{
-    jit.appendFailure(jit.branch32(MacroAssembler::AboveOrEqual, src, MacroAssembler::Imm32(0x100)));
-    jit.move(MacroAssembler::ImmPtr(globalData->smallStrings.singleCharacterStrings()), scratch);
-    jit.loadPtr(MacroAssembler::BaseIndex(scratch, src, MacroAssembler::ScalePtr, 0), dst);
-    jit.appendFailure(jit.branchTestPtr(MacroAssembler::Zero, dst));
-}
-
-MacroAssemblerCodePtr charCodeAtThunkGenerator(JSGlobalData* globalData, ExecutablePool* pool)
-{
-    SpecializedThunkJIT jit(1, globalData, pool);
-    stringCharLoad(jit);
-    jit.returnInt32(SpecializedThunkJIT::regT0);
-    return jit.finalize(globalData->jitStubs->ctiNativeCall());
-}
-
-MacroAssemblerCodePtr charAtThunkGenerator(JSGlobalData* globalData, ExecutablePool* pool)
-{
-    SpecializedThunkJIT jit(1, globalData, pool);
-    stringCharLoad(jit);
-    charToString(jit, globalData, SpecializedThunkJIT::regT0, SpecializedThunkJIT::regT0, SpecializedThunkJIT::regT1);
-    jit.returnJSCell(SpecializedThunkJIT::regT0);
-    return jit.finalize(globalData->jitStubs->ctiNativeCall());
-}
-
-MacroAssemblerCodePtr fromCharCodeThunkGenerator(JSGlobalData* globalData, ExecutablePool* pool)
-{
-    SpecializedThunkJIT jit(1, globalData, pool);
-    // load char code
-    jit.loadInt32Argument(0, SpecializedThunkJIT::regT0);
-    charToString(jit, globalData, SpecializedThunkJIT::regT0, SpecializedThunkJIT::regT0, SpecializedThunkJIT::regT1);
-    jit.returnJSCell(SpecializedThunkJIT::regT0);
-    return jit.finalize(globalData->jitStubs->ctiNativeCall());
-}
-
-MacroAssemblerCodePtr sqrtThunkGenerator(JSGlobalData* globalData, ExecutablePool* pool)
-{
-    SpecializedThunkJIT jit(1, globalData, pool);
-    if (!jit.supportsFloatingPointSqrt())
-        return globalData->jitStubs->ctiNativeCall();
-
-    jit.loadDoubleArgument(0, SpecializedThunkJIT::fpRegT0, SpecializedThunkJIT::regT0);
-    jit.sqrtDouble(SpecializedThunkJIT::fpRegT0, SpecializedThunkJIT::fpRegT0);
-    jit.returnDouble(SpecializedThunkJIT::fpRegT0);
-    return jit.finalize(globalData->jitStubs->ctiNativeCall());
-}
-
-static const double oneConstant = 1.0;
-static const double negativeHalfConstant = -0.5;
-
-MacroAssemblerCodePtr powThunkGenerator(JSGlobalData* globalData, ExecutablePool* pool)
-{
-    SpecializedThunkJIT jit(2, globalData, pool);
-    if (!jit.supportsFloatingPoint())
-        return globalData->jitStubs->ctiNativeCall();
-
-    jit.loadDouble(&oneConstant, SpecializedThunkJIT::fpRegT1);
-    jit.loadDoubleArgument(0, SpecializedThunkJIT::fpRegT0, SpecializedThunkJIT::regT0);
-    MacroAssembler::Jump nonIntExponent;
-    jit.loadInt32Argument(1, SpecializedThunkJIT::regT0, nonIntExponent);
-    jit.appendFailure(jit.branch32(MacroAssembler::LessThan, SpecializedThunkJIT::regT0, MacroAssembler::Imm32(0)));
-    
-    MacroAssembler::Jump exponentIsZero = jit.branchTest32(MacroAssembler::Zero, SpecializedThunkJIT::regT0);
-    MacroAssembler::Label startLoop(jit.label());
-
-    MacroAssembler::Jump exponentIsEven = jit.branchTest32(MacroAssembler::Zero, SpecializedThunkJIT::regT0, MacroAssembler::Imm32(1));
-    jit.mulDouble(SpecializedThunkJIT::fpRegT0, SpecializedThunkJIT::fpRegT1);
-    exponentIsEven.link(&jit);
-    jit.mulDouble(SpecializedThunkJIT::fpRegT0, SpecializedThunkJIT::fpRegT0);
-    jit.rshift32(MacroAssembler::Imm32(1), SpecializedThunkJIT::regT0);
-    jit.branchTest32(MacroAssembler::NonZero, SpecializedThunkJIT::regT0).linkTo(startLoop, &jit);
-
-    exponentIsZero.link(&jit);
-
-    {
-        SpecializedThunkJIT::JumpList doubleResult;
-        jit.branchConvertDoubleToInt32(SpecializedThunkJIT::fpRegT1, SpecializedThunkJIT::regT0, doubleResult, SpecializedThunkJIT::fpRegT0);
-        jit.returnInt32(SpecializedThunkJIT::regT0);
-        doubleResult.link(&jit);
-        jit.returnDouble(SpecializedThunkJIT::fpRegT1);
-    }
-
-    if (jit.supportsFloatingPointSqrt()) {
-        nonIntExponent.link(&jit);
-        jit.loadDouble(&negativeHalfConstant, SpecializedThunkJIT::fpRegT3);
-        jit.loadDoubleArgument(1, SpecializedThunkJIT::fpRegT2, SpecializedThunkJIT::regT0);
-        jit.appendFailure(jit.branchDouble(MacroAssembler::DoubleLessThanOrEqual, SpecializedThunkJIT::fpRegT0, SpecializedThunkJIT::fpRegT1));
-        jit.appendFailure(jit.branchDouble(MacroAssembler::DoubleNotEqualOrUnordered, SpecializedThunkJIT::fpRegT2, SpecializedThunkJIT::fpRegT3));
-        jit.sqrtDouble(SpecializedThunkJIT::fpRegT0, SpecializedThunkJIT::fpRegT0);
-        jit.divDouble(SpecializedThunkJIT::fpRegT0, SpecializedThunkJIT::fpRegT1);
-
-        SpecializedThunkJIT::JumpList doubleResult;
-        jit.branchConvertDoubleToInt32(SpecializedThunkJIT::fpRegT1, SpecializedThunkJIT::regT0, doubleResult, SpecializedThunkJIT::fpRegT0);
-        jit.returnInt32(SpecializedThunkJIT::regT0);
-        doubleResult.link(&jit);
-        jit.returnDouble(SpecializedThunkJIT::fpRegT1);
-    } else
-        jit.appendFailure(nonIntExponent);
-
-    return jit.finalize(globalData->jitStubs->ctiNativeCall());
-}
-
-}
-
-#endif // ENABLE(JIT)