Attachment 270550 Details for Bug 153478 – Patch

[patch] Patch

bug-153478-20160202234413.patch (text/plain), 15.27 KB, created by Michael Catanzaro on 2016-02-02 21:44:37 PST

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Creator: Michael Catanzaro

Created: 2016-02-02 21:44:37 PST

Size: 15.27 KB

patch

obsolete

>Subversion Revision: 195920
>diff --git a/Source/JavaScriptCore/ChangeLog b/Source/JavaScriptCore/ChangeLog
>index dd0169420484647bf062ffe3a87942d05c3c1d0f..3e954c72362babc470aa940c8297a21d6e107245 100644
>--- a/Source/JavaScriptCore/ChangeLog
>+++ b/Source/JavaScriptCore/ChangeLog
>@@ -1,3 +1,23 @@
>+2016-02-02  Michael Catanzaro  <mcatanzaro@igalia.com>
>+
>+        [GTK][EFL] Switch FTL to B3
>+        https://bugs.webkit.org/show_bug.cgi?id=153478
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Conditionalize code to make it possible to build FTL completely without LLVM.
>+
>+        * CMakeLists.txt:
>+        * dfg/DFGCommon.h:
>+        * dfg/DFGPlan.cpp:
>+        (JSC::DFG::Plan::compileInThreadImpl):
>+        * ftl/FTLAbbreviatedTypes.h:
>+        * ftl/FTLFail.cpp:
>+        (JSC::FTL::fail):
>+        * ftl/FTLState.cpp:
>+        (JSC::FTL::State::State):
>+        (JSC::FTL::State::~State):
>+
> 2016-01-30  Commit Queue  <commit-queue@webkit.org>
> 
>         Unreviewed, rolling out r195799 and r195828.
>diff --git a/Source/WTF/ChangeLog b/Source/WTF/ChangeLog
>index a01268d7421d7a4c92a4b5fe6c474fed3472640b..8892f7fc98e70d7b143b95bb3651bd2b44c25180 100644
>--- a/Source/WTF/ChangeLog
>+++ b/Source/WTF/ChangeLog
>@@ -1,3 +1,14 @@
>+2016-02-02  Michael Catanzaro  <mcatanzaro@igalia.com>
>+
>+        [GTK][EFL] Switch FTL to B3
>+        https://bugs.webkit.org/show_bug.cgi?id=153478
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Enable B3 by default on all x86.
>+
>+        * wtf/Platform.h:
>+
> 2016-01-30  Commit Queue  <commit-queue@webkit.org>
> 
>         Unreviewed, rolling out r195911.
>diff --git a/Source/JavaScriptCore/CMakeLists.txt b/Source/JavaScriptCore/CMakeLists.txt
>index f42b6696c205efd068f134068a370dc11b0b140a..6d4cd2912657afbc4b957cad5cca9f4f077a3a47 100644
>--- a/Source/JavaScriptCore/CMakeLists.txt
>+++ b/Source/JavaScriptCore/CMakeLists.txt
>@@ -988,36 +988,11 @@ list(APPEND JavaScriptCore_SOURCES
>     llint/LowLevelInterpreter.cpp
> )
> 
>-
> if (ENABLE_FTL_JIT)
>-    # Configure llvmForJSC.so
>-    set(llvmForJSC_SOURCES
>-        llvm/library/LLVMAnchor.cpp
>-        llvm/library/LLVMExports.cpp
>-        llvm/library/LLVMOverrides.cpp
>-    )
>-    set(llvmForJSC_INCLUDE_DIRECTORIES
>-        ${LLVM_INCLUDE_DIRS}
>-        "${DERIVED_SOURCES_JAVASCRIPTCORE_DIR}"
>-    )
>-
>-    add_custom_command(
>-        OUTPUT ${DERIVED_SOURCES_JAVASCRIPTCORE_DIR}/WebKitLLVMLibraryToken.h
>-        COMMAND ${CMAKE_COMMAND} -E touch ${DERIVED_SOURCES_JAVASCRIPTCORE_DIR}/WebKitLLVMLibraryToken.h
>-        VERBATIM)
>-
>-    # Added extra items for JavaScriptCore
>-    list(APPEND JavaScriptCore_SYSTEM_INCLUDE_DIRECTORIES
>-        ${LLVM_INCLUDE_DIRS}
>-    )
>-
>     list(APPEND JavaScriptCore_SOURCES
>         dfg/DFGToFTLDeferredCompilationCallback.cpp
>         dfg/DFGToFTLForOSREntryDeferredCompilationCallback.cpp
> 
>-        disassembler/LLVMDisassembler.cpp
>-        disassembler/X86Disassembler.cpp
>-
>         ftl/FTLAbstractHeap.cpp
>         ftl/FTLAbstractHeapRepository.cpp
>         ftl/FTLAvailableRecovery.cpp
>@@ -1068,6 +1043,34 @@ if (ENABLE_FTL_JIT)
>         ftl/FTLThunks.cpp
>         ftl/FTLUnwindInfo.cpp
>         ftl/FTLValueRange.cpp
>+    )
>+endif ()
>+
>+if (USE_LLVM_DISASSEMBLER)
>+    # Configure llvmForJSC.so
>+    set(llvmForJSC_SOURCES
>+        llvm/library/LLVMAnchor.cpp
>+        llvm/library/LLVMExports.cpp
>+        llvm/library/LLVMOverrides.cpp
>+    )
>+    set(llvmForJSC_INCLUDE_DIRECTORIES
>+        ${LLVM_INCLUDE_DIRS}
>+        "${DERIVED_SOURCES_JAVASCRIPTCORE_DIR}"
>+    )
>+
>+    add_custom_command(
>+        OUTPUT ${DERIVED_SOURCES_JAVASCRIPTCORE_DIR}/WebKitLLVMLibraryToken.h
>+        COMMAND ${CMAKE_COMMAND} -E touch ${DERIVED_SOURCES_JAVASCRIPTCORE_DIR}/WebKitLLVMLibraryToken.h
>+        VERBATIM)
>+
>+    # Added extra items for JavaScriptCore
>+    list(APPEND JavaScriptCore_SYSTEM_INCLUDE_DIRECTORIES
>+        ${LLVM_INCLUDE_DIRS}
>+    )
>+
>+    list(APPEND JavaScriptCore_SOURCES
>+        disassembler/LLVMDisassembler.cpp
>+        disassembler/X86Disassembler.cpp
> 
>         llvm/InitializeLLVM.cpp
>         llvm/InitializeLLVMLinux.cpp
>@@ -1353,12 +1356,12 @@ endif ()
> 
> WEBKIT_INCLUDE_CONFIG_FILES_IF_EXISTS()
> 
>-if (ENABLE_FTL_JIT)
>+if (USE_LLVM_DISASSEMBLER)
>     if (NOT llvmForJSC_LIBRARIES)
>         set(llvmForJSC_LIBRARIES ${LLVM_STATIC_LIBRARIES})
>     endif ()
>     if (NOT llvmForJSC_LIBRARIES)
>-        message(FATAL_ERROR "No LLVM libs found, but FTL is enabled. Stopping build.")
>+        message(FATAL_ERROR "No LLVM libs found, but LLVM disassembler is enabled. Stopping build.")
>     endif ()
> 
>     WEBKIT_WRAP_SOURCELIST(${llvmForJSC_SOURCES})
>@@ -1403,7 +1406,7 @@ if (${JavaScriptCore_LIBRARY_TYPE} STREQUAL "SHARED")
>     install(TARGETS JavaScriptCore DESTINATION "${LIB_INSTALL_DIR}")
> endif ()
> 
>-if (ENABLE_FTL_JIT)
>+if (USE_LLVM_DISASSEMBLER)
>     add_dependencies(JavaScriptCore llvmForJSC)
> endif ()
> 
>diff --git a/Source/JavaScriptCore/dfg/DFGCommon.h b/Source/JavaScriptCore/dfg/DFGCommon.h
>index 734e962df607715711170a4f588270080ba6e359..2f70a3bc1e412dda661202192cbcb7eb0deef9e2 100644
>--- a/Source/JavaScriptCore/dfg/DFGCommon.h
>+++ b/Source/JavaScriptCore/dfg/DFGCommon.h
>@@ -37,7 +37,7 @@ namespace JSC { namespace DFG {
> 
> // We are in the middle of a transition from LLVM to B3 as the backend for the FTL. This flag will go
> // away once that transition is finished. For now, we enable B3 only on some platforms.
>-#if CPU(X86_64) && PLATFORM(MAC)
>+#if CPU(X86_64) && ENABLE(FTL_JIT)
> #define FTL_USES_B3 1
> #else
> #define FTL_USES_B3 0
>diff --git a/Source/JavaScriptCore/dfg/DFGPlan.cpp b/Source/JavaScriptCore/dfg/DFGPlan.cpp
>index 512f447d5ff1e6534014f9efefc1b728c58cec60..0df19d3073379052a3005fcf64ea09e2cdf2af6c 100644
>--- a/Source/JavaScriptCore/dfg/DFGPlan.cpp
>+++ b/Source/JavaScriptCore/dfg/DFGPlan.cpp
>@@ -455,15 +455,20 @@ Plan::CompilationPath Plan::compileInThreadImpl(LongLivedState& longLivedState)
> 
>         dumpAndVerifyGraph(dfg, "Graph just before FTL lowering:", shouldDumpDisassembly(mode));
>         
>+#if !FTL_USES_B3 || USE(LLVM_DISASSEMBLER)
>         bool haveLLVM;
>+#endif
>         Safepoint::Result safepointResult;
>         {
>             GraphSafepoint safepoint(dfg, safepointResult);
>+#if !FTL_USES_B3 || USE(LLVM_DISASSEMBLER)
>             haveLLVM = initializeLLVM();
>+#endif
>         }
>         if (safepointResult.didGetCancelled())
>             return CancelPath;
>-        
>+
>+#if !FTL_USES_B3 || USE(LLVM_DISASSEMBLER)
>         if (!haveLLVM) {
>             if (Options::ftlCrashesIfCantInitializeLLVM()) {
>                 dataLog("LLVM can't be initialized.\n");
>@@ -472,6 +477,7 @@ Plan::CompilationPath Plan::compileInThreadImpl(LongLivedState& longLivedState)
>             finalizer = std::make_unique<FailedFinalizer>(*this);
>             return FailPath;
>         }
>+#endif
> 
>         FTL::State state(dfg);
>         FTL::lowerDFGToLLVM(state);
>diff --git a/Source/JavaScriptCore/ftl/FTLAbbreviatedTypes.h b/Source/JavaScriptCore/ftl/FTLAbbreviatedTypes.h
>index 9ba46b2d1f4d0e12403c1d2c90121513d176c544..a517a9edceea676e15f53e7b185c4c5f50dbe86c 100644
>--- a/Source/JavaScriptCore/ftl/FTLAbbreviatedTypes.h
>+++ b/Source/JavaScriptCore/ftl/FTLAbbreviatedTypes.h
>@@ -43,11 +43,20 @@ namespace JSC { namespace FTL {
> typedef B3::BasicBlock* LBasicBlock;
> typedef B3::Type LType;
> typedef B3::Value* LValue;
>+
>+typedef void* LAtomicOrdering;
>+typedef void* LBuilder;
>+typedef void* LCallConv;
>+typedef void* LContext;
>+typedef void* LIntPredicate;
>+typedef void* LLinkage;
>+typedef void* LModule;
>+typedef void* LRealPredicate;
>+typedef void* LMemoryBuffer;
> #else
> typedef LLVMBasicBlockRef LBasicBlock;
> typedef LLVMTypeRef LType;
> typedef LLVMValueRef LValue;
>-#endif
> 
> typedef LLVMAtomicOrdering LAtomicOrdering;
> typedef LLVMBuilderRef LBuilder;
>@@ -58,6 +67,7 @@ typedef LLVMLinkage LLinkage;
> typedef LLVMModuleRef LModule;
> typedef LLVMRealPredicate LRealPredicate;
> typedef LLVMMemoryBufferRef LMemoryBuffer;
>+#endif
> 
> enum SynchronizationScope { SingleThread, CrossThread };
> 
>diff --git a/Source/JavaScriptCore/ftl/FTLFail.cpp b/Source/JavaScriptCore/ftl/FTLFail.cpp
>index ac2fc07eba1e43cdc0c42aea138e5c6e380a4593..d154ebd1a8f9c47287a483ff9a90dd3310f727a4 100644
>--- a/Source/JavaScriptCore/ftl/FTLFail.cpp
>+++ b/Source/JavaScriptCore/ftl/FTLFail.cpp
>@@ -40,8 +40,10 @@ void fail(State& state)
> {
>     state.graph.m_plan.finalizer = std::make_unique<FailedFinalizer>(state.graph.m_plan);
>     
>+#if !FTL_USES_B3
>     if (state.module)
>         llvm->DisposeModule(state.module);
>+#endif
> }
> 
> } } // namespace JSC::FTL
>diff --git a/Source/JavaScriptCore/ftl/FTLState.cpp b/Source/JavaScriptCore/ftl/FTLState.cpp
>index 2eac4095089d62e708936452e6014cbd3da1ff68..c2625c56e49cee5632e06c5e284384638b7db193 100644
>--- a/Source/JavaScriptCore/ftl/FTLState.cpp
>+++ b/Source/JavaScriptCore/ftl/FTLState.cpp
>@@ -34,9 +34,12 @@
> #include "FTLJITCode.h"
> #include "FTLJITFinalizer.h"
> #include "FTLPatchpointExceptionHandle.h"
>-#include <llvm/InitializeLLVM.h>
> #include <stdio.h>
> 
>+#if !FTL_USES_B3
>+#include <llvm/InitializeLLVM.h>
>+#endif
>+
> namespace JSC { namespace FTL {
> 
> using namespace B3;
>@@ -44,7 +47,11 @@ using namespace DFG;
> 
> State::State(Graph& graph)
>     : graph(graph)
>+#if FTL_USES_B3
>+    , context(nullptr)
>+#else
>     , context(llvm->ContextCreate())
>+#endif
>     , module(0)
>     , function(0)
>     , generatedFunction(0)
>@@ -85,7 +92,9 @@ State::State(Graph& graph)
> 
> State::~State()
> {
>+#if !FTL_USES_B3
>     llvm->ContextDispose(context);
>+#endif
> }
> 
> void State::dumpState(const char* when)
>diff --git a/Source/WTF/wtf/Platform.h b/Source/WTF/wtf/Platform.h
>index e5dc0957ed70a31cd1693cbdd47b3d12b395b20a..9542f1818d28c44c4e11f94cd043311aea31eec2 100644
>--- a/Source/WTF/wtf/Platform.h
>+++ b/Source/WTF/wtf/Platform.h
>@@ -718,10 +718,6 @@
> #define HAVE_LLVM 1
> #endif
> 
>-#if PLATFORM(GTK) && HAVE(LLVM) && ENABLE(JIT) && !defined(ENABLE_FTL_JIT) && CPU(X86_64)
>-#define ENABLE_FTL_JIT 1
>-#endif
>-
> /* The FTL *does not* work on 32-bit platforms. Disable it even if someone asked us to enable it. */
> #if USE(JSVALUE32_64)
> #undef ENABLE_FTL_JIT
>@@ -787,9 +783,8 @@
> #define ENABLE_CONCURRENT_JIT 1
> #endif
> 
>-/* The B3 compiler is an experimental backend that is still in development. We will keep it building
>-   on Mac/x86-64 for now, though it is unused except for tests. */
>-#if (PLATFORM(MAC) || PLATFORM(IOS)) && (CPU(X86_64) || CPU(ARM64)) && ENABLE(FTL_JIT)
>+/* This controls whether B3 is built. It will not be used unless FTL_USES_B3 is enabled. */
>+#if (CPU(X86_64) || CPU(ARM64)) && ENABLE(FTL_JIT)
> #define ENABLE_B3_JIT 1
> #endif
> 
>diff --git a/Source/cmake/OptionsEfl.cmake b/Source/cmake/OptionsEfl.cmake
>index 2438c635ec21e3230518d1237b4e1ae48c1cfdca..7c799bc936da416ea247d0698d2fe0ad2c1e2d7f 100644
>--- a/Source/cmake/OptionsEfl.cmake
>+++ b/Source/cmake/OptionsEfl.cmake
>@@ -69,12 +69,6 @@ else ()
>     set(WebKit2_VERSION_SCRIPT "-Wl,--version-script,${CMAKE_MODULE_PATH}/eflsymbols.filter")
> endif ()
> 
>-if (WTF_CPU_X86_64)
>-    set(ENABLE_FTL_DEFAULT ON)
>-else ()
>-    set(ENABLE_FTL_DEFAULT OFF)
>-endif ()
>-
> WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_3D_TRANSFORMS PUBLIC ON)
> WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_ACCESSIBILITY PUBLIC ON)
> WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_ALLINONE_BUILD PUBLIC OFF)
>@@ -97,7 +91,7 @@ WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_DRAG_SUPPORT PUBLIC ON)
> WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_ENCRYPTED_MEDIA PUBLIC OFF)
> WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_ENCRYPTED_MEDIA_V2 PUBLIC ON)
> WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_FILTERS_LEVEL_2 PUBLIC OFF)
>-WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_FTL_JIT PUBLIC ${ENABLE_FTL_DEFAULT})
>+WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_FTL_JIT PUBLIC ${WTF_CPU_X86_64})
> WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_FULLSCREEN_API PUBLIC ON)
> WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_GAMEPAD PUBLIC OFF)
> WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_GAMEPAD_DEPRECATED PUBLIC ON)
>@@ -282,18 +276,8 @@ if (ENABLE_SPEECH_SYNTHESIS)
>     find_package(Espeak REQUIRED)
> endif ()
> 
>-if (ENABLE_FTL_JIT)
>-    if (WTF_CPU_X86_64)
>-        find_package(LLVM 3.6.0 REQUIRED)
>-    elseif (WTF_CPU_ARM64)
>-        find_package(LLVM REQUIRED)
>-        if (NOT "${LLVM_VERSION}" STREQUAL "3.5.0ftl")
>-            message(FATAL_ERROR "FTL JIT is only available on AArch64 architecture with patched LLVM 3.5.0, use Tools/Scripts/update-webkitefl-libs llvm-3.5-for-AArch64 to build it.")
>-        endif ()
>-    else ()
>-        message(FATAL_ERROR "FTL JIT is only available on X86_64 and AArch64 architectures.")
>-    endif ()
>-    SET_AND_EXPOSE_TO_BUILD(HAVE_LLVM TRUE)
>+if (ENABLE_FTL_JIT AND NOT WTF_CPU_X86_64 AND NOT DEVELOPER_MODE)
>+    message(FATAL_ERROR "FTL JIT is only available on X86_64 architecture.")
> endif ()
> 
> if (ENABLE_SUBTLE_CRYPTO)
>diff --git a/Source/cmake/OptionsGTK.cmake b/Source/cmake/OptionsGTK.cmake
>index fbd3c7fb5f57499c80b1320eaeb19fc45aba0f44..5d5497d6f25ea90df241fc728ced82d6ae50ff88 100644
>--- a/Source/cmake/OptionsGTK.cmake
>+++ b/Source/cmake/OptionsGTK.cmake
>@@ -66,12 +66,6 @@ if (NOT OPENGL_FOUND AND OPENGLES2_FOUND)
>     set(ENABLE_GLES2_DEFAULT ON)
> endif ()
> 
>-if (WTF_CPU_X86_64)
>-    set(ENABLE_FTL_DEFAULT ON)
>-else ()
>-    set(ENABLE_FTL_DEFAULT OFF)
>-endif ()
>-
> # Public options specific to the GTK+ port. Do not add any options here unless
> # there is a strong reason we should support changing the value of the option,
> # and the option is not relevant to any other WebKit ports.
>@@ -133,7 +127,6 @@ endif ()
> WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_ACCELERATED_2D_CANVAS PUBLIC OFF)
> WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_CREDENTIAL_STORAGE PUBLIC ON)
> WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_DRAG_SUPPORT PUBLIC ON)
>-WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_FTL_JIT PUBLIC ${ENABLE_FTL_DEFAULT})
> WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_GEOLOCATION PUBLIC ON)
> WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_ICONDATABASE PUBLIC ON)
> WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_JIT PUBLIC ON)
>@@ -153,6 +146,7 @@ WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_CSS_IMAGE_SET PRIVATE ON)
> WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_CSS_REGIONS PRIVATE ON)
> WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_CSS_SELECTORS_LEVEL4 PRIVATE ON)
> WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_DATABASE_PROCESS PRIVATE ON)
>+WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_FTL_JIT PRIVATE ${WTF_CPU_X86_64})
> WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_FTPDIR PRIVATE OFF)
> WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_FULLSCREEN_API PRIVATE ON)
> WEBKIT_OPTION_DEFAULT_PORT_VALUE(ENABLE_INDEXED_DATABASE PRIVATE ON)
>@@ -234,18 +228,6 @@ if (ENABLE_CREDENTIAL_STORAGE)
>     endif ()
> endif ()
> 
>-if (ENABLE_FTL_JIT)
>-    if (WTF_CPU_X86_64)
>-        find_package(LLVM 3.7)
>-        if (NOT LLVM_FOUND)
>-            message(FATAL_ERROR "LLVM 3.7 is required for ENABLE_FTL_JIT")
>-        endif ()
>-        SET_AND_EXPOSE_TO_BUILD(HAVE_LLVM TRUE)
>-    else ()
>-        message(FATAL_ERROR "FTL is only supported for X86_64")
>-    endif ()
>-endif ()
>-
> if (ENABLE_GAMEPAD_DEPRECATED)
>     find_package(GUdev)
>     if (NOT GUDEV_FOUND)
>diff --git a/ChangeLog b/ChangeLog
>index e93ada0864941de59c593d0030a9c3a8b1b8c778..2e05bb3965b1a319783a8cf9379b975d9f96855e 100644
>--- a/ChangeLog
>+++ b/ChangeLog
>@@ -1,3 +1,13 @@
>+2016-02-02  Michael Catanzaro  <mcatanzaro@igalia.com>
>+
>+        [GTK][EFL] Switch FTL to B3
>+        https://bugs.webkit.org/show_bug.cgi?id=153478
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * Source/cmake/OptionsEfl.cmake:
>+        * Source/cmake/OptionsGTK.cmake:
>+
> 2016-01-30  Yusuke Suzuki  <utatane.tea@gmail.com>
> 
>         Enable SamplingProfiler on POSIX environment

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Attachments on bug 153478: 270193 | 270333 | 270334 | 270337 | 270550 | 270560 | 270562 | 270579 | 270580