Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 2ad9fbc5e2156137015305dd4c6c64e1a86c89de
https://github.com/WebKit/WebKit/commit/2ad9fbc5e2156137015305dd4c6c64e1a86c89de
Author: Yusuke Suzuki <ysuz...@apple.com>
Date: 2024-10-03 (Thu, 03 Oct 2024)
Changed paths:
M Source/JavaScriptCore/bytecode/BytecodeDumper.cpp
M Source/JavaScriptCore/bytecode/BytecodeGeneratorification.cpp
M Source/JavaScriptCore/bytecode/BytecodeList.rb
M Source/JavaScriptCore/bytecode/PreciseJumpTargetsInlines.h
M Source/JavaScriptCore/bytecode/UnlinkedCodeBlock.h
M Source/JavaScriptCore/bytecompiler/BytecodeGenerator.cpp
M Source/JavaScriptCore/dfg/DFGByteCodeParser.cpp
M Source/JavaScriptCore/jit/JIT.cpp
M Source/JavaScriptCore/jit/JITOpcodes.cpp
M Source/JavaScriptCore/llint/LLIntSlowPaths.cpp
M Source/JavaScriptCore/llint/LowLevelInterpreter32_64.asm
M Source/JavaScriptCore/llint/LowLevelInterpreter64.asm
M Source/JavaScriptCore/runtime/CachedTypes.cpp
Log Message:
-----------
[JSC] Add defaultOffset from bytecode to SwitchTables
https://bugs.webkit.org/show_bug.cgi?id=280849
rdar://137232875
Reviewed by Yijia Huang.
This patch moves Switch bytecodes' defaultOffset from bytecode to
SwitchTables to reduce bytecode size for them. We anyway need to access
to these tables, so putting defaultOffset into that is efficient for
sizes.
* Source/JavaScriptCore/bytecode/BytecodeDumper.cpp:
(JSC::CodeBlockBytecodeDumper<Block>::dumpSwitchJumpTables):
(JSC::CodeBlockBytecodeDumper<Block>::dumpStringSwitchJumpTables):
* Source/JavaScriptCore/bytecode/BytecodeGeneratorification.cpp:
(JSC::BytecodeGeneratorification::run):
* Source/JavaScriptCore/bytecode/BytecodeList.rb:
* Source/JavaScriptCore/bytecode/PreciseJumpTargetsInlines.h:
(JSC::extractStoredJumpTargetsForInstruction):
(JSC::updateStoredJumpTargetsForInstruction):
* Source/JavaScriptCore/bytecode/UnlinkedCodeBlock.h:
(JSC::UnlinkedStringJumpTable::offsetForValue const):
(JSC::UnlinkedStringJumpTable::defaultOffset const):
(JSC::UnlinkedSimpleJumpTable::offsetForValue const):
(JSC::UnlinkedSimpleJumpTable::defaultOffset const):
* Source/JavaScriptCore/bytecompiler/BytecodeGenerator.cpp:
(JSC::BytecodeGenerator::beginSwitch):
(JSC::prepareJumpTableForSwitch):
(JSC::prepareJumpTableForStringSwitch):
(JSC::BytecodeGenerator::endSwitch):
* Source/JavaScriptCore/dfg/DFGByteCodeParser.cpp:
(JSC::DFG::ByteCodeParser::parseBlock):
* Source/JavaScriptCore/jit/JIT.cpp:
(JSC::JIT::link):
* Source/JavaScriptCore/jit/JITOpcodes.cpp:
(JSC::JIT::emit_op_switch_imm):
(JSC::JIT::emit_op_switch_char):
(JSC::JIT::emit_op_switch_string):
* Source/JavaScriptCore/llint/LLIntSlowPaths.cpp:
(JSC::LLInt::LLINT_SLOW_PATH_DECL):
* Source/JavaScriptCore/llint/LowLevelInterpreter32_64.asm:
* Source/JavaScriptCore/llint/LowLevelInterpreter64.asm:
* Source/JavaScriptCore/runtime/CachedTypes.cpp:
(JSC::CachedSimpleJumpTable::encode):
(JSC::CachedSimpleJumpTable::decode const):
(JSC::CachedStringJumpTable::encode):
(JSC::CachedStringJumpTable::decode const):
Canonical link: https://commits.webkit.org/284647@main
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