Implement support for op_negate and op_bitnot in the DFG JIT
https://bugs.webkit.org/show_bug.cgi?id=79617
Reviewed by Sam Weinig.
Remove op_bitnop - this is redundant, ~x === x^-1.
This is a fractional (<1%) progression.
Remove not32(X) from the MacroAssemblers - make this an optimization to add32(-1, X).
Remove CanReuse from the result type - this was unused.
Remove op_bitnot.
* assembler/MacroAssemblerARM.h:
(MacroAssemblerARM):
(JSC::MacroAssemblerARM::xor32):
* assembler/MacroAssemblerARMv7.h:
(MacroAssemblerARMv7):
(JSC::MacroAssemblerARMv7::xor32):
* assembler/MacroAssemblerMIPS.h:
(MacroAssemblerMIPS):
(JSC::MacroAssemblerMIPS::xor32):
* assembler/MacroAssemblerSH4.h:
(MacroAssemblerSH4):
(JSC::MacroAssemblerSH4::xor32):
* assembler/MacroAssemblerX86Common.h:
(MacroAssemblerX86Common):
(JSC::MacroAssemblerX86Common::xor32):
* bytecode/CodeBlock.cpp:
(JSC::CodeBlock::dump):
* bytecode/Opcode.h:
(JSC):
(JSC::padOpcodeName):
* bytecompiler/NodesCodegen.cpp:
(JSC):
(JSC::BitwiseNotNode::emitBytecode):
* interpreter/Interpreter.cpp:
(JSC::Interpreter::privateExecute):
* jit/JIT.cpp:
(JSC::JIT::privateCompileMainPass):
(JSC::JIT::privateCompileSlowCases):
* jit/JIT.h:
(JIT):
* jit/JITArithmetic32_64.cpp:
(JSC):
* jit/JITOpcodes.cpp:
(JSC):
* jit/JITStubs.cpp:
(JSC):
* jit/JITStubs.h:
* llint/LLIntSlowPaths.cpp:
(LLInt):
* llint/LLIntSlowPaths.h:
(LLInt):
* llint/LowLevelInterpreter32_64.asm:
* parser/NodeConstructors.h:
(JSC::NegateNode::NegateNode):
(JSC::BitwiseNotNode::BitwiseNotNode):
(JSC::MultNode::MultNode):
(JSC::DivNode::DivNode):
(JSC::ModNode::ModNode):
(JSC::SubNode::SubNode):
(JSC::UnsignedRightShiftNode::UnsignedRightShiftNode):
* parser/Nodes.h:
(BitwiseNotNode):
(JSC::BitwiseNotNode::expr):
(JSC):
* parser/ResultType.h:
(ResultType):
(JSC::ResultType::numberTypeIsInt32):
(JSC::ResultType::stringOrNumberType):
(JSC::ResultType::forAdd):
(JSC::ResultType::forBitOp):
git-svn-id: http://svn.webkit.org/repository/webkit/trunk@109007 268f45cc-cd09-0410-ab3c-d52691b4dbfc
diff --git a/Source/JavaScriptCore/bytecompiler/NodesCodegen.cpp b/Source/JavaScriptCore/bytecompiler/NodesCodegen.cpp
index 2d41819..73c2caa 100644
--- a/Source/JavaScriptCore/bytecompiler/NodesCodegen.cpp
+++ b/Source/JavaScriptCore/bytecompiler/NodesCodegen.cpp
@@ -871,7 +871,15 @@
return generator.emitUnaryOp(opcodeID(), generator.finalDestination(dst), src);
}
-
+// ------------------------------ BitwiseNotNode -----------------------------------
+
+RegisterID* BitwiseNotNode::emitBytecode(BytecodeGenerator& generator, RegisterID* dst)
+{
+ RefPtr<RegisterID> src2 = generator.emitLoad(generator.newTemporary(), jsNumber(-1));
+ RegisterID* src1 = generator.emitNode(m_expr);
+ return generator.emitBinaryOp(op_bitxor, generator.finalDestination(dst, src1), src1, src2.get(), OperandTypes(m_expr->resultDescriptor(), ResultType::numberTypeIsInt32()));
+}
+
// ------------------------------ LogicalNotNode -----------------------------------
void LogicalNotNode::emitBytecodeInConditionContext(BytecodeGenerator& generator, Label* trueTarget, Label* falseTarget, bool fallThroughMeansTrue)
