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Unified Diff: src/ia32/code-stubs-ia32.h

Issue 6826032: Remove code from the deprecated GenericBinaryOpStub. (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 9 years, 8 months ago
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Index: src/ia32/code-stubs-ia32.h
===================================================================
--- src/ia32/code-stubs-ia32.h (revision 7552)
+++ src/ia32/code-stubs-ia32.h (working copy)
@@ -72,161 +72,6 @@
};
-// Flag that indicates how to generate code for the stub GenericBinaryOpStub.
-enum GenericBinaryFlags {
- NO_GENERIC_BINARY_FLAGS = 0,
- NO_SMI_CODE_IN_STUB = 1 << 0 // Omit smi code in stub.
-};
-
-
-class GenericBinaryOpStub: public CodeStub {
- public:
- GenericBinaryOpStub(Token::Value op,
- OverwriteMode mode,
- GenericBinaryFlags flags,
- TypeInfo operands_type)
- : op_(op),
- mode_(mode),
- flags_(flags),
- args_in_registers_(false),
- args_reversed_(false),
- static_operands_type_(operands_type),
- runtime_operands_type_(BinaryOpIC::UNINIT_OR_SMI),
- name_(NULL) {
- if (static_operands_type_.IsSmi()) {
- mode_ = NO_OVERWRITE;
- }
- use_sse3_ = CpuFeatures::IsSupported(SSE3);
- ASSERT(OpBits::is_valid(Token::NUM_TOKENS));
- }
-
- GenericBinaryOpStub(int key, BinaryOpIC::TypeInfo runtime_operands_type)
- : op_(OpBits::decode(key)),
- mode_(ModeBits::decode(key)),
- flags_(FlagBits::decode(key)),
- args_in_registers_(ArgsInRegistersBits::decode(key)),
- args_reversed_(ArgsReversedBits::decode(key)),
- use_sse3_(SSE3Bits::decode(key)),
- static_operands_type_(TypeInfo::ExpandedRepresentation(
- StaticTypeInfoBits::decode(key))),
- runtime_operands_type_(runtime_operands_type),
- name_(NULL) {
- }
-
- // Generate code to call the stub with the supplied arguments. This will add
- // code at the call site to prepare arguments either in registers or on the
- // stack together with the actual call.
- void GenerateCall(MacroAssembler* masm, Register left, Register right);
- void GenerateCall(MacroAssembler* masm, Register left, Smi* right);
- void GenerateCall(MacroAssembler* masm, Smi* left, Register right);
-
- bool ArgsInRegistersSupported() {
- return op_ == Token::ADD || op_ == Token::SUB
- || op_ == Token::MUL || op_ == Token::DIV;
- }
-
- void SetArgsInRegisters() {
- ASSERT(ArgsInRegistersSupported());
- args_in_registers_ = true;
- }
-
- private:
- Token::Value op_;
- OverwriteMode mode_;
- GenericBinaryFlags flags_;
- bool args_in_registers_; // Arguments passed in registers not on the stack.
- bool args_reversed_; // Left and right argument are swapped.
- bool use_sse3_;
-
- // Number type information of operands, determined by code generator.
- TypeInfo static_operands_type_;
-
- // Operand type information determined at runtime.
- BinaryOpIC::TypeInfo runtime_operands_type_;
-
- char* name_;
-
- const char* GetName();
-
-#ifdef DEBUG
- void Print() {
- PrintF("GenericBinaryOpStub %d (op %s), "
- "(mode %d, flags %d, registers %d, reversed %d, type_info %s)\n",
- MinorKey(),
- Token::String(op_),
- static_cast<int>(mode_),
- static_cast<int>(flags_),
- static_cast<int>(args_in_registers_),
- static_cast<int>(args_reversed_),
- static_operands_type_.ToString());
- }
-#endif
-
- // Minor key encoding in 18 bits RRNNNFRASOOOOOOOMM.
- class ModeBits: public BitField<OverwriteMode, 0, 2> {};
- class OpBits: public BitField<Token::Value, 2, 7> {};
- class SSE3Bits: public BitField<bool, 9, 1> {};
- class ArgsInRegistersBits: public BitField<bool, 10, 1> {};
- class ArgsReversedBits: public BitField<bool, 11, 1> {};
- class FlagBits: public BitField<GenericBinaryFlags, 12, 1> {};
- class StaticTypeInfoBits: public BitField<int, 13, 3> {};
- class RuntimeTypeInfoBits: public BitField<BinaryOpIC::TypeInfo, 16, 3> {};
-
- Major MajorKey() { return GenericBinaryOp; }
- int MinorKey() {
- // Encode the parameters in a unique 18 bit value.
- return OpBits::encode(op_)
- | ModeBits::encode(mode_)
- | FlagBits::encode(flags_)
- | SSE3Bits::encode(use_sse3_)
- | ArgsInRegistersBits::encode(args_in_registers_)
- | ArgsReversedBits::encode(args_reversed_)
- | StaticTypeInfoBits::encode(
- static_operands_type_.ThreeBitRepresentation())
- | RuntimeTypeInfoBits::encode(runtime_operands_type_);
- }
-
- void Generate(MacroAssembler* masm);
- void GenerateSmiCode(MacroAssembler* masm, Label* slow);
- void GenerateLoadArguments(MacroAssembler* masm);
- void GenerateReturn(MacroAssembler* masm);
- void GenerateHeapResultAllocation(MacroAssembler* masm, Label* alloc_failure);
- void GenerateRegisterArgsPush(MacroAssembler* masm);
- void GenerateTypeTransition(MacroAssembler* masm);
-
- bool IsOperationCommutative() {
- return (op_ == Token::ADD) || (op_ == Token::MUL);
- }
-
- void SetArgsReversed() { args_reversed_ = true; }
- bool HasSmiCodeInStub() { return (flags_ & NO_SMI_CODE_IN_STUB) == 0; }
- bool HasArgsInRegisters() { return args_in_registers_; }
- bool HasArgsReversed() { return args_reversed_; }
-
- bool ShouldGenerateSmiCode() {
- return HasSmiCodeInStub() &&
- runtime_operands_type_ != BinaryOpIC::HEAP_NUMBERS &&
- runtime_operands_type_ != BinaryOpIC::STRINGS;
- }
-
- bool ShouldGenerateFPCode() {
- return runtime_operands_type_ != BinaryOpIC::STRINGS;
- }
-
- virtual int GetCodeKind() { return Code::BINARY_OP_IC; }
-
- virtual InlineCacheState GetICState() {
- return BinaryOpIC::ToState(runtime_operands_type_);
- }
-
- virtual void FinishCode(Code* code) {
- code->set_binary_op_type(runtime_operands_type_);
- }
-
- friend class CodeGenerator;
-};
-
-
class TypeRecordingBinaryOpStub: public CodeStub {
public:
TypeRecordingBinaryOpStub(Token::Value op, OverwriteMode mode)
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