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These rights are described in the Digia Qt LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #ifndef QV4BINOP_P_H #define QV4BINOP_P_H #include #include #include QT_BEGIN_NAMESPACE #if ENABLE(ASSEMBLER) namespace QV4 { namespace JIT { struct Binop { Binop(Assembler *assembler, IR::AluOp operation) : as(assembler) , op(operation) {} void generate(IR::Expr *lhs, IR::Expr *rhs, IR::Expr *target); void doubleBinop(IR::Expr *lhs, IR::Expr *rhs, IR::Expr *target); bool int32Binop(IR::Expr *leftSource, IR::Expr *rightSource, IR::Expr *target); Assembler::Jump genInlineBinop(IR::Expr *leftSource, IR::Expr *rightSource, IR::Expr *target); typedef Assembler::Jump (Binop::*MemRegOp)(Assembler::Address, Assembler::RegisterID); typedef Assembler::Jump (Binop::*ImmRegOp)(Assembler::TrustedImm32, Assembler::RegisterID); struct OpInfo { const char *name; QV4::Runtime::BinaryOperation fallbackImplementation; QV4::Runtime::BinaryOperationContext contextImplementation; MemRegOp inlineMemRegOp; ImmRegOp inlineImmRegOp; }; static const OpInfo operations[IR::LastAluOp + 1]; static const OpInfo &operation(IR::AluOp operation) { return operations[operation]; } Assembler::Jump inline_add32(Assembler::Address addr, Assembler::RegisterID reg) { #if HAVE(ALU_OPS_WITH_MEM_OPERAND) return as->branchAdd32(Assembler::Overflow, addr, reg); #else as->load32(addr, Assembler::ScratchRegister); return as->branchAdd32(Assembler::Overflow, Assembler::ScratchRegister, reg); #endif } Assembler::Jump inline_add32(Assembler::TrustedImm32 imm, Assembler::RegisterID reg) { return as->branchAdd32(Assembler::Overflow, imm, reg); } Assembler::Jump inline_sub32(Assembler::Address addr, Assembler::RegisterID reg) { #if HAVE(ALU_OPS_WITH_MEM_OPERAND) return as->branchSub32(Assembler::Overflow, addr, reg); #else as->load32(addr, Assembler::ScratchRegister); return as->branchSub32(Assembler::Overflow, Assembler::ScratchRegister, reg); #endif } Assembler::Jump inline_sub32(Assembler::TrustedImm32 imm, Assembler::RegisterID reg) { return as->branchSub32(Assembler::Overflow, imm, reg); } Assembler::Jump inline_mul32(Assembler::Address addr, Assembler::RegisterID reg) { #if HAVE(ALU_OPS_WITH_MEM_OPERAND) return as->branchMul32(Assembler::Overflow, addr, reg); #else as->load32(addr, Assembler::ScratchRegister); return as->branchMul32(Assembler::Overflow, Assembler::ScratchRegister, reg); #endif } Assembler::Jump inline_mul32(Assembler::TrustedImm32 imm, Assembler::RegisterID reg) { return as->branchMul32(Assembler::Overflow, imm, reg, reg); } Assembler::Jump inline_shl32(Assembler::Address addr, Assembler::RegisterID reg) { as->load32(addr, Assembler::ScratchRegister); as->and32(Assembler::TrustedImm32(0x1f), Assembler::ScratchRegister); as->lshift32(Assembler::ScratchRegister, reg); return Assembler::Jump(); } Assembler::Jump inline_shl32(Assembler::TrustedImm32 imm, Assembler::RegisterID reg) { imm.m_value &= 0x1f; as->lshift32(imm, reg); return Assembler::Jump(); } Assembler::Jump inline_shr32(Assembler::Address addr, Assembler::RegisterID reg) { as->load32(addr, Assembler::ScratchRegister); as->and32(Assembler::TrustedImm32(0x1f), Assembler::ScratchRegister); as->rshift32(Assembler::ScratchRegister, reg); return Assembler::Jump(); } Assembler::Jump inline_shr32(Assembler::TrustedImm32 imm, Assembler::RegisterID reg) { imm.m_value &= 0x1f; as->rshift32(imm, reg); return Assembler::Jump(); } Assembler::Jump inline_ushr32(Assembler::Address addr, Assembler::RegisterID reg) { as->load32(addr, Assembler::ScratchRegister); as->and32(Assembler::TrustedImm32(0x1f), Assembler::ScratchRegister); as->urshift32(Assembler::ScratchRegister, reg); return as->branchTest32(Assembler::Signed, reg, reg); } Assembler::Jump inline_ushr32(Assembler::TrustedImm32 imm, Assembler::RegisterID reg) { imm.m_value &= 0x1f; as->urshift32(imm, reg); return as->branchTest32(Assembler::Signed, reg, reg); } Assembler::Jump inline_and32(Assembler::Address addr, Assembler::RegisterID reg) { #if HAVE(ALU_OPS_WITH_MEM_OPERAND) as->and32(addr, reg); #else as->load32(addr, Assembler::ScratchRegister); as->and32(Assembler::ScratchRegister, reg); #endif return Assembler::Jump(); } Assembler::Jump inline_and32(Assembler::TrustedImm32 imm, Assembler::RegisterID reg) { as->and32(imm, reg); return Assembler::Jump(); } Assembler::Jump inline_or32(Assembler::Address addr, Assembler::RegisterID reg) { #if HAVE(ALU_OPS_WITH_MEM_OPERAND) as->or32(addr, reg); #else as->load32(addr, Assembler::ScratchRegister); as->or32(Assembler::ScratchRegister, reg); #endif return Assembler::Jump(); } Assembler::Jump inline_or32(Assembler::TrustedImm32 imm, Assembler::RegisterID reg) { as->or32(imm, reg); return Assembler::Jump(); } Assembler::Jump inline_xor32(Assembler::Address addr, Assembler::RegisterID reg) { #if HAVE(ALU_OPS_WITH_MEM_OPERAND) as->xor32(addr, reg); #else as->load32(addr, Assembler::ScratchRegister); as->xor32(Assembler::ScratchRegister, reg); #endif return Assembler::Jump(); } Assembler::Jump inline_xor32(Assembler::TrustedImm32 imm, Assembler::RegisterID reg) { as->xor32(imm, reg); return Assembler::Jump(); } Assembler *as; IR::AluOp op; }; } } #endif QT_END_NAMESPACE #endif