v8::internal::TestAndBranch Class Reference

Inheritance diagram for v8::internal::TestAndBranch:

Collaboration diagram for v8::internal::TestAndBranch:

Public Member Functions
	TestAndBranch (LCodeGen *codegen, Condition cond, const Register &value, uint64_t mask)
virtual void	Emit (Label *label) const
virtual void	EmitInverted (Label *label) const

Private Attributes
Condition	cond_
const Register &	value_
uint64_t	mask_

Detailed Description

Definition at line 106 of file lithium-codegen-arm64.cc.

Constructor & Destructor Documentation

TestAndBranch()

v8::internal::TestAndBranch::TestAndBranch ( LCodeGen *  codegen, Condition  cond, const Register &  value, uint64_t  mask  )

inline

Definition at line 108 of file lithium-codegen-arm64.cc.

    : BranchGenerator(codegen),
      cond_(cond),
      value_(value),
      mask_(mask) { }

Member Function Documentation

Emit()

virtual void v8::internal::TestAndBranch::Emit ( Label *  label ) const

inlinevirtual

Definition at line 117 of file lithium-codegen-arm64.cc.

                                        {
    switch (cond_) {
      case eq:
        __ TestAndBranchIfAllClear(value_, mask_, label);
        break;
      case ne:
        __ TestAndBranchIfAnySet(value_, mask_, label);
        break;
      default:
        __ Tst(value_, mask_);
        __ B(cond_, label);
    }
  }

References __, v8::internal::B, cond_, v8::internal::eq, mask_, v8::internal::ne, and value_.

EmitInverted()

virtual void v8::internal::TestAndBranch::EmitInverted ( Label *  label ) const

inlinevirtual

Definition at line 131 of file lithium-codegen-arm64.cc.

                                                {
    // The inverse of "all clear" is "any set" and vice versa.
    switch (cond_) {
      case eq:
        __ TestAndBranchIfAnySet(value_, mask_, label);
        break;
      case ne:
        __ TestAndBranchIfAllClear(value_, mask_, label);
        break;
      default:
        __ Tst(value_, mask_);
        __ B(NegateCondition(cond_), label);
    }
  }

References __, v8::internal::B, cond_, v8::internal::eq, mask_, v8::internal::ne, v8::internal::NegateCondition(), and value_.

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Member Data Documentation

cond_

Condition v8::internal::TestAndBranch::cond_

private

Definition at line 147 of file lithium-codegen-arm64.cc.

Referenced by Emit(), and EmitInverted().

mask_

uint64_t v8::internal::TestAndBranch::mask_

private

Definition at line 149 of file lithium-codegen-arm64.cc.

Referenced by Emit(), and EmitInverted().

value_

const Register& v8::internal::TestAndBranch::value_

private

Definition at line 148 of file lithium-codegen-arm64.cc.

Referenced by Emit(), and EmitInverted().

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The documentation for this class was generated from the following file:

• /mnt/V8SourceCode/src/arm64/lithium-codegen-arm64.cc